Circuit arrangements not adapted to a particular application (H05B33/08)

H   Electricity(226540)
H05B33        Electroluminescent light sources(330)
H05B33/08                     Circuit arrangements not adapted to a particular application(120)

Detection of functioning variable intensity control presence // 2642514
FIELD: lighting.SUBSTANCE: detection circuits (1, 2) for detecting the presence of functioning variable intensity controls, made with possibility of luminous intensity adjustment of lamps (14), comprise the first circuits (1) to measure the impedances in the joints (12) designed to transmit possibly regulated feeding signals for the lamps (14). The first circuits (1) provide the first output signals that determine the measured impedances, which contain impedances at frequencies exceeding the power-line frequencies. The detection circuits (1, 2) additionally comprise second circuits (2) for analyzing the first output signals. The second circuits (2) provide the second output signals determining whether functioning variable intensity controls are present. Impedance can be measured several times during the time interval. The change in the measured impedance of specific minimal deviation or more within a time interval may indicate the presence of the functioning variable intensity control. The second circuits (2) may comprise filters (21), averaging circuits (22), threshold circuits (23), comparators (24), and controllers (25).EFFECT: increased reliability of detecting the presence of functioning variable intensity controls designed to adjust the lamp's luminous intensity.15 cl, 8 dwg

Led exiter with modulator of lighting controlled signal with compensation of exposure of external temperature // 2642438
FIELD: lighting.SUBSTANCE: invention relates to exiters of light-emitting diodes and, in particular, is aimed at superimposing a signal for adding a property to an existing LED exiter. The device (200) is able to superimpose the overlay signal (digital or analogue) to the control signal (164) of the LED exiter (100), depending on the external control information (256). The control signal (164) is provided for LED exiter (100) at the input (105) of control signal. By superimposing the overlay signal, the device (200) modulates control signal (164) and provides a modulated control signal (164) for the same control signal input (105).EFFECT: expansion of LED exiter functionality.14 cl, 12 dwg

ethods and device for compensation of removing leds from led matrix // 2640818
FIELD: lighting.SUBSTANCE: compensating unit may be connected to the free grid segments of the grid which are created by excision and the compensating unit may be configured to vary the current supplied to the remaining LEDs from the LED grid. In some embodiments, compensating unit is provided which is and/or can be configured to reduce the current applied to one or more LEDs from the LED-based lighting device.EFFECT: ensuring compensation of electrical changes resulting from cutting out a grid portion of a plurality of LEDs.15 cl, 13 dwg

Led lamp with brightness adjustment, initiated by demand for power // 2640576
FIELD: lighting.SUBSTANCE: LED lamp with brightness adjustment from the power demand side, operating on the DC power supply, which feeds the lighting subsystem. The dimmer unit selects the power consumption level of the lighting system. This choice alters the efficiency of the lighting subsystem in such a way that a reduction in power consumption actually leads to an increase in efficiency. The choice can be, for example, in the choice of a particular passive scheme, including the LEDs, inside the lighting subsystem.EFFECT: each passive scheme can have different volt-ampere characteristics, which leads to different L-P-characteristics, due to which there is improved efficiency at lower powers.16 cl, 5 dwg

Halogen modification of lighting device based on led (light-emitting diodes) using electronic transformer and controller // 2639322
FIELD: lighting.SUBSTANCE: control circuits (1) lead the power converters (4) to different modes in response to the detection results. Power converters (4) exchange possible straightened first current/voltage signals with electronic halogen transformers (2) and the second current/voltage signals on the circuit of light-emitting diodes (5). The first current signals have different amplitudes for different modes. Different amplitudes have different constant values and/or different values of the derivatives. As a result, the first current signal becomes a relatively volatile first current signal. Then the halogen transformers (2) will no longer experience the problems that arise when it is necessary to provide smaller amounts of power than designed. The detection may comprise detecting polarity and/or detecting transitions through zero in the first voltage signals. Halogen transformers (2) contain power supplies with self-oscillating switchable mode, designed to provide the first quantities of power at their outputs. The circuits of the light-emitting diodes (5) are designed to consume second power amounts less than the first quantities.EFFECT: improve the operation of the device.19 cl, 12 dwg

Circuit device and led lamp, containing this circuit device // 2638958
FIELD: lighting.SUBSTANCE: circuit device comprises the sequentially arranged input device (6), four-pole power generation circuit (7), and lamp driver unit (8). The power generation circuit (7) comprises at least the voltage divider (13) and the damping circuit (14). Whereas the voltage divider circuit (13) allows the AC current to flow to set the total current, selected during the operation from the power source to the predetermined minimum load current, the damping circuit (14) serves to attenuate the high frequency oscillations in the mentioned operating voltage. To improve the compatibility of the dimmer and to provide the economically efficient circuit unit at the same time, the first and the second feedback circuits (18, 25) are implemented to control the voltage divider circuit (13) and the lamp driver unit (8) in accordance with dual control.EFFECT: possibility to provide the power to at least one low-power lighting device with the operating voltage with the phase cut-off so, that the mentioned lighting device can operate with different types of power sources, while maintaining the high quality of the output light.15 cl, 6 dwg

Led-module system with led-module // 2637308
FIELD: lighting.SUBSTANCE: LED-module system with a LED-module (1, 2, 3) with at least one built-in LED-unit (5, 6, 7), which is connected to at least one built-in light regulator (9, 10, 11) which is configured to be controlled by a built-in control device (17), depending on the signals (D) of the built-in sensor (20) of twilight and signals (N1) of the built-in switching input (18), wherein the external on/off switch or a movement sensor (22) is connected to the switching input (18). The LED-module (1, 2, 3) is configured to operate in at least three different modes, namely: "off mode", "touch mode" and "lighting mode". The "lighting mode" can be activated with maximum brightness by means of the external on/off switch signal (N1) or the movement sensor (22), wherein the "touch mode" can be automatically activated with a brightness decreasing in a predetermined manner by the twilight sensor (20) signal (D).EFFECT: providing the user with the possibility to individually customize the blending of colours.4 dwg

Circuitry // 2637307
FIELD: lighting.SUBSTANCE: circuitry (1) comprises at least one input (6) for receiving an operating voltage with phase cut off from the power-supply source and/or an output (7) for connecting at least one lighting device and pulse injector circuits for determining a cut off operation in the phase of the over-supply source and the supply of a current pulse from the power-supply source within delay time of 200 to 700 μs after the phase cut off operation to ensure stable operation of the LED-unit with the power-supply source with phase cut off. The detection circuit (50) includes at least one input (6) for receiving an operating voltage with phase cut off from the power-supply source and a lamp compatibility detector (52) dedicated to detect the presence of a parallel-connected lamp, connected in parallel with the detection circuit (50, 70) to the power-supply source during its usage, and to provide a compatibility signal to the LED control circuit corresponding to the determination of the parallel-connected lamp in order to establish the control circuit between the normal operating mode and the compatibility mode depending on the presence of the parallel-connected lamp.EFFECT: significant reduction in visible flicker of light at the output of the lighting device.16 cl, 15 dwg, 1 tbl

Led lighting system // 2636582
FIELD: lighting.SUBSTANCE: power supply circuit is equipped with input terminals (K1, K2) to communicate with the power supply source and the first and second output terminals (K3, K4) and the driving circuit (I, II) connected between the input terminals and the first and second output terminals to generate the LED current. The drive circuit (I, II) comprises an excitation control circuit (II) equipped with an input terminal (K7) to increase or decrease the LED current, depending on the presence of a signal at the input terminal of the excitation control circuit. One or more LED modules comprise the first and second input terminals (K5, K6) to communicate with the first and second output terminals of the power supply circuit respectively, serial arrangement (LS) of the LED load, and the current sensing unit (R1) connected between the input terminals, a control circuit of the module for current control signal generation at the output terminal of the module control circuit which is connected to the current sensing unit and to a reference signal generator (R3, R4, R5, Z1) to generate a reference signal representing the desired LED current value. The current control signal has the first value, if the desired LED current is lower than the measured value of the LED current, and the second value, if the desired LED current is higher than the measured value of the LED current and the circuit (D1; Sg, DC, C1, C2) connected during operation between the output terminal of the module control circuit and the input terminal of the drive control circuit for transmission of the first value of the current control signal to the input terminal of the drive control circuit and for blocking of the second value, wherein the signal at input terminal of the drive control circuit has a default value when all current control signals have their second value.EFFECT: simplified light-diodes lighting system.13 cl, 7 dwg

Driver device and management method for controlling load, in particular light head including controlling input current to supply preliminary conditions // 2636056
FIELD: electricity.SUBSTANCE: driver (10) for controlling the load (14), in particular a light head (14) having one or more light emitters, comprises input terminals for receiving an input voltage (V10) from an external power source (12), output terminals for supplying power (16) connected to the input terminals and to the output terminals, the driver stage (16) being adapted to control the input current (I1) outputted from the external power source (12), and For power regulation, n (24) for measuring at least one electric parameter (V10, V12, I2, V20) of the driving stage (16) and for determining the input voltage deviation from the predetermined power supply conditions on the basis of (16) is adapted to regulate the input current (I1) according to predetermined conditions if the deviation from the input voltage is lower than the threshold value (V10, V12, I2, V20) Level of (63), and for providing the input current deviation (I1) of predetermined conditions if the deviation of the input voltage exceeds the threshold level (63).EFFECT: ensuring compatibility with the requirements for harmonics of the main network and the ability to cope with power failure on the main curcuit while ensuring a continuous stable power supply of the load.15 cl, 4 dwg

Light-emitting module, lamp, illuminator and method of object lighting // 2634699
FIELD: lighting.SUBSTANCE: light emitting module (100), a lamp and a lamp are offered. The light-emitting module is designed to illuminate the object and comprises a first light-emitting module (102) and a second light-emitting module (104). The first light-emitting module emits the first light (L1). The first light has a white colour point. The second light-emitting element emits a peak of blue light (L2). This peak of blue light has a peak wavelength in the range of 440 to 470 nm and has a spectral width that is less than 70 nm, and the spectral width is expressed as the value of the full width at half-maximum.EFFECT: converts the visual characteristics of the illuminated object.15 cl, 6 dwg

Led alarm adjustment method to work in day and night mode and led alarm // 2634643
FIELD: electricity.SUBSTANCE: invention relates to adjustment method of the LED alarm (1) connected to the actuating unit to work in day and night mode. The input current (Isg) and the input voltage (Usg) are changed by the LED alarm (1) and on the LED alarm (1) respectively at least once and, based on the difference in values of the input current and the input voltage, the effective additional resistance of the LED alarm (1) is determined. The initial voltage (Ug) is calculated based on the effective additional resistance and the difference in values of the input current and the input voltage. An output signal (Ua) that determines the day or night mode of operation is generated depending on the value of the initial voltage (Ug). The invention also relates to a LED alarm (1).EFFECT: reduction of energy costs.6 cl, 1 dwg

Integral led emitter // 2634302
FIELD: lighting.SUBSTANCE: integral LED emitter comprises a housing with electrical terminals for connection to a power source, and a light emitting module and a key management controller located in the housing and connected to the electrical terminals via a rectifier, the light emitting module is a section of an electrical circuit of N LED elements connected in series, each comprising a LED unit with a certain number of LEDs connected in series inside the unit and key connected in parallel with LED unit, the controller has N+2 terminals, wherein it is connected with electrical terminals on the housing by two terminals, and each of the other N terminals is connected to the key of corresponding LED element. In this case, the LED unit of any LED element can contain at least two parallel connected sections of the electrical circuit, each is of the same number of series-connected LEDs.EFFECT: possibility of operating LED emitter with a high efficiency of emition directly from AC sources without the use of current stabiliser.2 cl, 1 dwg

Layer packet containing luminescent material, lamp, illuminator and method of manufacture of layer package // 2633765
FIELD: lighting.SUBSTANCE: layer stack (100) comprises a first outer layer (102), a second outer layer (106), and a fluorescent layer (104). The first outer layer (102) and the second outer layer (106) are a polymeric material transmitting light, with an oxygen transmission rate below 30 cm3/(m2⋅day), measured at standard temperature and pressure (STP). The luminescent layer (104) is disposed between the first outer layer (102) and the second outer layer (106) and comprises a matrix light transmitting polymer and a luminescent material (108) adapted to absorb light in accordance with the absorption and conversion spectrum of a portion of the absorbed light into the light spectrum of light radiation.EFFECT: increase the longevity of the light source with organic luminescent materials.13 cl, 8 dwg

Device for controlling led indicators used for aircraft panel illumination // 2633531
FIELD: lighting.SUBSTANCE: device contains an analog adder, the output of which is connected to the PWM input of the controller, the PWM output of the controller is connected to the PWM amplifier, which consists of an electronic switch on the field effect transistor for supplying the LED node from below and a current stabiliser for supplying the LED node from above; wherein the current stabiliser consists of a current controller controlled by a photosensor which, as control feedback on the brightness of the luminescence of one of the node LEDs, controls the amount of current passing through the LEDs to maintain the required level of LED luminescence, wherein the external control input is connected to the analog adder.EFFECT: providing and maintaining the lighting characteristics of the LEDs at a selected brightness level in the range from 0 to 100 percent and changing linearly, in proportion to the magnitude of the control input voltage, ensuring a stable current through the LEDs regardless of the ambient temperature and the duration of the LED crystal operating time.1 dwg

Protection means for lighting device security // 2633261
FIELD: electricity.SUBSTANCE: electrical parameter is measured by exciting the illuminator with specific excitation settings and comparing it with the estimated expected value of the electrical parameter such that in case of a detected system failure, an alert or tripping signal may be provided.EFFECT: ensuring the lighting device safety.13 cl, 6 dwg

Self-regulating lighting exciter for exciting light sources and lighting unit including self-regulating lighting exciter // 2632186
FIELD: lighting.SUBSTANCE: lighting unit includes LED (LED) modules and a lighting exciter connected to the LED modules. Each LED module includes an LED and an identification current source supplying the identification current to the output node of the identification current. All the identification current output nodes are connected to each other to supply a total identification current having a value that varies according to the number of LED modules that are connected to the lighting exciter. The lighting exciter includes a controllable current source for supplying the exciting current of the LEDs to the LED modules and a controller that responds to the total identification current to control the controllable current source to supply the exciting current of the LED with a value that varies according to the number of LED modules, which are connected to the lighting exciter.EFFECT: ability to automatically control the value of the exciting current of the LEDs, that it supplies, in accordance with the requirements of the LEDs, that it excites.15 cl, 10 dwg

Drive circuit between fluorescent ballast and led // 2632183
FIELD: electricity.SUBSTANCE: drive circuits (1) for driving loads (2) containing light-emitting diodes are equipped with rectifiers (11-14) to exchange the first current signals with fluorescent ballasts (3) with active electronic ballasts and to apply the second current signals to loads (2), with switching circuits (21-27) connecting to rectifiers (11-14) or forming the part to control the energy values provided to the loads (2) and with controllers (31) to control the switching circuits (21) in such a way that switching frequencies of the switching circuits (21) are equal or are less than doubled frequencies of the first current signals. Desynchronization circuits coordinate the output impedances of fluorescent ballasts (3) and the input impedances of the rectifiers (11-14). Start-up circuits (5) increase impedances at the input contacts of the rectifiers (11-14) upon start-up. Current sensors and voltage sensors provide feedback. Controllers (31) synchronize switching frequencies of switching circuits (21) and switching frequencies of active electronic ballasts. Detectors reveal a zero crossing in the first current signals.EFFECT: reduced energy losses and reduced disturbance.15 cl, 16 dwg

Lighting device with sensor light-emitting surface // 2631334
FIELD: lighting.SUBSTANCE: methods and device, related to a lighting device based on light-emitting diodes (LED), are disclosed. The lighting device has a touch-sensitive light-emitting surface that a user can touch to change the light output characteristics of the LED of the lighting device. The LED-based lighting device includes a flexible touch-sensitive layer and a flexible light-emitting layer having a plurality of individually controlled LED groups. Touch events can be detected by an input signal from the flexible touch-sensitive layer, and, at least, one light output characteristic of the LED groups changes in accordance with touch events.EFFECT: simplified control of light output characteristics.19 cl, 6 dwg

Driver diagram of light-emitting diodes // 2628528
FIELD: lighting.SUBSTANCE: LED driver circuit comprises at least one (10) LED chain (12) connected in series and a power source for converting the AC mains voltage to an output voltage (Uout) applied to said at least one LED chain (10). The power supply includes a single-stage up converter (14, 16) configured to directly convert the AC mains voltage to an output voltage (Uout). The boost converter (16) is a multi-level converter having a key (S1-S4) And a capacitor (C1-C4), respectively associated with each level, the capacitors of different levels being connected in series, and the corresponding (10) LED chain (12) is connected in parallel to each of the capacitors. The converter includes an inductor and further comprises a controller (Q) configured to actuate the keys (S1-S4) in a critical intermittent mode, in which the current flowing through the inductor (L; L1-L4), can fall to zero only in the established period.EFFECT: increasing the efficiency of the converter.9 cl 7 dwg

ethods and devices for reading the light output and controlling the light output // 2628406
FIELD: lighting.SUBSTANCE: method of directing light to a photosensitive surface comprises the steps of: associating the first sensor of a photosensitive surface with at least one of a plurality of light-emitting diodes; associating a second sensor of said photosensitive surface with at least one of said plurality of light-shaping LEDs; tracking the light intensity of the first sensor for said first sensor and the light intensity of the second sensor for said second sensor; detecting the locked state of the first sensor in said first sensor when said light intensity of the first sensor is below a threshold level for the first sensor; forming a first light output from at least one of said light-shaping LEDs associated with said first sensor when said first sensor is located in the said locked state of the first sensor; detecting the locked state of the second sensor in the said second sensor, when said light intensity of the second sensor is below the threshold level for the second sensor; and forming a second light output from at least one of said light-shaping LEDs associated with said second sensor when said second sensor is located in the said locked state of the second sensor.EFFECT: simplification of lighting control.14 cl, 18 dwg

Lamp device and method for lamp device operation // 2628102
FIELD: lighting.SUBSTANCE: according to one version, a lamp device (1) is provided which has a lighting module (3) and two pairs of external connecting pins (5aa, 5ab, 5ba, 5bb) to connect the lamp device to the lighting fixture supply voltage. The first clamp of the lighting module is connected to the pin of the first pair of pins by a switch which is closed in response to the voltage difference between the pins of the first pair and the pins of the second pair exceeding the corresponding threshold voltage.EFFECT: increased safety of use.15 cl, 6 dwg

Individually controlled matrix of the radiation elements // 2627729
FIELD: physics.SUBSTANCE: method is carried out by the consecutive connection of radiating elements (for example, laser-diode pixels). In such a pixelated pathogen components and difficulty in calculating per pixel are reduced by concatenating the widest possible number of radiating elements, feeding managed agent chain, shunting pixels that should be in the off position, the switch that is connected in parallel to the radiant element of the binary information stored locally on/off for each pixel, the establishment of buffer power for switches and control the transfer of information in the buffer storage, and switches.EFFECT: providing a method and apparatus for controlling the VCSEL matrix or a matrix of radiating elements of other types, through which a matrix with a high power density or high speed is provided.14 cl, 6 dwg

Adaptation scheme for led connecting to ballast // 2625333
FIELD: lighting.SUBSTANCE: adaptation circuits (1) contain the conversion circuits (2) for converting voltage and current input signals, coming from the ballast circuit (8) into voltage and current output signals, intended for the light circuit. The conversion circuits (2) reduce the amplitudes of the voltage input signals up to the values below the predetermined values during the predetermined time intervals, after the electric power from the ballast circuits (8) is transferred to the conversion circuits (2). These time intervals are synchronized with the voltage input signals periods. Between the first discharge states for the power discharge and the second release states for the power release, the third states are introduced, such as holding states for power holding. These third states allow to the corresponding quantities, which test on itself the ballast circuits 8, to remain comparable to the situation, when gas-discharge lamps were powered.EFFECT: possibility to replace the gas-discharge lamps with the light circuits with light-emitting diodes, while keeping the ballast circuits, intended for connection to gas-discharge lamps.15 cl, 7 dwg

ethod and device for excitting the chain of leds // 2625332
FIELD: physics.SUBSTANCE: invention relates to a method and apparatus for driving a chain of LEDs from a first LED segment (11) and at least one additional LED segment (12, 13, 14) connected in series. Each LED segment has at least one light emitting diode (LED). A chain of light-emitting diodes is fed with the rectified voltage of a feeding network of an alternating current. The first LED segment (11) is powered when the rectified AC supply voltage is above the first voltage level, and the first LED segment and the additional LED segment are energized when the rectified AC supply voltage is higher than the second voltage level higher than the first voltage level. The first LED segment emits light having a first colour temperature and an additional LED segment emits light having a second colour temperature higher than the first colour temperature. The light emitted by the first LED segment and the light emitted by the additional LED segment overlap, with the first LED segment emitting red, orange, yellow or amber light, and the additional LED segment emits white light.EFFECT: automatic achievement of the visual effect of dimming with a warm colour as in an incandescent lamp, when the brightness of the light source decreases and the colour of the light becomes warm.7 cl, 9 dwg, 1 tbl

odernized leds (light-emitting diodes) exciter circuit and method of its operation // 2624250
FIELD: lighting.SUBSTANCE: LED exciter circuit (3) comprises at least an input section (6) to receive operating voltage from the power supply (2), an output section (8) to connect to at least one LED unit (5), a power converter (7) connected to the said input section (6) and the said output section (8) and configured to provide a lamp current (50) in the output section (8) while operating in at least first and second operating states. In order to provide an operationally flexible circuit (3) capable of operating with a plurality of different power supplies and in different load modes, in the first operating state, the power converter (7) is configured to switch between the high current generation mode (40) in which the power converter (7) is configured to select current pulses from the said power supply (2) to provide the first average input current (33a) and an off state (42) in which no current is selected from the said power supply (2). In the second operating state, the power converter (7) is at least configured to operate in a low current generation mode (41), wherein the power converter (7) is configured to select current from the power supply (2) to provide the second average input current (33b), which is lower than the first average input current (33a).EFFECT: increased efficiency in a variety of operation modes.14 cl, 8 dwg

Led lighting system // 2623497
FIELD: lighting.SUBSTANCE: power supply circuit, which is designed to supply the LED current, is equipped with input terminals (K1 and K2), which are intended for connection to a supply voltage source and output terminals (K3 and K4), a modulation scheme (MS, DC2), connected between the output terminals, which is designed to alternately maintain the voltage between the output terminals at a high level during the first time interval and at a low level during the second time interval, a current sensor (R1, R2, S1), which is designed to read current flowing through the output terminals during the second time interval, a defining circuit (DC1, DC2), connected between the input terminals and the output terminals, and connected to a current sensor which is designed to generate LED current from the supply voltage supplied by the power source, where the LED current is equivalent to the current read by the current sensor multiplied by a predetermined constant factor, and is also intended to supply LED current to the output contacts during each first time interval. The LED lighting system further comprises a LED module including LED module input terminals (K5, K6), which are intended for connection to the output terminals of the power supply circuit, LED element load (LS) connected between the input terminals of the LED module with direct voltage exceeding the voltage between the output terminals of the power supply circuit during each second time interval, and a current source (CS), connected between the LED module input terminals, which is designed, in the case of LED module input contacts connection to the power supply source output contacts to generate sensor current during each second time interval, to flow through the current sensor, which is equivalent to the required LED current divided by the predetermined constant factor.EFFECT: simplified circuit and reduced number of wiring connections in the LED lighting system.5 cl, 4 dwg

odified led lamp with bypass capacitors, parallel rectifying diodes for using with ballast // 2623093
FIELD: lighting.SUBSTANCE: lamp includes the LED load (LS), containing a series connection of the LEDs, the first circuit of the lamp end, containing the first lamp contact (LP1) and the second lamp contact (LP2) for connecting to the first terminal of the lamp contact, including in the high frequency ballast of the fluorescent lamp, the first rectifier (D1-D4; D1, D2), equipped with at least one input terminal, connected to the second lamp contact and also to the first and the second output terminals connected to respective ends of the light-emitting diode loading, wherein the first rectifier consists of at least two diodes, one of which is bypassed by the first capacitor (C1), the second circuit of the lamp end, containing the third lamp contact (LP3) and the fourth lamp contact (LP4) for connecting to the second terminal of lamp contact, including in the high frequency ballast content of the fluorescent lamp, the second rectifier (D5-D8, D5, D6), equipped with at least one input terminal, connected to the fourth lamp contact, as well as with the first and the second output terminals, connected to the corresponding ends of the light-emitting diode loading, wherein the second rectifier contains at least two diodes, one of which is bypassed by the second capacitor (C2), wherein the first capacitor and the second capacitor form a serial connection, connected between the second lamp contact and the fourth lamp contact.EFFECT: ability to provide the LED replacing lamp, having a relatively small number of components which can be directly connected to the lamp contact terminals of the fluorescent lamp ballast, preferably to the high frequency ballast of the fluorescent lamp, in order to replace the fluorescent lamp, and consume less power than the fluorescent lamp, for which the high frequency ballast of the fluorescent lamp was designed.9 cl, 4 dwg

Self-adjusting lighting driver for light sources agitation and lighting device including a self-adjusting lighting driver // 2622388
FIELD: lighting.SUBSTANCE: lighting device (100) includes a module (120, 300) of light emitting diodes (LED) and a lighting driver (110, 200) connected to the LED modules. Each LED module includes a LED (323) and at identification current source (324) that supplies the identification current to the identification current output unit (180, 380). All identifying current output units are connected together for common identification current supply with a magnitude which varies in response to the number of LED modules that are connected to the lighting driver. Lightning driver includes a controllable current source (220 or 250) for LED energizing current supplying to the LED modules and a controller (230) which responds to a general identification current for controlling a controlled current source to supply a LED energizing current with a magnitude that varies in response to the number of LED modules that are connected to the lighting driver.EFFECT: reduced energy losses.15 cl 3 dwg

ethod and device for lighting the space with garland of light-emitting diodes // 2622036
FIELD: lighting.SUBSTANCE: in the method of lighting at least part of the space used garland light emitting diodes (LEDs). This LEDs garland comprises a first segment and at least one additional segment LEDs that are connected in series, each segment LEDs comprises at least one LEDs. LEDs Garland is powered with rectified AC voltage. The first segment LEDs is energized when the rectified AC voltage is higher than the first voltage level, and the first segment LEDs and LEDs powered overlay when the rectified AC voltage is above a second voltage level that is higher than the first voltage level. The first segment is the LEDs to emit light in the first amount of space, and the additional segment LEDs arranged to emit light in the second volume of space, wherein the first volume is at least partially different from the second volume. The first volume can at least partially overlap the second volume.EFFECT: simplified management of spatially distributed light.14 cl, 1 tbl, 15 dwg

Led-backlight system and display device // 2621883
FIELD: physics.SUBSTANCE: LED backlight system includes an LCD module and a LED lighting control circuit. The LCD module includes LED strings. The LED illumination control circuit includes a current module, a comparator unit, a control switch block, and a resistance unit, wherein the input of the comparison unit receives voltage from the negative terminal of the LED string, and when the voltage at the negative terminal is greater than a predetermined threshold voltage, the comparison unit translates the control switch unit in the "Enabled" position, while the resistance unit is connected in parallel with the current module to reduce the voltage at the negative terminal.EFFECT: reducing the flicker of the backlight system by reducing the instability of the closed circuit.20 cl, 3 dwg

Bypass device in the lighting control system without neutral conductor // 2621720
FIELD: lighting.SUBSTANCE: device (340), connected to the output terminal of the controller (330), having a single input terminal, connected to the first power terminal of the external power source (305), which provides AC voltage between the first power terminal and the second power terminal, includes the tap-off circuit (342) and the switching configuration (344/346) for detecting if the controller provides power supply to the load (320) or disconnects the load. When the controller is turned off, the switching configuration connects the bypass circuit between the output terminal of the controller and the second power terminal for providing the current path between the output terminal of the controller and the second power terminal. When the controller is turned on, the switching configuration disables the tap-off circuit between the output terminal of the controller and the second power terminal.EFFECT: provision of the necessary leakage current in the controller, when the controller is switched off and disconnects the load, the power to which is supplied from the controller.23 cl, 6 dwg

Replaceable led lamp // 2621059
FIELD: lighting.SUBSTANCE: LED lamp comprises a LED unit (740), network link, the first and second switching devices (710, 720) (eg, first and second relays) and a control unit (730). The control unit (730) detects the ignition voltage in the power line. In response to the detection of the ignition voltage in the power line, the control unit (730) sets the first and second switching devices (710, 720) in the conduction state so that the light module (740) is connected to the power source.EFFECT: increased security when installing LED lamp bulb (700) in reinforcement, engineered for fluorescent lamps.12 cl, 12 dwg

Light source, driver circuit use and method of excitation // 2619262
FIELD: lighting.SUBSTANCE: for the large values of the AC period the light-emitting element is directly powered by AC input signal, actualy aimed by the driver circuit, while at the peak at the converter charges the buffer, preventing the power achievement of the required level excess of the light-emitting element. Then, the stored power can be used for supplying into the secondary stage (or directly to the load, that is the light emitting element) during the low voltage AC input signal phase. Thus the power amount, stored during the time when the power exceeds the upper cutoff amount, approximately equals to the amount of power required to maintain operation during the time, when the power level is lower than the value of the lower cutoff, or than the maximum operating power, so the power supplied to the light emitting element is changed between the upper cut-off value and the lower cut-off, providing the on-going operations.EFFECT: simplification of the light source and the drive circuit design for excitation the light-emitting element of solid light source.13 cl, 11 dwg

Device to improve compatibility of solid-state light sources with intensity control with phase cut-off // 2619055
FIELD: lighting.SUBSTANCE: device includes a connector that provides connectivity to a solid-state light source with a lamp socket configured to accommodate a light source having a filament, and an adapter circuit coupled in parallel with at least one solid-state light source, when the solid-state light source is connected to the socket through the connector. Adapter circuit provides a resistive path for passage of a current through the lamp during the whole or a part of AC cycle of the main supply.EFFECT: device invented to suppress flicker of solid-state light source and increase compatibility of lamp comprising at least one solid state light source.17 cl, 14 dwg

Excitation device and method for the excitation loads, in particular cd (led) bloc // 2618697
FIELD: electricity.SUBSTANCE: drive unit (30) for driving the load (32), in particular LEDs (LED) unit (32) having one or more LEDs, comprises input terminals (45) for receiving an input voltage (V14) from an external source (12) power for the load (32), the current circuit (46) comprising a controllable switch (50) for connecting the input terminals (45) with each other, a measuring circuit (48) comprising a resistor connecting the input terminals (45) between the to provide an AC voltage corresponding to the input voltage (V14), and including a measuring device for measuring alternating voltage in the measuring circuit (48), and a controller for controlling the controllable switch (50) based on the measured alternating voltage.EFFECT: ensuring compatibility with different devices, dimmers, in particular dimmers with phase cut-off.12 cl, 8 dwg

Light-emitting diode light source // 2617442
FIELD: physics.SUBSTANCE: LED light source comprises a rectifier having the rectifier input terminals for connection to the corresponding output terminals of the brightness control with the cut-off phase at the trailing edge. The rectifier input terminals are connected to the main power supply, and having the rectifier output terminals, the first circuit of shunt resistance connecting the rectifier output terminals, the serial arrangement having a unidirectional element and a capacitive means connecting the rectifier output terminals, the converter circuit, the input terminals of which are connected to the respective sides of the capacitive means, and the output terminals are connected to the LED load for generating current through the LED load depending on the brightness control signal, from the voltage present at the capacitive means, the brightness control circuit for generating the brightness control signal depending on the adjustable phase angle for brightness control with the cut-off phase and brightness control signaling to the brightness control input of the converter circuit. The brightness control circuit comprises: a gradient detecting circuit for determining the voltage gradient on the capacitive means and for determining the first phase angle value as an adjustable phase angle, for which the gradient is negative, when the phase angle is less than 90 degrees, a signal generating circuit for generating a sinusoidal signal, which is the voltage of the main power supply, a circuit for activating the first shunt resistance, when the phase angle is 90 degrees, and for disabling the first shunt resistance, when the adjustable angle phase is determined, when the adjustable phase angle is more than 90 degrees, a deviation detection circuit for detecting the voltage deviation at the rectifier output terminals from the sinusoidal signal, for comparing the deviation voltage with the reference voltage and for determining as an adjustable phase angle of the phase angle value, for which the deviation voltage is more than or equal to the reference voltage, when the phase angle is at the range of 90 to 180 degrees.EFFECT: providing LED light source, brightness of which can be adjusted via the brightness control with the cut-off phase at the trailing edge, with the exception of breaks and non-linearities in the relationship between the brightness control signal and the output light.8 cl, 5 dwg

Smooth control of solid-state light source using calculated rate of output signal change // 2617414
FIELD: lighting.SUBSTANCE: invention relates to the lighting control devices. The result is achieved by the fact that the control includes measuring the phase angle of the light brightness control (S322) for the voltage received from the light brightness controller, defining the target light brightness (S323) to be output by the SSL light source, in accordance with the phase angle of the light brightness control, determining the current light brightness (S324) currently output by the SSL light source, and determining the rate of the output signal change (S325) based on the current and the target brightness. The current light brightness, currently output by the SSL light source, is adjusted (S326) to the target brightness by using a nonlinear rate of the output signal change.EFFECT: invention provides a smooth control of the solid-state (SSL) light source.20 cl, 10 dwg

ethod for controlling multi-color signal assembly, and multi-color signal assembly // 2615977
FIELD: electronics.SUBSTANCE: invention relates to a method for controlling a multi-color signal assembly with a multi-color LED, a connection for voltage supply, and a control input. Therefore control input is connected to a control output of a first control unit for controlling signal assembly by pulse-width modulation signals (PWM signals) or to a signal assembly control output by bus communication. After a supply voltage UB is connected to signal system connection with voltage source of signal system, voltage UDI/BUS at control input is measured within a predetermined time span Δt, wherein first control unit has a first voltage at control input within a time span Δt, and second voltage has a second voltage at control input within a time span Δt, wherein first and second voltage differ from each other. Signal is transferred into bus mode or PWM-mode depending on measured voltage UDI/bus, wherein control of signal system in bus mode can be carried out by means of communication via a bus, and control of signal system in PWM-mode can be carried out by means of PWM signals.EFFECT: technical result is improved flexibility of usage of signal system.13 cl, 3 dwg

Electric device and circuit power system // 2615785
FIELD: electricity.SUBSTANCE: invention relates to an electric device for providing an output signal dependent on the electric input signal. Electric device (1) is made to provide constant output when an electric input signal is in the first range of the electric input signal, and a dependent output signal if the electric input signal is in the second range of electric input signal, wherein the dependent output signal depends on the electric input signal. Therefore, the output signal may remain unchanged, even if the input electric signal, which is, preferably, a DC supply voltage, fluctuates within the first range of the electric input signal. In addition, within the second electric input signal range the output signal can be adjusted by controlling only an electric input signal similar to the network DC voltage, without the necessary need for an additional regulation unit of the electric device.EFFECT: invention provides increasing stability to the fluctuations of the electrical input signal and simplifying the adjustment of the output signal.16 cl, 9 dwg

Driver device and driving method for driving load, in particular led unit // 2613524
FIELD: lighting engineering.SUBSTANCE: invention relates to lighting engineering, particularly to drive device (50a-50e) and corresponding driving method for driving load (22), in particular LED unit, comprising power input unit (52) for receiving input voltage (V20) from external power supply and for providing rectified supply voltage (V52), power conversion unit (54) for conversion of said supply voltage (V52) into load current (I54) for powering load (22), charging capacitor (56) for storage of charge and powering load (22), when power is insufficient for powering load (22) and/or power conversion unit (54) extracted from said external power (20) at present moment, and control unit (58) for controlling charging of said charging capacitor (56) with said supply voltage (V52) to capacitor voltage (V56), which can be considerably higher than peak voltage (V52) of said supply voltage, and for powering load (22).EFFECT: higher power factor, efficiency of service life of lighting device.13 cl, 6 dwg

Circuit assembly for selective power supply to distributed loads // 2612646
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering. Circuit assembly for selective power supply to distributed loads (D1-D7, 220-226, 213a-213e) comprises plurality of load segments (10, 20, 30, 40, 50, 60, 70), each of which is electrically connected with, at least, one power supply output to receive variable voltage, wherein each load segment (10, 20, 30, 40, 50, 60, 70) comprises, at least, load unit (D1-D7, 220-226, 213a-213e) and proximity sensor (11) unit, connected to load unit and containing, at least, one reactive device (L1-L7, L1a-L7a, C1-C7, C1a-C7a, 214a-214e, 215d), having reactive resistance, wherein reactive resistance depends on proximity to detection object (100, 102).EFFECT: technical result is increase in efficiency of interactive power supply to loads.15 cl, 6 dwg

Solid-state lighting device brightness control system and method // 2611428
FIELD: lighting.SUBSTANCE: invention relates to control over solid-state lighting devices. Result is achieved by fact, that determination of light output value from solid-state lighting (SSL) device based on dimmer settings includes stages, on which determining dimmer adjustment during reading mode by means of power signal analysis, received from illumination control, dimmer adjustment indicates required level of illumination, determining power, required on SSL device input leads, so that SSL load generated required level of light output, and determining value of correcting signal for correction of power on SSL device input terminals during power receiving mode at least partially based on dimmer determined setting, to make SSL device to generate required level of illumination.EFFECT: technical result is possibility to provide continuous, stable operation of solid-state lighting (SSL) device during illumination adjustment operations and output level of illumination, corresponding to setting.15 cl, 15 dwg

Control device and method of load control with polarity-dependent voltage divider circuit // 2611427
FIELD: machine building.SUBSTANCE: invention relates to load control device, in particular, light-emitting diode unit, having one or more light-emitting diodes. Result is achieved by fact, that device (60) includes input terminals for receiving input voltage (V10) from external power supply source (16) for load power supply (12), connection device (64) for connection of input terminals to each other and to create current path (66, 68), depending on input voltage polarity (V10), wherein device (64) comprises first current path (66) for connection of input terminals in first direction of current and second current path (68) for connection of input terminals in second direction of current, opposite to first direction of current, wherein each of first and second current paths (66, 68) comprises current control unit (88, 90) to control voltage divider current (I3, I4) in corresponding current path (66, 68) and wherein each of first and second current paths (66, 68) comprises disconnection device (92, 94) to lock voltage divider current (I3, I4) in corresponding current path (66, 68) in reverse direction, opposite to corresponding current direction.EFFECT: technical result is creation of load control device, particularly by light-emitting diode unit containing one or more light-emitting diodes, which is compatible with various dimmers, in particular, with phase cutoff dimmers.15 cl, 10 dwg

Driver for connecting light-emitting diode to electronic ballast // 2609130
FIELD: lighting.SUBSTANCE: invention relates to a driver for excitation of a light-emitting diodes circuit. Result is achieved by that provided is driver (1) with first circuit (10) for a detuning resonator of electronic ballast (3). First circuit (10) comprises a serial connection of capacitor (11) and bidirectional switch (12). Serial connection is connected with electronic ballast (3) to receive an AC signal. Driver (1) is provided with second circuit (20) for providing a DC signal to circuit (2) of light-emitting diodes. Second circuit (20) contains a rectifier with input leads connected with the serial connection and output leads connected to circuit (2) of light-emitting diodes. Besides, driver (1) is provided with third circuit (30) to provide a control signal to first circuit (10) for control over the level of power supplied to circuit (2) of light-emitting diodes.EFFECT: technical result is the possibility of replacement of the electronic ballast of a fluorescent tubular lamp or a similar lamp with a LED circuit without removing the electronic ballast.14 cl, 5 dwg

Led exciter // 2608356
FIELD: lighting.SUBSTANCE: invention relates to light-emitting diodes (LED) exciter system, lamp containing such LED exciter system, and method of LED excitation. Result is achieved by fact, that LED exciter system (1) contains current source (4), which supplies power current (i) to parallel arrangement of parallel switch (20) and LED (10). Parallel switch (20) short-circuits LED (10), when it is closed. Controller (15) during usage generates: (i) first control signal (E) to control over current source (4) for change of control mode, whereby power supply current (i) is controlled so, that it had non-zero average level, to attenuation mode, whereby power supply current (i) diminishes during attenuation period (Td), and (ii) second control signal (CSI) to control parallel switch (20) so, that it opened during open period (To), containing attenuation sub-period period (Td).EFFECT: technical result consists in provision of LED exciter system, which provides smaller steps of change in light emission intensity.14 cl, 9 dwg

ethod and device for limitation of positive and negative current emissions in lighting power supply signal shaper // 2606503
FIELD: lighting.SUBSTANCE: invention relates to lighting engineering. Lighting power supply signal shaper has a primary circuit side signal shaper configured to convert the input signal from the power supply source – the mains – into the output signal of the primary circuit side, and a secondary circuit side signal shaper connected to the primary circuit side signal shaper and configured to rectify and filter the output signal of the primary circuit side to supply the output current of the power supply signal shaper for exciting the lighting load. Microcontroller controls the lighting power supply signal shaper at starting so that the secondary circuit side signal shaper is supplied with power, and the primary circuit side signal shaper is in the de-energized state during the period of the smooth start, and after the period of the smooth start the secondary circuit side signal shaper is set to the low level state when power is supplied, and then is set to a state so that the output current of the power supply signal shaper from the secondary circuit side signal shaper increases the lighting load light yield from the initial level of brightness to the rated brightness level without flickering.EFFECT: technical result is the increase of lighting quality.15 cl, 12 dwg

Device and method for controlling current to solid state lighting circuit // 2606502
FIELD: electrical engineering.SUBSTANCE: device for controlling current to a solid state lighting load includes capacitor (241, 341) and current source (245, 345). Capacitor is connected in parallel to solid state lighting load (260, 360). Current source is connected in series with parallel arrangement of capacitor and solid state lighting load. Current source is configured to modulate dynamically amplitude of an input current provided to parallel arrangement of capacitor and solid state lighting load based on an input voltage.EFFECT: technical result is higher power factor and efficiency of lighting element.15 cl, 6 dwg

Power control unit and method for controlling electrical power provided to a load, in particular a led unit, and voltage control unit for controlling an output voltage of a converter unit // 2606387
FIELD: lighting.SUBSTANCE: invention relates to a power control unit and to a method for controlling electrical power provided to a load, in particular a light-emitting diodes (LEDs) unit comprising one or more LEDs. Result is achieved by the fact that power control unit (40) for controlling electrical power provided to a load, in particular, an light-emitting diodes (LEDs) unit (12) comprising one or more LEDs, contains: converter unit (10) having input terminal (42) for receiving input voltage (V10) from external power supply (22) and having output terminal (44) for providing output voltage (V14) to power the load, wherein converter unit (10) comprises switching device (14) for transforming input voltage (V10) to output voltage (V14); control unit (20) for controlling switching device (14); signal means (46) connected to output terminal (44) for applying a voltage or current signal to output terminal (44), wherein control unit (20) is connected to signal means (46) and adapted to control signal means (46).EFFECT: technical result is providing a controller for controlling an output voltage of a converter unit, which provides high efficiency and reduced power losses.12 cl, 9 dwg

System and method of reducing brightness based on the mains signal of solid-state lighting module // 2604869
FIELD: lighting.SUBSTANCE: invention relates to control over solid-state lighting devices. Result is achieved by the fact that a brightness reduction system on the basis of the mains voltage, of a solid-state lighting module includes a transformer, a mains voltage measurement circuit and a processing circuit. Transformer includes a primary winding connected to a circuit of the primary winding and a secondary winding connected to a circuit of the secondary winding, herewith the circuits of the primary and the secondary windings are separated by an insulating sleeve. Mains voltage measurement circuit receives the mains rectified voltage from the circuit of the primary winding and generates a signal of the mains voltage measurement indicating the mains rectified voltage amplitude. Processing circuit receives the mains voltage measurement signal from the mains voltage measurement circuit through the insulating sleeve and transmits a reference signal of brightness reduction to the circuit of the secondary winding in response to the mains voltage measurement signal. Light generated by the solid-state lighting module connected to the circuit of the secondary winding is adjusted in response to the reference signal of brightness reduction transmitted by the processing circuit.EFFECT: technical result is enabling reduction of brightness of light emitted by LEDs basing on the mains voltage.15 cl, 5 dwg
 
2550812.
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