Lighting device and method of lighting device production

FIELD: lighting.

SUBSTANCE: invention relates to lighting engineering, namely in a lighting device and a method of making the said lighting device. Lighting device (1) comprises first light-emitting element (101) connected optically with light guide (110) having output surface (111) for lighting by the light guide. Besides, the lighting device comprises second light-emitting element (102) intended for direct lighting by means of the lighting device. First light-emitting element (101), light guide (110) and second light-emitting element (102) are enveloped with shell (130). When an input signal comes to the lighting device, light intensity of second light-emitting element (102) is adjusted relative to light intensity of first light-emitting element (101).

EFFECT: technical result is higher energy efficiency at use.

14 cl, 4 dwg

 



 

Same patents:

Led lamp // 2556871

FIELD: electricity.

SUBSTANCE: invention relates to lighting engineering and can be used for manufacture of the light sources used as a part of lighting equipment for the general and local external and internal lighting. The LED lamp contains the convex lens, the board with light-emitting diodes installed from the end face side of the hollow radiator and the connector for connection to the power supply circuit placed in the radiator cavity. The technical result is achieved due to that the radiator cavity contains the thin-walled cylinder made of heat-conducting electric insulating material. Between the board and the named cylinder the metal orifice is installed with a possibility of heat exchange, meanwhile on the lower base of the thin-walled cylinder the connector for connecting to the power supply circuit is made.

EFFECT: decrease of axial dimensions of the lamp and improvement of conditions of heat exchange between the board of light-emitting diodes and environment.

3 cl, 2 dwg

FIELD: chemistry.

SUBSTANCE: invention refers to methods for producing photoluminescent phosphors and can be used in producing white light emitting diodes. Mixture components are mixed, milled in a planetary mill at an acceleration of 20 G for at least 25 min. The prepared powder is annealed and ultrasonicated by shock cooling in an ultrasonic bath followed by washing and precision sieving at a particle size of 15-20 mcm. The produced luminescent material has a mean particle size of no more than 4 mcm, maximum luminescence band at λ=545-565 nm.

EFFECT: reducing the luminescent material process time and increasing the fluorescent brilliance.

4 ex

FIELD: electricity.

SUBSTANCE: invention relates to lighting engineering. Lighting device 1100 includes bulb 18, housing 16 connected to bulb 18 and base 14 connected to bulb 18 and the first printed board 30 located inside housing 16. Light sources 32 are located on the first printed board 30. Heat-absorbing device 210 is thermally connected to light sources 32. Heat-absorbing device 210 includes mutually spaced plates 1140 having outer edges and through holes. Each of outer edges 1144 is in contact with housing 16. The lighting device also includes elongated assembly 1110 of a printed board of a control circuit, which is electrically connected to light sources 32 of the first printed board 30 and to base 14. Printed board 1110 of the control circuit passes through holes 1170. On printed board 1110 of the control circuit there located are electric components 1112 for control of light sources 32.

EFFECT: enlargement of a range of technical means.

182 cl, 28 dwg

Button // 2546428

FIELD: personal use articles.

SUBSTANCE: invention relates to accessories manufacture. The button contains a collapsible body having a cavity and consisting of two parts with a fixture element on one of them and at least one LED mounted on the other, The LED connected to the AC supply positioned inside the cavity via conductors. There is a hole made in the part having a fixture element for pushing the AC supply from it.

EFFECT: ensuring the possibility of the button use as a signal device, for example - by a visually impaired person while crossing the street; enhanced safety of the user.

4 dwg

FIELD: electricity.

SUBSTANCE: invention relates to lighting engineering. A lighting device includes a housing from non-conductive material, and the following components located in it: a light source based on light emitting diodes, which includes at least one first light-emitting diode generating the first emission having the first spectrum, and at least the second light emitting diode generating the second emission with the second spectrum different from the first one, a lens connected to the light source, a heat-absorbing device, as well as a base for connection to a seat and an electric circuit with a power converter. The technical result is achieved due to the fact that it is provided with a temperature sensor located in a close proximity to the light source, and the power converter is a switching power source receiving a temperature signal for control of currents passing through the first and/or at least one second light emitting diode so that the first current can vary from the second one.

EFFECT: improvement of lighting efficiency.

10 cl, 22 dwg, 2 tbl

FIELD: electricity.

SUBSTANCE: invention is related to light engineering, in particular, to energy-saving lighting fixtures without dazzling effect, which are designed on the basis of powerful light-emitting diodes (LEDs) with large service life. The lighting fixture comprises a power supply unit, a body, a dissipating cover, a board with mounted LEDs and several refracting plates made as partially refracting plates. The partially refracting plates are mounted normally towards the sectional plane passing perpendicular to the board and the body plane and at the same time slantwise towards the body at different angles in space between the body and dissipating cover. The LED lighting fixture may be equipped with butt-end refracting plate installed slantwise towards the body between the body and dissipating cover behind the refracting plate last in succession as well as the face refracting plate mounted between the partially refracting plates and the body. The butt-end and front refracting plates have high light reflectance. The partially refracting plates may be made as optically transparent plates.

EFFECT: removal of dazzling effect and simplification of the lighting fixture design.

4 cl, 4 dwg

FIELD: chemistry.

SUBSTANCE: inventions relate to chemical industry and light equipment and can be used in light diodes for emission of coloured or white light. Luminiscent substance with silicate luminophores, doped with Eu2+, contains solid solutions of mixed phases of oxyorthosilicates of alkali and are earth metals, represented, for instance, by formula: (1-x)MII3SiO5·x SE2SiO5:Eu, where 0<x≤0,2; MII represents ions of bivalent metal, containing at least one ion selected from the group, consisting of strontium and barium, and SE - rare earth metals from the group, including Y, La, Gd. Luminophore can additionally contain ions of bivalent metal from the group, including Ca and Cu, as well as Ce3+ as additional activator.

EFFECT: increased service term of luminophores in light diodes due to increased resistance to atmospheric humidity.

11 cl, 2 dwg, 2 tbl, 4 ex

FIELD: electricity.

SUBSTANCE: lamp comprises a bottom housing, a printed-circuit board, a top housing, a bushing, a sensor cover and a camera. The bottom housing is fitted with a part with electric contacts on its bottom. The printed-circuit board is installed in the bottom housing and fitted with light-emitting elements and the infrared sensor. The top housing is installed on the top edge of the bottom housing and has a hole in its centre. The bushing is installed on the bottom housing and adjusted to the hole of the top housing. The sensor cover is installed on the bushing top. The camera is installed between the top and bottom housing and located near the infrared sensor. When the infrared radiation source enters the are of coverage of the infrared sensor, the camera turns on to receive images, and light-emitting elements are switched on for lighting.

EFFECT: implementation of more efficient supervision over the malefactor at the hidden nature of a lamp is provided.

3 cl, 5 dwg

Led lamp // 2540775

FIELD: electricity.

SUBSTANCE: LED lamp comprises a bulb of transparent material, a replaceable radiating element and a fixture made as an electric holder. The fixture comprises a body and at least one pair of spring contacts designed to be connected to the power supply unit. The replaceable radiating element has the central cooling radiator, which is covered by a flexible printed board from three sides. The printed board has tracks; at that at least one light-emitting diode is installed at the top side. Two lateral sides of the printed board touch spring contacts forming a current-conducting connection between the spring contacts and tracks of the printed board. The lamp comprises at least two lateral cooling radiators, which are connected to the bulb at the one side and to the body at the other side. Two lateral sides of the central cooling radiator and lateral sides of the printed board covering them are crimped between two side cooling radiators thus forming thermal contact of the printed board with the central and side cooling radiators.

EFFECT: improved heat removal, which allows using powerful light-emitting diodes.

21 cl, 5 dwg

FIELD: physics.

SUBSTANCE: lighting device (1) includes several lighting sources (4) and one reflecting system, meanwhile the lighting sources (4) are located in front of the reflecting surface of the reflecting system and includes several lighting devices, located around an output hole (10) of the reflecting system. The light beam from the lighting sources (4) due to reflection is deflected towards the reference direction of radiation of the lighting device (1) by means of the reflecting system. The lighting device is fitted with the first reflecting section (2) and the convex second reflecting section (5), the first and second reflecting sections are matched to each other so that the basic light ray can be formed due to that the light from the lighting sources (4) first at first strikes the second reflecting section (5), and then the first reflecting section (2) and leaves from the lighting device towards the reference direction of radiation.

EFFECT: increasing power.

26 cl, 13 dwg

FIELD: physics.

SUBSTANCE: lighting device (1) includes several lighting sources (4) and one reflecting system, meanwhile the lighting sources (4) are located in front of the reflecting surface of the reflecting system and includes several lighting devices, located around an output hole (10) of the reflecting system. The light beam from the lighting sources (4) due to reflection is deflected towards the reference direction of radiation of the lighting device (1) by means of the reflecting system. The lighting device is fitted with the first reflecting section (2) and the convex second reflecting section (5), the first and second reflecting sections are matched to each other so that the basic light ray can be formed due to that the light from the lighting sources (4) first at first strikes the second reflecting section (5), and then the first reflecting section (2) and leaves from the lighting device towards the reference direction of radiation.

EFFECT: increasing power.

26 cl, 13 dwg

FIELD: electricity.

SUBSTANCE: invention is related to a light fixture containing light sources placed at least in the first group of light sources and in the second light sources, at that the above first and second groups of light sources are controlled separately. Light-collecting facilities collect light from the first group of light sources and convert it to beams of light sources. The light sources and light-collecting facilities are placed in the body emitting beams of the light sources. The body includes a coating containing at least one dissipating area and at least one non-dissipating area. The dissipating area receives light generated by the second group of light sources and dissipates it. Beams of the light sources pass non-dissipating areas without light dissipation.

EFFECT: development of new design for the light fixture.

13 cl, 11 dwg

FIELD: electricity.

SUBSTANCE: invention relates to lighting engineering. The first group of light sources has light-harvesting facilities placed so that they collect and convert light from the light sources to light beams of the light sources. The second group of light sources is placed in the pixel matrix, and each of them contains at least one light source controllable independently from other light sources. At least one of the above pixels is designed to emit light in the area between two of the above light beams. The light sources and light-harvesting facilities are placed in a body with coating that contains dissipating and non-dissipating areas. Light from each pixel is dissipated at the output by passing through the dissipating areas while light beams pass through the non-dissipating areas. At that at least one of the dissipating areas is placed at least two non-dissipating areas.

EFFECT: improvement in emitted light homogeneity is obtained due to that fact that in the lighting unit the light sources form at least two groups of light sources designed so that they can be controlled individually.

10 cl, 17 dwg

FIELD: electricity.

SUBSTANCE: invention relates to lighting engineering. The light assembly (10) used for a lantern (1), in particular, for lighting of roads and/or streets has adjusted light distribution. The light assembly (10) contains at least two light (11, 12) sources or two groups of the light sources, at that each of the above light sources (11, 12) or each of the above groups has individual light distribution performance, at that aggregated light distribution for the light assembly (10) is adjusted by change in light output ratio for at least two above light sources (11, 12) or groups of light sources.

EFFECT: simplifying adjustment of light distribution.

10 cl, 9 dwg

FIELD: electricity.

SUBSTANCE: light beam that left the first output face passes along the first channel and gets to the first input surface of the first window. Light beam that left the second output face passes along the second channel and gets to the second input surface of the second window. The light beam is discharged from the device via the first output surface of the first window and the second output surface of the second window. At the same time arrangement of the first window and second window in the form of an optical wedge with mutually perpendicular cylindrical surfaces or in the form of an optical wedge with a diffraction structure with rated relief applied onto the first input surface of the first window and the second input surface of the second window provides for formation of angular divergence of the light beam, which has asymmetric angular dimensions along the vertical line and horizontal line and change of its direction, providing for arrangement of the lower border of the light beam on the surface of a landing strip, and also provision of the specified direction of the axis of maximum brightness of light beam.

EFFECT: simplified design, reduced dimensions and weight of a device and improved technology for assembly into a landing strip surface.

10 cl, 5 dwg

FIELD: medicine.

SUBSTANCE: invention refers to medical equipment, namely to surgical lights. A light comprises main and supplementary light diodes mounted on a body, distributed on its surface and grouped by the main and supplementary light diodes, and a light field control. The groups of the main and supplementary light diodes are coupled both to each other, and to the light field control. The main light diodes are fixed on the body of the light with their optical axes transecting an axis of the light in the centre of a light spot, while the supplementary light diodes are fixed on the body with their optical axes creating an annular concentric light spot surrounding a main spot.

EFFECT: invention allows higher fixation reliability of the light and maintained higher luminous efficacy.

3 cl, 3 dwg

FIELD: heating systems.

SUBSTANCE: invention refers to independent electric power supply devices of navigation shore-based and sea-based equipment devices as power source for charging the energy storage units (storage batteries) with thermoelectric conversion of solar power. Plant with thermoelectric generator is intended for visual devices of navigation equipment, includes light-optical device, independent electric power source (accumulator) and storage energy device with mechanism of its being connected to this source; at that, it is equipped with thermoelectric converter (thermoelectric generator) as charging device, which converts heat solar energy to electric one, and which is placed inside solar-heat collector, the functions of which are performed with optical device on the basis of Fresnel lens, which is rigidly fixed in caustic neck (focus) of solar-heat collector.

EFFECT: invention shall provide design simplification, increase in reliability, life time and operation process at sites with navigation equipment devices.

1 dwg

FIELD: textile industry, in particular, fabrics or other textile products including illuminated fibers, and articles manufactured from textile product and provided with light source.

SUBSTANCE: textile product includes lit-through fibers and consists of fabric manufactured from interwoven threads and warp fibers. At least some quantity of warp fibers and interwoven fibers consists of lit-through filaments. At least one part of lit-through filaments having free length is not interwoven with respective lower part of fabric. Lit-through filaments are cut and released from respective lower part of fabric.

EFFECT: improved quality of textile product and articles manufactured from said textile product.

11 cl, 7 dwg

Buoyant lantern // 2282785

FIELD: buoyant lanterns.

SUBSTANCE: buoyant lantern has base for placement of at least one light source or illuminating aid. Light screen is connected with base of lantern. The screen has hole to be connected with base; in total the screen has closed spherical surface. Seal member is provided between light screen and base. Contact area between light screen and base is disposed lower than surface of fluid, surrounding lantern. Lantern is connected with at least one fitting element, disposed lower that level of liquid; fitting aid is anchored or being able to be anchored. At least one fitting element is connected with light screen outside base of lantern.

EFFECT: prolonged service life of lantern; improved reliability.

12 cl, 6 dwg

Lamp led // 2227245
The invention relates to the field of electrical and radio engineering

Led light source // 2557016

FIELD: electricity.

SUBSTANCE: invention relates to the field of lighting engineering. A light-emitting diode light source (100) consists of an array (110) of red LEDs, an array (120) of blue LEDs covered with a luminophor, a colour point from mixed light coming from the array (120) of blue LEDs covered with the luminophor is within the limit range of a quadrangle of CIE chromaticity diagram, where coordinates of the quadrangle apexes are (0.375, 0.427), (0.390, 0.456), (0.366, 0.430), (0.38, 0.46) respectively, at that LEDs transient temperature for the array (120) of blue LEDs covered with the luminophor and array (110) of red LEDs is practically equal to room temperature and the ratio of lumen output of the array (120) of blue LEDs covered with the luminophor in regard to lumen output of the array (110) of red LEDs varies within the range of 4:1 up to 1.5:1.

EFFECT: increased efficiency of emitted warm white light.

10 cl, 4 dwg

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