Intensity circuits (G09G5/10)

ethod and apparatus for setting screen brightness // 2645302
FIELD: mobile devices.SUBSTANCE: invention relates to the field of brightness control of a mobile device screen, namely, brightness control based on measurement of ambient light. To this end, light sensor receives the first brightness of ambient light in the environment where the terminal is located, and detects whether the light sensor is directed to the opposite side from the light source in the environment. Next, the first backlight brightness level is calculated according to the first brightness of ambient lighting, if the light sensor is directed to the opposite side from the light source, wherein the said first backlight brightness level is higher than the second backlight brightness level, which is calculated according to the first brightness of ambient lighting when the light sensor is directed toward the light source. And then the terminal backlight brightness is set to the first level of backlight brightness. Thus, the problem of calculating an inaccurate level of backlight brightness is solved when the light sensor is directed in the opposite direction from the light source, since the measured brightness of ambient lighting is lower when the light sensor is directed to the opposite side from the light source.EFFECT: technical result is an increase in the accuracy of the backlight brightness level due to the determination of the relative position of the light sensor and the light source.11 cl, 7 dwg

ethod and device for symbol determination // 2643447
FIELD: information technology.SUBSTANCE: when determining information about the first contact point on the on-screen keyboard, it is assessed whether to provide a set of candidate symbols; when it is necessary to provide a set of candidate symbols, a set of candidate symbols is displayed, where the first area, currently occupied by each of the candidate symbols, is bigger than the second area, occupied by each of the candidate symbols on the on-screen keyboard; and a target symbol is determined among the set of candidate symbols. In the present disclosure, when the user inputs symbols via the on-screen keyboard, a set of candidate symbols with enlarged areas are provided.EFFECT: increased accuracy of the target symbol selection during input.11 cl, 21 dwg
ethod and device for switching mode // 2638771
FIELD: physics.SUBSTANCE: method contains: obtaining the value of the ambient light intensity; determining, whether the intensity value is less than a predetermined threshold; enabling the night mode if the intensity value is less than a predetermined threshold, wherein the night mode is a display mode, in which the voltage of the shades of the gray liquid crystal screen is reduced in accordance with a predetermined coefficient. At the same time, when the night mode is the current display mode, obtaining the value of the ambient light intensity; determining, whether the intensity value is greater than a predetermined threshold value; and exiting from the night mode if the intensity value is greater than a predetermined threshold value.EFFECT: providing automatic switching of the display mode to the night mode at extremely low ambient light brightness, dimming the screen is possible by decreasing the voltage of the gray liquid crystal display in the night mode.14 cl, 12 dwg, 3 tbl

Led display device and video display device // 2636111
FIELD: physics.SUBSTANCE: LED display device comprises a LED aging unit, a correction coefficient calculating unit, and a brightness correction circuit. The LED aging unit comprises a LED aging display including the second LED, a brightness meter measuring the dimming values of the second LED for each colour according to the glowing periods of the first LEDs, and a store of dimming values storing the dimming values. The correction coefficient calculating unit calculates correction coefficients for correcting the brightness of the first LEDs for each colour according to the combined glowing periods of the first LEDs of the corresponding colours and the dimming values of the corresponding colours. The brightness correction circuit adjusts the brightness of the first LEDs for each colour according to the correction coefficients.EFFECT: providing compensation for low visibility of the display screen caused by changes in brightness characteristics of individual LEDs, without the need to stop the device operation.6 cl, 13 dwg

ethod and device to control the luminance of the lighting // 2634743
FIELD: lighting.SUBSTANCE: method contains: the control command receipt for adjusting the luminance instantaneous value up to the target luminance value, the first unit illumination lamps current supply stoppage, determination of the current instantaneous value, required for the illumination lamps of the second unit to achieve the target luminance value and providing the first target current value for the illumination lamps of the second unit, if the instantaneous illumination value is greater than the first threshold value, and the target luminance value is less than the first threshold value. Since the luminance lamps of the first unit do not emit the light, the luminance loss is to be compensated by increasing the target current value, supplied to the luminance lamps of the second unit. Further, the first total operating time of the first unit and the second total operating time of the second unit are determined, the current supply to the luminance lamps of the first unit is stopped, if the first total operating time exceeds the second total operating time.EFFECT: provision of the stable light emission, while the luminance lamps are operating with the ultra-low luminance.11 cl, 3 dwg

ethod of controlling electronic device screen (versions) and device for its implementation // 2630290
FIELD: physics.SUBSTANCE: second user instruction is received indicating the interaction of the user with the first part, the interaction to change the adjustable screen brightness level. An appropriate setting of the adjustable screen brightness level is performed in response to the second user instruction. The third user instruction is received, wherein the third user instruction indicates the continued user interaction with the first part and the interaction beginning with the second part of the GUI component, wherein the second part is located close to the predetermined threshold representing one of the minimum or maximum of the adjustable luminance brightness level of the first colour scheme. In response to the third user instructions, the colour screen scheme is switched to the second colour scheme, and the second colour scheme is adjusted to the selected minimum or maximum level to adjust the brightness level for the second colour scheme.EFFECT: providing an optimal colour scheme for different brightness levels.21 cl, 11 dwg

Devices and methods for image graduations analyzing // 2607981
FIELD: image processing means.SUBSTANCE: invention relates to image gradations analyzing techniques. Disclosed is method of, at least two image graduations difference analyzing. Method includes stage, at which obtaining first vertical graduated LDR frame with first dynamic range of brightness. Then according to method receiving data coding second graduated HDR frame graduation with second dynamic range of brightness. At that, first and second dynamic brightness ranges are low and high dynamic brightness ranges. Further, according to method determining graduation difference data structure containing characteristic of, at least one area, in which there is difference in graduation between first and second graduated frames.EFFECT: technical result is enabling of depicted scenes encoding adaptation, providing high-quality images visualization.8 cl, 8 dwg

ethod of controlling brightness, as well as device and software for implementing said method // 2607275
FIELD: electronics.SUBSTANCE: invention relates to means providing the possibility of binding a display brightness level selected by the user to an application program selected for use. Stored in the memory are data describing: a) each selected by the user display brightness level setting for an application program while using the latter and b) the degree of general illumination took place at the moment. At the next start of the application program, for which there are the data stored, performed is addressing the said data and recovery of the selected by the user display brightness level setting in relation to the general illumination degree, which took place at the said next start of the application program.EFFECT: technical result is the possibility of binding a selected display brightness level to an application program selected for use.13 cl, 3 dwg

ethod and device for brightness control in portable terminal // 2598393
FIELD: electronics.SUBSTANCE: invention relates to electronics and can be used for brightness control in a portable terminal. Method and device for brightness control in a portable terminal. Method includes measurement of temperature according to a predetermined period, removing the brightness value of the corresponding measured temperature, from table stored brightness, and change in brightness of a portable terminal, so that the extracted value of brightness.EFFECT: technical result is longer service life of the display unit.12 cl, 1 tbl, 6 dwg

Image signal processing device, transmitting device, image signal processing method, program and image signal processing system // 2557470
FIELD: physics, computer engineering.SUBSTANCE: invention relates to image signal processing systems. An image signal processing device is disclosed. The device includes a receiving unit for receiving an image signal and setting information for each given segment of the image signal including image type setting information to define whether the image signal represents a stereoscopic image. The device also includes gamma correction setting information to define a gamma correction value for the image signal. The device also includes a gamma correcting unit for performing gamma correction for the image signal based on the gamma correction setting information included in the setting information received by the receiving unit. The device also includes a stereoscopic image processing unit for selectively performing a process to display the stereoscopic image for the image signal corrected by the gamma correcting unit based on the image type setting information included in the setting information received by the receiving unit.EFFECT: high quality of the displayed image owing to gamma correction of the image depending on the type of image.9 cl, 16 dwg

ethods and systems for display source light management with histogram processing // 2456679
FIELD: physics.SUBSTANCE: disclosed is a method of selecting the display source light illumination level involving the following sequence of actions. Calculating a luminance channel from three-colour-channel image data for an input image. Calculating a compound colour channel from the three-colour-channel image data. Generating a two-dimensional histogram from the luminance channel and the compound colour channel. Converting the two-dimensional histogram to a one-dimensional histogram. Determining a performance factor using the one-dimensional histogram. Selecting the display source light illumination level based on the performance factor.EFFECT: higher source light intensity or higher image quality at a fixed source light illumination level, improved dynamic range of specific image frequency bands, gray gradations and other parts of the image.20 cl, 119 dwg

ethod and apparatus for displaying raster data of colour image on display surface consisting of display surface areas of three types, and method and apparatus for displaying raster data of colour image // 2455688
FIELD: information technology.SUBSTANCE: to bring separate single-pixel indicators and separate logic pixels into conformity, a control table is used, which determines the order of displaying image data on the screen of a display device. One single-pixel indicator and one logic pixel correspond to an arbitrary element of the control table. An indicator of a defined colour is activated to generate light flux according to data of the same colour selected from the logic pixel. Selection of these data from the logic pixel and activation of that single-pixel indicator are repeated at high speed. The order of arrangement on the image data plane of geometric centres of non-overlapping or partially overlapping groups from the plurality of logic pixels coincides with the order of arrangement on the surface of the screen of the display device of conditional geometric centres of non-overlapping groups from the plurality of single-pixel indicators, which (groups from a plurality of single-pixel indicators) correspond to those groups from the plurality of logic pixels. Each group from the plurality of logic pixels mutually explicitly corresponds to a group from the plurality of single-pixel indicators. To increase brightness of the image displayed on the screen of the display device, that screen contains white-colour single-pixel indicators which are activated to generate light flux according to data calculated based on data contained in logic pixels which correspond to those white-colour single-pixel indicators.EFFECT: broader functional capabilities, particularly display of raster data of a colour image on the screen of a display device, higher brightness of the image displayed on that screen.16 cl, 21 dwg

Video display device // 2452039
FIELD: physics.SUBSTANCE: distortion module reduces brightness of a backlight source according to the video signal histogram so that contrast can be a predetermined target contrast. A configuration projecting unit sets the gain according to the brightness level of the backlight source selected by the distortion module. During setup, the gain is attached to the control brightness level of the backlight source preset according to the video parameter value. If the video parameter value satisfies a preset condition, the input video signal is always amplified with the gain, otherwise the input video signal is amplified or not.EFFECT: broader functional capabilities of the video display device, particularly preventing limitation of the white level, possibility of display with a sensation of lightness, for which the limitation of the white level is controlled, possibility of presenting lightness without full white filling and achieving a video image with an improved black level.16 cl, 36 dwg

Selective lighting of areas of electronic display // 2310926
FIELD: selective lighting of electronic device displays.SUBSTANCE: effect is achieved due to ensured detection of an event which causes renewal of display, and activation of lighting elements for lighting the display, and determining whether information that should be displayed is going to occupy a display area. If so, that display area is selectively lit by one or more lighting elements. Predetermined lighting period may depend on selected combination of area size, position of aforementioned area and/or priority, connected to the event.EFFECT: reduced consumption of energy of batteries.2 cl, 9 dwg

Power supply for an electroluminescent panel // 2210120
The invention relates to lighting and can be used as a power supply for an electroluminescent light panels
 
2551331.
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