Abstract: A display having a variably controlled backlight and/or driver is disclosed. The backlight includes a first light source that emits light within a first spectral power distribution and has a first radiant power output. A second light source emits light within a second spectral power distribution matched to an optical filter for producing a perceived chromaticity and luminosity matching the perceived display appearance without the optical filter.

Abstract: A device for detecting light intensity, a display screen and a mobile terminal are provided. The device for detecting light intensity includes a controller, and a first photosensitive sensor and a second photosensitive sensor which are electrically coupled to the controller, the first photosensitive sensor and the second photosensitive sensor being spaced apart and located in a same illumination environment, and the controller is configured to, when an external beam illuminates the first photosensitive sensor, perform calculation based on a difference value between illumination parameters of the first photosensitive sensor and the second photosensitive sensor to obtain a light intensity of the external beam.

Abstract: A first brightness value and a second brightness value are determined. The first brightness value relates to display performed by the display during a display time window. The second brightness value relates to an off state of the display during an off time window. The display is off during the off time window. A first drop depth value is determined according to the first brightness value and the second brightness value. A second ambient brightness value is acquired by adjusting a first ambient brightness value detected by the light sensor based on a brightness adjusting model acquired under predetermined ambient light and the first drop depth value.

Abstract: An image display processing method for a display device, an image display processing device, a display device, and a storage medium are provided. The display device includes a backlight unit, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming method. The image display processing method includes: obtaining backlight values of backlight blocks in N rows according to display data, which are transmitted, of pixels corresponding to the backlight blocks in the N rows in a current frame of image; based on the display data of the pixels corresponding to the backlight blocks in the N rows and the backlight values, which are obtained, of the backlight blocks in the N rows, obtaining compensated display data of the pixels corresponding to the backlight blocks in the N rows in the current frame of image.

Abstract: A driving method applicable to a display device, in which the display device includes multiple pixel circuits, and the method includes: adjusting multiple control signals according to a first display data such that the pixel circuits generate a first frame; receiving a second display data generated after the display data; and adjusting the control signals according to a time duration of the first frame such that the pixel circuits generate a second frame, where brightness for each of the pixel circuits is proportional to a duty ratio of one of the corresponding control signals, and an increment for the duty ratio of one of the corresponding control signals in the second frame is negatively correlated to a difference between a ratio of a preset time period to the time duration of the first frame and a ratio of the preset time period to the time duration of the second frame.

Abstract: The present disclosure illustrates a method of driving a display device, including steps of dividing an original display image into first and second display image; acquiring first, second and third mean values of the original display image; setting the mean values of the first components, the second components, and the third components of the first display image to be equal to the second mean value, and setting the mean values of the first components and the third components of the second display image to be equal to a third mean value; regulating brightness value of a backlight circuit; acquiring drive components corresponding to the pixels of the second display image; and driving the pixel units of the display device for display, according to the drive components corresponding to the pixels of the first display image and the drive components of the pixels of the second display image.

Abstract: Provided are holographic displays and operating methods of the holographic display. The holographic display includes a backlight portion configured to emit light for displaying an image; a deflector configured to control a direction at which the image is displayed; a lens portion configured to control a location where the image to be displayed is formed to match a location that satisfies a diffraction condition; and a panel portion configured to display a 3D image by combining the image to be displayed with an interference pattern generated with respect to an overlapped hologram.

Abstract: A device for controlling a color gamut includes: a color mapping module which converts a source image signal, based on a first color gamut look-up table; and a color gamut shift module which sets a second color gamut look-up table, based on a grayscale value determined corresponding to an external factor or user setting. When the color gamut shift module is enabled, the color mapping module converts the source image signal, based on the second color gamut look-up table.

Abstract: A display driving method of a display device, a driving device and the display device are provided. The display device includes a display panel and a backlight unit. The display driving method includes: sending image information of a display image to the display panel; acquiring a scanning parameter of the display image from the image information; acquiring a driving parameter of a plurality of rows of backlight blocks based on the scanning parameter of the display image, and driving the plurality of rows of backlight blocks based on the driving parameter.

Abstract: Embodiments herein disclose a method for modifying content in an electronic device. The method may include classifying a plurality of regions in the content, wherein at least one of a lightness factor or a brightness factor is defined for each of the regions. The method may further include obtaining at least one of a candidate lightness span or a candidate brightness span for each of the classified region from a predefined lightness span database or a predefined brightness database and identifying a current brightness level of a display of the electronic device. The method further may further include identifying at least one of an optimal lightness span or an optimal brightness span by adjusting the candidate lightness span and candidate brightness span based on the current brightness level and modifying the content corresponding to each of the classified region using at least one of the optimal lightness span and the optimal brightness span.

Abstract: A motor vehicle includes a rearview mirror display system with a visible surface and having a mirror mode and a display mode. The visible surface functions as a mirror in the mirror mode. The visible surface displays an electronically produced image in the display mode. An electronic processor is communicatively coupled to the rearview mirror display system. The electronic processor detects that the display mode is not operating properly, and, in response to the detecting, automatically switches the rearview mirror display system from the display mode to the mirror mode.

Abstract: A grayscale compensation method and apparatus are provided. The grayscale compensation method includes: performing a grayscale compensation data detection on a display panel to obtain a first grayscale compensation data; preforming a grayscale compensation data detection on a backlight module to obtain a second grayscale compensation data; performing a data fusion on the first grayscale compensation data and the second grayscale compensation data to obtain a third grayscale compensation data; and performing a grayscale compensation on the display panel according to the third grayscale compensation data. By calculating the grayscale compensation data of the display panel and the backlight module at the same time, display brightness of the display panel is more uniform. Moreover, before the data fusion, the first and second grayscale compensation data may be reduced in resolution, the data amount of fusion calculation is less and the calculation time and storage space are saved.

Abstract: Methods and systems for color error correction for a segmented LED array are disclosed. A method includes calculating a target luminance for LED segments in a segmented LED array based on an initial luminance pattern, determining a luminance ratio based on the target luminance, the luminance ratio defined as a ratio of a primary luminance value of the primary LED segment to a secondary luminance value of the at least one adjacent LED segment, and comparing the luminance ratio to a predefined threshold ratio. If the luminance ratio is greater than or equal to the predefined ratio, then the secondary luminance value of the at least one adjacent LED segment is maintained. If the luminance ratio is less than the predefined ratio, then the secondary luminance value of the at least one adjacent LED segment is increased.

Abstract: A ubiquitously mountable image display system includes a shape-reconfigurable display screen component to which is attached a plurality of circuit modules each having at least one light source. The shape-reconfigurable display screen component is formed of a material that accommodates flexing of the display screen component without creating a perceivable aberration in separation distance between two or more picture elements of an image that is rendered upon a viewing plane of the display screen component when light from the plurality of light sources is directed towards the viewing plane.

Abstract: Disclosed are display device and a method for driving same: calculating a sub-pixel scale average value of each pixel in a pixel unit corresponding to original gray scale data to be displayed in a display region, and shutting off a light source corresponding to a sub-pixel color having the smallest average gray scale value in a backlight unit corresponding to each display region.

Abstract: The present disclosure relates to the field of display technologies, and particularly discloses a color film substrate, a display panel, a backlight module, a display device and a display system. The color film substrate includes a plurality of pixel units arranged in an array, each of the plurality of pixel units including a first-class filtering unit and a second-class filtering unit, wherein the first-class filtering unit allows visible light to pass through and blocks invisible light, and the second-class filtering unit allows the invisible light to pass through and blocks the visible light.

Abstract: The disclosure provides an image adjustment device configured to be different modes according to whether the adopted display is a light emitting diode display or a liquid crystal display, and including a duty cycle calculator, an intensity calculator and a compensator. In a first mode, the duty cycle calculator determines a respective type of each segment according to brightness information of each segment, and sets a duty cycle value according to the type of the segment. In a second mode, the duty cycle calculator calculates the duty cycle value according to the brightness information of each segment. The intensity calculator calculates the pixel intensity of the segment based on the duty cycle value and a light diffusion coefficient set. The compensator generates a pixel gain value according to the intensity value of each pixel of the segment, and adjusts the pixel value according to the pixel gain value.

Abstract: A backlight module is disclosed, which includes light emitting units arranged in columns. Each light emitting unit includes a light emitter and a first switch in parallel connection. The first switch is configured to selectively bypass the light emitter. In the backlight module, the light emitters in the same column of light emitting units are in serial connection.

Abstract: In one embodiment, a dual modulator display systems and methods for rendering target image data upon the dual modulator display system are disclosed where the display system receives target image data, possible HDR image data and first calculates display control signals and then calculates backlight control signals from the display control signals. This order of calculating display signals and then backlight control signals later as a function of the display systems may tend to reduce clipping artifacts. In other embodiments, it is possible to split the input target HDR image data into a base layer and a detail layer, wherein the base layer is the low spatial resolution image data that may be utilized as for backlight illumination data. The detail layer is higher spatial resolution image data that may be utilized for display control data.

Abstract: There is provided a polymer network liquid crystal display device for image display according to an input image signal. The device includes a determination unit configured to determine whether an image for display according to the image signal is a moving image or a still image, and a correction unit configured to correct a hysteresis of the image for display, based on a result of the determination by the determination unit.

Abstract: A light source, a light source assembly, a display device and a display method. The light source comprises a first light emitting region and a second light emitting region. The first light emitting region and the second light emitting region can control ON or OFF of the light emission separately. The first light emitting region and the second light emitting region are arranged alternately along a first direction. The first light emitting region and the second light emitting region of the light sources in this disclosure can be controlled separately. Hence, one light emitting region can be made to emit light while the other light emitting region can be made to be turned off. There is no stray light in the turned-off light emitting region, so as to avoid stray light crosstalk to light of the other light emitting region.

Abstract: An image display apparatus is disclosed. The image display apparatus includes a panel configured to display an image, a backlight including a plurality of light sources configured to output light to the panel, a light source driver configured to drive the plurality of light sources, and a processor configured to control the light source driver, wherein the processor changes the turn on duty of a light source corresponding to a moving object area in an input image and changes the level of current flowing in the light source. Consequently, the definition and luminance of an image including a moving object may be improved.

Abstract: The present invention provides a constant-current-source driving system, comprising: a power source module, a primary working load module, a secondary working load module, and a weighting controller. The primary working load module is connected to the power source module in order to be driven by electricity provided by the power source module. The secondary working load module is connected to the primary working load module and parallel-connected to a variable-impedance controller.

Abstract: A detection device includes: a substrate having a sensor region in which photosensors are arranged in a first direction and a second direction. In the sensor region, the substrate includes: read control scan lines extending in the first direction and configured to transmit read control signals; and output signal lines extending in the second direction. The photosensors includes: dummy elements comprising first photodiodes and arranged along a contour of the sensor region; and detection elements comprising second photodiodes and arranged on an inner side of a dummy region in which the dummy elements are arranged. The dummy elements are coupled to neither the read control scan lines nor the output signal lines. The detection elements are coupled to the read control scan lines and the output signal lines and are configured to, after receiving the read control signals, output signals generated by the first photodiodes to the output signal lines.

Abstract: Systems and methods for generating illumination effects for inserted luminous content, which may include augmented reality content that appears to emit light and is inserted into an image of a physical space. The content may include a polygonal mesh, which may be defined in part by a skeleton that has multiple joints. Examples may include generating a bounding box on a surface plane for the inserted content, determining an illumination center point location on the surface plane based on the content, generating an illumination entity based on the bounding box and the illumination center point location, and rendering the illumination entity using illumination values determined based on the illumination center point location. Examples may also include determining illumination contributions values for some of the joints, combining the illumination contribution values to generate illumination values for pixels, and rendering another illumination entity using the illumination values.

Abstract: The present subject matter relates to display screens. In an example, a display screen includes a first set of pixels, where micro-LEDs of the first set of pixels are to emit light in a first direction from the display screen, and a second set of pixels, where micro-LEDs of the second set of pixels are to emit light in a second direction from the display screen. The second direction is different from the first direction.

Abstract: A backlight structure and a display panel. The backlight structure includes a backlight source, a first optical film and a second optical film. The backlight source includes a plurality of sub-millimeter light emitting diodes disposed on the lamp panel. The first optical film includes a first surface having a plurality of first light diffusing structures and a second surface having a plurality of first supporting reflective structures. Projections of the plurality of first light diffusing structures on the light panel separates from projections of the plurality of first supporting reflective structures on the light panel.

Abstract: A display device includes a frame frequency detector, a data generator, a data driver, and a plurality of pixels. The frame frequency detector is configured to detect a varied frame frequency to generate frame frequency information. The data generator is configured to receive an image signal and the frame frequency information, confirm an expanded frame period exceeding a reference frame period in one frame from the frame frequency information, and correct an image data signal corresponding to the image signal to correspond to a luminance changed according to the expanded frame period. The data driver is configured to output a data voltage corresponding to the image data signal. The plurality of pixels is configured to emit luminance corresponding to the data voltage. The reference frame period is a period in which the plurality of pixels is configured to emit light with a constant luminance corresponding to the data voltage.

Abstract: When at least one scope of 0.5 mm square or more of a surface of an optical sheet having the unevenness is measured, height data of each of a plurality of pixels of an image obtained is determined, an approximated surface is calculated, from the height data of each pixel, for a minute region of 100 ?m2 or less, and a calculation is repeatedly performed to obtain an inclination angle between: (i) a flat surface appearing after the unevenness is imaginarily removed and: (ii) the approximated surface, while two-dimensionally shifting the minute region at equal intervals along the flat surface by using at least one of the pixels as a unit to obtain a plurality of minute regions, a total area of some of the minute regions each having the inclination angle of 30° or more, accounts for 30% or more of a total area of all the minute regions.

Abstract: An image display apparatus is disclosed. The image display apparatus includes a display including an organic light emitting diode panel and a controller configured to control the display, wherein the controller is configured to display a first input image, in the case in which a second image having higher luminance than the first image is input after the first image, increase the luminance of the second image during a first period, and decrease the luminance of the second image after the first period. Consequently, it is possible to prevent glare while preventing luminance decrease at the time of scene change of an input image.

Abstract: A system including a display module and a system module. The display module is integrated in a portable device with a display communicatively coupled to one or more of a driver unit, a measurement unit, a timing controller, a compensation sub-module, and a display memory unit. The system module is communicatively coupled to the display module and has one or more interface modules, one or more processing units, and one or more system memory units. At least one of the processing units and the system memory units is programmable to calculate new compensation parameters for the display module during an offline operation.

Abstract: A luminescence shock avoidance algorithm selectively limits the brightness level of a display device when the display device is activated in a dark environment to prevent the temporary vision impairment that can occur when a display device is activated in a dark environment. The algorithm receives the state of the display (e.g. on or in standby mode), and can optionally receive an ambient lighting value from an ambient light sensor and a user-selectable manual brightness adjustment setting to determine whether luminescence shock avoidance should even be triggered, and if it is triggered, how much should the brightness level of the display be limited.

Abstract: A display driving circuit for driving a display panel includes a control logic that adjusts brightness of a first partial area by adjusting pixel data values included in partial image data to be displayed on the first partial area of the display panel based on received brightness control information, and a data driver that generates image signals by digital-analog conversion of pixel data values provided from the control logic, the data driver providing the image signals to the display panel.

Abstract: A backlight module and display device using the same are provided. The backlight module has a light guide plate. A piezoelectric module is arranged at the outer side of the backside surface of the light guide plate and configured to produce a vibration. The vibration is directly or indirectly transmitted to a resonator, for example, a light guide plate or a bezel, to produce resonance, and a space to which the backside surface is oriented is used as a resonance cavity. By means of the arrangement, the screen-to-body ratio of electronic products and the sound quality can be improved while taking into account the thickness and volume of the electronic products.

Abstract: The backlight unit includes: a light guide that includes an incidence surface and an emission surface facing each other; and a light source portion including a plurality of point light sources that are two-dimensionally arranged to face the incidence surface of the light guide, in which light emitted from the light source portion is incident into the incidence surface of the light guide and emitted from the emission surface, the backlight unit is driven by local dimming in which at least two point light sources among the plurality of point light sources are used as a minimum point lighting unit, the light guide includes a plurality of light advancing direction conversion portions and a plurality of light extraction portions, each of the light advancing direction conversion portions is provided at each of positions on the incidence surface facing the plurality of point light sources and changes an advancing direction of each of light components to a direction in which the light component is guided in the light

Abstract: An electronic device is disclosed. The electronic device comprises an input unit, and a processor for acquiring a current duty of each first dimming block for driving a backlight unit, on the basis of pixel information of an image input through the input unit, identifying at least one second dimming block including at least one first dimming block in the input image on the basis of the pixel information of the input image, acquiring a current value of the second dimming value on the basis of a current duty of the first dimming block included in the identified second dimming block, and acquiring a driving signal for driving the backlight unit, on the basis of the current duty of each first dimming block and the current value of the second dimming block.

Abstract: A display device is provided. The display device includes a display configured to display at least one of an image and a text; a sensing unit configured to sense ambient illuminance; and a processor configured to gradually increase an output luminance value of the display, if a specific condition is satisfied based on the ambient illuminance sensed by the sensing unit and display attributes.

Abstract: Disclosed embodiments provide a durable keyboard that provides haptic feedback and configurable surface display that is brightly lit. The keyboard includes microelectromechanical systems (MEMS) for generating the key surface displays, such as one or more MEMS lasers and software-controllable scanning mirrors. The keyboard also includes an optical medium, having for example beam splitters, optical waveguides, and lenses, to divide each projected image among a number of keys, and route each divided portion to the correct key for display. Finally, the key contact circuitry and depressible keys themselves are designed to be transparent or translucent, so the respective image is shown with high contrast on the pressable surface of each key.

Abstract: A liquid crystal display device provided by the present invention includes a backlight source, a light path modulation box and a liquid crystal display panel. The light path modulation box is disposed on the backlight source. The light path modulation box is configured to modulate light emitted out from the backlight source such that backlight is emitted out along a direction perpendicular to the light path modulation box. The liquid crystal display panel is disposed on the light path modulation box. The backlight emitted by the backlight source passes through the light path modulation box and enters the liquid crystal display panel.

Abstract: The present disclosure relates to a method for driving a display device, a driving apparatus, a display device and a computer-readable medium. The method includes: determining backlight signal values of backlight partitions in a backlight module according to input grayscale values of pixels; adjusting the backlight signal values of the backlight partitions by performing peak stretching processing on the backlight partitions in the condition that a total power consumption of the adjusted backlight module is less than a power threshold of the backlight module; determining backlight signal values of the pixels; determining output grayscale values of the pixels according to the backlight signal values of the pixels and the input grayscale values of the pixels; driving a display panel to display an image according to the output grayscale values of the pixels; and driving the backlight module according to the adjusted backlight signal values of the backlight partitions.

Abstract: An LED dimming control circuit can include: a detection circuit configured to receive a dimming control signal, and to generate a detection signal for characterizing a type of the dimming control signal; and a dimming signal generation circuit configured to generate a dimming signal according to the detection signal and the dimming control signal, where a duty cycle of the dimming signal corresponds to the dimming control signal. A dimming control method can include: receiving a dimming control signal; detecting a number of rising or falling edges of the dimming control signal within a period of time to generate a detection signal; and determining a type of the dimming control signal in accordance with the detection signal.

Abstract: A method for detecting ambient light, includes: acquiring a detection signal of an ambient light sensor; acquiring a luminance level of a screen region corresponding to the ambient light sensor; and determining an intensity of the ambient light based on the detection signal of the ambient light sensor and the luminance level of the screen region corresponding to the ambient light sensor.

Abstract: A method and system for tone-mapping an image includes determining a tone-curve based on a model of image contrast distortion between the input image and a tone-mapped image and tone-mapping the input image according to the determined tone-curve. Determining the tone curve includes analytically calculating values of the tone-curve that reduce the image contrast distortion within the model of image contrast distortion. A tone-mapping operator includes a noise model generator and a tone-mapping module operable to receive one or more contextual parameters. The tone-mapping module includes an edge-stopping filtering submodule for extracting a base layer and detail layer of the input image, a tone-curve generating submodule and a combining submodule for combining the base layer and detail layer. At least one of the edge-stopping filtering submodule, the tone-curve generating submodule and combining submodule is adjustable based on the contextual parameters.

Abstract: A light-emitting mechanism comprises at least one LED, an optical unit disposed on the LED, and at least one dimming unit disposed on the optical unit and corresponding to the LED. The dimming unit includes a shading component disposed directly above the corresponding LED, the size of the shading component is greater than or equal to the size of the LED below the shading component, and the adjacent shading components are not contact with each other. The invention also provides a backlight module including the light-emitting mechanism.

Abstract: The present disclosure discloses a backlight module and a manufacturing method thereof. The backlight module includes: a light guide plate, a reflection structure arranged on one side of the light guide plate and a diffusion structure arranged on the other side of the light guide plate; the reflection structure being switchable between a reflection state that reflects light and a transmission state that transmits light; the diffusion structure being switchable between a scattering state that scatters light and a transmission state that transmits light. The present disclosure also relates to a display device comprising the backlight module.

Abstract: A display system includes a memory, a timing controller, a backlight module, a backlight controller, and a display array. The memory is configured to store a first look-up table and a second look-up table. The timing controller is configured to determine a target illumination value according to a target duty cycle of a backlight control signal and the first look-up table, and determine an original duty cycle according to the target illumination value and the second look-up table, and output the backlight control signal according to the original duty cycle. The backlight controller is configured to control the backlight module according to the backlight control signal. The display array is configured to cooperate with the backlight module to display an image.

Abstract: Disclosed are a display apparatus and a method of controlling the same. The display apparatus includes: a display including a panel configured to display an image on a screen; an optical sensor placed on a side of the panel opposite to the screen of the panel, and configured to detect an optical signal; and a processor configured to control the panel to display the image on the screen, and perform an operation based on a state of the panel and a detection value obtained by the optical sensor.

Abstract: A display device and a drive method, the display device including: an edge-lit backlight module; a liquid crystal display panel positioned on the light-emergent side of the edge-lit backlight module; and a polymer liquid crystal film positioned between the liquid crystal display panel and the edge-lit backlight module, and including a plurality of closely arranged independent dimming areas, each dimming area being configured for independent control of light transmittance. The present display device takes advantage of the characteristics of the polymer liquid crystal film, loading different driving voltages in different dimming areas and changing the transmittance of the polymer liquid crystal film.

Abstract: A smart mirror can show live or recorded streaming video of an instructor performing a workout in a package that is attractive and unobtrusive enough to hang in a living room. The smart mirror includes a mirror surface with a fully reflecting section and a partially reflecting section. A display behind the partially reflecting section shows the video when the smart mirror is on and is almost invisible when the smart mirror is off. The smart mirror also has a speaker, a microphone, and a camera to enable a user to view the video content and interact with the instructor. The smart mirror may connect to the user's smart phone, a peripheral device (e.g., a Bluetooth speaker) to augment user experience, a biometric sensor to provide biometric data to assess user performance, and/or a network router to connect the smart mirror to a content provider, an instructor, and/or other users.

Abstract: A liquid-crystal display includes a backlight layer and a backlight member. The backlight layer is formed with a first light transmitting hole. The backlight member is disposed at the first light transmitting hole, and the backlight member emits light and the light is projected on a region of the liquid-crystal display corresponding to the first light transmitting hole. A display pixel of the region of the liquid-crystal display corresponding to the first light transmitting hole is lower than that of a region of the liquid-crystal display outside the first light transmitting hole. In the region corresponding to the first light transmitting hole, a transparent region exists between adjacent pixels.