Hisense Electric Co., Ltd.

Hisense USA Corporation

Hisense International Co., Ltd.

Hisense Visual Technology Co., Ltd.

Hisense Hiview Tech Co., Ltd.

Hisense Group Co., Ltd.

Hisense Beijing Electric Co., Ltd.

Mingsheng Qiao

Weidong Liu

Fulin Li

Zhicheng Song

Jinlong Li

Yushuai Zhai

Nannan Zhang

Yuxin Zhang

Jianwei Cao

Xiao Li

Xingfeng Chen

Xiaowei Liu

Shunming Huang

Aichen Xu

Jia Yang

Zhenhua Pang

Xiaoping Li

Qiang Zhong

Lin Lu

Junyu Luo

Xiaoguang Xin

Guopeng Huang

Mingtao Liu

Shengfeng Hong

Disclosed in the present application is a display apparatus, including a backlight module and a display panel. The backlight module includes a light emitting diode. The display panel, disposed on a light emitting side of the backlight module, and configured to image display; wherein the backlight module comprises a LED board with one or more LEDs; and the LED board includes: a circuit board configured to provide power, and comprising a plurality of pads for soldering the one or more LEDs; a reflective coating, configured to cover the circuit board, and comprising a plurality of openings for exposing the plurality of pads; and the one or more LEDs, configured to be soldered on the plurality of pads in the plurality of openings.

Display apparatus

A display apparatus, comprising: a plurality of light sources arranged into an array, angle selection sheets on the light emitting sides of the light sources, and reflective layers on the sides of the light sources away from the angle selection sheets. The angle selection sheets are used for reflecting light rays of a first incident angle range and transmitting light rays of a second incident angle range, wherein an incident angle value corresponding to the first incident angle range is smaller than an incident angle value corresponding to the second incident angle range. The reflective layers can conduct diffuse reflection on the light rays reflected by the angle selection sheets and the light rays re-enter the angle selection sheets, so that light rays of a second incident angle subjected to the diffuse reflection are transmitted while light rays of a first incident angle repeat the described reflection operation.

A display apparatus, comprising a functional layer on the light emitting side of a light source and a diffusion plate. A support for the diffusion plate is arranged between the light source and the functional layer, a cushion portion is arranged between the support and the functional layer, and the cushion portion is in contact with the support and the functional layer. Pressure of the support on the functional layer is reduced by providing the cushion portion between the support and the functional layer.

Display apparatus with micro light emitting diode light board

A display apparatus includes a display panel and a backlight module. The backlight module includes: a back plate, a micro light emitting diode light board, and a diffusing plate bracket. The micro light emitting diode light board includes a plurality of through holes, the diffusing plate bracket is arranged in the through holes and fixed on the back plate via the through holes.

Disclosed is a display device comprising: at least one processor and a memory, wherein the memory stores therein computer readable instructions, wherein the at least one processor executes the computer readable instructions to: if an input image signal is received, adjust refresh frequency of the display device to the frequency of the input image signal, and generate an output image signal and a field sync signal according to the input image signal, wherein the filed sync signal and the input image signal are in sync with each other and have the same frequency; output a backlight driving signal at a rising edge of the field sync signal acting as a trigger edge, so that backlighting of the display device is synchronized with image display of the display device; and perform the image display according to the output image signal and provide the backlighting according to the backlight driving signal.

Display device and display method

A backlight drive voltage control device, comprising: a detecting unit connected to a controller, which detects the current states of the lamp strings of the divisions of the backlight sources of a liquid crystal screen, sends feedback signals to the controller; the controller which sends a voltage adjustment control signal to an AC to DC converter according to the feedback signals, and acquires the voltage adjustment amount of each lamp string according to the voltage adjustment control signal, selects lamp strings which voltage adjustment amounts are larger than the threshold, and sends the closing feedback control signal to the detecting unit; and the AC to DC converter which outputs corresponding voltages to the lamp strings according to the voltage adjustment control signal.

Backlight drive voltage control device, backlight drive voltage control method and television

A TV set including a liquid crystal panel, a processor-readable storage medium storing instruction units for providing the TV set functions to control backlight of the liquid crystal panel; and one or more processors in communication with the storage medium to execute the instruction units, wherein the instruction units include: an image information amount determining unit (); the backlight gain retrieving unit (); a backlight value extracting unit (); the backlight value processing unit (); and a backlight value transmitting unit (). Correspondingly a method of controlling backlight of a liquid crystal panel is further disclosed. In the technical solution of the disclosure, a backlight modulation coefficient can be modulated dynamically according to the amount of image information to perform backlight enhancement on an image with a large amount of information.

TV set, method of controlling backlight of liquid crystal panel and storage medium

The light emitting device includes a light emitting diode and an optical lens, the optical lens includes a light incidence surface and a light exit surface, the light incidence surface includes a first light incidence surface and a second light incidence surface, herein the ratios of the minimum ones to the maximum ones of the distances between respective points, on the first light incidence surface or the second light incidence surface, and the center of the light emission surface respectively belongs to [0.5, 0.7] or [0.683, 0.695]; and the convex surface includes a first light exit surface and a second light exit surface, herein the ratios of the minimum ones to the maximum ones of the distances between respective points, on the first light exit surface or the second light exit surface, and the center of the light emission surface respectively belongs to [0.771, 0.913], or [0.883, 0.921].

Light emitting device and backlight source

The disclosure discloses a light source assembly, a backlight module and a display device and relates to the field of display technologies, and the light source assembly includes a printed circuit board, an LED chip, and a glass tube in which a quantum dot material is filled, wherein a concave groove, on the bottom of which the LED chip is arranged, is arranged on the surface of the printed circuit board, a part or all of the glass tube is accommodated in the concave groove, and the glass tube is fixed in the concave groove.

Light source assembly, backlight module and display device

Embodiments of the application provide a brightness compensating method and a self-illuminating display device. The brightness compensating method includes: retrieving a table of compensation parameters pre-stored in the self-illuminating display device, which includes compensation parameters of the N zones, where a compensation parameter of a zone at higher temperature than the temperature in the reference zone is smaller than G, and a compensation parameter of a zone at lower temperature than the temperature in the reference zone is larger than G; and compensating for the brightness of an image displayed in each of the N zones according to the compensation parameters. The embodiments of the application can be applicable to compensation for the brightness of the self-illuminating display device.

Brightness compensating method and self-illuminating display device

The present disclosure provides a backlight driving method and device and a display device, wherein the backlight includes a plurality of backlight scanning areas, each luminous body corresponding to each backlight scanning area is driven independently, including: acquiring display gray scale of a current frame of image and that of a previous frame of image in a backlight scanning area; determining a first backlight duty ratio according to the display gray scale of the current frame and that of the previous frame; if black frame insertion time in the first backlight duty ratio is smaller than a first black frame insertion time, acquiring a second backlight duty ratio, wherein black frame insertion time in the second backlight duty ratio is not less than the first black frame insertion time; determining drive timing of the luminous bodies in the current frame according to the second backlight duty ratio.

Driving backlight method, display device and storage medium

Embodiments provide a backlight control method and device and a liquid crystal display device, which relate to the liquid crystal display field and are used to achieve the purposes of meeting the requirements on different image quality enhancements in different display regions of the liquid crystal screen and improving the display quality and the sense of display layering of pictures. The method comprises: dividing n backlight subregions into m backlight regions; acquiring an average backlight value of each backlight region among the m backlight regions; searching, from a pre-acquired gain search table, a gain value corresponding to the average backlight value of each backlight region among the m backlight regions; adjusting backlight values of backlight subregions contained in each backlight region correspondingly according to the gain value corresponding to each backlight region; and outputting adjusted backlight values of the n backlight subregions. The embodiments are applicable to backlight adjustment scenes.

Backlight control method and device and liquid crystal display device

A method for compensating the brightness of a liquid crystal module involves acquiring an image of a liquid crystal module to obtain the acquired image. The acquired image of the liquid crystal module is compared with a standard image to find a dark region. The compensation coefficient of each pixel in the dark region is calculated. In a display control circuit of the liquid crystal module, the calculated compensation coefficient of pixels is stored for compensating the backlight unit corresponding to pixels in dark region.

Method, device and system for compensating brightness of a liquid crystal module

The present invention discloses a liquid crystal display method, which can adjust the brightness of different segments of backlight according to the different images. Especially, the present invention discloses a liquid crystal display method, which includes: receiving a image signal; analyzing the image signal; dividing the image into at least two image segments according to the analysis result of the image signal; dividing the backlight into at least two backlight segments according to the division result of the image; adjusting the brightness of the backlight in each backlight segment; adjusting the image signal in each image segment. The liquid crystal display method of the present invention divide the image and the backlight according to the image signal, while adjusting the brightness of the image and backlight in each segment to not only decrease the power consumption of the liquid crystal display, but also increase the contrast of the image signal, thereby improving the effect of liquid crystal display.

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Qingdao, China

Mingsheng Qiao