Patents Assigned to HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.
  • Publication number: 20230419918
    Abstract: A method for generating a chromaticity calibration compensation table is provided. The table is applied to a display panel having a plurality of pixel units. Each of the pixel units has a plurality of primary color sub-pixels. The method includes acquiring luminance information of the display panel, wherein the luminance information at least includes a mapping relationship and predetermined luminance data, wherein the mapping relationship is between pieces of actual chromaticity information and output grayscales of each of the primary color sub-pixels; according to predetermined color information in a predetermined chromaticity system and the predetermined luminance data, calculating pieces of ideal chromaticity information that the display panel should have when the display panel displays target grayscales with an ideal display effect; and matching the pieces of the actual chromaticity information and the pieces of the ideal chromaticity information to generate the table.
    Type: Application
    Filed: July 29, 2022
    Publication date: December 28, 2023
    Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Lu Liu
  • Patent number: 11853508
    Abstract: A touch panel and a touch device are provided. The touch panel includes a touch region and a bezel region. The touch region includes a plurality of transmit channels. The bezel region is disposed on an edge of the touch region. The bezel region includes a plurality of first traces, a plurality of second traces, and a plurality of conductive film layers. One of the conductive film layers connects one of the first traces and one of the second traces. The first trace and the second trace connected in parallel are connected to one of the transmit channels. A trace impedance of the bezel region in the touch panel can be reduced.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: December 26, 2023
    Assignee: Huizhou China Star Optoelectronics Display Co., Ltd.
    Inventors: Dongchen Huang, Yuexia Lin, Yinghui Wu
  • Patent number: 11854505
    Abstract: A display compensation method and device, and a display panel are disclosed. The display panel includes a plurality of pixel units each including a plurality of subpixels. The display compensation method includes obtaining original grayscale values of sub-images included in a pending image corresponding to the pixel units, and determining the sub-images whose original grayscale value is less than or equal to a grayscale threshold value as a target sub-image. The target sub-image is displayed through each of the subpixels of a target pixel unit corresponding to the target sub-image, and each of the subpixels of the target pixel unit has a grayscale value equal to a grayscale value of the target sub-image.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: December 26, 2023
    Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yonglei Zhang
  • Patent number: 11846837
    Abstract: The present invention provides a display device, including a display panel provided with an electromagnetic induction layer and a backlight module provided with a quantum dot film The quantum dot film contains a plurality of second-color quantum dots, a plurality of third-color quantum dots, and a plurality of magnetic particles. The electromagnetic induction layer is configured to generate a directional magnetic field to make the magnetic particles move directionally in the quantum dot film, and to make a density of the second-color quantum dots and the third-color quantum dots located in an edge area of the quantum dot film greater than a density of the second-color quantum dots and the third-color quantum dots located in a central area of the quantum dot film.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: December 19, 2023
    Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.
    Inventors: Xinyu Wang, Guofeng Kuang, Yuqing Geng
  • Patent number: 11830451
    Abstract: The present invention provides a full grayscale subjective consistency optical data obtaining method and a splicing display panel, an initial splicing display panel includes splicing and disposing first display panel (liquid crystal display panel) and second display panel in different types. The method includes: obtaining a plurality of bonding point colors, sets of reference bonding point optical parameters and sets of bonding point optical parameters of the first display panel and the second display panel corresponding to the bonding point colors respectively, and determining non-bonding point optical parameters in the second display panel corresponding to non-bonding point colors between adjacent two of the bonding point colors. A display image of the second display panel under effect of each set of the bonding point optical parameters is subjectively consistent with a display image of the first display panel under effect of a set of the reference bonding point optical parameters.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: November 28, 2023
    Assignee: Huizhou China Star Optoelectronics Display Co., Ltd.
    Inventors: Jun Zhao, Bin Zhao, Juncheng Xiao, Hongyuan Xu, Guangmiao Wan, Zhongbin Wang, Meinan Li, Maoxia Zhu, Yu Liu
  • Publication number: 20230367162
    Abstract: An array substrate and a liquid crystal display panel are provided. In the array substrate, a main pixel electrode includes a first vertical portion, a first horizontal portion, a plurality of first branch electrodes, and a plurality of second branch electrodes. An included angle between an extending direction of the first branch electrodes and an extending direction of the first vertical portion is a first included angle. And, a first sub-pixel electrode includes a second vertical portion and a plurality of first sub-electrodes. An included angle between an extending direction of the first sub-electrodes and an extending direction of the second vertical portion is a second included angle. The first included angle is less than the second included angle.
    Type: Application
    Filed: June 24, 2021
    Publication date: November 16, 2023
    Applicant: Huizhou China Star Optoelectronics Display Co., Ltd.
    Inventor: Dongchen HUANG
  • Patent number: 11741914
    Abstract: An array substrate and a display panel are disclosed in an embodiment of the present application. The array substrate includes a plurality of GOA units in cascade and a plurality of clock signal lines. The plurality of clock signal lines are arranged on one side of the GOA units and are arranged at intervals along a direction away from the GOA units. The plurality of GOA units are electrically connected to the plurality of clock signal lines, respectively. Wherein, a number of the GOA units electrically connected to each of the clock signal lines is equal. The array substrate reduces a resistance difference and a capacitance difference between the plurality of clock signal lines and alleviates a problem of dense horizontal lines by adjusting a number of stages of the GOA units.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: August 29, 2023
    Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.
    Inventors: Jie Li, Zhixiang Chen
  • Publication number: 20230266624
    Abstract: The present disclosure provides a thin film transistor device, a backlight module, and a display panel. The thin film transistor device includes a source portion, an active layer located on the source portion, a drain portion spaced apart from the source portion, and a conductor portion located on the active layer and extending to the drain portion. According to the present disclosure, the active layer is disposed on the source portion, and the drain portion is electrically connected to the active layer using the conductor portion, so that a current is transmitted from the drain portion to the active layer through the conductor portion.
    Type: Application
    Filed: May 31, 2021
    Publication date: August 24, 2023
    Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Daobing HU
  • Patent number: 11735111
    Abstract: Embodiments of the present disclosure are directed to a driving circuit, a driving method, and a display panel. The driving circuit includes a driving transistor, a writing module, a compensation module, a light-emitting control module and a light-emitting device. The driving transistor has a first gate connected to a first node, a second gate connected to a second node, a source connected to a first power supply terminal, and a drain connected to the third node. The writing module is connected to the first node and the third node. The compensation module is connected to the first node, the second node and the third node. The light-emitting control module is connected to the third node and the fourth node. An anode of the light-emitting device is connected to the fourth node, and a cathode of the light-emitting device is connected to the second power supply terminal.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: August 22, 2023
    Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Weijing Zeng, Chenglei Nie
  • Patent number: 11726362
    Abstract: A display panel, a display module, and a display device are provided. The display panel includes a base substrate, a plurality of pixel units, and a liquid crystal layer. A pixel electrode of each pixel unit includes a trunk electrode, and first branch electrodes and second branch electrodes disposed on both sides of the trunk electrode, respectively. Each pixel unit is divided into a first sub-region and a second sub-region by the trunk electrode. The liquid crystal layer includes a first liquid crystal region and a second liquid crystal region corresponding to the first sub-region and the second sub-region.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: August 15, 2023
    Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Jing Liu
  • Publication number: 20230238401
    Abstract: An embodiment of the application discloses a panel and a manufacturing method thereof. In the panel, a thin-film transistor layer, a first conductive layer, a light-emitting diode (LED), and a second conductive layer are sequentially disposed on a substrate. The LED includes a first end and a second end. The first end is disposed on the first electrode. The second end is disposed on the second electrode. The second conductive layer includes a first conductive portion and a second conductive portion. The first conductive portion is electrically connected to the first end and the first electrode. The second conductive portion is electrically connected to the second end and the second electrode.
    Type: Application
    Filed: July 9, 2021
    Publication date: July 27, 2023
    Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Macai Lu
  • Patent number: 11682356
    Abstract: The present disclosure discloses a driving method, a driving circuit, and a display device. The driving method includes: acquiring driving data that includes N-bit data; dividing the N-bit data into M groups of sub-bit data in sequence, wherein each group of the sub-bit data includes (N/M)-bit data, M is a positive divisor of N, and M is not 1 or N; and driving, by adopting a corresponding driving voltage and corresponding driving time, a corresponding light-emitting unit to emit light, according to each group of the sub-bit data.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: June 20, 2023
    Assignees: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jinfeng Liu
  • Patent number: 11644707
    Abstract: A viewing angle expansion film, a method for preparing the same, and a display device are provided. The viewing angle expansion film includes a first film layer having a flat layer, a plurality of first projections, and a plurality of second projections, and a second film layer disposed on the first film layer. The plurality of first projections and the plurality of second projections are arrayed on the flat layer. The second film layer is filled in gaps between the first projections and the second projections adjacent to the first projections, gaps between adjacent first projections, and gap between adjacent second projections. A refractive index of the second film layer is greater than a refractive index of the first film layer.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: May 9, 2023
    Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., TCL China Star Optoelectronics Technology Co., Ltd.
    Inventors: Guang Zeng, Yuan Shao, Yue Wang, Hongshan Yin
  • Publication number: 20230101607
    Abstract: A bend limiting device includes a flexible support film and limiting chains. The limiting chains are disposed on the flexible support film. Each of the limiting chains includes limiting blocks. Each of the limiting blocks includes limiting structures. One of the limiting structures of one of the limiting blocks is connected to one of the limiting structures of another one of the limiting blocks. When the bend limiting device is bent, two connected limiting structures of two adjacent limiting blocks limit a minimum value of an included angle formed between the two adjacent limiting blocks, so a radius of curvature of each of the limiting chains is limited to be greater than a preset value without being excessively bent. The bent limiting device protects a flexible display panel of a flexible display device from being improperly bent, so as to extend a lifespan of the flexible display device.
    Type: Application
    Filed: October 13, 2021
    Publication date: March 30, 2023
    Applicants: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD., SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xiaobo HU
  • Publication number: 20230004054
    Abstract: A liquid crystal display panel and a display device are provided. A first metal line is disposed on a first substrate of the liquid crystal display panel. An orthographic projection of the first metal line on a pixel electrode covers a first trunk electrode. A voltage difference V1 between the first metal line and a common electrode is small, so that a liquid crystal molecule corresponding to the first metal line does not deflect. In this way, a problem of an insufficient liquid crystal recovery force when the liquid crystal display panel is pressed is resolved, eliminating poor liquid crystal diffusion as a result of pressing and resulting in improving display quality.
    Type: Application
    Filed: July 28, 2021
    Publication date: January 5, 2023
    Applicants: Huizhou China Star Optoelectronics Display Co., Ltd., TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yani CHEN
  • Patent number: 11237439
    Abstract: The present application provides a display panel and a display device; at least one first interval and at least one second interval are defined between a plurality of light-shielding patterns of a first substrate of the display panel, a plurality of color films with different colors are disposed in different ones of the first intervals respectively; and a light-shielding member is disposed on a second substrate and opposite to the second interval. The present application realizes an anti-peep function by disposing an anti-peep structure between the first substrate and the second substrate, so as to alleviate a problem of complicated stacking structure of a current anti-peep film.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: February 1, 2022
    Assignee: HUIZHOU CHINA STAR OPTOELECTRONICS DISPLAY CO., LTD.
    Inventors: Dongchen Huang, Min Wang, Yuexia Lin