Patents Assigned to Display Technologies
  • Patent number: 11922851
    Abstract: A method includes: dividing a display area of a display panel into multiple sub-display areas distributed in an array; selecting at least two sub-display areas as reference sub-display areas, the reference sub-display areas being adjacent and one reference sub-display area includes a target sub-pixel to be compensated; determining a weight factor for each reference sub-display area according to a distance between a center point of the target sub-pixel and a center point of the reference sub-display area and a distance between center points of adjacent reference sub-display areas; calculating a weighted sum of average luminance values of the reference sub-display areas under a target grayscale value with the weight factors for the reference sub-display areas to obtain a target luminance value of the target sub-pixel under the target grayscale value; determining a compensation grayscale value of the target sub-pixel under the target grayscale value according to the target luminance value.
    Type: Grant
    Filed: April 7, 2023
    Date of Patent: March 5, 2024
    Assignee: KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER CO., LTD.
    Inventors: Chunhui Ren, Xiaokang Zhou
  • Patent number: 11923397
    Abstract: The present invention discloses a micro light emitting diode display substrate and a manufacturing method thereof. The substrate includes an underlay substrate, a thin film transistor and a micro light emitting diode disposed on a top surface of the underlay substrate and connected to each other, a first metal film layer disposed on a bottom surface of the underlay substrate and at least formed with fanout circuit pattern and a side printed bonding pad. The fanout circuit pattern is connected to the side printed bonding pad, the side printed bonding pad is connected to the thin film transistor through a side wire such that after the display substrate is assembled with a bezel, a top surface display pixel region can maximally approach the bezel, to achieve bezel-less effect.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: March 5, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Macai Lu, Yong Fan, Minggang Liu, Nian Liu, Jiangbo Yao
  • Patent number: 11921375
    Abstract: A mini light-emitting diode (mini-LED) backlight module, a manufacturing method thereof, and a display panel are provided. A plurality of backlight partitions are defined on a flexible substrate to improve brightness uniformity. A plurality of mini-LEDs arranged in an array in each of the backlight partitions are formed into parallel modules, so that a driving voltage and current of the backlight module can be within an appropriate range. The flexible substrate is further arranged with a first metal pattern, and signals can be independently input to each of the mini-LEDs through each of first sub-metal patterns, reducing metal trace resistance of the backlight module, and further improving brightness uniformity of the backlight module.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: March 5, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zhuhui Li
  • Patent number: 11925050
    Abstract: A method of manufacturing a display panel includes fabricating a display portion on a glass substrate; adhering a protection film on the glass substrate outside the display portion, and the protection film having an opening accommodating the display portion; forming an encapsulation film on the protection film and the display portion; and obtaining a panel area by removing the protection film and the encapsulation film outside a predetermined limited area on the glass substrate. The predetermined limited area corresponds to the display portion.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: March 5, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Lei Zhao
  • Patent number: 11921378
    Abstract: The present disclosure relates to an electrode structure and a display panel. The electrode structure includes: first and second electrode portion and a conductive connection portion. The first electrode portion includes a first connection bar and first electrode bars. The first connection bar has a first side and a second side. The first electrode bars are located on the first side and connected to the first connection bar, and ends of adjacent first electrode bars away from the first connection bar are in an open shape. The second electrode portion includes a second connection bar and a second electrode bars. The second connection bar has a third side and a fourth side. The second electrode bars are located on the third side and connected to the second connection bar, and ends of adjacent second electrode bars away from the second connection bar are in an open shape.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: March 5, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yifu Chen, Yingying Qu, Ting Dong, Jianhua Huang, Lingdan Bo, Feng Qu
  • Patent number: 11925095
    Abstract: The present application discloses a display panel and a display device. The display panel includes pixel areas and transmitting areas in a first display area. The display panel further includes a light-emitting unit layer including light-emitting units, an auxiliary layer, a first electrode layer covering the light-emitting unit layer and at least part of the auxiliary layer, and a transparent auxiliary electrode layer at least covering part of the auxiliary layer and electrically connected to the first electrode layer. A thickness of the first electrode layer on the auxiliary layer is less than a thickness of the first electrode layer on the light-emitting unit layer.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: March 5, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Meng Jin, Lei Lv, Tao Yuan, Jinchang Huang
  • Patent number: 11921387
    Abstract: The present invention provides a display panel and a display device using the display panel. By connecting a plurality of second scan lines in parallel, resistance between output terminals of chips on film (COF) and first scan lines are reduced, and differences between output resistances of the COF corresponding to different first scan lines are reduced, so differences between signals in different first scan lines are reduced, and uneven display problems in existing display panels are solved.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: March 5, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Bangqing Xiao, Sen Xu
  • Patent number: 11921545
    Abstract: A display device is provided and includes: a case assembly, a first supporting component, a second supporting component disposed to be slidable relative to the first supporting component, and a transmission mechanism connected to the second supporting component; and a flexible display screen laying on one side of the first supporting component and one side of the second supporting component, a first end of the flexible display screen connected to one end of the second supporting component far away from the first supporting component, and a second end of the flexible display screen connected to the transmission mechanism.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: March 5, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zikang Feng
  • Patent number: 11922885
    Abstract: The present application discloses a display panel, a display driving method for display panel, and a display apparatus. The display panel includes a plurality of rows of pixel circuits; a gate drive circuit configured to be switched between a first drive mode and a second drive mode, wherein the first drive mode comprises that the gate drive circuit provides gate signals to n rows of the pixel circuits simultaneously, and the second drive mode comprises that the gate drive circuit provides gate signals to m*n rows of the pixel circuits simultaneously, wherein n is a positive integer, and m is an integer greater than or equal to 2.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: March 5, 2024
    Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shimeng Lv, Jingxiong Zhou, Wang Yu, Zuoyang Wu
  • Patent number: 11925090
    Abstract: An OLED display panel and a display device are provided. A photoresist structure of a color filter layer is a stack of two defining layers, a sloped surface is defined between corresponding defining areas of two defining layers, and a color resist unit of the color filter layer is formed in corresponding color resist defining areas and corresponds to a light-emitting unit, which reduces a usage of color filter materials and prevents solvent volatilizing to the environment by using solvent-free color filter materials.
    Type: Grant
    Filed: June 23, 2020
    Date of Patent: March 5, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Lei Wang
  • Patent number: 11922895
    Abstract: A liquid crystal display panel, a driving method, and a terminal thereof are disclosed. The display panel includes a pixel structure including data lines and scan lines, wherein each data line is connected to at least two pixel groups, and each pixel group includes three sub-pixels having different colors sequentially connected to the data lines; and a first driving unit electrically connected to the scan lines and inputting scan signals to the scan lines in a preset order to solve a problem of horizontal bright and dark lines.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: March 5, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yoonsung Um, Lixia Li, Bangyin Peng, Yingchun Zhao, Fen Long, Qiqi Zhang
  • Patent number: 11921391
    Abstract: A display panel including a thin film transistor array substrate, a color filter substrate, a gold ball, a color resist bump, a first transparent electrode, and a second transparent electrode is provided. The first transparent electrode covers the color resist bump and is connected to the second transparent electrode at a top of the color resist bump. The display panel disclosed in the present invention improves stability of a common electrode signal by constructing a new electrode signal channel, and prevents a technical problem of horizontal crosstalk on the display panel.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: March 5, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zhan Li
  • Patent number: 11923380
    Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a base substrate, a first active layer, a first gate insulating layer, a first gate layer, and a second gate insulating layer stacked in sequence on the base substrate, and a metal layer, a first interlayer dielectric layer, a first source, and a first drain. A first metal portion and a second metal portion of the metal layer are respectively filled in a first through hole and a second through hole of the second gate insulating layer and are electrically connected to the first active layer.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: March 5, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jiaqing He, Jixiang Gong, Hao Peng
  • Patent number: 11922878
    Abstract: A display panel includes: a pixel circuit, and a light-emitting element, that the pixel circuit includes a driving transistor configured to provide a driving current for the light-emitting element; a working process of the pixel circuit includes a data writing stage, in which a gate of the driving transistor receives a data signal, and a bias adjustment stage, in which a source or drain of the driving transistor receives a bias adjustment signal; and the pixel circuit has a frame refresh frequency F1, and a data refresh frequency including a first data refresh frequency F11 and a second data refresh frequency F22, that at least one second data refresh period includes N11 bias adjustment stages, a bias adjustment signal V11 is inputted in a first bias adjustment stage, and a bias adjustment signal Vi is inputted in an i-th bias adjustment stage, where V11?Vi.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: March 5, 2024
    Assignee: XIAMEN TIANMA DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yuheng Zhang
  • Patent number: 11921377
    Abstract: Provided is an optical element including: a liquid crystal cell including a first substrate, a liquid crystal layer, and a second substrate; and a quarter-wave film. The liquid crystal layer contains liquid crystal molecules twist-aligned. The liquid crystal cell includes electrodes. The electrodes are disposed to enable switching between a first state and a second state by application of voltage to the liquid crystal layer. The switching between the first state and the second state controls a polarization state of light incident on the liquid crystal cell. Circularly polarized light incident on the liquid crystal cell is converted to first linearly polarized light in the first state while converted to second linearly polarized light in the second state. Linearly polarized light incident on the liquid crystal cell is converted to first circularly polarized light in the first state while converted to second circularly polarized light in the second state.
    Type: Grant
    Filed: November 30, 2022
    Date of Patent: March 5, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Daisuke Minami, Hiroaki Asagi, Kiyoshi Minoura
  • Patent number: 11922894
    Abstract: Provided are a driving method of a display apparatus, a driving apparatus, an electronic device and a storage medium. The display apparatus includes a first display panel and a second display panel disposed on a light-emitting side of the first display panel, wherein the first display panel is divided into a plurality of pixel blocks; and the driving method includes: acquiring an angle between a user's eye and each pixel block and initial brightness data corresponding to the first display panel; determining misalignment information corresponding to each pixel block according to the angle between the user's eye and each pixel block; correcting the initial brightness data according to the misalignment information corresponding to each pixel block to obtain corrected brightness data; and outputting the corrected brightness data to the first display panel.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: March 5, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Chunbing Zhang
  • Patent number: 11925099
    Abstract: A flexible substrate, a manufacturing method thereof, and a flexible display device are provided. The method includes: step S10, forming a first aerogel layer with a cross-linked structure and a nanoporous structure on a substrate; step S20: forming an inorganic layer on the first aerogel layer; step S30, forming a second flexible substrate layer on the first aerogel layer, and allowing the second flexible substrate layer to cover the inorganic layer; and step S40, peeling the first aerogel layer, the inorganic layer, and the second flexible substrate layer from the substrate to form the flexible substrate.
    Type: Grant
    Filed: October 14, 2020
    Date of Patent: March 5, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Linshuang Li
  • Patent number: 11921388
    Abstract: Provided are an array substrate and a manufacturing method thereof, and a display device. The array substrate comprises a plurality of data lines and sub-pixels. At least one sub-pixel comprises: a first insulating layer; a gate; an active layer located on one side of the first insulating layer away from the gate; a pixel electrode; a first electrode located connected to the active layer and in contact with the pixel electrode; a second electrode connected to the active layer and a data line; a second insulating layer having a first opening, wherein the orthographic projection of the first opening partially overlaps with the orthographic projections of the pixel electrode and the first electrode; a connection electrode in contact with the pixel electrode and the first electrode through the first opening; and a common electrode located on one side of the second insulating layer away from the pixel electrode.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: March 5, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Wenjie Hou, Yingmeng Miao, Qiujie Su, Chongyang Zhao, Feng Qu
  • Patent number: 11921376
    Abstract: A liquid crystal display panel includes: a first base, a second base disposed opposite to the first base, a liquid crystal layer and a first optical compensation layer that are disposed between the first base and the second base, and a second optical compensation layer disposed on a side of the first base away from the liquid crystal layer or on a side of the second base away from the liquid crystal layer. An orthogonal projection of an optic axis of the first optical compensation layer on the first base is parallel to orthogonal projections of optic axes of liquid crystal molecules in the liquid crystal layer on the first base. An orthogonal projection of an optic axis of the second optical compensation layer on the first base is perpendicular to the orthogonal projection of the optic axis of the first optical compensation layer on the first base.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: March 5, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Lintao Ji, Feifei Wang, Kaixuan Wang, Hongming Zhan, Bowen Li, Jiao Li, Xibin Shao
  • Patent number: 11925039
    Abstract: The present disclosure provides an optical-sensing device, a manufacturing method thereof, and a display panel. The optical-sensing device includes a sensor TFT disposed on a substrate and a switch TFT connected with the sensor TFT. The sensor TFT and the switch TFT include a first active layer and a second active layer, the first active layer comprises a first IGZO layer and a perovskite layer disposed on the first IGZO layer, and the second active layer comprises a second IGZO layer.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: March 5, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Haijun Wang