Patents Assigned to Display Technologies
  • Organic light emitting diode (OLED) display panel and method of fabricating same
    Patent number: 12029072
    Abstract: An organic light-emitting diode (OLED) display panel is provided, including an array layer. The array layer includes a first source electrode and a second source electrode that are disposed in contact with each other, and a first drain electrode and a second drain electrode that are disposed in contact with each other. The first source electrode and the first drain electrode are in contact with an active layer through via holes. The first source/drain electrode and the second source/drain electrode are disposed in contact with each other, thereby reducing a probability of abnormal via holes in a source/drain region and facilitating wiring in the source/drain region.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: July 2, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Weibin Zhang
  • Display panel, display device and debugging method thereof
    Patent number: 12027134
    Abstract: A display panel (20), a display device and a debugging method thereof are provided. The display panel (20) includes: a base substrate (1), including a display region (A) and a non-display region (B) surrounding the display region (A), the non-display region (B) including a binding region (C) located on one side of the display region (A); and a plurality of sub-pixels (2), located in the display region (A). Areas of pixel aperture regions of the plurality of sub-pixels (2) tend to increase in a direction from the binding region (C) to the display region (A).
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: July 2, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Shou Li, Xingliang Li, Liugang Zhou, Jian Zhang, Zhanchang Bu, Hui Zhang, Hongli Yue
  • Liquid crystal display panel, liquid crystal alignment method, and mobile terminal
    Patent number: 12025888
    Abstract: A liquid crystal display panel, a liquid crystal alignment method and a mobile terminal are provided. In a liquid crystal alignment process, an electrode layer receives an alignment voltage, and a pretilt angle of a liquid crystal molecule arranged corresponding to a branch electrode is less than a pretilt angle of a liquid crystal molecule arranged corresponding to a slit. Because an overall pretilt angle of liquid crystal molecules in a liquid crystal layer is increased and pretilt angles in a same domain of a subpixel are differentiated, a response time and viewing angle features of medium and low grayscale of the liquid crystal display panel can be improved.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: July 2, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jinming Liu, Yoonsung Um, Juncheng Xiao, Ji Li, Yun Yu, Xiaojin He, Qi Zhang, Chunxiao Hu
  • Method and structure for determining blocking ability of copper diffusion blocking layer
    Patent number: 12027462
    Abstract: A method and a structure for determining a blocking ability of a copper diffusion blocking layer are disclosed. The method includes: a step S1 of forming an a-Si semiconductor layer, the copper diffusion blocking layer, and a copper electrode layer on a glass substrate; a step S2 of forming a transparent electrode layer on the glass substrate; a step S3 of performing a high temperature deterioration process to the glass substrate; and a step S4 of observing a degree of forming the black copper-silicon alloy layer on a surface of a composite film layer sample of the glass substrate.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: July 2, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Xiaobo Hu
  • Detection method of crease degree of screen and visual detection device
    Patent number: 12025570
    Abstract: The present application provides a detection method of a crease degree of a screen and a visual detection device, the detection method includes: providing detection rays and obliquely irradiating the detection rays onto a surface to be measured of a folding screen; acquiring detection rays reflected by the surface to be measured of the folding screen to obtain a corresponding light source reflection image; analyzing the light source reflection image to obtain an evaluation index of an crease degree of the folding screen; and evaluating the crease degree of the folding screen.
    Type: Grant
    Filed: November 25, 2021
    Date of Patent: July 2, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yali Liu, Yongzhen Jia
  • Display panel and display device
    Patent number: 12029091
    Abstract: A display panel and a display device are provided. The display panel includes a main display region, a sub display region, a plurality of first pixel repeating units disposed in the main display region, and a plurality of second pixel repeating units disposed in the sub display region. A bend line boundary is firmed between the main display region and the sub display region. The bend line boundary includes a plurality of bending units. Each bending unit corresponds to at least one second pixel repeating unit, so that the pixel repeating units of the sub display region are consistent with the pixel repeating units at its edge, and a display difference is reduced.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: July 2, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Chujun Yi, Tao Chen
  • Display panel and mobile terminal
    Patent number: 12026331
    Abstract: A display panel and a mobile terminal are provided. The display panel includes a driving circuit layer, a fingerprint recognition sensor, and a light emitting device layer. The fingerprint recognition sensor is disposed on a side of the driving circuit layer, and the fingerprint recognition sensor is an ultrasonic sensor. The light emitting device layer is arranged on a side of the fingerprint recognition sensor away from the driving circuit layer.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: July 2, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shijuan Yi, Liang Sun, Mian Zeng, Pengfei Jiang, Likun Cheng
  • Foldable display device
    Patent number: 12028470
    Abstract: A foldable display device includes a folding module and a flexible display module. The folding module includes a first folding frame, a second folding frame disposed relatively to the first folding frame, and a connection structure connected to the first folding frame and the second folding frame. The connection structure includes a position restricting component. The first folding frame and the second folding frame are folded or unfolded relating to a shaft of the folding module. When the first folding frame and the second folding frame are completely unfolded, a position restricting angle between the first folding frame and the second folding frame is restricted by the position restricting component. A flexible display module is disposed on the first folding frame, the second folding frame, and the connection structure.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: July 2, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wenqiang Wang
  • DISPLAY PANEL, DISPLAY DEVICE, AND MANUFACTURING METHOD OF DISPLAY PANEL
    Publication number: 20240215379
    Abstract: A display panel, a display device, and a manufacturing method of the display panel are provided. The display panel includes a base substrate, a thin film transistor layer, a planarization layer, an anode layer, and a cathode layer. The anode layer includes an anode and a connection portion. A first protruding portion protrudes from the connection portion. The first protruding portion and the planarization layer form an undercut structure. The cathode layer is electrically connected to the connection portion. The undercut structure and the anode layer are formed simultaneously during being performed a patterning process, thereby reducing a number of photomasks.
    Type: Application
    Filed: July 29, 2022
    Publication date: June 27, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Fanjing Wu, Jingyuan Hu
  • LUMINANCE COMPENSATION METHOD AND DEVICE, READABLE STORAGE MEDIUM, AND DISPLAY DEVICE
    Publication number: 20240212600
    Abstract: The present disclosure provides a luminance compensation method and device therefor, a readable storage medium, and a display device, in the present disclosure, the luminance values of all the subpixels are obtained, and then the luminance value of the subpixel with the most serious aging degree among all the subpixels, that is, the minimum luminance value is obtained. Then, the minimum luminance value is compared with the standard luminance value to obtain the compensated luminance value, and then the compensated luminance value is used to drive all the subpixels, so that the uniformity of the luminance of the display device is improved.
    Type: Application
    Filed: May 26, 2022
    Publication date: June 27, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Fan TIAN
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240215312
    Abstract: A display panel and a display device are provided. The display panel includes a first transistor, a second transistor, and a first interlayer insulating layer between the first transistor and the second transistor. The first transistor includes a first active layer, and a material of the first active layer is an amorphous oxide semiconductor. The second transistor includes a second active layer, and a material of the second active layer is a polycrystalline oxide semiconductor.
    Type: Application
    Filed: December 30, 2022
    Publication date: June 27, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yunxi Liu
  • DISPLAY PANEL, DRIVING METHOD FOR THE DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240212643
    Abstract: A display panel, a driving method for the display panel and a display device. The display panel includes a gate driving circuit, the gate driving circuit includes shift registers of a plurality of stages arranged in sequence, the shift registers of the plurality of stages arranged in sequence are combined into N groups of gate driving sub-circuits, and shift registers in the N groups of gate driving sub-circuits are cascaded, respectively; an m-th group of gate driving sub-circuits in the N groups of gate driving sub-circuits comprises a shift register of an m-th stage and a shift register of an (m+L*N)th stage that are cascaded, where m is an integer that is greater than or equal to 1 and less than or equal to N, L is an integer that is greater than or equal to 1, N is an even number that is greater than or equal to 2.
    Type: Application
    Filed: October 28, 2021
    Publication date: June 27, 2024
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanping LIAO, Yingmeng MIAO, Seungmin LEE, Xibin SHAO, Shulin YAO, Yinlong ZHANG, Qiujie SU, Cong WANG, Dongchuan CHEN, Jiantao LIU
  • ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF, AND DISPLAY PANEL
    Publication number: 20240213260
    Abstract: An array substrate, a manufacturing method thereof, and a display panel are provided by the present application. The array substrate includes an active layer, a gate electrode and an interlayer insulation layer. A content of hydrogen in the interlayer insulation layer is greater than or equal to a content of hydrogen in the active layer, and the hydrogen in the interlayer insulation layer can be transferred to the active layer. A sheet resistance value of the active layer is less than 1000 ohm/square. Because the hydrogen in the interlayer insulation layer can directly diffuse and transfer to the active layer, the hydrogen content in the active layer can be increased to achieve the purpose of conductivity, thus eliminating the process of ion doping in the active layer, simplifying a preparation process of the array substrate, and improving comprehensive performance of the array substrate.
    Type: Application
    Filed: March 30, 2023
    Publication date: June 27, 2024
    Applicant: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shan LI, Juncheng XIAO, Bin ZHAO, Mingjiue YU, Lanlan LI, Qiang WANG
  • ARRAY SUBSTRATE AND DISPLAY PANEL
    Publication number: 20240213277
    Abstract: An array substrate and a display panel are provided in the present application. The array substrate includes a thin-film transistor area and a capacitance area located around the thin-film transistor area. The capacitance area includes a substrate, a first insulating layer and a first storage capacitor. The first insulating layer is arranged on the substrate. A plurality of first grooves are defined on the first insulating layer. The first storage capacitor includes a first electrode plate and a second electrode plate arranged opposite and insulated from the first electrode plate. The first electrode plate is arranged on the substrate. The second electrode plate is located at the side of the first insulating layer away from the substrate, and is partially filled in the first grooves.
    Type: Application
    Filed: December 30, 2022
    Publication date: June 27, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Qianyi ZHANG
  • COVER PLATE, MANUFACTURING METHOD THEREOF AND DISPLAY PANEL
    Publication number: 20240213414
    Abstract: A cover plate, a manufacturing method of the cover plate, and a display panel are provided. The cover plate covers the display panel and includes a cover plate body and an anti-reflection layer. The anti-reflection layer is provided with anti-reflection particles therein, and an orthographic projection of the anti-reflection particles in the display panel is completely located in a region of each sub-pixel unit. By accurately controlling the distribution position of the particles during the manufacturing process, each particle can completely fall in the corresponding region of each sub-pixel unit, and will not be distributed at a junction position between two adjacent sub-pixel units.
    Type: Application
    Filed: November 28, 2023
    Publication date: June 27, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Mingjun ZHOU, Guofu TANG, Pangling ZHANG
  • DISPLAY PANEL AND MANUFACTURING METHOD THEREOF
    Publication number: 20240213424
    Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a substrate, a first metal layer, a first insulating layer, and a dam layer arranged in a stack. The first metal layer includes a first signal wiring. A light-emitting unit is bonded to the first signal wiring through a solder paste in a first opening of the first insulating layer and a second opening of the dam layer. A side of the dam layer away from the substrate is higher than or equal to a side of the solder paste away from the substrate. This application can prevent the solder paste from overflowing.
    Type: Application
    Filed: July 16, 2021
    Publication date: June 27, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Liangfen ZHANG
  • DISPLAY PANEL
    Publication number: 20240215429
    Abstract: The present application discloses a display panel, wherein the driving circuit layer includes a first transistor and a second transistor, the first light-emitting unit is arranged on a side of the driving circuit layer away from the flexible substrate, and is connected to the first transistor, and the first light-emitting unit emits light from a side away from the flexible substrate; wherein the second light-emitting unit is disposed on a side of the flexible substrate away from the driving circuit layer, and is connected to the second transistor through a connection hole penetrating through the flexible substrate, and the second light-emitting unit emits light from a side away from the flexible substrate.
    Type: Application
    Filed: July 13, 2022
    Publication date: June 27, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Leitao Sun, Can Huang, Chunpeng Zhang, Wenxu Xianyu
  • DISPLAY DEVICE
    Publication number: 20240215397
    Abstract: A display device is provided. The display device includes: a flexible screen body including a planar area and a bending area connected to the planar area; a color filter disposed on the flexible screen body and at least covering the planar area; a protective layer disposed on the flexible screen body and at least covering a part of the bending area; and a coverplate disposed on the color filter and at least covering the planar area. The protective layer and the coverplate are arranged at intervals.
    Type: Application
    Filed: March 6, 2024
    Publication date: June 27, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jing ZHOU
  • PANEL STRUCTURE AND PREPARING METHOD THEREOF
    Publication number: 20240213374
    Abstract: Provided are a panel structure and a preparing method thereof. The panel structure comprises a glass substrate, a first insulating layer, a semiconductor device layer, and a second insulating layer. The second insulating layer coincides with the first device part in a direction perpendicular to a thickness of the glass substrate, and an energy band gap of a second material of the second insulating layer is less than an energy band gap of a first material of the semiconductor device layer.
    Type: Application
    Filed: November 29, 2023
    Publication date: June 27, 2024
    Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTD.
    Inventor: Cheng GONG
  • DISPLAY PANEL AND ELECTRONIC DEVICE
    Publication number: 20240215383
    Abstract: A display panel and an electronic device are provided in the present application. The display panel includes a driving substrate and a plurality of light-emitting units disposed on the driving substrate. A first electrode layer is disposed on a side of the driving substrate provided with the light-emitting units. The first electrode includes a cathode pattern, and a plurality of touch control units arranged in an array. The cathode pattern is insulated from the plurality of touch control units.
    Type: Application
    Filed: August 29, 2023
    Publication date: June 27, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Hanchen LIU, Zhibo DENG