Patents Assigned to Display Technologies
  • DRIVING CIRCUIT, DISPLAY DEVICE, AND DRIVING METHOD
    Publication number: 20240296775
    Abstract: A driving circuit, a display device, and a driving method are disclosed. The driving circuit includes a level conversion unit and a gate electrode driving unit; and the gate electrode driving unit is configured to sequentially shift and output a plurality of first gate scan signals by a first portion of the 2n gate signal output terminals in response to a first portion of the plurality of first output signals received at a first moment by a first portion of the plurality of second clock signal input terminals, and sequentially output a plurality of second gate scan signals by a second portion of the 2n gate signal output terminals in response to a second portion of the plurality of first output signals received at a second moment by a second portion of the plurality of second clock signal input terminals.
    Type: Application
    Filed: March 30, 2022
    Publication date: September 5, 2024
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenpeng MA, Shulin YAO, Yanping LIAO, Panhui ZHAO, Dongchuan CHEN, Pengfei HU, Zheng ZHANG, Yingmeng MIAO
  • GATE DRIVE CIRCUITS AND DISPLAY PANELS
    Publication number: 20240296770
    Abstract: A gate drive circuit includes a plurality of gate drive units. Each of the gate drive units includes a stage transmission signal selection circuit, a pull-up control circuit, a pulse number reduction circuit, a first inversion circuit, a first output stage, and a second output stage, and can output a second gate control signal with a greater number of pulses and a first gate control signal with a less number of pulses. At least one of the stage transmission signal selection circuit, the first inversion circuit or the second output stage includes three transistors with the same channel type.
    Type: Application
    Filed: April 6, 2024
    Publication date: September 5, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Bin YUAN, Fang QIN, Cheng CHEN
  • Display device
    Patent number: 12080218
    Abstract: A display device is provided, including a circuit board, a display panel, a plurality of clock signal lines, and a plurality of grounding resistors. Each clock signal line extends from the circuit board to a non-display area of the display panel. The plurality of grounding resistors are disposed on the circuit board. Each grounding resistor is connected to a corresponding clock signal line, and is configured to reduce a voltage value of high level of the clock signal.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: September 3, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Xiaohui Yao, Hua Fu, Zhida Xu
  • Display device and manufacturing method of display device
    Patent number: 12082444
    Abstract: The present application provides a display device and a manufacturing method thereof. The display device includes a transparent display region and a main display region. The display device further includes a pixel defining layer. The pixel defining layer includes a first pixel defining layer and a second pixel defining layer. The first pixel defining layer is positioned in the transparent display region. The second pixel defining layer is positioned in the main display region. An absorbance of the first pixel defining layer is less than an absorbance of the second pixel defining layer.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: September 3, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wanghui Guo
  • Viewing angle control liquid crystal panel and display device
    Patent number: 12078878
    Abstract: A viewing angle control liquid crystal panel includes: a first polarizer having a first absorption axis; a first liquid crystal panel including a first substrate, a first liquid crystal layer, and a second substrate; a second liquid crystal panel including a third substrate, a second liquid crystal layer, and a fourth substrate; and a third liquid crystal panel including a fifth substrate, a third liquid crystal layer, and a sixth substrate. The following equations are satisfied, where ?P1 is an azimuth angle of the first absorption axis and ?1, ?2, ?3, ?4, ?5, and ?6 are azimuth angles of directors of liquid crystal molecules on first, second, third, fourth, fifth, and sixth substrate sides: 0°?|?1??2|?5° 0°?|?P1??1|?5° 0°?|?3??4|?5° 0°?|?5??6|?5°.
    Type: Grant
    Filed: January 18, 2024
    Date of Patent: September 3, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Koji Murata, Akira Hirai, Takashi Satoh, Akira Sakai, Kiyoshi Minoura
  • Irregularly-shaped display panel and display device
    Patent number: 12082476
    Abstract: An irregularly-shaped display panel and a display device are disclosed. The irregularly-shaped display panel includes an encapsulation area arranged around an opening and an irregularly-shaped display area arranged around the encapsulation area. A plurality of undercut structures in the encapsulation area are spaced apart from each other. The undercut structures include at least one first undercut structure and at least one second undercut structure. The first undercut structure includes a continuous first undercut groove, and the second undercut structure includes a plurality of second undercut grooves separated from each other and a partition part located between the second undercut grooves.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: September 3, 2024
    Assignees: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yijia Wang, Ming Zhang, Ao Wang
  • Display panel
    Patent number: 12080233
    Abstract: An embodiment of the present application discloses a display panel. A pixel circuit includes a driving transistor, a data writing transistor, a storage capacitor, and a first restoring transistor. A gate electrode of the first restoring transistor is electrically connected to a second scanning line, a source electrode of the first restoring transistor is electrically connected to a first node, and a drain electrode of the first restoring transistor is electrically connected to a first restoring signal source, wherein the first restoring transistor is an oxide transistor, and the driving transistor and the data writing transistor are polysilicon transistors.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: September 3, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chao Dai, Bo Li
  • Display panel and method for fabricating same
    Patent number: 12082475
    Abstract: A display panel and a method for fabricating the same are provided. In the display panel, an undercut structure is formed below a second auxiliary electrode, so that a cathode electrode and a first auxiliary electrode have an overlapping region, and the cathode electrode and the first auxiliary electrode are connected.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: September 3, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Gaobo Lin
  • Organic compound, preparation method thereof, and display panel
    Patent number: 12082501
    Abstract: Embodiments of the present invention disclose an organic compound, a preparation method thereof, and a display panel. The organic compound is represented by the following general formula: wherein a structure of the organic compound includes at least one of Ar1, Ar2, Ar3, or Ar4, any one of Ar1, Ar2, Ar3 and Ar4 includes any one or a combination of hydrogen, an isotope of hydrogen, an aromatic group, an arylamine group, a heteroarylamine group, and a fused ring group. In the embodiments of the present invention, by adding other electron-donating groups on the basis of a structure of phenazine acridine, organic compounds with high mobility are obtained.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: September 3, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Keyan Bai
  • Active matrix substrate and liquid crystal display device
    Patent number: 12078903
    Abstract: An active matrix substrate includes: a thin film transistor located in each pixel region; and a pixel electrode electrically coupled with the thin film transistor. The thin film transistor includes a lower gate electrode, a lower gate insulating layer, an oxide semiconductor layer, an upper gate insulating layer, and an upper gate electrode. The width of an upper gate line electrically coupled with the upper gate electrode is greater than the width of a lower gate line electrically coupled with the lower gate electrode.
    Type: Grant
    Filed: August 24, 2023
    Date of Patent: September 3, 2024
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventors: Atsushi Hachiya, Hiroaki Furukawa, Yuhichi Saitoh
  • Display panel and display device
    Patent number: 12082457
    Abstract: A display panel and a display device are provided, which include a substrate, a plurality of data lines, a semiconductor layer, a first connecting hole, and a second connecting hole. The first connecting hole and the second connecting hole are positioned on two adjacent data lines, and the semiconductor layer in two adjacent areas has a mirror image arrangement with respect to a first direction. Therefore, connecting data signal lines to the semiconductor layer by bridging can be prevented, and problems of dense wirings, small adjustment space for pixel design, and greater crosstalk between circuits can be solved.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: September 3, 2024
    Assignee: Wuhan China Star Optelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Songpo Xiang, Jianlong Wu
  • Display panel and mobile terminal
    Patent number: 12081690
    Abstract: A display panel and a mobile terminal are provided. The display panel has an effective display area and a non-effective display area disposed in sequence. The non-effective display area has a transition area. Two adjacent first island-shaped structures in the effective display area are connected by bridge-shaped structures. The first island-shaped structures and the binding member in the non-effective display area are connected by the bridge-shaped structures in the transition area, and in a direction from the effective display area to the non-effective display area, a width value of the bridge-shaped structures in the transition area gradually increases.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: September 3, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Bingkun Yin
  • Display panel improving luminous efficiency of light-emitting device, and display module with the same
    Patent number: 12082471
    Abstract: A display panel and a display module are provided. The display panel has a plurality of first light-emitting devices displaying a first color, a plurality of second light-emitting devices displaying a second color, and a plurality of third light-emitting devices displaying a third color, wherein the display panel has a plurality of light-emitting repeating units, and at least one first sub-pixel of each of the plurality of light-emitting repeating units comprises at least two of the first light-emitting devices, the second light-emitting devices, or the third light-emitting devices, all of which are arranged in a stack.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: September 3, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wei Zou
  • Display panel and manufacturing method thereof
    Patent number: 12080543
    Abstract: A display panel includes a substrate, a first metal layer, and a first insulating layer, an oxide semiconductor layer, a second insulating layer, a second metal layer, a third insulating layer, and a third metal layer stacked on each other sequentially. The first insulating layer includes a first region and a second region adjacent to the first region, and a thickness of the second region is less than a thickness of the first region. A projection of at least a portion of the oxide semiconductor layer projected on the substrate overlaps with a projection of the first metal layer projected on the substrate. The third metal layer is connected to the first metal layer through a third via hole, and the third via hole is extended through the first insulating layer and the third insulating layer.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: September 3, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yuanpeng Chen, Yuanjun Hsu
  • Array substrate and method for fabricating same
    Patent number: 12080723
    Abstract: An array substrate and a method for fabricating the same are provided. The array substrate includes a base substrate, a pixel unit, and a spacer stacked sequentially. The pixel unit includes a main pixel electrode and a thin film transistor. The main pixel electrode includes a main electrode, a plurality of branch electrodes, and a plurality of connection lines. The main electrode includes a first strip electrode and a second strip electrode crossing each other. The branch electrodes extend diagonally from the main electrode. The connection lines extend from some of the branch electrodes and are electrically connected to the thin film transistor. A projection of the spacer and a projection of the connection lines on the base substrate do not overlap, and the two projections do not overlap in a direction parallel to the first strip electrode and a direction parallel to the second strip electrode.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: September 3, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jian Zhang, Chaofan Liu
  • Display panel and driving method thereof
    Patent number: 12079425
    Abstract: The present disclosure provides a display panel and a driving method thereof. The display panel includes a substrate, a light control device, a display device, and a touch device. The light control device, the display device, and the touch device are disposed on the substrate. Wherein, the light control device, the display device, and the touch device operate in a first time period, a second time period, and a third time period, respectively, and any two of the first time period, the second time period, and the third time period are not intersected.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: September 3, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Bao Zha
  • Color filter substrate, manufacturing method thereof, and display panel
    Patent number: 12082472
    Abstract: A color filter substrate, a manufacturing method thereof, and a display panel are provided. The color filter substrate includes a first substrate, a color resist layer, an overcoat layer, and a quantum dot layer, which are sequentially stacked. The color resist layer includes a plurality of sub-color resist layers with different colors arranged along a second direction, and there is no black matrix disposed between two adjacent sub-color resist layers. The quantum dot layer is divided into a plurality of quantum dot areas arranged along the second direction. A plurality of banks are disposed between and correspond to two adjacent quantum dot areas, and the banks are black.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: September 3, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Liangfen Zhang
  • Display panel and display device
    Patent number: 12080719
    Abstract: A display panel and a display device are provided. An array substrate of the display panel includes a first substrate, a first insulating layer, a second insulating layer, and a first transparent insulating layer. An absolute value of a difference between a refractive index of the first transparent insulating layer and a refractive index of the first insulating layer is greater than 0.1. An absolute value of a difference between the refractive index of the first transparent insulating layer and a refractive index of the second insulating layer is greater than 0.1. The first transparent insulating layer is added between the first insulating layer and the second insulating layer to cause a large refractive index difference, so color points of the display panel can be adjusted to meet requirements for different color point specifications without reducing gray scales of the display panel.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: September 3, 2024
    Assignee: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Hang Wang
  • Display panel and display device comprising translucent cathode layer, transparent cathode layer, and black cathode layer
    Patent number: 12082478
    Abstract: The present application provides a display panel and a display device. The display panel includes a substrate, a pixel definition layer, a light emitting layer, and a cathode layer. The pixel definition layer is disposed on a side of the substrate. The pixel definition layer includes a pixel aperture region and a non-pixel aperture region. The light emitting layer is disposed in the pixel aperture region. The cathode layer includes a black cathode layer. The black cathode layer covers the non-pixel aperture region. The black cathode layer is configured to absorb light to improve contrast and color purity of the display panel and the display device.
    Type: Grant
    Filed: May 18, 2021
    Date of Patent: September 3, 2024
    Assignees: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jiuhong Peng
  • Display panel and display device
    Patent number: 12079426
    Abstract: A display panel and a display device are provided. A touch control signal wiring layer in the display panel includes a plurality of signal wirings correspondingly connected to a plurality of touch control sensing blocks by one to one and extending to a bonding area. The present disclosure reduces a bezel size of the display panel and also prevents the signal wirings from occupying spaces of the touch control sensing blocks in a display area by disposing the touch control signal wiring layer and a touch control electrode layer in different layers and disposing at least a part of a fan-out area in the display area, thereby ensuring touch control performances.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: September 3, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jian Ye, Pengfei Liang