Patents Assigned to Display Technologies
  • Patent number: 12287439
    Abstract: An X-ray image capturing apparatus includes a photoelectric conversion element, a TFT, a gate drive circuit, a control circuit, and a filter section. The TFT is connected to the photoelectric conversion element. The gate drive circuit supplies a gate signal to a gate electrode of the TFT. The control circuit supplies a control signal to the gate drive circuit. The filter section attenuates a component of the gate signal or the control signal that has a frequency lower than a prescribed frequency.
    Type: Grant
    Filed: March 23, 2023
    Date of Patent: April 29, 2025
    Assignee: Sharp Display Technology Corporation
    Inventor: Kohzoh Takahashi
  • Patent number: 12287547
    Abstract: Each pixel of the liquid crystal display device includes a first, second, third, and fourth domains arranged in two rows and two columns, and reference alignment directions of the respective domains are first, second, third, and fourth directions. The first direction and the second direction form an angle of approximately 180°, and the first domain and the second domain are adjacent to each other in an oblique direction. The pixel electrode includes a plurality of first slits formed in a region corresponding to the first domain and extending approximately parallel to the first direction, and a plurality of second slits formed in a region corresponding to the second domain and extending approximately parallel to the second direction, and has no slits in a region corresponding to the third domain and no slits in a region corresponding to the fourth domain.
    Type: Grant
    Filed: March 11, 2024
    Date of Patent: April 29, 2025
    Assignee: Sharp Display Technology Corporation
    Inventor: Mitsuaki Hirata
  • Patent number: 12289957
    Abstract: A display panel and a manufacturing method are provided. The present disclosure can reduce process steps of the display panel by disposing a first source electrode and a first drain electrode of a low temperature polysilicon thin film transistor and a second source electrode and a second drain electrode of an oxide thin film transistor in a same layer. Therefore, stability of the oxide thin film transistor can be improved, a channel length of the oxide thin film transistor can be shortened correspondingly, resolution of the display panel can be improved, and a thickness of the display panel can be reduced.
    Type: Grant
    Filed: May 27, 2021
    Date of Patent: April 29, 2025
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Macai Lu
  • Patent number: 12287550
    Abstract: The present application provides an array substrate and a display panel. By arranging an auxiliary electrode in a second electrode layer that is in a different layer from the pixel electrode, an aperture ratio of a pixel can be increased. In addition to that, a capacity of the storage capacitor can be increased, thereby solving a problem that the display panel is prone to flickering.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: April 29, 2025
    Assignee: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTD.
    Inventor: Xiaobin Hu
  • Patent number: 12289845
    Abstract: A supporting plate and a foldable display device are provided. The supporting plate includes at least one bending region and non-bending regions. The bending region includes two semi-bending regions bent symmetrically along a bending axis. Any of the semi-bending regions includes an internally bending region and an externally bending region. The internally bending region is located on an end away from the non-bending regions. The externally bending region is located on an end close to the non-bending regions and has a bending direction opposite to the internally bending region. The semi-bending regions include a plurality of openings spaced apart. A distribution density of the openings in the internally bending region is greater than a distribution density of the openings in the externally bending region.
    Type: Grant
    Filed: February 29, 2024
    Date of Patent: April 29, 2025
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yafei Fu, Yapeng Cheng
  • Patent number: 12288718
    Abstract: A separating device and a method of separation are disclosed. The separating device and the method of separation are for separating a flexible substrate fixed on a carrier substrate having a first divided area and a second divided area, the flexible substrate includes an effective area defined corresponding to the first divided area and an ineffective area defined corresponding to the second divided area. The separating device comprises: a movable platen, for raising the second divided area, thereby partially separating the carrier substrate from the flexible substrate, and thereby forming a slit; a separating sheet, for separating the flexible substrate along the slit, thereby separating the effective area of the flexible substrate from the first divided area of the carrier substrate; and a suction head, for removing the separated flexible substrate from the carrier substrate.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: April 29, 2025
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Kaijun Wang
  • Patent number: 12287555
    Abstract: A photosensitive device and a display panel are provided. The photosensitive device includes a substrate and a photosensitive functional layer. The photosensitive functional layer includes a thin film transistor layer and a quantum dot layer. The quantum dot layer is configured to emit an excitation light under an excitation of an external light. A photo-generated current efficiency of the photosensitive device can be improved, and stability and versatility of the photosensitive device can also be improved.
    Type: Grant
    Filed: December 14, 2020
    Date of Patent: April 29, 2025
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Haijun Wang, Xin Zhang, Miao Jiang, Jiangbo Yao
  • Patent number: 12289977
    Abstract: A display panel, a method of manufacturing a display panel, and a display terminal are provided. Each of the light-emitting device includes a first electrode and a second electrode; the auxiliary wiring comprises a composite metal layer structure, side opening of the auxiliary wiring form an undercut structure, and the second electrode extends into the groove and electrically connects with the auxiliary wire by contacting a portion of metal layers in the undercut. The implementation of the present application can achieve electrical connection between the second electrode of the light-emitting device and the auxiliary wiring without additional manufacturing processes or photomasks.
    Type: Grant
    Filed: September 26, 2021
    Date of Patent: April 29, 2025
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jia Tang
  • Publication number: 20250133905
    Abstract: A display panel includes a silicon substrate and an oxide transistor layer disposed on a side of the silicon substrate. The silicon substrate includes a single-crystal silicon transistor, and the oxide transistor layer includes an oxide transistor electrically connected to the single-crystal silicon transistor.
    Type: Application
    Filed: June 14, 2023
    Publication date: April 24, 2025
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Mian ZENG
  • Publication number: 20250131893
    Abstract: A display panel includes a plurality of data lines, a plurality of first sub-pixels and at least one second sub-pixel connected to the same data line. The at least one second sub-pixels are disposed between the plurality of the first sub-pixels, and compensation method of the display panel includes controlling each of the first sub-pixels to load a corresponding one of first data voltages in a first period, wherein a plurality of the first data voltages are in a first voltage interval and controlling each of the at least one second sub-pixel to load a corresponding one of second data voltages in a second period, wherein the plurality of second data voltages are in a second voltage interval, the second period does not overlap with the first period, and the second voltage interval does not overlap with the first voltage interval.
    Type: Application
    Filed: December 7, 2023
    Publication date: April 24, 2025
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jhenwei HE, Xingwu MA, Guanxian HE, Chaoping LI, Jianmin NIE, Qian WANG, Yuhua CHANG
  • Publication number: 20250130470
    Abstract: An embodiment of the present application discloses an array substrate and a display panel. In the array substrate, second line segment includes a connection portion and a wiring portion. The second signal line includes a third line segment. The third line segment and second line segment are in the same layer and are disposed adjacently on a first insulation layer. The third line segment is connected to a gate driver circuit unit, connection portion is connected to a first line segment. The wiring portion is connected to the connection portion and the gate driver circuit unit. A second insulation layer covers the first insulation layer, the third line segment, and the second line segment. A barrier wall is disposed on a side of the second insulation layer away from the substrate. A boundary of the barrier wall covers one of the connection portion and the third line segment.
    Type: Application
    Filed: December 15, 2023
    Publication date: April 24, 2025
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wenxiong ZHONG
  • Publication number: 20250133942
    Abstract: A display device including a display panel and a support layer is provided. The display panel has a light-transmitting area and a bonding area. The support layer includes a first support layer and a second support layer, where the first support layer has a first portion corresponding to the light-transmitting area, the second support layer has a second portion corresponding to the bonding area, and an optical phase retardation coefficient of the first portion is less than an optical phase retardation coefficient of the second portion.
    Type: Application
    Filed: December 24, 2024
    Publication date: April 24, 2025
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yunti ZHANG, Dong ZHAN, Hanning YANG, Xin LIU
  • Publication number: 20250133828
    Abstract: A display panel and a method of manufacturing a display panel are provided. The display panel includes: a substrate; a first transistor disposed on the substrate, the first transistor including a first source and a first drain; and a second transistor disposed on the substrate, the second transistor including a second source and a second drain. The first source and the first drain have two metal sub-layers respectively, and the second source and the second drain have three metal sub-layers respectively. Since the first transistor and the second transistor are both included in the display panel, the advantages of the first transistor and the second transistor are respectively utilized, thereby ensuring that the requirements of different thin film transistors for each circuit unit in the display panel are met.
    Type: Application
    Filed: September 30, 2024
    Publication date: April 24, 2025
    Applicant: Guangzhou China Star Optoelectronics Semiconductor Display Technology Co., LTd.
    Inventors: Zhihui CAI, Shimin GE, Wei WU
  • Publication number: 20250131863
    Abstract: A gate driving circuit includes a gate driving unit arranged in a multi-stage cascade. The gate driving unit includes a pull-up control module, a pull-up node, a first output module, a second output module, a pull-down control module, a first pull-down module, a pull-down node, a second pull-down module, and a pull-down maintenance module. The pull-up control module is configured to pull up a potential of the pull-up node under a control of a first clock signal input at a first clock signal input terminal. The pull-down control module is configured to pull up a potential of the pull-down node under a control of the first clock signal. The first pull-down module is configured to pull the potential of the pull-down node down to a potential of the first clock signal under a control of the potential of the pull-up node.
    Type: Application
    Filed: December 7, 2023
    Publication date: April 24, 2025
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Xiang ZHOU, Baixiang HAN, Guangyao LI
  • Patent number: 12284870
    Abstract: The present application relates to the technical field of display, and discloses an OLED display panel and a display device. The OLED display panel includes a drive backplane; and an OLED device, an encapsulation structure and a color resistor structure which are arranged on the drive backplane; the encapsulation structure and the color resistor structure are located on a side, facing away from the drive backplane, of the OLED device, and the color resistor structure includes a chromatic color resistor layer, a first BM and a second BM; and the first BM is located on a side, facing away from the drive backplane, of the chromatic color resistor layer, and the second BM is located on a side, facing the drive backplane, of the chromatic color resistor layer.
    Type: Grant
    Filed: January 18, 2024
    Date of Patent: April 22, 2025
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chuanxiang Xu, Shi Shu, Qi Yao, Guangcai Yuan, Yang Yue, Haitao Huang, Yong Yu
  • Patent number: 12284899
    Abstract: The present application provides a display panel and a display device, the display panel includes a first display area and a second display area, wherein a light emitting layer of the display panel includes a plurality of first pixels disposed in the first display area and a plurality of second pixels disposed in the second display area, and in the first display area, a first opening is provided between a second electrode layer and adjacent first pixels, so as to improve a light transmittance of the first display area, and alleviate a problem of a poor light transmittance of a display screen in which a conventional under-screen camera technology is applied.
    Type: Grant
    Filed: February 14, 2022
    Date of Patent: April 22, 2025
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Meng Jin, Lei Lv, Lin Yang
  • Patent number: 12283766
    Abstract: In a housing of a connector, there is formed an opening to be fitted with a protruding portion formed on a flat cable in a state in which a terminal section of the flat cable is electrically connected with contactors of a contact portion in an opening space.
    Type: Grant
    Filed: November 7, 2022
    Date of Patent: April 22, 2025
    Assignee: Sharp Display Technology Corporation
    Inventors: Naoki Hosoya, Chengfu Chen, Akira Ieyama
  • Patent number: 12282621
    Abstract: A touch panel system includes a touch panel including a drive electrode, a position detection electrode, and a pressure detection electrode, and a controller configured to impart a drive signal to the drive electrode and acquire a signal value from each of the position detection electrode and the pressure detection electrode. The controller is configured to detect a touch range by a pointer based on the signal value obtained from the position detection electrode, determine a pressure detection range corresponding to the touch range, of the signal value obtained from the pressure detection electrode, and calculate a magnitude of a pressure by the pointer based on the signal value in the pressure detection range.
    Type: Grant
    Filed: January 17, 2024
    Date of Patent: April 22, 2025
    Assignee: Sharp Display Technology Corporation
    Inventors: Takenori Maruyama, Shinji Yamagishi, Takuma Yamamoto, Kazutoshi Kida, Yasuhiro Sugita, Hiroshi Fukushima
  • Patent number: 12284878
    Abstract: A display panel includes a first display area. The first display area includes a display substrate and an optical layer. The display substrate includes a pixel defining layer and a cathode layer disposed on the pixel defining layer. The pixel defining layer includes a plurality of pixel openings and a plurality of supporting portions each disposed between two adjacent pixel openings. A thickness of a part of the cathode layer on each of the pixel opening is greater than a thickness of a part of the cathode layer on each of the supporting portions. The optical layer is disposed on the cathode layer and includes a plurality of first optical structures corresponding to the supporting portions. Each of the first optical structures includes a first surface close to the cathode layer, a second surface opposite to the first surface, and a side surface that is a total reflective surface.
    Type: Grant
    Filed: September 18, 2021
    Date of Patent: April 22, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Meng Jin
  • Patent number: 12284829
    Abstract: An array substrate and a display panel are disclosed. The display panel includes the array substrate. An ion injection stopper layer and an active layer of the array substrate correspond to at least part of the channel part. The ion injection stopper layer blocks ions from being injected into the channel part. Therefore, an effective channel length of oxide TFTs is reduced. A width of a channel of the oxide TFTs can be reduced without changing a width-length ratio of the oxide TFTs. As such, a size of the oxide TFTs can be reduced, and an aperture ratio of the display panel is increased.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: April 22, 2025
    Assignee: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jun Zhao, Wei Wu, Bin Zhao, Juncheng Xiao