Patents Assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
  • PIXEL CIRCUIT AND DISPLAY PANEL
    Publication number: 20240127738
    Abstract: The present application discloses a pixel circuit and a display panel. The pixel circuit includes a writing module, a transfer module, a first time-division transmission module, a drive module, a second time-division transmission module and a storing module. The storing module and the transfer module can be simultaneously charged with electricity through a data signal, and the storing module can be recharged by the transfer module in a light-emitting phase through the first time-division transmission module, the drive module and the second time-division transmission module.
    Type: Application
    Filed: June 7, 2021
    Publication date: April 18, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Liang SUN, Mian ZENG
  • Display panel and display device
    Patent number: 11963398
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a plurality of auxiliary pixel driving circuits. Each of the auxiliary pixel driving circuits includes transistors, and each of the transistors includes an active layer and an insulation layer. The display panel is defined with first dummy holes in a transition display area, and the first dummy holes penetrate a part of the insulation layer away from the active layer in order to reduce difference in electrical properties between the auxiliary pixel driving circuits through the first dummy holes, thereby achieving display uniformity of the display panel.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: April 16, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Cheng Yang
  • Display panel and display device
    Patent number: 11961845
    Abstract: A display panel and a display device are provided. In a frame region, the display panel includes a first organic base substrate, an inorganic base substrate, a second organic base substrate, a first inorganic layer, and an encapsulation layer stacked in sequence, and a first groove portion passing through the first inorganic layer and a second groove portion extending to the second organic base substrate. An orthographic projection of the first groove portion projected on the first organic base substrate falls within and is less than an orthographic projection of the second groove portion projected on the first organic base substrate.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: April 16, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Xue Li
  • Display panel and display device
    Patent number: 11963428
    Abstract: A display panel and a display device are disclosed. The display panel includes a display panel body and a polarizer, placed on the display panel body in a direction of outgoing light. The display panel body includes a metal layer having a reflection area corresponding to a first heading angle larger than a reflection area corresponding to a second heading angle. A light extinction of the polarizer corresponding to the first heading angle is greater than a light extinction of the polarizer corresponding to the second heading angle. This could remedy the light extinction of the polarizer in the second heading angle such that the display panel could have similar reflection rates and color shifts in all heading angles.
    Type: Grant
    Filed: March 16, 2021
    Date of Patent: April 16, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Hanning Yang
  • Display panel and display device
    Patent number: 11961447
    Abstract: The present disclosure provides a display panel and a display device, including a display area and a non-display area. The non-display area includes a circuit area and a fan-out wiring area arranged side by side with the display area along a first direction in sequence. The fan-out wiring area includes a plurality of first fan-out wirings with lengths gradually decreasing along a second direction perpendicular to the first direction. The circuit area includes a plurality of first sub-circuit areas in a one-to-one correspondence with the plurality of first fan-out wirings. Widths of the plurality of the first sub-circuit areas in the first direction gradually decrease along the second direction.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: April 16, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zuoyuan Xu
  • Display panel including phase retardation and linear polarizing layers
    Patent number: 11963393
    Abstract: A display panel is provided. The display panel includes a substrate, a thin film transistor array layer disposed on the substrate, a light emitting device layer disposed on the thin film transistor array layer, a thin film encapsulation layer disposed on the light emitting device layer, a phase retardation layer disposed within the thin film encapsulation layer, and a linear polarizing layer disposed within the thin film encapsulation layer. By removing a conventional polarizer, a problem in a conventional display panel that disposition of a polarizer limits a thickness of the entire display panel and reduces bending performance of the display panel is solved.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: April 16, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Hanning Yang
  • Supporting plate and foldable display device
    Patent number: 11963318
    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: April 28, 2021
    Date of Patent: April 16, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yafei Fu, Yapeng Cheng
  • Display device and mobile terminal
    Patent number: 11963322
    Abstract: The present application provides a display device and a mobile terminal. It includes a frame, a flexible screen, a movable support mechanism, and a sensor. The flexible screen includes a fixed portion, a sliding portion, and a bent portion. The movable support mechanism includes a sliding assembly and a stretching assembly connected to each other. The sliding assembly contacts and is connected to the bent portion. The stretching assembly is fixedly connected to one end of the sliding portion away from the bent portion, so that the sliding assembly abuts against the bent portion. The sensor is arranged on one side of the sliding portion away from the fixed portion.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: April 16, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Wen Han, Hao Tang
  • FLEXIBLE DISPLAY PANEL AND ELECTRONIC DEVICE
    Publication number: 20240121905
    Abstract: The present application provides a flexible display panel and an electronic device. The flexible display panel includes a housing, a hinge, and a flexible display panel body. The hinge includes a fixing bracket, a supporting mechanism, and a rotating mechanism. The fixing bracket includes a first fixing bracket and a second fixing bracket. The supporting mechanism includes a first supporting portion and a second supporting portion. The rotating mechanism includes a first rotating shaft, a second rotating shaft, a first connecting member, and a second connecting member.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 11, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Huan CAO
  • DISPLAY PANEL AND DISPLAY TERMINAL
    Publication number: 20240122000
    Abstract: Embodiments of the present application provide a display panel and a display terminal. The display panel includes: at least one display component, a driving substrate, and a conductive member. The at least one display component includes at least one at least one via group. Each of the at least one via group includes a groove and a plurality of sub vias. The sub vias are connected between the at least one first terminal and the groove. The conductive member is at least filled in the groove and the sub vias. In the present embodiments, by disposing the sub vias, a process window in a laser drilling process can be increased.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 11, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Tiyao MA
  • MICRO LIGHT EMITTING DIODE TOUCH DISPLAY PANEL
    Publication number: 20240118757
    Abstract: A micro light emitting diode touch display panel is provided with a pixel driving circuit, a power supply voltage signal line electrically connecting the pixel driving circuit, a first contact electrode electrically connecting the power supply voltage signal line, and a micro light emitting unit bonded to connect the first contact electrode. In a touch driving phase, the first contact electrode is re-used as a touch electrode, and the power supply voltage signal line is re-used as a touch signal line, thereby reducing the production costs, and promoting the production capacity as well as ensuring the touch control and display effects.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 11, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shijuan YI, Liang SUN
  • Display device
    Patent number: 11955035
    Abstract: The present invention provides a display device, wherein by arranging reels at opposite ends of the flexible display screen, a difference in curling lengths between laminated films of the flexible display screen caused by an increase in a number of curling turns during curling can be effectively relieved. In addition, one end of the inner roll can reduce the stress generated at one end of the outer roll, thereby preventing the layers from falling off, which is beneficial to increase the service life of the flexible display screen.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: April 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Ruiting He, Xiaokang Li
  • Display panel and electronic device
    Patent number: 11954278
    Abstract: The present application provides a display panel and an electronic device. A functional region and a transition region of the display panel are located between two adjacent touch electrodes, each touch electrode is electrically connected to a first signal transmission line, first signal shielding lines are disposed between the first signal transmission lines of a same touch electrode group and the touch electrodes of an adjacent touch electrode group, and a part of the first signal shielding line is located in the transition region, so as to alleviate a problem of poor touch performance of an existing out-cut screen.
    Type: Grant
    Filed: November 26, 2021
    Date of Patent: April 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Liang Fang, Ding Ding
  • Display device
    Patent number: 11957006
    Abstract: A display device includes a display panel and an integrated circuit chip configured with a plurality of first bonding terminals spaced apart from each other. The display panel is provided with a plurality of second bonding terminals, and a first insulating layer is disposed between the first bonding terminals and the second bonding terminals. A plurality of electrically conductive particles are provided on the second bonding terminals and penetrate the first insulating layer so that the electrically conductive particles are in contact with the first bonding terminals.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: April 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Caihua Ding
  • Supporting plate and display module
    Patent number: 11955036
    Abstract: A supporting plate and a display module are provided. In the supporting plate, a bending part is connected between a first supporting main body and a second supporting main body. The bending part includes a first bending part. An end of the first bending part is connected to the first supporting main body, and another end of the first bending part is connected to the second supporting main body. Along a direction from the first supporting main body to the second supporting main body, the first bending part has a plurality of bending structures that bend back and forth in two opposite directions.
    Type: Grant
    Filed: October 10, 2020
    Date of Patent: April 9, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wenqiang Wang
  • OLED display panel
    Patent number: 11957029
    Abstract: An OLED display panel comprises an array substrate and metal wiring layers, wherein one part of metal lines is arranged in a direction perpendicular to a first dam, and the other part of the metal lines forms acute angles with the first dam. A plurality of first grooves are defined in a fan-out area and arranged along the metal lines, and a plurality of second grooves are defined in the array substrate corresponding to a part of an area and arranged in the direction perpendicular to the first dam.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: April 9, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jun Cao
  • Display device
    Patent number: 11957031
    Abstract: A display device is provided. The present disclosure allows a distance between a protective layer and a coverplate to be greater than or equal to a default value in an overlapping area of the protective layer and the coverplate, so the coverplate will not squeeze the protective layer, thereby preventing a risk of cracking the display device.
    Type: Grant
    Filed: May 31, 2021
    Date of Patent: April 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jing Zhou
  • Display panel, driving method thereof, and display device
    Patent number: 11955049
    Abstract: A display panel and a corresponding driving method are provided, including at least an N?1th stage demultiplexing subcircuit and an Nth stage demultiplexing subcircuit. The N?1th stage demultiplexing subcircuit includes at least M N?1th stage demultiplexing units, wherein M and N are both integers not less than 2. By disposing at least two stages of the demuxing subcircuits in cascade, one signal can time-sharingly multiplex to a plurality of signals and correspondingly exponentially reduce a number of signal wirings.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: April 9, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Zuomin Liao, Songpo Xiang
  • Display panel and display device
    Patent number: 11954275
    Abstract: A display panel and a display device are provided. By providing a winding structure with a hollow part on an electrode trace of a touch function layer, a parasitic capacitance between the touch function layer and a cathode layer at a pillar can be reduced. Furthermore, an overall consistency of the parasitic capacitance between the touch function layer and the cathode layer is balanced, noise caused by imbalance of the parasitic capacitance is avoided, and an overall touch report rate and sensitivity are improved.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: April 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jian Ye
  • Gate driver circuit and display panel
    Patent number: 11955084
    Abstract: A driving circuit and a display panel are provided. The gate driver circuit includes a plurality of gate driving units which are cascaded. An Nth stage gate driving unit includes a pull-down control module, a pull-down module, a pull-up control module, a first pull-up voltage stabilizing module, a pull-up module, a second pull-up voltage stabilizing module, and a pull-down voltage stabilizing module. Stability of the gate driver circuit can be improved by increasing stability of a voltage level at a fourth node via the first pull-up voltage stabilizing module and the second pull-up voltage stabilizing module.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: April 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xuanyun Wang, Chao Dai, Jianlong Wu, Ruiting He