Patents Assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
  • 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
  • Publication number: 20240129611
    Abstract: The present disclosure provides a display device, including a display panel and a camera, the camera is attached to a side of the display panel by an optical glue, wherein the camera includes a housing, a lens, and a spacer. The spacer is fixed on a side of the housing facing the display panel and completely covers a light incident surface of the lens, wherein a first surface of the spacer is attached to the side of the display panel by the optical glue, and the first surface of the spacer is a flat surface, which prevents a problem of reduced optical effect of the camera.
    Type: Application
    Filed: February 25, 2021
    Publication date: April 18, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Junpu Tang
  • Publication number: 20240126387
    Abstract: The present application provides a display panel and the electronic device. The display panel includes: a substrate; a display layer including light-emitting units; and a touch layer including a first insulating layer, a touch electrode layer, and a second insulating layer. The touch electrode layer includes touch electrodes. Each of the touch electrodes is provided with a first opening corresponding to one of the light-emitting units. Second openings are defined in the first insulating layer and located corresponding to the first openings. The second insulating layer fills the first openings and the second openings, and an included angle between a sidewall of each of the second openings and a side of the first insulating layer close to the display layer is an acute angle.
    Type: Application
    Filed: May 31, 2021
    Publication date: April 18, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Haoran WANG, Jing HUANG
  • Publication number: 20240127737
    Abstract: A pixel circuit, a display panel and a control method are disclosed. The pixel circuit includes a light-emitting device, a driving module, and a light-emitting control module. By inserting the corresponding number of black frame insertion pulses into the light-emitting control signal during the early light-emitting stage and the late light-emitting stage of one frame, the difference between the sum of the light-emitting currents in the early light-emitting stage of said frame and the sum of the light-emitting currents in the late light-emitting stage of said frame can be reduced, and the perceived brightness difference in one frame can be effectively reduced, so as to improve the screen flickers.
    Type: Application
    Filed: May 10, 2021
    Publication date: April 18, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Liang SUN, Mian ZENG
  • Publication number: 20240130214
    Abstract: A display module and a display device are provided. The display module includes a fixed function portion and a sliding display portion disposed oppositely. The fixed function portion includes a glass cover plate and a function layer disposed between the glass cover plate and the sliding display portion. The sliding display portion includes a first sub-part close to a side of the fixed function portion and a second sub-part bent and extended from the first sub-part and away from the side of the fixed function portion. The sliding display portion may slide relative to the fixed function portion.
    Type: Application
    Filed: September 6, 2021
    Publication date: April 18, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wen Han
  • Publication number: 20240130156
    Abstract: A light-emitting element includes a pair of electrodes, a first light-emitting unit, a second light-emitting unit, and a charge generation layer. The first light-emitting unit, between the pair of electrodes, and the first light-emitting unit, includes a first light-emitting layer. The second light-emitting unit, between the pair of electrodes, includes a second light-emitting layer. A first luminescent layer includes a first main body material, a second main body material, a first guest material, and a first auxiliary material, and the first main body material forms a first excimer complex with the second main body material. A first excited triplet state energy level of the first auxiliary material is lower than a first excited triplet state energy level of the first excimer complex, and the first excited triplet state energy level of the first auxiliary material is higher than that of the first guest material.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 18, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yu ZHANG, Li YUAN, Munjae LEE, Wenxu XIANYU, Jie YANG, Huizhen PIAO, Mugyeom KIM, Xianjie LI, Jing HUANG, Fang WANG, Kailong WU, Lin YANG, Yu GU, Mingzhou WU, Jingyao SONG, Danhua SHEN, Guo CHENG
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • Patent number: 11957030
    Abstract: A flexible display module is provided. The flexible display module includes a bending area and a plane area adjacent to the bending area, and the flexible display module includes a flexible display panel; a protection cover plate; and a transparent adhesive layer, wherein the transparent adhesive layer bonds the flexible display panel and the protection cover plate, and storage modulus of at least a part of the transparent adhesive layer corresponding to the bending area is less than storage modulus of at least a part of the transparent adhesive layer corresponding to the plane area.
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: April 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chihshun Tang
  • 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
  • Patent number: 11957007
    Abstract: An OLED display panel and an OLED display device are provided. The OLED display panel comprises: a substrate comprising a display area and a non-display area; a pixel driving circuit disposed on the display area, wherein the pixel driving circuit comprises a reset signal input end and a cathode signal input end; and a cathode signal trace arranged on the non-display area, wherein the cathode signal trace is electrically connected to both the reset signal input end and the cathode signal input end.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: April 9, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Ningkun Peng
  • 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