Patents Assigned to Display Technologies
  • Blue thermally activated delayed fluorescence material, synthesis method thereof, and use thereof
    Patent number: 11898074
    Abstract: The present disclosure relates to the field of organic light-emitting materials, and more particularly, to a blue thermally activated delayed fluorescence material, a synthesis method thereof, and use thereof. The blue thermally activated delayed fluorescence material has a following structural formula: the present disclosure provides a novel blue thermally activated delayed fluorescence material which has a lower singlet triplet energy level difference, a high RISC rate constant (kRISC), and a high photoluminescence quantum yield (PLQY) by finely adjusting a structure of electron acceptor units, making them have different abilities to accept electrons, thereby realizing fine adjustment of spectrum in the deep blue range.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: February 13, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jiajia Luo, Jinchang Huang, Lin Yang, Qu Zhang
  • Display panel and manufacturing method for display panel
    Patent number: 11903293
    Abstract: A display panel and a manufacturing method for a display panel are provided. The display panel includes a base layer, a touch layer, and a filling layer. In the present application, the touch layer only disposed in the flat display areas, so that the first curved display areas only have display functions without touch functions. Therefore, when a user touches the first curved display panel areas, no touch signal is generated, and other operations of the user are not affected, thereby improving the user.
    Type: Grant
    Filed: June 24, 2021
    Date of Patent: February 13, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yang Zhang
  • OLED display panel with same color sub-pixel groups
    Patent number: 11903260
    Abstract: The present disclosure provides a display panel, including a first pixel group, a second pixel group, and a third pixel group with different colors. The first pixel group and the second pixel group are sequentially arranged along a first direction, and both include four sub-pixels arranged in a matrix. The third pixel group is adjacent to the first pixel group and the second pixel group, and the third pixel group includes at least two third sub-pixels sequentially arranged along the first direction. A demand of products for printing accuracy requirement of a printing equipment can be reduced under a premise that a number of high pixels per inch (PPI) remains unchanged.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: February 13, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Yifei Bing
  • DISPLAY PANEL AND MOBILE TERMINAL
    Publication number: 20240049575
    Abstract: Embodiments of the present disclosure provide a display panel and a mobile terminal. The display panel includes an edge display area located on a periphery of a central display area. A substrate, a light-emitting function layer located on the substrate, and an optical adjustment member disposed on the light-emitting function layer are disposed in the edge display area. A refractive index of a side of the optical adjustment member that is close to the light-emitting function layer is less than a refractive index of a side of the optical adjustment member that is away from the light-emitting function layer.
    Type: Application
    Filed: July 20, 2021
    Publication date: February 8, 2024
    Applicants: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Huanhuan WANG
  • BASE PLATE AND DISPLAY PANEL
    Publication number: 20240047466
    Abstract: An embodiment of the present application describes a base plate and a display panel, where a thin film transistor has a gate electrode, an active layer, and a source-drain metal layer. The active layer is arranged in a different layer from the gate electrode, and the active layer is disposed to overlap the gate electrode. The barrier layer at least covers the active layer and the gate electrode, and the barrier layer is used to block water and oxygen. The flat layer covers the barrier layer; and the source-drain metal layer is arranged on the flat layer. The source-drain metal layer has a source electrode and a drain electrode, and the source electrode and the drain electrode are respectively connected to the active layer.
    Type: Application
    Filed: September 7, 2021
    Publication date: February 8, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xiaofang Tan, Zhiwei Song
  • VIEWING ANGLE DIFFUSION FILM AND DISPLAY DEVICE
    Publication number: 20240045257
    Abstract: A viewing angle diffusion film and a display device are provided. The viewing angle diffusion film includes a substrate, a plurality of prism structures disposed on a surface of the substrate, and a dielectric layer filled between two adjacent prism structures. Each of the prism structures includes a first side surface and a second side surface, and a distance from the first side surface to the second side surface of each of the prism structures gradually decreases in a direction away from the surface of the substrate. It prevents light from diffusing in unnecessary directions, and a utilization rate of light is increased.
    Type: Application
    Filed: December 24, 2021
    Publication date: February 8, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chengxiao Sun, Miao Zhou
  • MOLDING DEVICE FOR CURVED DISPLAY PANEL, MOLDING METHOD THEREOF, AND CURVED DISPLAY PANEL
    Publication number: 20240047240
    Abstract: The present disclosure provides a molding device for a curved display panel, the molding device includes a mapping structure with a plurality of thimble pins and a jacking mechanism, one end of each of the thimble pins is configured to be attached to a display panel, the jacking mechanism includes a plurality of bottom plate and a plurality of driving members, each of the bottom plates is configured to be attached to another end of corresponding thimble pins, any one of the bottom plates is independently driven by one of the driving members, the plurality of bottom plates can separately drive the plurality of thimble pins to drive corresponding areas of the display panel to rise by different displacements and achieve a better molding effect.
    Type: Application
    Filed: September 24, 2021
    Publication date: February 8, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Ping He
  • DISPLAY PANEL
    Publication number: 20240046862
    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: Application
    Filed: October 12, 2021
    Publication date: February 8, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chao Dai, Bo Li
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240049529
    Abstract: Provided are a display panel and a display device, comprising a substrate. A driving array on the substrate comprises a first active layer, a second active layer and a first metal layer stacked on the first active layer. An active pattern and a gate of the first transistor are respectively included in the first active layer and the first metal layer. An active pattern of the second transistor is included in the second active layer. A first shielding portion with a predetermined stable voltage is provided between the active pattern of the first transistor and the substrate.
    Type: Application
    Filed: September 14, 2021
    Publication date: February 8, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Guoqiang YANG
  • DISPLAY PANEL AND MOBILE TERMINAL
    Publication number: 20240049574
    Abstract: The present application provides a display panel and a mobile terminal, which can mix the same color light emitted by one of a plurality of light-emitting devices and another one of the plurality of light-emitting devices, thereby simultaneously improving light extraction efficiency and viewing angle characteristics of the display panel.
    Type: Application
    Filed: August 9, 2021
    Publication date: February 8, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Lixuan CHEN
  • SPLICING DISPLAY SCREEN
    Publication number: 20240049546
    Abstract: A splicing display screen defined with a plurality of sub-areas is provided. The splicing display screen includes a first substrate, a first metal layer, a plurality of driving ICs, a control unit, and a plurality of display screen units. The first metal layer is disposed on the first substrate, and each driving IC is buried in a groove of a corresponding sub-area and is electrically connected to a circuit of the first metal layer. The control unit is electrically connected to the plurality of driving ICs, and the plurality of display screen units correspond to the plurality of sub-areas in a one-to-one manner. The plurality of display screen units are disposed on the first metal layer and electrically connected to the first metal layer.
    Type: Application
    Filed: December 24, 2021
    Publication date: February 8, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Na Liu, Wenxu Xianyu, Yongsup Hwang, Seongkee Park, Chunpeng Zhang
  • DISPLAY DEVICE
    Publication number: 20240045270
    Abstract: The present application provides a display device. The display device comprises a quantum dot composite film, a liquid crystal display panel and a backlight module. The quantum dot composite film comprises a quantum dot film layer, and a light emerging surface of the quantum dot film layer is provided with a plurality of first prism structures. The first prism structure is employed to reduce an angle at which light emerges from the quantum dot film layer, thereby improving the front view brightness of the display device, and improving or avoiding the problem of light leakage of the display device in the large viewing angle of the dark state.
    Type: Application
    Filed: December 9, 2021
    Publication date: February 8, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chengxiao Sun, Miao Zhou, Lixuan Chen, Zhenxia Chen, Song Lan
  • DISPLAY PANEL
    Publication number: 20240045545
    Abstract: The present invention provides a display panel including a display area and a terminal area adjacent to each other, the terminal area includes a driving chip area bonded with a driving chip, a plurality of touch leads are provided in the driving chip area, first ends of the plurality of touch leads are electrically connected to a plurality of touch electrodes in the display area, and a plurality of test pins is electrically connected to second ends of the plurality of touch leads and used for transmitting a test signal are also located in the driving chip area.
    Type: Application
    Filed: September 6, 2021
    Publication date: February 8, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zuzhao Xu
  • BACKPLANE, DISPLAY, AND DISPLAY MODULE
    Publication number: 20240046825
    Abstract: A backplane, a display, and a display module are provided. The backplane includes a guide slot and a connecting element. The connecting element is disposed on the guide slot, and the connecting element matches the guide slot in shape. The connecting element is configured to connect the backplane with another backplane. The display and the display module include the above-mentioned backplane.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 8, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xiaobo Yang
  • QUANTUM DOT, PREPARATION METHOD THEREOF, AND QUANTUM DOT FILM
    Publication number: 20240043743
    Abstract: The present application relates to a quantum dot, a preparation method thereof, and a quantum dot film. The quantum dot of the present invention includes a quantum dot core and a metal shell, and a hollow ring is formed between an inner wall of the metal shell and an outer wall of the quantum dot core. The present invention prevents the use of a transition shell such as SiO2 in the prior art to ensure a spacing between the quantum dot core and the metal shell; prevents the ligand modification of quantum dots, thereby preventing reduction of fluorescence efficiency of the quantum dot, thus maintaining an original light conversion efficiency of the quantum dot.
    Type: Application
    Filed: December 17, 2021
    Publication date: February 8, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Miao Zhou
  • TOUCH DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240045553
    Abstract: The present application provides a touch display panel and a display device. The touch display device includes a functional composite layer. The functional composite layer includes a touch pattern area and an antenna pattern area. A touch pattern is arranged in the touch pattern area, and the antenna pattern is arranged in the antenna pattern area. The antenna pattern and the touch pattern are arranged in a same layer, and the antenna pattern is electrically insulated from the touch pattern, so that the present application avoids placing the antenna pattern in a middle frame of the display device and improves lightness and thinness of the display device.
    Type: Application
    Filed: June 25, 2021
    Publication date: February 8, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Bi Chen
  • DISPLAY DEVICE
    Publication number: 20240049409
    Abstract: The present application provides a display device. The display device includes a display panel, an adhesive layer, and a heat dissipation buffer layer. The adhesive layer in the present application is arranged between a display portion and a bonding portion. The heat dissipation buffer layer is arranged at one side of the display portion of the display panel facing the bonding portion. A projection of the heat dissipation buffer layer projected on the display portion does not overlap a projection of the adhesive layer projected on the display portion.
    Type: Application
    Filed: August 3, 2021
    Publication date: February 8, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Lijun Qin, Chihshun Tang
  • DISPLAY DEVICE
    Publication number: 20240045479
    Abstract: A foldable display device includes a first front frame disposed corresponding to a first middle frame and a second front frame disposed corresponding to a second middle frame. The first front frame includes a first top end portion fixedly connected to the first middle frame, and a first side portion movably connected to the first middle frame. The second front frame includes a second top end portion fixedly connected to the second middle frame, and a second side portion movably connected to the second middle frame. A first magnet and a second magnet are correspondingly disposed on the first side portion and the second side portion, respectively.
    Type: Application
    Filed: February 10, 2022
    Publication date: February 8, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wenqiang WANG
  • ORGANIC LIGHT-EMITTING DIODE DISPLAY PANEL AND MANUFACTURING METHOD THEREOF
    Publication number: 20240049565
    Abstract: An organic light-emitting diode (OLED) display panel and a manufacturing method thereof are provided. The OLED display panel includes a substrate, a thin film transistor device, an auxiliary electrode, a passivation layer, a planarization layer, and a light-emitting device layer. The light-emitting device layer includes an anode layer, a light-emitting functional layer, and a cathode layer. Wherein, a first via hole penetrating the planarization layer and the passivation layer is defined above the auxiliary electrode, and a notch between the auxiliary electrode and the planarization layer is defined at a bottom of an inner sidewall of the first via, and the cathode layer extends through the first via hole to the notch to connect with the auxiliary electrode.
    Type: Application
    Filed: December 23, 2021
    Publication date: February 8, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jingyuan Hu, Gaobo Lin
  • OLED DISPLAY PANEL AND ELECTRONIC DEVICE
    Publication number: 20240049567
    Abstract: The present application discloses an OLED display panel and an electronic device. The OLED display panel includes a display main body and an encapsulation structure, wherein the display main body has a display area and a non-display area defined at a periphery of the display area; and an encapsulation structure disposed at one side of the display main body, wherein the encapsulation structure extends from the display area to the non-display area, the encapsulation structure includes a first organic layer, a first inorganic layer, and a second organic layer that are sequentially stacked, and the second organic layer covers a side surface of the first organic layer.
    Type: Application
    Filed: December 16, 2021
    Publication date: February 8, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wendong LIAN