Patents Assigned to Display Technologies
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240204003
    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: Application
    Filed: January 19, 2023
    Publication date: June 20, 2024
    Applicant: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Hang WANG
  • DISPLAY PANEL AND MANUFACTURING METHOD THEREOF
    Publication number: 20240204001
    Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a first metal layer, a first insulating layer, and an oxide layer. The first metal layer includes a gate electrode, a source electrode, and a drain electrode disposed in a same layer. The first insulating layer has openings exposing the source electrode and the drain electrode. The oxide layer is positioned on the first insulating layer and in the opening. The oxide layer includes a channel layer positioned above the gate electrode, a first conductor layer connected to the source electrode and the channel layer, a second conductor layer connected to the drain electrode and the channel layer, and a pixel electrode connected to the drain electrode.
    Type: Application
    Filed: June 10, 2022
    Publication date: June 20, 2024
    Applicant: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yi Zhang
  • SUPPORT STRUCTURE, FLEXIBLE DISPLAY PANEL, AND ELECTRONIC DEVICE
    Publication number: 20240205317
    Abstract: A support structure, a flexible display panel, and an electronic device are provided. By reasonably providing a corresponding strip hollow structure and a circular hollow structure in a bending area, concentrated local stress can be dispersed, bending performance of the support structure can be improved, and it is able to adapt to different bending radii. In addition, ductility is improved, and coordination of deformation between a support layer and a film layer of the flexible display panel and the electronic device is ensured.
    Type: Application
    Filed: November 17, 2020
    Publication date: June 20, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wenqiang WANG
  • DISPLAY PANEL AND MOBILE TERMINAL
    Publication number: 20240204152
    Abstract: The present disclosure provides a display panel and a mobile terminal. The display panel includes a base substrate, a pad assembly, a pin assembly, and a limit assembly. An end of the limit assembly is fixedly connected with the pad assembly, another end of the limit assembly extends towards a side close to the pin assembly along a direction perpendicular to the base substrate, and a thickness of the limit assembly is greater than a distance between the pin assembly and the pad assembly. A side surface of the limit assembly is abutted against the pin assembly to prevent the pin assembly from moving.
    Type: Application
    Filed: July 28, 2022
    Publication date: June 20, 2024
    Applicant: GUANGZHOU CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Paijie Chen
  • Display panel and display device
    Patent number: 12014674
    Abstract: A display panel includes a pixel circuit, a driving circuit, and a clock signal line. The driving circuit is configured to provide a control signal to the pixel circuit. The clock signal line is configured to provide a clock signal for the driving circuit. A data refresh period of the pixel circuit includes a data writing stage and a holding stage. The holding stage includes N stages arranged in sequence, N?1. When the pixel circuit is operated in the data writing stage, a clock pulse frequency of the clock signal is a first frequency F1. When the pixel circuit is operated in the holding stage, in at least one stage of the N stages, the clock pulse frequency of the clock signal is a second frequency F2.
    Type: Grant
    Filed: March 31, 2023
    Date of Patent: June 18, 2024
    Assignee: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Wanming Huang, Jieliang Li, Yuheng Zhang
  • Polarizer, electronic device and preparation method for polarizer
    Patent number: 12013560
    Abstract: A polarizer, an electronic device and a preparation method for the polarizer are provided, the polarizer including: a base film, having a side surface and defining a first region and a second region surrounding the first region on the side surface; a linear polarizing film, arranged on the side surface of the base film and covering the second region; a transparent filler, arranged in a same layer with the linear polarizing film and covering the first region; and a retardation film, covering a side of the linear polarizing film and a side of the transparent filler away from the base film.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: June 18, 2024
    Assignees: Kunshan New Flat Panel Display Technology Center Co., Ltd., KunShan Go-Visionox Opto-Electronics Co., Ltd.
    Inventors: Renjie Liu, Gang Chen, Gusheng Xu, Lingyan Chen, Hang Zhang
  • Stretchable display panel and display device
    Patent number: 12016220
    Abstract: A stretchable display panel and a display device are provided. The stretchable display panel includes a center display area, a transition display area, and a wiring area, and in a direction from the center display area to the wiring area, a width of bridge structures in the transition display area gradually increases. Island structures located at a peripheral area include an edge bridge structure, and through meeting of adjacent edge bridge structures, a width of the edge bridge structures is increased to increase tensile strength of the edge bridge structures, decreasing risk of wires breaking in the transition display area.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: June 18, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wenqiang Wang
  • Display substrate, display panel and display device, of each of which a pixel electrode having a hollowed-out structure with a preset size
    Patent number: 12014696
    Abstract: A display substrate includes: a first base substrate (20), and gate lines (4) and data lines (5) on the first base substrate (20). The gate lines (4) extend in a first direction (X), and the data lines (5) extend in a second direction (Y). The gate lines (4) and the data lines (5) define pixel units, each of which includes a thin film transistor (7), a pixel electrode (8) and a common electrode (9). At least some of the pixel units are respectively configured with conductive bridge lines (10) provided in the same layer as the pixel electrode (8). In a pixel unit configured with the conductive bridge line (10), a first hollowed-out structure (13) and a second hollowed-out structure (14) are provided on opposite sides of the pixel electrode (8) in the first direction, to weaken or even eliminate mura (e.g., nonuniformity in brightness or color).
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: June 18, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Qiujie Su
  • Display panel and method for manufacturing same
    Patent number: 12016238
    Abstract: The present invention discloses a display panel and a method for manufacturing the same. The display panel includes a thin film transistor array layer, a light-emitting device layer, and a thermal thin film layer. By means of connecting in series at least one thermistor in a light-emitting loop constituted by a driving transistor and a light-emitting device, the display panel can reduce or eliminate an influence of temperature on an attenuation of luminous brightness, and can meet the industry-recognized life evaluation standards.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: June 18, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wei Zou
  • Flexible display device
    Patent number: 12016142
    Abstract: The present disclosure discloses a flexible display device. The flexible display device includes a housing, a telescopic assembly, a flexible screen, and a transmission assembly. Both ends of the flexible screen are connected to the telescopic assembly. The transmission assembly is disposed on the telescopic assembly and movably connected to the housing. The transmission assembly is configured to drive, during the movement relative to the housing, the telescopic assembly to stretch or contract. In this way, the flexible screen is pulled out or rolled for storage.
    Type: Grant
    Filed: July 16, 2021
    Date of Patent: June 18, 2024
    Assignees: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventor: Guobao Jiang
  • Display panel and driving method thereof and display device
    Patent number: 12014007
    Abstract: The present disclosure provides a display panel and a driving method thereof, and a display device. The display panel includes a display zone including at least one touch region and at least one non-touch region. The display panel further includes at least one touch button in the at least one touch region, and the at least one touch button is configured to enable the at least one touch region to display a predetermined screen for a touch operation when touched.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: June 18, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chongguang Wei, Weifan Yang, Lei Liu, Qing Liu, Guojuan Zhao
  • In-cell touch panel
    Patent number: 12013997
    Abstract: An in-cell touch panel includes a touch electrode, a shielding layer that is conductive and that is disposed between the touch electrode and the touch surface, a conductive layer that is electrically connected to the shielding layer, and a conductive member and a wiring portion that connect the conductive layer to a reference potential. At least part of the shielding layer is disposed so as to overlap a touch detection region. At least part of the conductive layer is disposed so as to overlap a frame region. A sheet resistance value of the conductive layer is lower than a sheet resistance value of the shielding layer.
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: June 18, 2024
    Assignee: Sharp Display Technology Corporation
    Inventor: Haruhito Kagawa
  • LED splicing display panel
    Patent number: 12014658
    Abstract: An LED splicing display panel includes at least one repeat unit. Each of the repeat unit includes four sub-LED display panels spliced to each other. Each of the sub-LED display panels includes a display region and fan-out regions. A plurality of slits are between two adjacent sub-LED display panels. The two adjacent sub-LED display panels share the plurality of fan-out regions. The plurality of sub-pixels in the four display regions include a plurality of irregular-shaped sub-pixels and a plurality of regular-shaped sub-pixels. Each of the plurality of irregular-shaped sub-pixels abuts to the corresponding fan-out region.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: June 18, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Aihua Tang
  • Flexible display device and manufacturing method thereof
    Patent number: 12016139
    Abstract: A flexible display device and a manufacturing method thereof are provided. The flexible display device includes a flexible display panel, wherein the flexible display panel is bent at a preset position to form a first plane part, a bending part, and a second plane part, the preset position includes a first bending point and a second bending point, a distance between the first bending point and the second bending point is H, a middle point of a line formed by connecting the first bending point and the second bending point is located on a bending axis of the bending part, and a radius of curvature of at least one point on the bending part is greater than H/2.
    Type: Grant
    Filed: April 2, 2021
    Date of Patent: June 18, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Lijun Qin, Yanqiang Duan
  • Display driving method, display driving device, and display device
    Patent number: 12014695
    Abstract: A display driving method, a display driving device and a display device are provided. The display driving method includes: when displaying an odd-numbered frame, providing first parity row data of the odd-numbered frame to a display array, to enable a third parity row of the display array to be displayed based on real data of the first parity row data and enable a fourth parity row of the display array to be displayed based on interpolation data of the first parity row data; and when displaying an even-numbered frame, providing second parity row data of the even-numbered frame to the display array, to enable the fourth parity row of the display array to be displayed based on real data of the second parity row data and enable the third parity row of the display array to be displayed based on interpolation data of the second parity row data.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: June 18, 2024
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Dongchuan Chen, Yanping Liao, Yingmeng Miao, Yinlong Zhang, Shulin Yao, Xibin Shao, Seungmin Lee, Jiantao Liu
  • Stretchable display panel and display device
    Patent number: 12011908
    Abstract: A stretchable display panel and a display device are disclosed. The stretchable display device includes a display area and a wiring area. Each of bridge structures in a transition display area gradually increases in width in a direction from a middle display area to the wiring area. A plurality of first openings are defined on a side of the transition display area adjacent to the wiring area. Each of the first openings has opposite ends located within a boundary area defined by a connecting line connecting centers of adjacent island structures corresponding to the opposite ends of the first opening. In this manner, a hollow ratio of the transition display area close to the wiring area can be reduced, and risk of breakage of lines in the transition display area can be lowered.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: June 18, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTORNICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wenqiang Wang
  • Display panel and display device
    Patent number: 12016218
    Abstract: A display panel and a display device are provided. The display panel includes a unit island, a connecting part, a light emitting unit, and a signal line. The connecting part is connected to each side of the unit island, and each connecting part includes a bending part disposed in at least three bending directions and at least one straight part. The display panel is easier to be deformed and has a better deformation effect. Moreover, the components of the display panel will not interfere with each other, which effectively enhance the expansion performance and reliability of the panel.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: June 18, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wenqiang Wang
  • Display screen and display device
    Patent number: 12016144
    Abstract: A display screen and a display device are provided. The display has a bending area. The display screen has a display layer and a cover plate layer. The cover plate layer is located on the display layer. The cover plate layer has a composite portion located in the bending area. A plurality of holes are formed in the composite portion. The holes are filled with a material, and an elastic modulus of the material is smaller than an elastic modulus of the composite portion.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: June 18, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Wen Han, Zikang Feng
  • Display panel and display device
    Patent number: 12014675
    Abstract: A display panel. The display panel includes a base substrate, drive circuits, pixel circuits, and signal line groups. The drive circuits and the pixel circuits are arranged on the base substrate. The drive circuits provide control signals for the pixel circuits. The pixel circuits provide drive currents for light-emitting elements of the display panel. The drive circuits include a first drive circuit and a second drive circuit. The signal line groups include a first signal line group and a second signal line group. The first signal line group includes M signal lines that provide signals for the first drive circuit. The second signal line group includes N signal lines that provide signals for the second drive circuit, M?1, and N?1. The first drive circuit provides a light-emitting control signal for a light-emitting control transistor of the pixel circuit.
    Type: Grant
    Filed: January 24, 2023
    Date of Patent: June 18, 2024
    Assignee: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Fenxiang Zou, Jieliang Li
  • DRIVING BACKPLANE AND DISPLAY PANEL
    Publication number: 20240194748
    Abstract: The present application provides a driving backplane and a display panel. The driving backplane includes a substrate, a first conductive layer, an active layer, an insulating layer, and a second conductive layer. A source contact portion covers part of a sub-source electrode, a drain contact portion covers part of a sub-drain electrode, and a channel portion covers a gap between the sub-source electrode and the sub-drain electrode. The second conductive layer is disposed on a side of the insulating layer away from the substrate. The second conductive layer includes a main drain electrode and a gate electrode, the main drain is connected to the sub-drain electrode, and an orthographic projection of the gate electrode on the substrate at least covers an orthographic projection of the channel portion on the substrate.
    Type: Application
    Filed: December 30, 2022
    Publication date: June 13, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chuanbao Luo