Patents Assigned to WUHAN CHINA STAR OPTOELECTRONICS
  • TOUCH CONTROL DISPLAY PANEL AND TOUCH CONTROL DISPLAY DEVICE
    Publication number: 20250044892
    Abstract: A touch control display panel and a touch control display device are provided. In the touch control display panel, an area of an overlapping area between a touch control signal line and a wire can be reduced. Therefore, signal interference between the touch control signal line and the wire is reduced, and display performance and touch control performance of the touch control display panel are in turn enhanced.
    Type: Application
    Filed: April 15, 2021
    Publication date: February 6, 2025
    Applicants: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Liang FANG
  • DISPLAY CONTROL METHOD OF DISPLAY PANEL, DISPLAY MODULE, AND DISPLAY DEVICE
    Publication number: 20250046251
    Abstract: The present invention provides a display control method of a display panel, a display module, and a display device. Pulse widths of first pulses corresponding to non-display phases in one frame period in an emission start signal are at least partially different, so that pixel driving circuits adjust light-emitting durations of light-emitting devices corresponding to each display phase according to emission control signals. Accordingly, a display brightness of each light-emitting device can be adjusted within one frame period, and a flickering problem can be alleviated.
    Type: Application
    Filed: October 21, 2024
    Publication date: February 6, 2025
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Tao CHEN
  • DISPLAY DEVICES AND DISPLAY TERMINALS INCLUDING THE SAME
    Publication number: 20250048906
    Abstract: The present disclosure discloses a display device and a display terminal. A first backplate is disposed on a back side of a flat plate part; a second backplate is disposed on a side of a solder pad part; a rigid support layer is attached onto the first backplate; a buffer layer is attached onto the rigid support layer; a notch is provided at an end of the buffer layer close to a bending part; an adhesive layer is disposed at the end of the buffer layer close to the bending part, and the second backplate is attached onto a surface of the notch through the adhesive layer; and a heat dissipation support layer is disposed on a side of the buffer layer.
    Type: Application
    Filed: April 21, 2023
    Publication date: February 6, 2025
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Feiming LIN
  • PIXEL CIRCUIT, DISPLAY PANEL AND CONTROL METHOD
    Publication number: 20250046236
    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: October 22, 2024
    Publication date: February 6, 2025
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Liang SUN, Mian ZENG
  • DISPLAY PANEL AND DISPLAY TERMINAL
    Publication number: 20250046229
    Abstract: A display panel includes sub-pixels in a first region, sub-pixels in a second region, and a processor. The processor is configured to determine a luminance compensation signal based on a difference between a first operating temperature of the first region and a second operating temperature of the second region according to a predetermined correlation of temperature to luminance; and control data lines and gate lines associated with the first region or the second region to output the luminance compensation signal to the first region or the second region through the data lines associated with the first region or the second region, to compensate luminance of the first region or the second region.
    Type: Application
    Filed: October 24, 2024
    Publication date: February 6, 2025
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yedong WANG, Jia ZHANG
  • Display panel and display device
    Patent number: 12219844
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes an array substrate and a plurality of pixel units. In a first display area, a minimum distance between an edge of an anode of a second pixel unit and an edge of a corresponding light-emitting portion is greater than a minimum distance between an edge of an anode of a first pixel unit and an edge of a corresponding light-emitting portion. The display panel and the display device provided by the present disclosure prevents a problem that user experience is compromised by differences in brightness of the display panel at wide viewing angles.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: February 4, 2025
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Wei Liu, Lin Yang, Yexi Sun
  • Display panel
    Patent number: 12219848
    Abstract: The present invention provides a display panel, including a substrate (including a flat region and a curved region), a plurality of sub-pixels (including a first sub-pixel, a second sub-pixel, and a third sub-pixel), a packaging layer covering the plurality of sub-pixels, and an optical film layer. The optical film layer includes a plurality of condensation regions and a plurality of transmission regions, the plurality of condensation regions include a first condensation region located on the curved region and disposed corresponding to the first sub-pixel, and the plurality of transmission regions include a first transmission region located on the flat region and disposed corresponding to the first sub-pixel.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: February 4, 2025
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Haoran Wang
  • Display panel with grooves for reducing bending stress
    Patent number: 12219824
    Abstract: The present disclosure provides a display panel. The display panel comprises a base and a pixel driving circuit layer. The pixel driving circuit layer comprises a plurality of pixel driving circuits; the pixel driving circuit layer comprises a first semiconductor layer, a first insulating layer, and a second semiconductor layer stacked on the base. Wherein, the pixel driving circuit layer comprises first grooves located between the pixel driving circuits and opened in the first insulating layer, and a first organic spacer layer disposed in the first grooves.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: February 4, 2025
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shuyuan Zhang, Jianfeng Chen
  • Touch control display panel and display device
    Patent number: 12216848
    Abstract: A touch control display panel and a display device are provided. The display device includes the touch control display panel, the touch control display panel includes a touch control layer, and the touch control layer includes touch electrodes and touch signal lines. Two openings formed between two extending segments in a same extending part on the touch signal lines and corresponding extending segments on adjacent touch signal lines are staggered from each other, so a patterning difference between the touch signal lines can be reduced, thereby improving uneven display of the touch control display panel.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: February 4, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Liang Fang, Ding Ding
  • Display device having heat dissipation capsules and display terminal having heat dissipation capsules
    Patent number: 12219860
    Abstract: Embodiments of the present application provide a display device and a display terminal. A protective layer is disposed outside the display panel, and a plurality of heat dissipation capsules are dispersedly disposed in the protective layer. The heat dissipation capsules are provided with a phase change material. The phase change material can change the material state thereof and absorb a large amount of heat, thereby cooling the display device and the display terminal, solving the problem of difficult heat dissipation of the display device and the display terminal, and improving the image display quality.
    Type: Grant
    Filed: November 25, 2021
    Date of Patent: February 4, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Yang Hu
  • Display device and mobile terminal
    Patent number: 12216356
    Abstract: The present application provides a display device and a mobile terminal. The display device includes a display panel and a backlight module arranged on one side of the display panel. The display panel includes a first display area, a second display area arranged on one side of the first display area, and a third display area arranged within the second display area. The backlight module includes a via area, and the via area is arranged corresponding to the third display area. The backlight module includes a first light source arranged corresponding to the first display area and a second light source arranged corresponding to the second display area.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: February 4, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shaojun Hou, Chao Wang, Guanghui Liu
  • Pixel driving circuit, driving method thereof, and display device
    Patent number: 12217669
    Abstract: The present disclosure provides a pixel driving circuit, a driving method thereof, and a display device. The pixel driving circuit includes a compensation unit, the compensation unit and a driving unit are coupled to a second node, and the compensation unit is connected to a first scanning signal; a light-emitting control unit is configured to receive a light-emitting signal, and the light-emitting control unit, the driving unit, and the compensation unit are coupled to a third node.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: February 4, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Shiqiang Huang, Qi Cao, Zhengyue Chen, Xing Ming
  • Display panel and mobile terminal
    Patent number: 12217655
    Abstract: A display panel and a mobile terminal are provided. The display panel includes an array driving layer, a first electrode layer, a light-emitting layer, and a second electrode layer. The array driving layer includes a thin film transistor layer and a transparent conductive layer. The light-emitting layer includes a first pixel arranged on a normal display area and a second pixel arranged on a light-transmitting function display area. A via hole is formed in the light-transmitting function display area and between two adjacent second pixels. The transparent conductive layer includes a plurality of touch electrodes corresponding to the via hole.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: February 4, 2025
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Ding Ding, Liang Fang
  • DISPLAY PANELS AND DISPLAY DEVICES
    Publication number: 20250037633
    Abstract: The present disclosure discloses a display panel and a display device. The display panel includes a pixel circuit. The pixel circuit includes a mirror current receiving module, a digital driving module, and a light-emitting module. The mirror current receiving module includes N mirror current receiving units. A control terminal of each N mirror current receiving unit is connected to one mirror current, and the N mirror current receiving units are respectively connected in series to light-emitting subloops. N is an integer greater than or equal to 2. The digital driving module includes N digital driving units respectively connected in series to the light-emitting subloops. The light-emitting module is connected to a light-emitting loop formed by the light-emitting subloops.
    Type: Application
    Filed: December 14, 2023
    Publication date: January 30, 2025
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Lei WU
  • DISPLAY DEVICE
    Publication number: 20250037627
    Abstract: A display device is provided. The display device includes a display panel that can be rotated and displayed around a rotation axis. The display panel comprises a plurality of first light-emitting element groups disposed in a first direction. The first direction is from the rotation axis to the edge of the display panel away from the rotation axis. A distribution density of the first light-emitting element in the first light-emitting element group close to the rotation axis is less than a distribution density of the first light-emitting element in the first light-emitting element group far from the rotation axis.
    Type: Application
    Filed: February 7, 2023
    Publication date: January 30, 2025
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yunni CHEN, Fancheng LIU, Guowei ZHA
  • DISPLAY PANELS
    Publication number: 20250040338
    Abstract: Embodiments of the present disclosure provide a display panel, in which a hole control layer is disposed on a hole transport layer, a light-emitting material layer is disposed on the hole control layer, and the hole control layer includes a first sub-hole control layer and a second sub-hole control layer. An energy difference between a HOMO energy level of the first sub-hole control layer and a HOMO energy level of the second sub-hole control layer is greater than or equal to 0.2 eV, and the HOMO energy level of the second sub-hole control layer is greater than a HOMO energy level of the light-emitting material layer and less than a HOMO energy level of the hole transport layer.
    Type: Application
    Filed: July 18, 2023
    Publication date: January 30, 2025
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Haoran WANG
  • DISPLAY DEVICES
    Publication number: 20250035916
    Abstract: Embodiments of the present disclosure disclose display devices. The display device includes two optical machines. Each optical machine includes a display screen and an optical element. The display screen has a first lateral surface and a second lateral surface. The optical element has a first outline and a second outline. A minimum value of a distance between the first outline and an optical axis of the optical element is less than a minimum value of a distance between the second outline and the optical axis of the optical element. In the present disclosure, a size of the optical element may be reduced by arranging an inner side of the optical element as a special-shaped structure.
    Type: Application
    Filed: June 30, 2023
    Publication date: January 30, 2025
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Huanli YANG, Rui HE
  • Display device, control method thereof and display equipment
    Patent number: 12211405
    Abstract: The present disclosure provides a display device, a method for controlling the display device, and a display apparatus. The display device includes a plurality of source signal output terminals, a plurality of data lines, a plurality of scan lines, a pixel unit array, and a switching module. When the display device displays a three-dimensional picture, a source signal output terminal provides a data signal to only one sub-pixel. When the display device displays a two-dimensional picture, a source signal output terminal simultaneously provides data signals to two rows and columns of four sub-pixels of the same luminous color.
    Type: Grant
    Filed: June 28, 2023
    Date of Patent: January 28, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Rui Xiong
  • Drive chip and display panel
    Patent number: 12211810
    Abstract: The present application discloses a drive chip and a display panel. The drive chip includes a first area and a second area. The drive chip includes a substrate and drive pins. The density of the pins located in the first area is lower than the density of the pins located in the second area. The pins located in the second area includes first drive pins and second drive pins. The distance between the substrate and a face of the first drive pins away from the substrate is greater than the distance between the substrate and a face of the second drive pins away from the substrate. The occurrence of poor electric conduction is avoided.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: January 28, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Shuya Dong, Haosen Ge, Yong Tian, Bo Liu
  • Field sequence color display driving method and display device
    Patent number: 12211316
    Abstract: A field sequence color (FSC) display driving method includes matching an eye movement amplitude with a preset amplitude, obtaining an eye state data according to the matching result of the eye movement amplitude and the preset amplitude, and obtaining a target pixel coordinate of the target corresponding to a pixel data to be displayed based on the eyeball state data. The pixel data is displayed according to the target pixel coordinate.
    Type: Grant
    Filed: August 30, 2023
    Date of Patent: January 28, 2025
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Changwen Ma, Guowei Zha