Patents Assigned to WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
  • DETECTION METHOD OF CREASE DEGREE OF SCREEN AND VISUAL DETECTION APPARATUS
    Publication number: 20240310295
    Abstract: The present application provides a detection method of a crease degree of a screen and a visual detection device, the detection method includes: providing detection rays, and obliquely irradiating the detection rays onto a surface to be measured of the screen; acquiring detection rays reflected by the surface to be measured of the screen to obtain a corresponding light source reflection image; analyzing the light source reflection image to obtain deformation curvatures of the light source reflection image and taking one of a maximum deformation curvature and an average deformation curvature that are obtained through the deformation curvatures as an evaluation index of a crease degree of the screen; and evaluating the crease degree of the screen.
    Type: Application
    Filed: May 30, 2024
    Publication date: September 19, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yali LIU, Yongzhen JIA
  • Method of manufacturing display panel and display panel
    Patent number: 12096658
    Abstract: Embodiments of the present disclosure provide a method of manufacturing a display panel and the display panel. The method of manufacturing the display panel includes providing an array substrate; forming an anode layer on the array substrate; forming a first pixel defining layer on the array substrate and the anode layer, wherein the first pixel defining layer includes a pixel opening exposing the anode layer; etching the first pixel defining layer to form a second pixel defining layer; forming a light-emitting layer covering the anode layer in an area of the pixel opening; forming a cathode layer on the light-emitting layer; and forming an encapsulation layer covering the cathode layer, the second pixel defining layer, and the array substrate.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: September 17, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD
    Inventor: Xingyong Zhang
  • Heat dissipation structure and foldable display device
    Patent number: 12096600
    Abstract: A heat dissipation structure and a foldable display device are provided. The heat dissipation structure includes a base material layer including a bottom wall, a first sidewall and a second sidewall. The bottom wall, the first sidewall and the second sidewall form a first accommodation space, the first sidewall and the second sidewall are respectively formed with first connecting holes and second connecting holes; and heat dissipation blades accommodated within the first accommodation space and disposed on the bottom wall. The heat dissipation structure and the foldable display device are capable of balancing the heat of the whole device and have the excellent heat dissipation performance of the whole device.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: September 17, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zhenyu Yang
  • TFT array substrate and display panel
    Patent number: 12096664
    Abstract: The disclosure provides a thin film transistor (TFT) array substrate provided with a display area and a bending area, including a substrate layer and a functional layer disposed on the substrate layer, wherein the functional layer includes a plurality of insulating layers and a plurality of metal layers. In the bending area, the metal layers include a first metal layer, a second metal layer, and a second gate layer. The first metal layer is disposed on a side end of a filling layer and connects to the second gate layer by a through hole. The second metal layer is disposed on an insulating layer on an outer side of the first metal layer.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: September 17, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Xing Ming, Zhongtao Cao
  • Display panel and display device
    Patent number: 12094419
    Abstract: The present application discloses a display panel and a display device. The display panel includes pixel rows, auxiliary pixel driver circuits, main pixel driver circuits, and gate electrode driver circuits. Scan signal lines of each level include auxiliary scan signal lines of a number Q. Connecting first auxiliary scan signal lines of a number Z of the auxiliary scan signal lines of a number Q to corresponding ones of the gate electrode driver circuits and setting an end of second auxiliary scan signal lines to float prevents setting a connection wire connecting two of the auxiliary scan signal lines to avoid coupling.
    Type: Grant
    Filed: September 6, 2021
    Date of Patent: September 17, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Songpo Xiang
  • Flexible display module
    Patent number: 12093081
    Abstract: The present disclosure provides a flexible display module including a flexible display panel and a support element. The support element includes a glue layer, and a first support plate and a second support plate respectively disposed on two opposite sides of the glue layer. The first support plate includes a first flexible part disposed in the flexible area, and the first flexible part includes a plurality of first through holes. The second support plate includes a plurality of second flexible parts disposed in the flexible area, and the second flexible part includes a plurality of blind holes.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: September 17, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Wenqiang Wang
  • Touch sensor, display panel, and electronic device
    Patent number: 12086351
    Abstract: A touch control sensor, a display panel, and an electronic device are disclosed. The display panel includes a first conductive layer, a plurality of first auxiliary electrodes, a plurality of bridge parts, and a second conductive layer. The second conductive layer is disposed on a side of the first conductive layer and includes a plurality of first touch control electrodes and a plurality of second touch control electrodes. Each of the first touch control electrodes includes a plurality of first touch control units. Each of the bridge parts is connected between two adjacent first touch control units. Each of the first auxiliary electrodes is parallelly connected to the corresponding first touch control electrode or the corresponding second touch control electrode.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: September 10, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yanan Wang, Yalong Ma
  • Display panel and display device
    Patent number: 12089478
    Abstract: A display panel and a display device are provided. The display panel includes a display region, a perimeter region, and a hole region. The display panel further comprises an inorganic insulating layer, an organic insulating layer, an organic light emitting layer and a film packaging layer stacked. The organic light emitting layer is disposed correspondingly to the display region. At least one ring groove is defined in the inorganic insulating layer and/or the organic insulating layer corresponding to the perimeter region. A portion of the film packaging layer corresponding to the ring groove is closely contacted to the inorganic insulating layer and/or the organic insulating layer.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: September 10, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Sisi Zhou
  • Display panel and display device including the same
    Patent number: 12085991
    Abstract: The present application proposes a display panel and a display device. The display panel includes a panel body and a composite bending support layer, and the composite bending support layer includes a first metal layer and a second metal layer; wherein, the first metal layer, at least located in the bending area of the display panel, includes a damascene area located in the non-bending area; the second metal layer, located in the non-bending area of the display panel, fills the damascene area; the material hardness of the first metal layer is greater than the material hardness of the second metal layer.
    Type: Grant
    Filed: August 9, 2021
    Date of Patent: September 10, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xia Chen
  • Touch display panel
    Patent number: 12086369
    Abstract: The present application provides a touch display panel. A shortest distance on a display plane from any point on outer contours of any two of sub-pixel units to a corresponding grid unit of a mesh electrode is very close or even equal. Therefore, brightness displayed by sub-pixels is more uniform at side viewing angles. Especially, brightness displayed by the sub-pixels of different colors at the side viewing angles is more uniform. Accordingly, the present application can solve a problem that the display panel has a large color shift at the side viewing angles.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: September 10, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yitong Liu, Zhuo Zhang, Zengjian Jin
  • DISPLAY MODULE AND DISPLAY DEVICE
    Publication number: 20240298504
    Abstract: A display module and a display device are provided. The display module includes a display panel and a protection layer, the protection layer is arranged on the display panel, the protection layer includes a first protection portion and a second protection portion, and the first protection portion covers a bending region, the second protection portion covers the display region and/or the binding region, and the first protection portion is formed by the second protection portion extending to the bending region. The first protection portion in the present application is configured to replace a UV glue in the prior art, and can be formed by a same process as the second protection portion.
    Type: Application
    Filed: February 15, 2023
    Publication date: September 5, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jialiang TANG, Wei HUANG
  • GATE DRIVE CIRCUITS AND DISPLAY PANELS
    Publication number: 20240296770
    Abstract: A gate drive circuit includes a plurality of gate drive units. Each of the gate drive units includes a stage transmission signal selection circuit, a pull-up control circuit, a pulse number reduction circuit, a first inversion circuit, a first output stage, and a second output stage, and can output a second gate control signal with a greater number of pulses and a first gate control signal with a less number of pulses. At least one of the stage transmission signal selection circuit, the first inversion circuit or the second output stage includes three transistors with the same channel type.
    Type: Application
    Filed: April 6, 2024
    Publication date: September 5, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Bin YUAN, Fang QIN, Cheng CHEN
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240297184
    Abstract: The present application provides a display panel and a display device. In the display panel, by disposing at least a part of at least one of the reset signal line and the low-potential signal line in the gate driving circuit area, an area of at least the part of the gate driving circuit area occupied by the reset signal line and the low-potential signal line can be reduced, so that a width of a border required for the part is reduced, thereby reducing the border of the display panel.
    Type: Application
    Filed: August 30, 2022
    Publication date: September 5, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Junyan HU, Chao DAI
  • OLED DISPLAY PANEL, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE
    Publication number: 20240298472
    Abstract: An organic electroluminescent display (OLED) panel, a manufacturing method thereof, and a display device are provided. The OLED display panel includes a first display area and a second display area, and further includes a substrate, a pixel definition layer, a spacer layer, a light-emitting layer, and a cathode. The spacer layer includes a plurality of first spacer structures disposed on an isolation structure of the first display area. The light-emitting layer is disposed in pixel openings. The cathode is disposed on the light-emitting layer. In the first display area, the cathode extends to a side surface of the first spacer structures.
    Type: Application
    Filed: April 15, 2021
    Publication date: September 5, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xiao Du, Huai Zhang
  • Display device and manufacturing method of display device
    Patent number: 12082444
    Abstract: The present application provides a display device and a manufacturing method thereof. The display device includes a transparent display region and a main display region. The display device further includes a pixel defining layer. The pixel defining layer includes a first pixel defining layer and a second pixel defining layer. The first pixel defining layer is positioned in the transparent display region. The second pixel defining layer is positioned in the main display region. An absorbance of the first pixel defining layer is less than an absorbance of the second pixel defining layer.
    Type: Grant
    Filed: May 10, 2021
    Date of Patent: September 3, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wanghui Guo
  • Display panel and display device
    Patent number: 12079426
    Abstract: A display panel and a display device are provided. A touch control signal wiring layer in the display panel includes a plurality of signal wirings correspondingly connected to a plurality of touch control sensing blocks by one to one and extending to a bonding area. The present disclosure reduces a bezel size of the display panel and also prevents the signal wirings from occupying spaces of the touch control sensing blocks in a display area by disposing the touch control signal wiring layer and a touch control electrode layer in different layers and disposing at least a part of a fan-out area in the display area, thereby ensuring touch control performances.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: September 3, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jian Ye, Pengfei Liang
  • Display panel
    Patent number: 12080233
    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: Grant
    Filed: October 12, 2021
    Date of Patent: September 3, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chao Dai, Bo Li
  • Display panel and mobile terminal
    Patent number: 12081690
    Abstract: A display panel and a mobile terminal are provided. The display panel has an effective display area and a non-effective display area disposed in sequence. The non-effective display area has a transition area. Two adjacent first island-shaped structures in the effective display area are connected by bridge-shaped structures. The first island-shaped structures and the binding member in the non-effective display area are connected by the bridge-shaped structures in the transition area, and in a direction from the effective display area to the non-effective display area, a width value of the bridge-shaped structures in the transition area gradually increases.
    Type: Grant
    Filed: July 26, 2021
    Date of Patent: September 3, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Bingkun Yin
  • Organic compound, preparation method thereof, and display panel
    Patent number: 12082501
    Abstract: Embodiments of the present invention disclose an organic compound, a preparation method thereof, and a display panel. The organic compound is represented by the following general formula: wherein a structure of the organic compound includes at least one of Ar1, Ar2, Ar3, or Ar4, any one of Ar1, Ar2, Ar3 and Ar4 includes any one or a combination of hydrogen, an isotope of hydrogen, an aromatic group, an arylamine group, a heteroarylamine group, and a fused ring group. In the embodiments of the present invention, by adding other electron-donating groups on the basis of a structure of phenazine acridine, organic compounds with high mobility are obtained.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: September 3, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Keyan Bai
  • Display panel improving luminous efficiency of light-emitting device, and display module with the same
    Patent number: 12082471
    Abstract: A display panel and a display module are provided. The display panel has a plurality of first light-emitting devices displaying a first color, a plurality of second light-emitting devices displaying a second color, and a plurality of third light-emitting devices displaying a third color, wherein the display panel has a plurality of light-emitting repeating units, and at least one first sub-pixel of each of the plurality of light-emitting repeating units comprises at least two of the first light-emitting devices, the second light-emitting devices, or the third light-emitting devices, all of which are arranged in a stack.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: September 3, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wei Zou