Patents Assigned to Display Technologies
  • Display panel and flexible display device
    Patent number: 11908349
    Abstract: A display panel and a flexible display device are provided. The display panel includes a substrate, a first adhesive layer, a display layer, and a protective layer. The display layer includes an array layer and a light-emitting device layer. The array layer is disposed directly on the first adhesive layer, and a grid structure is disposed on the substrate. Neither a backplane nor a pressure-sensitive adhesive layer is disposed on the display panel, which allows effectively manufacture a thin display panel, reduces the film layers of the panel, and improves the flexibility of the display panel.
    Type: Grant
    Filed: May 27, 2020
    Date of Patent: February 20, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yong Zhao, Wen Han
  • Driving circuit of light-emitting device, backlight module and display panel
    Patent number: 11908403
    Abstract: A driving circuit of a light-emitting device, a backlight module and a display panel are disclosed in the present disclosure. The driving circuit of the light-emitting device includes a light-emitting device, a driving transistor, a data signal writing module, a first power signal writing module, a second power signal writing module, a light-emitting control module, and a storage module.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: February 20, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Bin Liu, Quansheng Liu
  • Organic light emitting diode device and display panel
    Patent number: 11910704
    Abstract: An organic light emitting diode device and a display panel are provided. The display panel includes the organic light emitting diode device. The organic light emitting diode device includes an emitting material layer. The emitting material layer includes a first common blue-light light-emitting layer, a red-green-blue light emitting layer, and a second common blue-light light-emitting layer.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: February 20, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shengfang Liu, Weiwei Li, Mugyeom Kim
  • Method for determining light-leakage degree of display panel, test fixture and computer-readable storage medium
    Patent number: 11906827
    Abstract: Provided is a method for determining a light-leakage degree of a display panel, applicable to a light-leakage detecting device, wherein a display region of the display panel comprises a plurality of sub-regions, and the method includes: acquiring a brightness value of each of the sub-regions when a target color is displayed in the display region; and determining, in response to detecting that the plurality of sub-regions comprise at least one light-leakage sub-region, the light-leakage degree of the display panel based on an average of brightness values of the plurality of sub-regions and a brightness value of the light-leakage sub-region.
    Type: Grant
    Filed: March 15, 2021
    Date of Patent: February 20, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Hanyan Sun, Minghui Zhang, Weitao Chen, Xiaopeng Cui
  • DISPLAY DEVICE
    Publication number: 20240057456
    Abstract: A display device is provided. In per unit area of the display device, a light-concentrating intensity of light emitted from sub-pixels in a non-planar display area and passing through a first optical film layer and a second optical film layer at a front viewing angle is less than a light-concentrating intensity of light emitted from the sub-pixels in a planar display area and passing through the first optical film layer and the second optical film layer at the front viewing angle. Poor user experiences at a certain viewing angle in the non-planar display area can be improved.
    Type: Application
    Filed: March 9, 2022
    Publication date: February 15, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zhuofan Chen
  • DISPLAY PANEL AND COVER PLATE ASSEMBLY
    Publication number: 20240057371
    Abstract: The present application provides a display panel and a cover plate assembly. The display panel includes: a light-emitting layer; a first adhesive layer arranged on a light-emitting surface of the light-emitting layer; a cover plate arranged on one side of the first adhesive layer away from the light-emitting layer; a second adhesive layer arranged on one side of the cover plate away from the first adhesive layer; and a protective layer arranged on one side of the second adhesive layer away from the cover plate. An orthographic projection of at least a portion of an edge of the second adhesive layer projected on the cover plate is located between two opposite edges of the cover plate.
    Type: Application
    Filed: February 10, 2022
    Publication date: February 15, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Defu Zhu
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240057449
    Abstract: A display panel and a display device are provided. The display device includes a display panel. The display panel includes a photosensitive area, a transition area, and a display area. The display panel further includes a base substrate, a drive circuit layer, and a light-emitting layer. By disconnecting the light-emitting layer in an opening on the base substrate, a lateral intrusion path from a through-hole in the photosensitive area to the display area for water and oxygen can be blocked. Therefore, poor display such as black hole spots caused by water and oxygen intrusion can be solved.
    Type: Application
    Filed: March 24, 2022
    Publication date: February 15, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Simin Peng
  • NANOPARTICLE FILM, MANUFACTURING METHOD THEREOF, AND DISPLAY PANEL
    Publication number: 20240052517
    Abstract: A nanoparticle film, a manufacturing method thereof, and a display panel are disclosed. The manufacturing method of the nanoparticle film includes following steps: providing a nanoparticle solution, wherein the nanoparticle solution includes a solvent and a plurality of nanoparticles distributed in the solvent, and a surface of the nanoparticle is provided with a surfactant ligand; and forming the nanoparticle film from the nanoparticle solution by electrodeposition.
    Type: Application
    Filed: December 17, 2021
    Publication date: February 15, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jinyang ZHAO, Lixuan CHEN, Zhiqing SHI
  • FLEXIBLE SUBSTRATE, METHOD FOR MANUFACTURING SAME, AND DISPLAY PANEL
    Publication number: 20240057467
    Abstract: A flexible substrate, a method for manufacturing same, and a display panel are provided. A constituent material of the flexible substrate includes a network polymer, and the network polymer includes a plurality of polymer chains and a plurality of connectors. Each of the polymer chains is formed by polymerizing at least a plurality of diamine monomers, and at least one of the diamine monomers includes —CF3. Each of the connectors is connected between two corresponding polymer chains, and each of the polymer chains is connected to two polymer chains respectively through at least two connectors.
    Type: Application
    Filed: August 11, 2021
    Publication date: February 15, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Linshuang LI
  • METHOD OF MANUFACTURING ARRAY SUBSTRATE, ARRAY SUBSTRATE, AND DISPLAY PANEL
    Publication number: 20240055438
    Abstract: The present application discloses a method of manufacturing an array substrate, an array substrate, and a display panel. The present application saves one photolithography process by patterning a first metal layer, a buffer layer, and a semiconductor layer in a same manufacturing process, and also saves one photolithography process by manufacturing a third electrode plate, a drain electrode, a gate electrode, a source electrode, and a connection portion in a same manufacturing process. Therefore, the method of manufacturing the array substrate provided by the present application can reduce two photolithography processes, which is beneficial to improve a production efficiency of the array substrate.
    Type: Application
    Filed: August 3, 2021
    Publication date: February 15, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chuanbao Luo
  • DISPLAY PANEL AND MANUFACTURING METHOD THEREOF
    Publication number: 20240057389
    Abstract: The present disclosure provides a display panel and a manufacturing method thereof. The display panel includes a substrate and a light-emitting structural layer. The light-emitting structural layer includes a pixel definition layer and a light-emitting functional layer. The pixel definition layer includes a plurality of intersecting dams, and a plurality of printing grooves are defined and surrounded by the dams. The light-emitting functional layer is arranged in the printing grooves. At least one diversion groove is defined on each of the dams. An extension direction of the diversion groove is same as an extension direction of a corresponding one of the dams, and a plurality of the diversion grooves pass through at intersections.
    Type: Application
    Filed: February 25, 2022
    Publication date: February 15, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Hongying Pan, Shijian Qin
  • DISPLAY PANEL AND MOBILE TERMINAL
    Publication number: 20240053856
    Abstract: A display panel and a mobile terminal are provided by the present disclosure, including a substrate and a conductive layer on the substrate. The conductive layer includes a plurality of touch electrodes, a plurality of leads, and a plurality of dummy electrodes, wherein each one of the leads is disposed between two adjacent ones of the touch electrodes, and each one of the dummy electrodes is disposed between one of the touch electrodes and one of the leads which are adjacent to each other. Each one of the leads is electrically connected between the corresponding touch electrode and a touch chip, and the dummy electrodes are electrically connected to neither the touch electrodes nor the leads. A shape of a grid structure of the touch electrodes, a shape of a grid structure of the leads, and a shape of a grid structure of the dummy electrodes are the same.
    Type: Application
    Filed: September 14, 2021
    Publication date: February 15, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Xing Wang
  • DISPLAY PANEL, PREPARATION METHOD THEREOF, AND DISPLAY DEVICE
    Publication number: 20240055552
    Abstract: Provided are a display panel, a preparation method thereof, and a display device. The display panel includes a first substrate and light-emitting assemblies. The first substrate includes a plurality of signal lines. The light-emitting assemblies are located on a side of the first substrate. A light-emitting assembly includes a second substrate, a drive assembly, a light-emitting chip, and connection portions. The light-emitting chip is located on a side of the second substrate facing away from the first substrate. The drive assembly and the light-emitting chip are located on the same side of the second substrate. The drive assembly is configured to drive the light-emitting chip to emit light. The drive assembly is electrically connected to a signal line through the connection portion. The connection portion is at least partially located on a side of the second substrate facing the first substrate.
    Type: Application
    Filed: October 25, 2023
    Publication date: February 15, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventor: Sitao HUO
  • DISPLAY PANEL
    Publication number: 20240057461
    Abstract: An embodiment of the present application provides a display panel. The display panel generates an electric field on the pixel electrode. In the display panel provided by the present application, since opposite poles that generate the electric field are specially designed, a distance between the opposite poles that generate the electric field is constant everywhere, thereby improving uniformity of the electric field. Such electric field assisted deposition of a light-emitting functional layer material and drying of the light-emitting functional layer can suppress a coffee ring effect.
    Type: Application
    Filed: August 30, 2021
    Publication date: February 15, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jinyang ZHAO, Lixuan CHEN, Zhiqing SHI
  • DISPLAY PANEL AND MANUFACTURING METHOD THEREOF, DISPLAY DEVICE, ARRAY SUBSTRATE, AND TEMPORARY SUBSTRATE
    Publication number: 20240055564
    Abstract: Provided are a display panel, a manufacturing method thereof, a display device, and an array substrate. The display panel includes an array substrate, light-emitting diodes, and a bonding layer including bonding portions. A first bonding portion of the bonding portions includes a first intermetallic compound portion. A second bonding portion of the bonding portions includes a first metal portion and a second intermetallic compound portion that are stacked. The first intermetallic compound portion includes a first metal element and a second metal element. The first metal portion includes the first metal element, and the second intermetallic compound portion includes the second metal element. The melting point of a pure metal or an alloy formed from the second metal element is lower than that of a pure metal or an alloy formed from the first metal element.
    Type: Application
    Filed: October 25, 2023
    Publication date: February 15, 2024
    Applicant: Tianma Advanced Display Technology Institute (Xiamen) Co., Ltd.
    Inventor: Zufeng HUANG
  • STRETCHABLE DISPLAY MODULE AND STRETCHABLE DISPLAY DEVICE
    Publication number: 20240053841
    Abstract: An embodiment of the present application discloses a stretchable display module and a stretchable display device. The stretchable display module comprises a display panel and a touch layer embedded in the display panel. The display panel includes island regions, bridge connection regions, and aperture regions. A pixel island is disposed in each of the island regions. Each of the connection bridges is connected to adjacent two of the pixel islands. The touch layer comprises touch modules. One touch module is disposed in each of the pixel islands, adjacent two of at least some of the touch modules are connected to each other through the connection bridge.
    Type: Application
    Filed: September 18, 2021
    Publication date: February 15, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Li Hu
  • THIN FILM TRANSISTOR AND OLED DISPLAY PANEL
    Publication number: 20240057405
    Abstract: An embodiment of the present application discloses a thin film transistor, and an OLED display panel. The thin film transistor includes a flexible underlay, a shielding layer, a buffer layer, an active layer, a shielding layer, and a buffer layer disposed between the flexible underlay and the active layer. The buffer layer at least includes a first silicon oxide layer, a dielectric constant of the first silicon oxide layer ranges from 4.04 to 4.1. Increasing the dielectric constant of the first silicon oxide layer lowers a capacitor between a flexible layer and the active layer to mitigate an issue of a back channel effect generated by charges in a flexible layer to the active layer to ease the issue of lowered brightness and sticky images.
    Type: Application
    Filed: March 10, 2022
    Publication date: February 15, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Gang Yang
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240057442
    Abstract: Disclosed are a display panel and a display device. The display panel comprises a first curved area located between two second curved areas and corresponding to a corner of a plane area. The display panel comprises a support layer and a panel main body, and the support layer comprises a curved first part located in the first curved area and a curved second part located in the second curved area; the panel main body is located on the support layer and curved with the first part and the second part. An elastic modulus of the first part is smaller than an elastic modulus of the second part.
    Type: Application
    Filed: August 6, 2021
    Publication date: February 15, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Ping He
  • DISPLAY PANEL AND DISPLAY DEVICE
    Publication number: 20240057379
    Abstract: A display panel and a display device are disclosed. The display panel includes a first electrode layer, a light-emitting layer, and a second electrode layer sequentially stacked. The light-emitting layer includes first pixels disposed in a display light-transmitting region and second pixels disposed in a main display region. A first opening between the first pixels adjacent to each other is defined by the second electrode layer. A thickness of the light-emitting layer corresponding to the first opening is less than a thickness of the light-emitting layer between the second pixels adjacent to each other. Not only can the light transmittance of the display light-transmitting region be increased, but the process can be simpler.
    Type: Application
    Filed: January 28, 2022
    Publication date: February 15, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Meng JIN, Lei LV, Lin YANG
  • DISPLAY DEVICE
    Publication number: 20240057444
    Abstract: The present application provides a display device including a display panel; a back plate disposed on an opposite side of the light-exiting surface of the display panel; an intermediate support member disposed on a side of the back plate away from the display panel; and a conductor support member disposed on a side of the intermediate support member away from the back plate, wherein the intermediate support member is provided with an opening, and a conductive member is disposed in the opening, and wherein opposite ends of the first conductive member are in electrical contact with the conductive layer and the conductive member, respectively.
    Type: Application
    Filed: September 2, 2021
    Publication date: February 15, 2024
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yang Hu, Sijia Wen