Patents Assigned to Display Technologies
  • Publication number: 20240347006
    Abstract: Provided are a display panel. When a bias adjustment control signal is an effective pulse signal, a bias adjustment module is on and provides a bias adjustment signal for a drive transistor. The data refresh rate of a first pixel circuit is a first frequency F1. The data refresh rate of a second pixel circuit is a second frequency F2. F1?F2. A data refresh period of the first pixel circuit includes R1 image refresh frames. A data refresh period of the second pixel circuit includes R2 image refresh frames. The sum of time durations of effective pulses of the bias adjustment control signal is Ws1 in the data refresh period of the first pixel circuit. The sum of time durations of effective pulses of the bias adjustment control signal is Ws2 in the data refresh period of the second pixel circuit. Ws1/R1?Ws2/R2.
    Type: Application
    Filed: June 27, 2024
    Publication date: October 17, 2024
    Applicant: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Yong YUAN, Ping AN
  • Publication number: 20240346976
    Abstract: A method of compensating for data of a display panel includes: obtaining display data of an image to be displayed; determining a viewing angle improvement rate for improving viewing angle of the display panel based on the display data; obtaining a target compensation table for compensating the display panel by a preset compensation algorithm based on the viewing angle improvement rate; and compensating for the display data based on the target compensation table.
    Type: Application
    Filed: May 31, 2023
    Publication date: October 17, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jhenwei HE
  • Publication number: 20240349561
    Abstract: A display panel includes an array substrate, a passivation layer, a flat layer, a second electrode layer, and a luminescent functional layer. The array substrate includes a first electrode layer. A first hole is defined in the passivation layer. A second hole is defined in the flat layer. A third hole is defined in the second electrode layer. The luminescent functional layer includes a luminescent layer, a cathode layer, and an anode layer connected to the first electrode layer. A projection area of the first hole on the array substrate is greater than a projection area of the second hole on the array substrate. The first electrode layer is located at a bottom of the first hole. The cathode layer is connected to the second electrode layer through the third hole, and connected to the first electrode layer through the second hole and the first hole.
    Type: Application
    Filed: December 17, 2023
    Publication date: October 17, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Qianyi ZHANG
  • Patent number: 12120940
    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: Grant
    Filed: July 20, 2021
    Date of Patent: October 15, 2024
    Assignees: Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Huanhuan Wang
  • Patent number: 12119356
    Abstract: The application provides a driver board and a display panel; the driver board comprises a substrate, a metal oxide semiconductor active layer, a gate layer, and a first protective layer; the gate layer is arranged on the side of the metal oxide semiconductor active layer away from the substrate, the first protective layer covers the gate layer, the material of the first protective layer is metal oxide semiconductor, and the oxygen content of the first protective layer is greater than the oxygen content of the metal oxide semiconductor active layer. The first protective layer in the driver board of the present application could block water vapor in the environment, so as to improve the transistor performance.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: October 15, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chuanbao Luo
  • Patent number: 12120923
    Abstract: The present application provides a display device and a method for manufacturing the display device. The display device includes a display region and a non-display region. The display device includes an array substrate, a planarization layer, a pixel defining layer, and a protective layer. The planarization layer is disposed on the array substrate. The pixel defining layer is located in the display region. The pixel defining layer is disposed on the planarization layer. The protective layer is located in the non-display region. The protective layer is disposed on the planarization layer.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: October 15, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yungsheng Chen, Qian Jiang
  • Patent number: 12118948
    Abstract: A gate drive circuit, a display panel and a display apparatus are provided in the present disclosure. The gate drive circuit includes a quantity n of shift register units arranged along a first direction. A shift register unit includes an input circuit, a first node control circuit, a second node control circuit and an output control circuit. The first node control circuit is configured to control a stage of a first node; and the second node control circuit is configured to control a stage of a second node. The output control circuit is configured to control the scan signal output terminal to output a scan signal. Control terminals of an input circuit of an m-th shift register unit are electrically connected to scan signal output terminals of an (m+1)-th shift register unit and an (m?1)-th shift register unit respectively, where m?n.
    Type: Grant
    Filed: June 22, 2023
    Date of Patent: October 15, 2024
    Assignee: Xiamen Tianma Display Technology Co., Ltd.
    Inventors: Zhiwei Zhou, Wenxin Lin
  • Patent number: 12120910
    Abstract: A display module and a mobile terminal are disclosed. The display module includes a display panel, a color film layer, and an ultraviolet (UV) blocking film layer disposed on a side of the color film layer away from the display panel. The UV blocking film layer covers the color film layer. A material of the UV blocking film layer includes an optical resin material with a UV blocking function. A transmittance of the UV blocking film layer to UV rays below 400 nm is less than 1%, and a transmittance of the UV blocking film layer to visible light is greater than 92%.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: October 15, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Hui Chen
  • Patent number: 12119430
    Abstract: The present application provides a color film substrate, a method for preparing the color film substrate, and a display panel; wherein the color film substrate comprises a substrate, a light shielding layer and a plurality of pixel units arranged on the substrate, a plurality of openings are formed on the light shielding layer, and a condensing component is arranged at bottoms of parts of the openings, wherein the condensing component is used for converging emitted light of the first color sub-pixel unit and the second color sub-pixel unit, so as to change an emission angle of the emitted light to alleviate a problem of a poor light extraction efficiency of existing QDCF structures under a front viewing angle.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: October 15, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Lixuan Chen
  • Patent number: 12118943
    Abstract: A driving circuit, a display panel, and a display device are disclosed. In the driving circuit, the display panel, and the display device disclosed in the present disclosure, the gamma module outputs the first initialization voltage and the second initialization voltage when the display panel is in the internal compensation mode, and the gamma module outputs the third initialization voltage and the reference voltage when the display panel is in the detection mode.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: October 15, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhiyi Chen, Zhenling Wang
  • Patent number: 12118163
    Abstract: The present application provides a display panel and a display device. The display panel includes a display area and a fan-out area. The display panel further includes a substrate, a display layer including a common electrode trace, and a touch layer including a peripheral touch trace. In the fan-out area, a projection of the common electrode trace on the substrate and a projection of the peripheral touch trace on the substrate are at least partially overlapped, and at least three insulation film layers are provided between the common electrode trace and the peripheral touch trace in at least an area where their projections are overlapped.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: October 15, 2024
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jian Ye
  • Patent number: 12119547
    Abstract: The present invention provides a high reliability portable device, including a cover board, a touch module layered with the cover board, a display module layered with the touch module, and an antenna module layered with the cover board; the antenna module includes an antenna layer with an antenna frame, a first conductive layer with a first conductive frame conductive with the antenna frame, and a protection layer with a protection frame covering the antenna frame and the first conductive frame; the first conductive frame is tougher than the antenna frame, therefore even if the antenna frame is broken, the first conductive layer would still be intact to transmit and receive wireless signals.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: October 15, 2024
    Assignee: EMERGING DISPLAY TECHNOLOGIES CORP.
    Inventors: Han-Tsung Wu, Chao-Ping Wu, Po-Tsun Liu
  • Patent number: 12117705
    Abstract: A liquid crystal display apparatus includes a TFT substrate including first and second gate bus lines, source bus lines, and pixels and a liquid crystal layer. The pixel includes a pixel electrode, a common electrode, an auxiliary electrode, and first to third TFTs. The gates of the first and second TFTs are connected to one of the first and second gate bus lines, and the drains are connected to the pixel electrode and the auxiliary electrode, respectively. The gate of the third TFT is connected to the other of the first and second gate bus lines, and the source and drain of the third TFT are connected to the pixel electrode and the auxiliary electrode, respectively. Gate signals are applied to the first and second gate bus lines so that the TFTs connected to the first and second gate bus lines are turned on at different points in time.
    Type: Grant
    Filed: October 9, 2023
    Date of Patent: October 15, 2024
    Assignee: Sharp Display Technology Corporation
    Inventor: Masakatsu Tominaga
  • Patent number: 12118914
    Abstract: A display control method determines whether a low frame rate compensation function is in an on state when a frame rate of a current frame rendered by a graphics processor is smaller than a minimum refresh rate of a display panel, performs grayscale compensation on at least one frame of display picture in consecutive n frames of display pictures of the display panel when the low frame rate compensation function is in the on state, and controls the display panel to display the compensated consecutive n frames of display pictures.
    Type: Grant
    Filed: October 30, 2023
    Date of Patent: October 15, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zeng Huang
  • Patent number: 12117679
    Abstract: Provided is a liquid crystal display device that can switch between the privacy mode and the public mode and achieve a high contrast ratio even during display in the privacy mode. The liquid crystal display panel includes: a liquid crystal panel; and a control circuit. The active matrix substrate sequentially includes a first substrate, a first electrode, a first insulating layer, and second electrodes each including a first linear electrode. The color filter substrate includes a second substrate, a black matrix, a color filter layer, a third electrode, and a fourth electrode which is disposed between the black matrix and the third electrode and to which constant voltage is applied. The third electrode includes second linear electrodes and overlaps a portion of the black matrix in a plan view. The control circuit switches between application of driving voltage and application of constant voltage to the third electrode.
    Type: Grant
    Filed: January 13, 2023
    Date of Patent: October 15, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Koji Murata, Hiroshi Tsuchiya, Shinpei Higashida, Takahiro Sasaki, Takashi Satoh, Shinji Shimada
  • Patent number: 12120926
    Abstract: A display panel, an array substrate, and a method of manufacturing thereof are provided, and the method includes: forming a semiconductor material layer, a barrier component, a first insulating layer, a gate, a second insulating layer, and an interlayer dielectric layer on the array substrate in order, performing a photolithographic process on the first insulating layer, gate, second insulating layer, and interlayer dielectric layer with a predetermined mask, forming a first via hole, a second via hole, and a groove; forming a source, drain, metal component and; and forming a planarization layer.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: October 15, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Sihang Bai
  • Patent number: 12120917
    Abstract: A display panel and a mobile terminal are disclosed in the present disclosure. The display panel includes a substrate and a pixel driving circuit layer. The pixel driving circuit layer includes a plurality of pixel driving circuits, and each of the pixel driving circuits at least includes a compensation transistor and a shielding component. An orthogonal projection of the shielding component projected on the substrate at least partially overlaps an orthogonal projection of the compensation transistor projected on the substrate, so that the compensation transistor is not affected by a potential of the substrate, thereby enhancing the reliability of currents of the pixel driving circuits.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: October 15, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Wei Wang
  • Patent number: 12120939
    Abstract: A cover plate and a display device is provided. The cover plate includes a first cover plate layer and a second cover plate layer. The first cover plate layer is located on a light entry side of the cover plate. The second cover plate layer is located on a light exit side of the cover plate and attached to a first surface of the first cover plate layer. A plurality of protrusions are disposed on the first surface of the first cover plate layer. A refractive index of the first cover plate layer is less than a refractive index of the second cover plate layer.
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: October 15, 2024
    Assignees: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chen Zhao
  • Patent number: 12117706
    Abstract: An active matrix substrate includes a pixel TFT provided corresponding to each pixel region, a pixel electrode electrically connected to the pixel TFT, a plurality of gate wirings extending in a row direction, and a plurality of source wirings extending in a column direction. Each gate wiring has a multilayer structure including a lower gate wiring electrically connected to a lower gate electrode included in the pixel TFT and an upper gate wiring electrically connected to an upper gate electrode included in the pixel TFT. In a case where the number of the gate wirings is defined as m and the number of the source wirings is defined as n, each gate wiring has 3 or more and less than n contact portions, each contact portion is positioned in any of n intersection regions, and the number of the contact portions overlapping each source wiring is less than m.
    Type: Grant
    Filed: January 8, 2024
    Date of Patent: October 15, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Kengo Hara, Tohru Daitoh, Yoshihito Hara, Jun Nishimura, Yohei Takeuchi
  • Patent number: 12117697
    Abstract: A liquid crystal display device includes a first substrate, a second substrate, and a liquid crystal layer. Each pixel includes a reflective region and a transmissive region. The first substrate includes a reflective layer, an interlayer insulating layer provided to cover the reflective layer, and a pixel electrode provided on the interlayer insulating layer in each pixel. The interlayer insulating layer has a recess portion which is defined by a bottom surface and an inclined side surface and at least a part of which is located in the transmissive region. A depth of the recess portion of the interlayer insulating layer is 0.5 ?m or more, and an inclination angle of the inclined side surface of the recess portion is 25° or less.
    Type: Grant
    Filed: October 26, 2023
    Date of Patent: October 15, 2024
    Assignee: Sharp Display Technology Corporation
    Inventors: Mariko Honda, Nobuhiro Waka, Hiroyuki Hakoi, Takahiro Sasaki, Takashi Satoh, Akira Sakai, Seiji Maeda