Patents Assigned to Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
  • PIXEL DRIVING CIRCUIT, PIXEL DRIVING METHOD, AND DISPLAY PANEL
    Publication number: 20240304140
    Abstract: The present disclosure provides a pixel driving circuit, a pixel driving method, and a display panel. The pixel driving circuit includes a light emitting element electrically connected between a first node and a second node; a driving transistor connected in series between the second node and the light emitting element; and an auxiliary transistor connected in series between a third node and the light emitting element, where the auxiliary transistor is configured to generate an auxiliary current to jointly drive the light emitting element with a driving current generated by the driving transistor.
    Type: Application
    Filed: April 15, 2022
    Publication date: September 12, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Peng WAN
  • PIXEL COMPENSATION CIRCUIT, DRIVE METHOD THEREOF, AND DISPLAY PANEL
    Publication number: 20240304135
    Abstract: Disclosed are a pixel compensation circuit, a drive method thereof, and a display panel. The pixel compensation circuit includes a drive transistor, a data write module, a first initialization module, a second initialization module, a storage capacitor, and a light-emitting device. The drive timing of the pixel compensation circuit includes a threshold voltage compensation stage in which a detected threshold voltage of the drive transistor is less than an actual threshold voltage of the drive transistor.
    Type: Application
    Filed: November 15, 2023
    Publication date: September 12, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yuwen CHEN, Zhongzhi SHEN
  • VACUUM DRYING APPARATUSES, VACUUM DRYING METHODS AND DISPLAY PANELS
    Publication number: 20240306482
    Abstract: The present disclosure provides a vacuum drying apparatus, a vacuum drying method, and a display panel; the vacuum drying apparatus includes a cavity, and an abutment and a condenser disposed within the cavity; the abutment includes a first side configured to carry a substrate and having a first temperature; the condenser includes a second side facing the first side and having a second lower than temperature lower than the first temperature; the second side includes a first part configured to face a center area of the substrate and a second part surrounding the first part, and a temperature of the first part is lower than a temperature of the second part.
    Type: Application
    Filed: December 8, 2023
    Publication date: September 12, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Youyuan KUANG
  • ELECTRODEPOSITION APPARATUS AND METHOD FOR ELECTRODEPOSITION
    Publication number: 20240301583
    Abstract: Embodiments of the present application provide an electrodeposition apparatus including a laminating mechanism, a dispensing platform, a liquid-feed device, a power supply device, and a control module. A first electrode substrate is fixed on a first surface of the dispensing platform. A second electrode substrate is fixed on a second surface of the laminating mechanism. The control module is configured to control movement of the laminating mechanism so that a gap is defined between the first surface and the second surface. The control module is further configured to control the liquid-feed device to inject a nanoparticle solution into the gap, and control the power supply device to apply voltages to the first electrode substrate and the second electrode substrate to perform electrodeposition process on the first electrode substrate and/or the second electrode substrate.
    Type: Application
    Filed: December 29, 2023
    Publication date: September 12, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Jinyang ZHAO
  • SOLDER-PRINTING STENCIL AND METHOD OF PRINTING SOLDER PASTE
    Publication number: 20240306307
    Abstract: A solder-printing stencil and a method of printing solder paste are provided in the present application. A solder-printing stencil is used for printing a solder paste on a substrate in cooperation with a squeegee blade, the solder-printing stencil includes: a stencil body including a first region, a second region, and a third region, wherein the third region is defined between the first region and the second region, the third region is provided with a plurality of mesh holes spaced along a squeegeeing direction of the squeegee blade; and protruding portions are provided on a side of the stencil body facing the substrate, and the protruding portions are provided on both the first region and the second region.
    Type: Application
    Filed: March 22, 2022
    Publication date: September 12, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zhuhui Li
  • Light emitting circuit having bistable circuit module for changing potential of gate of driving transistor, backlight module and display panel
    Patent number: 12087241
    Abstract: The present application discloses a light emitting circuit, a backlight module and a display panel. The light emitting circuit includes a light emitting device, a driving transistor, a data signal writing module, a first control module, a bistable circuit module, and a second control module. The first control module, the bistable circuit module, and the second control module work together to control a potential reversal of a gate of the driving transistor. By setting a bistable circuit module in the light emitting circuit, the present application can quickly change the potential of the gate of the driving transistor, so as to accurately control the luminous time of the light emitting device.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: September 10, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Jian Xu
  • Pixel-driving circuit and display device
    Patent number: 12087210
    Abstract: A pixel-driving circuit and a display device are provided. The pixel-driving circuit includes a switching circuit and a driving circuit. The switching circuit is activated according to one of first and second scan signals to provide a corresponding one of first and second data signals. The driving circuit is connected with the switching circuit and a light-emitting component, and generates a driving current according to the corresponding one of the first and second data signals to drive the light-emitting component. In driving periods of the first and second data signals, the first and second data signals are pulse signals having sub-cycles with different driving periods. By providing the first and second data signals with different time sequence of the sub-cycles to alternately drive the light-emitting component, a ratio cycle of the smallest sub-cycle is enhanced, thereby reducing the driving frequency.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: September 10, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Lei Gao
  • Double-sided display panel, method of manufacturing double-sided display panel, and electronic equipment
    Patent number: 12089454
    Abstract: A double-sided display panel, a method of manufacturing the double-sided display panel, and electronic equipment. In the double-sided display panel provided by an embodiment of the present application, by providing a light-emitting device layer on a front side of the panel and an electrochromic layer on a back side of the panel, front and back sides of the panel can achieve display effects. In addition, a first light-shielding conductive layer is also provided between the light-emitting device layer and the electrochromic layer, thereby improving the display effects of the front and back sides of the double-sided display panel.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: September 10, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd
    Inventors: Weiran Cao, Libin Zhou
  • Display device
    Patent number: 12080218
    Abstract: A display device is provided, including a circuit board, a display panel, a plurality of clock signal lines, and a plurality of grounding resistors. Each clock signal line extends from the circuit board to a non-display area of the display panel. The plurality of grounding resistors are disposed on the circuit board. Each grounding resistor is connected to a corresponding clock signal line, and is configured to reduce a voltage value of high level of the clock signal.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: September 3, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Xiaohui Yao, Hua Fu, Zhida Xu
  • Array substrate and method for fabricating same
    Patent number: 12080723
    Abstract: An array substrate and a method for fabricating the same are provided. The array substrate includes a base substrate, a pixel unit, and a spacer stacked sequentially. The pixel unit includes a main pixel electrode and a thin film transistor. The main pixel electrode includes a main electrode, a plurality of branch electrodes, and a plurality of connection lines. The main electrode includes a first strip electrode and a second strip electrode crossing each other. The branch electrodes extend diagonally from the main electrode. The connection lines extend from some of the branch electrodes and are electrically connected to the thin film transistor. A projection of the spacer and a projection of the connection lines on the base substrate do not overlap, and the two projections do not overlap in a direction parallel to the first strip electrode and a direction parallel to the second strip electrode.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: September 3, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Jian Zhang, Chaofan Liu
  • Display panel and manufacturing method thereof
    Patent number: 12080543
    Abstract: A display panel includes a substrate, a first metal layer, and a first insulating layer, an oxide semiconductor layer, a second insulating layer, a second metal layer, a third insulating layer, and a third metal layer stacked on each other sequentially. The first insulating layer includes a first region and a second region adjacent to the first region, and a thickness of the second region is less than a thickness of the first region. A projection of at least a portion of the oxide semiconductor layer projected on the substrate overlaps with a projection of the first metal layer projected on the substrate. The third metal layer is connected to the first metal layer through a third via hole, and the third via hole is extended through the first insulating layer and the third insulating layer.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: September 3, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yuanpeng Chen, Yuanjun Hsu
  • Display panel and method for fabricating same
    Patent number: 12082475
    Abstract: A display panel and a method for fabricating the same are provided. In the display panel, an undercut structure is formed below a second auxiliary electrode, so that a cathode electrode and a first auxiliary electrode have an overlapping region, and the cathode electrode and the first auxiliary electrode are connected.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: September 3, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Gaobo Lin
  • Color filter substrate, manufacturing method thereof, and display panel
    Patent number: 12082472
    Abstract: A color filter substrate, a manufacturing method thereof, and a display panel are provided. The color filter substrate includes a first substrate, a color resist layer, an overcoat layer, and a quantum dot layer, which are sequentially stacked. The color resist layer includes a plurality of sub-color resist layers with different colors arranged along a second direction, and there is no black matrix disposed between two adjacent sub-color resist layers. The quantum dot layer is divided into a plurality of quantum dot areas arranged along the second direction. A plurality of banks are disposed between and correspond to two adjacent quantum dot areas, and the banks are black.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: September 3, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Liangfen Zhang
  • Pixel array, display panel, and display device
    Patent number: 12080722
    Abstract: A pixel array, a display panel, and a display device are provided. The pixel array includes a first pixel electrode, a first data line, and a second data line. The first pixel electrode includes a first side and a second side opposite to the first side. The first data line is electrically connected to the first pixel electrode. The first data line is adjacent to the first side of the first pixel electrode and extends to the second side. The second data line is adjacent to the first data line. At least a portion of the second data line is disposed between the second side and the first data line. The first data line and the second data line are respectively configured to transmit signals with opposite polarities.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: September 3, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Yichen Bai, Zhijuan Long, Hongquan Wei
  • Display panel and driving method thereof
    Patent number: 12079425
    Abstract: The present disclosure provides a display panel and a driving method thereof. The display panel includes a substrate, a light control device, a display device, and a touch device. The light control device, the display device, and the touch device are disposed on the substrate. Wherein, the light control device, the display device, and the touch device operate in a first time period, a second time period, and a third time period, respectively, and any two of the first time period, the second time period, and the third time period are not intersected.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: September 3, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Bao Zha
  • DISPLAY PANEL, MANUFACTURING METHOD THEREOF, AND DISPLAY DEVICE
    Publication number: 20240290889
    Abstract: The present disclosure provides a display panel, a manufacturing method thereof, and a display device. The display panel includes a substrate and a thin film transistor layer disposed on the substrate, wherein the thin film transistor layer includes an active layer, a metal layer, and an anti-reflection layer; the anti-reflection layer is at least disposed on a side of the metal layer close to the active layer, and a reflectivity of the anti-reflection layer is less than a reflectivity of the metal layer.
    Type: Application
    Filed: March 31, 2021
    Publication date: August 29, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Macai LU
  • ARRAY SUBSTRATE, MANUFACTURING METHOD THEREOF, AND DISPLAY PANEL
    Publication number: 20240290793
    Abstract: An array substrate, a manufacturing method thereof, and a display panel are provided. The present invention uses an inkjet printing method to construct a two-dimensional nanomaterial as a photosensitive film, and adjusts a composition of the nanomaterial to construct a photoelectric film with high gain, which is then combined with a high mobility film to construct a display device with high mobility and broad spectrum light response.
    Type: Application
    Filed: November 9, 2020
    Publication date: August 29, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yu ZHANG, Miao JIANG, Jiangbo YAO, Lixuan CHEN, Xin ZHANG
  • Array substrate and manufacturing method thereof and display panel
    Patent number: 12074174
    Abstract: An array substrate and a manufacturing method thereof, and a display panel are disclosed. The array substrate includes a substrate, a switching transistor, and a driving transistor. The switching transistor and the driving transistor are disposed on the substrate. An orthogonal projection of the switching transistor on the substrate is staggered from an orthogonal projection of the driving transistor on the substrate. A mobility of the switching transistor is greater than a mobility of the driving transistor, and a threshold voltage of the driving transistor is less than a threshold voltage of the switching transistor.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: August 27, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Chuanbao Luo, Jiangbo Yao
  • Display panel and display device
    Patent number: 12072569
    Abstract: A display panel and a display device are disclosed. The display panel includes drive transistors and photosensitive transistors disposed in a same layer of a first substrate. Each of the photosensitive transistors is correspondingly disposed in a gap between at least two adjacent color resist blocks. A plurality of pairs of first light-shielding support columns are disposed between the first substrate and a second substrate, a first end thereof is connected to the first substrate, and a second end thereof is connected to the second substrate. Wherein, each pair of the first light-shielding support columns is disposed corresponding to each of the photosensitive transistors by one to one.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: August 27, 2024
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Haijun Wang, Jiangbo Yao
  • Array substrate and manufacturing method thereof, display panel
    Patent number: 12074221
    Abstract: The present invention provides an array substrate and a display panel. The array substrate includes: an underlay; a source electrode and drain electrode disposed on underlay; a light shielding portion disposed on underlay; an active layer correspondingly disposed on the source electrode, the drain electrode, and the light shielding portion. The active layer includes a channel region, and the light shielding portion is disposed to correspond to the channel region. The present invention reduces processes and lowers cost by disposing the source electrode, the drain electrode, and the light shielding portion in a same layer such that the source electrode, the drain electrode, and the light shielding portion are simultaneously formed with a same material by a same process.
    Type: Grant
    Filed: July 29, 2021
    Date of Patent: August 27, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chuanbao Luo