Patents by Inventor Baixiang Han

Baixiang Han has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11985859
    Abstract: The present disclosure provides a display panel and a method for fabricating the same. The display panel includes a light transmitting area for disposing an organic light emitting unit and a storage area for disposing a storage capacitor. A location of the light transmitting area corresponds to a location of the storage area. The storage capacitor includes a first electrode plate and a second electrode plate which are composed of a transparent material.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: May 14, 2024
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Baixiang Han, Kun Cao
  • Publication number: 20240155917
    Abstract: An embodiment of the present application discloses a display panel, which includes a display area and a border area defined outside the display area, wherein a thin film transistor layer is disposed on a substrate; a light-emitting device corresponds to the display area and disposed on the thin film transistor layer; a support member corresponds to the border area, the support member is disposed on the substrate, and the support member is configurated to withstand external forces; and each of the support member includes at least one gradation portion, and in a thickness direction of the display panel, a width of the gradation portion has a gradation tendency.
    Type: Application
    Filed: December 21, 2021
    Publication date: May 9, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Baixiang Han, Kuo Gao, Zhibin Han
  • Publication number: 20240135849
    Abstract: The present application provides a gate driving circuit, a driving method, and a display panel. The gate driving circuit includes a pull-up control module, a pull-up module, a pull-down control module, a pull-down module, and a voltage stabilizing module. The pull-down node and the pull-up control module are connected to the voltage stabilizing module, which is not only reduce a leakage current of the pull-down node in the high potential state to stabilize the high potential of the pull-down node, but also maintain the level of the pull-down node in the low potential state to stabilize the low potential of the pull-down node.
    Type: Application
    Filed: December 30, 2022
    Publication date: April 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zhenyang Qiao, Liuqi Zhang, Baixiang Han
  • Publication number: 20240057400
    Abstract: The present disclosure discloses a display panel having a bending region, the display panel including a substrate, a stress releasing layer, and a conductive structure, wherein a first stress releasing layer is disposed on the substrate, and corresponding to the bending region. The conductive structure is disposed on the substrate, and a Young's modulus of the conductive structure is greater than a Young's modulus of the first stress releasing layer.
    Type: Application
    Filed: January 24, 2022
    Publication date: February 15, 2024
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Hua LI, Baixiang HAN
  • Publication number: 20240057448
    Abstract: A flexible display panel is provided. The flexible display panel includes a substrate, a driving circuit layer disposed on one side of the substrate, a light emitting structure disposed on one side of the driving circuit layer away from the substrate, and a packaging layer disposed on one side of the light emitting structure away from the driving circuit layer, wherein a buffer member is disposed on a surface of at least one layer of the packaging layer or the substrate.
    Type: Application
    Filed: December 24, 2021
    Publication date: February 15, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Weiran Cao, Xiang Yin, Baixiang Han
  • Publication number: 20240032230
    Abstract: A display panel and a display device include a bending region and a non-bending region. The display panel includes a flexible display substrate, a protective film disposed on a surface of the flexible display substrate and covering the non-bending region, and a protective film disposed on a surface of the flexible display substrate and covering the non-bending region. A hollow part is formed in a border region of the bending region and the non-bending region, and the protective adhesive is filled in the hollow part and contacts to the protective film. A technical problem of low reliability of current display panels can be relieved.
    Type: Application
    Filed: December 16, 2021
    Publication date: January 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Weiran Cao, Weiyao Wei, Baixiang Han
  • Publication number: 20240029649
    Abstract: A display panel is disclosed. The display panel includes a pixel driving circuit. The pixel driving circuit includes: a first transistor, wherein the first transistor and a light-emitting device are series-connected between a first power line and a second power line; and a second transistor, wherein the second transistor and the light-emitting device are series-connected between the first power line and the second power line. A width-to-length ratio of the first transistor is greater than a width-to-length ratio of the second transistor. A display device is further disclosed.
    Type: Application
    Filed: December 16, 2021
    Publication date: January 25, 2024
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Weiran CAO, Kuo GAO, Baixiang HAN
  • Publication number: 20230229043
    Abstract: A display panel and a display device are provided. The display panel has a first area, a second area, and a third area arranged in sequence. The display panel includes a substrate, a plurality of first wirings, and a plurality of second wirings. The first wirings extend from the first area to the second area. The second wirings extend from the second area to the third area. The first wirings and the second wirings are arranged in different layers. The first wirings and the second wirings are connected in a one-to-one correspondence through via holes. The via holes are staggered in the second area.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 20, 2023
    Inventors: Mingming LI, Baixiang HAN
  • Publication number: 20230221757
    Abstract: A foldable display panel and a manufacturing method of the display panel are provided. A plurality of photo spacers are disposed in a first region of the foldable display panel, i.e., the plurality of photo spacers are disposed at a folded position. Widths of the photo spacers gradually decrease from a flexible substrate to a direction away from the flexible substrate. When the foldable display panel is folded, the photo spacers can cooperate with a folding curve to contact with each other, thereby reducing extrusion between the plurality of photo spacers.
    Type: Application
    Filed: January 11, 2022
    Publication date: July 13, 2023
    Inventors: Kang LIU, Baixiang HAN
  • Publication number: 20230189597
    Abstract: The present application provides a flexible display panel including: an underlay substrate; at least one first conductive line being continuous line-shaped, disposed on the underlay substrate; at least one second conductive line being broken line-shaped, corresponding to the first conductive line, and disposed on the first conductive line, wherein each of the second conductive line includes a plurality of conductive line sections, the conductive line sections are spaced from one another, and is electrically connected to a corresponding one of the first conductive line. A rigidity of the first conductive line is less than a rigidity of the conductive line sections, and a conductivity of the conductive line sections is greater than a conductivity of the first conductive line. The configuration of the first conductive line and the second conductive line makes the flexible display panel have both rigidity and conductivity.
    Type: Application
    Filed: December 21, 2021
    Publication date: June 15, 2023
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Weiran CAO, Weijing ZENG, Baixiang HAN
  • Publication number: 20230113473
    Abstract: A pixel arrangement structure provided by the present invention comprises a plurality of pixel groups. Each of the pixel groups comprises a first pixel, a second pixel, a third pixel, and a fourth pixel, wherein the first pixel includes a first sub-pixel and a second sub-pixel, and the second pixel includes the first sub-pixel and one second sub-pixel, two second sub-pixels in the first pixel and the second pixel share one same first sub-pixel, the third pixel and the fourth pixel both comprise a third sub-pixel and one second sub-pixel, two second sub-pixels in the third pixel and the fourth pixel share one same third sub-pixel, and the second sub-pixel is a blue sub-pixel. The invention increases the service lifespan of the blue sub-pixel.
    Type: Application
    Filed: April 15, 2020
    Publication date: April 13, 2023
    Applicant: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Kuo GAO, Baixiang HAN, Liuqi ZHANG, Jianxin LIU, Zhibin HAN
  • Patent number: 11610550
    Abstract: A gate driving unit includes an input module, a first output module, a second output module, a feedback module, and an output-controlling module. The input module outputs a previous level-transferring signal into a first node. The first output module outputs a present level-transferring signal. The second output module outputs a scan signal. The feedback module outputs a present-level feedback signal. The output-controlling module pulls up potential of the scan signal to a first direct-current high voltage and pulls up potential of the present level-transferring signal to a second direct-current high voltage.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: March 21, 2023
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Liuqi Zhang, Baixiang Han
  • Patent number: 11594182
    Abstract: The present invention provides a gate driver on array (GOA) circuit, a display panel, and a threshold voltage compensating method for a thin film transistor (TFT). The GOA circuit only includes five TFTs and achieves a super narrow bezel of a display panel, and uses a dual-gate electrode structure as the first thin film transistor (T1). Therefore, a threshold voltage (Vth) in the GOA circuit is controlled by a top gate (the top gate connected to a node in the GOA circuit) and a bottom gate (adjustable voltage source (VLS)). Specifically, when the Vth of the TFT negatively shifts overall, the bottom gate voltage can be adjusted negatively. When the Vth of the TFT positively shifts, the bottom gate voltage can be adjusted negatively to stabilize the GOA circuit, increase a lifespan thereof, reduce leakage of a first node (Q) such that the GOA circuit can output ultra-wide pulse signals.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: February 28, 2023
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Yan Xue, Baixiang Han
  • Publication number: 20220375410
    Abstract: A gate driving unit includes an input module, a first output module, a second output module, a feedback module, and an output-controlling module. The input module outputs a previous level-transferring signal into a first node. The first output module outputs a present level-transferring signal. The second output module outputs a scan signal. The feedback module outputs a present-level feedback signal. The output-controlling module pulls up potential of the scan signal to a first direct-current high voltage and pulls up potential of the present level-transferring signal to a second direct-current high voltage.
    Type: Application
    Filed: March 19, 2020
    Publication date: November 24, 2022
    Inventors: Liuqi ZHANG, Baixiang HAN
  • Patent number: 11488557
    Abstract: A gate driver on array (GOA) circuit layout is provided, including a plurality of driving thin-film transistor units, wherein each of the driving thin-film transistor units includes a wiring side and a capacitor side, and any two adjacent driving thin-film transistor units are spaced apart and connected in series with each other; and a plurality of first capacitor areas, wherein each of the first capacitor areas is disposed between two adjacent capacitor sides of the driving thin-film transistor units. The GOA circuit layout according to the present invention increases heat dissipation area for the driving thin-film transistors, which is more advantageous for heat dissipation. On the other hand, because of sufficient use of the first capacitor areas, a size of layout is basically not increased.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: November 1, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Liuqi Zhang, Baixiang Han
  • Publication number: 20220310019
    Abstract: The present invention provides a gate driver on array (GOA) circuit, a display panel, and a threshold voltage compensating method for a thin film transistor (TFT). The GOA circuit only includes five TFTs and achieves a super narrow bezel of a display panel, and uses a dual-gate electrode structure as the first thin film transistor (T1). Therefore, a threshold voltage (Vth) in the GOA circuit is controlled by a top gate (the top gate connected to a node in the GOA circuit) and a bottom gate (adjustable voltage source (VLS)). Specifically, when the Vth of the TFT negatively shifts overall, the bottom gate voltage can be adjusted negatively. When the Vth of the TFT positively shifts, the bottom gate voltage can be adjusted negatively to stabilize the GOA circuit, increase a lifespan thereof, reduce leakage of a first node (Q) such that the GOA circuit can output ultra-wide pulse signals.
    Type: Application
    Filed: December 26, 2019
    Publication date: September 29, 2022
    Inventors: Yan XUE, Baixiang HAN
  • Patent number: 11444141
    Abstract: The present disclosure provides a display panel including gate lines and data lines disposed on a base substrate. The base substrate is further divided into pixel regions including transparent regions and pixel circuit regions having pixel circuits. The pixel circuit regions of at least two adjacent pixel regions are disposed next to each other and form a pixel circuit joining region, so that the pixel circuit regions of a same row or a same column of the pixel regions are arranged spaced apart from each other. Two adjacent pixel circuit joining regions are spaced apart by the transparent regions.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: September 13, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Xiang Xiao, Baixiang Han
  • Patent number: 11398529
    Abstract: A display panel and a manufacturing method thereof, the display panel includes a first sub-pixel strip, a second sub-pixel strip, and a third sub-pixel strip arranged in a row direction or a column direction. The sub-pixels on each sub-pixel strip of the present disclosure have the same color and are arranged in series. The first sub-pixels on the first sub-pixel strip and the second sub-pixels on the second sub-pixel strip are staggered to improve flatness of printing the luminous material and luminous uniformity of OLED devices.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: July 26, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Zhibin Han, Baixiang Han, Jianxin Liu, Liuqi Zhang, Kuo Gao
  • Patent number: 11367755
    Abstract: A display panel with a high aperture ratio, a manufacturing method thereof, and a display device are provided. The display panel includes effective light emitting regions and invalid light emitting regions. Added opening regions are further defined on the invalid light emitting regions of the display panel. Color filter layers are formed in the added opening regions. Regions where the color filter layers in the added opening regions on the display panel are located on are added effective light emitting regions. An aperture ratio and a pixel density of the display panel can be increased to achieve a purpose of improving display effect of the display panel.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: June 21, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Jianxin Liu, Baixiang Han
  • Patent number: 11335256
    Abstract: A pixel circuit, a display panel and a method for improving low gray-level uniformity for a display panel are provided. A feedthrough effect can be effectively reduced by increasing resistance value of a resistor line between a source of a switching thin-film transistor and a gate of a driving thin-film transistor. Low gray-level uniformity of the display panel is improved. Quality of the display panel is enhanced.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: May 17, 2022
    Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventors: Shuai Zhou, Yan Xue, Baixiang Han