Patents by Inventor Zuzhao Xu

Zuzhao Xu 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: 11908373
    Abstract: The present application provides a display driving circuit and a display device, wherein the display driving circuit comprises a plurality of driving units, each of the driving units comprises a plurality of stages of sub driving units, each of the driving units is electrically connected to one of independent triggering units, and the sub driving units in the driving units are electrically connected stage by stage; and the display device comprises the display driving circuit. A structure of the driving circuit can realize partitioned work of the driving circuit, and can reduce power consumption of the display device when the display driving circuit is applied in the display device.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: February 20, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zuzhao Xu, Seungkyu Choi
  • Patent number: 11906835
    Abstract: A touch display panel and a display device utilize one thin film transistor is configured for one touch wiring. The thin film transistor is turned on during the lighting test and a corresponding electrical signal is input, which can change the floating state of the touch wiring. The coupling effect between the touch wiring and a data line can be reduced or eliminated, which reduces interference with a data signal, so that bright-line phenomenon caused by the floating touch wiring interfering with the data line during the lighting test can be improved or eliminated.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: February 20, 2024
    Assignee: WUHAN CHINA OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zuzhao Xu, Xiaoxia Zhang
  • Publication number: 20240045545
    Abstract: The present invention provides a display panel including a display area and a terminal area adjacent to each other, the terminal area includes a driving chip area bonded with a driving chip, a plurality of touch leads are provided in the driving chip area, first ends of the plurality of touch leads are electrically connected to a plurality of touch electrodes in the display area, and a plurality of test pins is electrically connected to second ends of the plurality of touch leads and used for transmitting a test signal are also located in the driving chip area.
    Type: Application
    Filed: September 6, 2021
    Publication date: February 8, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zuzhao Xu
  • Publication number: 20230129629
    Abstract: The present application provides a display driving circuit and a display device, wherein the display driving circuit comprises a plurality of driving units, each of the driving units comprises a plurality of stages of sub driving units, each of the driving units is electrically connected to one of independent triggering units, and the sub driving units in the driving units are electrically connected stage by stage; and the display device comprises the display driving circuit. A structure of the driving circuit can realize partitioned work of the driving circuit, and can reduce power consumption of the display device when the display driving circuit is applied in the display device.
    Type: Application
    Filed: May 26, 2020
    Publication date: April 27, 2023
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Zuzhao Xu, Seungkyu Choi
  • Publication number: 20230096095
    Abstract: A touch display panel and a display device utilize one thin film transistor is configured for one touch wiring. The thin film transistor is turned on during the lighting test and a corresponding electrical signal is input, which can change the floating state of the touch wiring. The coupling effect between the touch wiring and a data line can be reduced or eliminated, which reduces interference with a data signal, so that bright-line phenomenon caused by the floating touch wiring interfering with the data line during the lighting test can be improved or eliminated.
    Type: Application
    Filed: October 13, 2021
    Publication date: March 30, 2023
    Inventors: Zuzhao XU, Xiaoxia ZHANG
  • Patent number: 11495621
    Abstract: The disclosure relates to an array substrate, a display panel, and a method of manufacturing the array substrate. The array substrate includes a substrate, and a non-organic membrane layer, a first organic layer, and a source/drain electrode layer which are sequentially disposed on the substrate. The substrate includes a display region. A first opening and a second opening are defined in the non-organic membrane layer and defined in the display region. The first organic layer fills the first opening. A thickness of the first organic layer is not greater than a depth of the first opening. The first organic layer does not fill the second opening. The source/drain electrode layer covers an inner wall of the second opening.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: November 8, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zuzhao Xu
  • Patent number: 11462569
    Abstract: A display panel and a method for fabricating the same are provided, the display panel including a substrate, a first insulating layer on the substrate, a source-drain layer on the first insulating layer, and a flexible layer pattern. The source-drain layer includes sources and drains. The flexible layer pattern includes at least one opening, the sources and the drains of the display panel are arranged in the openings, and the at least one opening corresponds to at least one of the sources and at least one of the drains.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: October 4, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zuzhao Xu
  • Patent number: 11374035
    Abstract: The present application provides an array substrate and a display panel. The array substrate includes a substrate, an active layer, a first metal layer, a second metal layer, a flexible material layer, and a source/drain layer which are disposed in a stack. The active layer forms a source and a drain and connected to a first connection member formed by the second metal layer through a first through-hole. The first connection member is connected to a doped region of the active layer by a second through-hole. An aperture of the first through-hole is greater than an aperture of the second through-hole. Therefore, a technical problem of a poor connection between the source/drain and the active layer is relieved.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: June 28, 2022
    Inventor: Zuzhao Xu
  • Publication number: 20220181358
    Abstract: The disclosure relates to an array substrate, a display panel, and a method of manufacturing the array substrate. The array substrate includes a substrate, and a non-organic membrane layer, a first organic layer, and a source/drain electrode layer which are sequentially disposed on the substrate. The substrate includes a display region. A first opening and a second opening are defined in the non-organic membrane layer and defined in the display region. The first organic layer fills the first opening. A thickness of the first organic layer is not greater than a depth of the first opening. The first organic layer does not fill the second opening. The source/drain electrode layer covers an inner wall of the second opening.
    Type: Application
    Filed: August 16, 2019
    Publication date: June 9, 2022
    Inventor: Zuzhao XU
  • Patent number: 11315952
    Abstract: The present disclosure relates to an array substrate, a manufacturing method thereof, and a display panel, the array substrate including: a substrate, and a low temperature polysilicon layer, an inorganic film group layer, and a source/drain layer disposed on the substrate in sequence. The substrate includes a display region, the low temperature polysilicon layer located at the display region, the inorganic film group layer provided with a through hole, and an angle between a sidewall and a bottom wall of the through hole is not less than 100 degrees; the source/drain layer covering the sidewall and the bottom wall of the through hole to be connected to the low temperature polysilicon layer.
    Type: Grant
    Filed: September 23, 2019
    Date of Patent: April 26, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Zuzhao Xu
  • Patent number: 11302764
    Abstract: The present disclosure provides an array substrate and a flexible display panel. A source/drain of the array substrate is connected to an active terminal of an active layer through a second through-hole, and is connected to a first metal terminal of a first metal layer through a third through-hole, and is connected to a second metal terminal of a second metal layer through a fourth through-hole. A distance between the second through-hole and the first through-hole is greater than a predetermined distance, which reduces the impact of film segment difference and relieve the problem of faults in source/drain in the current flexible display panels.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: April 12, 2022
    Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zuzhao Xu
  • Patent number: 11215897
    Abstract: Provided are an array substrate, an electronic paper display panel and a drive method thereof and a display device. A display area includes a plurality of sub-display areas, a plurality of data lines in each sub-display area are electrically insulated from each other, corresponding data lines in different sub-display areas are electrically connected to each other, and a control signal line is configured to control display time of each sub-display area. When a control chip and a flexible circuit board are employed, only a small number of control chips and flexible circuit boards may drive the plurality of sub-display areas to display pictures.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: January 4, 2022
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Zuzhao Xu, Kerui Xi, Baiquan Lin, Xiaohe Li, Jine Liu, Feng Qin, Qiongqin Mao, Tinghai Wang, Mingwei Zhang
  • Publication number: 20210408067
    Abstract: The present disclosure relates to an array substrate, a manufacturing method thereof, and a display panel, the array substrate including: a substrate, and a low temperature polysilicon layer, an inorganic film group layer, and a source/drain layer disposed on the substrate in sequence. The substrate includes a display region, the low temperature polysilicon layer located at the display region, the inorganic film group layer provided with a through hole, and an angle between a sidewall and a bottom wall of the through hole is not less than 100 degrees; the source/drain layer covering the sidewall and the bottom wall of the through hole to be connected to the low temperature polysilicon layer.
    Type: Application
    Filed: September 23, 2019
    Publication date: December 30, 2021
    Inventor: Zuzhao XU
  • Publication number: 20210384278
    Abstract: The present disclosure provides an array substrate and a flexible display panel. A source/drain layer of the array substrate is connected to an active layer through a second through-hole, and is connected to a first metal layer through a third through-hole, and is connected to a second metal layer through a fourth through-hole. A distance between the second through-hole and the first through-hole is greater than a predetermined distance, which reduces the impact of film segment difference and relieve the problem of faults in source/drain layers in the current flexible display panels.
    Type: Application
    Filed: December 19, 2019
    Publication date: December 9, 2021
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zuzhao XU
  • Publication number: 20210288080
    Abstract: A display panel and a method for fabricating the same are provided, the display panel including a substrate, a first insulating layer on the substrate, a source-drain layer on the first insulating layer, and a flexible layer pattern. The source-drain layer includes sources and drains. The flexible layer pattern includes at least one opening, the sources and the drains of the display panel are arranged in the openings, and the at least one opening corresponds to at least one of the sources and at least one of the drains.
    Type: Application
    Filed: September 20, 2019
    Publication date: September 16, 2021
    Inventor: Zuzhao XU
  • Publication number: 20210028195
    Abstract: The present application provides an array substrate and a display panel. The array substrate includes a substrate, an active layer, a first metal layer, a second metal layer, a flexible material layer, and a source/drain layer which are disposed in a stack. The active layer forms a source and a drain and connected to a first connection member formed by the second metal layer through a first through-hole. The first connection member is connected to a doped region of the active layer by a second through-hole. An aperture of the first through-hole is greater than an aperture of the second through-hole. Therefore, a technical problem of a poor connection between the source/drain and the active layer is relieved.
    Type: Application
    Filed: December 3, 2019
    Publication date: January 28, 2021
    Applicant: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
    Inventor: Zuzhao XU
  • Publication number: 20190392771
    Abstract: Provided are an array substrate, an electronic paper display panel and a drive method thereof and a display device. A display area includes a plurality of sub-display areas, a plurality of data lines in each sub-display area are electrically insulated from each other, corresponding data lines in different sub-display areas are electrically connected to each other, and a control signal line is configured to control display time of each sub-display area. When a control chip and a flexible circuit board are employed, only a small number of control chips and flexible circuit boards may drive the plurality of sub-display areas to display pictures.
    Type: Application
    Filed: November 13, 2018
    Publication date: December 26, 2019
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Zuzhao Xu, Kerui Xi, Baiquan Lin, Xiaohe Li, Jine Liu, Feng Qin, Qiongqin Mao, Tinghai Wang, Mingwei Zhang
  • Patent number: 10409134
    Abstract: An electronic paper display panel, including a first and second substrate; an electrophoresis layer arranged between the first and second substrates, the electrophoresis layer including black electrophoretic particle, white electrophoretic particle and at least one color electrophoretic particle; a first electrode layer arranged at a side of the first substrate facing the second substrate including multiple first electrodes; a second electrode layer arranged at a side of the second substrate facing the first substrate including multiple second electrodes; and a drive circuit; multiple pixel areas correspond multiple second electrodes; each first electrode includes a first sub-electrode and a second sub-electrode placed in same pixel area, which are insulated from each other, correspond to one second electrode and are connected with drive circuit, the first sub-electrode receives voltage signal different from voltage signal the second sub-electrode receives; the first electrode is common electrode and the seco
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: September 10, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONIC CO., LTD.
    Inventors: Jinyu Li, Kerui Xi, Zuzhao Xu, Wenqin Xu, Lei Du, Yian Zhou
  • Patent number: 10347659
    Abstract: A display panel is described. Further, an electroluminescent display panel and a display device are described. By arrangement of a second signal bus line, a first end of a first signal line in a first display area in the display panel is electrically connected with the first signal bus line, and the second end of the first signal line is electrically connected with a first conducting wire in the second signal bus line, so that uniformity of a signal input by the first signal line in the first display area can be ensured. Therefore, the structure is not only the precondition of ensuring signal uniformity of the first display area, but is also the precondition of ensuring signal uniformity of a display area of the entire display panel.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: July 9, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Kerui Xi, Tingting Cui, Zhonglan Cai, Zuzhao Xu
  • Publication number: 20180329268
    Abstract: An electronic paper display panel, including a first and second substrate; an electrophoresis layer arranged between the first and second substrates, the electrophoresis layer including black electrophoretic particle, white electrophoretic particle and at least one color electrophoretic particle; a first electrode layer arranged at a side of the first substrate facing the second substrate including multiple first electrodes; a second electrode layer arranged at a side of the second substrate facing the first substrate including multiple second electrodes; and a drive circuit; multiple pixel areas correspond multiple second electrodes; each first electrode includes a first sub-electrode and a second sub-electrode placed in same pixel area, which are insulated from each other, correspond to one second electrode and are connected with drive circuit, the first sub-electrode receives voltage signal different from voltage signal the second sub-electrode receives; the first electrode is common electrode and the seco
    Type: Application
    Filed: October 12, 2017
    Publication date: November 15, 2018
    Inventors: Jinyu LI, Kerui XI, Zuzhao XU, Wenqin XU, Lei DU, Yian ZHOU