Patents by Inventor Fei AI

Fei AI 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).

  • Publication number: 20240363758
    Abstract: A display panel is provided by embodiments of the present application, a thin film transistor includes: a first gate electrode including a first side slope, a second side slope oppositely arranged, and a top surface; a first gate insulating layer covering the first gate electrode; a semiconductor layer arranged on the first gate insulating layer, wherein the semiconductor layer includes a first end, a second end, and a channel arranged between the first end and the second end, the second end is at least partially on the top surface, the channel is at least partially located on the first side slope.
    Type: Application
    Filed: February 28, 2023
    Publication date: October 31, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhifu LI, Guanghui LIU, Chao DAI, Fei AI, Dewei SONG, Zhuang LI
  • Patent number: 12125424
    Abstract: The present application discloses a gate driving circuit and a display panel. The gate driving circuit comprises a plurality of cascaded gate driving modules. A first driving signal can be output through a first output node, and at the same time, a second driving signal with a same phase as the first driving signal can be output through a second output node, and a gate driving sub-module and an in-phase output sub-module share the first output node and a pull-down node, which simplifies a circuit topology of the gate driving circuit.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: October 22, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mingyue Li, Chao Tian, Yanqing Guan, Fei Ai, Guanghui Liu
  • Publication number: 20240331603
    Abstract: The present application discloses a gate drive circuit and a display device. The gate drive circuit includes a plurality of cascaded gate drive units, in which one of the gate drive units includes a first layout, an input module and a pull-up module. By receiving a potential changeable signal by the gate of a first transistor or the gate of a second thin-film transistor, it can alleviate or avoid current leakage caused when a first node keeps at a same voltage level for a long time, thereby improving the stability of the potential of the first node.
    Type: Application
    Filed: June 12, 2024
    Publication date: October 3, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Mingyue LI, Chao TIAN, Yanqing GUAN, Fei AI, Guanghui LIU
  • Patent number: 12094888
    Abstract: An array substrate includes a substrate, a first metal layer and an active layer disposed on the substrate, an interlayer insulating layer, and a second metal layer. The first metal layer forms at least one first trace, the interlayer insulating layer is disposed on the first metal layer and the active layer, the second metal layer is disposed on the interlayer insulating layer, the interlayer insulating layer is formed with a first contact hole, and the second metal layer is connected to the first trace through the first contact hole. The first metal layer includes a conductive layer and a first protective layer stacked in sequence.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: September 17, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Tao Ma, Yong Xu, Wanglin Wen, Fei Ai
  • Patent number: 12087782
    Abstract: An array substrate, a display panel, and an electronic device are provided. The array substrate includes a substrate, a first conductive layer including a first connection part, a fourth insulating layer disposed on the first conductive layer and provided with a second via, and a second conductive layer disposed on the fourth insulating layer and in the second via. The second conductive layer includes a second electrode, and the second electrode is connected to the first connection part through the second via.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: September 10, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Fei Ai, Jiyue Song, Dewei Song
  • Patent number: 12087080
    Abstract: A display panel and a manufacturing method thereof are provided. A fingerprint recognition module and a storage capacitor of the display panel are disposed in a thin-film transistor (TFT) device layer. The fingerprint recognition module is electrically connected to an active layer and the storage capacitor of a TFT by an electrode layer, thereby optimizing a structure of an array substrate. Furthermore, the display panel can better receive reflected light signals and has improved fingerprint recognition performance. The display panel has a simple manufacturing process and low manufacturing costs.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: September 10, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wanglin Wen, Fei Ai, Yong Xu
  • Publication number: 20240296767
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes a plurality of scan lines and at least one pull-down circuit unit.disposed at intervals ina n The pull-down circuit includes a forward scan pull-down unit and/or a reverse scan pull-down unit. The forward scan pull-down unit receives a (n+m)th scan signal, a first control signal, and a reference low level signal, and is connected to the nth scan line. The reverse scan pull-down unit receives a (n?m)th scan signal, a second control signal, and the reference low level signal, and is connected to the nth scan line.
    Type: Application
    Filed: September 1, 2022
    Publication date: September 5, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Haiming CAO, Chao TIAN, Fei AI, Guanghui LIU
  • Patent number: 12075638
    Abstract: An array substrate, a display panel, and a display device are provided by the present application. The array substrate includes a base substrate; a light-sensitive component layer disposed on the base substrate, wherein a plurality of light-sensitive components are disposed at intervals in the light-sensitive component layer; and a first light-shielding layer disposed on the light-sensitive component layer. An orthographic projection of the first light-shielding layer on the base substrate partially overlaps with an orthographic projection of each of the light-sensitive components on the array substrate.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: August 27, 2024
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Jiyue Song, Fei Ai, Dewei Song, Fan Gong
  • Patent number: 12072594
    Abstract: The present application discloses a display panel and an electrical terminal. The display panel includes: an underlay; an array driver layer located on the underlay and including a gate electrode layer and a source and drain electrode layer; a signal line including an adaptor portion located in the non-display region, wherein the adaptor portion includes a first wire section disposed in a same layer with the gate electrode layer, a second wire section disposed in a same layer with the source and drain electrode layer, and a bridge portion electrically connected to the first wire section and the second wire section; wherein the first wire section, the second wire section, and the bridge portion are disposed in different layers.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: August 27, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Zhilin Wu, Tao Ma, Dewei Song, Fei Ai
  • Patent number: 12068330
    Abstract: A touch array substrate and a manufacturing method thereof, wherein in the touch array substrate, an active layer, an insulating layer, a pixel electrode layer, a metal layer, a planarization layer, and a common electrode layer are sequentially disposed on the buffer layer. The active layer includes a first region corresponding to a source electrode and a second region corresponding to a drain electrode. The pixel electrode layer includes a plurality of base layers. The metal layer is correspondingly disposed on the base layers. The metal layer includes a touch signal line, a data line, and a gate electrode. The common electrode layer includes a touch electrode, the source electrode, and the drain electrode.
    Type: Grant
    Filed: January 17, 2020
    Date of Patent: August 20, 2024
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yuan Yan, Yong Xu, Fei Ai, Dewei Song
  • Patent number: 12046172
    Abstract: The present application discloses a gate drive circuit and a display device. The gate drive circuit includes a plurality of cascaded gate drive units, in which one of the gate drive units includes a first layout, an input module and a pull-up module. By receiving a potential changeable signal by the gate of a first transistor or the gate of a second thin-film transistor, it can alleviate or avoid current leakage caused when a first node keeps at a same voltage level for a long time, thereby improving the stability of the potential of the first node.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: July 23, 2024
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Mingyue Li, Chao Tian, Yanqing Guan, Fei Ai, Guanghui Liu
  • Publication number: 20240234577
    Abstract: A semiconductor device and an electronic device are provided. A through hole is formed in an insulating layer and located on a first active layer. A thin-film transistor layer includes a third active layer. At least part of the third active layer is located on a sidewall of the through hole. One side of the third active layer is connected to a first active layer, and the other side of the third active layer is connected to a second active layer, so that a channel length is reduced, short channel effect is reduced, on-state current is increased, and power consumption is reduced.
    Type: Application
    Filed: November 11, 2022
    Publication date: July 11, 2024
    Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Zhifu LI, Guanghui LIU, Chao DAI, Fei AI, Dewei SONG, Chengzhi LUO
  • Publication number: 20240233433
    Abstract: A fingerprint collection device and a display panel are provided. The fingerprint collection device includes: a base substrate, a driving circuit layer, a first passivation layer, a photodiode, a second passivation layer, and an electrode layer. A first electrode portion is electrically connected to the photodiode through a second via. A second electrode portion is electrically connected to a first signal trace and a second signal trace through a third via and a fourth via to form a bridge structure. Since the third via, the fourth via, and the second via are formed in same process, one process can be saved.
    Type: Application
    Filed: March 10, 2022
    Publication date: July 11, 2024
    Inventors: Fan GONG, Fei AI, Jiyue SONG, Dewei SONG
  • Publication number: 20240234576
    Abstract: The present application provides a thin-film transistor having a vertical structure and an electronic device. In the thin-film transistor having the vertical structure, the thin-film transistor includes a first doped portion and a second portion, the second doped portion is connected to and partly in contact with a channel portion through a via hole by arranging the second doped portion in the via hole of an insulating layer, which can reduce a contact area between the second doped portion and the channel portion, thereby reducing ions diffusing into a channel region and improving device stability of the thin-film transistor. Also, in the thin-film transistor having the vertical structure, a projection area of the thin-film transistor can be reduced, improving an aperture ratio of a display panel.
    Type: Application
    Filed: November 4, 2022
    Publication date: July 11, 2024
    Inventors: Zhifu LI, Guanghui LIU, Fei AI, Dewei SONG, Chengzhi LUO
  • Patent number: 12033424
    Abstract: A light-sensitive sensor, an array substrate, and an electronic equipment are provided. The light-sensitive sensor includes a third metal layer, a second semiconductor layer, and a fourth metal layer. The third metal layer includes a second gate. The second semiconductor layer includes conductive portions, and the conductive portions are disposed at both ends of the second semiconductor layer. The fourth metal layer disposed on the second semiconductor layer, and the fourth metal layer includes a second source and a second drain.
    Type: Grant
    Filed: August 14, 2020
    Date of Patent: July 9, 2024
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jianfeng Yuan, Fan Gong, Fei Ai, Jiyue Song, Dewei Song, Shiyu Long
  • Publication number: 20240221564
    Abstract: The present application provides a display panel and an electronic device. The electronic device comprises the display panel. The display panel comprises a gate driving unit, a first auxiliary driving unit and scan lines. The first auxiliary driving unit rapidly pulls down the falling edge of the scan signal transmitted in the scan line to reduce the delay of the falling edge of the scan line. Thus, the number of gate driving units in the display panel can be reduced, thereby reducing the width of the frame of the display panel and the electronic device.
    Type: Application
    Filed: December 14, 2021
    Publication date: July 4, 2024
    Inventors: Chao TIAN, Yanqing GUAN, Guanghui LIU, Fei AI
  • Publication number: 20240222446
    Abstract: The present application provides a thin film transistor and an electronic device. The thin film transistor includes: a crystalline active pattern, wherein the crystalline active pattern includes a channel and two contact portions, and the two contact portions are connected to opposite two sides of the channel in a direction intersecting a thickness direction of the crystalline active pattern; a groove located on at least one of the two contact portions and extending in the thickness direction of the crystalline active pattern; a source electrode and a drain electrode connected to the two contact portions, respectively; and an insulating layer being in contact with the channel.
    Type: Application
    Filed: August 30, 2022
    Publication date: July 4, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Fei Ai, Dewei Song
  • Patent number: 12027543
    Abstract: An array substrate and a display panel are provided. The array substrate includes a substrate, and a switch component and a light-sensing component adjacent to each other and disposed on the substrate. The switch component includes a first semiconductor disposed on the substrate. The light-sensing component includes a second semiconductor disposed on a same layer as the first semiconductor and a light-sensing electrode disposed on a side of the second semiconductor away from the substrate and connected to the second semiconductor. The light-sensing electrode and the second semiconductor constitute a Schottky knot.
    Type: Grant
    Filed: March 11, 2021
    Date of Patent: July 2, 2024
    Inventors: Fuhsiung Tang, Fan Gong, Fei Ai, Jiyue Song
  • Patent number: 12020614
    Abstract: A gate drive circuit and a display panel are provided. A pull-up module and a pull-down module of the gate drive circuit output a constant-voltage high potential to a second node, a third node, and a n-th stage gate drive signal through a P-type thin film transistor and output constant-voltage low potential through a N-type thin film transistor to the second node, the third node, and an n-th gate drive signal, thereby improving the stability of the output signal of the thin film transistor connected to the gate drive circuit and the key node.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: June 25, 2024
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Haiming Cao, Chao Tian, Yanqing Guan, Fei Ai, Guanghui Liu
  • Publication number: 20240204012
    Abstract: An array substrate and a display panel are provided. The array substrate includes a substrate, an active layer, a first insulating layer, and a first opening. The active layer is disposed on a side of the substrate and includes a first active portion and a second active portion. The first insulating layer is disposed on a side of the active layer away from the substrate and covers the active layer. The first opening is formed on the first active portion. The first opening exposes the first insulating layer. An integration of a pixel driving element and a photosensitive element on the array substrate is realized, and a photosensitive performance of the photosensitive element is improved.
    Type: Application
    Filed: August 8, 2022
    Publication date: June 20, 2024
    Applicant: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Jiyue Song, Fei Ai