Patents by Inventor Huiping Chai

Huiping Chai 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: 20240040871
    Abstract: A display panel and a display device are provided in the disclosure. A display region of the display panel includes light-emitting elements and pixel circuits. Power signal lines are data signal lines in the display region are electrically connected to the pixel circuits. Part of power signal lines include a first power wiring section including a first power boundary. Part of the data signal lines include a first data wiring section including a first data boundary and a second data wiring section including a second data boundary. In a thickness direction, a pixel electrode overlaps the first power boundary, overlaps the first data boundary, and does not overlap the second data boundary. The minimum distance between the first power boundary and the first data boundary overlapping the same pixel electrode is smaller than the minimum distance between a first virtual boundary and the first power boundary.
    Type: Application
    Filed: October 11, 2023
    Publication date: February 1, 2024
    Applicants: Wuhan Tianma Microelectronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventor: Huiping CHAI
  • Publication number: 20230422570
    Abstract: Display panel and display device are provided. The display panel includes a plurality of pixel units disposed along a first direction and a second direction. A pixel unit of the plurality of pixel units includes at least three subpixels with different colors. In a same pixel unit, at least two of the subpixels are disposed along a first direction. Along a second direction, at least one of the subpixels is on a side of the two subpixels disposed along the first direction. The first direction intersects the second direction. In two pixel units that are at least partially adjacent, a subpixel in one of the two pixel units is adjacent to a subpixel in the other one of the two pixel units. Colors of the two adjacent subpixels are same.
    Type: Application
    Filed: October 10, 2022
    Publication date: December 28, 2023
    Inventors: Yu XIN, Huiping CHAI, Bing HAN
  • Patent number: 11848336
    Abstract: An array substrate, a display panel, and a display apparatus are provided. The array substrate includes a substrate and a first thin-film transistor located on the substrate. In an embodiment, the first thin-film transistor includes a channel and a gate electrode. In an embodiment, an orthographic projection of the gate electrode on the substrate overlaps with an orthographic projection of the channel on the substrate. In an embodiment, the gate electrode comprises a first zone and a second zone that are arranged in a first direction. In an embodiment, the channel overlapping with the first zone in a direction perpendicular to the substrate has a total width W1 in a second direction perpendicular to the first direction, the channel overlapping with the second zone in a direction perpendicular to the substrate has a total width W2 in the second direction, and W1/W2?3.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: December 19, 2023
    Assignees: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCH
    Inventors: Huiping Chai, Lijing Han, Guobing Wang
  • Publication number: 20230217685
    Abstract: A display panel and a display device are provided. The display panel includes a display area and a non-display area surrounding the display area; a first substrate and a second substrate disposed opposite to the first substrate; a plurality of supporting pillars disposed between the first substrate and the second substrate and located in the display area; and an adhesive layer disposed between the first substrate and the second substrate and located in the non-display area. The second substrate includes a plurality of film layers, the plurality of film layers include a polarizer and at least one first layer, and a thickness of a portion of the at least one first layer located in the display area is greater than a thickness of a portion of the at least one first layer located in the non-display area.
    Type: Application
    Filed: March 18, 2022
    Publication date: July 6, 2023
    Inventors: Huiping CHAI, Baoyan CHAI, Lijing HAN, Yuantao WU
  • Publication number: 20220285654
    Abstract: Provided are a display panel and a display apparatus. A display region of the display panel includes a first display region and a second display region. The display panel includes a substrate, and microstructures and optical auxiliary structures that are located on one side of the substrate. The first display region is provided with at least one microstructure. The first display region includes a light-emitting device layer. The light-emitting device layer and the microstructure are located on the same side of the substrate. The light-emitting device layer includes a first electrode layer, a light-emitting layer, and a second electrode layer. The second electrode layer is located on a side of the first electrode layer that is away from the substrate, and the microstructure is located on a side of the second electrode layer that is close to the substrate.
    Type: Application
    Filed: May 25, 2022
    Publication date: September 8, 2022
    Applicants: WUHAN TIANMA MICROELECTRONICS CO., LTD., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
    Inventors: Huiping Chai, Jiamin Guo, Lijing Han
  • Publication number: 20210399023
    Abstract: An array substrate, a display panel, and a display apparatus are provided. The array substrate includes a substrate and a first thin-film transistor located on the substrate. In an embodiment, the first thin-film transistor includes a channel and a gate electrode. In an embodiment, an orthographic projection of the gate electrode on the substrate overlaps with an orthographic projection of the channel on the substrate. In an embodiment, the gate electrode comprises a first zone and a second zone that are arranged in a first direction. In an embodiment, the channel overlapping with the first zone in a direction perpendicular to the substrate has a total width W1 in a second direction perpendicular to the first direction, the channel overlapping with the second zone in a direction perpendicular to the substrate has a total width W2 in the second direction, and W1/W2?3.
    Type: Application
    Filed: September 3, 2021
    Publication date: December 23, 2021
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Huiping CHAI, Lijing HAN, Guobing WANG
  • Patent number: 11164501
    Abstract: Provided are a display panel and a display device. The display panel is configured such that a first luminous intensity of a first sub-pixel is greater than a second luminous intensity of a second sub-pixel at a same driving current. A light blocking structure includes a grid-shaped grid line, the shortest distance between a first orthographic projection of a first sub-pixel onto a substrate and a third orthographic projection of the grid line onto the substrate is D1H along the row direction of an array, the shortest distance between a second orthographic projection of a second sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D2H along the row direction of the array, where D1H<D2H.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: November 2, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Huiping Chai, Lijing Han
  • Patent number: 10971556
    Abstract: An organic light-emitting display panel includes: pixel rows arranged sequentially along a first direction and high voltage signal lines extending along the first direction. Each pixel row includes pixel sets arranged along a second direction which intersects the first direction. Each pixel set includes first and second pixels arranged along the second direction. The first pixel includes first to third sub-pixels emitting different colors. The second pixel includes fourth to sixth sub-pixels emitting different colors. Each sub-pixel includes a pixel driving circuit and an organic light-emitting diode. The high voltage signal lines are electrically connected to the sub-pixels, so as to provide voltage signals to anodes of the organic light-emitting diodes for driving the sub-pixels to emit light. For the same pixel set, the third and fourth sub-pixels have the same color, and are electrically connected to the same third high voltage signal line.
    Type: Grant
    Filed: March 27, 2020
    Date of Patent: April 6, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yueting Fang, Yue Li, Huiping Chai, Lijing Han
  • Publication number: 20210097919
    Abstract: Provided are a display panel and a display device. The display panel is configured such that a first luminous intensity of a first sub-pixel is greater than a second luminous intensity of a second sub-pixel at a same driving current. A light blocking structure includes a grid-shaped grid line, the shortest distance between a first orthographic projection of a first sub-pixel onto a substrate and a third orthographic projection of the grid line onto the substrate is D1H along the row direction of an array, the shortest distance between a second orthographic projection of a second sub-pixel onto the substrate and the third orthographic projection of the grid line onto the substrate is D2H along the row direction of the array, where D1H<D2H.
    Type: Application
    Filed: December 30, 2019
    Publication date: April 1, 2021
    Inventors: Huiping Chai, Lijing Han
  • Patent number: 10852889
    Abstract: Provided are display panel, mobile terminal and a driving method for reducing the width of the border and increasing the touch sensitivity of the special-shaped area. The display panel is divided into a display area and a non-display area, the display area includes a first area and a second area, the first area is a convex area extending from a side of the second area and protruding away from the side of the second area; the display panel includes first touch electrodes placed in the first area and second touch electrodes placed in the second area, the first touch electrode is one of an self-capacitance touch electrode and an mutual capacitive touch electrode while the second touch electrode is the other one of the self-capacitance touch electrode and the mutual capacitive touch electrode. The display panel above is suitable for the mobile terminal.
    Type: Grant
    Filed: January 22, 2018
    Date of Patent: December 1, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Hong Ding, Lingxiao Du, Huiping Chai, Kang Yang, Liang Xie, Qing Zhang
  • Patent number: 10756142
    Abstract: Provided is a display panel and display device. The display panel includes a first non-display area, a first display area, a second display area and a third display area. The first display area at least partially surrounds the first non-display area, the first display area and the second display area are arranged in a first direction, the third display area is arranged with the first and second display areas in a second direction. The first display area includes first sub-pixels arranged in array, the second display area includes second sub-pixels arranged in array, and the third display area includes third sub-pixels arranged in array. Each first sub-pixel, each second sub-pixel and each third sub-pixel have a same size in the first direction; each first sub-pixel and each second sub-pixel have a same size in the second direction and each second sub-pixel has the size greater than each third sub-pixel in the second direction.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: August 25, 2020
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Huiping Chai, Lijing Han
  • Patent number: 10691913
    Abstract: A display panel and a display apparatus are provided. The display panel comprises an array substrate, a plurality of light emitting units disposed on the array substrate, each having a plurality of sub-light emitting units, and a plurality of fingerprint recognition units, configured to recognize fingerprints based on light reflected by a touch object to the fingerprint recognition units. Each fingerprint recognition unit is configured in coordination with at least one sub-light emitting unit. An orthogonal projection of each fingerprint recognition unit on the array substrate and an orthogonal projection of a corresponding sub-light emitting structure on the array substrate overlap with each other.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: June 23, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Huiping Chai, Yang Zeng, Kang Yang, Hong Ding, Lihua Wang, Lingxiao Du, Liang Xie, Qing Zhang
  • Patent number: 10671830
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a substrate; a plurality of light-emitting units, which are in the display area of the substrate and include emission colors: a first color, a second color and a third color, where a light transmittance of the first color and a light transmittance of the second color are both greater than a light transmittance of the third color; and a plurality of first fingerprint recognition units and a plurality of second fingerprint recognition units, which are in the display area of the substrate. Each light-emitting unit serves as a light source of each fingerprint recognition unit, and each first fingerprint recognition unit and each second fingerprint recognition unit have different configuration parameters so as to detect a same electric signal value with respect to a reflector.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: June 2, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yang Zeng, Qing Zhang, Lihua Wang, Liang Xie, Lingxiao Du, Hong Ding, Huiping Chai, Kang Yang, Qijun Yao
  • Patent number: 10607061
    Abstract: A display device, a fingerprint recognition calibration method for the display device and an electronic apparatus are disclosed. The fingerprint recognition calibration method includes: for any fingerprint recognition unit, during an initial calibration, displaying a first image by the display panel and acquiring a bright screen calibration fingerprint data by the fingerprint recognition unit and not displaying any image by the display panel and acquiring a dark screen calibration fingerprint data by the fingerprint recognition unit; during a fingerprint recognition, displaying the first image by the display panel and acquiring a bright screen fingerprint data by the fingerprint recognition unit; and performing calibration according to a calibration formula to obtain a calibrated fingerprint recognition data by the fingerprint recognition unit.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: March 31, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yang Zeng, Qing Zhang, Lihua Wang, Liang Xie, Hong Ding, Lingxiao Du, Huiping Chai, Kang Yang, Qijun Yao
  • Patent number: 10579855
    Abstract: Disclosed are a display panel and an electronic device. In a fingerprint recognition stage, at least one of the first and second organic light-emitting structures function as a light source of the fingerprint recognition unit; the emergent light of the at least one of the first and second organic light-emitting structures has a first spectral range, the transmission spectral range of the first color filter film is a second spectral range, and the spectral range corresponding to visible light and near-infrared light is a third spectral range. The first spectral range is located within the second spectral range which is located within the third spectral range, light from at least a part of the wave band located within the third spectral range and outside the second spectral range is absorbed or reflected by the first color filter film.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: March 3, 2020
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yang Zeng, Jun Ma, Qing Zhang, Lihua Wang, Liang Xie, Hong Ding, Lingxiao Du, Huiping Chai, Kang Yang, Qijun Yao
  • Patent number: 10551968
    Abstract: An array substrate and a touch display panel are provided. An auxiliary electrode layer is additionally provided in the array substrate. The auxiliary electrode layer may be located between a common electrode layer and a wiring layer, or located on a side of the wiring layer facing toward the substrate. The auxiliary electrode layer is provided to reduce coupling capacitance between the wiring and the touch display electrode. With the auxiliary electrode layer additionally provided in the array substrate, the coupling capacitance between the wiring and the touch display electrode block is reduced, thereby improving accuracy of the touch detection.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: February 4, 2020
    Inventors: Huiping Chai, Qijun Yao, Gujun Li
  • Patent number: 10475860
    Abstract: This application provides a display panel and a display device. The display panel includes an array substrate, an encapsulation layer and a fingerprint recognition module. The array substrate includes a first substrate and a plurality of light-emitting units on the first substrate. The encapsulation layer is disposed on top of the plurality of light-emitting units. The fingerprint recognition module is disposed on the encapsulation layer and includes at least one fingerprint recognition unit. The projection of the fingerprint recognition unit onto the array substrate is located in the non-light-emitting area of the first substrate. The non-light-emitting area is located between two adjacent light-emitting units.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: November 12, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lihua Wang, Yang Zeng, Qing Zhang, Kang Yang, Lingxiao Du, Hong Ding, Liang Xie, Huiping Chai, Qijun Yao
  • Publication number: 20190326364
    Abstract: Provided is a display panel and display device. The display panel includes a first non-display area, a first display area, a second display area and a third display area. The first display area at least partially surrounds the first non-display area, the first display area and the second display area are arranged in a first direction, the third display area is arranged with the first and second display areas in a second direction. The first display area includes first sub-pixels arranged in array, the second display area includes second sub-pixels arranged in array, and the third display area includes third sub-pixels arranged in array. Each first sub-pixel, each second sub-pixel and each third sub-pixel have a same size in the first direction; each first sub-pixel and each second sub-pixel have a same size in the second direction and each second sub-pixel has the size greater than each third sub-pixel in the second direction.
    Type: Application
    Filed: July 1, 2019
    Publication date: October 24, 2019
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Huiping CHAI, Lijing HAN
  • Patent number: 10423037
    Abstract: Embodiments of the present disclosure provide a liquid crystal display panel, including: a first substrate; a second substrate; and a liquid crystal layer arranged therebetween; the first substrate includes a plurality of sub-pixels, the sub-pixels are divided into a plurality of repeat units arranged in an array, each repeat units includes a plurality of sub-units arranged in an array; in each repeat units, a first sub-unit, a second sub-unit and a third sub-unit are arranged in both a row direction and a column direction; and each of the first sub-unit, the second sub-unit and the third sub-unit includes at least two color sub-pixels and at least two highlight sub-pixels; in each sub-unit, a total number of the color sub-pixel is equal to a total number of the highlight sub-pixel; a total number of the first, second and third color sub-pixel in each sub-unit is the same.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: September 24, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONIC CO., LTD.
    Inventors: Huiping Chai, Lingxiao Du, Kang Yang, Hong Ding, Yan Zhuang
  • Patent number: 10387712
    Abstract: A display panel and a display apparatus are provided. The display panel includes: an organic light emitting display panel including an array substrate and organic light emitting configurations disposed on the array substrate; a fingerprint identification module arranged in a display region and arranged at a side facing away from the organic light emitting configurations of the array substrate; an angle limiting film arranged between the organic light emitting display panel and the fingerprint identification module. The fingerprint identification module includes a first substrate, at least one fingerprint identification unit for performing fingerprint identification according to light rays reflected, through a touch body, on the fingerprint identification unit.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: August 20, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Yang Zeng, Qing Zhang, Lihua Wang, Liang Xie, Lingxiao Du, Hong Ding, Huiping Chai, Kang Yang, Qijun Yao