Patents by Inventor Lijing HAN

Lijing 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: 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: 10748972
    Abstract: The present disclosure provides an organic light-emitting display panel and a display device. The organic light-emitting display panel has display area including fingerprint recognition region and non-fingerprint recognition region; and non-display area surrounding the display area. The organic light-emitting display panel includes: a base substrate; organic light-emitting elements arranged in the display area, located on a side of the base substrate and having at least three different colors; and a fingerprint recognition unit arranged in the fingerprint recognition region. The organic light-emitting elements include first organic light-emitting element disposed in the fingerprint recognition region and second organic light-emitting element disposed in the non-fingerprint recognition region, which emit light of a same color.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: August 18, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Lijing Han, Yu Xin, Yueting Fang, Min Liu
  • Publication number: 20200227488
    Abstract: The present disclosure provides a display panel having a first display region and second display region, and a display apparatus. The display panel includes a sub-pixel array that includes a plurality of sub-pixels in an array and distributed in the first display region and the second display region. A non-light-emitting region in the second display region has a greater light transmittance than a non-light-emitting region in the first display region, a distribution density of sub-pixels of the plurality of sub-pixels in the second display region is smaller than a distribution density of sub-pixels of the plurality of sub-pixels in the first display region, and among sub-pixels emitting a same color, a light-emitting area of a sub-pixel in the second display region is larger than a light-emitting area of a sub-pixel in the first display region.
    Type: Application
    Filed: May 23, 2019
    Publication date: July 16, 2020
    Inventors: Yu XIN, Kang YANG, Lijing HAN, Xian CHEN
  • Publication number: 20200185427
    Abstract: A display panel and a display device are provided. The display panel includes: a plurality of pixel circuits arranged in a matrix; a data line extending in a first direction and being electrically connected to the plurality of pixel circuits; a power signal line extending in the first direction and being electrically connected to the plurality of pixel circuits; an inorganic passivation layer located on surfaces, facing toward a light-emitting surface of the display panel, of the data line and the power signal line; and an anti-crosstalk structure. An orthographic projection of at least partial region of the anti-crosstalk structure on a plane of the display panel is located between an orthographic projection of the data line and an orthographic projection of the power signal line on the plane of the display panel.
    Type: Application
    Filed: May 24, 2019
    Publication date: June 11, 2020
    Applicant: Xiamen Tianma Micro-Electronics Co., Ltd
    Inventors: Liujing Fan, Lijing Han, Zhiyong Xiong, Di Zhu
  • Publication number: 20200168686
    Abstract: The present disclosure provides a display panel and a display device. The display panel includes pixel circuits arranged in a matrix, and a blocking unit. Each pixel circuit includes: a driving transistor; a first switch transistor; a second switch transistor; and a third switch transistor. The blocking unit is configured to receive a fixed potential signal, and at least a partial area of the blocking unit is located between a first semiconductor connection portion and a second semiconductor connection portion, the first semiconductor connection portion is connected between a second electrode of the first switch transistor and a gate electrode of the driving transistor, and the second semiconductor connection portion is electrically connected between a first electrode of the second switch transistor and a data line.
    Type: Application
    Filed: March 20, 2019
    Publication date: May 28, 2020
    Inventors: Lijing HAN, Xian CHEN, Yu XIN
  • Patent number: 10614753
    Abstract: The present disclosure provides a display panel and an electronic device including the display panel. The display panel includes a plurality of sub-pixels and a plurality of pixel units. The plurality of sub-pixels includes at least a first color sub-pixel and at least a second color sub-pixel. The plurality of sub-pixels and the plurality of pixel units are arranged in a one-to-one correspondence manner. The display panel provided by the present disclosure can greatly reduce the difficulty of the preparation process while remaining a high aperture ratio, thereby improving the production yield of the display panel, significantly reducing the preparation cost of the display panel, greatly improving the display performance of the display panel, providing a comfortable user experience.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: April 7, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Wanwan Xia, Xian Chen, Lijing Han, Yu Xin
  • Publication number: 20200103574
    Abstract: A polarizer, a display panel and a display device including the polarizer are provided. The polarizer includes: a first polarizing layer, a first protective film and a first pressure-sensitive adhesive layer. The first polarizing layer includes a first hollow portion and a first polarizing portion surrounding the first hollow portion. The first protective film covers the first hollow portion and the first polarizing portion. The first pressure-sensitive adhesive layer is located at a side of the first polarizing layer facing away from the first protective film. With the display panel and the display device including the polarizer, since the first hollow portion is disposed in the first polarizing portion, an image collecting device such as a camera can be disposed in the polarizing region, thereby improving utilization of the surface area of the polarizer provided by the embodiments of the disclosure, and increasing the screen-to-body ratio.
    Type: Application
    Filed: January 24, 2019
    Publication date: April 2, 2020
    Applicant: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xian CHEN, Lijing HAN
  • Patent number: 10565424
    Abstract: A display panel is provided. The display panel includes a plurality of pixel units arranged in a fingerprint recognition region. Each of the plurality of pixel units includes a first electrode and a light-emitting layer. A driving unit of each pixel unit includes a storage capacitor. An orthographic projection of the storage capacitor on a plane of the display panel is located within an orthographic projection of the corresponding first electrode on the plane of the display panel. An orthographic projection of the light-emitting layer of each organic light-emitting device on the plane of the display panel is located within an orthographic projection of the corresponding first electrode. A distance between an edge of an orthographic projection of the first electrode and an edge of an orthographic projection of the light-emitting layer of each red and/or green organic light-emitting device is larger that of each blue organic light-emitting device.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: February 18, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu Xin, Lijing Han, Xian Chen
  • Patent number: 10546911
    Abstract: Provided is an organic light-emitting display panel including gate lines, data lines intersecting with gate lines in an insulation manner, pins located in pin region; and sub-pixel units, each including cathode layer; an anode layer, and light-emitting layer between cathode layer and anode layer. The sub-pixel units include first to sixth sub-pixel units. The first to third sub-pixel units emit light with different colors. The fourth to sixth sub-pixel units emit light with different colors. The first and fourth sub-pixel units emit light with same color. A distance between first sub-pixel unit and pin region is larger than a distance between fourth sub-pixel unit and pin region. A distance between cathode layer of first sub-pixel unit and anode layer of first sub-pixel unit is larger than a distance between cathode layer of fourth sub-pixel unit and anode layer of fourth sub-pixel unit is a fourth distance.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: January 28, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Haimin Liu, Liyuan Liu, Lijing Han, Xue Wang
  • Publication number: 20200006448
    Abstract: The present disclosure provides an organic light-emitting display panel and a display device. The organic light-emitting display panel has display area including fingerprint recognition region and non-fingerprint recognition region; and non-display area surrounding the display area. The organic light-emitting display panel includes: a base substrate; organic light-emitting elements arranged in the display area, located on a side of the base substrate and having at least three different colors; and a fingerprint recognition unit arranged in the fingerprint recognition region. The organic light-emitting elements include first organic light-emitting element disposed in the fingerprint recognition region and second organic light-emitting element disposed in the non-fingerprint recognition region, which emit light of a same color.
    Type: Application
    Filed: November 12, 2018
    Publication date: January 2, 2020
    Inventors: Xian CHEN, Lijing HAN, Yu XIN, Yueting FANG, Min LIU
  • Publication number: 20200006444
    Abstract: Provided are a display panel and a display device. The display panel includes a display region having a first steplike edge. The display region is provided with a plurality of sub-pixel groups. Each sub-pixel group includes a first sub-pixel unit, a second sub-pixel unit and a third sub-pixel unit. The first sub-pixel unit, the second sub-pixel unit and the third sub-pixel unit have different luminous colors. Along a connecting line of step apex angles of the first steplike edge, the display region is provided with a plurality of first sub-pixel groups and a plurality of second sub-pixel groups. The first sub-pixel unit in each first sub-pixel group is disposed at a step apex angle of the first steplike edge, and the second sub-pixel unit in each second sub-pixel group is disposed at the step apex angle of the first steplike edge.
    Type: Application
    Filed: September 26, 2018
    Publication date: January 2, 2020
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yuan Li, Xian Chen, Lijing Han, Kaihong Huang
  • Publication number: 20190392190
    Abstract: The present disclosure provides a display panel, a display apparatus and a method for manufacturing the display panel. The display panel includes a driving circuit, a light-emitting device, and a fingerprint recognition unit. The light-emitting device includes a first electrode, a second electrode, and an organic function layer disposed between the first and second electrodes, and the first electrode is a reflective electrode. The driving circuit includes a light-emitting control transistor and a first initialization transistor that are connected to the first electrode via the first through-hole. The driving circuit includes at least a first driving circuit, and a minimum distance between the first through-hole of the first driving circuit and a first gate signal line connected to the first initialization transistor is smaller than a minimum distance between the first through-hole and a second gate signal line connected to the light-emitting control transistor.
    Type: Application
    Filed: December 28, 2018
    Publication date: December 26, 2019
    Inventors: Xian CHEN, Lijing HAN, Yueting FANG
  • Patent number: 10516015
    Abstract: An organic light-emitting display panel is provided. The display panel includes a first driving voltage line arranged on an interlayer insulation layer and electrically connected with a source electrode or drain electrode of a driving transistor, a first reference voltage line arranged on a substrate and configured to extend in a first direction; a second reference voltage line arranged on the substrate and configured to extend in a second direction perpendicular to the first direction. A first electrode of the first switch transistor is electrically connected with the first reference voltage line, and a second electrode of the first switch transistor is electrically connected with a first electrode plate of a capacitor. A first electrode of the second switch transistor is electrically connected with the second reference voltage line, and a second electrode of the second switch transistor is electrically connected with a gate electrode of the driving transistor.
    Type: Grant
    Filed: September 29, 2018
    Date of Patent: December 24, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu Xin, Yue Li, Lijing Han
  • Publication number: 20190377923
    Abstract: The present disclosure provides a display panel and a display device. The display panel has a display area and non-display area. The display panel includes a plurality of display units arranged in an array within the display area; and a plurality of pixel driving circuits correspondingly connected to the plurality of display units. The display area includes a fingerprint recognition region. The plurality of display units disposed within the fingerprint recognition region includes at least one first display unit. The plurality of pixel driving circuits includes at least one first pixel driving circuit electrically connected to the at least one first display unit. Each of the at least one first pixel driving circuit includes a storage capacitor and a plurality of thin film transistors. The storage capacitor and/or at least one of the plurality of thin film transistors are located within the non-display area.
    Type: Application
    Filed: September 7, 2018
    Publication date: December 12, 2019
    Inventors: Xian CHEN, Xingxing YANG, Lijing HAN, Chunpeng ZHANG, Yongzhi WANG, Tao PENG
  • Publication number: 20190332844
    Abstract: Provided are a display panel and a display device. The display panel includes a display assembly, which includes a base substrate and a plurality of light-emitting units disposed on one side of the base substrate, where each of the plurality of light-emitting unit includes a reflective electrode; a fingerprint recognition assembly, which is disposed on one side of the reflective electrode facing away from a light emitting surface of the light-emitting unit, and includes at least one fingerprint recognition unit which is configured to perform fingerprint recognition; and a first reflecting layer, which is disposed on one side of the reflective electrode facing to the fingerprint recognition assembly and includes at least one first reflecting unit, where at least part of a vertical projection of the first reflecting unit on a film layer where the fingerprint recognition unit is located is in an area other than the fingerprint recognition unit.
    Type: Application
    Filed: December 26, 2018
    Publication date: October 31, 2019
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Min Liu, Lijing Han, Xian Chen, Yu Xin, Nannan Song, Zuhua Li
  • 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: 10403212
    Abstract: The disclosure discloses a display panel, a method for displaying on the same, and a display device, where a display region is divided into a central display region, and an edge display region surrounding the central display region; and the brightness of a pixel in the edge display region is lower than the brightness of a pixel in the central display region at each grayscale, so that while a picture is being displayed, the brightness in the edge display region is lower than the brightness in the central display region, but the edge display region is adjacent to an edge frame of the display panel, and human eyes perceive higher brightness in the edge display region than the real brightness in the edge display region, so that the brightness in the central display region perceived by the human eyes agrees with the brightness in the edge display region.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: September 3, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Lijing Han, Lu Liu
  • Patent number: 10388714
    Abstract: Provided are an organic light-emitting display panel and a display terminal.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: August 20, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Lijing Han, Lu Liu
  • Publication number: 20190236997
    Abstract: Organic light-emitting display panel and driving method thereof, and organic light-emitting display device are provided. The organic light-emitting display panel includes a plurality of pixel groups, and a pixel group includes at least three sub-pixels, which are used to emit light of three different colors, respectively. A duration of the organic light-emitting display panel displaying one frame image includes a display period, which includes at least two light-emitting stages. In any one light-emitting stage, in any one pixel group, at least one sub-pixel emits light. The display driving method includes in one display period, adjusting a display color of the any one pixel group by adjusting a magnitude of a driving current of each sub-pixel and adjusting a light-emitting duration of the each sub-pixel. The driving current of the each sub-pixel in the any one pixel group is generated by an independent pixel driving circuit, and is substantially equal.
    Type: Application
    Filed: October 25, 2018
    Publication date: August 1, 2019
    Inventor: Lijing HAN
  • Patent number: 10347837
    Abstract: The disclosure discloses an organic electroluminescent display panel, a method for manufacturing the same, and a display device, where organic light-emitting layers of display sub-pixels and virtual sub-pixels may be created on an underlying substrate through evaporation using a fine metal mask and a shielding mask arranged in a stack, and the area of the organic light-emitting layer of a non-rectangular shaped virtual sub-pixel among the virtual sub-pixels is smaller than the area of the organic light-emitting layer of a display sub-pixel capable of emitting light in the same color.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: July 9, 2019
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu Xin, Yuan Li, Naichao Mu, Lijing Han