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).

  • Publication number: 20210384226
    Abstract: Provided are a display panel and a display device. The display panel includes a base substrate, and a first signal line and a second signal line that are located on a side of the base substrate. Both the first signal line and the second signal line are located in a first metal layer and extend along a first direction. The distance between at least part of a surface of the first signal line facing the base substrate and a plane where the base substrate is located is defined by D1. The distance between at least part of a surface of the second signal line facing the base substrate and the plane where the base substrate is located is defined by D2, such that D2 is not equal to D1.
    Type: Application
    Filed: August 18, 2021
    Publication date: December 9, 2021
    Inventors: Yu XIN, Lijing Han, Baoyan Chai
  • 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
  • Publication number: 20210333917
    Abstract: Provided are a display panel and a display apparatus. A display layer includes pixel columns arranged along a first direction, and the pixel column includes subpixels arranged along a second direction. A first touch unit in a touch layer includes a bridge and first touch electrodes. An acute angle is formed between an extending direction of the bridge and the second direction. N subpixels are sequentially arranged along a preset direction, along which first and second edges of each subpixel are oppositely disposed. D2?L?D1. L denotes a length of each of the at least one bridge. An orthographic projection of the bridge on a plane of the substrate overlaps M subpixels. 0?M<(N?2).
    Type: Application
    Filed: July 2, 2021
    Publication date: October 28, 2021
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yu XIN, Lijing HAN
  • Patent number: 11152445
    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: Grant
    Filed: March 20, 2019
    Date of Patent: October 19, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD
    Inventors: Lijing Han, Xian Chen, Yu Xin
  • Publication number: 20210217826
    Abstract: A display panel having a first display region and second display region is provided. 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. Among sub-pixels emitting a same color of the plurality of sub-pixels in the first display region and the second display region, a width-to-length ratio of a driving transistor in the pixel circuit of a sub-pixel in the second display region is greater than a width-to-length ratio of a driving transistor in the pixel circuit of a sub-pixel in the first display region.
    Type: Application
    Filed: March 30, 2021
    Publication date: July 15, 2021
    Inventors: Yu XIN, Kang YANG, Lijing HAN, Xian CHEN
  • Patent number: 11018197
    Abstract: A display panel and a fabrication method of the display panel are provided. The display panel includes a plurality of pixel rows, which includes first pixel rows and second pixel rows that are alternately arranged and is extended along a first direction. A first pixel row includes a plurality of first units, and a first unit includes two first sub-pixels arranged along a second direction with a same color. First sub-pixels in adjacent first units have different colors. The second direction intersects with and is non-perpendicular to the first direction. A second pixel row includes a plurality of second units, and a second unit includes two second sub-pixels arranged along the second direction with a same color. The first pixel rows and the second pixel rows are alternately arranged in a third direction perpendicular to the first direction. The first sub-pixels have a color different from the second sub-pixels.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: May 25, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu Xin, Lijing Han, Xian Chen
  • Patent number: 11010583
    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: Grant
    Filed: December 28, 2018
    Date of Patent: May 18, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Lijing Han, Yueting Fang
  • Patent number: 11004907
    Abstract: The present disclosure provides a pixel arrangement, including repeating units each having a first to sixth pixel columns. The first pixel column includes a first sub-pixel of an ith pixel row and a second sub-pixel of a (i+2)th pixel row; the second pixel column includes third sub-pixels of a jth pixel row and a (j+2)th pixel row; the third pixel column includes a second sub-pixel of the ith pixel row and a first sub-pixel of the (i+2)th pixel row; the fourth pixel column includes a first sub-pixel of the jth pixel row and a second sub-pixel of the (j+2)th pixel row; the fifth pixel column includes third sub-pixels of the ith pixel row and the (i+2)th pixel row; and the sixth pixel column includes a second sub-pixel of the jth pixel row and a first sub-pixel of the (j+2)th pixel row, where i=1 and j=2; or j=1 and i=2.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: May 11, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Lijing Han
  • Publication number: 20210135149
    Abstract: A display panel, a method for fabricating a display panel and a display apparatus are provided. The display panel includes a substrate; a plurality of discrete first electrodes, a pixel define layer, a metal connection layer disposed on a side of the pixel define layer facing away from the substrate, wherein an orthographic projection of the metal connection layer on the substrate at least surrounds half of each opening of the plurality of openings; an organic light-emitting layer, and at least one second electrode, disposed on a side of the organic light-emitting layer and the pixel define layer facing away from the substrate. An orthographic projection of the at least one second electrode on the substrate covers an orthographic projection of the pixel define layer and the plurality of first electrodes on the substrate and the at least one second electrode is electrically connected to the metal connection layer.
    Type: Application
    Filed: December 26, 2019
    Publication date: May 6, 2021
    Inventors: Yu XIN, Lijing HAN, Xian CHEN
  • Patent number: 10991767
    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: Grant
    Filed: May 23, 2019
    Date of Patent: April 27, 2021
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yu Xin, Kang Yang, Lijing Han, Xian Chen
  • 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: 20210096680
    Abstract: A display panel and a display device are provided. The display panel includes a touch unit. The touch unit includes first detection electrode groups arranged along a first direction, second detection electrode groups arranged along a second direction, and bridges including a first bridge. The first direction intersects the second direction. Each of the plurality of first detection electrode groups includes a first detection electrode sub-block and a second detection electrode sub-block that are adjacent to each other along the first direction. The first detection electrode sub-block includes a first main portion, and the second detection electrode sub-block includes a second main portion and a first branching portion. The first branching portion extends toward the first main portion, and the first bridge is configured to electrically connect the first branching portion and the first main portion.
    Type: Application
    Filed: December 15, 2020
    Publication date: April 1, 2021
    Inventors: Zuhua LI, 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: 10943929
    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: Grant
    Filed: May 24, 2019
    Date of Patent: March 9, 2021
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd
    Inventors: Liujing Fan, Lijing Han, Zhiyong Xiong, Di Zhu
  • Patent number: 10892306
    Abstract: A display panel includes a pixel defining layer, light-emitting unit, first support post, and touch layer. The light-emitting unit includes first electrode, light-emitting layer, and second electrode. The first support post is located between the pixel defining layer and the first electrode in direction perpendicular to display panel, and is located in non-aperture region of the pixel defining layer. The first electrode covers the light-emitting layer and the first support post. The touch layer is located at a side of the first electrode away from the pixel defining layer, and includes hollow portion, first portion and second portion that are mutually connected. In direction perpendicular to the display panel, both first portion and hollow portion overlap first support post, second portion does not overlap first support post. Overlapping portion of first portion and first supporting post has smaller area than first supporting post. A display device is also provided.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: January 12, 2021
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yueting Fang, Lijing Han
  • Publication number: 20200411597
    Abstract: A display panel includes a pixel defining layer, light-emitting unit, first support post, and touch layer. The light-emitting unit includes first electrode, light-emitting layer, and second electrode. The first support post is located between the pixel defining layer and the first electrode in direction perpendicular to display panel, and is located in non-aperture region of the pixel defining layer. The first electrode covers the light-emitting layer and the first support post. The touch layer is located at a side of the first electrode away from the pixel defining layer, and includes hollow portion, first portion and second portion that are mutually connected. In direction perpendicular to the display panel, both first portion and hollow portion overlap first support post, second portion does not overlap first support post. Overlapping portion of first portion and first supporting post has smaller area than first supporting post. A display device is also provided.
    Type: Application
    Filed: November 13, 2019
    Publication date: December 31, 2020
    Applicant: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yueting FANG, Lijing HAN
  • Patent number: 10839192
    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: Grant
    Filed: September 7, 2018
    Date of Patent: November 17, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Xian Chen, Xingxing Yang, Lijing Han, Chunpeng Zhang, Yongzhi Wang, Tao Peng
  • Patent number: 10810398
    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: Grant
    Filed: December 26, 2018
    Date of Patent: October 20, 2020
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Min Liu, Lijing Han, Xian Chen, Yu Xin, Nannan Song, Zuhua Li
  • Patent number: 10811465
    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: Grant
    Filed: September 26, 2018
    Date of Patent: October 20, 2020
    Assignee: Shanghai Tianma AM-OLED Co., Ltd.
    Inventors: Yuan Li, Xian Chen, Lijing Han, Kaihong Huang
  • Publication number: 20200279892
    Abstract: The present disclosure provides a pixel arrangement, including repeating units each having a first to sixth pixel columns. The first pixel column includes a first sub-pixel of an ith pixel row and a second sub-pixel of a (i+2)th pixel row; the second pixel column includes third sub-pixels of a jth pixel row and a (j+2)th pixel row; the third pixel column includes a second sub-pixel of the ith pixel row and a first sub-pixel of the (i+2)th pixel row; the fourth pixel column includes a first sub-pixel of the jth pixel row and a second sub-pixel of the (j+2)th pixel row; the fifth pixel column includes third sub-pixels of the ith pixel row and the (i+2)th pixel row; and the sixth pixel column includes a second sub-pixel of the jth pixel row and a first sub-pixel of the (j+2)th pixel row, where i=1 and j=2; or j=1 and i=2.
    Type: Application
    Filed: June 26, 2019
    Publication date: September 3, 2020
    Inventors: Xian CHEN, Lijing HAN