Patents by Inventor Lingxiao Du

Lingxiao Du 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: 10564745
    Abstract: The present disclosure provides an array substrate including a display region and a frame region surrounding the display region. The display region further includes a plurality of second touch lines which are in parallel with the gate electrode lines, and each of the common electrode units is electrically connected to one of the second touch lines through a via hole. The frame region consists of a plurality of first switches and a plurality of test lines extending along a second direction, at least one end of each second touch line is connected to one of the first switches, and the test lines are electrically connected to the first switches.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: February 18, 2020
    Inventors: Lingxiao Du, Kang Yang, Hong Ding, Gujun Li, Shaofan Liu
  • Publication number: 20200050312
    Abstract: An electronic device, a touch display panel and a touch display substrate are provided. The touch display substrate includes: a substrate; a common electrode layer disposed on the substrate, where the common electrode layer includes multiple touch display electrodes insulated from each other, and the touch display electrodes are arranged in an array; and multiple touch display wires insulated from each other, where the touch display wires and the touch display electrodes are arranged and connected electrically according to a one-to-one correspondence. Areas of at least two touch display electrodes increase gradually in a first direction, and the first direction is an extending direction of the touch display wire and extends from a contact point between the touch display wire and the touch display electrode to an edge of the substrate.
    Type: Application
    Filed: October 22, 2019
    Publication date: February 13, 2020
    Inventors: Gujun Li, Yungang Sun, Lingxiao Du, Conghua Ma
  • Patent number: 10558309
    Abstract: The present disclosure provides a touch display panel including an array substrate, a color filter substrate and a plurality of photo spacers. The array substrate includes pixel units, a drive circuit, touch leads, and a common electrode layer. The common electrode layer is divided into columns of self-capacitive electrodes. Each touch lead is disposed parallel to and connected with one of the columns through at least two first via holes. An interval between adjacent first via holes is greater than or equal to twice the side length of one pixel unit. The first via holes connected with one touch lead are aligned staggered to those connected with an adjacent touch lead and none of the photo spacers overlap the first via holes in the direction perpendicular to the array substrate.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: February 11, 2020
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xingyao Zhou, Qijun Yao, Lingxiao Du, Huangyao Wu, Yan Shen
  • Publication number: 20190369784
    Abstract: A touch display panel and a touch display device are provided. The touch display panel includes: a substrate, a light-emitting device layer arranged on the substrate, and multiple touch electrodes arranged on the side of the light-emitting device layer away from the substrate. The light-emitting device layer includes multiple pixels, and each of the pixels has a light-emitting region and a non-light-emitting region on the periphery of the light-emitting region. Each of the touch electrodes has a structure of a metal grid. The pixels include first color pixels, and grid lines of the metal grid are arranged in each of the non-light-emitting regions of at least a part of the first color pixels.
    Type: Application
    Filed: December 21, 2018
    Publication date: December 5, 2019
    Inventors: Qijun Yao, Hong Ding, Lingxiao Du, Liang Xie
  • Patent number: 10488960
    Abstract: An electronic device, a touch display panel and a touch display substrate are provided. The touch display substrate includes a substrate plate and a common electrode layer disposed on the substrate plate, where the common electrode layer includes multiple touch display electrodes insulated from each other, and the touch display electrodes are arranged in an array, and multiple touch display wires insulated from each other, where the touch display wires and the touch display electrodes are arranged and connected electrically according to a one-to-one correspondence. Areas of at least two touch display electrodes increase gradually in a first direction, and the first direction is an extending direction of the touch display wire and extends from a contact point between the touch display wire and the touch display electrode to an edge of the substrate plate.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: November 26, 2019
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Gujun Li, Yungang Sun, Lingxiao Du, Conghua Ma
  • 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: 20190333972
    Abstract: A display panel, fabrication method, and a display device are provided. The display panel includes a display region; a substrate panel; a display function layer, in the display region and over the substrate panel; a hollow portion, penetrating through the display panel; and at least one spacer part. The spacer part includes a bottom pattern and a spacer pattern. The bottom pattern is an orthographic projection, on the substrate panel, of a bottom surface of the spacer part close to the substrate panel, and has a side edge close to the hollow portion as a first inner side edge. The spacer pattern is an orthographic projection of the spacer part on the substrate panel, and has a side edge close to the hollow portion as a second inner side edge. The second inner side edge is closer to the hollow portion than the first inner side edge.
    Type: Application
    Filed: October 24, 2018
    Publication date: October 31, 2019
    Inventors: Hong DING, Lingxiao DU, Liang XIE, Qijun YAO
  • Patent number: 10459567
    Abstract: The disclosure provides an array substrate and a color filter substrate of a capacitive touch control screen, a touch control display device and a method for driving the touch control display device, so as to achieve the self-capacitive multi-point touch. The array substrate of the capacitive touch control screen includes: a peripheral area and a display area; a plurality of pixel units with pixel electrodes arranged in the display area; a plurality of touch control electrodes; and touch control electrode lead wires connected with a module configured to detect a touch control signal, wherein each of the touch control electrodes is connected respectively with one of the touch control electrode lead wires.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: October 29, 2019
    Inventors: Baoling Liu, Lingxiao Du, Qijun Yao, Jun Ma
  • Publication number: 20190303637
    Abstract: Provided are a display panel and a display device. The display panel includes a display assembly and a fingerprint recognition assembly. The display assembly includes a base substrate, a plurality of pixel driving circuit units disposed on one side of the base substrate and at least two kinds of metal wires extending along a first direction, the plurality of pixel driving circuit units are arranged in a matrix along the first direction and a second direction, and a first gap region is formed between adjacent two of the plurality of pixel driving circuit units in the first direction. The display panel provided by the present disclosure provides the at least two kinds of metal wires to include a plurality of first type metal wires and a plurality of second type metal wires.
    Type: Application
    Filed: July 31, 2018
    Publication date: October 3, 2019
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Lihua Wang, Yang Zeng, Lingxiao Du, Qing Zhang, Haochi Yu
  • Publication number: 20190303638
    Abstract: Provided are a display panel and a display device. The display panel includes a display assembly, the display assembly includes an array substrate and a plurality of pixel units disposed on the array substrate; and a fingerprint recognition assembly, the fingerprint recognition assembly disposed on one side of the array substrate facing away from the plurality of pixel units, the fingerprint recognition assembly includes a first substrate and at least one fingerprint recognition unit disposed on the first substrate, the fingerprint recognition unit includes a photosensitive region. The array substrate includes a plurality of transparent regions and a plurality of non-transparent regions. Along a direction perpendicular to the array substrate, at least a portion of the plurality of transparent regions in the array substrate is covered by a photosensitive region of any one of the at least one fingerprint recognition units.
    Type: Application
    Filed: September 13, 2018
    Publication date: October 3, 2019
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yang Zeng, Lihua Wang, Haochi Yu, Qing Zhang, Lingxiao Du
  • Patent number: 10429979
    Abstract: The present disclosure relates to a touch film, a touch panel, a touch display device and a preparing method thereof, in which breakage probability in a metal portion can be reduced, thereby improving the touch performance. The touch film comprises a flexible substrate made of polyimide, a metal layer, and an organic film arranged therebetween and having a water drop contact angle less than 80°. The touch film further comprises a touch electrode layer comprising multiple groups of first touch electrodes and multiple groups of second touch electrodes, wherein each group of the first touch electrodes comprises a plurality of first touch electrodes arrayed in a second direction; and each group of the second touch electrodes comprises a plurality of second touch electrodes arrayed in a first direction. The metal layer comprises metal connection lines for electrically connecting adjacent first touch electrodes.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: October 1, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lingxiao Du, Hong Ding, Qing Zhang, Kang Yang, Yang Zeng, Gang Liu, Xuening Liu
  • Publication number: 20190294848
    Abstract: Provided are a display panel and a display device. The display panel includes a display assembly, the display assembly includes an array substrate and a plurality of pixel units disposed on the array substrate; a fingerprint recognition assembly disposed on one side of the array substrate facing away from the plurality of pixel units, the fingerprint recognition assembly includes a first substrate and at least one fingerprint recognition unit disposed on the first substrate; and the array substrate includes a plurality of transparent regions and a plurality of non-transparent regions, the array substrate further includes a plurality of metal wires, a ratio of a line width of a portion of at least one of the metal wires disposed in at least one respective transparent region to a line width of a portion of the at least of the metal wires disposed in a respective non-transparent region is less than 1.
    Type: Application
    Filed: September 13, 2018
    Publication date: September 26, 2019
    Applicant: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yang Zeng, Lihua Wang, Haochi Yu, Qing Zhang, Lingxiao Du
  • 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: 10409416
    Abstract: The disclosure provides an array substrate and a color filter substrate of a capacitive touch control screen, a touch control display device and a method for driving the touch control display device, so as to achieve the self-capacitive multi-point touch. The array substrate of the capacitive touch control screen includes: a peripheral area and a display area; a plurality of pixel units with pixel electrodes arranged in the display area; a plurality of touch control electrodes; and touch control electrode lead wires connected with a module configured to detect a touch control signal, wherein each of the touch control electrodes is connected respectively with one of the touch control electrode lead wires.
    Type: Grant
    Filed: August 1, 2017
    Date of Patent: September 10, 2019
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Baoling Liu, Lingxiao Du, Qijun Yao, Jun Ma
  • Patent number: 10394374
    Abstract: A touch control display panel and a touch control display device are provided. The touch control display panel comprises a substrate including a display region and a non-display region; an organic light-emitting structure; a thin film encapsulation layer having a first side facing the substrate; a first retaining wall; first and second touch control electrodes; first and second touch control lines disposed in the non-display region; and conductive leads disposed on the first side of the thin film encapsulation layer. At least one first touch control line steps across the first retaining wall to be electrically connected to a corresponding conductive lead, and further electrically connected to a driving chip or a flexible printed circuit disposed in a first non-display region through the corresponding conductive lead. A connection region of the at least one first touch control line and the corresponding conductive lead is arranged outside the first retaining wall.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: August 27, 2019
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Yang Zeng, Lingxiao Du, Xingyao Zhou, Lihua Wang, Qijun Yao, Kang Yang, Hong Ding
  • 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
  • Patent number: 10361255
    Abstract: Disclosed are a display panel and a display device. The display panel includes an organic light-emitting display panel, a fingerprint identification module and an angle defining film; the fingerprint identification module includes at least one fingerprint identification unit, and performs fingerprint identification according to lights reflected to the fingerprint identification unit via a touch body; the angle defining film is located between the organic light-emitting display panel and the fingerprint identification module. A transmissivity of the light by the angle defining film is A1 when the incident angle of said light with respect to the angle defining film is smaller than a transmission angle of the angle defining film, and a transmissivity of the light by the angle defining film is A2 when the incident angle of said light with respect to the angle defining film is larger than the transmission angle of the angle defining film, wherein A1>A2>0.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: July 23, 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
  • Patent number: 10353260
    Abstract: Provided is a display panel, including an array substrate and a color film substrate; in the array substrate, every two adjacent columns of highlight sub-pixels form a group of highlight sub-pixels, at least one column of color sub-pixels is arranged between any two groups of highlight sub-pixels; the color film substrate includes a black matrix and color filters arranged in array, the black matrix includes a first and second black matrixes, the color filter includes columns of highlight color filters and columns of colored color filters, every two adjacent columns of highlight color filters form a group of highlight color filters, at least one column of colored color filters is arranged between any two groups of highlight color filters; on the color film substrate, orthogonal projection of the second black matrix does not overlap with orthogonal projection of the gap between the two adjacent columns of highlight color filters.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: July 16, 2019
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONIC CO., LTD.
    Inventors: Lingxiao Du, Kang Yang, Huiping Chai, Hong Ding
  • Patent number: 10339359
    Abstract: A display panel and a display device thereof are provided. The display panel comprises a display module comprising a first substrate and a first polarizer, wherein a light-exiting surface of the display module is arranged on an outer side of the first polarizer; a fingerprint recognition module disposed on an outer side of the first substrate and comprising a fingerprint recognition layer and a second polarizer disposed on an inner side of the fingerprint recognition layer; and a light source disposed on an inner side of the first polarizer. The fingerprint recognition layer recognizes fingerprint based on fingerprint signal light. The first polarizer is engaged with the second polarizer, such that the fingerprint signal light is transmitted through the first polarizer and the second polarizer without a light intensity loss, and the second polarizer reduces the light intensity of fingerprint noise light.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: July 2, 2019
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Qing Zhang, Yang Zeng, Lihua Wang, Kang Yang, Hong Ding, Lingxiao Du, Liang Xie, Huiping Chai, Qijun Yao
  • Publication number: 20190187846
    Abstract: The present disclosure relates to a touch film, a touch panel, a touch display device and a preparing method thereof, in which breakage probability in a metal portion can be reduced, thereby improving the touch performance. The touch film comprises a flexible substrate made of polyimide, a metal layer, and an organic film arranged therebetween and having a water drop contact angle less than 80°. The touch film further comprises a touch electrode layer comprising multiple groups of first touch electrodes and multiple groups of second touch electrodes, wherein each group of the first touch electrodes comprises a plurality of first touch electrodes arrayed in a second direction; and each group of the second touch electrodes comprises a plurality of second touch electrodes arrayed in a first direction. The metal layer comprises metal connection lines for electrically connecting adjacent first touch electrodes.
    Type: Application
    Filed: March 28, 2018
    Publication date: June 20, 2019
    Inventors: Lingxiao DU, Hong DING, Qing ZHANG, Kang YANG, Yang ZENG, Gang LIU, Xuening LIU