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).

  • Publication number: 20170293385
    Abstract: One inventive aspect is an array substrate, which includes a plurality of touch leads, a common electrode layer, and a drive circuit. The common electrode layer is divided into a plurality of columns of self-capacitive electrodes, which are electronically connected to the drive circuit through the touch leads. The array substrate also includes a plurality of pixel units. Each touch lead is electronically connected to the self-capacitive electrode corresponding to the touch lead via a first via hole. At least one touch lead is parallel to and cross over one column of the self-capacitive electrodes. In a direction perpendicular to the array substrate, a projection of the self-capacitive electrode covers projections of a plurality of pixel units. In addition, along a direction of the touch leads, an interval between two adjacent first via holes is greater than or equal to a length of two pixel units.
    Type: Application
    Filed: June 26, 2017
    Publication date: October 12, 2017
    Inventors: Xingyao ZHOU, Qijun YAO, Lingxiao DU
  • Publication number: 20170293188
    Abstract: A display panel and a display device are disclosed. Each of pixels in the display panel includes a pixel area; a switch element located near an intersection of a data line and a scan line; a pixel electrode electrically connected to the switch element; and a common electrode located on the first substrate. The common electrode comprises first common electrodes superposing data lines or scan lines and having the same first width; and second common electrodes overlapping with respective pixel areas and having the same second width, the first width is the same as the second width. Alternatively, the common electrode comprises first slits, which have the same first slit width, located above data lines and scan lines, and second slits, which have the same second slit width and are located in respective pixel areas. The first slit width is the same as the second slit width.
    Type: Application
    Filed: June 21, 2017
    Publication date: October 12, 2017
    Inventors: Lei NIU, Zhihua LING, Lingxiao DU, Jun MA, Sitao HUO, Tianyi WU
  • Patent number: 9746959
    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: October 18, 2016
    Date of Patent: August 29, 2017
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Baoling Liu, Lingxiao Du, Qijun Yao, Jun Ma
  • Patent number: 9733741
    Abstract: One inventive aspect is an array substrate. The array substrate includes a plurality of touch leads, a common electrode layer, and a drive circuit. The common electrode layer is divided into a plurality of self-capacitive electrodes, and the self-capacitive electrodes are electronically connected to the drive circuit through the touch leads. The array substrate also includes a plurality of pixel units. Each touch lead is electronically connected to the self-capacitive electrode corresponding to the touch lead via a first via hole. At least one touch lead is continuous and passes through a whole column of the self-capacitive electrodes. In a direction perpendicular to the array substrate, a projection of the self-capacitive electrode covers projections of a plurality of pixel units. In addition, along a direction of the touch leads, an interval between two adjacent first via holes is greater than or equal to a length of two pixel units.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: August 15, 2017
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xingyao Zhou, Qijun Yao, Lingxiao Du
  • Patent number: 9733539
    Abstract: A display panel and a display device are disclosed. Each of pixels in the display panel includes a pixel area; a switch element located near an intersection of a data line and a scan line; a pixel electrode electrically connected to the switch element; and a common electrode located on the first substrate. The common electrode comprises first common electrodes superposing data lines or scan lines and having the same first width; and second common electrodes overlapping with respective pixel areas and having the same second width, the first width is the same as the second width. Alternatively, the common electrode comprises first slits, which have the same first slit width, located above data lines and scan lines, and second slits, which have the same second slit width and are located in respective pixel areas. The first slit width is the same as the second slit width.
    Type: Grant
    Filed: October 18, 2016
    Date of Patent: August 15, 2017
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lei Niu, Zhihua Ling, Lingxiao Du, Jun Ma, Sitao Huo, Tianyi Wu
  • Publication number: 20170228074
    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: Application
    Filed: June 6, 2016
    Publication date: August 10, 2017
    Inventors: Lingxiao Du, Kang Yang, Hong Ding, Gujun Li, Shaofan Liu
  • Patent number: 9627416
    Abstract: An array substrate is disclosed. The array substrate includes gate lines and data lines, and first and second signal lines. A first data line is between first and second pixel units, respectively including first and second film transistors. A first gate line is electrically connected to the gate electrodes of the first and second film transistors. The second electrode of the second film transistor is electrically connected to the first data line, and the second electrode of the first film transistor is electrically connected to the first signal line. The array substrate also includes a common electrode layer partially located between a third pixel unit and the first pixel unit, which is electrically insulated. In addition, a portion of the common electrode layer between the first pixel unit and the second pixel unit overlaps the first data line.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: April 18, 2017
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Hong Ding, Lingxiao Du, Qijun Yao
  • Publication number: 20170102599
    Abstract: A display panel and a display device are disclosed. Each of pixels in the display panel includes a pixel area; a switch element located near an intersection of a data line and a scan line; a pixel electrode electrically connected to the switch element; and a common electrode located on the first substrate. The common electrode comprises first common electrodes superposing data lines or scan lines and having the same first width; and second common electrodes overlapping with respective pixel areas and having the same second width, the first width is the same as the second width. Alternatively, the common electrode comprises first slits, which have the same first slit width, located above data lines and scan lines, and second slits, which have the same second slit width and are located in respective pixel areas. The first slit width is the same as the second slit width.
    Type: Application
    Filed: October 18, 2016
    Publication date: April 13, 2017
    Inventors: LEI NIU, ZHIHUA LING, LINGXIAO DU, JUN MA, SITAO HUO, TIANYI WU
  • Publication number: 20170090620
    Abstract: A touch panel includes multiple common electrode blocks arranged in an array and multiple touch wires. Each of the touch wires is electrically connected to corresponding one of the common electrode blocks and is insulated from other common electrode blocks that are insulated from the one of the touch wire. The other common electrode blocks are in the same layer with the touch wire. There is a gap in a common electrode block that is located at a path of the touch wire and that is insulated from the touch wire. The common electrode block that is electrically connected to the touch wire comprises a first and a second common electrode sub-blocks, both of which are adjacent to the gap. The first common electrode sub-block is connected to the second common electrode sub-block through at least one bridge electrode.
    Type: Application
    Filed: May 4, 2016
    Publication date: March 30, 2017
    Inventors: Lingxiao Du, Qijun Yao
  • Publication number: 20170090636
    Abstract: The present disclosure provides a touch-display panel including a first substrate and a second substrate; a touch electrode layer provided on the first substrate and including a plurality of touch electrodes; a touch signal wire layer including a plurality of touch signal wires. The touch signal wire layer further includes a plurality of dummy touch signal wires. A plurality of spacers is provided on a surface of the second substrate facing the first substrate, wherein the plurality of spacers have a first orthographic projection on the plane of the touch signal wire layer, and the orthographic projection is overlapped with said touch signal wires or the dummy touch signal wires. The touch-display panel provides dummy touch signal wires and the first orthographic projections of the spacer on the plane of the touch signal wire layer are overlapped with the touch signal wires or dummy touch signal wires.
    Type: Application
    Filed: December 9, 2016
    Publication date: March 30, 2017
    Inventors: Hong DING, Lingxiao DU, Gujun LI
  • Publication number: 20170038899
    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: Application
    Filed: October 18, 2016
    Publication date: February 9, 2017
    Inventors: Baoling Liu, Lingxiao DU, Qijun YAO, Jun MA
  • Publication number: 20170003535
    Abstract: A touch display panel includes an array substrate and an opposite substrate disposed opposite to the array substrate. The opposite substrate includes a first base substrate and a high-resistance film material layer which is disposed on the first base substrate, and a square resistance of the high-resistance film material layer is larger than or equal to 107?/? and is less than or equal to 1012?/?.
    Type: Application
    Filed: January 21, 2016
    Publication date: January 5, 2017
    Inventors: Lingxiao Du, Qijun Yao, Xingyao Zhou
  • Patent number: 9507218
    Abstract: A display panel and a display device are disclosed. Each of pixels in the display panel includes a pixel area; a switch element located near an intersection of a data line and a scan line; a pixel electrode electrically connected to the switch element; and a common electrode located on the first substrate. The common electrode comprises first common electrodes superposing data lines or scan lines and having the same first width; and second common electrodes overlapping with respective pixel areas and having the same second width, the first width is the same as the second width. Alternatively, the common electrode comprises first slits, which have the same first slit width, located above data lines and scan lines, and second slits, which have the same second slit width and are located in respective pixel areas. The first slit width is the same as the second slit width.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: November 29, 2016
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lei Niu, Zhihua Ling, Lingxiao Du, Jun Ma, Sitao Huo, Tianyi Wu
  • Patent number: 9507471
    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: May 20, 2014
    Date of Patent: November 29, 2016
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD, TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Baoling Liu, Lingxiao Du, Qijun Yao, Jun Ma
  • Publication number: 20160320650
    Abstract: An array substrate, a display device and a method for fabrication the array substrate are provided. The array substrate comprises a base substrate; gate lines and data lines; pixel electrodes; a common electrode layer including at least one first slot and at least one second slot at least partially overlapped with the first slot; at least one shielding electrode disposed above the data line; and at least one shielding branch electrode disposed above the gate line and electrically connected to the shielding electrode. A projection of the shielding electrode onto the data line is at least partially overlapped with the data line, a projection of the shielding branch electrode onto the gate line is at least partially overlapped with the gate line, and the array substrate exhibits at least one raised area where the at least one shielding branch electrode is embedded.
    Type: Application
    Filed: July 7, 2016
    Publication date: November 3, 2016
    Inventors: HONG DING, QIJUN YAO, LINGXIAO DU, JUN MA, XIAOYE LI
  • Publication number: 20160291722
    Abstract: An array substrate, a display panel, and a display device are disclosed. The array substrate includes: multiple gate lines, multiple data lines and multiple touch lines. The multiple data lines and multiple touch lines are insulated from each other, and extend in parallel directions. Each of the touch lines includes multiple line conductive portions and multiple connectors. The line conductive portions are located in the same layer with the gate lines and each of the line conductive portions is located between two adjacent gate lines. The connectors are located in a different conductive layer from the line conductive portions and the connectors connect two adjacent line conductive portions through a via hole. The coupling capacitance between the line conductive portions and the touch electrode positionally corresponding thereto may be reduced, to ensure a high accuracy of a touch operation for the display device.
    Type: Application
    Filed: July 29, 2015
    Publication date: October 6, 2016
    Inventors: Lingxiao Du, Qijun Yao
  • Publication number: 20160291757
    Abstract: A touch display panel structure, a method for forming the touch display panel structure, and a touch display device are provided. The touch display panel structure includes: a substrate, scan lines each including a plurality of scan line segments, touch electrode lines each disposed at an interval between adjacent scan line segments; a first dielectric layer and data lines; a second dielectric layer and a first interconnection structure; a first via hole through the first dielectric layer and the second dielectric layer; a third dielectric layer a common electrode layer; a second via hole through the first dielectric layer and the second dielectric layer; and a plurality of third via holes through the third dielectric layer, wherein each touch electrode is connected to a touch electrode line via the second via hole and the third via hole.
    Type: Application
    Filed: February 1, 2016
    Publication date: October 6, 2016
    Inventors: Hong DING, Lingxiao DU, Feng LU
  • Publication number: 20160291756
    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: Application
    Filed: January 19, 2016
    Publication date: October 6, 2016
    Inventors: Gujun Li, Yungang Sun, Lingxiao Du, Conghua Ma
  • Publication number: 20160291749
    Abstract: One inventive aspect is an array substrate. The array substrate includes a plurality of touch leads, a common electrode layer, and a drive circuit. The common electrode layer is divided into a plurality of self-capacitive electrodes, and the self-capacitive electrodes are electronically connected to the drive circuit through the touch leads. The array substrate also includes a plurality of pixel units. Each touch lead is electronically connected to the self-capacitive electrode corresponding to the touch lead via a first via hole. At least one touch lead is continuous and passes through a whole column of the self-capacitive electrodes. In a direction perpendicular to the array substrate, a projection of the self-capacitive electrode covers projections of a plurality of pixel units. In addition, along a direction of the touch leads, an interval between two adjacent first via holes is greater than or equal to a length of two pixel units.
    Type: Application
    Filed: June 30, 2015
    Publication date: October 6, 2016
    Inventors: Xingyao ZHOU, Qijun YAO, Lingxiao DU
  • Publication number: 20160291781
    Abstract: An array substrate and a display device are provided. The array substrate includes a display area and a frame area. The frame area surrounds the display area on four sides of top, bottom, left and right; touch-control electrodes arranged in an array are provided in the display area, and the respective touch-control electrodes are insulated from each other; touch-control electrodes are also provided in the frame area on at least one side; and each of the touch-control electrodes is connected to a touch-control driver circuit through a touch-control wire. Touch-control electrodes arranged in an array are provided not only in the display area, but also in the frame area, thus when the user touches the edges such as the frame area, the location of touch can be detected sensitively through touch-control electrodes provided in the frame area.
    Type: Application
    Filed: December 21, 2015
    Publication date: October 6, 2016
    Inventors: Chunmei He, Lingxiao Du, Qijun Yao, Yong Yuan, Quanpeng Yu