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: 10325967
    Abstract: Embodiments of the present disclosure provide a display apparatus, a fingerprint identification method thereof, and an electronic device. The display apparatus includes: an organic light emitting layer and a fingerprint identification array. The organic light emitting layer includes a plurality of organic light emitting configurations. In a fingerprint identification phase, the plurality of organic light emitting configurations are arranged to emit light according to a first light emitting lattice and shift. A distance between any two adjacent organic light emitting configurations in the first light emitting lattice is greater than or equal to a minimum crosstalk-free distance. The minimum crosstalk-free distance is a maximum radius of a covering region formed on the fingerprint identification array by the light emitted from any organic light emitting configuration and then reflected through the first surface of the cover plate.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: June 18, 2019
    Assignee: SHAIGHAI 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: 10296777
    Abstract: A display panel is provided. The display panel comprises an array substrate including a substrate and a plurality of pixel units disposed on the substrate, wherein each pixel unit includes a light emitting structure and a pixel driver circuit, the light emitting structure includes a reflective electrode, the driver circuit is disposed on a side of the light emitting structure adjacent to the substrate, the pixel driver circuit includes at least two thin-film-transistors and at least one capacitor, and orthogonal projections of at least two thin-film-transistors and at least one capacitor on a plane where the reflective electrode is located fall within the reflective electrode; a fingerprint recognition module including at least one fingerprint recognition unit, wherein an orthogonal projection of the fingerprint recognition unit on the array substrate at least partially overlaps with a transparent region on the array substrate; and a fingerprint recognition light source.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: May 21, 2019
    Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.
    Inventors: Lingxiao Du, Yang Zeng, Kang Yang, Lihua Wang
  • Patent number: 10234732
    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: June 21, 2017
    Date of Patent: March 19, 2019
    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: 10234971
    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: Grant
    Filed: December 9, 2016
    Date of Patent: March 19, 2019
    Assignees: Shanghai Tianma Micro-electronics Co., Ltd., Tianma Micro-electronics Co., Ltd.
    Inventors: Hong Ding, Lingxiao Du, Gujun Li
  • Patent number: 10222643
    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: Grant
    Filed: July 24, 2018
    Date of Patent: March 5, 2019
    Assignees: Shanghai Tianma Micro-Electronics Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Lingxiao Du, Qijun Yao, Xingyao Zhou
  • Publication number: 20190042019
    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: Application
    Filed: January 22, 2018
    Publication date: February 7, 2019
    Inventors: Hong DING, Lingxiao DU, Huiping CHAI, Kang YANG, Liang XIE, Qing ZHANG
  • Patent number: 10185861
    Abstract: A display panel and an electronic device are provided. The display panel includes: an array substrate; a plurality of organic light emitting units disposed on the array substrate; at least one fingerprint identification unit located in a display region at a side close to the array substrate of the organic light emitting units. The fingerprint identification unit performs fingerprint identification according to light rays reflected on the fingerprint identification unit by a touch body. Each organic light emitting unit includes a red organic light emitting unit, a green organic light emitting unit and a blue organic light emitting unit. In a fingerprint identification phase, the red/green organic light emitting unit emits light to be a light source for the fingerprint identification unit. Compared with the blue organic light emitting unit, the red/green organic light emitting unit has a smaller transparent area towards a side opposite to a display side.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: January 22, 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
  • Publication number: 20180373102
    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: Application
    Filed: October 18, 2017
    Publication date: December 27, 2018
    Inventors: Huiping CHAI, Lingxiao DU, Kang YANG, Hong DING, Yan ZHUANG
  • Publication number: 20180364534
    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: Application
    Filed: October 18, 2017
    Publication date: December 20, 2018
    Inventors: Lingxiao DU, Kang YANG, Huiping CHAI, Hong DING
  • Publication number: 20180329249
    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: July 24, 2018
    Publication date: November 15, 2018
    Inventors: Lingxiao Du, Qijun Yao, Xingyao Zhou
  • Publication number: 20180321770
    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: Application
    Filed: July 10, 2018
    Publication date: November 8, 2018
    Inventors: Xingyao ZHOU, Qijun YAO, Lingxiao DU, Huangyao Wu, Yan SHEN
  • Patent number: 10061147
    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: Grant
    Filed: January 21, 2016
    Date of Patent: August 28, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lingxiao Du, Qijun Yao, Xingyao Zhou
  • Patent number: 10055040
    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: Grant
    Filed: June 26, 2017
    Date of Patent: August 21, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xingyao Zhou, Qijun Yao, Lingxiao Du
  • Patent number: 10008552
    Abstract: Disclosed are an organic light-emitting display panel and an electronic device. The organic light-emitting display panel comprises: an array substrate, wherein the array substrate comprises a display region and a non-display region surrounding the display region, and the array substrate further comprises a plurality of pressure-sensitive detection units and an encapsulation metal loop located in the non-display region surrounding the display region, a plurality of first metal wirings are partitioned from the encapsulation metal loop, the plurality of first metal wirings are electrically connected with the plurality of pressure-sensitive detection units and are reused as pressure-sensitive wirings of the plurality of pressure-sensitive detection units; and a sealant, wherein the sealant is located on one side of the array substrate that faces away from the encapsulation metal loop, and a projection of the sealant on the encapsulation metal loop overlaps with the encapsulation metal loop.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: June 26, 2018
    Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lingxiao Du, Liang Liu
  • Publication number: 20180173346
    Abstract: A Touch sensor and a touch display panel, including a plurality of first electrodes and second electrodes respectively extending in a first direction and a second direction, the first electrode is insulated from and intersects with the second electrode, a first leading wire connected with first electrode connects the first electrode to bonding pin, a second leading wire connected with second electrode connects the second electrode to bonding pin, the first electrode and first leading wire are respectively disposed in the first and second conductive layer, the first electrode is connected to first leading wire via an insulation layer through hole disposed between the first and second conductive layer, the first electrode and the first leading wire are disposed in different layers, the first leading wire and the second leading wire are led out from a side of the touch detection area close to the bonding pin.
    Type: Application
    Filed: February 13, 2018
    Publication date: June 21, 2018
    Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lingxiao DU, Kang YANG, Hong DING
  • Publication number: 20180158877
    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: Application
    Filed: January 19, 2018
    Publication date: June 7, 2018
    Inventors: Yang ZENG, Jun MA, Qing ZHANG, Lihua WANG, Liang XIE, Hong DING, Lingxiao DU, Huiping CHAI, Kang YANG, Qijun YAO
  • Publication number: 20180137337
    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: Application
    Filed: January 8, 2018
    Publication date: May 17, 2018
    Inventors: Yang ZENG, Qing ZHANG, Lihua WANG, Liang XiE, Hong DING, Lingxiao DU, Huiping CHAI, Kang YANG, Qijun YAO
  • Patent number: 9971466
    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: Grant
    Filed: May 4, 2016
    Date of Patent: May 15, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lingxiao Du, Qijun Yao
  • Publication number: 20180129852
    Abstract: A display panel and an electronic device are provided. The display panel includes: an array substrate; a plurality of organic light emitting units disposed on the array substrate; at least one fingerprint identification unit located in a display region at a side close to the array substrate of the organic light emitting units. The fingerprint identification unit performs fingerprint identification according to light rays reflected on the fingerprint identification unit by a touch body. Each organic light emitting unit includes a red organic light emitting unit, a green organic light emitting unit and a blue organic light emitting unit. In a fingerprint identification phase, the red/green organic light emitting unit emits light to be a light source for the fingerprint identification unit. Compared with the blue organic light emitting unit, the red/green organic light emitting unit has a smaller transparent area towards a side opposite to a display side.
    Type: Application
    Filed: October 27, 2017
    Publication date: May 10, 2018
    Inventors: Yang ZENG, Qing ZHANG, Lihua WANG, Liang XIE, Lingxiao DU, Hong DING, Huiping CHAI, Kang YANG, Qijun YAO
  • Patent number: 9927668
    Abstract: The present disclosure provides an array substrate. The array substrate includes a plurality of thin film transistors configured in an array arrangement, a plurality of common electrodes, a plurality of mutually insulated pixel electrodes coupled to the common electrodes, and a plurality of metal pads coupled to the common electrodes and configured in a layer different from the common electrodes or the pixel electrodes. The metal pads are electrically connected to drain electrodes of the thin film transistors and pixel electrodes. An orthogonal projection of a metal pad on the array substrate overlaps with at least a portion of an orthogonal projection of a corresponding common electrode on the array substrate.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: March 27, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Hong Ding, Lingxiao Du, Kang Yang