Patents by Inventor Huiping Chai

Huiping Chai 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: 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
  • 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: 10296138
    Abstract: An array substrate, a display panel, a method for determining touch center coordinates and a display device are provided. The array substrate includes: multiple touch electrodes arranged in an array, where the multiple touch electrodes include multiple touch electrode columns arranged in a first direction and multiple touch electrode rows arranged in a second direction. The array substrate also includes multiple touch leads, where each of the multiple touch leads is electrically connected to one of the multiple touch electrodes. The array substrate still includes multiple repair leads, where an insulation overlapped region is provided between each of two of the multiple touch leads corresponding to two adjacent ones of the multiple touch electrodes arranged in the first direction or the second direction and at least one of the multiple repair leads.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: May 21, 2019
    Assignees: SHANGHAI AVIC OPTO ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Kerui Xi, Huiping Chai
  • Patent number: 10275071
    Abstract: The present disclosure provides a touch display device, a touch display panel and an array substrate. The array substrate includes a substrate; a plurality of pixel units disposed on the substrate, columns of touch electrodes, a driving circuit for driving the touch electrodes, touch lines connected to a corresponding touch electrode through a first via hole for connecting the corresponding touch electrode to the driving circuit, and at least one auxiliary line positioned between two adjacent touch lines. Each touch electrode covers a plurality of pixel units. Each auxiliary line is connected through a third via hole to a touch electrode at the third via hole and broken between adjacent touch electrodes, wherein for each column of touch electrodes, auxiliary via holes are disposed on the touch electrodes.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: April 30, 2019
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xingyao Zhou, Huiping Chai
  • 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: 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
  • 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: 9952731
    Abstract: A touch screen and a touch display electronic device are provided. The touch screen includes a substrate; and an auxiliary electrode layer, a common electrode layer and a wire layer arranged on a same side of the substrate. The common electrode layer and the wire layer are arranged opposite to each other in a direction perpendicular to the substrate. The common electrode layer includes multiple common electrode blocks having a same shape and a same area; each of the common electrode blocks includes a central electrode and sawtooth-shaped electrodes connected to the central electrode; and the sawtooth-shaped electrodes of any two adjacent common electrode blocks are fitted with each other. The wire layer includes multiple first wires connected to the multiple common electrode blocks. The auxiliary electrode layer includes multiple auxiliary electrode blocks. The sawtooth-shaped electrodes adjacent to edges of the substrate are fitted with the auxiliary electrode blocks.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: April 24, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Lihua Wang, Huiping Chai
  • Patent number: 9946376
    Abstract: A display panel and an electronic device are provided. The display panel includes: a first substrate; a second substrate arranged opposite to the first substrate; a high resistance shielding layer arranged on a side of the first substrate farther away from the second substrate; a conductive film sandwiched between the first substrate and the high resistance shielding layer, the conductive film includes a contact portion contacted with the high resistance shielding layer and an extension portion; a ground pad arranged on a side of the second substrate closer to the first substrate; and a conductive connection portion for electrically connecting the extension portion of the conductive film and the ground pad. The high resistance shielding layer may be contacted closely with the conductive film, and static electricity on the high resistance shielding layer may be conducted to the ground pad via the conductive film and the conductive connection portion.
    Type: Grant
    Filed: December 4, 2015
    Date of Patent: April 17, 2018
    Assignees: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventor: Huiping Chai
  • Publication number: 20180076268
    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: Application
    Filed: October 31, 2017
    Publication date: March 15, 2018
    Inventors: Lihua WANG, Yang ZENG, Qing ZHANG, Kang YANG, Lingxiao DU, Hong DING, Liang XIE, Huiping CHAI, Qijun YAO
  • Publication number: 20180068166
    Abstract: An array substrate, a display panel and a display device are provided. The array substrate includes a substrate; a plurality of light-emitting units, which are in the display area of the substrate and include emission colors: a first color, a second color and a third color, where a light transmittance of the first color and a light transmittance of the second color are both greater than a light transmittance of the third color; and a plurality of first fingerprint recognition units and a plurality of second fingerprint recognition units, which are in the display area of the substrate. Each light-emitting unit serves as a light source of each fingerprint recognition unit, and each first fingerprint recognition unit and each second fingerprint recognition unit have different configuration parameters so as to detect a same electric signal value with respect to a reflector.
    Type: Application
    Filed: November 14, 2017
    Publication date: March 8, 2018
    Inventors: Yang ZENG, Qing ZHANG, Lihua WANG, Liang XIE, Lingxiao DU, Hong DING, Huiping CHAI, Kang YANG, Qijun YAO
  • Publication number: 20180068157
    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: Application
    Filed: November 14, 2017
    Publication date: March 8, 2018
    Inventors: Yang ZENG, Qing Zhang, Lihua Wang, Liang Xie, Lingxiao Du, Hong Ding, Huiping Chai, Kang Yang, Qijun Yao
  • Publication number: 20180040675
    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: Application
    Filed: October 18, 2017
    Publication date: February 8, 2018
    Inventors: Yang ZENG, Qing Zhang, Lihua Wang, Liang Xie, Lingxiao Du, Hong Ding, Huiping Chai, Kang Yang, Qijun Yao