Patents by Inventor Pinchao GU

Pinchao GU 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: 20210215596
    Abstract: The present disclosure discloses an array substrate and a micro total analysis device. The array substrate includes: a substrate, a plurality of pixel regions arranged on the substrate and defined by the intersection of a plurality of data lines and a plurality of gate lines, and a plurality of drive transistors arranged in the plurality of pixel regions respectively; each drive transistor includes first active layer pattern, a first extension direction of the first active layer pattern forms a first preset angle with a gate line, and in a first preset angle direction, the first active layer pattern spans a pixel region in an inclined manner; and source and drain electrodes of the each drive transistor are coupled with the active layer pattern in the first preset angle direction.
    Type: Application
    Filed: December 11, 2019
    Publication date: July 15, 2021
    Inventors: Yingming LIU, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Xiaoliang DING, Lei WANG, Changfeng LI, Pinchao GU, Ping ZHANG, Xueyou CAO
  • Publication number: 20210183264
    Abstract: The embodiments of the present disclosure provide a display panel, a display device, and a method for displaying Braille information. The display panel includes a plurality of scan lines, data lines, and display circuits arranged at intersections of the plurality of scan lines and the plurality of data lines. The display circuit includes a switch configured to be turned on or off according to a scan signal from the scan line, and a dot element coupled to the switch. The dot element includes a substrate, an electrode provided on the substrate, a thermosensitive layer provided on the electrode, and a dot key arranged on the thermosensitive layer. The electrode is coupled to the switch, and configured to be applied with a data signal from the data line when the switch is turned on. The thermosensitive layer is configured to be heated by the electrode to protrude the dot.
    Type: Application
    Filed: February 2, 2018
    Publication date: June 17, 2021
    Inventors: Changfeng LI, Haisheng WANG, Yingming LIU, Xiaoliang DING, Rui XU, Pengpeng WANG, Wei LIU, Yuzhen GUO, Pengcheng LU, Yanan JIA, Pinchao GU
  • Patent number: 11003886
    Abstract: At least one embodiment of this disclosure provides a display apparatus for solving the problem of a low identification precision due to a relatively large distance between the finger and the fingerprint identification device. The display apparatus comprises a display panel and at least one fingerprint identification device. Each fingerprint identification device comprises a plurality of identification units arranged in an array, each identification unit being provided with a photosensitive element. The photosensitive element is used for performing photoelectric conversion of incident light. The fingerprint identification device further comprises a collimating filter layer arranged on a light entrance surface of the photosensitive element.
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: May 11, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Xu, Xue Dong, Haisheng Wang, Yingming Liu, Pinchao Gu, Changfeng Li, Qingrong Ren
  • Patent number: 10997387
    Abstract: Provided is a fingerprint recognition circuit, including a resetting sub-circuit, a fingerprint sensing sub-circuit, a signal acquiring sub-circuit, and a driving sub-circuit, the resetting sub-circuit is connected to the reading node, the resetting port, a first port for resetting the reading node; the fingerprint sensing sub-circuit is connected to the reading node for acquiring fingerprint information, converting it into a detection signal to output to the reading node; the signal acquiring sub-circuit is connected to the reading node, the driving sub-circuit and a power port to output a signal of the reading node to the driving sub-circuit; the driving sub-circuit is connected to a reading port, the signal acquiring sub-circuit, an output port and a second port, outputs the signal output by the signal acquiring sub-circuit through the reading port in a fingerprint recognition stage, outputs the signal of the reading port to the output port in a display stage.
    Type: Grant
    Filed: February 24, 2018
    Date of Patent: May 4, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Changfeng Li, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Rui Xu, Pengpeng Wang, Wei Liu, Pinchao Gu, Yunke Qin, Yuzhen Guo, Pengcheng Lu
  • Patent number: 10957746
    Abstract: The present disclosure relates to the field of display technologies, and provides a touch substrate and a display panel. Specifically, the touch substrate comprises: a pixel array and a light sensing device array arranged oppositely; a light shielding layer between the pixel array and the light sensing device array; and a lens array on a side of the light shielding layer remote from the light sensing device array. The pixel array comprises a plurality of pixel units, each pixel unit comprising a plurality of sub-pixels. The lens array comprises a plurality of lens units. The light sensing device array comprises a plurality of light sensing devices. The light shielding layer is provided with a plurality of via holes.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: March 23, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Changfeng Li, Xue Dong, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Rui Xu, Pinchao Gu, Pengcheng Lu
  • Patent number: 10949031
    Abstract: The disclosure provides a touch display substrate and a touch display device. The touch display substrate includes: a substrate; a plurality of ultrasonic sensors disposed on the substrate; and one ultrasonic generator disposed on the substrate. The ultrasonic generator has a plurality of openings, and at least one of the plurality of ultrasonic sensors is disposed in at least one of the openings.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: March 16, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yuzhen Guo, Xue Dong, Haisheng Wang, Chunwei Wu, Yingming Liu, Changfeng Li, Yanan Jia, Lijun Zhao, Yunke Qin, Pinchao Gu, Rui Xu
  • Publication number: 20210074227
    Abstract: Disclosed herein is an apparatus comprising: a first switch and a second switch; wherein the first switch is configured to apply a drive signal to a first electrode when the first switch receives a control signal; wherein the second switch is configured to electrically isolate the first electrode from a second electrode when the second switch receives the control signal; wherein the second switch is configured to short-circuit the first electrode to the second electrode when the second switch does not receive the control signal; wherein the first electrode and the second electrode face each other and are separated by a gap configured to accommodate a liquid droplet.
    Type: Application
    Filed: April 30, 2019
    Publication date: March 11, 2021
    Inventors: Ping ZHANG, Haisheng WANG, Xiaoliang DING, Yingming LIU, Xueyou CAO, Pengpeng WANG, Likai DENG, Pinchao GU, Yunke QIN
  • Publication number: 20210060547
    Abstract: The present disclosure provides a micro-fluidic substrate, a micro-fluidic structure and a driving method thereof. The micro-fluidic substrate of the preset disclosure includes a substrate, and a plurality of driving electrodes on the substrate and configured to drive a droplet to move, the plurality of driving electrodes being in a same layer with a gap space between adjacent driving electrodes. The micro-fluidic substrate further includes: at least one auxiliary electrode on the substrate and configured to drive the droplet to move, an orthographic projection of the auxiliary electrode on the substrate at least partially overlapping with an orthographic projection of the gap space on the substrate, and the auxiliary electrode and the driving electrodes being in different layers.
    Type: Application
    Filed: July 24, 2019
    Publication date: March 4, 2021
    Inventors: Yingming LIU, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Xiaoliang DING, Lei WANG, Changfeng LI, Pinchao GU
  • Patent number: 10916692
    Abstract: The present disclosure relates to piezoelectric detection circuits, methods and display devices. A piezoelectric detection circuit is provided that may comprise: a piezoelectric device to convert a pressure into a direct current (DC) signal and to convert a sound wave into an alternating current (AC) signal; a comparison circuit configured to output the direct current signal to a signal processor in a case where the piezoelectric device outputs DC signal, and to output the alternating current signal to the mixer in a case where the piezoelectric device outputs AC signal; the mixer configured to perform a mixing process on the AC signal to generate a mixed signal; and the signal processor configured to process the mixed signal output from the mixer or the direct current signal output from the comparison circuit, to detect the pressure or the sound.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: February 9, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Lijun Zhao, Haisheng Wang, Yingming Liu, Yuzhen Guo, Yanan Jia, Changfeng Li, Pinchao Gu, Yunke Qin
  • Patent number: 10884528
    Abstract: A touch display substrate and a touch detection method thereof. The touch display substrate includes: a base substrate, and a photo-sensitive touch element and an Organic Light-Emitting Diode (“OLED”) device that are arranged on the base substrate sequentially. The photo-sensitive touch element includes a touch electrode layer, a photo-sensitive material layer, an insulating layer and an ITO layer that are arranged sequentially, wherein an orthographic projection of a touch sensing area of the touch electrode layer completely covers an orthographic projection of a pattern of the photo-sensitive material layer, and is within an orthographic projection of the ITO layer. The arrangement of the photo-sensitive touch element neither changes the sequence of manufacturing the layers of the display substrate, nor affects the illumination of the touch display substrate and is suitable for manufacturing a large-size touch screen.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: January 5, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Rui Xu, Lijun Zhao, Changfeng Li, Yanan Jia, Yuzhen Guo, Yunke Qin, Pinchao Gu
  • Patent number: 10885305
    Abstract: A fingerprint identification structure and a method for fabricating the same, and an electronic device are provided. The fingerprint identification structure includes: a substrate; a plurality of first touch control electrodes and a plurality of second touch control electrodes, which are provided on the substrate, in which the plurality of first touch control electrodes and the plurality of second touch control electrodes intersect with each other; and a plurality of photo-sensitive patterns, which are disposed at intersections of the plurality of first touch control electrodes and the plurality of second touch control electrodes, respectively, and are configured to separate the plurality of second touch control electrodes from the plurality of first touch control electrodes.
    Type: Grant
    Filed: April 16, 2018
    Date of Patent: January 5, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming Liu, Jing LV, Haisheng Wang, Chun Wei Wu, Xiaoliang Ding, Rui Xu, Lijun Zhao, Changfeng Li, Yanan Jia, Yuzhen Guo, Yunke Qin, Pinchao Gu
  • Patent number: 10885881
    Abstract: Provided are a flexible display device and a control method thereof. The flexible display device includes: a base substrate; a display component located on the base substrate; a top-layer cover plate, configured to package the display component; a deformation layer, configured to create a deformation to drive the flexible display device to deform; and a control element, located on the base substrate and configured to control a deformation variable of the deformation layer.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: January 5, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanan Jia, Xue Dong, Haisheng Wang, Yingming Liu, Rui Xu, Changfeng Li, Yuzhen Guo, Lijun Zhao, Yanling Han, Pinchao Gu, Yunke Qin, Jing Lv, Chun Wei Wu
  • Patent number: 10866447
    Abstract: Embodiments of the present disclosure disclose a display panel, a display apparatus, and a method for manufacturing a display panel. The display panel includes: a display unit comprising an array substrate, a modulation structure and a black matrix having at least one hole, wherein the modulation structure is located between the black matrix and the array substrate; light emitting unit located between the modulation structure and the array substrate, and configured to emit light onto the modulation structure to generate structured light emitted from the modulation structure, so that the structured light passes through the at least one hole; and a light receiving unit, configured to receive reflected structured light obtained by the structured light being reflected by a measured object.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: December 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pinchao Gu, Xue Dong, Haisheng Wang, Chunwei Wu, Yingming Liu, Rui Xu, Changfeng Li, Yuzhen Guo, Lijun Zhao, Yanan Jia, Xiaoliang Ding, Yunke Qin
  • Publication number: 20200356743
    Abstract: Provided is a fingerprint recognition circuit, including a resetting sub-circuit, a fingerprint sensing sub-circuit, a signal acquiring sub-circuit, and a driving sub-circuit, the resetting sub-circuit is connected to the reading node, the resetting port, a first port for resetting the reading node; the fingerprint sensing sub-circuit is connected to the reading node for acquiring fingerprint information, converting it into a detection signal to output to the reading node; the signal acquiring sub-circuit is connected to the reading node, the driving sub-circuit and a power port to output a signal of the reading node to the driving sub-circuit; the driving sub-circuit is connected to a reading port, the signal acquiring sub-circuit, an output port and a second port, the signal output by the signal acquiring sub-circuit through the reading port in a fingerprint recognition stage, outputs the signal of the reading port to the output port in a display stage.
    Type: Application
    Filed: February 24, 2018
    Publication date: November 12, 2020
    Inventors: Changfeng LI, Haisheng WANG, Yingming LIU, Xiaoliang DING, Rui XU, Pengpeng WANG, Wei LIU, Pinchao GU, Yunke QIN, Yuzhen GUO, Pengcheng LU
  • Publication number: 20200343311
    Abstract: The present disclosure relates to the field of display technologies, and provides a touch substrate and a display panel. Specifically, the touch substrate comprises: a pixel array and a light sensing device array arranged oppositely; a light shielding layer between the pixel array and the light sensing device array; and a lens array on a side of the light shielding layer remote from the light sensing device array. The pixel array comprises a plurality of pixel units, each pixel unit comprising a plurality of sub-pixels. The lens array comprises a plurality of lens units. The light sensing device array comprises a plurality of light sensing devices. The light shielding layer is provided with a plurality of via holes.
    Type: Application
    Filed: January 8, 2018
    Publication date: October 29, 2020
    Inventors: Changfeng LI, Xue DONG, Haisheng WANG, Yingming LIU, Xiaoliang DING, Rui XU, Pinchao GU, Pengcheng LU
  • Publication number: 20200334436
    Abstract: At least one embodiment of this disclosure provides a display apparatus for solving the problem of a low identification precision due to a relatively large distance between the finger and the fingerprint identification device. The display apparatus comprises a display panel and at least one fingerprint identification device. Each fingerprint identification device comprises a plurality of identification units arranged in an array, each identification unit being provided with a photosensitive element. The photosensitive element is used for performing photoelectric conversion of incident light. The fingerprint identification device further comprises a collimating filter layer arranged on a light entrance surface of the photosensitive element.
    Type: Application
    Filed: January 4, 2018
    Publication date: October 22, 2020
    Inventors: Rui XU, Xue DONG, Haisheng WANG, Yingming LIU, Pinchao GU, Changfeng LI, Qingrong REN
  • Publication number: 20200285826
    Abstract: The present disclosure provides a display substrate and a display device. The display substrate of the present disclosure comprises: an array (1) of optical sensing devices; an optical structure (2) disposed above the array (1) of optical sensing devices, wherein the optical structure (2) comprises a plurality of optical units (20) each of which comprises a light shading region (Q1) and a light transmission region (Q2); and a pixel array (3) disposed above the optical structure (2), wherein the pixel array (3) comprises a plurality of pixel units (30) each of which comprises subpixels of different colors.
    Type: Application
    Filed: October 23, 2017
    Publication date: September 10, 2020
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Pinchao GU, Xue DONG, Haisheng WANG, Yingming LIU, Rui XU, Changfeng LI, Yuzhen GUO, Yunke QIN
  • Publication number: 20200272265
    Abstract: A touch display substrate and a touch detection method thereof. The touch display substrate includes: a base substrate, and a photo-sensitive touch element and an Organic Light-Emitting Diode (“OLED”) device that are arranged on the base substrate sequentially. The photo-sensitive touch element includes a touch electrode layer, a photo-sensitive material layer, an insulating layer and an ITO layer that are arranged sequentially, wherein an orthographic projection of a touch sensing area of the touch electrode layer completely covers an orthographic projection of a pattern of the photo-sensitive material layer, and is within an orthographic projection of the ITO layer. The arrangement of the photo-sensitive touch element neither changes the sequence of manufacturing the layers of the display substrate, nor affects the illumination of the touch display substrate and is suitable for manufacturing a large-size touch screen.
    Type: Application
    Filed: October 26, 2017
    Publication date: August 27, 2020
    Inventors: Yingming LIU, Xue DONG, Jing LV, Haisheng WANG, Chunwei WU, Xiaoliang DING, Rui XU, Lijun ZHAO, Changfeng LI, Yanan JIA, Yuzhen GUO, Yunke QIN, Pinchao GU
  • Publication number: 20200273920
    Abstract: A method for fabricating a touch display substrate and a touch display substrate are provided to solve the problem that existing touch electrodes of the micron-scale line width cannot meet the high PPI requirement. The fabrication method includes forming functional layers of an organic light-emitting diode (OLED) device on a base substrate sequentially to obtain an OLED substrate; and forming a linear touch electrode with a nano-scale line width on the OLED substrate by electronic sputtering and transferring.
    Type: Application
    Filed: May 6, 2020
    Publication date: August 27, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming LIU, Xue DONG, Haisheng WANG, Chunwei WU, Xiaoliang DING, Rui XU, Lijun ZHAO, Changfeng LI, Yanan JIA, Yuzhen GUO, Yunke QIN, Pinchao GU
  • Publication number: 20200264728
    Abstract: An optical pressure touch device, a manufacturing method thereof, and a touch display apparatus, so as to reduce the influence on the display effect while realizing the touch function. The optical pressure touch device includes a first substrate, a second substrate opposite to the first substrate, a light source, and a photodetector array and a touch scanning circuit located on a side of the first substrate facing the second substrate, the touch scanning circuit being electrically connected to a photodetector in the photodetector array. A gap exists between the touch scanning circuit and the second substrate, and the light source is used to generate a light field within the gap.
    Type: Application
    Filed: December 11, 2017
    Publication date: August 20, 2020
    Inventors: Yunke QIN, Xue DONG, Jing LV, Haisheng WANG, Chunwei WU, Yingming LIU, Xiaoliang DING, Changfeng LI, Lijun ZHAO, Pengpeng WANG, Ping ZHANG, Pinchao GU