Patents by Inventor Xueyou CAO

Xueyou CAO 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: 10871862
    Abstract: The present disclosure provides a touch force detecting method and apparatus, a touch panel and a display apparatus. The touch force detecting method comprises: Step S1, obtaining the number N of touch points on a panel to be detected, where N is an integer greater than or equal to 1; Step S2, selecting M test positions arbitrarily on the panel to be detected, where M is an integer greater than or equal to N, and obtaining an amount of capacitance change at each of the test positions; Step S3, obtaining a panel deformation amount at each of the test positions according to the amount of capacitance change at each of the test positions; and Step S4, calculating a touch force at the touch point according to a correspondence between the panel deformation amount and the touch force.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: December 22, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Xueyou Cao
  • Patent number: 10866648
    Abstract: The present disclosure relates to a display substrate. The display substrate includes an active region and a non-active region, and a depth camera is disposed in the non-active region. The depth camera includes at least one receiving unit and a plurality of diffractive units. At least a part of the diffractive units includes an infrared light emitting device disposed on the substrate that emits infrared light. The part of the diffractive units includes a diffractive optical element disposed on the infrared light emitting device and used to transmit the infrared light emitted from the infrared light emitting device to an object. The receiving unit includes an infrared photosensitive device disposed on the substrate and used to receive the infrared light reflected by the object.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: December 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Chih Jen Cheng, Yanling Han, Yangbing Li, Xueyou Cao, Wei Liu, Ping Zhang
  • Patent number: 10838568
    Abstract: The present application discloses a display substrate having a display area including a plurality of subpixel regions and an inter-subpixel region. The display substrate includes an array of matrix of a plurality of subpixels. Each subpixel includes a subpixel region surrounded by multiple sections of the inter-sub-pixel region and at least one antenna is in the inter-subpixel region and configured to detect an electromagnetic wave signal.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: November 17, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chihjen Cheng, Yanling Han, Xiaoliang Ding, Xueyou Cao, Ping Zhang, Wei Liu, Pengpeng Wang
  • Publication number: 20200349334
    Abstract: A display panel has a light-exit side and a non-light-exit side opposite to the light-exit side. A direction pointing to the non-light-exit side from the light-exit side is a first direction. In the first direction, the display panel includes a coded aperture mask layer and an optical sensing layer. The coded aperture mask layer includes a plurality of first light-transmission portions and a plurality of first light-shielding portions. The coded aperture mask layer is configured to form at least one part of a coded aperture array. The optical sensing layer includes a plurality of optical sensors. The optical sensing layer is configured to receive texture recognition light passed through the coded aperture array and convert optical signals of the texture recognition light into electrical signals. The texture recognition light is light carrying information about a texture to be recognized.
    Type: Application
    Filed: November 5, 2019
    Publication date: November 5, 2020
    Inventors: Yangbing LI, Haisheng WANG, Xiaoliang DING, Pengpeng WANG, Jiabin WANG, Ping ZHANG, Likai DENG, Yapeng LI, Chihjen CHENG, Yanling HAN, Xueyou CAO
  • Patent number: 10825389
    Abstract: A pixel control circuit and control method, a pixel unit, a display substrate and device are provided. The pixel control circuit includes: a pressure detecting sub-circuit and a switching sub-circuit; the pressure detecting sub-circuit is connected to a control node, and configured to control a potential of the control node to be a first potential when a pressure signal is detected; and the switching sub-circuit is connected to a first power source terminal, a light-emitting sub-circuit in the pixel unit and the control node respectively, and configured to provide a first power source signal from the first power source terminal for the light-emitting sub-circuit when the potential of the control node is the first potential. The pixel control circuit effectively raises the speed of fingerprint detection.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: November 3, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Xue Dong, Haisheng Wang, Yingming Liu, Chihjen Cheng, Yuzhen Guo, Pengpeng Wang, Xueyou Cao, Yanling Han, Ping Zhang
  • Patent number: 10817699
    Abstract: The present disclosure discloses a fingerprint recognition device, a display substrate and a display apparatus. The fingerprint recognition device includes: at least one fingerprint detection component; at least one fingerprint recognition signal line, the fingerprint detection component outputs a detection current to the fingerprint recognition signal line; at least one noise reduction circuit serially coupled in the fingerprint recognition signal line, the noise reduction circuit being a resistive component; and a fingerprint determination circuit coupled to the fingerprint recognition signal line, configured to determine a morphology of a fingerprint according to a current signal, subjected to a noise reduction by the noise reduction circuit and transmitted by the fingerprint recognition signal line.
    Type: Grant
    Filed: March 8, 2018
    Date of Patent: October 27, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou Cao, Xue Dong, Jing Lv, Haisheng Wang, Xiaoliang Ding, Yingming Liu, Yanling Han, Wei Liu, Chunwei Wu, Pengpeng Wang, Ping Zhang
  • Patent number: 10809834
    Abstract: Embodiments of the present disclosure provide a touch display panel, a method of driving the touch display panel, and a display apparatus with the touch display panel. The touch display panel includes: a common electrode layer disposed in an array substrate or a color filter substrate, configured for displaying an image, and including: a plurality of first strip-shaped electrodes each serving as a first touch feedback electrode and one of a touch drive electrode and a touch sense electrode; and a plurality of second strip-shaped electrodes crossing the first strip-shaped electrodes, and each serving as a second touch feedback electrode; and a plurality of third strip-shaped electrodes disposed in the color filter substrate and each serving as the other of the touch drive electrode and the touch sense electrode. a An extending direction of the third strip-shaped electrodes crosses an extending direction of the first strip-shaped electrodes.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: October 20, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Haisheng Wang, Chunwei Wu, Yingming Liu, Wei Liu, Pengpeng Wang, Yanling Han, Xueyou Cao
  • Patent number: 10802596
    Abstract: A display device, a self-luminous display panel and a gesture recognition method are provided. The display device includes a self-luminous display panel, an infrared light source, at least one camera device, and an image processing device. The image processing device is coupled to the at least one camera device and configured to perform gesture recognition based on a plurality of successive infrared images and a plurality of successive visible light images of an operation body taken within a same period of time.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: October 13, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou Cao, Xue Dong, Haisheng Wang, Xiaoliang Ding, Chih Jen Cheng, Pengpeng Wang, Wei Liu, Yanling Han, Ping Zhang
  • Patent number: 10802630
    Abstract: The disclosure discloses an array substrate, a method for fabricating the same, a display panel, and a display device, and the array substrate includes: a base substrate, a pressure-sensitive component, a plurality of dual-gate transistors, and a plurality of pixel transistors, where the pressure-sensitive component includes a first electrode layer, a pressure-sensitive layer, and a second electrode layer which are arranged on the base substrate in that order, and the second electrode layer includes a plurality of second electrodes arranged corresponding to the respective dual-gate transistors in a one-to-one manner; and the dual-gate transistors and the pixel transistors are arranged above the second electrode layer, and each of the plurality of second electrodes is electrically connected with a bottom-gate electrode in a corresponding dual-gate transistor, so that a pressure can be detected.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: October 13, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Yuzhen Guo, Xue Dong, Haisheng Wang, Chun-wei Wu, Xueyou Cao, Yingming Liu, Xiaoliang Ding, Chih-Jen Cheng
  • Patent number: 10789443
    Abstract: A recognition device, a fingerprint recognition device and a fingerprint recognition apparatus are provided, and the fingerprint recognition device includes: a detection substrate provided with fingerprint detector units; a light barrier which is provided at a side, provided with the fingerprint detector units, of the detection substrate, and provided with light through holes corresponding to the fingerprint detector units; a cover plate which is provided at a side, facing away from the detection substrate, of the light barrier, and includes a light exit surface facing the light barrier and a touch surface facing away from the light barrier; and a light source for emitting light to the cover plate. Each fingerprint detector unit is configured to output an electrical signal according to an intensity of light incident on the fingerprint detector unit, after the light passes through the light through hole corresponding to the fingerprint detector unit.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: September 29, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou Cao, Haisheng Wang, Xiaoliang Ding, Chih Jen Cheng, Yanling Han, Pengpeng Wang, Wei Liu, Ping Zhang, Xue Dong, Jing Lv
  • Publication number: 20200285343
    Abstract: The present disclosure provides an optical touch device and a manufacturing method thereof, a display and an electronic device, wherein the optical touch device comprises: a pixel array (11) that comprises a plurality of pixel sub-circuits (101) each of which comprises M first pixels (1011) and N second pixels (1012), wherein detection rays with a preset frequency are emitted by the second pixels (1012), where M and N are positive integers; a light receiving array (12) that comprises a plurality of light receivers (121) corresponding, at a one-to-one basis, to the plurality of pixel sub-circuits (101), wherein each of the light receivers (121) generates an sensing signal by receiving reflected rays of the detection rays emitted by a corresponding second pixel (1012); and a detection circuit (13) connected with the plurality of light receivers (121), wherein the detection circuit (13) performs touch positioning according to the sensing signal generated by each of the light receivers (121), thereby realizing in
    Type: Application
    Filed: November 30, 2017
    Publication date: September 10, 2020
    Inventors: Xiaoliang DING, Haisheng WANG, Yingming LIU, Wei LIU, Chih-Jen CHENG, Pengpeng WANG, Xueyou CAO, Ping ZHANG, Chun-Wei WU
  • Patent number: 10761637
    Abstract: A pressure sensing detection circuit and a driving method thereof, an electronic device. The pressure sensing detection circuit includes: an excitation signal circuit, configured to output an alternating current voltage signal; a pressure sensing circuit, configured to sense a magnitude of an external pressure and output a detection voltage signal under excitation of the alternating current voltage signal; and a phase detection circuit, configured to detect a phase change value of the detection voltage signal and convert the phase change value into a voltage value.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: September 1, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Chih Jen Cheng, Yanling Han, Ping Zhang, Xueyou Cao, Wei Liu, Yuzhen Guo
  • Patent number: 10763574
    Abstract: A display device, a color filter substrate, a mobile terminal and a driving method thereof are provided. The display device includes a first substrate, provided with a drive device array for controlling display; a second substrate opposite to the first substrate, with a shield layer disposed on a side of the second substrate facing the first substrate; and an antenna device on the second substrate, located on a side of the shield layer away from the first substrate.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: September 1, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou Cao, Jing Lv, Haisheng Wang, Chun Wei Wu, Xiaoliang Ding, Yingming Liu, Chih Jen Cheng, Yanling Han, Wei Liu, Weibing Gong, Ping Zhang
  • Patent number: 10762323
    Abstract: A fingerprint recognition apparatus is provided. The fingerprint recognition apparatus includes m driving signal lines, n reading signal lines, and m*n photosensitive devices. Each of a plurality of electrode signal controllers is connected to at least two of the m driving signal lines, the plurality of electrode signal controllers are configured to simultaneously input driving signals of different frequencies to each of the m driving signal lines connected to the plurality of electrode signal controllers, and a demodulator is connected to the n reading signal lines, and is configured to demodulate electrical signals of different frequencies transmitted on each of the n reading signal lines.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: September 1, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Yingming Liu, Wei Liu, Pengpeng Wang, Yanling Han, Xueyou Cao, Ping Zhang
  • Publication number: 20200271513
    Abstract: Embodiments of the present disclosure provide a device and a method for detecting a light intensity. The device includes a photosensor, an input circuit, an amplification circuit, a feedback circuit, a storage circuit, and an output circuit. The photosensor is coupled to a first voltage signal terminal and a first node. The input circuit provides a first voltage signal to the first node according to an input signal. The amplification circuit provides, to a second node, a second voltage signal from a second voltage signal terminal according to the voltage of the first node. The feedback circuit couples the first node to the second node according to a reset signal. The storage circuit stores a voltage difference between the first node and the second node. The output circuit reads the voltage of the second node according to a read signal.
    Type: Application
    Filed: July 2, 2018
    Publication date: August 27, 2020
    Inventors: Xiaoliang DING, Haisheng WANG, Yingming LIU, Xueyou CAO, Yanling HAN, Ping ZHANG
  • Publication number: 20200272228
    Abstract: The present disclosure provides an interaction system of three-dimensional space and a method for operating the same, comprising: determining visual field space according to an eye position of an operator and an angle at which the eye is watching, and determining absolute interaction space and relative interaction space according to respective joint positions of the operator and the visual field space, thereby achieving dividing of areas of the space; determining an operation that matches a current action and needs to be performed by the operator on a selected virtual object according to a relationship among the current action of the operator, the virtual object viewed by the operator and the absolute interaction space, such that when the operator makes the corresponding action, the operation matching the action of the operator is performed on the virtual object; outputting the generated corresponding three-dimensional image display signal to a three-dimensional image display device to complete somatosensory
    Type: Application
    Filed: September 29, 2017
    Publication date: August 27, 2020
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Xiaoliang DING, Xue DONG, Haisheng WANG, Chunwei WU, Yingming LIU, Pengpeng WANG, Chihjen CHENG, Yanling HAN, Xueyou CAO
  • Patent number: 10747354
    Abstract: The present disclosure provides a piezoelectric detection circuit, an array, a pressure detection device and a method. The piezoelectric detection circuit comprises a constant current circuit, a dual-gate transistor, and a transmission circuit. The dual-gate transistor comprises a first gate, a second gate, a first electrode, and a second electrode. The first gate is configured to receive a first voltage signal. The second gate is configured to receive a bias voltage and a pressure. The first electrode is electrically connected to a first voltage terminal. The second electrode is configured to receive a constant current. The transmission circuit is configured to output a second voltage signal from the second electrode. A magnitude of the pressure is obtained according to an amplitude of the second voltage signal.
    Type: Grant
    Filed: November 8, 2018
    Date of Patent: August 18, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chihjen Cheng, Xueyou Cao, Pengpeng Wang, Xiaoliang Ding, Yuzhen Guo
  • Publication number: 20200259469
    Abstract: Embodiments of the present disclosure provide a current amplification circuitry and a driving method thereof, and a fingerprint detection device. The current amplification circuitry includes a voltage control circuit, a plurality of first current amplification circuits, and a second current amplification circuit. The voltage control circuit provides a voltage control signal to the plurality of first current amplification circuits. The first current amplification circuit includes a current mirror, and the current mirror is coupled to a voltage input terminal, the voltage control circuit, and a first input terminal of the second current amplification circuit. The first current amplification circuit amplifies a current from the voltage input terminal according to the voltage control signal provided by the voltage control circuit, and provides the amplified current to the second current amplification circuit.
    Type: Application
    Filed: May 31, 2018
    Publication date: August 13, 2020
    Inventors: Xiaoliang DING, Haisheng WANG, Yingming LIU, Xueyou CAO, Ping ZHANG, Yanling HAN
  • Publication number: 20200242321
    Abstract: Provided are a compensation structure and a driving method thereof, a display panel, and a display device. The compensation structure includes a photoelectric sensing circuit, a fingerprint recognition circuit and a compensation circuit. The photoelectric sensing circuit is configured to respectively generate a first electric signal and a second electric signal according to received first optical signal and second optical signal. The fingerprint recognition circuit is configured to be connected to the photoelectric sensing circuit to receive the first electric signal, and to employ the first electric signal to determine a fingerprint pattern. The compensation circuit is configured to be connected to the photoelectric sensing circuit to receive the second electric signal, and to employ the second electric signal to perform optical compensation so as to adjust the first electric signal.
    Type: Application
    Filed: May 24, 2019
    Publication date: July 30, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou CAO, Haisheng WANG, Xiaoliang DING, Chih Jen CHENG, Yanling HAN, Wei LIU, Pengpeng WANG, Ping ZHANG
  • Publication number: 20200241671
    Abstract: The present application discloses a display substrate having a display area including a plurality of subpixel regions and an inter-subpixel region. The display substrate includes an array of matrix of a plurality of subpixels. Each subpixel includes a subpixel region surrounded by multiple sections of the inter-sub-pixel region and at least one antenna is in the inter-subpixel region and configured to detect an electromagnetic wave signal.
    Type: Application
    Filed: September 8, 2017
    Publication date: July 30, 2020
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chihjen Cheng, Yanling Han, Xiaoliang Ding, Xueyou Cao, Ping Zhang, Wei Liu, Pengpeng Wang