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).

  • Publication number: 20210294421
    Abstract: The present disclosure relates to a gesture recognition apparatus. The gesture recognition apparatus may include a gesture processor and a plurality of depth cameras connecting to the gesture processor. Each of the plurality of the depth cameras may include a controller and a collector. The controller may be configured to generate and transmit an acquisition signal to the collector in response to a trigger signal. The collector may be configured to receive the acquisition signal and perform au image acquisition process in response to the acquisition signal.
    Type: Application
    Filed: August 27, 2018
    Publication date: September 23, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Xueyou Cao, Ping Zhang, Wei Liu, Likai Deng
  • Publication number: 20210279439
    Abstract: A method for imaging a fingerprint under a screen, including: acquiring a finger pressing area formed by a finger pressing on the screen; determining a first light source and a second light source of the screen based on the finger pressing area, wherein arrangement directions of the first light source and the second light source are not perpendicular to a long axis of the finger pressing area; acquiring a first fingerprint image after the first light source is turned on, and a second fingerprint image after the second light source is turned on; and splicing the first fingerprint image and the second fingerprint image to acquire a target fingerprint image.
    Type: Application
    Filed: January 25, 2021
    Publication date: September 9, 2021
    Inventors: Yapeng Li, Haisheng Wang, Xiaoliang Ding, Xueyou Cao, Yangbing Li, Yuanyuan Ma, Wenjuan Wang, Jiabin Wang
  • Patent number: 11106884
    Abstract: The present disclosure discloses a fingerprint identification component, a fingerprint identification method and a fingerprint identification device. the fingerprint identification component includes an ultrasonic wave transmission circuit and an ultrasonic wave reception circuit, the ultrasonic wave transmission circuit is configured to transmit an ultrasonic wave in a direction towards a fingerprint at an interval of a first time period in a detection phase; the ultrasonic wave reception circuit is configured to, in the detection phase, receive an ultrasonic wave reflected by the fingerprint, convert the ultrasonic wave into an electric signal, and output the electric signal to a signal reading line, in order for an external detection component to determine texture information of the fingerprint according to the electric signal in the signal reading line.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: August 31, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Xue Dong, Haisheng Wang, Yingming Liu, Chihjen Cheng, Yanling Han, Xueyou Cao, Liguang Deng
  • Publication number: 20210264127
    Abstract: An imaging backplane, a driving method thereof and a fingerprint identification panel are provided, the imaging backplane includes M rows and N columns of imaging structures, 2M rows of first signal lines, 2N columns of second signal lines, a first reset sub-circuit and a second reset sub-circuit; wherein each imaging structure includes a first imaging unit and a second imaging unit; the first imaging unit of the imaging structure of row i and column j is connected with the first signal line of row 2i-1 and the second signal line of column 2j-1 respectively, and the second imaging unit of the imaging structure of row i and column j is connected with the first signal line of row 2i and the second signal line of column 2j respectively.
    Type: Application
    Filed: May 25, 2020
    Publication date: August 26, 2021
    Inventors: Xiaoliang DING, Haisheng WANG, Yingming LIU, Lei WANG, Xueyou CAO, Jiabin WANG, Ping ZHANG, Yapeng LI
  • Patent number: 11086450
    Abstract: The present disclosure provides a touch circuit, a touch device, and a touch method. The touch circuit includes: at least one photodetection circuit, and a first capacitor electrically connected to the at least one photodetection circuit. Each photodetection circuit is configured to detect modulated light reflected by a touch object, generate a modulation signal according to the modulated light, and output the modulation signal through the first capacitor.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: August 10, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xiaoliang Ding, Xue Dong, Haisheng Wang, Yingming Liu, Xueyou Cao, Wei Liu
  • Patent number: 11085817
    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: Grant
    Filed: July 2, 2018
    Date of Patent: August 10, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Haisheng Wang, Yingming Liu, Xueyou Cao, Yanling Han, Ping Zhang
  • Patent number: 11086158
    Abstract: The present disclosure provides an array substrate, comprising a substrate and a display element arranged above the substrate. The array substrate further comprises an antenna structure for transmitting and receiving electromagnetic waves. The antenna structure comprises a signal shielding layer and an antenna patch layer arranged on the substrate. The antenna patch layer and the signal shielding layer are spaced apart through a dielectric layer. The antenna patch layer is beneath the signal shielding layer such that the antenna structure transmits electromagnetic waves towards the bottom of the substrate and receives the electromagnetic waves from the bottom of the substrate. The present disclosure further provides a display panel and a man-machine interactive terminal.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: August 10, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Pengpeng Wang, Xue Dong, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Chihjen Cheng, Wei Liu, Yanling Han, Xueyou Cao, Ping Zhang, Changfeng Li, Yanan Jia, Yuzhen Guo
  • Publication number: 20210234114
    Abstract: The embodiments of the present disclosure relates to an electroluminescent display panel. The electroluminescent display panel may include an array substrate; a package cover opposite the array substrate; a plurality of electroluminescent components on a side of the array substrate facing the package cover; a plurality of photosensitive units; and a mask layer between the plurality of electroluminescent components and the package cover. Each of the plurality of photosensitive units may be between two adjacent electroluminescent components, and the photosensitive units may be configured to sense light in a non-visible light spectrum.
    Type: Application
    Filed: December 23, 2019
    Publication date: July 29, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yapeng Li, Xiaoliang Ding, Haisheng Wang, Pengpeng Wang, Yuanyuan Ma, Yangbing Li, Xueyou Cao
  • Publication number: 20210232253
    Abstract: Embodiments of the present disclosure relate to a piezoresistive detection circuit, a piezoresistive detection substrate, a display panel and a display device. The piezoresistive detection circuit includes a first transistor, a second transistor, a fixed resistor, and a pressure sensitive resistor.
    Type: Application
    Filed: February 11, 2018
    Publication date: July 29, 2021
    Inventors: ChihJen CHENG, Yuzhen GUO, Pengpeng WANG, Xiaoliang DING, Xueyou CAO, Yanling HAN, Wei LIU
  • Patent number: 11074860
    Abstract: An optical signal noise reduction circuit includes a reference line, a comparison detection circuitry and a photoelectric signal read line. An electric signal on the photoelectric signal read line includes a noise electric signal and a photoelectric signal. The reference line is configured to sense the noise electric signal on the photoelectric signal read line, to generate a corresponding second electric signal. The comparison detection circuitry is connected to the reference line and the photoelectric signal read line and configured to acquire the photoelectric signal in accordance with the electric signal on the photoelectric signal read line and the electric signal on the reference line. One or more optical signal noise reduction circuits are used in a display panel. The optical signal noise reduction circuit may be utilized in an optical signal noise reduction method.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: July 27, 2021
    Assignee: Boe Technology Group Co., Ltd.
    Inventors: Xiaoliang Ding, Xue Dong, Haisheng Wang, Yingming Liu, Wei Liu, Changfeng Li, Xueyou Cao, Pengpeng Wang, Liguang Deng
  • Publication number: 20210223928
    Abstract: Provided is a touch circuit including first and second voltage input terminals, a pressure sensing circuit and an output circuit, the first voltage input terminal is configured to input a first voltage signal, the second voltage input terminal is configured to input a second voltage signal, the first voltage signal is different from the second voltage signal, an input terminal of the pressure sensing circuit is coupled to the first voltage input terminal, an output terminal of the pressure sensing circuit is coupled to an input terminal of the output circuit, a control terminal of the output circuit is configured to receive a control signal, and the output circuit is configured to control on/off state between the input terminal of the output circuit and the output terminal of the output circuit according to the control signal. A touch panel, a display panel and a display device are also provided.
    Type: Application
    Filed: April 3, 2018
    Publication date: July 22, 2021
    Inventors: Xueyou CAO, Haisheng WANG, Xiaoliang DING, Chihjen CHENG, Yuzhen GUO, Yanling HAN, Wei LIU, Pengpeng WANG, Ping ZHANG
  • Publication number: 20210224500
    Abstract: The present disclosure provides a touch panel, a fingerprint recognition method thereof, a method for manufacturing a touch panel and a display device. The touch panel includes multiple driving electrode groups and multiple, sensing electrodes which are intersected with and insulated from each other, each of the driving electrode groups comprises a plurality of driving electrodes, each driving electrodes is coupled to a scanning line, and the method includes: a first scanning step of performing a first scanning on each of the driving electrode groups by using scanning lines to detect a sensing signal generated by a sensing electrode being touched; a determining step of determining a driving electrode group being touched according to the detected sensing signal; a second scanning step of sequentially performing a second scanning on the driving electrodes in the determined driving electrode group being touched to obtain a valley or a ridge of a fingerprint.
    Type: Application
    Filed: January 30, 2018
    Publication date: July 22, 2021
    Inventors: Pengpeng WANG, Xue DONG, Haisheng WANG, Xiaoliang DING, Chihjen CHENG, Yanling HAN, Wei LIU, Xueyou CAO, Rui XU, Yuzhen GUO, Ping ZHANG
  • 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: 20210217810
    Abstract: The present application provides an array substrate and a method of fabricating the same, a display panel and a display device. The array substrate is divided into a plurality of pixel regions, and each of the pixel regions is provided with a pixel thin film transistor (TFT). At least one of the pixel regions is provided with a pressure component and a force TFT, the force TFT includes a first electrode, a second electrode and a control electrode, and the pressure component is connected to one of the first electrode and the control electrode of the force TFT. At least one of layer structures of the pixel TFT is disposed in the same layer as a corresponding layer structure of the force TFT.
    Type: Application
    Filed: January 30, 2018
    Publication date: July 15, 2021
    Inventors: Yuzhen GUO, Xue DONG, Haisheng WANG, Chunwei WU, Yingming LIU, Xiaoliang DING, Xueyou CAO, Chihjen CHENG
  • Publication number: 20210209326
    Abstract: A detection circuit, a skin print recognition device and a method for driving a detection circuit are disclosed. The detection circuit includes a photosensitive element, a switching sub-circuit and a charge releasing sub-circuit. The photosensitive element is electrically coupled to the switching sub-circuit and the charge releasing sub-circuit, and is configured to convert a received optical signal into an electrical signal, the switching sub-circuit is configured to output the electrical signal, and the charge releasing sub-circuit is configured to release charges in the photosensitive element after the switching sub-circuit outputs the electrical signal.
    Type: Application
    Filed: November 1, 2019
    Publication date: July 8, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xueyou CAO, Pengpeng WANG, Xiaoliang DING, Haisheng WANG, Ping ZHANG, Wenjuan WANG, Yapeng LI, Jiabin WANG, Likai DENG
  • Publication number: 20210210964
    Abstract: A photoelectric conversion circuit and a driving method thereof, a photosensitive device and a display device are disclosed. The photoelectric conversion circuit includes a photosensitive circuit, a detection circuit, and a charging circuit, and the photosensitive circuit is connected to the detection circuit and the charging circuit respectively. The photosensitive circuit is configured to convert an optical signal into an electric signal, output the electric signal to the detection circuit in a first state for detection of the optical signal and output the electric signal to the charging circuit in a second state for charging.
    Type: Application
    Filed: December 18, 2019
    Publication date: July 8, 2021
    Inventors: Xueyou CAO, Xiaoliang DING, Haisheng WANG, Yunke QIN, Pengpeng WANG, Bo CHEN, Ping ZHANG, Likai DENG, Wenjuan WANG
  • Publication number: 20210201717
    Abstract: An anti-noise signal modulation circuit, a modulation method, a display panel and a display device are disclosed. The anti-noise signal modulation circuit includes a frequency-modulation control sub-circuit. An input end of the frequency modulation control sub-circuit is configured to receive an initial signal, and an output end of the frequency-modulation control sub-circuit is connected to a signal processing circuit that is preset; the frequency-modulation control sub-circuit is configured to frequency-modulate the initial signal by a switch signal that hops according to a preset period, and to output a modulation result to the signal processing circuit; and a frequency corresponding to the switch signal does not overlap with a noise frequency.
    Type: Application
    Filed: January 15, 2018
    Publication date: July 1, 2021
    Inventors: Chih Jen CHENG, Xiaoliang DING, Pengpeng WANG, Wei LIU, Yanling HAN, Xueyou CAO, Ping ZHANG
  • Publication number: 20210200412
    Abstract: Embodiments of the present disclosure provide a touch panel and a driving method thereof, and a touch device. The touch panel includes a plurality of touch electrodes and at least one first switch element. Each of the at least one first switch element is provided between two touch electrodes of the plurality of touch electrodes, and is configured to be turned on according to a first signal from a first signal terminal such that the corresponding touch electrodes among the plurality of touch electrodes are connected via the at least one first switch element to form a coil.
    Type: Application
    Filed: February 5, 2018
    Publication date: July 1, 2021
    Inventors: Xueyou CAO, Haisheng WANG, Xiaoliang DING, Yanling HAN, Chih Jen CHENG, Wei LIU, Pengpeng WANG, Ping ZHANG
  • Publication number: 20210192170
    Abstract: A panel for fingerprint identification and a control method thereof, and an apparatus for fingerprint identification. The panel for fingerprint identification includes: a display unit, a control unit, a unit for adjusting light transmittance and a unit for fingerprint identification which are disposed on a backlight side of the display unit, wherein an operating state of the panel for fingerprint identification includes: a display stage and a fingerprint identification stage. At the display stage, the display unit is configured to emit first light to display an image to be displayed, the unit for adjusting light transmittance is configured to transmit light transmitted through the display unit, and the control unit is connected with the unit for adjusting light transmittance and is configured to control the light transmittance of the unit for adjusting light transmittance.
    Type: Application
    Filed: June 3, 2020
    Publication date: June 24, 2021
    Inventors: Yuanyuan MA, Yapeng LI, Xiaoliang DING, Haisheng WANG, Jiabin WANG, Xueyou CAO, Pengpeng WANG, Wenjuan WANG
  • Patent number: 11036977
    Abstract: An identity recognition device, and an substrate and an identity recognition circuit are disclosed. In the substrate, a plurality of second recognition output lines are added to be arranged in pairs with first recognition output lines. A control signal loaded to the control signal line will be coupled to the first and second recognition output lines by the parasitic capacitance between the control signal line and the recognition output lines to cause similar signal interference to the first and second recognition output lines. During the identity recognition time period, the signal interference in the electric signal outputted by the first recognition output line can be removed by utilizing the similar noise signal received by the second recognition output line, in such a way to improve the signal-to-noise ratio and detection precision of the identity recognition signal.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: June 15, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengpeng Wang, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Xiaoliang Ding, Yingming Liu, Wei Liu, Yanling Han, Xueyou Cao, Ping Zhang, Changfeng Li, Lijun Zhao, Rui Xu