Patents by Inventor Likai Deng

Likai Deng 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: 20210216148
    Abstract: A display device, an electronic device, and a method for driving a display device are provided. The display device includes a display panel and a plurality of image sensors. The display panel has a display side and a back side opposite to the display side, the plurality of image sensors are independent at a plurality of independent positions on the back side of the display panel, and the plurality of image sensors are configured to integrally obtain depth image information of a target to be detected on the display side of the display panel.
    Type: Application
    Filed: January 14, 2019
    Publication date: July 15, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengpeng WANG, Haisheng WANG, Xiaoliang DING, Wenqing ZHAO, Yangbing LI, Yapeng LI, Likai DENG, Yuanyuan MA, Lei WANG
  • Publication number: 20210215973
    Abstract: The present disclosure relates to a backlight module, a display device, and a method for manufacturing the backlight module. The backlight module includes: a substrate; an optical film layer disposed on one side of the substrate; and at least one photosensitive element disposed on the substrate and configured to sense light from one side of the optical film layer away from the substrate; wherein the optical film layer is provided with a micro-hole array, and an orthographic projection of the micro-hole array on the substrate at least partially overlaps with that of the at least one photosensitive element on the substrate.
    Type: Application
    Filed: March 1, 2019
    Publication date: July 15, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Pengpeng WANG, Haisheng WANG, Xiaoliang DING, Yangbing LI, Ping ZHANG, Likai DENG
  • Publication number: 20210216163
    Abstract: A display apparatus for detecting three-dimensional (3D) spatial information. The display apparatus includes a display panel having plurality of active subpixels in a display area configured with multiple gaps respectively between at least some active subpixels, the display panel including a counter substrate at front and a backplane substrate at back; an optical layer at a back side of the backplane substrate; multiple light sensors attached discretely on a back side of the optical layer and substantially aligned with the multiple gaps in the display area; and a light source on the backplane substrate and configured to provide an infrared light signal in a direction toward a field of view beyond the counter substrate. The multiple light sensors are configured to detect respective infrared light signals reflected from multiple different regions of an object in the field of view for collectively deducing 3D spatial information of the object.
    Type: Application
    Filed: February 1, 2019
    Publication date: July 15, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Yangbing Li, Likai Deng
  • Publication number: 20210217379
    Abstract: A display device, an electronic equipment, and a method for driving a display device are disclosed. The display device includes a first light source group, a second light source group, a first image sensor group, and a second image sensor group. The first light source group is configured to emit light of a first determined frequency to illuminate a first partial region of a detection object, the second light source group is configured to emit light of a second determined frequency to illuminate a second partial region of the detection object, the first image sensor group is configured to receive the light of the first determined frequency emitted by the first light source group and reflected by the detection object, and the second image sensor group is configured to receive the light of the second determined frequency emitted by the second light source group and reflected by the detection object.
    Type: Application
    Filed: March 21, 2019
    Publication date: July 15, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yangbing LI, Pengpeng WANG, Xiaoliang DING, Jiabin WANG, Yapeng LI, Likai DENG
  • 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: 20210160409
    Abstract: A light source module and a display module are provided. The light source module includes: a substrate; a plurality of first light sources spaced on the substrate, each of the plurality of first light sources being configured to emit visible light; a depth sensor on the substrate; and a first blocking member configured to shield visible light but transmit invisible light. The depth sensor includes a second light source configured to emit invisible light and a light receiving member configured to sense invisible light, an orthographic projection of the second light source on the substrate is located within an orthographic projection of a gap between two adjacent first light sources on the substrate, an orthographic projection of the first blocking member on the substrate at least partially covers the orthographic projection of the second light source on the substrate.
    Type: Application
    Filed: October 11, 2019
    Publication date: May 27, 2021
    Inventors: Pengpeng WANG, Haisheng WANG, Xiaoliang DING, Yangbing LI, Yapeng LI, Likai DENG, Yuanyuan MA, Xueyou CAO, Ping ZHANG
  • Publication number: 20210124441
    Abstract: Disclosed are a display substrate, a display device and a detection method by using a display device. The display substrate includes at least one sub-pixel. the at least one sub-pixel includes a first region and a second region, and the at least one sub-pixel includes a light emitting element which is arranged in the first region, and a pixel circuit structure and a photosensitive stucture which are arranged in the second region, the pixel circuit structure and the photosensitive structure are stacked, and the photosensitive structure is closer to a light exiting side of the display substrate than the pixel circuit structure.
    Type: Application
    Filed: October 23, 2019
    Publication date: April 29, 2021
    Inventors: Xiaoliang DING, Haisheng WANG, Yingming LIU, Pengpeng WANG, Likai DENG, Yangbing LI, Xueyou CAO, Ping ZHANG
  • Publication number: 20210117640
    Abstract: A fingerprint identification and detection circuit, a fingerprint identification and detection method and a display device are provided. The fingerprint identification and detection circuit includes a storage capacitor, a capacitor control circuit and a photoelectric conversion element; the photoelectric conversion element is configured to, when in a photoelectric conversion state, convert a received optical signal into a corresponding electrical signal; the capacitor control circuit is provided between the storage capacitor and the photoelectric conversion element, and is configured to perform control to store at least part of the electrical signal to the storage capacitor under control of a capacitor control signal.
    Type: Application
    Filed: October 16, 2019
    Publication date: April 22, 2021
    Inventors: Xueyou CAO, Xiaoliang DING, Haisheng WANG, Wenjuan WANG, Pengpeng WANG, Yapeng LI, Ping ZHANG, Likai DENG
  • Patent number: 10950592
    Abstract: A display panel and a method of fabricating the same, and a display device are provided, the display panel includes a display substrate a package substrate opposite to each other, the display substrate includes a first base substrate; and a first electrode, an electroluminescent layer and a second electrode disposed on the first base substrate in sequence; the package substrate includes a second base substrate; and a conductive layer on the second base substrate, the conductive layer and the second electrode facing towards each other; the display panel further includes a conductive adhesive between the second electrode and the conductive layer, the conductive adhesive is configured to bond the display substrate with the package substrate, and electrically connect the second electrode with the conductive layer.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: March 16, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Xue Dong, Haisheng Wang, Xiaochuan Chen, Likai Deng
  • 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
  • Patent number: 10929638
    Abstract: The disclosure discloses a display panel, a method for driving the same, and a display device, where the display panel includes a plurality of detection circuits arranged in an array, each detection circuit includes a control component, and a plurality of photosensitive recognition components arranged in an array; the control component is configured to obtain electric signals provided by the plurality of photosensitive recognition components, to process and then output, in a process of recognizing a fingerprint, the electric signals provided by the plurality of photosensitive recognition components separately, and to superimpose, in a process of detecting a touch, the electric signals provided by the plurality of photosensitive recognition components, and to process and output an electric signal resulting from the superimposition.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: February 23, 2021
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Xueyou Cao, Haisheng Wang, Xiaoliang Ding, Lei Wang, Wei Liu, Yanling Han, Bo Chen, Pengpeng Wang, Ping Zhang, Chihjen Cheng, Likai Deng
  • 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
  • Publication number: 20200266242
    Abstract: Embodiments of the present disclosure provide an array substrate, a display device and a spatial positioning method of a display device. The display device includes a base substrate, a pixel layer arranged at a side of the base substrate, a light source structure having a same light exit direction as the pixel layer, a processing element. The light source structure to emits collimation invisible light, the pixel layer includes a plurality of sub-pixels and at least one sensing pixel arranged between the sub-pixels, the at least one sensing pixel receives reflected light of the collimation invisible light emitted by the light source structure and reflected by an object to be positioned, the processing element is coupled with the sensing pixel and the light source structure, a distance from the object to the display device is calculated according to relevant data information of the collimation invisible light and the reflected light.
    Type: Application
    Filed: July 24, 2019
    Publication date: August 20, 2020
    Inventors: Xiaoliang DING, Xue DONG, Haisheng WANG, Yingming LIU, Pengpeng WANG, Yangbing LI, Jiabin WANG, Ping ZHANG, Likai DENG
  • Publication number: 20200225806
    Abstract: A light detection circuit, an electronic device, and an optical recognition method are provided. The light detection circuit includes a charge storage sub-circuit (10), a photoelectric conversion sub-circuit (30), a signal collection sub-circuit (40), and a potential pull-up sub-circuit (50). When a potential of a reading node (A) is decreased by a preset value, the potential pull-up sub-circuit (50) changes the potential of the reading node (A) to an initial potential. A photoelectric diode may continuously generate a light current under the action of light, so that the potential of the reading node (A) is decreased again. Even when the intensity of ambient light is high, a touch can be accurately recognized in an optical touch recognition circuit, and ridge lines and valley lines can be accurately recognized in an optical fingerprint recognition circuit.
    Type: Application
    Filed: July 25, 2019
    Publication date: July 16, 2020
    Inventors: Xiaoliang Ding, Xue Dong, Haisheng Wang, Yingming Liu, Wei Liu, Bo Chen, Xueyou Cao, Pengpeng Wang, Ping Zhang, Likai Deng
  • Publication number: 20200175245
    Abstract: The present disclosure provides a fingerprint detection device and method. The fingerprint detection device includes a detection substrate and a signal converter. The detection substrate includes pixels arranged in rows and columns. Each pixel includes a sensing circuit configured to receive an optical signal and output a sensing electrical signal according to the received optical signal. The signal converter includes A/D converters each coupled to one column of sensing circuits. The fingerprint detection device further includes a control circuit coupled to the sensing circuits and the A/D converters and configured to obtain common mode component of sensing electrical signals output by sensing circuits of at least part of the pixels and provide information about the common mode component to the A/D converters. The A/D converter is configured to perform analog-to-digital conversion on difference between the sensing electrical signal from corresponding sensing circuit and the common mode signal.
    Type: Application
    Filed: May 30, 2019
    Publication date: June 4, 2020
    Inventors: Xiaoliang DING, Xue DONG, Haisheng WANG, Yingming LIU, Wei LIU, Jiabin WANG, Yangbing LI, Pengpeng WANG, Ping ZHANG, Likai DENG, Bo CHEN
  • Patent number: 10654711
    Abstract: A droplet control and detection device and an operating method thereof are provided. The droplet control and detection device includes: a light source; a first electrode; a second electrode; a droplet arranged on a light-exiting side of the light source, where the droplet is movable under the effect of an electric field formed between the first electrode and the second electrode; a photoelectric detection structure configured to detect light emitted by the light source and reflected by the droplet; and a processing circuit configured to obtain droplet information according to a detection result of the photoelectric detection structure and control an electrical signal applied on the first electrode and the second electrode according to the droplet information.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: May 19, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Xue Dong, Haisheng Wang, Yingming Liu, Xueyou Cao, Yuzhen Guo, Ping Zhang, Pengpeng Wang, Yanling Han, Chihjen Cheng, Likai Deng, Yangbing Li
  • Publication number: 20200083205
    Abstract: A display panel and a method of fabricating the same, and a display device are provided, the display panel includes a display substrate a package substrate opposite to each other, the display substrate includes a first base substrate; and a first electrode, an electroluminescent layer and a second electrode disposed on the first base substrate in sequence; the package substrate includes a second base substrate; and a conductive layer on the second base substrate, the conductive layer and the second electrode facing towards each other; the display panel further includes a conductive adhesive between the second electrode and the conductive layer, the conductive adhesive is configured to bond the display substrate with the package substrate, and electrically connect the second electrode with the conductive layer.
    Type: Application
    Filed: May 16, 2019
    Publication date: March 12, 2020
    Inventors: Xiaoliang DING, Xue DONG, Haisheng WANG, Xiaochuan CHEN, Likai DENG
  • Publication number: 20200042764
    Abstract: The disclosure discloses a display panel, a method for driving the same, and a display device, where the display panel includes a plurality of detection circuits arranged in an array, each detection circuit includes a control component, and a plurality of photosensitive recognition components arranged in an array; the control component is configured to obtain electric signals provided by the plurality of photosensitive recognition components, to process and then output, in a process of recognizing a fingerprint, the electric signals provided by the plurality of photosensitive recognition components separately, and to superimpose, in a process of detecting a touch, the electric signals provided by the plurality of photosensitive recognition components, and to process and output an electric signal resulting from the superimposition.
    Type: Application
    Filed: April 15, 2019
    Publication date: February 6, 2020
    Inventors: Xueyou Cao, Haisheng Wang, Xiaoliang Ding, Lei Wang, Wei Liu, Yanling Han, Bo Chen, Pengpeng Wang, Ping Zhang, Chihjen Cheng, Likai Deng
  • Publication number: 20190366332
    Abstract: The present disclosure provides a microfluidic device, a driving method thereof and a microfluidic system. The microfluidic device includes a first substrate and a second substrate disposed opposite to each other, and a microcavity provided between the first and second substrates for accommodating droplets. The microfluidic device further includes at least one ultrasonic layer provided between the first and second substrates. The at least one ultrasonic layer includes a plurality of ultrasonic sensors configured to perform at least one of detection operation and driving operation to the droplets accommodated in the microcavity.
    Type: Application
    Filed: March 4, 2019
    Publication date: December 5, 2019
    Inventors: Ping ZHANG, Haisheng WANG, Xiaoliang DING, Wei LIU, Xueyou CAO, Pengpeng WANG, Yanling HAN, Jiabin WANG, Yangbing LI, ChihJen CHENG, Likai DENG