Patents by Inventor Xiaoliang DING

Xiaoliang DING 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: 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: 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: 20210216739
    Abstract: Disclosed herein includes a method, an apparatus, a display device and storage medium storing computer executable instructions for fingerprint recognition. The method may comprise turning on a first subset of a plurality of light sources located on an apparatus, capturing a first fingerprint acquisition frame using a plurality of image sensors on the apparatus, turning on a second subset of the plurality of light sources, and capturing a second fingerprint acquisition frame using the plurality of image sensors. The first fingerprint acquisition frame may include a first set of valid image zones and a first set of invalid image zones. The second fingerprint acquisition frame may include a second set of valid image zones and a second set of invalid image zones. The second set of valid image zones at least partially covers areas of a finger touching interface different from the first set of valid image zones.
    Type: Application
    Filed: July 30, 2019
    Publication date: July 15, 2021
    Inventors: Changfeng LI, Haisheng WANG, Lei WANG, Yingming LIU, Xiaoliang DING, Yapeng LI, Yuanyuan MA, Yawei WANG
  • 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: 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: 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: 20210209334
    Abstract: A fingerprint identification module and a driving method thereof and an electronic device are provided. In the fingerprint identification module, a receiving electrode layer includes a plurality of receiving electrodes; a first driving electrode layer is arranged at a side of a piezoelectric material layer away from the receiving electrode layer and includes a plurality of first driving electrodes; a second driving electrode layer is arranged at a side of the receiving electrode layer away from the piezoelectric material layer and includes a plurality of second driving electrodes; the plurality of first driving electrodes and the plurality of second driving electrodes form a plurality of driving electrode pairs, and in each driving electrode pair, an orthographic projection of the first driving electrode on the piezoelectric material layer is at least partially overlapped with an orthographic projection of the second driving electrode on the piezoelectric material layer.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 8, 2021
    Applicant: BOE Technology Group Co., Ltd.
    Inventors: Yingming Liu, Xiaoliang Ding, Xiufeng Li, Pengpeng Wang
  • Patent number: 11054946
    Abstract: The present disclosure relates to image recognition devices and touch panels. An image recognition apparatus comprises a plurality of depth cameras including a plurality of depth camera units, each depth camera including two depth camera units, wherein the plurality of depth camera units is arranged in an array on a same substrate. According to the image recognition devices and touch panels of the embodiments, the accuracy of the depth detection can be improved.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: July 6, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengpeng Wang, Haisheng Wang, Xiaoliang Ding, Chihjen Cheng, Yanling Han, Ping Zhang
  • Publication number: 20210201063
    Abstract: A drive method for a texture recognition device and a texture recognition device. The texture recognition device includes a light source array and an image sensor array. The image sensor array includes a plurality of image sensors, the plurality of image sensors are configured to receive light emitted from the plurality of sub-light sources and then reflected by a texture to the plurality of image sensors for a texture collection; the drive method includes: at a first moment, the light source array operating to provide a first photosensitive light source, and at the first moment or a second moment different from the first moment, the light source array operating to provide a second photosensitive light source. A first imaging range of the first photosensitive light source on the image sensor array partially overlaps a second imaging range of the second photosensitive light source on the image sensor array.
    Type: Application
    Filed: November 28, 2019
    Publication date: July 1, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haisheng WANG, Xue DONG, Yingming LIU, Xiaoliang DING, Lei WANG, Changfeng LI, Yapeng LI
  • Publication number: 20210201760
    Abstract: A driving method of a pixel circuit, a driving method of a display panel, a pixel circuit, a display panel, and a display device. In the display period, the driving method of the pixel circuit includes: driving, by the current control circuit and the time control circuit according to the display data signal and the light-emitting control signal received by the current control circuit and the time data signal received by the time control circuit, a light-emitting element to emit light in the plurality of consecutive light-emitting phases; and causing the time control circuit to be turned off in the time control turn-off phase according to a time control turn-off data signal received by the time control circuit.
    Type: Application
    Filed: November 26, 2019
    Publication date: July 1, 2021
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengpeng WANG, Haisheng WANG, Xiaoliang DING, Han YUE
  • Publication number: 20210203821
    Abstract: An imaging device includes a lens array and an image sensor. The lens array includes a plurality of lens units, and is configured to provide a first lens sub-array and a second lens sub-array, the first lens sub-array includes a first lens unit of the lens units, the first lens unit and the image sensor are configured to have a first range of depth of field, the second lens sub-array includes a second lens unit of the lens units, the second lens unit and the image sensor are configured to have a second range of depth of field, the first depth range and the second depth range partially overlap, and a combined range of the first second ranges of depth of field is greater than each of the first range of depth of field and the second range of depth of field.
    Type: Application
    Filed: December 16, 2019
    Publication date: July 1, 2021
    Inventors: Lei WANG, Lin ZHANG, Xiaoliang DING, Pengpeng WANG, Haisheng 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: 20210192167
    Abstract: An ultrasonic fingerprint recognition module is described that includes sensing units distributed in the form of array, where the sensing units include: a receiving electrode layer having a plurality of receiving electrodes distributed in the form of array; a piezoelectric material layer disposed on one side of the receiving electrode layer; an emission electrode layer disposed on a side of the piezoelectric material layer distal to the receiving electrode layer, and including a plurality of rows of emission electrodes; a selection circuit having an input terminal which is connected with an excitation signal and an output terminal which is connected with the emission electrode for selecting to transmit the excitation signal to the plurality of emission electrodes; and a pixel receiving circuit connected to the receiving electrode layer that receives a fingerprint signal.
    Type: Application
    Filed: June 29, 2020
    Publication date: June 24, 2021
    Inventors: Xiufeng LI, Haisheng WANG, Xiaoliang DING, Pengpeng WANG, Yuzhen GUO, Lijun ZHAO, Chenyang ZHANG, Yaqian JI, Yanling HAN, Peixiao LI
  • 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
  • Publication number: 20210193078
    Abstract: The present disclosure discloses a structure for collecting light field information, a display device, and a control method of the display device. The structure for collecting light field information includes a base substrate, a plurality of sensor chips located on the base substrate, where each of the plurality of sensor chips includes a plurality of sensing units arranged in an array, and a plurality of micro-imaging structures located above a side, facing away from the base substrate, of the plurality of sensor chips. Each of the plurality of micro-imaging structures corresponds to a respective one of the sensor chips. An orthographic projection of the respective one sensor chip on the base substrate has an overlapping region with an orthographic projection of the each micro-imaging structure on the base substrate. The respective one sensor chip is configured to receive light field information passing through the each micro-imaging structure.
    Type: Application
    Filed: June 25, 2020
    Publication date: June 24, 2021
    Inventors: Pengpeng WANG, Xue DONG, Haisheng WANG, Xiaoliang DING, Lei WANG, Lin ZHANG
  • Publication number: 20210192171
    Abstract: A fingerprint identification assembly is disclosed. The fingerprint identification assembly includes first point light sources for emitting first signal light; second point light sources for emitting second signal light after the first point light source emits the first signal light; light sensitive units configured to sequentially receive the first signal light and the second signal light reflected by a finger; and an optical filter layer provided on a light entry side of the light sensitive unit. The optical filter layer includes first filter units, the first filter unit corresponds to a non-imaging area that is formed on the light sensitive units after the first point light source is lit, for preventing the first signal light reflected by the finger from irradiating the non-imaging area of the light sensitive units, and allowing the second signal light reflected by the finger to irradiate the non-imaging area of the light sensitive units.
    Type: Application
    Filed: June 24, 2020
    Publication date: June 24, 2021
    Inventors: Xiaoliang DING, Haisheng WANG, Yingming LIU, Lei WANG, Yapeng LI, Jiabin WANG
  • 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: 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