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: 10613365
    Abstract: A display panel and a display device are provided in embodiments of the disclosure, the display panel having a display region and a non-display region surrounding the periphery of the display region, and comprising: a first display substrate; a second display substrate, which is arranged opposite to, aligned with and assembled together with the first display substrate; a signal shielding frame, in the non-display region and between the first display substrate and the second display substrate; and signal antennas within the signal shielding frame, the signal shielding frame being configured to shield at least an inward transmission of the signal from the signal antennas towards the display region, so as to enable merely an outward transmission of the signal from the signal antennas towards an outer side of the display panel.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: April 7, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ping Zhang, Xue Dong, Haisheng Wang, Chun-Wei Wu, Xiaoliang Ding, Yanling Han, Xueyou Cao, Wei Liu, Yingming Liu, Yuzhen Guo, Pengpeng Wang, Chih-Jen Cheng, Rui Xu, Lijun Zhao, Yanan Jia, Changfeng Li, Yunke Qin, Pinchao Gu
  • Patent number: 10585304
    Abstract: The present disclosure provides an array substrate and a method for fabricating the same, and a display apparatus. The array substrate includes: a base substrate, and a shielding pattern and a plurality of detection units on the base substrate. At least one of the plurality of detection units includes a switch transistor and a photosensitive device coupled to the switch transistor. The shielding pattern covers the switch transistor on a side of the switch transistor distal to the base substrate. The photosensitive device is located on a side of the shielding pattern proximal to the base substrate. The shielding pattern is configured to shield irradiation light and allow detection light to be transmitted to the photosensitive device.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: March 10, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Xue Dong, Jing Lv, Haisheng Wang, Chunwei Wu, Yingming Liu, Wei Liu, Rui Xu, Pengpeng Wang, Yanling Han, Xueyou Cao, Ping Zhang
  • Patent number: 10585516
    Abstract: The present disclosure relates to a touch driving circuit. The touch driving circuit may include a driving transistor. A control terminal of the driving transistor is configured to receive a data signal. A first terminal of the driving transistor is configured to receive a power signal. A second terminal of the driving transistor is connected to a first electrode of a light emitting element in the touch panel. The touch driving circuit may include a touch electrode configured to transmit a touch signal. The touch electrode forms parasitic capacitance with a second electrode of the light emitting element. The touch driving circuit may include a control unit configured to transmit a compensation signal to the second terminal of the driving transistor in response to a control signal. The power signal, the data signal, the touch signal, and the compensation signal are synchronously modulated signals during a touch stage.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: March 10, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chih Jen Cheng, Xiaoliang Ding, Changfeng Li, Pengpeng Wang, Wei Liu, Yanling Han, Xueyou Cao, Ping Zhang
  • Patent number: 10573228
    Abstract: Provided is a display panel comprising including: a base substrate; a plurality of pixel units, each of which is provided with a light emitting structure, each light emitting structure includes a first electrode, a light emitting layer, and a second electrode sequentially stacked on the base substrate; a plurality of pixel circuits respectively disposed in the pixel units for driving the light emitting structure to emit light; a deforming layer disposed above the second electrodes of the light emitting structures; and one or more heating control circuits respectively disposed in different pixel units and each electrically connected to the second electrode of the light emitting structure in a corresponding pixel unit, the heating control circuit is configured to control the second electrode of the light emitting structure in the corresponding pixel unit to generate heat so that the hardness of the deforming layer above the second electrode changes.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: February 25, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanling Han, Haisheng Wang, Xiaoliang Ding, Changfeng Li, Xue Dong, Jing Lv, Chunwei Wu, Pengpeng Wang, Xueyou Cao, Ping Zhang, Chihjen Cheng, Wei Liu, Yanan Jia, Lijun Zhao
  • 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
  • Patent number: 10545616
    Abstract: The present disclosure provides a touch display panel, a flexible display panel and a display apparatus. In one embodiment, light sensitive effect-based photo-sensitive diodes and switching transistors for controlling signal output of the photo-sensitive diodes are integrated in the display panel. Once a touch operation of an object (e.g., a finger) is implemented on a surface of the display panel, the photo-sensitive diode in a corresponding position can convert a sensed light intensity difference into an electrical signal difference to achieve detection of the touch operation.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: January 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Haisheng Wang, Xue Dong, Jing Lv, Chunwei Wu, Yingming Liu, Xiaoliang Ding, Rui Xu, Lijun Zhao, Changfeng Li, Wei Liu, Pengpeng Wang, Yanan Jia, Yanling Han, Xueyou Cao, Ping Zhang, Yuzhen Guo
  • Publication number: 20200012369
    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: Application
    Filed: January 11, 2018
    Publication date: January 9, 2020
    Inventors: Yuzhen Guo, Xue Dong, Haisheng Wang, Chun-wei Wu, Xueyou Cao, Yingming Liu, Xiaoliang Ding, Chih-Jen Cheng
  • Publication number: 20200007123
    Abstract: Disclosed are a microfluid detection device, system and method, a processing device and a storage medium, in the field of biochemistry. The device includes a first substrate and a second substrate facing each other, and a microfluid chamber between the first substrate and the second substrate; wherein the first substrate has a plurality of photoelectric sensors and an output circuit, each of the photoelectric sensors is configured to convert an optical signal passing through the second substrate and the microfluid chamber to an electrical signal, and the output circuit is configured to output the electrical signal obtained by the photoelectric sensor.
    Type: Application
    Filed: June 28, 2019
    Publication date: January 2, 2020
    Inventors: Yuzhen Guo, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Yanling Han, Xueyou Cao
  • Patent number: 10503954
    Abstract: A photosensitive module includes a plurality of photosensitive cells. Each of the photosensitive cells includes a selective light director having a first surface including a light entry region and a light exit region different from the light entry region, the selective light director being configured to selectively direct a collimated portion of light incident towards the light entry region to the light exit region to exit from the selective light director; and a photoelectric converter arranged in the light exit region and having a light receiving surface facing the light exit region to receive the collimation portion of the light exiting from the selective light director.
    Type: Grant
    Filed: April 14, 2018
    Date of Patent: December 10, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Rui Xu, Haisheng Wang, Yingming Liu, Pinchao Gu, Changfeng Li, Xueyou Cao, Wei Liu
  • Patent number: 10503300
    Abstract: A pressure-sensing circuit, a method for driving the pressure-sensing circuit and a display device are provided. The pressure-sensing circuit includes pressure-sensing gating lines arranged in rows, pressure-sensing reading lines arranged in columns, piezoresistance sensing circuits arranged in N rows and M columns, a pressure-sensing sub-circuit, a current input control circuit, and a current supply circuit for supplying a pressure-sensing current, where each of N and M is an integer greater than 1. The current input control circuit includes N current input control sub-circuits. The pressure-sensing sub-circuit is connected to each of the pressure-sensing reading lines and configured to perform a pressure-sensing operation in accordance with a voltage signal acquired from each of the pressure-sensing reading lines.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: December 10, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chihjen Cheng, Haisheng Wang, Xiaoliang Ding, Yingming Liu, Yuzhen Guo, Pengpeng Wang, Xueyou Cao
  • 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
  • Patent number: 10496867
    Abstract: The present disclosure provides a display device and a fingerprint identification method thereof, which belong to the field of fingerprint identification technology and can solve the existing problems of complex reflective light path in the process of fingerprint identification, large noise in the sensed signal and low accuracy of fingerprint identification. The display device in which the fingerprint identification method of a display device of the present disclosure is applicable comprises a plurality of pixel units for display, and a plurality of light sensing units for generating a sensed signal based on intensity of received light; the fingerprint identification method comprises: enabling part of the pixel units to emit light and keeping other pixel units not to emit light, and performing fingerprint identification based on the sensed signal generated by the plurality of light sensing units.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: December 3, 2019
    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, Changfeng Li, Rui Xu, Yanan Jia, Lijun Zhao
  • Publication number: 20190361559
    Abstract: Embodiments of the present disclosure provide a force touch display panel, a detection method thereof, and a display apparatus. The force touch display panel includes: a substrate; a display structure disposed in a display area on the substrate; and a force common electrode layer, a piezoelectric material layer, and a force sense electrode layer, which are stacked in sequence over the display structure. The force sense electrode layer includes a force sense electrode configured for identifying different forces, and the force sense electrode additionally serves as a touch detection electrode configured for identifying a touch operation.
    Type: Application
    Filed: June 15, 2018
    Publication date: November 28, 2019
    Inventors: Yuzhen GUO, Xue DONG, Haisheng WANG, Yingming LIU, Xiaoliang DING, Xueyou CAO, Lijun ZHAO, Chihjen CHENG
  • Publication number: 20190360869
    Abstract: Provided are a temperature sensor, an array substrate, and a display device. In the temperature sensor, a low-pass filter is disposed between a ring oscillator and a comparator, so that a square-wave signal output from the ring oscillator passes through the low-pass filter and a high-frequency component in the square-wave signal output from the ring oscillator is directly filtered out by the low-pass filter, thereby improving a signal-to-noise ratio of the ring oscillator and a test accuracy of the temperature sensor.
    Type: Application
    Filed: September 4, 2018
    Publication date: November 28, 2019
    Inventors: Xueyou CAO, Haisheng WANG, Chunwei WU, Xiaoliang DING, Yanling HAN, ChihJen CHENG, Wei LIU, Ping ZHANG, Tianhang LUAN, Hao LI, Shaoning GUO, Bingqian ZHU
  • Publication number: 20190354232
    Abstract: A touch readout circuit, a touch display panel and a display device are disclosed, the touch readout circuit includes a first gating circuit, configured to control a first current signal at a first electrode of the light-emitting component; a current mirror circuit, configured to provide the first current signal and a second current signal to a signal processing circuit, a current direction of the second current signal being opposite to a current direction of the first current signal; and a signal processing circuit, configured to: receive the first current signal, the second current signal and a touch scan signal, filter the second current signal to obtain a third current signal, provide a touch readout signal to an output end of the touch readout circuit according to the third current signal, the first current signal and the touch scan signal.
    Type: Application
    Filed: March 22, 2018
    Publication date: November 21, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang DING, Haisheng WANG, Chun Wei WU, Yingming LIU, Shenji YANG, Pengcheng LU, Pengpeng WANG, Xueyou CAO, Wei LIU
  • Publication number: 20190346924
    Abstract: A touch panel, an electronic device, and a driving method thereof are provided. The touch panel includes: a substrate and a tactile feedback layer, a touch detection circuit and a plurality of driving electrodes located on the substrate. The tactile feedback layer is configured to adjust hardness thereof under control of the driving electrode, the touch detection circuit is configured to provide a plurality of touch detection points, each of the touch detection points corresponding to at least one of the driving electrodes.
    Type: Application
    Filed: December 12, 2017
    Publication date: November 14, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yanling HAN, Haisheng WANG, Xiaoliang DING, Xue DONG, Jing LV, Chih-Jen CHENG, Wei LIU, Pengpeng WANG, Xueyou CAO, Ping ZHANG, Yanan JIA, Chun Wei WU
  • Publication number: 20190310296
    Abstract: A sense circuit for a piezoresistive sensor is provided that comprises: an energy storage circuit coupled to the piezoresistive sensor via a first node; a charge control circuit coupled to the first node and configured to charge the energy storage circuit to a predetermined potential; a discharge control circuit configured to allow the energy storage circuit to discharge through the piezoresistive sensor; and a readout circuit coupled to the first node and configured to output a sensed voltage based on a level of charges stored by the energy storage circuit
    Type: Application
    Filed: November 30, 2018
    Publication date: October 10, 2019
    Inventors: Chihjen CHENG, Xiaoliang DING, Pengpeng WANG, Xueyou CAO, Yuzhen GUO
  • Publication number: 20190294850
    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: Application
    Filed: March 8, 2018
    Publication date: September 26, 2019
    Inventors: Xueyou CAO, Xue DONG, Jing LV, Haisheng WANG, Xiaoliang DING, Yingming LIU, Yanling HAN, Wei LIU, Chunwei WU, Pengpeng WANG, Ping ZHANG
  • Publication number: 20190258350
    Abstract: Examples of the disclosure provide an OLED touch display panel, a display device and a method for delecting a touch operation zone, relate to the field of touch display, and may achieve an incell touch display panel. The display panel has an OLED component, which comprises a first electrode; a piezoresisiive material layer, which is above the first electrode of the OLED component; a touch electrode layer, which is above the piezoresistive material layer; and a first stripe electrode, a second stripe electrode, a third stripe electrode and a fourth stripe electrode, which are provided above the touch electrode layer and not contacted with each other.
    Type: Application
    Filed: September 29, 2017
    Publication date: August 22, 2019
    Applicant: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaoliang Ding, Haisheng Wang, Yingming Liu, Xueyou Cao, Wei Liu, Ping Zhang
  • Publication number: 20190250031
    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 15, 2019
    Inventors: Xiaoliang DING, Haisheng WANG, Yingming LIU, Xueyou CAO, Yanling HAN, Ping ZHANG