Patents by Inventor Quanhua HE

Quanhua HE 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: 11372281
    Abstract: A display panel includes: a substrate, a pixel layer and a sensing layer. The pixel layer is disposed on the substrate. The pixel layer includes pixel units arranged in an array. The sensing layer is disposed on one side of the substrate away from the pixel layer or disposed on one side of the substrate close to the pixel layer and is configured to convert a received optical signal into an electrical signal.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: June 28, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Quanhua He
  • Patent number: 11009978
    Abstract: An OLED panel, apparatus, fingerprint identification method and device are provided in the field of display technology. The OLED panel includes an OLED pixel array comprising a plurality of OLED sub-pixels, and a photoelectric detection circuitry comprising a plurality of photoelectric detectors. The plurality of photoelectric detectors are respectively disposed between the plurality of OLED sub-pixels. At least one of the plurality of photoelectric detectors is configured to detect light rays whose wavelength ranges are outside of wavelength ranges of light rays emitted from the OLED sub-pixels adjacent to the photoelectric detector. The present disclosure may perform the fingerprint identification only with the display area of the OLED panel, such that the occupancy area of the screen on the OLED panel is increased, thereby increasing the screen ratio and improving the display performance.
    Type: Grant
    Filed: May 29, 2018
    Date of Patent: May 18, 2021
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Quanhua He
  • Publication number: 20210063808
    Abstract: A display panel includes: a substrate, a pixel layer and a sensing layer. The pixel layer is disposed on the substrate. The pixel layer includes pixel units arranged in an array. The sensing layer is disposed on one side of the substrate away from the pixel layer or disposed on one side of the substrate close to the pixel layer and is configured to convert a received optical signal into an electrical signal.
    Type: Application
    Filed: November 29, 2019
    Publication date: March 4, 2021
    Applicant: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Quanhua HE
  • Patent number: 10592032
    Abstract: The present disclosure discloses a display panel and a display device for improving touch sensitivity of the display device, improving structural stability of the display device, and extending service life of the display device. The display panel provided by the disclosure comprises: a first substrate and a second substrate disposed opposite to each other; a plurality of force sensitive touch units located between the first substrate and the second substrate, each of said plurality of force sensitive touch units being electrically connected to a touch circuit of the display panel; wherein each of said force sensitive touch units includes: a first conductive layer and a second conductive layer arranged in parallel to each other, and a compressible insulating layer filled between the first conductive layer and the second conductive layer.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: March 17, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Quanhua He, Lingyun Shi, Hao Zhang, Tiankuo Shi, Xiaobo Xie, Jian Bai, Chao Yu
  • Patent number: 10332459
    Abstract: The present application discloses a display device and a driving method. The display device comprises: a power reset circuit and a source drive chip for driving a display panel to display. An input terminal of the power reset circuit is connected with a power signal output terminal, a control terminal of the power reset circuit is connected with a reset signal terminal, an output terminal of the power reset circuit is connected with a power signal input terminal of the source drive chip. The power reset circuit is used for resetting a power signal synchronously when receiving a reset signal, and inputting the reset power signal into the power signal input terminal of the source drive chip.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: June 25, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiurong Wang, Bo Gao, Lingyun Shi, Hao Zhang, Yafei Li, Peng Han, Chen Meng, Zijiao Xue, Tiankuo Shi, Quanhua He
  • Patent number: 10297220
    Abstract: Embodiments of the invention disclose a gate driving circuit and a corresponding display device. The gate driving circuit comprises: an area gating control module for gating a corresponding area in a circuit to be driven according to the received area control signal, a gate line gating control module gating a corresponding gate line in a gated area of the circuit to be driven, and a gate driving signal output module, and of which an output terminal is connected to a corresponding gate line, wherein if the logic value represented by the received gate line gating signal is 1, the gate driving signal output module outputs a driving signal for turning on the gate line, and otherwise, outputs a driving signal for turning off the gate line.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: May 21, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Quanhua He, Hao Zhang, Lingyun Shi, Junjie Ma, Jinshan Liu, Zijiao Xue
  • Patent number: 10203744
    Abstract: The present application discloses a display apparatus including a display panel; a backlight module; a motion sensor for detecting a motion parameter of the display apparatus and generating a motion parameter signal representing the motion parameter; at least one signal processor for comparing the motion parameter with a threshold value, and generating a power off signal if the motion parameter is greater than the threshold value; and a controller for controlling a state of the backlight module; the controller is configured to control the backlight module in a power off state upon receiving the power off signal.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: February 12, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Quanhua He, Hao Zhang, Lingyun Shi, Guangquan Wang, Zhen Chen, Jian Bo
  • Patent number: 10199009
    Abstract: A display adjusting system and a display adjusting method thereof are provided. These technical solutions relate to the field of display technology, may reduce power consumption of a portable electronic device, and may improve endurance ability of the portable electronic device. The display adjusting system comprises: a distance measuring module configured to measure a viewing distance, the viewing distance being a vertical distance from a viewing point to a display screen; and a resolution adjusting unit connected with the distance measuring module, the resolution adjusting unit being configured to set a matching resolution based on the measured viewing distance and a resolution power of a human's eye under the measured viewing distance and to adjust a resolution of the display screen to the matching resolution. The display adjusting system may be used to adjust a resolution of a display screen.
    Type: Grant
    Filed: December 24, 2015
    Date of Patent: February 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Quanhua He, Lingyun Shi, Hao Zhang, Zijiao Xue, Wei Wang
  • Patent number: 10186490
    Abstract: The present application provides a manufacturing method of a display panel and a bonding cutting device, belongs to a field of display technology, and can solve a problem of low production efficiency of display panels in the prior art. The display panel comprises a display region and a bonding region, the manufacturing method of the present application comprises steps of: cutting a display motherboard along cutting lines, and simultaneously bonding flexible circuit boards to bonding regions of the cut display panels corresponding thereto. The manufacturing method of the display panel in the present application is suitable for mass production of display panels.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: January 22, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Quanhua He, Hao Zhang, Lingyun Shi
  • Publication number: 20180349665
    Abstract: The present disclosure relates to an Organic Light-Emitting Diode (OLED) panel. The OLED panel includes a substrate having a first surface and a second surface that is opposite to the first surface; an OLED pixel array located in a plane on the first surface of the substrate, the OLED pixel array including a plurality of OLED sub-pixels; an ultrasonic transmitter including an ultrasonic emitting layer configured to emit ultrasonic waves; and an ultrasonic receiver including a receiver array, the receiver array including a plurality of receivers configured to convert received ultrasonic waves into electrical signals, wherein at least a part of an orthographic projection of the ultrasonic emitting layer and the receiver array on the plane falls within the OLED pixel array.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 6, 2018
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Quanhua HE
  • Publication number: 20180348936
    Abstract: An OLED panel, apparatus, fingerprint identification method and device are provided in the field of display technology. The OLED panel includes an OLED pixel array comprising a plurality of OLED sub-pixels, and a photoelectric detection circuitry comprising a plurality of photoelectric detectors. The plurality of photoelectric detectors are respectively disposed between the plurality of OLED sub-pixels. At least one of the plurality of photoelectric detectors is configured to detect light rays whose wavelength ranges are outside of wavelength ranges of light rays emitted from the OLED sub-pixels adjacent to the photoelectric detector. The present disclosure may perform the fingerprint identification only with the display area of the OLED panel, such that the occupancy area of the screen on the OLED panel is increased, thereby increasing the screen ratio and improving the display performance.
    Type: Application
    Filed: May 29, 2018
    Publication date: December 6, 2018
    Applicant: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventor: Quanhua HE
  • Patent number: 10140902
    Abstract: The present invention provides a display method and a display panel. The display panel comprises a plurality of rows of sub-pixels, the adjacent sub-pixels in the column direction having different colors and being staggered from each other by ½ of the sub-pixel in the row direction. The display method comprises: S1, generating an original image composed of a matrix of virtual pixels; S2, enabling the virtual pixels to correspond to sampling locations, wherein each sampling location corresponds to a virtual pixel; each sampling location is located between every two adjacent rows of the sub-pixels, and corresponds to a location between two sub-pixels in one row and a central location of a sub-pixel in the other row; and S3, calculating a display component of each sub-pixel in accordance with original components of corresponding colors of virtual pixels corresponding to the sub-pixel. The present invention is suitable for high resolution display.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: November 27, 2018
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Lingyun Shi, Xue Dong, Hyungkyu Kim, Haiwei Sun, Hao Zhang, Quanhua He, Kai Yang
  • Patent number: 10096280
    Abstract: A display driving method, a display driving device and a display device are provided. The display driving method includes: detecting corresponding voltage change degrees of a display panel when the display panel adopts different wiring approaches to display an image to be displayed; comparing the detected voltage change degrees to obtain a minimum voltage change degree; and controlling the display panel to adopt a wiring approach corresponding to the obtained minimum voltage change degree, and displaying the image to be displayed using source voltages corresponding to the wiring approach. A display panel in the disclosure can display images of different types with low power consumption, and hence the power consumption of the display panel can be greatly reduced.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: October 9, 2018
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Optoelectronics Technology Co., Ltd.
    Inventors: Di Wang, Hao Zhang, Lingyun Shi, Xue Dong, Quanhua He
  • Publication number: 20180275809
    Abstract: There is disclosed an in-cell touch screen and a display device, including a first touch electrode and a second touch electrode staggered with the first touch electrode. The second touch electrode includes first sub-electrodes and second sub-electrodes, which are sequentially connected with each other in a first direction in an alternate and orthographic mode, and the first sub-electrodes extend in the first direction, the second sub-electrodes extend in a direction perpendicular to the first direction, and an orthographic projection of the second sub-electrode on the array substrate is located within an orthographic projection of the first touch electrode on the array substrate. Therefore, it increases the mutual capacitance between the first touch electrode and the second touch electrode per unit area and improves the sensitivity of the in-cell touch screen when being touched.
    Type: Application
    Filed: May 29, 2018
    Publication date: September 27, 2018
    Inventors: Quanhua He, Lingyun Shi, Hao Zhang, Xiaobo Xie, Xiurong Wang, Zijiao Xue
  • Patent number: 9997132
    Abstract: The present disclosure discloses a data transmission method, a data transmission system and a portable display device, relates to the technical field of display, and can reduce power consumption of the portable display device and improve battery endurance of the portable display device. The data transmission method comprises: compressing display data; transmitting the compressed display data; and decompressing the compressed display data. The data transmission method and the data transmission system according to the present disclosure are used for data transmission between a processor and a source drive circuit in the portable display device.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: June 12, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Quanhua He, Hao Zhang, Lingyun Shi, Guangquan Wang, Jian Bo
  • Publication number: 20180107323
    Abstract: The present disclosure discloses a display panel and a display device for improving touch sensitivity of the display device, improving structural stability of the display device, and extending service life of the display device. The display panel provided by the disclosure comprises: a first substrate and a second substrate disposed opposite to each other; a plurality of force sensitive touch units located between the first substrate and the second substrate, each of said plurality of force sensitive touch units being electrically connected to a touch circuit of the display panel; wherein each of said force sensitive touch units includes: a first conductive layer and a second conductive layer arranged in parallel to each other, and a compressible insulating layer filled between the first conductive layer and the second conductive layer.
    Type: Application
    Filed: July 12, 2016
    Publication date: April 19, 2018
    Inventors: Quanhua HE, Lingyun SHI, Hao ZHANG, Tiankuo SHI, Xiaobo XIE, Jian BAI, Chao YU
  • Publication number: 20180090088
    Abstract: Embodiments of the invention discloses a gate driving circuit and a corresponding display device. The gate driving circuit comprises: an area gating control module for gating a corresponding area in a circuit to be driven according to the received area control signal, a gate line gating control module gating a corresponding gate line in a gated area of the circuit to be driven, and a gate driving signal output module, and of which an output terminal is connected to a corresponding gate line, wherein if the logic value represented by the received gate line gating signal is 1, the gate driving signal output module outputs a driving signal for turning on the gate line, and otherwise, outputs a driving signal for turning off the gate line.
    Type: Application
    Filed: September 2, 2016
    Publication date: March 29, 2018
    Inventors: Quanhua HE, Hao ZHANG, Lingyun SHI, Junjie MA, Jinshan LIU, Zijiao XUE
  • Patent number: 9905153
    Abstract: There are disclosed a gate driving circuit and a display device, which include: M areas, each area includes K sub driving circuit, and the k-th sub driving circuit includes: first and second row driving circuits, both of which include: a gate line grating control module (11) including a row control signal input terminal and an area grating signal input terminal, and an output terminal of the gate line grating control module (11) outputs a gate line grating signal according to received k-th and (k+1)-th row control signals and area grating signal; and a gate driving signal output module (12) including a gate line grating signal input terminal, a first-level driving signal input terminal and a second-level driving signal input terminal, and an output terminal of the gate driving signal output module (12) is connected to the gate line. The gate driving circuit can enhance flexibility of a scanning mode.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: February 27, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Quanhua He, Lingyun Shi, Hao Zhang, Chao Yu
  • Patent number: 9877372
    Abstract: The present invention relates to a driving circuit of organic light emitting diode comprising an electricity storage unit having a positive polarity at a first terminal and a negative polarity at a second terminal, and a signal input unit having opposite polarities at the first and second terminals, the signal polarity of the signal input unit being changed according to a preset frequency; a control unit, which causes the first terminal of the signal input unit to transmit negative charges to the anode of the organic light emitting diode and causes the second terminal of the signal input unit to transmit positive charges to the cathode of the organic light emitting diode, when the signal polarity at the first terminal of the signal input unit is negative and the signal polarity of the second terminal thereof is positive, and causes the first terminal of the electricity storage unit to transmit positive charges to the anode of the organic light emitting diode and causes the second terminal of the electricity s
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: January 23, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Quanhua He, Lingyun Shi, Hao Zhang, Tiankuo Shi
  • Patent number: 9875682
    Abstract: The present invention provides a display method and a display panel. The display panel comprises a plurality of rows of sub-pixels, the adjacent sub-pixels in the column direction having different colors and being staggered from each other by a half of a sub-pixel.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: January 23, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Lingyun Shi, Rui Liu, Xiaobo Xie, Quanhua He, Kai Yang