Patents by Inventor Chunbing ZHANG

Chunbing ZHANG 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: 11922894
    Abstract: Provided are a driving method of a display apparatus, a driving apparatus, an electronic device and a storage medium. The display apparatus includes a first display panel and a second display panel disposed on a light-emitting side of the first display panel, wherein the first display panel is divided into a plurality of pixel blocks; and the driving method includes: acquiring an angle between a user's eye and each pixel block and initial brightness data corresponding to the first display panel; determining misalignment information corresponding to each pixel block according to the angle between the user's eye and each pixel block; correcting the initial brightness data according to the misalignment information corresponding to each pixel block to obtain corrected brightness data; and outputting the corrected brightness data to the first display panel.
    Type: Grant
    Filed: September 15, 2021
    Date of Patent: March 5, 2024
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventor: Chunbing Zhang
  • Publication number: 20220238078
    Abstract: Provided are a driving method of a display apparatus, a driving apparatus, an electronic device and a storage medium. The display apparatus includes a first display panel and a second display panel disposed on a light-emitting side of the first display panel, wherein the first display panel is divided into a plurality of pixel blocks; and the driving method includes: acquiring an angle between a user's eye and each pixel block and initial brightness data corresponding to the first display panel; determining misalignment information corresponding to each pixel block according to the angle between the user's eye and each pixel block; correcting the initial brightness data according to the misalignment information corresponding to each pixel block to obtain corrected brightness data; and outputting the corrected brightness data to the first display panel.
    Type: Application
    Filed: September 15, 2021
    Publication date: July 28, 2022
    Inventor: Chunbing ZHANG
  • Patent number: 11249597
    Abstract: A pixel circuit, a handwriting display panel and a handwriting display system are provided. The pixel circuit includes: a write-in control circuit, a light-emitting circuit, a display control circuit and an erasing control circuit. The write-in control circuit includes a photosensitive switch, and the photosensitive switch is capable of being turned on under illumination of first light; the light-emitting circuit includes a first light-emitting component, which is configured to emit the first light to illuminate the photosensitive switch where the photosensitive switch is turned on; the display control circuit includes a display unit, which is configured to perform display operation where the photosensitive switch is turned on; and the erasing control circuit includes an induction switch, and the induction switch is controllable to be turned on.
    Type: Grant
    Filed: April 8, 2018
    Date of Patent: February 15, 2022
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Chunbing Zhang, Rui Guo, Weihao Hu
  • Patent number: 11088213
    Abstract: A display substrate is provided. The display substrate includes a first chromogenic layer; a plurality of first columns of light emitting elements on the first chromogenic layer; a second chromogenic layer on a side of the plurality of first columns of light emitting elements away from the first chromogenic layer; and a plurality of second columns of light emitting elements on a side of the second chromogenic layer away from the first chromogenic layer. The plurality of first columns of light emitting elements are arranged along substantially a same direction as the plurality of second columns of light emitting elements. The plurality of second columns of light emitting elements are spaced apart by a plurality of inter-column gap regions respectively. A respective one of the plurality of first columns of light emitting elements is at least partially in a respective one of the plurality of inter-column gap regions.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: August 10, 2021
    Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chunbing Zhang, Shou Li, Zhanchang Bu
  • Publication number: 20210225954
    Abstract: A display substrate is provided. The display substrate includes a first chromogenic layer; a plurality of first columns of light emitting elements on the first chromogenic layer; a second chromogenic layer on a side of the plurality of first columns of light emitting elements away from the first chromogenic layer; and a plurality of second columns of light emitting elements on a side of the second chromogenic layer away from the first chromogenic layer. The plurality of first columns of light emitting elements are arranged along substantially a same direction as the plurality of second columns of light emitting elements. The plurality of second columns of light emitting elements are spaced apart by a plurality of inter-column gap regions respectively. A respective one of the plurality of first columns of light emitting elements is at least partially in a respective one of the plurality of inter-column gap regions.
    Type: Application
    Filed: July 26, 2019
    Publication date: July 22, 2021
    Applicants: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chunbing ZHANG, Shou LI, Zhanchang BU
  • Publication number: 20210223880
    Abstract: A pixel circuit, a handwriting display panel and a handwriting display system are provided. The pixel circuit includes: a write-in control circuit, a light-emitting circuit, a display control circuit and an erasing control circuit. The write-in control circuit includes a photosensitive switch, and the photosensitive switch is capable of being turned on under illumination of first light; the light-emitting circuit includes a first light-emitting component, which is configured to emit the first light to illuminate the photosensitive switch where the photosensitive switch is turned on; the display control circuit includes a display unit, which is configured to perform display operation where the photosensitive switch is turned on; and the erasing control circuit includes an induction switch, and the induction switch is controllable to be turned on.
    Type: Application
    Filed: April 8, 2018
    Publication date: July 22, 2021
    Inventors: Chunbing ZHANG, Rui GUO, Weihao HU
  • Patent number: 10997903
    Abstract: The present disclosure relates to a display panel, a control method thereof, and a display device. The display panel includes a substrate and a plurality of pixel units. A plurality of pixel units is on the substrate; each pixel unit includes a sub-pixel unit, a control unit, and a protection unit. The control unit is electrically connected to the sub-pixel unit. After the sub-pixel unit is in the display state, the protection unit is configured to prevent the control unit from receiving an interference signal.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: May 4, 2021
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Danjuan Liu, Chunbing Zhang, Shou Li
  • Publication number: 20200251052
    Abstract: The present disclosure relates to a display panel, a control method thereof, and a display device. The display panel includes a substrate and a plurality of pixel units. A plurality of pixel units is on the substrate; each pixel unit includes a sub-pixel unit, a control unit, and a protection unit. The control unit is electrically connected to the sub-pixel unit. After the sub-pixel unit is in the display state, the protection unit is configured to prevent the control unit from receiving an interference signal.
    Type: Application
    Filed: October 4, 2019
    Publication date: August 6, 2020
    Applicants: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Danjuan LIU, Chunbing ZHANG, Shou LI
  • Patent number: 10657890
    Abstract: A pixel driving circuit is provided, comprising: a current control circuit configured to provide a constant current signal and an activation signal, a current switching circuit configured to control the transmission of the constant current signal to a light-emitting device under the control of the activation signal, and a grounding control circuit configured to control the current control circuit to provide the constant current signal and the activation signal. An input terminal of the current control circuit is connected to a data line and a power line, respectively. A control terminal of the current switching circuit is connected to an output terminal of the current control circuit, an input terminal of the current switching circuit is connected to the input terminal of the current control circuit, and an output terminal of the current switching circuit s connected to an input terminal of the light-emitting device.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: May 19, 2020
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Song Liu, Hengyu Yan, Boxiao Lan, Jinhui Cheng, Zhiming Meng, Chunbing Zhang, Rui Guo, Hanzhang Niu, Jianzi He
  • Patent number: 10564440
    Abstract: Embodiments of the present disclosure provide a display substrate and a manufacturing method thereof, a display driving method and a display device. The display substrate includes: a transparent base; a bidirectional light emitting element array emitting light in a first direction and a second direction perpendicular to the transparent base; a first variable grating array transmits or blocks the light emitted by odd-numbered columns of bidirectional light emitting elements in the first direction; a second variable grating array transmits or blocks the light emitted by odd-numbered columns of bidirectional light emitting elements in the second direction; a third variable grating array transmits or blocks the light emitted by even-numbered columns of bidirectional light emitting elements in the first direction; and a fourth variable grating array transmits or blocks the light emitted by even-numbered columns of bidirectional light emitting elements in the second direction.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: February 18, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chunbing Zhang
  • Patent number: 10535291
    Abstract: Embodiments of the present disclosure provide a display device and a control method thereof, and a display system. The display device includes a substrate and a pair of sub-pixels disposed on the substrate. The pair of sub-pixels includes a display sub-pixel and an interference sub-pixel, wherein the display sub-pixel and the interference sub-pixel are different in at least one of color or gray scale, wherein the display device has a light outgoing direction intersecting with the substrate; in the light outgoing direction, a projection of the display sub-pixel on a main surface of the substrate at least partially overlaps with a projection of the interference sub-pixel on the main surface of the substrate; and the display sub-pixel and the interference sub-pixel are configured to be capable of respectively emitting light in non-overlapping time periods.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: January 14, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Chunbing Zhang
  • Patent number: 10504437
    Abstract: This disclosure relates to a display panel, a control method thereof, a display device and a display system comprising such a display panel. The display panel includes a plurality of pixel units. Each pixel unit has a plurality of subpixels Each subpixel has a display subpixel and an interference subpixel. Additionally, the interference subpixel and the display subpixel are different in at least one of color and gray scale. The display panel also includes a first control unit configured to control the display subpixel to be switched on during a first period of time in each display period, and to control the interference subpixel to be switched off during the first period of time in each display period and switched on during a second period of time in each display period.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: December 10, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chunbing Zhang, Xianjuan Zhan, Yichiang Lai
  • Patent number: 10402013
    Abstract: A level converter and an operation method thereof, a gate driving circuit and a display device. The level converter includes: N input terminals, configured to receive N input signals; N control signal terminals, configured to receive N control signals; N output terminals, configured to output N output signals; and a level converting unit, connected to the N input terminals, the N control signal terminal and the N output terminals and configured to, according to a n-th control signal of the control signal terminals, determine to directly output a n-th input signal as a n-th output signal, or convert the n-th input signal and then output the converted n-th input signal as the n-th output signal; wherein when the n-th input signal is converted, the n-th input signal has shorter rise time and the n-th output signal has longer rise time, and N is a positive integer, 1?n?N.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: September 3, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Weibiao Geng, Yichiang Lai, Chunbing Zhang
  • Patent number: 10388234
    Abstract: A double-sided display device includes: a first display layer, configured to implement output of a display signal of a first side; and a second display layer, configured to implement output of a display signal of a second side; a conversion layer positioned between the first display layer and the second display layer, which switches between a light-transmitting state and an opaque light-shielding state. The conversion layer is in the light-shielding state during a display phase, and in the light-transmitting state during an interfering phase which follows the display phase. During the interfering phase, the first display layer is further configured to output a first interfering signal to interfere with the image displayed by the second side, and the second display layer is further configured to output a second interfering signal to interfere with the image displayed by the first side.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: August 20, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chunbing Zhang, Rui Guo, Hao Zhou, Weihao Hu, Liang Zhang
  • Patent number: 10325546
    Abstract: An array substrate, a display panel, a driving method thereof and a display device are provided. Each pixel in the array substrate includes four sub-pixels having different color filter colors and arranged in two rows and two columns. With respect to an example in which each row of sub-pixels corresponds to one gate line and each column of sub-pixels correspond to two data lines, during 3D display, two gate lines corresponding to each row of pixels apply gate scanning signals to this row of pixels, and two data lines corresponding to each column of sub-pixels apply gray scale signals to two sub-pixels belonging to each pixel in this column of sub-pixels respectively. Two sub-pixels having color filters of different colors belonging to a single pixel, in each column of sub-pixels, may receive gray scale signals over different data lines.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: June 18, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chunbing Zhang, Yichiang Lai, Liang Zhang
  • Publication number: 20190122609
    Abstract: A pixel driving circuit is provided, comprising: a current control circuit configured to provide a constant current signal and an activation signal, a current switching circuit configured to control the transmission of the constant current signal to a light-emitting device under the control of the activation signal, and a grounding control circuit configured to control the current control circuit to provide the constant current signal and the activation signal. An input terminal of the current control circuit is connected to a data line and a power line, respectively. A control terminal of the current switching circuit is connected to an output terminal of the current control circuit, an input terminal of the current switching circuit is connected to the input terminal of the current control circuit, and an output terminal of the current switching circuit s connected to an input terminal of the light-emitting device.
    Type: Application
    Filed: July 31, 2018
    Publication date: April 25, 2019
    Inventors: Song LIU, Hengyu YAN, Boxiao LAN, Jinhui CHENG, Zhiming MENG, Chunbing ZHANG, Rui GUO, Hanzhang NIU, Jianzi HE
  • Patent number: 10241343
    Abstract: A 3D conversion lens and a control method thereof are disclosed. The 3D conversion lens has a first substrate and a second substrate, the first substrate and the second substrate forming a box; electronic ink, the electronic ink filling in the box cavity of the box, and the electronic ink has opaque charged particles, the opaque charged particles have opaque pigment; an electrode formed on the first substrate; and an electrode formed on at least one side wall of the box cavity. With the conventional liquid crystal layer replaced by electronic ink, 3D display effect of the glasses is realized by controlling positive and negative polarity of the transparent electrodes on the substrate and the side wall of the box cavity. In this way, it is unnecessary to control and realize deflection of the liquid crystals, which simplifies the circuit structure and the preparation process of the 3D glasses.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: March 26, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chunbing Zhang, Xin Gai
  • Patent number: 10147343
    Abstract: The present disclosure provides a display panel, a method for driving the same, and an anti-peeping system.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: December 4, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Liyan Xu, Chunbing Zhang
  • Patent number: 10140915
    Abstract: The present disclosure provides a display device, a display system and a display method. The display device includes a driver circuit, a display panel, and an interference unit arranged at a display side of the display panel. The driver circuit is configured to drive the display panel to display an image, and a time period for each frame of the image includes a display period and an interference period. During the display period, the interference unit is in a transparent state so as to enable light beams from the display panel to pass through the interference unit, and during the interference period, the interference unit is in an interference state so as to interfere with the light beams from the display panel.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: November 27, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Chunbing Zhang, Xianjuan Zhan, Yichiang Lai
  • Patent number: 10140941
    Abstract: The present disclosure provides a method and apparatus for adjusting a screen refresh frequency and a display. The method comprises: acquiring and storing a current frame of picture signal; calculating a similarity value between the current frame of picture signal and a previous frame of picture signal; and acquiring a screen refresh frequency for the current frame of picture signal based on the similarity value according to a preset relationship between similarity values and screen refresh frequencies, so as to realize adjustment of the screen refresh frequency.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: November 27, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Mingchao Wang, Chunbing Zhang