Patents by Inventor Wenchao HAN

Wenchao HAN 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: 11114053
    Abstract: An anti-peeping circuit for a display panel, a driving method thereof, and a display device. The anti-peeping circuit includes a waveform generator. The waveform generator is connected to an anti-peeping electrode of the display panel, and the waveform generator is configured to generate an anti-peeping signal and output the anti-peeping signal to the anti-peeping electrode of the display panel.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: September 7, 2021
    Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xinle Wang, Wei Sun, Wenchao Han, Zhaohui Meng, Lianghao Zhang, Yilin Feng, Xiaoyang Shen
  • Publication number: 20210232285
    Abstract: A driving method, a driving circuit and a touch-display apparatus are provided. The driving method includes providing a gate driving signal to a gate line, providing a pixel voltage to a data line, and providing a common electrode driving signal to a common electrode, wherein a pixel display operation is performed based on the gate driving signal, the pixel voltage, and the common electrode driving signal, and simultaneously, a touch detection operation is performed based on the common electrode driving signal. The driving method realizes the effect of simultaneously performing a pixel display operation and a touch detection operation, and solves the problem that the pixel display operation of the touch-display 0 apparatus is affected in the touch detection stage.
    Type: Application
    Filed: April 30, 2019
    Publication date: July 29, 2021
    Inventors: Yilin FENG, Wei SUN, Wenchao HAN, Zhaohui MENG, Xinle WANG, Yan YANG, Lianghao ZHANG, Xiaoyang SHEN
  • Publication number: 20210225304
    Abstract: The present disclosure provides a pixel structure, a method of driving the same and a display device. The pixel structure includes gate lines, data lines, and a plurality of subpixels arranged in an array form. Subpixels in each row correspond to two gate lines. Each data line corresponds to the subpixels in two adjacent columns, and each data line is arranged between the two adjacent columns of subpixels. Among the subpixels in each row, three adjacent subpixels are in different colors and forms a complete pixel unit. Among the subpixels in each column, three adjacent subpixels are in different colors and forms the complete pixel unit. Among the subpixels in two adjacent columns, the subpixels in two adjacent rows form two complete pixel units each including three subpixels, and two of the three subpixels are shared by the two pixel unit.
    Type: Application
    Filed: December 26, 2019
    Publication date: July 22, 2021
    Applicants: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jingchao YUAN, Zhaohui MENG, Wenchao HAN, Wei SUN, Xue DONG, Ming CHEN
  • Patent number: 11069319
    Abstract: The present disclosure provides a video playing method, device and storage medium. The method includes: obtaining a target video which comprises a plurality of video frames arranged in sequence, and sending sequentially the plurality of video frames to a display module, by a graphics processing unit; for each video frame, receiving and playing the video frame for a target duration from a start moment of receiving the video frame, by the display module; wherein target durations for which the display module plays at least two video frames in the target video are not equal. The technical solutions provided in the embodiments of the present disclosure can improve the refresh rate of a video.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: July 20, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhaohui Meng, Wei Sun, Wenchao Han, Lin Cong
  • Publication number: 20210165532
    Abstract: A detection substrate and a display device are disclosed. The detection substrate includes an outer detection electrode and an inner detection electrode on a base substrate and insulated from each other. The outer detection electrode has a hollowed portion, and the hollowed portion corresponds to the inner detection electrode. The inner detection electrode includes a body portion and a plurality of protrusion portions protruding from the body portion and extending in directions away from the body portion. The edge of the hollowed portion includes a curved portion, an orthographic projection of the curved portion on the base substrate protrudes into a region between orthographic projections of at least two adjacent protrusion portions of the plurality of protrusion portions on the base substrate, a portion of the orthographic projection of the curved portion is closer to an orthographic projection of the body portion on the base substrate.
    Type: Application
    Filed: April 5, 2020
    Publication date: June 3, 2021
    Inventors: Lianghao ZHANG, Wenchao HAN, Yilin FENG, Mingming WANG, Xin DUAN, Xiaoyang SHEN
  • Patent number: 11011097
    Abstract: A method for driving a display panel is disclosed. The display panel includes a plurality of sub-pixels arranged in an array, a plurality of data input ports, a plurality of groups of data lines, and a plurality of groups of selection switches, wherein each group of data lines includes a plurality of data lines coupled to the same data input port through a plurality of selection switches in a corresponding group of selection switches. The method includes: sequentially turning on a plurality of selection switches according to a first sequence when an Mth row of sub-pixels of the display panel is scanned; and sequentially turning on the plurality of selection switches according to a second sequence when an (M+1)th row of sub-pixels of the display panel is scanned, wherein M is a positive integer greater than or equal to 1, and the first sequence is different from the second sequence.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: May 18, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenchao Han, Yifan Song, Wei Sun, Jigang Sun
  • Publication number: 20210142747
    Abstract: An array substrate, a display panel, a display device, and driving methods thereof are provided. The array substrate includes subpixels arranged in an array, and switches. The subpixels include subpixels of a first color, subpixels of a second color, subpixels of a third color, subpixels of a fourth color, in odd rows of subpixels, the subpixels of the first color, the subpixels of the second color, the subpixels of the third color, the subpixels of the fourth color are sequentially arranged; in even rows of subpixels, the subpixels of the third color, the subpixels of the fourth color, the subpixels of the first color, the subpixels of the second color are sequentially arranged; and the subpixels of the first color are white subpixels; the subpixels of the second color are blue subpixels; the subpixels of the third color are green subpixels; the subpixels of the fourth color are red subpixels.
    Type: Application
    Filed: January 20, 2021
    Publication date: May 13, 2021
    Inventors: Zhen WANG, Wenwen QIN, Mingchao MA, Wenchao HAN, Jian SUN, Yun QIAO, Jun FAN
  • Publication number: 20210103359
    Abstract: A touch display module, includes a touch display panel which includes an array substrate and an alignment substrate arranged opposite each other; and a transparent electrode layer which includes a plurality of pressure detecting electrodes and is disposed on the alignment substrate at a side away from the array substrate.
    Type: Application
    Filed: December 6, 2017
    Publication date: April 8, 2021
    Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenchao HAN, Guangquan WANG, Wei SUN, Lingyun SHI, Yang CHEN, Bo GAO, Tiankuo SHI, Dong CHEN
  • Patent number: 10971091
    Abstract: An array substrate, a display panel and a driving method thereof, and a display device are provided. The array substrate includes a plurality of pixel units arranged in an array, each of the plurality of pixel units includes at least four sub-pixel units corresponding to different colors. When the array substrate displays a frame of image, in each row of pixel units, polarities of pixel voltages received by two sub-pixel units corresponding to the same color in adjacent two pixel units are different; a polarity of each pixel voltage represents the magnitude of each pixel voltage relative to a common voltage.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: April 6, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenchao Han, Wei Sun, Wei Wang, Yifan Song
  • Publication number: 20210096695
    Abstract: The present disclosure provides a touch panel and a positioning method thereof. The touch panel includes: a transparent conductive film layer including a plurality of first self-capacitance touch electrodes arranged along a first direction, wherein the plurality of first self-capacitance touch electrodes are configured to detect a coordinate of a touch point in the first direction, at least one of the plurality of first self-capacitance touch electrodes is a transparent conductive film block extending along a second direction, and the first direction intersects with the second direction; and a wire layer including a plurality of second self-capacitance touch electrodes arranged along the second direction, wherein the plurality of second self-capacitance touch electrodes are configured to detect a coordinate of the touch point in the second direction, and at least one of the plurality of second self-capacitance touch electrodes is a group of wires extending along the first direction.
    Type: Application
    Filed: September 29, 2020
    Publication date: April 1, 2021
    Inventors: Lianghao ZHANG, Wenchao HAN, Yilin FENG, Xiaoyang SHEN, Mingming WANG
  • Patent number: 10949042
    Abstract: The present disclosure discloses an array substrate and a display apparatus. The array substrate includes a touch electrode, wherein the touch electrode comprises a plurality of first sensing electrodes arranged in a first direction and a plurality of second sensing electrodes arranged in a second direction, each of the first sensing electrodes comprises an electrode strip, the electrode strip comprises a plurality of electrode blocks arranged in the second direction, each of the second sensing electrodes comprises a plurality of holes, the electrode blocks correspond to the holes in one to one correspondence, and projections of the electrode blocks in a direction perpendicular to a surface of the substrate are located in the corresponding holes.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: March 16, 2021
    Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Bo Gao, Jinxing Liu, Ming Chen, Xue Dong, Wenjia Sun, Yafei Li, Wenchao Han
  • Publication number: 20210074233
    Abstract: An anti-peeping circuit for a display panel, a driving method thereof, and a display device. The anti-peeping circuit includes a waveform generator. The waveform generator is connected to an anti-peeping electrode of the display panel, and the waveform generator is configured to generate an anti-peeping signal and output the anti-peeping signal to the anti-peeping electrode of the display panel.
    Type: Application
    Filed: January 4, 2019
    Publication date: March 11, 2021
    Inventors: Xinle WANG, Wei SUN, Wenchao HAN, Zhaohui MENG, Lianghao ZHANG, Yilin FENG, Xiaoyang SHEN
  • Patent number: 10923065
    Abstract: A data signal delay circuit and delay method and a display device are disclosed. The data signal delay circuit includes a feedback signal generation sub-circuit, a compensation signal generation sub-circuit, and a control sub-circuit. The feedback signal generation sub-circuit is configured to generate a feedback signal based on a first level signal from the first level signal terminal and a second level signal from the second level signal terminal under the control of a gate drive signal from a scan signal line currently being scanned. The compensation signal generation sub-circuit is configured to generate a compensation signal based on the feedback signal and a data enable signal from the data enable signal line. The control sub-circuit is configured to delay a data enable signal of the data enable signal line in a next cycle based on the compensation signal.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: February 16, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mingming Wang, Wei Sun, Ming Chen, Xue Dong, Wenchao Han, Rui Liu
  • Patent number: 10923054
    Abstract: An array substrate, a display panel, a display device, and driving methods thereof are provided. The array substrate includes a plurality of subpixels arranged in an array, a plurality of data lines, and a plurality of switches. The plurality of subpixels include subpixels of a first color, subpixels of a second color, subpixels of a third color, and subpixels of a fourth color, in odd rows of subpixels, the subpixels of the first color, the subpixels of the second color, the subpixels of the third color, and the subpixels of the fourth color are sequentially arranged; in even rows of subpixels, the subpixels of the third color, the subpixels of the fourth color, the subpixels of the first color, and the subpixels of the second color are sequentially arranged; and each column of subpixels corresponds to and is connected with a data line.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: February 16, 2021
    Assignees: ORDOS YUANSHENG OPTOELECTRONICS CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Zhen Wang, Wenwen Qin, Mingchao Ma, Wenchao Han, Jian Sun, Yun Qiao, Jun Fan
  • Patent number: 10884561
    Abstract: The disclosure discloses a touch substrate, a method thereof for positioning a touch, and a capacitive touch screen, and the touch substrate includes a base substrate and a plurality of separate touch electrodes arranged in a single layer on the base substrate, where the touch electrodes include first touch electrodes and second touch electrodes, arranged alternately in both a first direction and a second direction, and respective first touch electrodes in each of at least one row or column of the touch electrodes are connected through one same wire, or respective second touch electrodes in each of at least one row or column of the touch electrodes are connected through one same wire.
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: January 5, 2021
    Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Jinxing Liu, Bo Gao, Bo Liu, Yafei Li, Wenjia Sun, Wenchao Han, Xiaoyang Shen, Meiling Jin
  • Publication number: 20200294462
    Abstract: A data signal delay circuit and delay method and a display device are disclosed. The data signal delay circuit includes a feedback signal generation sub-circuit, a compensation signal generation sub-circuit, and a control sub-circuit. The feedback signal generation sub-circuit is configured to generate a feedback signal based on a first level signal from the first level signal terminal and a second level signal from the second level signal terminal under the control of a gate drive signal from a scan signal line currently being scanned. The compensation signal generation sub-circuit is configured to generate a compensation signal based on the feedback signal and a data enable signal from the data enable signal line. The control sub-circuit is configured to delay a data enable signal of the data enable signal line in a next cycle based on the compensation signal.
    Type: Application
    Filed: August 29, 2019
    Publication date: September 17, 2020
    Inventors: Mingming Wang, Wei Sun, Ming Chen, Xue Dong, Wenchao Han, Rui Liu
  • Patent number: 10726806
    Abstract: A display control method, a feedback circuit, a display device and an IC circuit are disclosed. The display control method is applied in the display device. The display control method includes: selecting two adjacent common electrodes of a plurality of common electrodes; collecting voltages of the two adjacent common electrodes; comparing the collected voltages of the two adjacent common electrodes and obtaining a comparison result. When the comparison result meets a preset condition, the method further includes compensating input voltages of pixel units in two pixel unit rows of a plurality of pixel unit rows corresponding to the two adjacent common electrodes based on the comparison result, so as to enable the voltages applied on the pixel units in the two pixel unit rows to be consistent.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: July 28, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wenchao Han, Wei Sun, Dong Chen, Lingyun Shi
  • Publication number: 20200234671
    Abstract: The present disclosure provides a video playing method, device and storage medium. The method includes: obtaining a target video which comprises a plurality of video frames arranged in sequence, and sending sequentially the plurality of video frames to a display module, by a graphics processing unit; for each video frame, receiving and playing the video frame for a target duration from a start moment of receiving the video frame, by the display module; wherein target durations for which the display module plays at least two video frames in the target video are not equal. The technical solutions provided in the embodiments of the present disclosure can improve the refresh rate of a video.
    Type: Application
    Filed: June 18, 2019
    Publication date: July 23, 2020
    Inventors: Zhaohui Meng, Wei Sun, Wenchao Han, Lin Cong
  • Publication number: 20200211486
    Abstract: An array substrate, a display panel, a display device, and driving methods thereof are provided. The array substrate includes a plurality of subpixels arranged in an array, a plurality of data lines, and a plurality of switches. The plurality of subpixels include subpixels of a first color, subpixels of a second color, subpixels of a third color, and subpixels of a fourth color, in odd rows of subpixels, the subpixels of the first color, the subpixels of the second color, the subpixels of the third color, and the subpixels of the fourth color are sequentially arranged; in even rows of subpixels, the subpixels of the third color, the subpixels of the fourth color, the subpixels of the first color, and the subpixels of the second color are sequentially arranged; and each column of subpixels corresponds to and is connected with a data line.
    Type: Application
    Filed: August 22, 2019
    Publication date: July 2, 2020
    Inventors: Zhen WANG, Wenwen QIN, Mingchao MA, Wenchao HAN, Jian SUN, Yun QIAO, Jun FAN
  • Publication number: 20200125188
    Abstract: A stylus pen that includes a tip electrode, a power supply circuit, a signal detector, and a drive circuit where an output signal is transmitted to and an input signal is received from a touch panel via the tip electrode. The power supply circuit of the stylus pen selectively supplies a first supply voltage or a second supply voltage. The signal detector of the stylus pen detects an enable signal from the input signal and the signal detector of the stylus pen controls the power supply circuit to supply the first supply voltage in response to presence of the enable signal. The drive circuit operates at the first supply voltage to generate the output signal.
    Type: Application
    Filed: October 10, 2019
    Publication date: April 23, 2020
    Inventors: Zhaohui MENG, Wei SUN, Wenchao HAN, Xinle WANG, Yilin FENG, Guangquan WANG