Patents by Inventor Baoqiang Wang

Baoqiang Wang 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: 10796654
    Abstract: A switching circuit, a gate scanning signal control circuit, a gate driving circuit, a display device and a driving method are provided. The switching circuit includes a gate scanning signal receiving terminal, a second output terminal, and a third output terminal. The gate scanning signal receiving terminal of the switching circuit is configured to receive a gate scanning signal, and the switching circuit is configured to output the gate scanning signal to the second output terminal and the third output terminal simultaneously under control of the gate scanning signal.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: October 6, 2020
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Baoqiang Wang, Xu Xu
  • Publication number: 20200105217
    Abstract: A gate driving circuit includes 4n stages of shift register units, and n stages of inversion units. One of the inversion units is disposed between every two groups of four adjacent stages of shift register units. A (n+1)th stage of the inversion units is disposed between two of the shift register units, and configured to output in inverted phases gate driving signals outputted by the two shift register units in a heavy-load screen stage, and output in positive phases gate driving signals outputted by the two shift register units in a normal screen stage.
    Type: Application
    Filed: May 31, 2019
    Publication date: April 2, 2020
    Inventors: Honglin Zhang, Baoqiang Wang, Jinbo Tang
  • Publication number: 20190304393
    Abstract: A switching circuit, a gate scanning signal control circuit, a gate driving circuit, a display device and a driving method are provided. The switching circuit includes a gate scanning signal receiving terminal, a second output terminal, and a third output terminal. The gate scanning signal receiving terminal of the switching circuit is configured to receive a gate scanning signal, and the switching circuit is configured to output the gate scanning signal to the second output terminal and the third output terminal simultaneously under control of the gate scanning signal.
    Type: Application
    Filed: September 10, 2018
    Publication date: October 3, 2019
    Inventors: Baoqiang WANG, Xu XU
  • Patent number: 10401669
    Abstract: A touch display panel and a touch display device are disclosed to solve the problems that twisted nematic (TN) mode LCD panel in the known technology usually has complex structure, larger thickness and higher manufacturing costs. The touch display panel includes a first substrate (1) and a second substrate (2) disposed in opposite to each other, wherein a surface of the first substrate (1) facing the second substrate (2) is provided with a touch electrode (3), a surface of the second substrate (2) facing the first substrate (1) is provided with a touch line (4), and a conductive structure (5) is disposed between the first substrate (1) and the second substrate (2); wherein the touch electrode (3) is electrically connected with the touch line (4) through the conductive structure (5).
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: September 3, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Peng Jia, Baoqiang Wang, Ning Li, Sang Jin Park
  • Patent number: 10332434
    Abstract: A reset circuit for compensating a level reduction at a first node during a first stage without affecting levels during a second stage includes a reset portion, a reset control portion, and at least three input terminals. The reset portion is coupled to the first and second input terminals, and a second node, and is configured to be turned on if the second node is at a first level, to electrically couple the second and first input terminals. The reset control portion is coupled to the first, second, and third input terminals, and the second node, and is configured to electrically couple the second input terminal with the second node if the first input terminal is at the first level, and to electrically couple the second node with the third input terminal if the second input terminal is at a second level.
    Type: Grant
    Filed: November 7, 2016
    Date of Patent: June 25, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Qi Sang, Baoqiang Wang
  • Patent number: 10222897
    Abstract: An array substrate is provided. The array substrate includes a substrate, a pixel switch array, and a plurality of gate scanning lines and a plurality of data lines formed on the substrate, and having data signal input terminals and touch transmitting signal input terminals, the array substrate further comprising a display/touch conversion switch array and a conversion control signal line formed on the substrate, wherein the display/touch conversion switch array is coupled to at least a part of the data lines and to the conversion control signal line, and is adapted to, under control of the conversion control signal line, couple the at least a part of the data lines to the data signal input terminals in a display stage, and couple the at least a part of the data lines to the touch transmitting signal input terminals in a touch stage as touch transmitting electrodes.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: March 5, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Baoqiang Wang, Xibin Shao
  • Patent number: 10192484
    Abstract: The embodiments of the present disclosure provide a pixel circuit and a driving method thereof, a display panel and a display device, which relate to the field of display technology, and can prevent the drift of the threshold voltage of a driving transistor from affecting the driving current of an active light emitting device. The pixel circuit comprises: a preset unit, a compensation unit, a data writing unit, a driving unit, an energy storage unit, and a light emitting unit. The embodiments of the present disclosure can be used to manufacture display devices.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: January 29, 2019
    Assignees: BOE Technology Group Co., Ltd., Beijing BOE Display Technology Co., Ltd.
    Inventors: Feng Li, Baoqiang Wang
  • Publication number: 20180366047
    Abstract: A reset circuit for compensating a level reduction at a first node during a first stage without affecting levels during a second stage includes a reset portion, a reset control portion, and at least three input terminals. The reset portion is coupled to the first and second input terminals, and a second node, and is configured to be turned on if the second node is at a first level, to electrically couple the second and first input terminals. The reset control portion is coupled to the first, second, and third input terminals, and the second node, and is configured to electrically couple the second input terminal with the second node if the first input terminal is at the first level, and to electrically couple the second node with the third input terminal if the second input terminal is at a second level.
    Type: Application
    Filed: November 7, 2016
    Publication date: December 20, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Qi SANG, Baoqiang WANG
  • Patent number: 10141347
    Abstract: Disclosed are an array substrate and a display device. The array substrate comprises a plurality of first data lines (1) parallel to a short side of the array substrate, a plurality of second data lines (2) parallel to a long side of the array substrate, a first integrated circuit (3) arranged in a short-side frame. The plurality of the second data lines (2) are configured for connecting the first integrated circuit (3) with the plurality of the first data lines (1), and the first integrated circuit (3) transmits data signal to the plurality of first data lines (1) through the plurality of second data lines (2). The first integrated circuit for transmitting signals to the data lines is arranged in the short-side frame, so that there is no more integrated circuit arranged in the long-side frame, thereby reducing the border-width of the long-side frame and increasing the visual effect for the viewer.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: November 27, 2018
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Feng Li, Baoqiang Wang, Sangjin Park
  • Publication number: 20180143714
    Abstract: The present application discloses a display substrate, including: a plurality of gate lines, a plurality of data lines, a plurality of gate lead wires, and a plurality of touch electrode lead wires, each one of the plurality of gate lead wires configured for providing a Gate signal to at least one of the plurality of gate lines, at least one of the plurality of touch electrode lead wires configured for transmitting a touch signal to a touch electrode. At least one of the plurality of gate lead wires and at least one of the plurality of touch electrode lead wires being aligned along a direction that one of the plurality of data lines is aligned.
    Type: Application
    Filed: September 30, 2016
    Publication date: May 24, 2018
    Inventors: Qi SANG, Baoqiang WANG, Sangjin PARK
  • Publication number: 20180107379
    Abstract: The present disclosure provides a touch panel, a touch control display device including the touch panel and a method of driving the touch panel enabling divisional or partition touch control scan. The touch panel includes an electrode array that is composed of a plurality of touch control drive electrodes and a plurality of touch control sensing electrodes and is divided into n touch control regions.
    Type: Application
    Filed: August 10, 2016
    Publication date: April 19, 2018
    Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Peng Jia, Baoqiang Wang, Sang Jin Park
  • Publication number: 20180074624
    Abstract: The present disclosure provides a driving method and a driver integrated circuit configured to drive a touch screen using such driving method, for shortening a touch time of the touch screen, thereby prolonging a display time of the touch screen and accordingly improving the charging rate of pixels. The touch screen includes a plurality of touch electrodes arranged in an array and is provided with a time period for displaying a frame, which time period is divided into a touch time period and a display time period. The method includes: dividing the plurality of touch electrodes into at least two groups; and during the touch time period of each frame, scanning each group of touch electrodes with a touch scanning duration which the longest one of durations required for scanning the touch electrodes in the group of touch electrodes.
    Type: Application
    Filed: May 5, 2016
    Publication date: March 15, 2018
    Inventors: Liang Zhang, Baoqiang Wang, Peng Jia
  • Publication number: 20180067582
    Abstract: An in-cell touch panel and a display device are disclosed. In the in-cell touch panel, the data line is multiplexed as a connection line for electrically connecting the self-capacitance electrode to the touch detection chip. During a display period, the first control component is used to control each self-capacitance electrode to be disconnected from a corresponding connection line, and the second control component is used to control each data line to be electrically connected to the data driving circuit. During a touch period, the first control component is used to control each self-capacitance electrode to be connected to a corresponding connection line, and the second control component is used to control the data lines multiplexed as the connection lines to be electrically connected to the touch detection chip.
    Type: Application
    Filed: April 15, 2016
    Publication date: March 8, 2018
    Inventor: Baoqiang WANG
  • Publication number: 20170276985
    Abstract: A touch display panel and a touch display device are disclosed to solve the problems that twisted nematic (TN) mode LCD panel in the known technology usually has complex structure, larger thickness and higher manufacturing costs. The touch display panel includes a first substrate (1) and a second substrate (2) disposed in opposite to each other, wherein a surface of the first substrate (1) facing the second substrate (2) is provided with a touch electrode (3), a surface of the second substrate (2) facing the first substrate (1) is provided with a touch line (4), and a conductive structure (5) is disposed between the first substrate (1) and the second substrate (2); wherein the touch electrode (3) is electrically connected with the touch line (4) through the conductive structure (5).
    Type: Application
    Filed: March 4, 2016
    Publication date: September 28, 2017
    Inventors: Peng JIA, Baoqiang WANG, Ning LI, Sang Jin PARK
  • Publication number: 20170271371
    Abstract: Disclosed are an array substrate and a display device. The array substrate comprises a plurality of first data lines (1) parallel to a short side of the array substrate, a plurality of second data lines (2) parallel to a long side of the array substrate, a first integrated circuit (3) arranged in a short-side frame. The plurality of the second data lines (2) are configured for connecting the first integrated circuit (3) with the plurality of the first data lines (1), and the first integrated circuit (3) transmits data signal to the plurality of first data lines (1) through the plurality of second data lines (2). The first integrated circuit for transmitting signals to the data lines is arranged in the short-side frame, so that there is no more integrated circuit arranged in the long-side frame, thereby reducing the border-width of the long-side frame and increasing the visual effect for the viewer.
    Type: Application
    Filed: August 26, 2016
    Publication date: September 21, 2017
    Inventors: Feng LI, Baoqiang WANG, Sangjin PARK
  • Publication number: 20170270859
    Abstract: The embodiments of the present disclosure provide a pixel circuit and a driving method thereof, a display panel and a display device, which relate to the field of display technology, and can prevent the drift of the threshold voltage of a driving transistor from affecting the driving current of an active light emitting device. The pixel circuit comprises: a preset unit, a compensation unit, a data writing unit, a driving unit, an energy storage unit, and a light emitting unit. The embodiments of the present disclosure can be used to manufacture display devices.
    Type: Application
    Filed: March 3, 2016
    Publication date: September 21, 2017
    Applicants: Boe Technology Group Co., Ltd., Beijing Boe Display Technology Co., Ltd.
    Inventors: Feng LI, Baoqiang WANG
  • Publication number: 20170235405
    Abstract: An array substrate is provided. The array substrate includes a substrate, a pixel switch array, and a plurality of gate scanning lines and a plurality of data lines formed on the substrate, and having data signal input terminals and touch transmitting signal input terminals, the array substrate further comprising a display/touch conversion switch array and a conversion control signal line formed on the substrate, wherein the display/touch conversion switch array is coupled to at least a part of the data lines and to the conversion control signal line, and is adapted to, under control of the conversion control signal line, couple the at least a part of the data lines to the data signal input terminals in a display stage, and couple the at least a part of the data lines to the touch transmitting signal input terminals in a touch stage as touch transmitting electrodes.
    Type: Application
    Filed: December 29, 2015
    Publication date: August 17, 2017
    Inventors: Baoqiang WANG, Xibin SHAO
  • Patent number: 9524988
    Abstract: An array substrate, a manufacturing method thereof, a liquid crystal panel and a liquid crystal display.
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: December 20, 2016
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Sha Liu, Baoqiang Wang
  • Patent number: 9378698
    Abstract: A pixel driving circuit and method, an array substrate and a LCD apparatus, solve the problem of a deterioration of an image quality due to an insufficient charging to a pixel electrode when a refreshing frequency of the LCD is relatively high. The pixel driving circuit comprises n rows of scanning lines, where n is an integer and n?3, and the pixel driving circuit further comprises a pre-charging unit connected to each row of scanning line, for activating the (i+2)th row of scanning line at the same time when the ith row of scanning line is activated, where i is an integer and 1?i?n?2. The array substrate comprises a number of pixel units distributed in a matrix, and further comprises the pixel driving circuit as described above. The LCD apparatus comprises the array substrate as described above.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: June 28, 2016
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Baoqiang Wang
  • Publication number: 20150200206
    Abstract: An array substrate, a manufacturing method thereof, a liquid crystal panel and a liquid crystal display.
    Type: Application
    Filed: November 9, 2012
    Publication date: July 16, 2015
    Inventors: Sha Liu, Baoqiang Wang