Patents by Inventor Chunpeng GUO

Chunpeng GUO 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: 9978334
    Abstract: A present disclosure provides a driving method for a liquid crystal display panel having steps of: the control chip simultaneously outputs a first selecting signal on a first voltage level, a second selecting signal on the first voltage level and a third selecting signal on the first voltage level to control the first transistors, the second transistors and the third transistors connecting between the buffers and each pixel column to be turned on; the buffers output a pre-charge signal to charge the sub-pixel units in each pixel column to the pre-charge voltage. Further, the present disclosure also provides a liquid crystal display device. The driving method for a liquid crystal display panel is effectively reduces the power consumption of the liquid crystal display device.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: May 22, 2018
    Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd, Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventors: Chunpeng Guo, Jiehui Qin, Xiaoping Tan
  • Patent number: 9946381
    Abstract: A driving method for a liquid crystal panel is disclosed. Wherein, the driving method includes: (A) at a moment of switching from a normal display time stage to a touch scanning time stage in a current frame, applying a first over driving voltage to a common electrode of each pixel of a liquid crystal panel; and (B) at a moment of switching from the touch scanning time stage in the current frame to a normal display time stage of a next frame, applying a second over driving voltage to the common electrode of each pixel. According to the method described above a time that the common electrode reaches a present level voltage is shorten in order to effectively improve the poor display and touch problem caused by signal abnormality at moments of switching between a normal display and a touch scanning in an in-cell touch panel.
    Type: Grant
    Filed: February 25, 2016
    Date of Patent: April 17, 2018
    Assignee: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Chunpeng Guo, Chun-hung Huang, Ying-chi Wang
  • Publication number: 20180039359
    Abstract: A driving method for a liquid crystal panel is disclosed. Wherein, the driving method includes: (A) at a moment of switching from a normal display time stage to a touch scanning time stage in a current frame, applying a first over driving voltage to a common electrode of each pixel of a liquid crystal panel; and (B) at a moment of switching from the touch scanning time stage in the current frame to a normal display time stage of a next frame, applying a second over driving voltage to the common electrode of each pixel. According to the method described above a time that the common electrode reaches a present level voltage is shorten in order to effectively improve the poor display and touch problem caused by signal abnormality at moments of switching between a normal display and a touch scanning in an in-cell touch panel.
    Type: Application
    Filed: February 25, 2016
    Publication date: February 8, 2018
    Applicant: Wuhan China Star Optoelectronics Technology Co. Ltd.
    Inventors: Chunpeng GUO, Chun-hung Huang, Ying-chi WANG
  • Patent number: 9799258
    Abstract: The present invention discloses a driving circuit according to RGBW and a flat panel display. In the driving circuit: control terminals of a first and second voltage-level switches and a first non-voltage-level switch are connected to a first driving line, input terminals are connected to a driving signal source, output terminals are respectively connected to input terminals of a third non-voltage-level switch, a third and fourth voltage-level switches, control terminals of the third non-voltage-level switch and the third and fourth voltage-level switches are connected to a second driving line, output terminals of the third non-voltage-level switch and the third and fourth voltage-level switches are connected to a first to third sub-pixels. The circuit can implement that a size occupied by the driving lines is decreased and the aperture ratio of the display is increased.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: October 24, 2017
    Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd, Wuhan China Star Optoelectronics Technology Co., Ltd
    Inventors: Gonghua Zou, Chang Cao, Chunpeng Guo
  • Publication number: 20170262119
    Abstract: Provided are a touch control device drive method, a touch control device drive circuit and a touch control device. The method comprises: providing a plurality of touch control drive signals for detecting a position where a touch point of the touch control device is; providing a plurality of periodic scan signals, and in one period, the scan signal comprises a first high voltage level signal, of which a duration is a first preset time, and the first high voltage level signals of the two adjacent scan signals are spaced with a first time interval; providing a plurality of switch signals, wherein each switch signal comprises a first, a second and a third switch sub signals, and the first, the second and the third switch sub signals are respectively employed to control on or off of a first, a second and a third thin film transistors in one pixel.
    Type: Application
    Filed: September 25, 2016
    Publication date: September 14, 2017
    Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Chunpeng GUO, Yingqi WANG, Chun-hung HUANG
  • Publication number: 20170236465
    Abstract: The present invention discloses a driving circuit according to RGBW and a flat panel display. In the driving circuit: control terminals of a first and second voltage-level switches and a first non-voltage-level switch are connected to a first driving line, input terminals are connected to a driving signal source, output terminals are respectively connected to input terminals of a third non-voltage-level switch, a third and fourth voltage-level switches, control terminals of the third non-voltage-level switch and the third and fourth voltage-level switches are connected to a second driving line, output terminals of the third non-voltage-level switch and the third and fourth voltage-level switches are connected to a first to third sub-pixels. The circuit can implement that a size occupied by the driving lines is decreased and the aperture ratio of the display is increased.
    Type: Application
    Filed: September 9, 2015
    Publication date: August 17, 2017
    Applicants: Shenzhen China Star Optoelectronics Technology Co., Ltd., WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Gonghua ZOU, Chang CAO, Chunpeng GUO
  • Publication number: 20170236487
    Abstract: A present disclosure provides a driving method for a liquid crystal display panel having steps of: the control chip simultaneously outputs a first selecting signal on a first voltage level, a second selecting signal on the first voltage level and a third selecting signal on the first voltage level to control the first transistors, the second transistors and the third transistors connecting between the buffers and each pixel column to be turned on; the buffers output a pre-charge signal to charge the sub-pixel units in each pixel column to the pre-charge voltage. Further, the present disclosure also provides a liquid crystal display device. The driving method for a liquid crystal display panel is effectively reduces the power consumption of the liquid crystal display device.
    Type: Application
    Filed: September 9, 2015
    Publication date: August 17, 2017
    Applicants: Shenzhen China Star Optoelectrtonics Technology Co., Ltd., WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Chunpeng GUO, Jiehui QIN, Xiaoping TAN
  • Publication number: 20170199414
    Abstract: The present invention provides a driver chip structure, and the driver chip structure comprises a substrate and a plurality of connection bumps which are located on the substrate and equal in size, and the substrate comprises a surface, and the plurality of connection bumps are spaced and aligned on the surface in array, and sectional appearances of the connection bumps parallel with the surface are trapezoids or triangles. The present invention also discloses a liquid crystal display device.
    Type: Application
    Filed: September 24, 2015
    Publication date: July 13, 2017
    Applicants: Shenzhen China Star Optoelectronics Technology Co. Ltd., Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Chunpeng GUO, Jiehui QIN, Xiang YANG
  • Patent number: 9671902
    Abstract: The present invention discloses a liquid crystal display having touch function and a touch detection method thereof. The liquid crystal display comprises a display module and a touch module, and the display module and the touch module share a common electrode. The display module sequentially executes a plurality of operations of gate drive and gray scale drive in each frame. The touch module executes operations of touch detection as the display module executes a present operation of gate drive and gray scale drive and a voltage of the common electrode is in stable. With the aforementioned arrangement, the present invention is capable of reducing the interference of the display signals and the touch signals to improve the display quality and touch effect.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: June 6, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yucheng Lu, Chunpeng Guo, Zhenzhou Xing
  • Patent number: 9672776
    Abstract: A driving circuit for liquid crystal panels and the liquid crystal devices are disclosed. The driving circuit includes a source driver, and at least one selection circuit. A number of the selection circuit is the same with the number of rows of the sub-pixel cells. Each of buffer data output ends of the source driver respectively connect to an input end of one selection circuit. A first output end of each of the selection circuit connects to the sub-pixel cells in one row. A second output end of each of the selection circuit connects to the sub-pixel cells in another row. The sub-pixel cells connecting with the first input end are within the same pixel row combination having the same color. In this way, the power consumption of the source driver of the driving circuit is reduced.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: June 6, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Chunpeng Guo, Jiehui Qin, Xiaoping Tan
  • Publication number: 20170140720
    Abstract: A source drive including a bidirectional shift register and a plurality of data channels, each of which includes a data register and a DAC, and connected to the bidirectional shift register and a TFT, is provided, and so is an LCD device. The DAC is shared by two adjacent data channels, for reversing a polarity of a reference voltage according to a line reverse signal which is received from a timing controller, so as to determine the polarities of output voltages of the two adjacent data channels. The source drive has a small size and the cost thereof is low.
    Type: Application
    Filed: May 13, 2015
    Publication date: May 18, 2017
    Inventors: Chunpeng GUO, Jiehui QIN, Zhenzhou XING
  • Publication number: 20160342277
    Abstract: The present invention discloses a liquid crystal display having touch function and a touch detection method thereof. The liquid crystal display comprises a display module and a touch module, and the display module and the touch module share a common electrode. The display module sequentially executes a plurality of operations of gate drive and gray scale drive in each frame. The touch module executes operations of touch detection as the display module executes a present operation of gate drive and gray scale drive and a voltage of the common electrode is in stable. With the aforementioned arrangement, the present invention is capable of reducing the interference of the display signals and the touch signals to improve the display quality and touch effect.
    Type: Application
    Filed: December 17, 2014
    Publication date: November 24, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.
    Inventors: Yucheng LU, Chunpeng GUO, Zhenzhou XING
  • Publication number: 20160189640
    Abstract: A driving circuit for liquid crystal panels and the liquid crystal devices are disclosed. The driving circuit includes a source driver, and at least one selection circuit. A number of the selection circuit is the same with the number of rows of the sub-pixel cells. Each of buffer data output ends of the source driver respectively connect to an input end of one selection circuit. A first output end of each of the selection circuit connects to the sub-pixel cells in one row. A second output end of each of the selection circuit connects to the sub-pixel cells in another row. The sub-pixel cells connecting with the first input end are within the same pixel row combination having the same color. In this way, the power consumption of the source driver of the driving circuit is reduced.
    Type: Application
    Filed: December 30, 2014
    Publication date: June 30, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.
    Inventors: Chunpeng GUO, Jiehui QIN, Xiaoping TAN