Patents by Inventor Xiaoping Tan

Xiaoping Tan 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).

  • Publication number: 20160246428
    Abstract: A driving circuit for touch screen, a touch screen, and an electronic terminal are disclosure. The driving circuit for touch screen comprises: a control circuit, used for generating and outputting a scanning signal and a data selection signal according to a position of an electrode to be driven; and a data selection circuit, an input end thereof being connected with said control circuit, output ends thereof each being connected with a corresponding scanning end of the touch screen, wherein the data selection circuit is configured to turn on or turn off a connection between an input end thereof and an output end corresponding to the electrode to be driven according to said data selection signal. In the driving circuit, the influence on the following detection of the touch points generated by the attenuation of the scanning signal during transmission process can be reduced effectively, so that the reliability and accuracy of the detection result can be ensured.
    Type: Application
    Filed: January 20, 2015
    Publication date: August 25, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yucheng Lu, Xiaoping Tan, Xiang Yang
  • Publication number: 20160247470
    Abstract: A method for driving a display panel comprises: driving scan lines of the display panel row by row. In a time period of displaying one frame, a driving time of at least one row of the scan lines is greater than a driving time of a first row of the scan lines, and a sum of driving times of all scan lines is less than or equal to display time of a single frame picture.
    Type: Application
    Filed: December 11, 2013
    Publication date: August 25, 2016
    Inventor: Xiaoping TAN
  • 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
  • Patent number: 9378705
    Abstract: A conversion system for converting RGB data to RGBW data includes a four-color determination unit configured to determine outputted RGBW values according to inputted RGB values and a color saturation value calculated from the inputted RGB values; and an output unit configured to output the outputted RGBW values. A conversion method for converting RGB data to RGBW data is also disclosed. The conversion system and method for converting RGB data to RGBW data of the present invention can appropriately decrease the outputted W value and appropriately increase the outputted RGB values at the same time. Comparing to the conversion system of the display device of the conventional technology based on four-color subpixels, the brightness of the display device of the present invention can be maintained in the same degree, and increase the color saturation of the display device of the present invention.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: June 28, 2016
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Taisheng An, Jiehui Qin, Xiaoping Tan
  • Publication number: 20160140932
    Abstract: A conversion system for converting RGB data to RGBW data includes a four-color determination unit configured to determine outputted RGBW values according to inputted RGB values and a color saturation value calculated from the inputted RGB values; and an output unit configured to output the outputted RGBW values. A conversion method for converting RGB data to RGBW data is also disclosed. The conversion system and method for converting RGB data to RGBW data of the present invention can appropriately decrease the outputted W value and appropriately increase the outputted RGB values at the same time. Comparing to the conversion system of the display device of the conventional technology based on four-color subpixels, the brightness of the display device of the present invention can be maintained in the same degree, and increase the color saturation of the display device of the present invention.
    Type: Application
    Filed: November 24, 2014
    Publication date: May 19, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Taisheng An, Jiehui Qin, Xiaoping Tan
  • Publication number: 20160086530
    Abstract: An image data processing method and device are disclosed. The method comprising: receiving a first display data combination, the first display data combination comprises red, green, and blue sub-pixel display data; transforming the first display data combination into a second display data combination, the second display data combination comprises red, green, blue, and white sub-pixel display data; transforming the second display data combination into a third display data combination, the third display data combination comprises any three of the red, green, blue, and white sub-pixel display data. The disclosed method can raise image contrast.
    Type: Application
    Filed: October 13, 2014
    Publication date: March 24, 2016
    Inventors: Wei Chen, Xiaoping Tan, Jianjun Xie
  • Publication number: 20160063932
    Abstract: An overdrive method, a circuit, and a display device are disclosed, which belong to the field of display technologies. The technical problem of inconsistent brightness of left-eye pictures and right-eye pictures with respect to each other occurring in the prior art can be eliminated. The overdrive method comprises: acquiring grayscale of a present frame; judging whether the present frame is a left-eye picture or a right-eye picture; and looking up an overdrive grayscale value in a first overdrive table according to the grayscale of the present frame and that of a previous frame, if the present frame is a left-eye picture; or looking up an overdrive grayscale value in a second overdrive table according to the grayscale of the present frame and that of a previous frame, if the present frame is a right-eye picture.
    Type: Application
    Filed: September 16, 2014
    Publication date: March 3, 2016
    Inventors: Jinjie Zhou, Xiaoping Tan, Yu Yeh Chen
  • Patent number: 9236021
    Abstract: The present invention provides a driving method for a liquid crystal display panel, comprising a timing-driven process, wherein the timing-driven process includes the steps of: generating an initial pulse signal, which has a first rising edge rising from a low voltage to a high voltage and a first falling edge falling from the high voltage to the low voltage; and generating a timing pulse signal, which has a second rising edge rising from a low voltage to an intermediate voltage, a third rising edge rising from the intermediate voltage to a high voltage, a second falling edge falling from the high voltage to the intermediate voltage, and a third falling edge falling from the intermediate voltage to the low voltage. At the same time, the present invention further provides a driving circuit for a liquid crystal display panel.
    Type: Grant
    Filed: January 3, 2014
    Date of Patent: January 12, 2016
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Dekang Zeng, Jiehui Qin, Xiaoping Tan
  • Publication number: 20150379917
    Abstract: A method for compensating gray scale voltage and a display device is provided. The method and the display belong to the technical field of display and can solve the technical problem of cross-color in the prior art. The method for compensating gray scale voltage comprises: step A, acquiring a target gray scale voltage to be outputted by a target sub pixel, step B: acquiring a compensating voltage of the target sub pixel based on preset conditions, and step C: acquiring an actual gray scale voltage by adding the target gray scale voltage and the compensating voltage together, and outputting the actual gray scale voltage to the target sub pixel. The present disclosure is applicable to display devices such as liquid crystal television, liquid crystal display device, cell phone, and tablet PC, etc.
    Type: Application
    Filed: August 26, 2014
    Publication date: December 31, 2015
    Inventors: Lei Sun, Xiaoping Tan, Jiehui Qin
  • Patent number: 9202423
    Abstract: A method for driving a liquid crystal display (LCD) panel includes: driving the LCD panel according to a location of a pixel of the LCD panel and a corresponding compensation value of the pixel of the LCD panel. The compensation value of the pixel corresponds to an offset value of a reference brightness corresponding to brightness of a light spot of the LCD panel before compensation of the light spot of the LCD panel.
    Type: Grant
    Filed: September 10, 2013
    Date of Patent: December 1, 2015
    Inventors: Lei Sun, Yu yeh Chen, Xiaoping Tan
  • Patent number: 9190000
    Abstract: A driving method for liquid crystal display (LCD) panel includes the following steps: A. sending feedback signals to a monitoring module before timing control modules (T-CONs) sends driving signals to drive display of the LCD panel; B. generating control signals when the monitoring module receives the feedback signal of each of the T-CONs, and then simultaneously sending the control signals to each of the T-CONs; C. sending a driving signal to drive display of the LCD panel when each of the T-CONs receives the control signal.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: November 17, 2015
    Inventors: Xiaoping Tan, Yong Zhang, Jiehui Qin
  • Patent number: 9167687
    Abstract: The invention discloses a flexible printed circuit board, a chip on film and a manufacturing method. The flexible printed circuit board used for hot pressing includes an insulating substrate with long edges; the insulating substrate is provided with a plurality of pins used for hot pressing; the pins of the flexible printed circuit board used for hot pressing are along the long edge of the insulating substrate; the spacing between two adjacent pins is gradually reduced from both ends to the middle. In the invention, after hot lamination, the spacing between the pins can almost keep constant and is equivalent to the expansion result of the LCD panel; thus, better electrical connection of the pins and the leads of the LCD panel can be ensured, and electrical contact is more reliable.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: October 20, 2015
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xiaoping Tan, Yu Wu
  • Patent number: 9164343
    Abstract: The present invention provides a method for saving by-pass capacitor by using circuit board, which includes (1) providing a liquid crystal panel including two glass substrates and liquid crystal material containing liquid crystal molecules, the glass substrates forming a liquid crystal panel driving circuit, which includes a gate driver, a source driver, gate lines, and data lines; (2) providing a power supply module and a power connection circuit board including a base material on which a power route and a grounding route are provided to respectively form exposed copper zones at a location where a by-pass capacitor is desired to form so as to form an equivalent by-pass capacitor; (3) connecting the gate driver and the source driver via the power connection circuit board to the power supply module; and (4) activating the power supply module to control rotation of the liquid crystal molecules of each of the pixel units.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: October 20, 2015
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Jiehui Qin, Xiaoping Tan, Poshen Lin
  • Publication number: 20150279312
    Abstract: A liquid crystal display (LCD) panel driving circuit includes at least two signal input interfaces, one or more timing control circuits, a memory module, and a data processing module. When the memory module receives image data of a same display image from the signal input interfaces, the data processing module reads the image data from the memory module, the data processing module sends the image data to the one or more timing control circuits, and the one or more timing control circuits drive the LCD panel using the image data.
    Type: Application
    Filed: November 28, 2012
    Publication date: October 1, 2015
    Inventors: Xiaoping Tan, Jiehui Qin, Yong Zhang
  • Publication number: 20150264342
    Abstract: A method for driving a liquid crystal display (LCD) device includes: A1: one image frame is extracted from a video; A2: the one image frame is divided into one left-eye image and one right-eye image according to different image arrangements, comparing a color data of the left-eye image with a color data of the right-eye image, and calculating a similarity degree between the left-eye image and the right-eye image of the different image arrangements according to the comparison; and A3: the image arrangement having a maximum similarity degree between the left-eye image and the right-eye image is chosen as a film resource format of a three-dimensional (3D) image of the video to drive the LCD device, and the image arrangement having the maximum similarity degree between the left-eye image and the right-eye image is the image arrangement of the one image frame.
    Type: Application
    Filed: March 19, 2014
    Publication date: September 17, 2015
    Inventors: Wei Chen, Xiaoping Tan, Jianjun Xie
  • Patent number: 9135882
    Abstract: The present disclosure provides a data driver circuit, a liquid crystal display (LCD) device, and a driving method. The data driver circuit for an LCD panel includes a source driver module, a pixel electrode, a common electrode opposite to the pixel electrode, and a gamma calibration module coupled to the source driver module. The source driver module is coupled to the pixel electrode. The data driver circuit further includes a compensation module. The compensation module detects and obtains a changed voltage of the common electrode voltage to generate a compensation voltage, and combines the compensation voltage and the gamma voltage of the gamma calibration module, then sends the combined voltage to the source driver module. The compensation voltage output by the compensation module and the changed voltage of the common electrode voltage can be mutually counteracted.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: September 15, 2015
    Inventors: Yong Zhang, Xiaoping Tan, Jiehui Qin
  • Publication number: 20150194113
    Abstract: The present invention provides a driving method for a liquid crystal display panel, comprising a timing-driven process, wherein the timing-driven process includes the steps of: generating an initial pulse signal, which has a first rising edge rising from a low voltage to a high voltage and a first falling edge falling from the high voltage to the low voltage; and generating a timing pulse signal, which has a second rising edge rising from a low voltage to an intermediate voltage, a third rising edge rising from the intermediate voltage to a high voltage, a second falling edge falling from the high voltage to the intermediate voltage, and a third falling edge falling from the intermediate voltage to the low voltage. At the same time, the present invention further provides a driving circuit for a liquid crystal display panel.
    Type: Application
    Filed: January 3, 2014
    Publication date: July 9, 2015
    Inventors: Dekang Zeng, Jiehui Qin, Xiaoping Tan
  • Publication number: 20150187300
    Abstract: A driving circuit of a liquid crystal display (LCD) panel includes a source board directly and electrically connected with an array substrate of the LCD panel. The driving circuit further includes a sequential control unit (TCON), a voltage conversion unit, and a programmable-gamma unit (P-G), where the TCON, the voltage conversion unit, and the P-G are integrated on the source board.
    Type: Application
    Filed: January 10, 2014
    Publication date: July 2, 2015
    Inventors: Lei Sun, Yin-hung Chen, Xiaoping Tan, Yu-yeh Chen
  • Publication number: 20150169003
    Abstract: A display device includes a first printed circuit board and a second printed circuit board. The first printed circuit board includes a storage unit for storing parameters which are used for driving a display panel. The second printed circuit board includes a programmable gamma IC and a timing controller for receiving the parameters stored in the storage unit. In production of the display device, after a display panel is bonded to the first printed circuit board, the storage unit with the pre-written parameters is deployed on the first printed circuit board. Next, the display panel and the first printed circuit board are connected to the second printed circuit board. Typically, the connection is accomplished by manual operation. Therefore, the problem that the storage unit and the display panel of the display device are incorrectly assembled together can be avoided.
    Type: Application
    Filed: December 17, 2013
    Publication date: June 18, 2015
    Inventors: Xiaoping Tan, Yu-Yeh Chen, Xia Tian
  • Publication number: 20150145903
    Abstract: The present invention relates to a method and apparatus for generating gray scale adjustment voltages and a panel driver circuit using the same. With the method provided in the invention, said apparatus for generating gray scale adjustment voltages generates a plurality of gray-scale reference voltage groups at a given time interval T0, and provides them for, such as a data driver circuit for adjusting gray scale of pictures by means of the reference gray-scale voltages, wherein values of the gray-scale reference voltages in each gray-scale reference voltage group are different from one another, and the time interval T0 need to be less or equal to a quotient from the displaying time in each frame divided by the product of the number of pixels in the vertical direction of a display screen and the number of gray-scale reference voltage groups.
    Type: Application
    Filed: January 24, 2014
    Publication date: May 28, 2015
    Inventors: Xiaoping Tan, Yong Zhang