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: 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: 20170193882
    Abstract: A display device and a method for displaying an image thereof are disclosed. The display device includes a display panel, a gray scale voltage output circuit, a common voltage output circuit and a control circuit. The display panel, according to a first gray scale voltage signal and a first common voltage signal, display an image; the control circuit is used for controlling the gray scale voltage output circuit and the common voltage output circuit to output a second gray scale voltage signal and a second common voltage to the display panel when at a predetermined time to display another image. The present invention can cause the blink rate to be maintained over time at a relatively stable range.
    Type: Application
    Filed: October 9, 2015
    Publication date: July 6, 2017
    Applicants: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yucheng Lu, Xiang Yang, Xiaoping Tan
  • Publication number: 20170186396
    Abstract: A voltage regulation circuit is provided, including a reverse processing module for processing a first initial voltage of a common voltage generating module so as to obtain a reverse voltage of AC voltage; and an integration module for regulating the first initial voltage according to the reverse voltage of the AC voltage so as to make a liquid crystal drive voltage equal to a preset value. The liquid crystal drive voltage is a difference value of between a second initial voltage and the first initial voltage which is regulated.
    Type: Application
    Filed: September 8, 2015
    Publication date: June 29, 2017
    Inventors: Man LI, Xiaoping TAN, 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
  • Patent number: 9672777
    Abstract: A liquid crystal display (LCD) panel and a driving method thereof are provided. The LCD panel includes display pixels each including RGBW display sub-pixels. The method includes: receiving an image data for representing a to-be-displayed image including image pixels; calculating RGBW image sub-pixel data corresponding to the image pixels according to the image data; using a first predetermined number of image pixels as a repeat unit and generating RGBW display sub-pixel data corresponding to a second predetermined number of display pixels by using each repeat unit in a pixel sharing manner, the first predetermined number being greater than the second predetermined number; and using the RGBW display sub-pixel data to drive RGBW display sub-pixels of corresponding display pixels. Accordingly, the edge blur phenomenon can be effectively improved by the image pixel sharing.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: June 6, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Feilin Ji, Wei Chen, Xiaoping Tan
  • Publication number: 20170153757
    Abstract: The present invention proposes a touch panel display device and an array substrate. A touch panel display device includes a touch detecting circuit, touch detecting electrodes, and transmission paths. One terminal of each of the transmission paths is connected to one of the touch detecting electrodes, and the other terminal of each of the transmission paths is connected to the touch detecting circuit, for transmitting a touch signal of the touch detecting electrode to the touch detecting circuit. A difference of variation for each touch signal of the touch detecting electrodes is smaller than a first predetermined value after being transmitted through each of the transmission paths. The first predetermined value is a threshold by which false identification occurs among the touch signals from the touch detecting electrodes. The present invention improves sensitivity of touch.
    Type: Application
    Filed: September 9, 2015
    Publication date: June 1, 2017
    Inventors: Zhenzhou XING, Xiaoping TAN, Qingcheng ZUO
  • Patent number: 9659537
    Abstract: The disclosure is related to a liquid crystal display device, including a liquid crystal display panel and a gamma generator including a first storage unit storing a group of positive or negative gamma voltage values and a second storage unit storing a group of negative or positive gamma voltage values. The gamma generator periodically obtains the group of the positive or negative gamma voltage values, or the group of the positive or negative gamma voltage values according to a control of a polarity inversion signal. The liquid crystal display panel displays an image according to the group of the positive and/or the group of the negative gamma voltage values. The difference between the disclosure and the current technique is that the cost is decreased effectively; meanwhile, the driving structure is simplified, a wiring area is decreased and it is favorable for a narrow frame design.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: May 23, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Jiehui Qin, Xiaoping Tan, Wei Chen
  • Patent number: 9613575
    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: Grant
    Filed: March 19, 2014
    Date of Patent: April 4, 2017
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Wei Chen, Xiaoping Tan, Jianjun Xie
  • Patent number: 9563313
    Abstract: A display panel with touch function and a fault detection method are disclosed. The display panel includes a display component and a touch component sharing common electrodes. The common electrodes are divided into a plurality of areas arranged in a matrix. The common electrode within each area connects to a touch chip via detection circuits. The display panel further comprises at least two switch control circuits for controlling the detection circuits corresponding to a plurality of areas in a predetermined manner such that the common electrode within each area and the common electrode within an adjacent area are controlled by different switch control circuits. When the display component is in a display state, at least two switch control circuits are configured to set up a common voltage for the common electrode in the plurality of areas. The display states of the display component in the plurality of areas are detected to determine a malfunction of the detection circuit.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: February 7, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yujie Bai, Xiaoping Tan, Chun-hung Huang
  • Patent number: 9564094
    Abstract: A method and a display device for uniform image display are provided. The method is used for a full in-cell display device and includes steps of: a display device inputting a first image signal, compensating the first image signal according to image compensation data to obtain a third image signal and displaying the third image signal. The display device includes a color filter substrate, an array substrate and a liquid crystal layer disposed therebetween. A side of the array substrate facing toward the liquid crystal layer is disposed touch electrodes. The touch electrodes are combined with common electrodes of the array substrate and arranged on the array substrate in a matrix. The compensation data are common electrode voltage offsets determined according to differences between grayscale information of the first image signal and an original second image signal. Accordingly, the invention can effectively improve the displayed image uniformity.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: February 7, 2017
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Man Li, Feilin Ji, Xiaoping Tan
  • Publication number: 20160357333
    Abstract: A detecting method and a manufacturing method of an embedded type touch panel are provided. The detecting method includes steps of: supplying first touch electrodes and second touch electrodes alternately arranged at least on a first direction with different voltages via corresponding touch-control wires to make display areas where the first touch electrodes are located and display areas where the second touch electrodes are located have different luminances, and at least determining neighboring first touch electrode and second touch electrode on the first direction whether are short-circuited or not according to the luminances of the display areas where the first touch electrodes are located and the luminances of the display areas where the second touch electrodes are located. By the above solution, the invention can simply and effectively realize a detection of touch panel.
    Type: Application
    Filed: December 30, 2014
    Publication date: December 8, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co. Ltd.
    Inventors: Chun-hung HUANG, Xiaoping TAN, Yujie BAI
  • Publication number: 20160349917
    Abstract: A display panel with touch function and a fault detection method are disclosed. The display panel includes a display component and a touch component sharing common electrodes. The common electrodes are divided into a plurality of areas arranged in a matrix. The common electrode within each area connects to a touch chip via detection circuits. The display panel further comprises at least two switch control circuits for controlling the detection circuits corresponding to a plurality of areas in a predetermined manner such that the common electrode within each area and the common electrode within an adjacent area are controlled by different switch control circuits. When the display component is in a display state, at least two switch control circuits are configured to set up a common voltage for the common electrode in the plurality of areas. The display states of the display component in the plurality of areas are detected to determine a malfunction of the detection circuit.
    Type: Application
    Filed: January 5, 2015
    Publication date: December 1, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yujie BAI, Xiaoping TAN, Chun-hung HUANG
  • Publication number: 20160343328
    Abstract: The present application provides a method and display apparatus for improving uniformity of displayed image, The method comprises inputting a first image signal to a display apparatus; compensating the first image signal in accordance with an image compensation data to obtain a third image signal, wherein the image compensation data is an amount of shift in a voltage of a common electrode of an array substrate of the display apparatus determined in accordance with a difference value between a grey level information of the first image signal and the grey level information of an original second image signal corresponding to the first image signal; and displaying the third image signal. Through the method above, the present invention effectively improves the uniformity of the displayed image without decreasing the displayed brightness of the image.
    Type: Application
    Filed: January 5, 2015
    Publication date: November 24, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Man LI, Feilin JI, Xiaoping TAN
  • Publication number: 20160343326
    Abstract: A method and a display device for uniform image display are provided. The method is used for a full in-cell display device and includes steps of: a display device inputting a first image signal, compensating the first image signal according to image compensation data to obtain a third image signal and displaying the third image signal. The display device includes a color filter substrate, an array substrate and a liquid crystal layer disposed therebetween. A side of the array substrate facing toward the liquid crystal layer is disposed touch electrodes. The touch electrodes are combined with common electrodes of the array substrate and arranged on the array substrate in a matrix. The compensation data are common electrode voltage offsets determined according to differences between grayscale information of the first image signal and an original second image signal. Accordingly, the invention can effectively improve the displayed image uniformity.
    Type: Application
    Filed: January 6, 2015
    Publication date: November 24, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Man LI, Feilin JI, Xiaoping TAN
  • Publication number: 20160345432
    Abstract: The disclosure is related to a flexible printed circuit board. The flexible printed circuit board comprises a connecting area and a plurality of gold fingers disposed inside the connecting area, wherein the distances of the gold fingers are different. The disclosure is further related to a liquid crystal display. By the above manner, the disclosure is able to change the distances between the adjacent gold fingers to increase the number of the gold fingers without changing the size of the flexible printed circuit board so as to solve the impedance matching problem of the gold fingers of the flexible printed circuit board, and in the meanwhile to increase the assembling yield rate of the flexible printed circuit board.
    Type: Application
    Filed: January 12, 2015
    Publication date: November 24, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Hongrui CAO, Xiaoping TAN
  • Publication number: 20160343316
    Abstract: The disclosure is related to a liquid crystal display device, including a liquid crystal display panel and a gamma generator including a first storage unit storing a group of positive or negative gamma voltage values and a second storage unit storing a group of negative or positive gamma voltage values. The gamma generator periodically obtains the group of the positive or negative gamma voltage values, or the group of the positive or negative gamma voltage values according to a control of a polarity inversion signal. The liquid crystal display panel displays an image according to the group of the positive and/or the group of the negative gamma voltage values. The difference between the disclosure and the current technique is that the cost is decreased effectively; meanwhile, the driving structure is simplified, a wiring area is decreased and it is favorable for a narrow frame design.
    Type: Application
    Filed: January 16, 2015
    Publication date: November 24, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Jiehui QIN, Xiaoping TAN, Wei CHEN
  • Publication number: 20160343313
    Abstract: A liquid crystal display (LCD) panel and a driving method thereof are provided. The LCD panel includes display pixels each including RGBW display sub-pixels. The method includes: receiving an image data for representing a to-be-displayed image including image pixels; calculating RGBW image sub-pixel data corresponding to the image pixels according to the image data; using a first predetermined number of image pixels as a repeat unit and generating RGBW display sub-pixel data corresponding to a second predetermined number of display pixels by using each repeat unit in a pixel sharing manner, the first predetermined number being greater than the second predetermined number; and using the RGBW display sub-pixel data to drive RGBW display sub-pixels of corresponding display pixels. Accordingly, the edge blur phenomenon can be effectively improved by the image pixel sharing.
    Type: Application
    Filed: January 6, 2015
    Publication date: November 24, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Feilin JI, Wei CHEN, Xiaoping TAN
  • Publication number: 20160342260
    Abstract: A single-layer capacitive touch screen is disclosed. The touch screen includes multiple first electrodes arranged along a first direction and multiple second electrodes disposed in a same structure layer with the multiple first electrodes. Wherein, multiple second electrodes are disposed along a second direction which is perpendicular to the first direction, and the multiple second electrodes are respectively corresponding to the first electrodes. Besides, each of the first electrodes includes a main electrode and multiple branch electrodes connected with the main electrode; each of the second electrodes is provided with a concave slot corresponding to a shape of the branch electrode; each branch electrode is embedded into the concave slot of the second electrode; each branch electrode and a corresponding second electrode form a mutual capacitance unit. A touch display device including the single-layer capacitive touch screen is also disclosed.
    Type: Application
    Filed: January 13, 2015
    Publication date: November 24, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Jiehui QIN, Jinjie ZHOU, Xiaoping TAN
  • Publication number: 20160335977
    Abstract: The present invention discloses a liquid crystal panel. The panel includes a display area that includes an array of pixel units formed thereon, a source controller, a gamma voltage control section, a gate controller, a chamfer voltage control section, and an image inspection section. The image inspection section classifies images into n classes according to ranking of grey level. The chamfer voltage control section is operated in response to the class of an image to control one of the n chamfer voltage circuits to supply the chamfer voltage to the gate controller and the gamma voltage control section is operated in responses to the class of the image to control one of the n gamma voltage circuits to supply the gamma voltage to the source controller, where n is an integer greater than 1. The present invention also discloses a driving method for the liquid crystal panel and a liquid crystal display including the liquid crystal panel.
    Type: Application
    Filed: November 18, 2014
    Publication date: November 17, 2016
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Wenqin ZHAO, Yu-yeh CHEN, Xiaoping TAN
  • Patent number: 9483985
    Abstract: A driving method of the FSC-LCD is disclosed.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: November 1, 2016
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yong Fan, Chih-tsung Kang, Sheng-Jer Chang Chien, Xiaoping Tan, Jianjun Xie