Patents by Inventor Yu-Yeh Chen

Yu-Yeh Chen 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: 11620930
    Abstract: A display device is provided and includes: a display panel, disposed with a gate driving circuit and a source driving circuit; a X-board, disposed with a driving circuit board assembly including a display control circuit and a first connector, the display control circuit is connected with the gate driving circuit, the source driving circuit and the first connector; a system board, disposed with a second connector and a system-on-chip (SOC) connected to the second connector, the SOC includes an optical performance adjustment intellectual property core; and a connecting part, connected between the first connector and the second connector. By disposing the driving circuit board assembly on the X-board to make the X-board have some of TCON functions, completely independent of the SOC when debugging and changing Panel Timing, and can be developed independently, panel manufacturers can complete the panel debugging and changing independently without relying on changing the SOC.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: April 4, 2023
    Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Yuan-Liang Wu, Yu-Yeh Chen, Lei Sun, Zihan Liu, Jun Shi
  • Patent number: 11521568
    Abstract: A display panel, a display device and a driving method for a display panel are provided. The display panel includes multiple pixel units and a display control unit. Each of the pixel units includes a first color pixel, a second color pixel and a third color pixel. The first color pixel, the second color pixel and the third color pixel each include a first sub-pixel, a second sub-pixel and a third sub-pixel. The display control unit includes a first controller, a second controller and a third controller. By means of combining three kinds of gramma curves e.g., first through third gamma curves and taking a 4-domain pixel structure as a basis, a display effect based on a 12-domain pixel structure can be realized, so that the color shift problem in side view of the display panel can be significantly improved.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: December 6, 2022
    Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Yeh Chen
  • Publication number: 20220108647
    Abstract: A display device is provided and includes: a display panel, disposed with a gate driving circuit and a source driving circuit; a X-board, disposed with a driving circuit board assembly including a display control circuit and a first connector, the display control circuit is connected with the gate driving circuit, the source driving circuit and the first connector; a system board, disposed with a second connector and a system-on-chip (SOC) connected to the second connector, the SOC includes an optical performance adjustment intellectual property core; and a connecting part, connected between the first connector and the second connector. By disposing the driving circuit board assembly on the X-board to make the X-board have some of TCON functions, completely independent of the SOC when debugging and changing Panel Timing, and can be developed independently, panel manufacturers can complete the panel debugging and changing independently without relying on changing the SOC.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 7, 2022
    Inventors: Yuan-Liang Wu, Yu-Yeh Chen, Lei Sun, Zihan Liu, Jun Shi
  • Publication number: 20220036839
    Abstract: A display panel, a display device and a driving method for a display panel are provided. The display panel includes multiple pixel units and a display control unit. Each of the pixel units includes a first color pixel, a second color pixel and a third color pixel. The first color pixel, the second color pixel and the third color pixel each include a first sub-pixel, a second sub-pixel and a third sub-pixel. The display control unit includes a first controller, a second controller and a third controller. By means of combining three kinds of gramma curves e.g., first through third gamma curves and taking a 4-domain pixel structure as a basis, a display effect based on a 12-domain pixel structure can be realized, so that the color shift problem in side view of the display panel can be significantly improved.
    Type: Application
    Filed: October 15, 2021
    Publication date: February 3, 2022
    Inventor: Yu-Yeh CHEN
  • Patent number: 10559245
    Abstract: A drive method is provided for driving a liquid crystal display and includes receiving an image to be displayed, which includes multiple image pixels; setting different weights for primary color components of each of multiple image pixels of the image; implementing color washout compensation to the image according to the weights set for the primary color components of each of the multiple image pixels by varying brightness levels of the primary color components of each of the image pixels of the image; and driving the liquid crystal display to display the image so compensated.
    Type: Grant
    Filed: November 25, 2017
    Date of Patent: February 11, 2020
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yu-Yeh Chen, Dongsheng Guo, Jiang Zhu, Lei Sun, Li-wei Chu, Jhen-wei He
  • Patent number: 10510282
    Abstract: A drive method is provided for driving a liquid crystal display and includes receiving an image to be displayed, which includes multiple image pixels; setting different weights for primary color components of each of multiple image pixels of the image; implementing color washout compensation to the image according to the weights set for the primary color components of each of the multiple image pixels by varying brightness levels of the primary color components of each of the image pixels of the image; and driving the liquid crystal display to display the image so compensated.
    Type: Grant
    Filed: November 25, 2017
    Date of Patent: December 17, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yu-Yeh Chen, Dongsheng Guo, Jiang Zhu, Lei Sun, Li-wei Chu, Jhen-wei He
  • Patent number: 10482807
    Abstract: The present disclosure relates to an interface device for high resolution liquid crystal device (LCD). The interface device includes a first connector configured to receive low voltage differential signals (LVDS) provided for a left-half active area of the LCD, a second connector configured to receive the LVDS provided for a right-half active area of the LCD, and a third connector configured to receive operational voltage signals and control signals provided for the LCD. The present disclosure also relates to a LCD with the above interface device. With such configuration, the data signals and the control signals are not mixed to enhance the signal quality, and the display performance of the LCD may not be affected.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: November 19, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Zhao Wang, Yu-yeh Chen, Yin-hung Chen, Yu Wu
  • Patent number: 10475365
    Abstract: A drive method is provided for driving a liquid crystal display and includes receiving an image to be displayed, which includes multiple image pixels; setting different weights for primary color components of each of multiple image pixels of the image; implementing color washout compensation to the image according to the weights set for the primary color components of each of the multiple image pixels by varying brightness levels of the primary color components of each of the image pixels of the image; and driving the liquid crystal display to display the image so compensated.
    Type: Grant
    Filed: November 25, 2017
    Date of Patent: November 12, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yu-Yeh Chen, Dongsheng Guo, Jiang Zhu, Lei Sun, Li-wei Chu, Jhen-wei He
  • Patent number: 10460685
    Abstract: Disclosed are a gray scale voltage compensation method of a liquid crystal panel, a circuit for a liquid crystal panel and a liquid crystal panel including the circuit. The invention adjusts the common voltage and/or compensates the pixel voltage to minimize the afterimage of the whole liquid crystal panel under the premise of saving the cost of the liquid crystal panel and greatly improves the panel display performance.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: October 29, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Tao He, Yu-Yeh Chen, Yu Wu, Jhen-wei He
  • Patent number: 10446100
    Abstract: Provided is an array substrate, including a sequence controller and gate drivers, and each of the gate drivers includes a first adjustable resistor and a gate drive unit, and one end of the first adjustable resistor is coupled to a first voltage, and the other end of the first adjustable resistor is coupled to a first input end of the gate drive unit, and the sequence controller is coupled to a control end of the first adjustable resistor to adjust a resistance value of the first adjustable resistor to make voltage difference values among the gate drive units in a preset range. In the gate driver, a first adjustable resistor is added between the first voltage and the gate drive unit. By controlling the resistance value of the first adjustable resistor, the voltages of the adjacent gate drivers are the same to prevent the appearance of the horizontal boundary.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: October 15, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Ping-sheng Kuo, Yu-yeh Chen, Li-wei Chu
  • Patent number: 10394061
    Abstract: The present application discloses a liquid crystal display device driving method and a liquid crystal display device, the driving method including: receiving the image data entered into the timing controller; calculating an area in the display image corresponding to the image data having the coupling phenomenon exceeds a predetermined level; determining whether or not the area in the display image corresponding to the image data having the coupling phenomenon exceeds a predetermined area is greater than or equal to the predetermined area; when the area is greater than or equal to the predetermined area, a two rows inversion manner is adopted, wherein when the method of two rows inversion is adopted to drive the liquid crystal display device, the driving direction of the data signal S(n+2) and the data signal S(n+3) are in contrast at the same time, wherein n is zero or a positive even number.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: August 27, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Ping-sheng Kuo, Li-wei Chu, Yu-yeh Chen, Jian Gao
  • Patent number: 10319326
    Abstract: This disclosure provides a display controller. The controller includes a timing controlling unit for providing a signal, a buffer unit for storing image information and outputting the image information processed with certain algorithm, a power management unit for managing the power of the display controller; and a data driving unit for providing a signal to a data line of a display device and controlling the image which is displayed. The timing controlling unit is electrically connected to the buffer unit. The buffer unit and the power management unit are integrated in a first circuit, and The timing controller and the data driving unit are integrated in a second circuit. The cost of the controller in thin disclosure is reduced. This disclosure also provides a display device with the above-mentioned display controller.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: June 11, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Jhenwei He, Yu-Yeh Chen
  • Publication number: 20180374441
    Abstract: Provided is an array substrate, including a sequence controller and gate drivers, and each of the gate drivers includes a first adjustable resistor and a gate drive unit, and one end of the first adjustable resistor is coupled to a first voltage, and the other end of the first adjustable resistor is coupled to a first input end of the gate drive unit, and the sequence controller is coupled to a control end of the first adjustable resistor to adjust a resistance value of the first adjustable resistor to make voltage difference values among the gate drive units in a preset range. In the gate driver, a first adjustable resistor is added between the first voltage and the gate drive unit. By controlling the resistance value of the first adjustable resistor, the voltages of the adjacent gate drivers are the same to prevent the appearance of the horizontal boundary.
    Type: Application
    Filed: December 22, 2016
    Publication date: December 27, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Ping-sheng KUO, Yu-yeh CHEN, Li-wei CHU
  • Patent number: 10147385
    Abstract: An online gamma adjustment system of liquid crystal panel is disclosed. The system includes a port receiving a gamma encoding for adjusting from an external gamma adjustment device, and generating an enable signal; a storage device storing the gamma encoding for adjusting received by the port according to a voltage level status of the enable signal; a controller selectively reading the gamma encoding from the storage device according to voltage level status of the enable signal; and a gamma register receiving the gamma encoding read by the controller, outputting a gamma voltage corresponding to the gamma encoding read by the controller in order to drive a liquid crystal panel.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: December 4, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yu-yeh Chen, Yu Wu, Jianjun Xie
  • Patent number: 10147396
    Abstract: A driving system capable of supporting multiple display modes is provided. The driving system includes a memory for storing gamma codes corresponding to various display modes, a gamma voltage generation device producing gamma voltages corresponding to the gamma codes, and a timing controller accessing the gamma codes stored in the memory and writing the gamma codes into the gamma voltage generation device according to mode switch signals. The gamma voltage generation device then produces gamma voltages corresponding to the input gamma codes during the vertical blank interval of the display device, thereby achieving display mode switch. The memory may also be integrated in the timing controller. Compared to the prior art, the driving system is compatible with various display modes with reduced cost.
    Type: Grant
    Filed: July 12, 2016
    Date of Patent: December 4, 2018
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd
    Inventors: Yu-yeh Chen, Yu Wu, Jianjun Xie
  • Publication number: 20180336855
    Abstract: Disclosed are a gray scale voltage compensation method of a liquid crystal panel, a circuit for a liquid crystal panel and a liquid crystal panel including the circuit. The invention adjusts the common voltage and/or compensates the pixel voltage to minimize the afterimage of the whole liquid crystal panel under the premise of saving the cost of the liquid crystal panel and greatly improves the panel display performance.
    Type: Application
    Filed: August 17, 2017
    Publication date: November 22, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Tao HE, Yu-Yeh CHEN, Yu WU, Jhen-wei HE
  • Publication number: 20180275440
    Abstract: The present application discloses a liquid crystal display device driving method and a liquid crystal display device, the driving method including: receiving the image data entered into the timing controller; calculating an area in the display image corresponding to the image data having the coupling phenomenon exceeds a predetermined level; determining whether or not the area in the display image corresponding to the image data having the coupling phenomenon exceeds a predetermined area is greater than or equal to the predetermined area; when the area is greater than or equal to the predetermined area, a two rows inversion manner is adopted, wherein when the method of two rows inversion is adopted to drive the liquid crystal display device, the driving direction of the data signal S(n+2) and the data signal S(n+3) are in contrast at the same time, wherein n is zero or a positive even number.
    Type: Application
    Filed: January 13, 2017
    Publication date: September 27, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Ping-sheng KUO, Li-wei CHU, Yu-yeh CHEN, Jian GAO
  • Publication number: 20180218666
    Abstract: The present disclosure relates to an interface device for high resolution liquid crystal device (LCD). The interface device includes a first connector configured to receive low voltage differential signals (LVDS) provided for a left-half active area of the LCD, a second connector configured to receive the LVDS provided for a right-half active area of the LCD, and a third connector configured to receive operational voltage signals and control signals provided for the LCD. The present disclosure also relates to a LCD with the above interface device. With such configuration, the data signals and the control signals are not mixed to enhance the signal quality, and the display performance of the LCD may not be affected.
    Type: Application
    Filed: July 19, 2016
    Publication date: August 2, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Zhao WANG, Yu-yeh CHEN, Yin-hung CHEN, Yu WU
  • Publication number: 20180210261
    Abstract: Provided are a liquid crystal panel drive circuit and a liquid crystal display device. The liquid crystal panel drive circuit comprises a first signal transmission board, a second signal transmission board, a Gamma voltage generation module and N data drive chip, and the first signal transmission board and the second signal transmission board are located at the same side of the liquid crystal panel and are separately located with the liquid crystal panel respectively, and the Gamma voltage generation module is located on the first signal transmission board employed to generate an original Gamma voltage signal, and the first data drive chip to the (N-M)th data drive chip are separately located between the first signal transmission board and the liquid crystal panel, and the (N-M+1)th data drive chip to the Nth data drive chip are separately located between the second signal transmission board and the liquid crystal panel.
    Type: Application
    Filed: December 5, 2016
    Publication date: July 26, 2018
    Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yu-yeh CHEN, Nianmao WANG
  • Publication number: 20180166001
    Abstract: A driving method of a display panel including: providing a display panel including multiple data lines and pixel unit groups arranged in an array, each pixel unit group being divided into a first sub-pixel unit group and a second sub-pixel unit group alternately arranged along column direction, the first and the second sub-pixel unit groups each including multiple sub-pixels; in a same frame of image, the data lines scanning the first sub-pixel unit groups of the pixel unit groups; and driving signals on the data lines being performed with one time level switching and then the data lines scanning the second sub-pixel unit groups of the pixel unit groups. In the driving method of the invention, the level switching times of the driving signal on each data line is significantly decreased, the power consumption for driving the display panel can be reduced and display performance can be enhanced.
    Type: Application
    Filed: June 27, 2016
    Publication date: June 14, 2018
    Applicant: Wuhan China Star Optoelectronics Technology Co., Ltd.
    Inventors: Yu-yeh CHEN, JhenWei HE, Xinhong CHEN, Yu WU