Patents by Inventor Shun-Hsun Yang

Shun-Hsun Yang 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: 11636823
    Abstract: A method of handling signal transmission applicable to a display system includes a plurality of steps. The steps include transmitting a reset signal embedded in a first data signal to each of at least one source driver via a first data channel, generating a first control signal for setting the at least one source driver, and transmitting the first control signal embedded in a second data signal to each of the at least one source driver via a second data channel when the reset signal is transmitted via the first data channel.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: April 25, 2023
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Shun-Hsun Yang, Tse-Hung Wu
  • Publication number: 20220165230
    Abstract: A method of handling signal transmission applicable to a display system includes a plurality of steps. The steps include transmitting a reset signal embedded in a first data signal to each of at least one source driver via a first data channel, generating a first control signal for setting the at least one source driver, and transmitting the first control signal embedded in a second data signal to each of the at least one source driver via a second data channel when the reset signal is transmitted via the first data channel.
    Type: Application
    Filed: February 11, 2022
    Publication date: May 26, 2022
    Applicant: NOVATEK Microelectronics Corp.
    Inventors: Shun-Hsun Yang, Tse-Hung Wu
  • Patent number: 11302279
    Abstract: A method of handling signal transmission applicable to a display system includes a plurality of steps. The steps include transmitting a reset signal embedded in a first data signal to each of at least one source driver via a first data channel, generating a first control signal for setting the at least one source driver, and transmitting the first control signal embedded in a second data signal to each of the at least one source driver via a second data channel when the reset signal is transmitted via the first data channel.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: April 12, 2022
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Shun-Hsun Yang, Tse-Hung Wu
  • Publication number: 20200184920
    Abstract: A method of handling signal transmission applicable to a display system includes a plurality of steps. The steps include transmitting a reset signal embedded in a first data signal to each of at least one source driver via a first data channel, generating a first control signal for setting the at least one source driver, and transmitting the first control signal embedded in a second data signal to each of the at least one source driver via a second data channel when the reset signal is transmitted via the first data channel.
    Type: Application
    Filed: February 11, 2020
    Publication date: June 11, 2020
    Inventors: Shun-Hsun Yang, Tse-Hung Wu
  • Patent number: 10593285
    Abstract: A method of handling signal transmission applicable to a timing controller of a display system, wherein the timing controller is couplable to at least one source driver of the display system via a plurality of mini low voltage differential signaling (mini-LVDS) channels, includes transmitting a reset signal to each of the at least one source driver via a first mini-LVDS channel among the plurality of mini-LVDS channels; generating a first control signal for setting the at least one source driver; and transmitting the first control signal to each of the at least one source driver via a second mini-LVDS channel among the plurality of mini-LVDS channels when the reset signal is transmitted via the first mini-LVDS channel.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: March 17, 2020
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Shun-Hsun Yang, Tse-Hung Wu
  • Publication number: 20180286344
    Abstract: A method of handling signal transmission applicable to a timing controller of a display system, wherein the timing controller is couplable to at least one source driver of the display system via a plurality of mini low voltage differential signaling (mini-LVDS) channels, includes transmitting a reset signal to each of the at least one source driver via a first mini-LVDS channel among the plurality of mini-LVDS channels; generating a first control signal for setting the at least one source driver; and transmitting the first control signal to each of the at least one source driver via a second mini-LVDS channel among the plurality of mini-LVDS channels when the reset signal is transmitted via the first mini-LVDS channel.
    Type: Application
    Filed: June 5, 2017
    Publication date: October 4, 2018
    Inventors: Shun-Hsun Yang, Tse-Hung Wu
  • Patent number: 10089941
    Abstract: A liquid crystal display apparatus, a source driver, and a method for controlling polarity of driving signals thereof are provided. The source driver includes a signal receiving interface, a decoder, and a controller. The signal receiving interface receives an image data stream or an indication signal. The decoder obtains controlling information from the image data stream or the indication signal. The controller receives the controlling information and decides a plurality of source driving signals generated by the source driver according to the controlling information.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: October 2, 2018
    Assignee: Novatek Microelectronics Corp.
    Inventors: Ching-Wen Hou, Shun-Hsun Yang, Tse-Hung Wu
  • Publication number: 20180158422
    Abstract: A liquid crystal display apparatus, a source driver, and a method for controlling polarity of driving signals thereof are provided. The source driver includes a signal receiving interface, a decoder, and a controller. The signal receiving interface receives an image data stream or an indication signal. The decoder obtains controlling information from the image data stream or the indication signal. The controller receives the controlling information and decides a plurality of source driving signals generated by the source driver according to the controlling information.
    Type: Application
    Filed: January 31, 2018
    Publication date: June 7, 2018
    Applicant: Novatek Microelectronics Corp.
    Inventors: Ching-Wen Hou, Shun-Hsun Yang, Tse-Hung Wu
  • Patent number: 9916797
    Abstract: A liquid crystal display apparatus, a source driver, and a method for controlling polarity of driving signals thereof are provided. The source driver includes a signal receiving interface, a decoder, and a controller. The signal receiving interface receives an image data stream or a data input/output indication signal. The decoder obtains polarity controlling information from the image data stream or the data input/output indication signal. The controller receives the polarity controlling information and decides driving polarities of a plurality of source driving signals generated by the source driver according to the polarity controlling information.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: March 13, 2018
    Assignee: Novatek Microelectronics Corp.
    Inventors: Ching-Wen Hou, Shun-Hsun Yang, Tse-Hung Wu
  • Patent number: 9396695
    Abstract: A source driver includes a first drive channel circuit, a voltage controller and a first programmable voltage buffer unit. The first drive channel circuit receives a first pixel data and a first reference voltage group, for driving the display device. The voltage controller receives a voltage command during a line data transmitting period, a horizontal blanking period or a vertical blanking period for generating a first reference voltage configuration data. The first programmable voltage buffer unit is coupled to the voltage controller and the first drive channel circuit, and receives the first reference voltage configuration data for applying the first reference voltage group to the first drive channel circuit. Furthermore, a method for driving a display device is also provided.
    Type: Grant
    Filed: December 4, 2014
    Date of Patent: July 19, 2016
    Assignee: Novatek Microelectronics Corp.
    Inventors: Jr-Ching Lin, Hsin-Hung Lee, Chia-Wei Su, Po-Yu Tseng, Shun-Hsun Yang, Po-Hsiang Fang
  • Publication number: 20160203779
    Abstract: A liquid crystal display apparatus, a source driver, and a method for controlling polarity of driving signals thereof are provided. The source driver includes a signal receiving interface, a decoder, and a controller. The signal receiving interface receives an image data stream or a data input/output indication signal. The decoder obtains polarity controlling information from the image data stream or the data input/output indication signal. The controller receives the polarity controlling information and decides driving polarities of a plurality of source driving signals generated by the source driver according to the polarity controlling information.
    Type: Application
    Filed: May 20, 2015
    Publication date: July 14, 2016
    Inventors: Ching-Wen Hou, Shun-Hsun Yang, Tse-Hung Wu
  • Patent number: 9311844
    Abstract: A source driver and a method to reduce peak current of the source driver are provided. The source driver includes a latch circuit, a level shifter and a digital-to-analog converter (DAC) circuit. The latch circuit latches current bit-data. The latch circuit is coupled to an input terminal of the level shifter. The DAC circuit is coupled to an output terminal of the level shifter. When the current bit-data is not a complement of previous bit-data, the latch circuit selects and outputs the current bit-data to the input terminal of the level shifter, and the DAC circuit outputs a voltage corresponding to the output data of the level shifter. When the current bit-data is the complement of the previous bit-data, the latch circuit selects and outputs the previous bit-data to the input terminal of the level shifter, and the DAC circuit outputs a voltage corresponding to the current bit-data.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: April 12, 2016
    Assignee: Novatek Microelectronics Corp.
    Inventor: Shun-Hsun Yang
  • Patent number: 9299285
    Abstract: A timing scrambling method, for a timing control device corresponding to a plurality of source driving devices, includes adjusting a selecting signal according to a clock signal; selecting one of a plurality of scrambling generating units according to the selecting signal to generate a timing scrambling signal; and generating scrambling data for the plurality of source driving devices according to the timing scrambling signal.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: March 29, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Shun-Hsun Yang, Chia-Wei Su
  • Patent number: 9299309
    Abstract: The present invention discloses an integrated source driver for a liquid crystal display device. The integrated source driver includes a reference voltage generating circuit, for providing a plurality of adjustable voltage ranges within a supply voltage and a ground level, and a reference voltage selecting circuit, including a plurality of digital to analog converters, for selecting and generating a plurality of internal reference voltages from the plurality of adjustable voltage ranges, respectively. The plurality of adjustable voltage ranges decrease progressively.
    Type: Grant
    Filed: August 2, 2013
    Date of Patent: March 29, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Po-Yu Tseng, Chia-Wei Su, Po-Hsiang Fang, Shun-Hsun Yang, Hsin-Hung Lee
  • Publication number: 20160078829
    Abstract: A driving device for a display system, comprising a first signal line, connecting to a timing control device of the display system for transmitting an instruction signal; a second signal line, connecting to the timing control device for transmitting a sync clock signal; and a plurality of driving units, for receiving the instruction signal from a timing control device of the display system via the first signal line, receiving a sync clock signal from the timing control device via the second signal line and generating a plurality of driving signals to a display device of the display system according to the instruction signal and the sync clock signal.
    Type: Application
    Filed: September 11, 2014
    Publication date: March 17, 2016
    Inventors: Teng-Jui Yu, Shun-Hsun Yang, Hsiang-Ning Liu, Li-Tang Lin
  • Patent number: 9230495
    Abstract: A self-detection charge sharing module for a liquid crystal display device is disclosed. The self-detection charge sharing module includes at least one detecting unit, for detecting a plurality of input voltages of a plurality of operational amplifiers driving a plurality of data line sand a plurality of output voltage of the plurality of data line, to generate at least one detecting result, and at least one charge sharing unit, for conducting connection between at least one first data line and at least one second data line among the plurality of data line when the at least one detecting result indicates at least one corresponding first input voltage and at least one corresponding second input voltage among the plurality of input voltage have opposite voltage variation direction and vary toward each other. The at least one first input voltage and the at least one second input voltage maintain respective polarities.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: January 5, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chia-Wei Su, Po-Yu Tseng, Shun-Hsun Yang, Po-Hsiang Fang
  • Patent number: 9183801
    Abstract: A source driver apparatus configured to drive a display panel is provided. The source driver apparatus includes a data operation circuit and a pixel driving circuit. The data operation circuit is configured to receive pixel data and perform a polarity determination operation on the pixel data to determine a polarity distribution information of pixels on the display panel. The pixel driving circuit is coupled to the data operation circuit. The pixel driving circuit is configured to drive the display panel according to the pixel data and the polarity distribution information. Furthermore, a driving method of the display panel is also provided.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: November 10, 2015
    Assignee: Novatek Microelectronics Corp.
    Inventors: Sou-Chieh Chang, Shun-Hsun Yang, Tse-Hung Wu
  • Patent number: 9142181
    Abstract: A display driver, which comprises: a first predetermined voltage level providing apparatus, for providing a first predetermined voltage level group comprising at least one first predetermined voltage level; a first image data providing apparatus, for outputting a first image data; and a detection controlling circuit, for determining if an output terminal of the first image data providing apparatus is pre-charged to the first predetermined voltage level according to a relation between an absolute value of a voltage level of the first image data and an absolute value of the first predetermined voltage level.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: September 22, 2015
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chia-Hsun Kuo, Chia-Wei Su, Ji-Ting Chen, Shun-Hsun Yang, Wei-Hsiang Hung, Ying-Zu Lin, Li-Tang Lin
  • Patent number: 9123275
    Abstract: A method for displaying error rates of data channels of a display is provided. A timing controller of the display repeatedly transmits a test signal with a specific format to a first and a second source drivers of the display via a first and a second data channels of the display. During testing, a first number and a second number of times of the first source driver and the second source driver determining that the received test signal does not have the specific format are counted respectively. The first and the second source drivers control displaying of a first area and a second area of a panel of the display respectively according to the counted first and second numbers of times. Accordingly, the error rates of the data channels are presented on the panel of the display in a way that the error rates could be recognized more easily.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: September 1, 2015
    Assignee: Novatek Microelectronics Corp.
    Inventors: Shun-Hsun Yang, Chia-Wei Su, Po-Yu Tseng, Po-Hsiang Fang, Hsin-Hung Lee
  • Publication number: 20150084947
    Abstract: A source driver includes a first drive channel circuit, a voltage controller and a first programmable voltage buffer unit. The first drive channel circuit receives a first pixel data and a first reference voltage group, for driving the display device. The voltage controller receives a voltage command during a line data transmitting period, a horizontal blanking period or a vertical blanking period for generating a first reference voltage configuration data. The first programmable voltage buffer unit is coupled to the voltage controller and the first drive channel circuit, and receives the first reference voltage configuration data for applying the first reference voltage group to the first drive channel circuit. Furthermore, a method for driving a display device is also provided.
    Type: Application
    Filed: December 4, 2014
    Publication date: March 26, 2015
    Inventors: Jr-Ching Lin, Hsin-Hung Lee, Chia-Wei Su, Po-Yu Tseng, Shun-Hsun Yang, Po-Hsiang Fang