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).
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Patent number: 11636823Abstract: 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: GrantFiled: February 11, 2022Date of Patent: April 25, 2023Assignee: NOVATEK Microelectronics Corp.Inventors: Shun-Hsun Yang, Tse-Hung Wu
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Publication number: 20220165230Abstract: 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: ApplicationFiled: February 11, 2022Publication date: May 26, 2022Applicant: NOVATEK Microelectronics Corp.Inventors: Shun-Hsun Yang, Tse-Hung Wu
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Patent number: 11302279Abstract: 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: GrantFiled: February 11, 2020Date of Patent: April 12, 2022Assignee: NOVATEK Microelectronics Corp.Inventors: Shun-Hsun Yang, Tse-Hung Wu
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Publication number: 20200184920Abstract: 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: ApplicationFiled: February 11, 2020Publication date: June 11, 2020Inventors: Shun-Hsun Yang, Tse-Hung Wu
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Patent number: 10593285Abstract: 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: GrantFiled: June 5, 2017Date of Patent: March 17, 2020Assignee: NOVATEK Microelectronics Corp.Inventors: Shun-Hsun Yang, Tse-Hung Wu
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Publication number: 20180286344Abstract: 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: ApplicationFiled: June 5, 2017Publication date: October 4, 2018Inventors: Shun-Hsun Yang, Tse-Hung Wu
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Patent number: 10089941Abstract: 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: GrantFiled: January 31, 2018Date of Patent: October 2, 2018Assignee: Novatek Microelectronics Corp.Inventors: Ching-Wen Hou, Shun-Hsun Yang, Tse-Hung Wu
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Publication number: 20180158422Abstract: 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: ApplicationFiled: January 31, 2018Publication date: June 7, 2018Applicant: Novatek Microelectronics Corp.Inventors: Ching-Wen Hou, Shun-Hsun Yang, Tse-Hung Wu
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Patent number: 9916797Abstract: 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: GrantFiled: May 20, 2015Date of Patent: March 13, 2018Assignee: Novatek Microelectronics Corp.Inventors: Ching-Wen Hou, Shun-Hsun Yang, Tse-Hung Wu
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Patent number: 9396695Abstract: 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: GrantFiled: December 4, 2014Date of Patent: July 19, 2016Assignee: Novatek Microelectronics Corp.Inventors: Jr-Ching Lin, Hsin-Hung Lee, Chia-Wei Su, Po-Yu Tseng, Shun-Hsun Yang, Po-Hsiang Fang
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Publication number: 20160203779Abstract: 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: ApplicationFiled: May 20, 2015Publication date: July 14, 2016Inventors: Ching-Wen Hou, Shun-Hsun Yang, Tse-Hung Wu
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Patent number: 9311844Abstract: 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: GrantFiled: November 19, 2013Date of Patent: April 12, 2016Assignee: Novatek Microelectronics Corp.Inventor: Shun-Hsun Yang
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Patent number: 9299285Abstract: 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: GrantFiled: August 26, 2013Date of Patent: March 29, 2016Assignee: NOVATEK Microelectronics Corp.Inventors: Shun-Hsun Yang, Chia-Wei Su
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Patent number: 9299309Abstract: 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: GrantFiled: August 2, 2013Date of Patent: March 29, 2016Assignee: NOVATEK Microelectronics Corp.Inventors: Po-Yu Tseng, Chia-Wei Su, Po-Hsiang Fang, Shun-Hsun Yang, Hsin-Hung Lee
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Publication number: 20160078829Abstract: 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: ApplicationFiled: September 11, 2014Publication date: March 17, 2016Inventors: Teng-Jui Yu, Shun-Hsun Yang, Hsiang-Ning Liu, Li-Tang Lin
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Patent number: 9230495Abstract: 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: GrantFiled: October 7, 2013Date of Patent: January 5, 2016Assignee: NOVATEK Microelectronics Corp.Inventors: Chia-Wei Su, Po-Yu Tseng, Shun-Hsun Yang, Po-Hsiang Fang
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Patent number: 9183801Abstract: 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: GrantFiled: September 4, 2013Date of Patent: November 10, 2015Assignee: Novatek Microelectronics Corp.Inventors: Sou-Chieh Chang, Shun-Hsun Yang, Tse-Hung Wu
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Patent number: 9142181Abstract: 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: GrantFiled: August 12, 2013Date of Patent: September 22, 2015Assignee: 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
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Patent number: 9123275Abstract: 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: GrantFiled: February 27, 2013Date of Patent: September 1, 2015Assignee: Novatek Microelectronics Corp.Inventors: Shun-Hsun Yang, Chia-Wei Su, Po-Yu Tseng, Po-Hsiang Fang, Hsin-Hung Lee
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Publication number: 20150084947Abstract: 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: ApplicationFiled: December 4, 2014Publication date: March 26, 2015Inventors: Jr-Ching Lin, Hsin-Hung Lee, Chia-Wei Su, Po-Yu Tseng, Shun-Hsun Yang, Po-Hsiang Fang