Patents by Inventor Wen-Yuan Tsao

Wen-Yuan Tsao 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: 9501984
    Abstract: A driving device includes a driving module, for generating a plurality of driving signals according to a plurality of next channel data and adjusting coupling relationships of the plurality of driving signals according to a charge sharing control signal; and a timing control module, for generating the plurality of next channel data and selecting one of a plurality of charge sharing control commands as the charge sharing control signal.
    Type: Grant
    Filed: March 8, 2015
    Date of Patent: November 22, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Han-Ying Chang, Chu-Ya Hsiao, Wen-Yuan Tsao
  • Publication number: 20160171942
    Abstract: A driving device includes a driving module, for generating a plurality of driving signals according to a plurality of next channel data and adjusting coupling relationships of the plurality of driving signals according to a charge sharing control signal; and a timing control module, for generating the plurality of next channel data and selecting one of a plurality of charge sharing control commands as the charge sharing control signal.
    Type: Application
    Filed: March 8, 2015
    Publication date: June 16, 2016
    Inventors: Han-Ying Chang, Chu-Ya Hsiao, Wen-Yuan Tsao
  • Patent number: 8502807
    Abstract: A signal transmission system of a flat panel device includes an encoder, a transmitter, a receiver, and a decoder. The encoder converts a digital signal to a switch control signal. The transmitter includes 4n signal-lines for transmitting a current signal according to the switch control signal. The receiver includes 4n terminations, a plurality of terminal resistors, and a plurality of comparators. The receiver generates a group of voltage levels according to the current signal. Each comparator is coupled between any two terminations so as to generate a group of voltage differences. The decoder converts the group of voltage differences to the digital signal.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: August 6, 2013
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Wen-Yuan Tsao, Che-Li Lin, Chi-Ming Yuan
  • Patent number: 8018418
    Abstract: A data synchronization method for a transmitter of a display device includes utilizing a plurality of first signaling line sets to couple the transmitter and a plurality of receivers in a dedicated type manner, transmitting a synchronization signal to the plurality of receivers according to a transistor-to-transistor logic signal form, transmitting a synchronization start-up signal to the plurality of receivers via the plurality of first signaling line sets a first time later after the synchronization signal is transmitted, and then transmitting a data signal to the plurality of receivers via the plurality of first signaling line sets a second time later after the synchronization start-up signal is transmitted. The synchronization signal has a longer effective time than the synchronization start-up signal.
    Type: Grant
    Filed: September 11, 2008
    Date of Patent: September 13, 2011
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Wen-Yuan Tsao, Che-Li Lin, Chi-Ming Yuan
  • Patent number: 7773079
    Abstract: A method capable of reducing power consumption of source drivers is disclosed. The method includes a reference voltage source charging or discharging a loading end of a source driver to a reference voltage having a polarity the same as a polarity of a target voltage and a voltage level near a voltage level of the target voltage, and an output stage of the source driver charging or discharging the loading end to the target voltage.
    Type: Grant
    Filed: April 1, 2007
    Date of Patent: August 10, 2010
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Wen-Yuan Tsao, Chang-San Chen, Che-Li Lin
  • Publication number: 20090279649
    Abstract: A data synchronization method for a transmitter of a display device includes utilizing a plurality of first signaling line sets to couple the transmitter and a plurality of receivers in a dedicated type manner, transmitting a synchronization signal to the plurality of receivers according to a transistor-to-transistor logic signal form, transmitting a synchronization start-up signal to the plurality of receivers via the plurality of first signaling line sets a first time later after the synchronization signal is transmitted, and then transmitting a data signal to the plurality of receivers via the plurality of first signaling line sets a second time later after the synchronization start-up signal is transmitted. The synchronization signal has a longer effective time than the synchronization start-up signal.
    Type: Application
    Filed: September 11, 2008
    Publication date: November 12, 2009
    Inventors: Wen-Yuan Tsao, Che-Li Lin, Chi-Ming Yuan
  • Publication number: 20090274241
    Abstract: In order to resolve problems of clock and data skews in transmission signals in a display device, the present invention provides a data transmission device including a timing controller, a plurality of source drivers and a plurality of transmission line sets. The timing controller generates a plurality of definable signals each generating at least four voltage levels. The plurality of source drivers receives the plurality of definable signals. The plurality of transmission line sets are coupled between the timing controller and the plurality of source drivers and used for transmitting the plurality of definable signals. Preferably, the plurality of definable signals are differential signals.
    Type: Application
    Filed: July 18, 2008
    Publication date: November 5, 2009
    Inventors: Wen-Yuan Tsao, Che-Li Lin
  • Publication number: 20090267925
    Abstract: A signal transmission system of a flat panel device includes an encoder, a transmitter, a receiver, and a decoder. The encoder converts a digital signal to a switch control signal. The transmitter includes 4n signal-lines for transmitting a current signal according to the switch control signal. The receiver includes 4n terminations, a plurality of terminal resistors, and a plurality of comparators. The receiver generates a group of voltage levels according to the current signal. Each comparator is coupled between any two terminations so as to generate a group of voltage differences. The decoder converts the group of voltage differences to the digital signal.
    Type: Application
    Filed: December 8, 2008
    Publication date: October 29, 2009
    Inventors: Wen-Yuan Tsao, Che-Li Lin, Chi-Ming Yuan
  • Patent number: 7564378
    Abstract: A data encoding and decoding method capable of lowering signal power spectral density for a binary data transmission system is disclosed. The data encoding method includes receiving binary data, performing adaptive mode tracking encoding for the binary data to generate a first encoding result, performing bit stuffing encoding for the first encoding result to generate a second encoding result, performing bit stationary state resuming encoding for the second encoding result to generate a third encoding result, and outputting the third encoding result.
    Type: Grant
    Filed: May 19, 2008
    Date of Patent: July 21, 2009
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Wen-Yuan Tsao, Che-Li Lin
  • Publication number: 20090085779
    Abstract: A data encoding and decoding method capable of lowering signal power spectral density for a binary data transmission system is disclosed. The data encoding method includes receiving binary data, performing adaptive mode tracking encoding for the binary data to generate a first encoding result, performing bit stuffing encoding for the first encoding result to generate a second encoding result, performing bit stationary state resuming encoding for the second encoding result to generate a third encoding result, and outputting the third encoding result.
    Type: Application
    Filed: May 19, 2008
    Publication date: April 2, 2009
    Inventors: Wen-Yuan Tsao, Che-Li Lin
  • Publication number: 20080238895
    Abstract: In order to increase charge time of thin-film transistor (TFT) cells of a display device, the present invention provides a driving device, which includes a timing controller, a column driver module and at least a delay module. The timing controller is used for outputting at least a load signal. The column driver module is coupled to the timing controller and includes at least a column driver. The delay module can be installed in the column driver module or the timing controller, and is used for delaying the load signal for a predetermined time. The load signal is utilized to trigger the plurality of column drivers to output video data provided by a video data source and the video data corresponds to pixels on a panel of the display device. The driving device can use in a cascading, point-to-point or bus-type interfacing architecture to transmit the load signal.
    Type: Application
    Filed: January 10, 2008
    Publication date: October 2, 2008
    Inventors: Jin-Ho Lin, Che-Li Lin, Wen-Chi Lin, Wen-Yuan Tsao
  • Publication number: 20070229338
    Abstract: A method capable of reducing power consumption of source drivers is disclosed. The method includes a reference voltage source charging or discharging a loading end of a source driver to a reference voltage having a polarity the same as a polarity of a target voltage and a voltage level near a voltage level of the target voltage, and an output stage of the source driver charging or discharging the loading end to the target voltage.
    Type: Application
    Filed: April 1, 2007
    Publication date: October 4, 2007
    Inventors: Wen-Yuan Tsao, Chang-San Chen, Che-Li Lin