Patents by Inventor Chin-Hung Hsu

Chin-Hung Hsu 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: 20160253948
    Abstract: A display apparatus includes a source driver and a display panel. The source driver provides a plurality of pixel voltages which respectively correspond to a maximum gray-level voltage or a minimum gray-level voltage. The display panel includes a plurality of data lines, a plurality of pixel switches, a plurality of pixel capacitors, and a plurality of gray-level switches. The data lines are coupled to the source driver to receive the pixel voltages. Each pixel switch is respectively coupled to the corresponding data line to transmit the corresponding pixel voltage. Each pixel capacitor is respectively coupled between the corresponding pixel switch and a common voltage to receive the corresponding pixel voltage. Each gray-level switch is respectively coupled to the corresponding pixel capacitor in parallel and respectively receives a gray-level control signal. The gray-level switches regulate voltage drops across the pixel capacitors according to the corresponding gray-level control signals.
    Type: Application
    Filed: May 12, 2016
    Publication date: September 1, 2016
    Inventor: Chin-Hung Hsu
  • Patent number: 9373293
    Abstract: A display apparatus includes a source driver and a display panel. The source driver provides a plurality of pixel voltages which respectively correspond to a maximum gray-level voltage or a minimum gray-level voltage. The display panel includes a plurality of data lines, a plurality of pixel switches, a plurality of pixel capacitors, and a plurality of gray-level switches. The data lines are coupled to the source driver to receive the pixel voltages. Each pixel switch is respectively coupled to the corresponding data line to transmit the corresponding pixel voltage. Each pixel capacitor is respectively coupled between the corresponding pixel switch and a common voltage to receive the corresponding pixel voltage. Each gray-level switch is respectively coupled to the corresponding pixel capacitor in parallel and respectively receives a gray-level control signal. The gray-level switches regulate voltage drops across the pixel capacitors according to the corresponding gray-level control signals.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: June 21, 2016
    Assignee: Novatek Microelectronics Corp.
    Inventor: Chin-Hung Hsu
  • Publication number: 20160118010
    Abstract: A display driving apparatus includes a timing controller, for generating and outputting a first clock signal and a first data signal; and a plurality of source drivers, each source driver receiving the first clock signal and the first data signal, wherein there is a respective first skew value between the received first clock signal and the received first data signal for each source driver; wherein each source driver adjusts the respective first skew value to a respective second skew value.
    Type: Application
    Filed: May 14, 2015
    Publication date: April 28, 2016
    Inventors: Chin-Hung Hsu, Hsiu-Hui Yang, Te-Hsien Kuo
  • Publication number: 20160071477
    Abstract: A discharging-control method, for a display system drove by a power and comprising a panel with a plurality of pixels and a gate driving module, wherein the gate driving module generates a plurality of gate driving signals according to gate-high voltage and gate-low voltage and the plurality of gate driving signals is switched between the gate-high voltage and the gate-low voltage for switching the conducting statuses of a plurality of transistor switches of the plurality of pixels, includes switching the plurality of gate driving signals to the gate-low voltage in a power-off period, wherein the power is turned off in the power-off period; and generating at least one raising voltage at a receiving path of the gate-low voltage or a plurality of output paths of the plurality of gate driving signals, for raising the voltage level of the plurality of gate driving signals and conducting the plurality of transistor switches.
    Type: Application
    Filed: May 26, 2015
    Publication date: March 10, 2016
    Inventors: Chin-Hung Hsu, I-Chun Kuo
  • Patent number: 9240157
    Abstract: A source driving device, capable of reducing stand-by period and saving power consumption, includes a plurality of source drivers connected in series, which include one or more cascade source drivers. The one or more cascade source drivers include one or more first-type cascade source drivers, each of which, at different times to other first-type cascade source drivers, is respectively activated by a pulse signal generated by a previous source driver, and after the activation, is triggered by a frame signal to receive corresponding frame data in the frame signal. Each of the source drivers generates a pulse signal after receiving the corresponding frame data to activate the next source driver.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: January 19, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chin-Hung Hsu, Yu-Ming Chang
  • Patent number: 9142194
    Abstract: A transmission method for a display device is provided. The display device includes a one-to-many timing controller and a plurality of source drivers. The transmission method includes determining whether the plurality of source drivers being operated in different operational modes are switched on or off according to a command signal, to receive a display information of the one-to-many timing controller. The display information comprises at least a first control triggering signal, a first control signal, a first display information triggering signal, a first display signal, a second display information triggering signal and a second display signal, and the command signal is an internal setting signal or an external setting signal.
    Type: Grant
    Filed: April 11, 2014
    Date of Patent: September 22, 2015
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chin-Hung Hsu, Yu-Ming Chang
  • Publication number: 20150161959
    Abstract: A driving method for a display system with a gate driving device and a panel includes utilizing a plurality of gate driving modules of the gate driving device to generate a plurality of gate driving signals for driving a plurality of scan lines of the panel; and adjusting a plurality of output resistances of the plurality of gate driving modules according to the plurality of gate driving signals.
    Type: Application
    Filed: November 3, 2014
    Publication date: June 11, 2015
    Inventors: Chin-Hung Hsu, Yu-Ming Chang, Chao-Chih Hsiao, Po-Ching Li
  • Publication number: 20150154942
    Abstract: A transmission method for a display device is provided. The display device includes a one-to-many timing controller and a plurality of source drivers. The transmission method includes determining whether the plurality of source drivers being operated in different operational modes are switched on or off according to a command signal, to receive a display information of the one-to-many timing controller. The display information comprises at least a first control triggering signal, a first control signal, a first display information triggering signal, a first display signal, a second display information triggering signal and a second display signal, and the command signal is an internal setting signal or an external setting signal.
    Type: Application
    Filed: April 11, 2014
    Publication date: June 4, 2015
    Applicant: NOVATEK Microelectronics Corp.
    Inventors: Chin-Hung Hsu, Yu-Ming Chang
  • Publication number: 20150023649
    Abstract: A network connection configuration method for a multimedia player includes establishing a Wireless Fidelity (Wi-Fi) connection between a mobile device and a network connection device, such that the mobile device obtains a service set identification (SSID) and a password thereof of the network connection device; utilizing an image capture module of the mobile device to capture an optical image corresponding to the multimedia player, so as to establish a Wi-Fi Direct connection between the mobile device and the multimedia player; and establishing another Wi-Fi connection between the multimedia player and the network connection device according to the Wi-Fi connection between the mobile device and the network connection device as well as the Wi-Fi Direct connection between the mobile device and the multimedia player.
    Type: Application
    Filed: October 14, 2013
    Publication date: January 22, 2015
    Applicant: ALI Corporation
    Inventors: Houng-Jyh Wang, Chin-Hung Hsu
  • Patent number: 8878764
    Abstract: A driving method is provided for reducing power consumption of a liquid crystal display. The driving method includes steps of sequentially receiving first data and second data, determining whether the second data is the same as the first data, and controlling a data-line driving circuit not to read in driving data corresponding to the second data when the second data is the same as the first data.
    Type: Grant
    Filed: September 15, 2008
    Date of Patent: November 4, 2014
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chin-Hung Hsu, Yueh-Hsiu Liu, Chih-Chiang Chuang, Li-Jun Chen
  • Publication number: 20140132588
    Abstract: A display apparatus includes a source driver and a display panel. The source driver provides a plurality of pixel voltages which respectively correspond to a maximum gray-level voltage or a minimum gray-level voltage. The display panel includes a plurality of data lines, a plurality of pixel switches, a plurality of pixel capacitors, and a plurality of gray-level switches. The data lines are coupled to the source driver to receive the pixel voltages. Each pixel switch is respectively coupled to the corresponding data line to transmit the corresponding pixel voltage. Each pixel capacitor is respectively coupled between the corresponding pixel switch and a common voltage to receive the corresponding pixel voltage. Each gray-level switch is respectively coupled to the corresponding pixel capacitor in parallel and respectively receives a gray-level control signal. The gray-level switches regulate voltage drops across the pixel capacitors according to the corresponding gray-level control signals.
    Type: Application
    Filed: August 9, 2013
    Publication date: May 15, 2014
    Applicant: Novatek Microelectronics Corp.
    Inventor: Chin-Hung Hsu
  • Publication number: 20130161616
    Abstract: The present invention discloses a substrate including a flexible film, a plurality of sprocket holes disposed along a first direction on two sides of the flexible film, and a plurality of first chip zones disposed along the first direction on the flexible film, of which each first chip zone includes at least a testing module, an input module, a chip and an output module disposed along a second direction, where the first direction is orthogonal to the second direction.
    Type: Application
    Filed: April 4, 2012
    Publication date: June 27, 2013
    Inventors: Chir-Hsiang Hsu, Chin-Hung Hsu, Chih-Chiang Chan, Hai-Lun Chen
  • Patent number: 8456464
    Abstract: A method for driving a liquid crystal display monitor including a display panel with a plurality of pixels includes receiving image data which includes a plurality of image signals corresponding to the plurality of pixels, initiating a column inversion procedure for driving the display panel to display the image data, comparing the plurality of image signals during the column inversion procedure to generate a comparison result, and deciding whether to initiate a charge sharing function of the plurality of pixels according to the comparison result.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: June 4, 2013
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chin-Hung Hsu, Chu-Ya Hsiao
  • Publication number: 20130021306
    Abstract: A display panel driving apparatus and an operation method thereof and a source driver thereof are provided. The display panel driving apparatus includes a timing controller and a source driver. The timing controller outputs display data and error-check data. The source driver generates source driving signals for driving a display panel in accordance with the display data provided from the timing controller, and checks the display data in accordance with the error-check data provided from the timing controller.
    Type: Application
    Filed: November 1, 2011
    Publication date: January 24, 2013
    Applicant: NOVATEK MICROELECTRONICS CORP.
    Inventors: Te-Hsien Kuo, Hsiu-Hui Yang, Chin-Hung Hsu
  • Publication number: 20130009917
    Abstract: A driving method for a source driver array is disclosed. The source driver array includes a leading source driver and at least one cascade source driver. The driving method includes utilizing a latch data signal and a reset section of a frame signal to control the leading source driver and the at least one cascade source driver to enter a stand-by state, respectively, and trigger the leading source driver to receive the corresponding data of the frame signal, and utilizing a polarity control signal to sequentially trigger the at least one cascade source driver to receive the corresponding data of the frame signal in different times, and further utilizing the polarity control signal to control the signal polarities of a plurality of source driving signals of the leading source driver and the at least one cascade source driver.
    Type: Application
    Filed: October 13, 2011
    Publication date: January 10, 2013
    Inventor: Chin-Hung Hsu
  • Publication number: 20120206327
    Abstract: A display panel is disclosed has a plurality of source data lines and at least a first and a second gate scan lines and includes at least a first, a second, a third and a fourth display rows. Gates of a plurality of the first and second driving transistors of the first and the second display rows respectively are commonly coupled to the first gate scan line. First sources/drains of the first and the fourth driving transistors are sequentially coupled to odd columns of the source data lines. First sources/drains of the second and the third driving transistors are sequentially coupled to even columns of the source data lines. Gates of a plurality of the third and fourth driving transistors of the third and the fourth display rows respectively are commonly coupled to the second gate scan line.
    Type: Application
    Filed: April 19, 2012
    Publication date: August 16, 2012
    Applicant: NOVATEK MICROELECTRONICS CORP.
    Inventor: Chin-Hung Hsu
  • Publication number: 20120154356
    Abstract: A source driving device, capable of reducing stand-by period and saving power consumption, includes a plurality of source drivers connected in series, which include one or more cascade source drivers. The one or more cascade source drivers include one or more first-type cascade source drivers, each of which, at different times to other first-type cascade source drivers, is respectively activated by a pulse signal generated by a previous source driver, and after the activation, is triggered by a frame signal to receive corresponding frame data in the frame signal. Each of the source drivers generates a pulse signal after receiving the corresponding frame data to activate the next source driver.
    Type: Application
    Filed: April 26, 2011
    Publication date: June 21, 2012
    Inventors: Chin-Hung Hsu, Yu-Ming Chang
  • Publication number: 20120069044
    Abstract: A dynamic gamma control method for an LCD is provided. The LCD displays a present frame by a plurality of gamma reference voltages and the present frame includes an R-pixel data sum, a G-pixel data sum and a B-pixel data sum which are obtained by respectively adding all R-pixel data, all G-pixel data and all B-pixel data of at least one pixel of the present frame. The method includes steps of: weighting the R-pixel data sum, the G-pixel data sum and the B-pixel data sum with a first, a second and a third parameters respectively and adding them up to obtain a gamma indication value, and choosing a suitable one from the plurality of gamma reference voltages to display the present frame thereby if the gamma indication value is equal to a gamma reference value formed by adding the first, the second and the third parameters up.
    Type: Application
    Filed: November 29, 2011
    Publication date: March 22, 2012
    Applicant: HANNSTAR DISPLAY CORPORATION
    Inventors: Ming-Lin Lee, Feng-Ting Pai, Chin-Hung Hsu
  • Patent number: 8035610
    Abstract: A LCD includes a first data line, a second data line and a third data line arranged sequentially, a first scan line, a second scan line and a third scan line arranged sequentially, and a pixel array. The pixel array includes a first pixel, a second pixel, a third pixel and a fourth pixel. The first pixel has a first transistor coupled to the first data line and the second scan line. The second pixel has a second transistor coupled to the second data line and the first scan line. The third pixel has a third transistor coupled to the second data line and the second scan line. The fourth pixel has a fourth transistor coupled to the third data line and the third scan line.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: October 11, 2011
    Assignee: Novatek Microelectronics Corp.
    Inventor: Chin-Hung Hsu
  • Publication number: 20110234655
    Abstract: A driving method is provided for eliminating bright and dark lines in an LCD device. The driving method includes control different charging sequences to charge a plurality of pixels deposited in a first row and corresponding to a data line and a plurality of pixels deposited in a second row and corresponding to the data line.
    Type: Application
    Filed: March 23, 2011
    Publication date: September 29, 2011
    Inventors: Syang-Yun Tzeng, Chin-Hung Hsu