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).
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Publication number: 20160253948Abstract: 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: ApplicationFiled: May 12, 2016Publication date: September 1, 2016Inventor: Chin-Hung Hsu
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Patent number: 9373293Abstract: 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: GrantFiled: August 9, 2013Date of Patent: June 21, 2016Assignee: Novatek Microelectronics Corp.Inventor: Chin-Hung Hsu
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Publication number: 20160118010Abstract: 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: ApplicationFiled: May 14, 2015Publication date: April 28, 2016Inventors: Chin-Hung Hsu, Hsiu-Hui Yang, Te-Hsien Kuo
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Publication number: 20160071477Abstract: 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: ApplicationFiled: May 26, 2015Publication date: March 10, 2016Inventors: Chin-Hung Hsu, I-Chun Kuo
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Patent number: 9240157Abstract: 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: GrantFiled: April 26, 2011Date of Patent: January 19, 2016Assignee: NOVATEK Microelectronics Corp.Inventors: Chin-Hung Hsu, Yu-Ming Chang
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Patent number: 9142194Abstract: 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: GrantFiled: April 11, 2014Date of Patent: September 22, 2015Assignee: NOVATEK Microelectronics Corp.Inventors: Chin-Hung Hsu, Yu-Ming Chang
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Publication number: 20150161959Abstract: 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: ApplicationFiled: November 3, 2014Publication date: June 11, 2015Inventors: Chin-Hung Hsu, Yu-Ming Chang, Chao-Chih Hsiao, Po-Ching Li
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Publication number: 20150154942Abstract: 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: ApplicationFiled: April 11, 2014Publication date: June 4, 2015Applicant: NOVATEK Microelectronics Corp.Inventors: Chin-Hung Hsu, Yu-Ming Chang
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Publication number: 20150023649Abstract: 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: ApplicationFiled: October 14, 2013Publication date: January 22, 2015Applicant: ALI CorporationInventors: Houng-Jyh Wang, Chin-Hung Hsu
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Patent number: 8878764Abstract: 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: GrantFiled: September 15, 2008Date of Patent: November 4, 2014Assignee: NOVATEK Microelectronics Corp.Inventors: Chin-Hung Hsu, Yueh-Hsiu Liu, Chih-Chiang Chuang, Li-Jun Chen
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Publication number: 20140132588Abstract: 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: ApplicationFiled: August 9, 2013Publication date: May 15, 2014Applicant: Novatek Microelectronics Corp.Inventor: Chin-Hung Hsu
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Publication number: 20130161616Abstract: 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: ApplicationFiled: April 4, 2012Publication date: June 27, 2013Inventors: Chir-Hsiang Hsu, Chin-Hung Hsu, Chih-Chiang Chan, Hai-Lun Chen
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Patent number: 8456464Abstract: 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: GrantFiled: March 12, 2009Date of Patent: June 4, 2013Assignee: NOVATEK Microelectronics Corp.Inventors: Chin-Hung Hsu, Chu-Ya Hsiao
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Publication number: 20130021306Abstract: 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: ApplicationFiled: November 1, 2011Publication date: January 24, 2013Applicant: NOVATEK MICROELECTRONICS CORP.Inventors: Te-Hsien Kuo, Hsiu-Hui Yang, Chin-Hung Hsu
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Publication number: 20130009917Abstract: 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: ApplicationFiled: October 13, 2011Publication date: January 10, 2013Inventor: Chin-Hung Hsu
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Publication number: 20120206327Abstract: 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: ApplicationFiled: April 19, 2012Publication date: August 16, 2012Applicant: NOVATEK MICROELECTRONICS CORP.Inventor: Chin-Hung Hsu
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Publication number: 20120154356Abstract: 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: ApplicationFiled: April 26, 2011Publication date: June 21, 2012Inventors: Chin-Hung Hsu, Yu-Ming Chang
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Publication number: 20120069044Abstract: 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: ApplicationFiled: November 29, 2011Publication date: March 22, 2012Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Ming-Lin Lee, Feng-Ting Pai, Chin-Hung Hsu
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Patent number: 8035610Abstract: 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: GrantFiled: August 17, 2007Date of Patent: October 11, 2011Assignee: Novatek Microelectronics Corp.Inventor: Chin-Hung Hsu
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Publication number: 20110234655Abstract: 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: ApplicationFiled: March 23, 2011Publication date: September 29, 2011Inventors: Syang-Yun Tzeng, Chin-Hung Hsu