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: 20200243041
    Abstract: A timing controller and an operation method thereof are provided. The timing controller includes a transmitter circuit and a control circuit. The control circuit ends a normal mode and enter a swing boost mode when quality of data signal is detected to be deteriorated in the normal mode. In the swing boost mode, the control circuit boosts the swing of the data signal to be higher than a normal level of the data signal in the normal mode.
    Type: Application
    Filed: April 10, 2020
    Publication date: July 30, 2020
    Applicant: Novatek Microelectronics Corp.
    Inventors: Syang-Yun Tzeng, Cheng-Kai Kuei, Chin-Hung Hsu
  • Publication number: 20200234669
    Abstract: A method of controlling image data includes the steps of: detecting a frame of image data to determine an image pattern of the frame of image data; and determining to output the frame of image data with one of a plurality of configurations according to the image pattern. Wherein, a first configuration among the plurality of configurations indicates that the frame of image data is outputted in a first sequence and a second configuration among the plurality of configurations indicates that the frame of image data is outputted in a second sequence different from the first sequence.
    Type: Application
    Filed: July 1, 2019
    Publication date: July 23, 2020
    Inventors: Te-Hsien Kuo, Chin-Hung Hsu
  • Patent number: 10643574
    Abstract: A timing controller and an operation method thereof are provided. The timing controller includes a transmitter circuit and a control circuit. The control circuit ends a normal mode to enter a swing boost mode when a lock signal fed back by a source driving circuit indicates that quality of data signal is deteriorated in the normal mode. In the swing boost mode, the control circuit controls the transmitter circuit to boost the swing of the data signal from a normal level to a high level. The control circuit ends the swing boost mode and enters a clock training mode when the source driving circuit causes loss of lock to the data signal in the swing boost mode. In the clock training mode, the control circuit controls the transmitter circuit to employ a clock training data string as the data signal to transmit to the source driving circuit.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: May 5, 2020
    Assignee: Novatek Microelectronics Corp.
    Inventors: Syang-Yun Tzeng, Cheng-Kai Kuei, Chin-Hung Hsu
  • Patent number: 10621901
    Abstract: A display panel includes a plurality of data lines, a plurality of scan lines, a plurality of subpixels and a plurality of first demultiplexers. Each of the plurality of subpixels is coupled to at least two of the plurality of data lines and at least two of the plurality of scan lines. Each of the plurality of first demultiplexers is coupled to at least two of the plurality of scan lines.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: April 14, 2020
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chin-Hung Hsu, Te-Hsien Kuo
  • Publication number: 20200013343
    Abstract: The invention provides a display panel driving apparatus and a driving method thereof. The display panel driving apparatus includes a source driver circuit and a timing controller circuit. The source driver circuit loads data to data lines of the display panel in load data periods. The timing controller circuit controls the source driver circuit for dynamically configuring a time length of one of the load data periods according to whether charge sharing occurs. When a charge sharing operation is not performed on at least two of the data lines in the load data period, the load data period has a first time length. When the charge sharing operation is performed on at least two of the data lines in the load data period, the load data period has a second time length longer than the first time length.
    Type: Application
    Filed: July 6, 2018
    Publication date: January 9, 2020
    Applicant: Novatek Microelectronics Corp.
    Inventors: Pang-Jen Chiang, Jen-Chieh Hu, Chin-Hung Hsu
  • Publication number: 20190369744
    Abstract: A light guide plate provided for a luminous keyboard is disclosed. The light guide plate includes a main body, a first bump pair, a second bump pair, and many microstructure patterns. The main body has a light output surface and many press button installation areas defined thereon, each of the press button installation areas is arranged to fix a press key structure. The first bump pair and the second bump pair are integrally and seamlessly protruded from the main body. Each of the first bump pair has a first recess, and each of the second bump pair has a second recess. The first recess and the second recess are configured opposite to each other, and provided for assembling the press key structure. The microstructure patterns are formed next to the first and second bump pairs to abstract light by destructing the total reflection in the main body.
    Type: Application
    Filed: May 16, 2019
    Publication date: December 5, 2019
    Inventors: FAN-WEI WU, CHIN-HUNG HSU
  • Publication number: 20190339564
    Abstract: A method for reducing operating temperature of a source driving circuit and a display system are provided. The method for reducing operating temperature of a source driving circuit includes enabling an over-temperature protection operation; and transmitting a first signal to a timing controller in response to detecting a temperature increasing to be higher than a first threshold temperature, wherein the timing controller is configured to operate a temperature reducing operation in response to receiving the first signal.
    Type: Application
    Filed: May 2, 2019
    Publication date: November 7, 2019
    Inventors: Han-Kun Wu, Chin-Hung Hsu
  • Publication number: 20190340993
    Abstract: A method for reducing operating temperature of a source driving circuit and a display system are provided. The method for reducing operating temperature of a source driving circuit includes enabling an over-temperature protection operation by the source driving circuit; and transmitting, by the source driving circuit, a first signal to a timing controller in response to detecting a temperature increasing to be higher than the first threshold temperature, wherein the timing controller is configured to operate a temperature reducing operation in response to receiving the first signal.
    Type: Application
    Filed: May 2, 2019
    Publication date: November 7, 2019
    Inventors: Sheng-Wen Lai, Te-Hsien Kuo, Han-Kun Wu, Chin-Hung Hsu
  • Patent number: 10438553
    Abstract: A method of handling operation of a source driver of a display system used in a timing controller of a display system, which is coupled to the source driver via a data bus for delivering a plurality of line data, includes determining whether a first line data among the plurality of line data is identical to a second line data among the plurality of line data previous to the first line data; and transmitting a sleep command to the source driver when the first line data is determined to be identical to the second line data, wherein the sleep command instructs the source driver to enter a sleep mode; wherein the source driver stops receiving the plurality of line data from the timing controller when the source driver is in the sleep mode.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: October 8, 2019
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Cheng-Kai Kuei, Sheng-Wen Lai, Chin-Hung Hsu
  • Patent number: 10403224
    Abstract: A control method for charging time sharing in a display apparatus, which includes receiving image data including a plurality of pixel data signals corresponding to a plurality of display driving periods, each display driving period associated with pixel data signals of a respective row of the display apparatus, calculating a plurality of gray variations corresponding to the plurality of display driving periods according to the plurality of pixel data signals, adjusting the plurality of display driving periods to generate a plurality of adjusted display driving periods according to the plurality of gray variations, and generating a gate clock signal according to the plurality of adjusted display driving periods.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: September 3, 2019
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chin-Hung Hsu, Han-Ying Chang, Yu-Shiuan Shen
  • Publication number: 20190237042
    Abstract: A driving circuit and an anti-interference method thereof are provided. The driving circuit includes a source driver. The source driver is configured to be controlled by a timing controller. The source driver is configured to adjust at least one of an operation frequency and a receiving bandwidth of a source driving circuit of the source driver when at least one of the timing controller and the source driver detects that an interference event occurs.
    Type: Application
    Filed: January 30, 2019
    Publication date: August 1, 2019
    Applicant: Novatek Microelectronics Corp.
    Inventors: Jen-Chieh Hu, Chin-Hung Hsu
  • Publication number: 20190237041
    Abstract: A timing controller and an operation method thereof are provided. The timing controller includes a transmitter circuit and a control circuit. The control circuit ends a normal mode to enter a swing boost mode when a lock signal fed back by a source driving circuit indicates that quality of data signal is deteriorated in the normal mode. In the swing boost mode, the control circuit controls the transmitter circuit to boost the swing of the data signal from a normal level to a high level. The control circuit ends the swing boost mode and enters a clock training mode when the source driving circuit causes loss of lock to the data signal in the swing boost mode. In the clock training mode, the control circuit controls the transmitter circuit to employ a clock training data string as the data signal to transmit to the source driving circuit.
    Type: Application
    Filed: January 10, 2019
    Publication date: August 1, 2019
    Applicant: Novatek Microelectronics Corp.
    Inventors: Syang-Yun Tzeng, Cheng-Kai Kuei, Chin-Hung Hsu
  • Publication number: 20190236996
    Abstract: An integrated circuit (IC), a display device and an anti-interference method thereof are provided. The IC includes an input pad, a source driving circuit and an anti-interference circuit. The input pad receives an input signal comprising image data from the external. The source driving circuit is coupled to the input pad to receive the input signal. The anti-interference circuit is coupled to the input pad to provide a variable capacitance. The anti-interference circuit adjusts the variable capacitance from a normal capacitance value to at least one anti-interference capacitance value when an interference event occurs to the input signal. The anti-interference circuit maintains the variable capacitance at the normal capacitance value when the interference event does not occur.
    Type: Application
    Filed: January 30, 2019
    Publication date: August 1, 2019
    Applicant: Novatek Microelectronics Corp.
    Inventors: Hsi-Mao Yu, Chin-Hung Hsu
  • Publication number: 20190156725
    Abstract: A display panel includes a plurality of data lines, a plurality of scan lines, a plurality of subpixels and a plurality of first demultiplexers. Each of the plurality of subpixels is coupled to at least two of the plurality of data lines and at least two of the plurality of scan lines. Each of the plurality of first demultiplexers is coupled to at least two of the plurality of scan lines.
    Type: Application
    Filed: March 29, 2018
    Publication date: May 23, 2019
    Inventors: Chin-Hung Hsu, Te-Hsien Kuo
  • Publication number: 20180374443
    Abstract: A method of handling operation of a source driver of a display system used in a timing controller of a display system, which is coupled to the source driver via a data bus for delivering a plurality of line data, includes determining whether a first line data among the plurality of line data is identical to a second line data among the plurality of line data previous to the first line data; and transmitting a sleep command to the source driver when the first line data is determined to be identical to the second line data, wherein the sleep command instructs the source driver to enter a sleep mode; wherein the source driver stops receiving the plurality of line data from the timing controller when the source driver is in the sleep mode.
    Type: Application
    Filed: June 26, 2017
    Publication date: December 27, 2018
    Inventors: Cheng-Kai Kuei, Sheng-Wen Lai, Chin-Hung Hsu
  • Publication number: 20180374427
    Abstract: A source driver of a display system includes a plurality of channels, and each of the plurality of channels includes a first latch, a second latch, an output driver and a comparator. The first latch receives a first data code and a second data code from a timing controller of the display system. The second latch receives the first data code from the first latch. The output driver is used for transmitting the first data code to a display panel of the display system. The comparator, coupled to the first latch, the second latch and the output driver, is used for comparing the first data code stored in the second latch with the second data code stored in the first latch, to generate a signal indicating a power level for the output driver to transmit the second data code.
    Type: Application
    Filed: July 23, 2017
    Publication date: December 27, 2018
    Inventors: Cheng-Kai Kuei, Chin-Hung Hsu
  • Publication number: 20180047361
    Abstract: A control method for charging time sharing in a display apparatus, which includes receiving image data including a plurality of pixel data signals corresponding to a plurality of display driving periods, each display driving period associated with pixel data signals of a respective row of the display apparatus, calculating a plurality of gray variations corresponding to the plurality of display driving periods according to the plurality of pixel data signals, adjusting the plurality of display driving periods to generate a plurality of adjusted display driving periods according to the plurality of gray variations, and generating a gate clock signal according to the plurality of adjusted display driving periods.
    Type: Application
    Filed: August 10, 2016
    Publication date: February 15, 2018
    Inventors: Chin-Hung Hsu, Han-Ying Chang, Yu-Shiuan Shen
  • Patent number: 9530377
    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: Grant
    Filed: May 26, 2015
    Date of Patent: December 27, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Chin-Hung Hsu, I-Chun Kuo
  • Publication number: 20160365053
    Abstract: A method of controlling data display on a panel includes displaying a first row data by turning on a first scan line; comparing a plurality of row data with the first row data, to generate a comparison result; determining an order of displaying the plurality of row data according to the comparison result; and outputting the plurality of row data and turning on a plurality of scan lines corresponding to the plurality of row data in the order, to display the plurality of row data in the order.
    Type: Application
    Filed: June 10, 2015
    Publication date: December 15, 2016
    Inventors: Chin-Hung Hsu, Te-Hsien Kuo, Han-Ying Chang
  • Patent number: 9503779
    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: Grant
    Filed: October 14, 2013
    Date of Patent: November 22, 2016
    Assignee: ALI Corporation
    Inventors: Houng-Jyh Wang, Chin-Hung Hsu