Patents by Inventor Ju-Lin Huang

Ju-Lin Huang 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: 20170018242
    Abstract: A display apparatus and a driving method of the same are provided. The display apparatus includes a display panel, a gate driver circuit, and a source driver circuit. During a functional sub-period of a frame period, the gate driver circuit simultaneously drives a plurality of gate lines, and the source driver circuit drives a plurality of source lines, so as to perform a function on a plurality of pixels connected to the gate lines. In a scan sub-period of the frame period, the gate driver circuit drives the gate lines according to a scan sequence, and the source driver circuit correspondingly drives the source lines according to the scan sequence of the gate driver circuit in the first scan sub-period, so as to display an image.
    Type: Application
    Filed: July 17, 2015
    Publication date: January 19, 2017
    Inventors: Chieh-An Lin, Jhih-Siou Cheng, Po-Hsiang Fang, Po-Yu Tseng, Ju-Lin Huang, Yi-Chuan Liu
  • Patent number: 9514666
    Abstract: A display driving module including a driving circuit portion and a non-driving circuit portion is provided. The driving circuit portion is controlled by a system circuit block. The driving circuit portion includes driving channels for driving a display panel. First ESD protection devices are disposed in the driving circuit portion corresponding to the driving channels for providing at least one discharge path. The non-driving circuit portion electrically connects the system circuit block, the driving circuit portion and the display panel. At least one of second ESD protection devices is disposed in at least one of the driving circuit portion, the non-driving circuit portion, the system circuit block and the display panel corresponding to the first ESD protection devices. The second ESD protection devices cooperate with the first ESD protection devices to provide the discharge path. An image display system including the foregoing display driving module is also provided.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: December 6, 2016
    Assignee: Novatek Microelectronics Corp.
    Inventors: Ju-Lin Huang, Jhih-Siou Cheng, Chun-Yung Cho, Chia-En Wu
  • Publication number: 20160335970
    Abstract: A display apparatus and a gate driving method thereof are provided. The display apparatus includes a display panel and a gate driver. The display panel has a plurality of gate lines. Output terminals of the gate driver are coupled to the gate lines in a one-to-one manner. The gate driver is configured to drive the gate lines according to a scrambled scan sequence.
    Type: Application
    Filed: May 11, 2015
    Publication date: November 17, 2016
    Inventors: Jhih-Siou Cheng, Po-Hsiang Fang, Po-Yu Tseng, Chieh-An Lin, Ju-Lin Huang, Yi-Chuan Liu
  • Publication number: 20160307529
    Abstract: A gate driver, a display apparatus having the same, and a gate driving method are provided. The display apparatus includes a plurality of pixels, a data driver circuit, and a gate driver circuit. The gate driver circuit includes M groups of gate channels. Each of the M groups of gate channels includes a control circuit and an output buffer. The control circuit receives a power supply voltage from a power supply circuit and generates a modulated supply voltage. The output buffer is connected to the control circuit, the output buffer is powered by the modulated supply voltage to output a gate signal to a gate line of the display panel, wherein a driving pulse of the gate signal is shaped during a charge period according to the modulated supply voltage, and the shape of the driving pulse of the gate signal is maintained during a pre-charge period.
    Type: Application
    Filed: April 16, 2015
    Publication date: October 20, 2016
    Inventors: Po-Yu Tseng, Chieh-An Lin, Po-Hsiang Fang, Jhih-Siou Cheng, Ju-Lin Huang, Yi-Chuan Liu
  • Patent number: 9467108
    Abstract: An operational amplifier circuit configured to drive a load is provided. The operational amplifier circuit includes an output stage module. The output stage module includes a detection circuit and an output stage circuit. The detection circuit is configured to detect a current output voltage and a previous output voltage based on a comparison result of a current input voltage and the current output voltage. The detection circuit enhances a charge capacity or a discharge capacity of the output stage circuit for the load based on a detection result. Furthermore, a method for enhancing the driving capacity of the operational amplifier circuit is also provided.
    Type: Grant
    Filed: June 17, 2015
    Date of Patent: October 11, 2016
    Assignee: Novatek Microelectronics Corp.
    Inventors: Chieh-An Lin, Chun-Yung Cho, Ju-Lin Huang
  • Publication number: 20160284297
    Abstract: A source driver apparatus and an operating method thereof are provided. The source driver apparatus can drive a plurality of source lines of a display panel, wherein the display panel further comprising a gate driver apparatus. The source driver apparatus includes driving channels and a delay control circuit. The driving channels output source driving signals. The delay control circuit controls the driving channels to change delay times of the source driving signals within the same period, such that the delay times of the source driving signals respectively correspond to distances from the source lines to the gate driver apparatus.
    Type: Application
    Filed: March 26, 2015
    Publication date: September 29, 2016
    Inventors: Jhih-Siou Cheng, Po-Hsiang Fang, Chieh-An Lin, Po-Yu Tseng, Ju-Lin Huang, Yi-Chuan Liu
  • Patent number: 9270112
    Abstract: A driving circuit includes several first electrostatic current limiting resistors and several digital to analog converter (DAC) units. First ends of these first electrostatic current limiting resistors common coupled to a global path to receive a reference voltage. These DAC units respectively coupled to second ends of the first electrostatic current limiting resistors one-on-one to receive the reference voltage through the first electrostatic current limiting resistors.
    Type: Grant
    Filed: April 18, 2013
    Date of Patent: February 23, 2016
    Assignee: Novatek Microelectronics Corp.
    Inventors: Ju-Lin Huang, Che-Lun Hsu, Jhih-Siou Cheng, Chun-Yung Cho
  • Patent number: 9245857
    Abstract: A chip package structure includes a package body. The package body includes a core circuit and an electrostatic discharge protection circuit. A first connection terminal electrically is connected to the core circuit. A second connection terminal electrically is connected to the electrostatic discharge protection circuit. A first interconnection structure electrically connected to the electrostatic discharge protection circuit, the second connection terminal and a third connection terminal. A first lead electrically connects the second connection terminal and an external circuit. A second lead electrically connects the first connection terminal and the third connection terminal. The second lead and the first lead are substantially separate.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: January 26, 2016
    Assignee: Novatek Microelectronics corp.
    Inventors: Jhih-Siou Cheng, Tzu-Chiang Lin, Chia-En Wu, Chun-Yung Cho, Cheng-Hung Chen, Ju-Lin Huang
  • Publication number: 20150381197
    Abstract: A digital to analog converter is disclosed. The invention provides a digital to analog converter (DAC) including a plurality of voltage transmitting switches and a selecting signal decoder. The voltage transmitting switches respectively receive a plurality of input voltages, and output terminals of the voltage transmitting switches are commonly coupled to an output terminal of the digital to analog converter. The selecting signal decoder receives a plurality of selecting signals, and generates a plurality of transmitting enable signals to control the voltage transmitting switches. Wherein only one of the voltage transmitting switches is connected between each of the input voltages and the output terminal of the digital to analog converter.
    Type: Application
    Filed: September 4, 2015
    Publication date: December 31, 2015
    Inventors: Jhih-Siou Cheng, Ju-Lin Huang, Pang-Chan Hung
  • Publication number: 20150339960
    Abstract: A display driving module including a driving circuit portion and a non-driving circuit portion is provided. The driving circuit portion is controlled by a system circuit block. The driving circuit portion includes driving channels for driving a display panel. First ESD protection devices are disposed in the driving circuit portion corresponding to the driving channels for providing at least one discharge path. The non-driving circuit portion electrically connects the system circuit block, the driving circuit portion and the display panel. At least one of second ESD protection devices is disposed in at least one of the driving circuit portion, the non-driving circuit portion, the system circuit block and the display panel corresponding to the first ESD protection devices. The second ESD protection devices cooperate with the first ESD protection devices to provide the discharge path. An image display system including the foregoing display driving module is also provided.
    Type: Application
    Filed: March 12, 2015
    Publication date: November 26, 2015
    Inventors: Ju-Lin Huang, Jhih-Siou Cheng, Chun-Yung Cho, Chia-En Wu
  • Publication number: 20150310816
    Abstract: A source driver, a control method thereof and a display device are provided. The source driver includes a plurality of first channels, a plurality of second channels, a first conductor, a second conductor, a plurality of first switches and a plurality of second switches. During a driving period, the outputs of the first channels belong to a first polarity, and the outputs of the second channels belong to a second polarity different from the first polarity. The first terminals of the first switches are coupled to the first conductor. The second terminals of the first switches are coupled to the output terminals of the first channels, respectively. The first terminals of the second switches are coupled to the second conductor. The second terminals of the second switches are coupled to the output terminals of the second channels, respectively.
    Type: Application
    Filed: April 1, 2015
    Publication date: October 29, 2015
    Inventors: Syang-Yun Tzeng, Ju-Lin Huang
  • Patent number: 9172390
    Abstract: A digital to analog converter is disclosed. The digital to analog converter includes a voltage selector, M voltage transmitting switches and a selecting signal decoder. The voltage selector receives N first voltages among a plurality of analog input voltages, and receives a plurality of digital selecting signals. The voltage selector selects at most one of the first voltages for providing to an output terminal. One terminals of the voltage transmitting switches receives M second voltages among the input voltages respectively, and the voltage transmitting switches are turned on or off according to M transmitting enable signals respectively. The selecting signal decoder generates the transmitting enable signals according to the selecting signals. Wherein, M and N are positive integers.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: October 27, 2015
    Assignee: Novatek Microelectronics Corp.
    Inventors: Jhih-Siou Cheng, Ju-Lin Huang, Pang-Chan Hung
  • Publication number: 20150295544
    Abstract: An amplifier circuit with an overshoot suppress scheme is provided. The amplifier circuit includes an input amplifier, an output amplifier and a diode device. The output amplifier is coupled to the input amplifier and outputs an output voltage. The diode device is coupled between an output end and an input end of the output amplifier. When a voltage difference between the output end and the input end of the output amplifier is greater than a barrier voltage of the diode device, the diode device is turned on, and an overshoot of the output voltage is reduced.
    Type: Application
    Filed: June 26, 2015
    Publication date: October 15, 2015
    Inventors: Chia-Wei Su, Ju-Lin Huang, Keko-Chun Liang
  • Patent number: 9159290
    Abstract: A scan driving circuit of a display apparatus is electrically connected to the display panel through a plurality of scan lines and includes a plurality of stages of driving unit. The driving unit comprises a shift control device outputting a control signal according to a starting signal and a driving device. The driving device outputs an output signal to the corresponding scan line according to the control signal, a first trigger signal and a second trigger signal. The output signal is used as the starting signal of the next stage of driving unit, and the rising transition time of the second trigger signal and the falling transition time of the first trigger signal have an overlap.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: October 13, 2015
    Assignee: Innolux Corporation
    Inventors: Ju-Lin Huang, Chien-Hsueh Chiang, Yu-Shiuan Lee, Zen-Chieh Chang
  • Publication number: 20150280664
    Abstract: An operational amplifier circuit configured to drive a load is provided. The operational amplifier circuit includes an output stage module. The output stage module includes a detection circuit and an output stage circuit. The detection circuit is configured to detect a current output voltage and a previous output voltage based on a comparison result of a current input voltage and the current output voltage. The detection circuit enhances a charge capacity or a discharge capacity of the output stage circuit for the load based on a detection result. Furthermore, a method for enhancing the driving capacity of the operational amplifier circuit is also provided.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 1, 2015
    Inventors: Chieh-An Lin, Chun-Yung Cho, Ju-Lin Huang
  • Patent number: 9142169
    Abstract: A digital to analog converter for a source driver chip of a liquid crystal display device is disclosed. The digital to analog converter comprises an output terminal for outputting an output voltage, a plurality of receiving terminals for receiving a plurality of Gamma voltages, and a plurality of transmission paths comprising a plurality of first-type transistors coupled between the plurality of receiving terminals and the output terminal, respectively, for outputting one of the plurality of Gamma voltages as the output voltage according to a digital select signal; wherein a first transmission path corresponding to a first receiving terminal receiving a first Gamma voltage closest to a middle voltage among the plurality of Gamma voltages has lower on-resistance than other transmission paths among the plurality of transmission paths when a same source-to-gate voltage is applied.
    Type: Grant
    Filed: January 8, 2013
    Date of Patent: September 22, 2015
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Jhih-Siou Cheng, Ju-Lin Huang, Pang-Chan Hung
  • Publication number: 20150262943
    Abstract: A chip package structure includes a package body. The package body includes a core circuit and an electrostatic discharge protection circuit. A first connection terminal electrically is connected to the core circuit. A second connection terminal electrically is connected to the electrostatic discharge protection circuit. A first interconnection structure electrically connected to the electrostatic discharge protection circuit, the second connection terminal and a third connection terminal. A first lead electrically connects the second connection terminal and an external circuit. A second lead electrically connects the first connection terminal and the third connection terminal. The second lead and the first lead are substantially separate.
    Type: Application
    Filed: June 1, 2015
    Publication date: September 17, 2015
    Inventors: Jhih-Siou Cheng, Tzu-Chiang Lin, Chia-En Wu, Chun-Yung Cho, Cheng-Hung Chen, Ju-Lin Huang
  • Publication number: 20150262537
    Abstract: A gamma voltage generating apparatus and a method for generating a gamma voltage are provided. The gamma voltage generating apparatus includes a plurality of digital-to-analog converter units, a resister string and a plurality of selecting units. The digital-to-analog converter units generate a plurality of curve reference voltages. The resister string includes a plurality of resistors connected in series with each other to provide a plurality of endpoints. A part of the endpoints are set to be a plurality of curve turning intervals. Each of the selecting units respectively corresponds to each of the digital-to-analog converter units and each of the curve turning intervals. Each of the selecting units selectively provides each of the curve reference voltages to one of the endpoints of a corresponding of the curve turning intervals.
    Type: Application
    Filed: June 4, 2014
    Publication date: September 17, 2015
    Applicant: Novatek Microelectronics Corp.
    Inventor: Ju-Lin Huang
  • Patent number: 9106189
    Abstract: An operational amplifier circuit configured to drive a load is provided. The operational amplifier circuit includes an output stage module. The output stage module includes a detection circuit and an output stage circuit. The detection circuit is configured to detect a current output voltage and a previous output voltage based on a comparison result of a current input voltage and the current output voltage. The detection circuit enhances a charge capacity or a discharge capacity of the output stage circuit for the load based on a detection result. Furthermore, a method for enhancing the driving capacity of the operational amplifier circuit is also provided.
    Type: Grant
    Filed: September 2, 2013
    Date of Patent: August 11, 2015
    Assignee: Novatek Microelectronics Corp.
    Inventors: Chieh-An Lin, Chun-Yung Cho, Ju-Lin Huang
  • Patent number: 9048243
    Abstract: A chip package structure includes a package body, a first lead and a second lead. Elements embedded inside the package body include a core circuit having at least one first connection terminal, at least one ESD protection circuit having at least one second connection terminal, at least one third connection terminal and at least one interconnection structure. The interconnection structure is electrically connected to the second connection terminal and the third connection terminal. The first lead on the package body is electrically connected to the second connection terminal and an external circuit. The second lead on the package body electrically connects the first connection terminal and the third connection terminal. The second lead and the first lead are separate in structure.
    Type: Grant
    Filed: November 12, 2012
    Date of Patent: June 2, 2015
    Assignee: Novatek Microelectronics Corp.
    Inventors: Jhih-Siou Cheng, Tzu-Chiang Lin, Chia-En Wu, Chun-Yung Cho, Cheng-Hung Chen, Ju-Lin Huang