Patents by Inventor Chen-Tsung Wu

Chen-Tsung Wu 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: 11955405
    Abstract: A semiconductor package includes a package substrate; semiconductor devices disposed on the package substrate; a package ring disposed on a perimeter of the package substrate surrounding the semiconductor devices; a cover including silicon bonded to the package ring and covering the semiconductor devices; and a thermal interface structure (TIS) thermally connecting the semiconductor devices to the cover.
    Type: Grant
    Filed: January 17, 2022
    Date of Patent: April 9, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Jen Yu Wang, Chung-Jung Wu, Sheng-Tsung Hsiao, Tung-Liang Shao, Chih-Hang Tung, Chen-Hua Yu
  • Patent number: 11015914
    Abstract: A capacitive image sensing device and a capacitive image sensing method are provided. The capacitive image sensing device includes a sensor array, a first charge amplifier, a second charge amplifier, a differential amplifier and a first switching circuit. The sensor array includes a plurality of sensing electrodes and a first reference sensing electrode. An input terminal of the first charge amplifier is coupled to one of the sensing electrodes. A first input terminal of the differential amplifier is selectively coupled to an output terminal of the first charge amplifier. A second input terminal of the differential amplifier is coupled to an output terminal of the second charge amplifier. The first switching circuit is configured to selectively electrically connect and disconnect the first reference sensing electrode and the input terminal of the second charge amplifier.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: May 25, 2021
    Assignee: Novatek Microelectronics Corp.
    Inventors: Chen-Tsung Wu, Ji-Ting Chen
  • Publication number: 20200232780
    Abstract: A capacitive image sensing device and a capacitive image sensing method are provided. The capacitive image sensing device includes a sensor array, a first charge amplifier, a second charge amplifier, a differential amplifier and a first switching circuit. The sensor array includes a plurality of sensing electrodes and a first reference sensing electrode. An input terminal of the first charge amplifier is coupled to one of the sensing electrodes. A first input terminal of the differential amplifier is selectively coupled to an output terminal of the first charge amplifier. A second input terminal of the differential amplifier is coupled to an output terminal of the second charge amplifier. The first switching circuit is configured to selectively electrically connect and disconnect the first reference sensing electrode and the input terminal of the second charge amplifier.
    Type: Application
    Filed: January 21, 2019
    Publication date: July 23, 2020
    Applicant: Novatek Microelectronics Corp.
    Inventors: Chen-Tsung Wu, Ji-Ting Chen
  • Patent number: 9971370
    Abstract: A voltage regulator including a voltage amplifier, a first output-stage, an AC-pass filter, a current amplifier, a second output-stage and a gain circuit is provided. Output terminals of the first and the second output-stages jointly provide the output voltage of the voltage regulator. Two input terminals of the voltage amplifier respectively receive a reference voltage and the output voltage. An input terminal of the first output-stage is coupled to an output terminal of the voltage amplifier. Two input terminals of the current amplifier respectively receive a reference current and the AC component of the output voltage. An input terminal of the second output-stage is coupled to an output terminal of the current amplifier. An input terminal of the gain circuit is coupled to the output terminal of the voltage amplifier. An output terminal of the gain circuit is coupled to the input terminal of the second output-stage.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: May 15, 2018
    Assignee: Novatek Microelectronics Corp.
    Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu, Juin-Wei Huang, Pin-Han Su
  • Publication number: 20170108883
    Abstract: A voltage regulator including a voltage amplifier, a first output-stage, an AC-pass filter, a current amplifier, a second output-stage and a gain circuit is provided. Output terminals of the first and the second output-stages jointly provide the output voltage of the voltage regulator. Two input terminals of the voltage amplifier respectively receive a reference voltage and the output voltage. An input terminal of the first output-stage is coupled to an output terminal of the voltage amplifier. Two input terminals of the current amplifier respectively receive a reference current and the AC component of the output voltage. An input terminal of the second output-stage is coupled to an output terminal of the current amplifier. An input terminal of the gain circuit is coupled to the output terminal of the voltage amplifier. An output terminal of the gain circuit is coupled to the input terminal of the second output-stage.
    Type: Application
    Filed: October 19, 2015
    Publication date: April 20, 2017
    Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu, Juin-Wei Huang, Pin-Han Su
  • Patent number: 9494959
    Abstract: A current source for quickly adjusting an output current includes a constant current generation module, coupled to a control node, for generating a predefined current flowing through the control node in order to determine a voltage of the control node; a capacitor, coupled to an output terminal of the current source; a current variation detection module, coupled between the control node and the capacitor, for generating a variation on the voltage of the control node via the capacitor when the output terminal of the current source receives an instant current variation; and a trans-conductance amplifier, coupled between the control node and the output terminal, for changing a magnitude of the output current of the output terminal when the variation on the voltage of the control node is generated.
    Type: Grant
    Filed: November 25, 2014
    Date of Patent: November 15, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu, Chun-Wei Huang, Pin-Han Su
  • Patent number: 9471075
    Abstract: A compensation module for a voltage regulation device having a gain stage, an output stage and a miller compensation module includes a low-output-impedance non-inverting amplifier unit coupled to a gain output of the gain stage and an output-stage input of the output stage.
    Type: Grant
    Filed: March 27, 2014
    Date of Patent: October 18, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Min-Hung Hu, Pin-Han Su, Chun-Wei Huang, Chen-Tsung Wu, Chiu-Huang Huang
  • Patent number: 9459647
    Abstract: The present invention provides a bandgap reference circuit. The bandgap reference circuit includes a first bipolar junction transistor, a first resistor, for generating a proportional to absolute temperature current, a second resistor, for generating a complementary to absolute temperature current, a first operational amplifier, coupled with the first bipolar junction transistor and the first resistor, a second operational amplifier, coupled with the first bipolar junction transistor and the second resistor, and a zero temperature correlated current generator, for summing the proportional to absolute temperature current and the complementary to absolute temperature current, to generate a zero temperature correlated current.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: October 4, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Min-Hung Hu, Zhen-Guo Ding, Chen-Tsung Wu
  • Patent number: 9411354
    Abstract: A device of triggering and generating temperature coefficient current for generating a temperature coefficient current includes a positive temperature coefficient current generating unit, for generating a first positive temperature coefficient current, a negative temperature coefficient current generating unit, for generating a first negative temperature coefficient current, and a triggering unit, for triggering to generate the temperature coefficient current according to a triggering temperature and a current difference between the first positive temperature coefficient current and the first negative temperature coefficient current.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: August 9, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Min-Hung Hu, Chen-Tsung Wu
  • Patent number: 9389623
    Abstract: A voltage converting device with a self-reference feature for an electronic system includes a differential current generating module, implemented in a Complementary metal-oxide-semiconductor (CMOS) processing for generating a differential current pair according to a converting voltage; and a voltage converting module, coupled to the differential current generating module, a first supply voltage and a second supply voltage of the electronic system for generating the converting voltage according to the differential current pair, the first supply voltage and the second supply voltage.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: July 12, 2016
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Min-Hung Hu, Pin-Han Su, Chen-Tsung Wu, Chiu-Huang Huang, Chun-Wei Huang
  • Publication number: 20160011615
    Abstract: A current source for quickly adjusting an output current includes a constant current generation module, coupled to a control node, for generating a predefined current flowing through the control node in order to determine a voltage of the control node; a capacitor, coupled to an output terminal of the current source; a current variation detection module, coupled between the control node and the capacitor, for generating a variation on the voltage of the control node via the capacitor when the output terminal of the current source receives an instant current variation; and a trans-conductance amplifier, coupled between the control node and the output terminal, for changing a magnitude of the output current of the output terminal when the variation on the voltage of the control node is generated.
    Type: Application
    Filed: November 25, 2014
    Publication date: January 14, 2016
    Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu, Chun-Wei Huang, Pin-Han Su
  • Patent number: 9213349
    Abstract: The present invention discloses a bandgap reference circuit. The bandgap reference circuit includes an operational transconductance amplifier, and a reference generation circuit. The operational transconductance amplifier includes a self-biased operational transconductance amplifier, for utilizing an area difference between bipolar junction transistors of an input pair to generate a first positive temperature coefficient current to bias the input pair, and generating a positive temperature coefficient control voltage and a negative temperature coefficient control voltage; and a feedback voltage amplifier, for amplifying the negative temperature coefficient control voltage, and outputting a reference voltage to the input pair for feedback, to generate a first negative temperature coefficient current. The reference generation circuit generates a summation voltage or a summation current according to the positive temperature coefficient control voltage and the negative temperature coefficient control voltage.
    Type: Grant
    Filed: September 1, 2013
    Date of Patent: December 15, 2015
    Assignee: NOVATEK Microelectronics Corp.
    Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu
  • Patent number: 9093896
    Abstract: A multi-power domain operational amplifier includes an input stage circuit, a power domain transforming circuit and an active load. The input stage circuit is configured to transform a set of input voltages into a set of input currents in a first power domain. The power domain transforming circuit is configured to transform the set of input currents into a set of output currents in a second power domain. The active load is configured to generate an output voltage according to the set of output currents. A common mode range of the output voltage is shifted as compared with a common mode range of the set of input voltages.
    Type: Grant
    Filed: November 7, 2014
    Date of Patent: July 28, 2015
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu
  • Patent number: 9093895
    Abstract: A multi-power domain operational amplifier includes an input stage circuit, a power domain transforming circuit and an active load. The input stage circuit is configured to transform a set of input voltages into a set of input currents in a first power domain. The power domain transforming circuit is configured to transform the set of input currents into a set of output currents in a second power domain. The active load is configured to generate an output voltage according to the set of output currents. A common mode range of the output voltage is shifted as compared with a common mode range of the set of input voltages.
    Type: Grant
    Filed: July 25, 2012
    Date of Patent: July 28, 2015
    Assignee: NOVATEK MICROELECTRONICS CORP.
    Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu
  • Publication number: 20150061629
    Abstract: A multi-power domain operational amplifier includes an input stage circuit, a power domain transforming circuit and an active load. The input stage circuit is configured to transform a set of input voltages into a set of input currents in a first power domain. The power domain transforming circuit is configured to transform the set of input currents into a set of output currents in a second power domain. The active load is configured to generate an output voltage according to the set of output currents. A common mode range of the output voltage is shifted as compared with a common mode range of the set of input voltages.
    Type: Application
    Filed: November 7, 2014
    Publication date: March 5, 2015
    Applicant: NOVATEK MICROELECTRONICS CORP.
    Inventors: Min-Hung HU, Chiu-Huang HUANG, Chen-Tsung WU
  • Publication number: 20150042297
    Abstract: A voltage converting device with a self-reference feature for an electronic system includes a differential current generating module, implemented in a Complementary metal-oxide-semiconductor (CMOS) processing for generating a differential current pair according to a converting voltage; and a voltage converting module, coupled to the differential current generating module, a first supply voltage and a second supply voltage of the electronic system for generating the converting voltage according to the differential current pair, the first supply voltage and the second supply voltage.
    Type: Application
    Filed: December 20, 2013
    Publication date: February 12, 2015
    Applicant: NOVATEK Microelectronics Corp.
    Inventors: Min-Hung Hu, Pin-Han Su, Chen-Tsung Wu, Chiu-Huang Huang, Chun-Wei Huang
  • Publication number: 20140306676
    Abstract: A compensation module for a voltage regulation device having a gain stage, an output stage and a miller compensation module includes a low-output-impedance non-inverting amplifier unit coupled to a gain output of the gain stage and an output-stage input of the output stage.
    Type: Application
    Filed: March 27, 2014
    Publication date: October 16, 2014
    Applicant: NOVATEK Microelectronics Corp.
    Inventors: Min-Hung Hu, Pin-Han Su, Chun-Wei Huang, Chen-Tsung Wu, Chiu-Huang Huang
  • Patent number: 8766611
    Abstract: A reference voltage generation circuit includes: a bandgap reference circuit, generating a plurality of initial currents with different temperature coefficients; a base voltage generation circuit, combining the initial current into a combined current, and converting the combined current into one or more base voltages; a bias current source circuit, generating one or more bias currents based on at least one of the initial currents; and one or more regulating output circuit, each converting a respective one of the one or more bias currents into an increment voltage and adding the increment voltage to the base voltage to generate a respective output voltage. Each output voltage may have its respective temperature coefficient.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: July 1, 2014
    Assignee: Novatek Microelectronics Corp.
    Inventors: Min-Hung Hu, Chen-Tsung Wu, Zhen-Guo Ding, Pin-Han Su
  • Publication number: 20140091780
    Abstract: A reference voltage generator including a reference voltage generating unit is provided. The reference voltage generating unit receives a first bias voltage current and a first mirror current and generates a reference voltage. The reference voltage generating unit includes a first metal-oxide-semiconductor (MOS) transistor, a second MOS transistor, a first impedance providing element and a second impedance providing element. The first and the second MOS transistors operate in a sub-threshold region so as to generate a first gate-source voltage and a second gate-source voltage having a negative temperature coefficient. The first impedance providing element is configured to generate a first current having a positive temperature coefficient. The second impedance providing element is configured to generate a first voltage having a negative temperature coefficient at its first terminal. The reference voltage is equal to a sum of the second gate-source voltage and the first voltage.
    Type: Application
    Filed: June 26, 2013
    Publication date: April 3, 2014
    Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu, Juin-Wei Huang, Pin-Han Su
  • Publication number: 20140077789
    Abstract: The present invention discloses a bandgap reference circuit. The bandgap reference circuit includes an operational transconductance amplifier, and a reference generation circuit. The operational transconductance amplifier includes a self-biased operational transconductance amplifier, for utilizing an area difference between bipolar junction transistors of an input pair to generate a first positive temperature coefficient current to bias the input pair, and generating a positive temperature coefficient control voltage and a negative temperature coefficient control voltage; and a feedback voltage amplifier, for amplifying the negative temperature coefficient control voltage, and outputting a reference voltage to the input pair for feedback, to generate a first negative temperature coefficient current. The reference generation circuit generates a summation voltage or a summation current according to the positive temperature coefficient control voltage and the negative temperature coefficient control voltage.
    Type: Application
    Filed: September 1, 2013
    Publication date: March 20, 2014
    Applicant: NOVATEK Microelectronics Corp.
    Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu