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).
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Patent number: 11955405Abstract: 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: GrantFiled: January 17, 2022Date of Patent: April 9, 2024Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Jen Yu Wang, Chung-Jung Wu, Sheng-Tsung Hsiao, Tung-Liang Shao, Chih-Hang Tung, Chen-Hua Yu
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Patent number: 11015914Abstract: 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: GrantFiled: January 21, 2019Date of Patent: May 25, 2021Assignee: Novatek Microelectronics Corp.Inventors: Chen-Tsung Wu, Ji-Ting Chen
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Publication number: 20200232780Abstract: 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: ApplicationFiled: January 21, 2019Publication date: July 23, 2020Applicant: Novatek Microelectronics Corp.Inventors: Chen-Tsung Wu, Ji-Ting Chen
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Patent number: 9971370Abstract: 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: GrantFiled: October 19, 2015Date of Patent: May 15, 2018Assignee: Novatek Microelectronics Corp.Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu, Juin-Wei Huang, Pin-Han Su
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Publication number: 20170108883Abstract: 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: ApplicationFiled: October 19, 2015Publication date: April 20, 2017Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu, Juin-Wei Huang, Pin-Han Su
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Patent number: 9494959Abstract: 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: GrantFiled: November 25, 2014Date of Patent: November 15, 2016Assignee: NOVATEK Microelectronics Corp.Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu, Chun-Wei Huang, Pin-Han Su
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Patent number: 9471075Abstract: 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: GrantFiled: March 27, 2014Date of Patent: October 18, 2016Assignee: NOVATEK Microelectronics Corp.Inventors: Min-Hung Hu, Pin-Han Su, Chun-Wei Huang, Chen-Tsung Wu, Chiu-Huang Huang
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Patent number: 9459647Abstract: 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: GrantFiled: June 8, 2011Date of Patent: October 4, 2016Assignee: NOVATEK Microelectronics Corp.Inventors: Min-Hung Hu, Zhen-Guo Ding, Chen-Tsung Wu
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Patent number: 9411354Abstract: 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: GrantFiled: July 9, 2012Date of Patent: August 9, 2016Assignee: NOVATEK Microelectronics Corp.Inventors: Min-Hung Hu, Chen-Tsung Wu
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Patent number: 9389623Abstract: 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: GrantFiled: December 20, 2013Date of Patent: July 12, 2016Assignee: NOVATEK Microelectronics Corp.Inventors: Min-Hung Hu, Pin-Han Su, Chen-Tsung Wu, Chiu-Huang Huang, Chun-Wei Huang
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Publication number: 20160011615Abstract: 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: ApplicationFiled: November 25, 2014Publication date: January 14, 2016Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu, Chun-Wei Huang, Pin-Han Su
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Patent number: 9213349Abstract: 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: GrantFiled: September 1, 2013Date of Patent: December 15, 2015Assignee: NOVATEK Microelectronics Corp.Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu
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Patent number: 9093896Abstract: 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: GrantFiled: November 7, 2014Date of Patent: July 28, 2015Assignee: NOVATEK MICROELECTRONICS CORP.Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu
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Patent number: 9093895Abstract: 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: GrantFiled: July 25, 2012Date of Patent: July 28, 2015Assignee: NOVATEK MICROELECTRONICS CORP.Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu
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Publication number: 20150061629Abstract: 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: ApplicationFiled: November 7, 2014Publication date: March 5, 2015Applicant: NOVATEK MICROELECTRONICS CORP.Inventors: Min-Hung HU, Chiu-Huang HUANG, Chen-Tsung WU
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Publication number: 20150042297Abstract: 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: ApplicationFiled: December 20, 2013Publication date: February 12, 2015Applicant: NOVATEK Microelectronics Corp.Inventors: Min-Hung Hu, Pin-Han Su, Chen-Tsung Wu, Chiu-Huang Huang, Chun-Wei Huang
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Publication number: 20140306676Abstract: 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: ApplicationFiled: March 27, 2014Publication date: October 16, 2014Applicant: NOVATEK Microelectronics Corp.Inventors: Min-Hung Hu, Pin-Han Su, Chun-Wei Huang, Chen-Tsung Wu, Chiu-Huang Huang
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Patent number: 8766611Abstract: 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: GrantFiled: August 8, 2011Date of Patent: July 1, 2014Assignee: Novatek Microelectronics Corp.Inventors: Min-Hung Hu, Chen-Tsung Wu, Zhen-Guo Ding, Pin-Han Su
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Publication number: 20140091780Abstract: 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: ApplicationFiled: June 26, 2013Publication date: April 3, 2014Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu, Juin-Wei Huang, Pin-Han Su
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Publication number: 20140077789Abstract: 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: ApplicationFiled: September 1, 2013Publication date: March 20, 2014Applicant: NOVATEK Microelectronics Corp.Inventors: Min-Hung Hu, Chiu-Huang Huang, Chen-Tsung Wu