Patents by Inventor Kuan-Hung Chen

Kuan-Hung Chen 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: 20250219583
    Abstract: The present invention provides a power amplifier system configured to receive an input audio signal to generate an output audio signal is disclosed. The power amplifier system includes a reference signal generator, a dynamic headroom generator and a DC-DC converter. The reference signal generator is configured to generate a reference signal according to the input signal. The dynamic headroom generator is configured to generate an output reference signal according to the reference signal and a change rate of a signal, wherein the signal is the reference signal, the input audio signal, or correlated with the reference signal or the input audio signal. The DC-DC converter is configured to generate a supply voltage to a power amplifier, wherein a voltage level of the supply voltage is determined according to the output reference signal, and the power amplifier is configured to generate the output audio signal according to the input audio signal.
    Type: Application
    Filed: December 5, 2024
    Publication date: July 3, 2025
    Applicant: MEDIATEK INC.
    Inventors: Yi-Wei Huang, Yi-Han Pan, Chun-Lung Chang, Sung-Han Wen, Kuan-Hung Chen, Chia-Feng Chiang, Kuan-Ta Chen
  • Patent number: 12336209
    Abstract: A method for fabricating semiconductor device includes the steps of: forming a fin-shaped structure on a substrate; forming a gate dielectric layer on the fin-shaped structure; forming a gate electrode on the fin-shaped structure; performing a nitridation process to implant ions into the gate dielectric layer adjacent to two sides of the gate electrode; and forming an epitaxial layer adjacent to two sides of the gate electrode.
    Type: Grant
    Filed: March 7, 2023
    Date of Patent: June 17, 2025
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chung-Fu Chang, Kuan-Hung Chen, Guang-Yu Lo, Chun-Chia Chen, Chun-Tsen Lu
  • Publication number: 20250147068
    Abstract: A low friction horizontal probing fixture includes two rails of a base unit and two slide units respectively disposed on and being slidable along the rails. Each slide unit has a slide seat that is disposed adjacent to a respective one of the rails, rolling members that are connected to the slide seat and that are rollable on the respective rail so that the slide seat is movable along the respective rail, and a lock mechanism that is disposed on the slide seat and that is operable to position the slide seat relative to the respective rail. A guiding member is connected co-movably to the slide units.
    Type: Application
    Filed: November 7, 2023
    Publication date: May 8, 2025
    Inventors: Kuan-Hung Chen, Li-Cheng Richard Zai
  • Patent number: 12150272
    Abstract: A heat dissipating device includes a box, a flow dispersion layer, a heat exchange layer, a fan and a pump, wherein the box includes a liquid storage part, a liquid-air mixing part, a liquid inlet, a liquid outlet, an air inlet and an air outlet, the flow dispersion layer is disposed in liquid-air mixing part and has a plurality of through holes, the heat exchange layer is disposed in liquid-air mixing part and has a continuous phase framework and pores, the fan is connected to the air inlet, and the pump is connected to the liquid outlet. The heat dissipating device forcibly disperses high temperature liquid, and prolongs falling time of the high temperature liquid, to allow low temperature air directly exchange heat with the high temperature liquid, so that the heat dissipation efficiency thereof is greatly enhanced to meet the demands of electronics, air conditioning and other industries.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: November 19, 2024
    Inventor: Kuan Hung Chen
  • Publication number: 20240363457
    Abstract: A method includes forming a plurality of dielectric layers, forming a lower portion of a seal ring including a plurality of metal layers, each extending into one of the plurality of dielectric layers, depositing a first passivation layer over the plurality of dielectric layers, forming an opening in the first passivation layer, forming a via ring in the opening and physically contacting the lower portion of the seal ring, and forming a metal ring over the first passivation layer and joined to the via ring. The via ring and the metal ring form an upper portion of the seal ring. The metal ring includes an edge portion having a zigzag pattern. The method further includes forming a second passivation layer on the metal ring, and performing a singulation process to form a device die, with the seal ring being proximate edges of the device die.
    Type: Application
    Filed: July 9, 2024
    Publication date: October 31, 2024
    Inventors: Kuan-Hung Chen, Hong-Seng Shue, Po-Hao Tsai, Mirng-Ji Lii
  • Patent number: 12130650
    Abstract: A start-up circuit includes series-connected first-type first transistors through which a start-up current flows in a start-up period, being connected between a positive power voltage and an inner node; and a first-type second transistor through which a boost current flows in the start-up period, being connected between the positive power voltage and the inner node, and with a gate connected to an output node that provides a bias voltage.
    Type: Grant
    Filed: August 8, 2022
    Date of Patent: October 29, 2024
    Assignee: Himax Technologies Limited
    Inventor: Kuan-Hung Chen
  • Publication number: 20240313193
    Abstract: A lithium-ion battery includes an electrode with a plurality of channels formed at least partially through its thickness. Each channel has a diameter in a range from 5 ?m to 100 ?m and/or is spaced apart from another channel by a distance in a range from 10 ?m to 200 ?m as measured between centerlines of the channels. The electrode may be an anode and includes carbonaceous material such as graphite and/or additional electrochemically active lithium host materials. The battery can be charged at a C-rate greater than 2 C.
    Type: Application
    Filed: May 22, 2024
    Publication date: September 19, 2024
    Inventors: Kuan-Hung Chen, Neil Dasgupta, Jeffrey Sakamoto, Min Ji Namkoong
  • Patent number: 12087648
    Abstract: A method includes forming a plurality of dielectric layers, forming a lower portion of a seal ring including a plurality of metal layers, each extending into one of the plurality of dielectric layers, depositing a first passivation layer over the plurality of dielectric layers, forming an opening in the first passivation layer, forming a via ring in the opening and physically contacting the lower portion of the seal ring, and forming a metal ring over the first passivation layer and joined to the via ring. The via ring and the metal ring form an upper portion of the seal ring. The metal ring includes an edge portion having a zigzag pattern. The method further includes forming a second passivation layer on the metal ring, and performing a singulation process to form a device die, with the seal ring being proximate edges of the device die.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: September 10, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Kuan-Hung Chen, Hong-Seng Shue, Po-Hao Tsai, Mirng-Ji Lii
  • Publication number: 20240282843
    Abstract: A method for fabricating semiconductor device includes the steps of: forming a fin-shaped structure on a substrate; forming a gate dielectric layer on the fin-shaped structure; forming a gate electrode on the fin-shaped structure; performing a nitridation process to implant ions into the gate dielectric layer adjacent to two sides of the gate electrode; and forming an epitaxial layer adjacent to two sides of the gate electrode.
    Type: Application
    Filed: May 2, 2024
    Publication date: August 22, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Chung-Fu Chang, Kuan-Hung Chen, Guang-Yu Lo, Chun-Chia Chen, Chun-Tsen Lu
  • Patent number: 12063859
    Abstract: A device of application of a cold surface of a thermoelectric cooling (TEC) chip, the device includes a cooling part, a plate coil, a pump, a reservoir and a pipeline, the cooling part is used for connecting to the cold surface of TEC chip, the pump transfers antifreeze to circulate through the cooling part, the plate coil and the reservoir. Due the cooling part and the plate coil have large heat exchange area and excellent thermal conductivities, the device according to the present invention immediately conducts the cold temperature of the cold surface of TEC chip on operation of the TEC chip, the cooling efficiency thereof meets the standards of vehicle air conditioners and other products, so that the device according to the present invention has extremely high industrial availability.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: August 13, 2024
    Inventor: Kuan Hung Chen
  • Patent number: 12040477
    Abstract: A lithium-ion battery includes an electrode with a plurality of channels formed at least partially through its thickness. Each channel has a diameter in a range from 5 ?m to 100 ?m and/or is spaced apart from another channel by a distance in a range from 10 ?m to 200 ?m as measured between centerlines of the channels. The electrode may be an anode and includes carbonaceous material such as graphite and/or additional electrochemically active lithium host materials. The battery can be charged at a C-rate greater than 2 C.
    Type: Grant
    Filed: March 14, 2023
    Date of Patent: July 16, 2024
    Assignee: The Regents of the University of Michigan
    Inventors: Kuan-Hung Chen, Neil Dasgupta, Jeffrey Sakamoto, Min Ji Namkoong
  • Publication number: 20240197911
    Abstract: An oral pharmaceutical composition includes a metal complex and an outer layer. The metal complex is formed by coordinate bonding of an organic compound to a metal ion, and the organic compound is an aromatic compound and includes at least two oxygen atoms. The outer layer includes a ?-glucan, and the ?-glucan is dispersed outside the metal complex and coordinately bonded to the metal complex to form the outer layer.
    Type: Application
    Filed: March 21, 2023
    Publication date: June 20, 2024
    Inventors: Hsing-Wen Sung, Kuan-Hung Chen, Tun-Yu Huang, Nhien Hoang To Nguyen, Yu-Jung Lin, Yu-Tzu Yu
  • Patent number: 12009409
    Abstract: A method for fabricating semiconductor device includes the steps of: forming a fin-shaped structure on a substrate; forming a gate dielectric layer on the fin-shaped structure; forming a gate electrode on the fin-shaped structure; performing a nitridation process to implant ions into the gate dielectric layer adjacent to two sides of the gate electrode; and forming an epitaxial layer adjacent to two sides of the gate electrode.
    Type: Grant
    Filed: March 6, 2023
    Date of Patent: June 11, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chung-Fu Chang, Kuan-Hung Chen, Guang-Yu Lo, Chun-Chia Chen, Chun-Tsen Lu
  • Patent number: 12004323
    Abstract: A device of drawing out surface heat of an electronic component includes a housing, a liquid inlet port, a liquid outlet port, a partition wall and flow guiding walls. The housing includes opposite a contact wall and a heat dissipating wall, and a side wall respectively connected to the contact wall and the heat dissipating wall. The liquid inlet port and the liquid outlet port are formed on the side wall. The partition wall is formed in the housing, and connected to inner surfaces of the contact wall, the heat dissipating wall and the side wall, to divide an interior of the housing into an inflow channel and an outflow channel. The flow guiding walls are respectively formed in the inflow channel and the out flow channel, and connected to the inner surface of the contact wall.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: June 4, 2024
    Inventor: Kuan Hung Chen
  • Publication number: 20240103378
    Abstract: The present disclosure provides an extreme ultraviolet (EUV) lithography system including a radiation source and an EUV control system integrated with the radiation source. The EUV control system includes a 3-dimensional diagnostic module (3DDM) designed to collect a laser beam profile of a laser beam from the radiation source in a 3-dimensional (3D) mode, an analysis module designed to analyze the laser beam profile, a database designed to store the laser beam profile, and an EUV control module designed to adjust the radiation source. The analysis module is coupled with the database and the EUV control module. The database is coupled with the 3DDM and the analysis module. The EUV control module is coupled with the analysis module and the radiation source.
    Type: Application
    Filed: November 30, 2023
    Publication date: March 28, 2024
    Inventors: Tai-Yu CHEN, Tzu-Jung PAN, Kuan-Hung CHEN, Sheng-Kang YU, Shang-Chieh CHIEN, Li-Jui CHEN, Heng-Hsin LIU
  • Patent number: 11852978
    Abstract: The present disclosure provides a method for an extreme ultraviolet (EUV) lithography system that includes a radiation source having a laser device configured with a mechanism to generate an EUV radiation. The method includes collecting a laser beam profile of a laser beam from the laser device in a 3-dimensional (3D) mode; collecting an EUV energy distribution of the EUV radiation generated by the laser beam in the 3D mode; performing an analysis to the laser beam profile and the EUV energy distribution, resulting in an analysis data; and adjusting the radiation source according to the analysis data to enhance the EUV radiation.
    Type: Grant
    Filed: June 7, 2022
    Date of Patent: December 26, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Tai-Yu Chen, Tzu-Jung Pan, Kuan-Hung Chen, Sheng-Kang Yu, Shang-Chieh Chien, Li-Jui Chen, Heng-Hsin Liu
  • Publication number: 20230377172
    Abstract: The present invention provides an object automatic tracking system, which includes an image capturing device, a computing device and a display device, and the computing device includes a first computing module and a second computing module. The captured-in image is converted into a frame data and determined as either the first data or the second data according to the type of each frame. The first data is to obtain a property information and a location information of each target object in the image; and the second data is to obtain the trajectory information of each target object. Finally, the property information, the location information and the trajectory information are combined and output to the display device.
    Type: Application
    Filed: December 13, 2022
    Publication date: November 23, 2023
    Inventor: KUAN-HUNG CHEN
  • Patent number: D1027976
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: May 21, 2024
    Assignee: VIVOTEK INC.
    Inventors: Kuan-Hung Chen, Kai-Sheng Chuang, Chia-Chi Chang, Yu-Fang Huang, Kai-Ting Yu, Wen-Chun Chen, Shu-Jung Hsu, Tsao-Wei Hung
  • Patent number: D1063950
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: February 25, 2025
    Assignee: VIVOTEK INC.
    Inventors: Kuan-Hung Chen, Kai-Sheng Chuang, Chia-Chi Chang, Yu-Fang Huang, Kai-Ting Yu, Wen-Chun Chen, Shu-Jung Hsu, Tsao-Wei Hung
  • Patent number: D1067237
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: March 18, 2025
    Assignee: VIVOTEK INC.
    Inventors: Kuan-Hung Chen, Kai-Sheng Chuang, Chia-Chi Chang, Yu-Fang Huang, Kai-Ting Yu, Wen-Chun Chen