Patents by Inventor Yi-Chieh Chen

Yi-Chieh 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).

  • Patent number: 11024768
    Abstract: The present disclosure provides a semiconductor device. The semiconductor device includes a semiconductor stack, a trench formed in the semiconductor stack, a current confinement layer, a first electrode and a second electrode. The semiconductor stack includes a first reflective structure, a second reflective structure, and a cavity region. The cavity is between the first reflective structure and the second reflective structure and has a first surface and a second surface opposite to the first surface. The current confinement layer is in the second reflective structure. The first electrode and the second electrode are on the first surface.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: June 1, 2021
    Assignee: Epistar Corporation
    Inventors: Tzu-Chieh Hsu, Yi-Wen Huang, Shou-Lung Chen, Hsin-Kang Chen
  • Publication number: 20210151861
    Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a housing, a connection capacitor, and a feed portion. The housing defines at least one gap and a slot dividing the housing into a first radiation portion, a second radiation portion, and a third radiation. The connection capacitor bridges the first gap, connecting the first radiation portion and the second radiation portion. The feed portion is electrically connected to the first radiation portion. The current flows through the first radiation portion and towards the second radiation portion through the connection capacitor. The current is further coupled to the third radiation portion to generate radiation signals in different frequency bands.
    Type: Application
    Filed: November 20, 2020
    Publication date: May 20, 2021
    Inventors: YUNG-CHIN CHEN, YI-CHIEH LEE, KUN-LIN SUNG
  • Publication number: 20210151442
    Abstract: A method of forming a semiconductor memory device includes the following steps. First of all, a substrate is provided, and a plurality of gates is formed in the substrate, along a first direction. Next, a semiconductor layer is formed on the substrate, covering the gates, and a plug is then in the semiconductor layer, between two of the gates. Then, a deposition process is performed to from a stacked structure on the semiconductor layer. Finally, the stacked structure is patterned to form a plurality of bit lines, with one of the bit lines directly in contact with the plug.
    Type: Application
    Filed: January 29, 2021
    Publication date: May 20, 2021
    Inventors: Yi-Wei Chen, Hsu-Yang Wang, Chun-Chieh Chiu, Shih-Fang Tzou
  • Patent number: 11011680
    Abstract: A light-emitting device includes a semiconductor structure including a first semiconductor layer, a second semiconductor layer, and an active layer formed between the first semiconductor layer and the second semiconductor layer; a via penetrating the second semiconductor layer and the active layer to expose a surface of the first semiconductor layer; a first electrode formed in the via and on the second semiconductor layer; a second electrode formed on the second semiconductor layer; and an insulating structure covering the first electrode, the second electrode and the semiconductor structure and including a first opening to expose the first electrode and a second opening to expose the second electrode, wherein the first electrode and the second electrode respectively include a metal layer contacting the insulating layer, the metal layer includes a material including a surface tension value larger than 1500 dyne/cm and a standard reduction potential larger than 0.3 V.
    Type: Grant
    Filed: September 10, 2019
    Date of Patent: May 18, 2021
    Assignee: Epistar Corporation
    Inventors: Yi-Hung Lin, Chao-Hsing Chen, Jia-Kuen Wang, Tzu-Yao Tseng, Jen-Chieh Yu, Guan-Wu Chen
  • Patent number: 11013151
    Abstract: A chassis includes a receiver frame for receiving a plurality of electronic components. The receiver frame includes a front end, a rear end, a top wall, and a bottom wall. The receiver frame also includes one or more apertures positioned in the bottom wall or the top wall at a location adjacent to the front end. The receiver frame also includes a plurality of air flow channels coupling openings in the front end to the one or more apertures such that air flow from the openings of the front end is first directed towards the rear end across the plurality of electronic components before being directed back towards the front end and then exiting the one or more apertures.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: May 18, 2021
    Assignee: QUANTA COMPUTER INC.
    Inventors: Yi-Chieh Chen, Ming-Hung Tsai, Yan-Kuei Chen, Yi-He Huang
  • Patent number: 11009916
    Abstract: A touch input device includes a frame unit, a circuit unit and a touch pad. The circuit unit includes a circuit board, a dome-shaped actuating member including an actuating portion and a resilient metal sheet connected between the actuating portion and the circuit board, and a noise reduction member having a main body connected to the resilient metal sheet, made of an elastic material and formed with a recess surrounding the actuating portion. A touch surface of the touch pad is touchable to push the circuit unit toward the block member, such that the actuating portion contacts the block member to deform the resilient metal sheet to electrically connect the actuating portion with the circuit board.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: May 18, 2021
    Assignee: SUNREXTECHNOLOGY CORP.
    Inventors: Chun-Chieh Chen, Yi-Wen Tsai, Ching-Yao Huang, Ling-Cheng Tseng
  • Publication number: 20210142964
    Abstract: A key structure including a base, a light sensing module, a carrier, a magnetic member, a cap, and a scissor structure are provided. The light sensing module is disposed at the base. The carrier is located above the base. The magnetic member is disposed on the carrier. The cap is adapted to be assembled to the carrier via a magnetic attracting force of the magnetic member or adapted to be detached from the carrier via overcoming the magnetic attracting force of the magnetic member. The scissor structure is connected between the base and the carrier. The carrier and the cap disposed thereon move up and down relative to the base via the scissor structure. An orthogonal projection of the magnetic member on the base is not overlapped with an orthogonal projection of the light sensing module on the base. A keyboard is also provided.
    Type: Application
    Filed: March 19, 2020
    Publication date: May 13, 2021
    Applicant: Acer Incorporated
    Inventors: Hung-Chi Chen, Shun-Bin Chen, Huei-Ting Chuang, Wen-Chieh Tai, Yi-Hsin Pan
  • Patent number: 10988815
    Abstract: The invention relates to a detective molecule, and more particularly to a detective molecule and a kit for detecting a target molecule, a method for predicting fragrance production in an orchid, and a method for breeding a scented orchid.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: April 27, 2021
    Assignee: NATIONAL CHENG KUNG UNIVERSITY
    Inventors: Hong-Hwa Chen, Yu-Chen Chuang, Wen-Chieh Tsai, Yi-Chu Hung, Wen-Huei Chen, Chi-Yu Hsu, Chuan-Ming Yeh, Nobutaka Mitsuda, Masaru Ohme-Takagi
  • Publication number: 20210119078
    Abstract: This disclosure discloses a light-emitting device. The light-emitting device includes a light-emitting stack having a first-type semiconductor layer, a second-type semiconductor layer, and an active layer formed between the first-type semiconductor layer and the second-type semiconductor layer; and a reflective structure formed on the first-type semiconductor layer and having a first interface and a second interface. A critical angle at the first interface for a light emitted from the light-emitting stack is larger than that at the second interface. The reflective structure electrically connects to the first-type semiconductor layer at the first interface, and an area of the first interface is more than an area of the second interface in a top view.
    Type: Application
    Filed: December 7, 2020
    Publication date: April 22, 2021
    Inventors: Yi-Ming CHEN, Hao-Min KU, Chih-Chiang LU, Tzu-Chieh HSU
  • Patent number: 10986751
    Abstract: An external air baffle nozzle has a top surface, a bottom surface, and a pair of sidewalls separating the top surface from the bottom surface. An end of the pair of sidewalls, an end of the top surface and an end of the bottom surface define an inlet. An opposite end of the pair of sidewalls, an opposite end of the top surface, and an opposite end of the bottom surface define an outlet. The outlet has a smaller cross section than a cross section of the inlet.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: April 20, 2021
    Assignee: QUANTA COMPUTER INC.
    Inventors: Yi-Chieh Chen, Jen-Mao Chen, Wei-Te Wang, Shuo-Ting Jian
  • Patent number: 10856437
    Abstract: A system and method to control fan power for an electronic device based on cooling requirements is disclosed. The electronic device includes a power supply unit and a fan coupled to the power supply unit. A controller is coupled to the fan. The device includes at least one electronic component cooled by the fan. The controller is operable to classify the at least one electronic component, and regulate the power supplied to the fan based on the classification of the at least one electronic component.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: December 1, 2020
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chao-Jung Chen, Yi-Chieh Chen, Yueh-Chang Wu, Ming-Chin Huang
  • Patent number: 10842054
    Abstract: A method and structure for improving efficiency of cooling and temperature uniformity among a plurality of heat generating electronic devices arranged in rows within a housing, such as a GPU server, utilizing a single source of cooling air. The electronic devices are arranged in a plurality of rows, but the heat sinks for the last row are elevated above the heat sinks of the first row so as to occupy different positions within the cooling air stream. In some embodiments the heat sinks of the electronic devices are extended forward so as to reside near the heat sinks of the electronic devices in the first row, but in a different flow path of cooling air. In other embodiments, a thermo siphon refrigeration system is provided for the electronic devices in the last row, and may be provided for the electronic devices in the first row as well.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: November 17, 2020
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chao-Jung Chen, Yi-Chieh Chen, Yueh-Chang Wu, Yi-Ta Hsu
  • Patent number: 10712795
    Abstract: Systems and methods are provided for controlling two or more PSUs of a server system. An exemplary method comprises first determining whether the PSUs are switched on to an AC power source. If the PSUs are found not switched on to an AC power source, the method further comprises restarting the AC power source for the PSUs and completing a software-based recovery process. If the PSUs are found to be switched on to an AC power source, the method further comprises determining whether the PSUs meet a predefined criterion. If the PSUs do meet a predefined criterion, the method further comprises disabling a cold-redundancy mode for the PSUs. If the PSUs do not meet a predefined criterion, the method further comprises starting a wake-up process for a first PSU from a cold-redundancy mode.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: July 14, 2020
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chao-Jung Chen, Yi-Chieh Chen, Yueh-Chang Wu, Ching-Yi Shih
  • Patent number: 10653040
    Abstract: The present disclosure is directed to an apparatus for a server chassis. A position of the apparatus changes the airflow in the server chassis. The apparatus can be adjacent to a slot in the server chassis. The apparatus adjusts among a plurality of positions based on a height of the slot and/or a size of a computer component received at the slot. The apparatus includes a base portion and an arm. The base portion can couple with a wall of the chassis body, and the arm can include a plurality of moveable segments.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: May 12, 2020
    Assignee: QUANTA COMPUTER INC.
    Inventors: Wei-Te Wang, Shuo-Ting Jian, Samuel Chatelier, Yi-Chieh Chen
  • Publication number: 20190297748
    Abstract: A method and structure for improving efficiency of cooling and temperature uniformity among a plurality of heat generating electronic devices arranged in rows within a housing, such as a GPU server, utilizing a single source of cooling air. The electronic devices are arranged in a plurality of rows, but the heat sinks for the last row are elevated above the heat sinks of the first row so as to occupy different positions within the cooling air stream. In some embodiments the heat sinks of the electronic devices are extended forward so as to reside near the heat sinks of the electronic devices in the first row, but in a different flow path of cooling air. In other embodiments, a thermo siphon refrigeration system is provided for the electronic devices in the last row, and may be provided for the electronic devices in the first row as well.
    Type: Application
    Filed: March 20, 2018
    Publication date: September 26, 2019
    Inventors: Chao-Jung CHEN, Yi-Chieh CHEN, Yueh-Chang WU, Yi-Ta HSU
  • Patent number: 10405462
    Abstract: A system and method to ensure the proper operation of a power supply unit in an electronic device. The electronic device has a chassis with a length and a width that includes one area having electronic components. A system fan is located in the chassis relative to the electronic components to generate air flow in the direction of the length of the chassis through the electronic components. A power supply unit is located in parallel to the system fan relative to the width of the chassis. The power supply unit includes an AC input, a DC output and an internal fan. A controller is operable to control the system fan to reduce the air flow when the power supply unit turns on AC power to the AC input, or wakes up from a cold redundant state and outputs DC power from the DC output.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: September 3, 2019
    Assignee: QUANTA COMPUTER INC.
    Inventors: Chao-Jung Chen, Yi-Chieh Chen, Yueh-Chang Wu, Jhih-Bin Guan
  • Publication number: 20190239394
    Abstract: A system and method to ensure the proper operation of a power supply unit in an electronic device. The electronic device has a chassis with a length and a width that includes one area having electronic components. A system fan is located in the chassis relative to the electronic components to generate air flow in the direction of the length of the chassis through the electronic components. A power supply unit is located in parallel to the system fan relative to the width of the chassis. The power supply unit includes an AC input, a DC output and an internal fan. A controller is operable to control the system fan to reduce the air flow when the power supply unit turns on AC power to the AC input, or wakes up from a cold redundant state and outputs DC power from the DC output.
    Type: Application
    Filed: July 30, 2018
    Publication date: August 1, 2019
    Inventors: Chao-Jung CHEN, Yi-Chieh CHEN, Yueh-Chang WU, Jhih-Bin GUAN
  • Publication number: 20190235597
    Abstract: Systems and methods are provided for controlling two or more PSUs of a server system. An exemplary method comprises first determining whether the PSUs are switched on to an AC power source. If the PSUs are found not switched on to an AC power source, the method further comprises restarting the AC power source for the PSUs and completing a software-based recovery process. If the PSUs are found to be switched on to an AC power source, the method further comprises determining whether the PSUs meet a predefined criterion. If the PSUs do meet a predefined criterion, the method further comprises disabling a cold-redundancy mode for the PSUs. If the PSUs do not meet a predefined criterion, the method further comprises starting a wake-up process for a first PSU from a cold-redundancy mode.
    Type: Application
    Filed: July 27, 2018
    Publication date: August 1, 2019
    Inventors: Chao-Jung CHEN, Yi-Chieh CHEN, Yueh-Chang WU, Ching-Yi SHIH
  • Publication number: 20190239385
    Abstract: A system and method to control fan power for an electronic device based on cooling requirements is disclosed. The electronic device includes a power supply unit and a fan coupled to the power supply unit. A controller is coupled to the fan. The device includes at least one electronic component cooled by the fan. The controller is operable to classify the at least one electronic component, and regulate the power supplied to the fan based on the classification of the at least one electronic component.
    Type: Application
    Filed: July 19, 2018
    Publication date: August 1, 2019
    Inventors: Chao-Jung CHEN, Yi-Chieh CHEN, Yueh-Chang WU, Ming-Chin HUANG
  • Publication number: 20190116690
    Abstract: The present disclosure provides a system and method for dynamically adjusting maximum fan duties in a server system. In accordance with one aspect of the present disclosure, a computer-implemented method for dynamically adjusting maximum fan duties in the server system, comprises: powering on the server system; receiving, from BIOS, bus interface information of a system board of the server system; determining that there is no rotation-vibration issues (RVI) sensitive device directly connected to the system board; and setting a first maximum fan duty for one or more cooling fans of the server system.
    Type: Application
    Filed: October 12, 2017
    Publication date: April 18, 2019
    Inventors: Chao-Jung CHEN, Yi-Chieh CHEN, Jen-Mao CHEN, Kai-Fan KU