Patents by Inventor Chien Fu

Chien Fu 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: 20250096092
    Abstract: A stacked via structure disposed on a conductive pillar of a semiconductor die is provided. The stacked via structure includes a first dielectric layer, a first conductive via, a first redistribution wiring, a second dielectric layer, a second conductive via, and a second redistribution wiring. The first dielectric layer covers the semiconductor die. The first conductive via is embedded in the first dielectric layer and electrically connected to the conductive pillar. The first redistribution wiring covers the first conductive via and the first dielectric layer. The second dielectric layer covers the first dielectric layer and the first redistribution wiring. The second conductive via is embedded in the second dielectric layer and landed on the first redistribution wiring. The second redistribution wiring covers the second conductive via and the second dielectric layer. A lateral dimension of the first conductive via is greater than a lateral dimension of the second conductive via.
    Type: Application
    Filed: November 28, 2024
    Publication date: March 20, 2025
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Che-Yu Yeh, Tsung-Shu Lin, Wei-Cheng Wu, Tsung-Yu Chen, Li-Han Hsu, Chien-Fu Tseng
  • Patent number: 12237437
    Abstract: A light-emitting package, includes: a housing including an opening; a lead frame covered by the housing; a light-emitting device, mounted in the opening and electrically connected to the lead frame, the light-emitting device including: a substrate including: a base with a main surface; and a plurality of protrusions on the main surface, wherein the protrusion and the base include different materials; a semiconductor stack on the main surface, the semiconductor stack including a side wall, and wherein an included angle between the side wall and the main surface is an obtuse angle; wherein the main surface includes a peripheral area not covered by the semiconductor stack, and the peripheral area is devoid of the protrusion formed thereon; and a filling material filling in the opening and covering the light-emitting device.
    Type: Grant
    Filed: February 17, 2022
    Date of Patent: February 25, 2025
    Assignee: EPISTAR CORPORATION
    Inventors: Li-Ming Chang, Tzung-Shiun Yeh, Chien-Fu Shen, Wen-Hsiang Lin, Pei-Chi Chiang, Yi-Wen Ku
  • Patent number: 12218279
    Abstract: An optoelectronic device includes a first semiconductor layer, a second semiconductor layer and an active layer between the first semiconductor layer and the second semiconductor layer; a first insulating layer on the second semiconductor layer and including a plurality of first openings exposing the first semiconductor layer, wherein the first openings include a first group and a second group; a third electrode on the first insulating layer and including a first extended portion and a second extended portion, wherein the first extended portion and the second extended portion are respectively electrically connected to the first semiconductor layer through the first group of the first openings and the second group of the first openings, and wherein the number of the first group of the first openings is different from the number of the second group of the first openings; and a plurality of fourth electrodes on the second insulating layer and electrically connected to the second semiconductor layer, wherein in a
    Type: Grant
    Filed: January 11, 2024
    Date of Patent: February 4, 2025
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, Jia-Kuen Wang, Chien-Chih Liao, Tzu-Yao Tseng, Tsun-Kai Ko, Chien-Fu Shen
  • Publication number: 20250030337
    Abstract: A circuit of a resonant power converter comprising: a high-side switch and a low-side switch, coupled to form a half-bridge switching circuit which is configured to switch a transformer for generating an output voltage; a high-side drive circuit, generating a high-side drive signal coupled to drive the high-side switch in response to a high-side control signal; a bias voltage, coupled to a bootstrap diode and a bootstrap capacitor providing a power source from the bootstrap capacitor for the high-side drive circuit; wherein the high-side drive circuit generates the high-side drive signal with a fast slew rate to turn on the high-side switch when the high-side switch is to be turned on with soft-switching; the high-side drive circuit generates the high-side drive signal with a slow slew rate to turn on the high-side switch when the high-side switch is to be turned on without soft-switching.
    Type: Application
    Filed: February 6, 2024
    Publication date: January 23, 2025
    Inventors: Kun-Yu Lin, Hsin-Yi Wu, Yu-Chang Chen, Fu-Ciao Syu, Chia-Hsien Yang, Chien-Fu Tang, Ta-Yung Yang
  • Patent number: 12191239
    Abstract: A stacked via structure disposed on a conductive pillar of a semiconductor die is provided. The stacked via structure includes a first dielectric layer, a first conductive via, a first redistribution wiring, a second dielectric layer, a second conductive via, and a second redistribution wiring. The first dielectric layer covers the semiconductor die. The first conductive via is embedded in the first dielectric layer and electrically connected to the conductive pillar. The first redistribution wiring covers the first conductive via and the first dielectric layer. The second dielectric layer covers the first dielectric layer and the first redistribution wiring. The second conductive via is embedded in the second dielectric layer and landed on the first redistribution wiring. The second redistribution wiring covers the second conductive via and the second dielectric layer. A lateral dimension of the first conductive via is greater than a lateral dimension of the second conductive via.
    Type: Grant
    Filed: July 24, 2023
    Date of Patent: January 7, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Che-Yu Yeh, Tsung-Shu Lin, Wei-Cheng Wu, Tsung-Yu Chen, Li-Han Hsu, Chien-Fu Tseng
  • Patent number: 12176465
    Abstract: A light-emitting device includes a semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer; one or multiple vias penetrating the active layer and the second semiconductor layer to expose the first semiconductor layer; a first contact layer covering the one or multiple vias; a third insulating layer including a first group of one or multiple third insulating openings on the second semiconductor layer to expose the first contact layer; a first pad on the semiconductor stack and covering the first group of one or multiple third insulating openings; and a second pad on the semiconductor stack and separated from the first pad with a distance, wherein the second pad is formed at a position other than positions of the one or multiple vias in a top view of the light-emitting device.
    Type: Grant
    Filed: April 20, 2023
    Date of Patent: December 24, 2024
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, Jia-Kuen Wang, Tzu-Yao Tseng, Bo-Jiun Hu, Tsung-Hsun Chiang, Wen-Hung Chuang, Kuan-Yi Lee, Yu-Ling Lin, Chien-Fu Shen, Tsun-Kai Ko
  • Publication number: 20240393187
    Abstract: An integrated circuit includes a memory and peripheral circuits with a temperature sensor used to automatically adjust operating voltages. The temperature sensor includes a reference circuit that generates a first reference with a first non-zero temperature coefficient and a second reference with a second temperature coefficient having a different magnitude than the first non-zero temperature coefficient. A detector circuit on the integrated circuit, having temperature and process variation compensation, converts a difference between the first and second references into a digital signal indicating temperature on the integrated circuit.
    Type: Application
    Filed: July 8, 2024
    Publication date: November 28, 2024
    Applicant: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chia-Ming HU, Chung-Kuang CHEN, Chia-Ching LI, Chien-Fu HUANG
  • Publication number: 20240339370
    Abstract: A method includes bonding a composite die on a redistribution structure. The composite die comprises a device die including a semiconductor substrate, a through-semiconductor via penetrating through the semiconductor substrate, a metal via at a surface of the device die, and a sacrificial carrier attached to the device die. The composite die is encapsulated in an encapsulant. A planarization process is performed on the composite die and the encapsulant, and the sacrificial carrier is removed to reveal the metal via. A conductive feature is formed to electrically couple to the metal via.
    Type: Application
    Filed: June 5, 2023
    Publication date: October 10, 2024
    Inventors: Chien-Fu Tseng, Der-Chyang Yeh, Hung-Pin Chang, Cheng-Hsien Hsieh, Li-Han Hsu, Meng-Tsan Lee, Wei-Cheng Wu, Chin-Te Wang
  • Publication number: 20240290771
    Abstract: An integrated circuit layout includes an upper active region comprising a first edge and a second edge extending along a first direction and respectively adjacent to an upper cell boundary by a distance D3 and a distance D4. A first gate line is disposed on the upper active region, extends along a second direction, and protrudes from the first edge by a length L3. A second gate line is disposed on the upper active region, extends along the second direction, and protrudes from the second edge by a length L4. Two dummy gate lines respectively extend along the second direction and are disposed at two sides of the upper active region and away from the upper cell boundary by a distance S. The first direction and the second direction are perpendicular. The distances D3, D4, S and the lengths L3 and L4 have the relationships: L3?D3?S, L4?D4?S, and D3?D4.
    Type: Application
    Filed: May 8, 2024
    Publication date: August 29, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ruei-Yau Chen, Wei-Jen Wang, Kun-Yuan Wu, Chien-Fu Chen, Chen-Hsien Hsu
  • Patent number: 12066386
    Abstract: A sampling device is provided, including: a syringe barrel having an opening and a holding portion; a plunger body having a protruding wall and disposed in the syringe barrel through the opening, where the protruding wall has a first recessed portion; a spring disposed around the plunger body; and a fastening assembly having an engaging structure for engaging the fastening assembly with the holding portion, a groove rail for receiving the protruding wall of the plunger body and a fastening portion for limiting displacement of the plunger body. A semi-automatic sample feeding device is further provided and includes the sampling device and a flow control device, and a test paper detection system is also provided and includes the semi-automatic sample feeding device and a test paper device. The test paper detection system is able to stably introduce samples, suitable for large-volume samples, which meets the needs of point-of-care applications.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: August 20, 2024
    Assignee: National Taiwan University
    Inventors: Chien-Fu Chen, Shih-Jie Chen, Jia-Hui Lin
  • Patent number: 12061125
    Abstract: An integrated circuit includes a memory and peripheral circuits with a temperature sensor used to automatically adjust operating voltages. The temperature sensor includes a reference circuit that generates a first reference with a first non-zero temperature coefficient and a second reference with a second temperature coefficient having a different magnitude than the first non-zero temperature coefficient. A detector circuit on the integrated circuit, having temperature and process variation compensation, converts a difference between the first and second references into a digital signal indicating temperature on the integrated circuit.
    Type: Grant
    Filed: September 3, 2020
    Date of Patent: August 13, 2024
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Chia-Ming Hu, Chung-Kuang Chen, Chia-Ching Li, Chien-Fu Huang
  • Publication number: 20240246076
    Abstract: Described are chips for detecting a target in a sample including a microfluidic flow chamber comprising one or more flow channels having a capture surface and at least one micromixer. Described are methods of using this chip wherein targets are identified by total internal reflection fluorescence (TIRF).
    Type: Application
    Filed: February 9, 2024
    Publication date: July 25, 2024
    Inventors: Chih-Ping Mao, Shih-Chin Wang, Jie Xiao, T.C. Wu, Chien-Fu Hung
  • Publication number: 20240186447
    Abstract: The present disclosure provides a light-emitting device comprising a substrate with a topmost surface; a first semiconductor stack arranged on the substrate, and comprising a first top surface separated from the topmost surface by a first distance; a first bonding layer arranged between the substrate and the first semiconductor stack; a second semiconductor stack arranged on the substrate, and comprising a second top surface separated from the topmost surface by a second distance which is different form the first distance; a second bonding layer arranged between the substrate and the second semiconductor stack; a third semiconductor stack arranged on the substrate, and comprising third top surface separated from the topmost surface by a third distance; and a third bonding layer arranged between the substrate and the third semiconductor stack; wherein the first semiconductor stack, the second semiconductor stack, and the third semiconductor stack are configured to emit different color lights.
    Type: Application
    Filed: February 12, 2024
    Publication date: June 6, 2024
    Inventors: Chien-Fu HUANG, Chih-Chiang LU, Chun-Yu LIN, Hsin-Chih CHIU
  • Patent number: 11998894
    Abstract: A composite solid base catalyst, a manufacturing method thereof and a manufacturing method of glycidol are provided. The composite solid base catalyst includes an aluminum carrier and a plurality of calcium particles. The plurality of calcium particles are supported by the aluminum carrier. Beta basic sites of the composite solid base catalyst are 0.58 mmol/g-3.89 mmol/g.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: June 4, 2024
    Assignees: NATIONAL TSING HUA UNIVERSITY, Chang Chun Plastics Co., Ltd., Chang Chun Petrochemical Co., LTD., DAIREN CHEMICAL CORP.
    Inventors: De-Hao Tsai, Yung-Tin Pan, Che-Ming Yang, Ching-Yuan Chang, Ding-Huei Tsai, Chien-Fu Huang, Yi-Ta Tsai
  • Patent number: 11987606
    Abstract: The disclosure features compounds comprising an antigen portion, a soluble Major Histocompatibility Complex (MHC) molecule portion (e.g., all or an antigen-binding portion of a soluble MHC class I molecule), and a dynamic anchor portion (e.g., an agent, such as Annexin V, that binds to phosphatidylserine). The featured compounds are useful for a variety of therapeutic applications, including, e.g., enhancing a T cell response to an antigen of interest or enhancing a T cell-driven immune response by a subject to an antigen of interest (e.g., a cancer antigen or a microbial antigen).
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: May 21, 2024
    Assignee: The Johns Hopkins University
    Inventors: Tzyy-Choou Wu, Chih-Ping Mao, Chien-Fu Hung
  • Patent number: 11984442
    Abstract: A layout includes a first and a second standard cells abutting along a boundary line. The first cell includes first fins. An edge of the first fins closest to and away from the boundary line by a distance D1. A first gate line over-crossing the first fins protrudes from the edge by a length L1. The second cell includes second fins. An edge of the second fins closest to and away from the boundary line by a distance D2. A second gate line over-crossing the second fins protrudes from the edge by a length L2. Two first dummy gate lines at two sides of the first fins and two second dummy lines at two sides of the second fins are respectively away from the boundary line by a distance S. The lengths L1 and L2, the distances S, D1 and D2 have the relationships: L1?D1?S, L2?D2?S, and D1?D2.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: May 14, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Ruei-Yau Chen, Wei-Jen Wang, Kun-Yuan Wu, Chien-Fu Chen, Chen-Hsien Hsu
  • Publication number: 20240154065
    Abstract: An optoelectronic device includes a first semiconductor layer, a second semiconductor layer and an active layer between the first semiconductor layer and the second semiconductor layer; a first insulating layer on the second semiconductor layer and including a plurality of first openings exposing the first semiconductor layer, wherein the first openings include a first group and a second group; a third electrode on the first insulating layer and including a first extended portion and a second extended portion, wherein the first extended portion and the second extended portion are respectively electrically connected to the first semiconductor layer through the first group of the first openings and the second group of the first openings, and wherein the number of the first group of the first openings is different from the number of the second group of the first openings; and a plurality of fourth electrodes on the second insulating layer and electrically connected to the second semiconductor layer, wherein in a
    Type: Application
    Filed: January 11, 2024
    Publication date: May 9, 2024
    Inventors: Chao-Hsing CHEN, Jia-Kuen WANG, Chien-Chih LIAO, Tzu-Yao TSENG, Tsun-Kai KO, Chien-Fu SHEN
  • Publication number: 20240118721
    Abstract: A regulator circuit module, a memory storage device, and a voltage control method are disclosed. The voltage control method includes: generating an output voltage according to an input voltage by a driving circuit; generating a feedback voltage according to the output voltage; and controlling the driving circuit by a first regulator circuit to adjust the output voltage in response to a current change caused by the feedback voltage.
    Type: Application
    Filed: November 23, 2022
    Publication date: April 11, 2024
    Applicant: PHISON ELECTRONICS CORP.
    Inventors: Chien-Fu Huang, Bing-Wei Yi
  • Publication number: 20240062924
    Abstract: A device, which is used to inspect the confinement boundary of a vertical spent nuclear fuel storage canister during operation, includes a vertical spent nuclear fuel storage unit, a lifting unit, a transferring unit and an inspection platform. The vertical spent nuclear fuel storage unit includes a vertical storage canister and a storage overpack. The vertical storage canister is configured for storing spent nuclear fuels, and the storage overpack is configured for storing the vertical storage canister. The lifting unit, connected with the vertical storage canister, is configured for lifting the vertical storage canister. The transferring unit, connected with the lifting unit, is configured for protecting the lifted vertical storage canister. The inspection platform, connected with the transferring unit and the storage overpack, is configured for creating more space with sufficient shielding for the usage of inspecting the confinement boundary of the vertical storage canister.
    Type: Application
    Filed: October 19, 2022
    Publication date: February 22, 2024
    Inventors: CHING-WEI YANG, KUEI-JEN CHENG, YING-WEI LIN, CHIEN-FU CHEN
  • Patent number: 11908975
    Abstract: An optoelectronic device includes a first semiconductor layer, a second semiconductor layer and an active layer between the first semiconductor layer and the second semiconductor layer; a first insulating layer on the second semiconductor layer and including a plurality of first openings exposing the first semiconductor layer, wherein the first openings include a first group and a second group; a third electrode on the first insulating layer and including a first extended portion and a second extended portion, wherein the first extended portion and the second extended portion are respectively electrically connected to the first semiconductor layer through the first group of the first openings and the second group of the first openings, and wherein the number of the first group of the first openings is different from the number of the second group of the first openings; and a plurality of fourth electrodes on the second insulating layer and electrically connected to the second semiconductor layer, wherein in a
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: February 20, 2024
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, Jia-Kuen Wang, Chien-Chih Liao, Tzu-Yao Tseng, Tsun-Kai Ko, Chien-Fu Shen