Patents by Inventor Li-Che Chen

Li-Che 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: 20240142664
    Abstract: Two types of blue light blocking contact lenses are provided and are formed by curing different compositions. The first composition includes a blue light blocking component formed by mixing or reacting a first hydrophilic monomer and a yellow dye, a first colored dye component formed by mixing or reacting a second hydrophilic monomer and a first colored dye, at least one third hydrophilic monomer, a crosslinker, and an initiator. The first colored dye includes a green dye, a cyan dye, a blue dye, an orange dye, a red dye, a black dye, or combinations thereof. The second composition includes a blue light blocking component, at least one hydrophilic monomer, a crosslinker, and an initiator. The blue light blocking component is formed by mixing or reacting glycerol monomethacrylate and a yellow dye. Further, methods for preparing the above contact lenses are provided.
    Type: Application
    Filed: February 12, 2023
    Publication date: May 2, 2024
    Inventors: Han-Yi CHANG, Chun-Han CHEN, Tsung-Kao HSU, Wei-che WANG, Yu-Hung LIN, Wan-Ying GAO, Li-Hao LIU
  • Publication number: 20240145867
    Abstract: A separator for a lithium battery and a method for manufacturing the same are provided. The separator includes a substrate layer and a coating layer. The substrate layer is a polyolefin porous film and has a substrate thickness ranging from 10 to 30 micrometers. The coating layer is coated on the substrate layer, and has a coating layer thickness ranging from 1 to 5 micrometers. The coating layer includes a heat-resistant resin material and a plurality of inorganic ceramic particles glued in the heat-resistant resin material. The heat-resistant resin material has a melting point (Tm) or a glass transition temperature (Tg) of not less than 150° C. An average particle size of the inorganic ceramic particles is 10% to 40% of the coating layer thickness of the coating layer. The inorganic ceramic particles are stacked in the coating layer with a height of at least three layers.
    Type: Application
    Filed: January 17, 2023
    Publication date: May 2, 2024
    Inventors: TE-CHAO LIAO, CHUN-CHE TSAO, CHENG-HUNG CHEN, LI-TING WANG
  • Patent number: 11527272
    Abstract: A pseudo-analog memory computing circuit includes at least one input circuit, at least one output circuit and at least one pseudo-analog memory computing unit. Each pseudo-analog memory computing unit is coupled between one of the at least one input circuit and one of the at least one output circuit and has at least one weight mode. Each pseudo-analog memory computing unit generates at least first computing result for a coupled output circuit according to a weight of a selected weight mode and at least one input signals of a coupled input circuit.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: December 13, 2022
    Assignee: XX Memory Technology Corp.
    Inventors: Li Che Chen, Cheng Jye Liu, Heng Cheng Yeh
  • Publication number: 20210407560
    Abstract: A pseudo-analog memory computing circuit includes at least one input circuit, at least one output circuit and at least one pseudo-analog memory computing unit. Each pseudo-analog memory computing unit is coupled between one of the at least one input circuit and one of the at least one output circuit and has at least one weight mode. Each pseudo-analog memory computing unit generates at least first computing result for a coupled output circuit according to a weight of a selected weight mode and at least one input signals of a coupled input circuit.
    Type: Application
    Filed: June 23, 2021
    Publication date: December 30, 2021
    Inventors: LI CHE CHEN, CHENG JYE LIU, HENG CHENG YEH
  • Patent number: 10937872
    Abstract: A semiconductor structure is provided. The semiconductor structure includes a substrate, a gate disposed on the substrate, a source disposed in the substrate and located on one side of the gate, a drain disposed in the substrate and located on another side of the gate, and a gate extending portion disposed on the substrate and located between the gate and the drain. The doping type of the gate is the opposite of that of the gate extending portion.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: March 2, 2021
    Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
    Inventors: Li-Che Chen, Chien-Hsien Song, Chih-Wei Lin, Hung-Chih Tan
  • Patent number: 10927000
    Abstract: A MEMS structure includes a substrate, an inter-dielectric layer on a front side of the substrate, a MEMS component on the inter-dielectric layer, and a chamber disposed within the inter-dielectric layer and through the substrate. The chamber has an opening at a backside of the substrate. An etch stop layer is disposed within the inter-dielectric layer. The chamber has a ceiling opposite to the opening and a sidewall joining the ceiling. The sidewall includes a portion of the etch stop layer.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: February 23, 2021
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Li-Che Chen, Te-Yuan Wu, Chia-Huei Lin, Hui-Min Wu, Kun-Che Hsieh, Kuan-Yu Wang, Chung-Yi Chiu
  • Publication number: 20210043740
    Abstract: A semiconductor structure is provided. The semiconductor structure includes a substrate, a gate disposed on the substrate, a source disposed in the substrate and located on one side of the gate, a drain disposed in the substrate and located on another side of the gate, and a gate extending portion disposed on the substrate and located between the gate and the drain. The doping type of the gate is the opposite of that of the gate extending portion.
    Type: Application
    Filed: August 7, 2019
    Publication date: February 11, 2021
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Li-Che CHEN, Chien-Hsien SONG, Chih-Wei LIN, Hung-Chih TAN
  • Patent number: 10615249
    Abstract: A capacitor structure includes a first electrode plate disposed on a substrate, a first capacitor dielectric layer disposed on the first electrode plate, and a second electrode plate disposed on the first capacitor dielectric layer. A portion of the first electrode plate extends beyond an end of the second electrode plate to form a step. The capacitor structure also includes an etching stop layer, an inter-metal dielectric layer, a first via and a second via. The etching stop layer is disposed on the second electrode plate. The inter-metal dielectric layer covers the etching stop layer, the second electrode plate, the first capacitor dielectric layer and the first electrode plate. The first via penetrates through the inter-metal dielectric layer to contact the first electrode plate at the portion extending beyond the second electrode plate. The second via penetrates through the inter-metal dielectric layer to contact the second electrode plate.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: April 7, 2020
    Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
    Inventors: Hsing-Chao Liu, Li-Che Chen, Chien-Hsien Song, Shu-Wei Hsu
  • Publication number: 20200027946
    Abstract: A capacitor structure includes a first electrode plate disposed on a substrate, a first capacitor dielectric layer disposed on the first electrode plate, and a second electrode plate disposed on the first capacitor dielectric layer. A portion of the first electrode plate extends beyond an end of the second electrode plate to form a step. The capacitor structure also includes an etching stop layer, an inter-metal dielectric layer, a first via and a second via. The etching stop layer is disposed on the second electrode plate. The inter-metal dielectric layer covers the etching stop layer, the second electrode plate, the first capacitor dielectric layer and the first electrode plate. The first via penetrates through the inter-metal dielectric layer to contact the first electrode plate at the portion extending beyond the second electrode plate. The second via penetrates through the inter-metal dielectric layer to contact the second electrode plate.
    Type: Application
    Filed: July 19, 2018
    Publication date: January 23, 2020
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Hsing-Chao LIU, Li-Che CHEN, Chien-Hsien SONG, Shu-Wei HSU
  • Patent number: 10347524
    Abstract: A trench isolation structure is provided. The trench isolation structure includes a substrate. A polygonal trench is disposed in the substrate. An insulating material is disposed in the polygonal trench, and a polygon top-side contact structure is disposed in the polygonal trench and surrounded by the insulating material. The polygon top-side contact structure has the same shape as the polygonal trench from a top view. A method for forming the trench isolation structure is also provided.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: July 9, 2019
    Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
    Inventors: Hsiung-Shih Chang, Jui-Chun Chang, Li-Che Chen
  • Patent number: 10276563
    Abstract: A semiconductor device and a method for forming the same are provided. The method includes forming a patterned mask on a substrate, wherein the patterned mask includes a pad oxide layer and a silicon nitride layer over the pad oxide layer. The method also includes forming a trench in the substrate by performing a first etching process on the substrate through an opening of the patterned mask and forming a dielectric material layer in the trench, in the opening, and on the patterned mask. The method further includes performing a planarization process to remove the dielectric material layer outside of the trench, and performing a heat treatment process to form an oxidized portion at the interface of the pad oxide layer and the substrate and adjacent to the dielectric material layer.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: April 30, 2019
    Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
    Inventors: Ying-Kai Chou, Li-Che Chen, Hsing-Chao Liu
  • Patent number: 10170397
    Abstract: A semiconductor device includes a via structure penetrating through a substrate, a top metal layer and an electronic component over the via structure, and a bottom metal layer and another electronic component below the via structure. The via structure includes a through hole penetrating from a first surface to an opposite second surface of a substrate, a filling insulating layer within the through hole, a first conductive layer, which is within the through hole and surrounds the filling insulating layer, wherein a portion of the first conductive layer is below the filling insulating layer and at the bottom of the through hole. The via structure further includes a first insulating layer, which is on the sidewalls of the through hole and surrounds the first conductive layer.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: January 1, 2019
    Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
    Inventors: Li-Che Chen, Francois Hebert
  • Patent number: 10115626
    Abstract: A method for forming an isolation block of a semiconductor device includes providing a semiconductor substrate, performing an etching process to form a plurality of trenches which are parallel to each other in the semiconductor substrate, wherein a plurality of strip structures are between the trenches. The strip structures and the trenches occupy a first region in the semiconductor substrate, and the strip structures are arranged staggered with the trenches. The method further includes performing a thermal oxidation process, such that the strip structures are oxidized to form a plurality of oxidized portions, wherein the oxidized portions extended into the trenches and connected to each other to form an isolation block in the semiconductor substrate.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: October 30, 2018
    Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
    Inventor: Li-Che Chen
  • Patent number: 10032673
    Abstract: A method for manufacturing a semiconductor device includes forming a first gate structure on a semiconductor substrate. The first gate structure includes a first gate dielectric layer and a first gate electrode layer formed thereon. The method also includes forming an insulating material layer on the semiconductor substrate, wherein the semiconductor substrate and the first gate structure are covered by the insulating material layer. The method further includes removing a portion of the insulating material layer in a high-voltage element region to form a second gate dielectric layer in the high-voltage element region on the semiconductor substrate, and forming a second gate electrode layer on the second gate dielectric layer.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: July 24, 2018
    Assignee: Vanguard International Semiconductor Corporation
    Inventors: Li-Che Chen, Chien-Wei Chiu, Chien-Hsien Song
  • Patent number: 9972534
    Abstract: A semiconductor device includes a through-substrate via structure, a first metal layer, an electronic component over the through-substrate via structure, a second metal layer and another electronic component below the through-substrate via structure. The through-substrate via structure includes a through hole penetrating from a first surface to an opposite second surface of a semiconductor substrate, and an acute angle is included between a sidewall of the through hole and the second surface on a side of the semiconductor substrate. The through-substrate via structure also includes a conductive layer that fills the through hole, and a semiconductor layer disposed in the through hole and interposed between the conductive layer and the semiconductor substrate.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: May 15, 2018
    Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
    Inventors: Li-Che Chen, Tzu-Hsuan Chen, Hsing-Chao Liu
  • Publication number: 20180076288
    Abstract: A trench isolation structure is provided. The trench isolation structure includes a substrate. A polygonal trench is disposed in the substrate. An insulating material is disposed in the polygonal trench, and a polygon top-side contact structure is disposed in the polygonal trench and surrounded by the insulating material. The polygon top-side contact structure has the same shape as the polygonal trench from a top view. A method for forming the trench isolation structure is also provided.
    Type: Application
    Filed: September 12, 2016
    Publication date: March 15, 2018
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Hsiung-Shih CHANG, Jui-Chun CHANG, Li-Che CHEN
  • Publication number: 20180076282
    Abstract: A semiconductor device and a method for forming the same are provided. The method includes forming a patterned mask on a substrate, wherein the patterned mask includes a pad oxide layer and a silicon nitride layer over the pad oxide layer. The method also includes forming a trench in the substrate by performing a first etching process on the substrate through an opening of the patterned mask and forming a dielectric material layer in the trench, in the opening, and on the patterned mask. The method further includes performing a planarization process to remove the dielectric material layer outside of the trench, and performing a heat treatment process to form an oxidized portion at the interface of the pad oxide layer and the substrate and adjacent to the dielectric material layer.
    Type: Application
    Filed: September 12, 2016
    Publication date: March 15, 2018
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Ying-Kai CHOU, Li-Che CHEN, Hsing-Chao LIU
  • Publication number: 20180012823
    Abstract: A semiconductor device includes a via structure penetrating through a substrate, a top metal layer and an electronic component over the via structure, and a bottom metal layer and another electronic component below the via structure. The via structure includes a through hole penetrating from a first surface to an opposite second surface of a substrate, a filling insulating layer within the through hole, a first conductive layer, which is within the through hole and surrounds the filling insulating layer, wherein a portion of the first conductive layer is below the filling insulating layer and at the bottom of the through hole. The via structure further includes a first insulating layer, which is on the sidewalls of the through hole and surrounds the first conductive layer.
    Type: Application
    Filed: July 7, 2016
    Publication date: January 11, 2018
    Applicant: Vanguard International Semiconductor Corporation
    Inventors: Li-Che CHEN, Francois HEBERT
  • Patent number: 9799601
    Abstract: A fuse element includes a metal layer disposed on a substrate. The metal layer includes an intermediate segment, a first block and a second block. The first block and the second block are electrically connected to two respective ends of the intermediate segment. The fuse element also includes a dielectric layer covering the intermediate segment, the first block and the second block, a first passivation layer disposed on the dielectric layer, and a second passivation layer disposed on the first passivation layer. The fuse element further includes an opening penetrating through the first passivation layer, the second passivation layer and a portion of the dielectric layer, and located above the intermediate segment. In addition, a protective film is disposed on a bottom and a portion of a sidewall of the opening, and covers the first passivation layer exposed by the opening.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: October 24, 2017
    Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATION
    Inventors: Ming-Sheng Hsu, Li-Che Chen, Hsing-Chao Liu
  • Publication number: 20170036905
    Abstract: A MEMS structure includes a substrate, an inter-dielectric layer on a front side of the substrate, a MEMS component on the inter-dielectric layer, and a chamber disposed within the inter-dielectric layer and through the substrate. The chamber has an opening at a backside of the substrate. An etch stop layer is disposed within the inter-dielectric layer. The chamber has a ceiling opposite to the opening and a sidewall joining the ceiling. The sidewall includes a portion of the etch stop layer.
    Type: Application
    Filed: October 17, 2016
    Publication date: February 9, 2017
    Inventors: Li-Che Chen, Te-Yuan Wu, Chia-Huei Lin, Hui-Min Wu, Kun-Che Hsieh, Kuan-Yu Wang, Chung-Yi Chiu