Patents by Inventor Chao Hsiang Chen

Chao Hsiang 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: 12230744
    Abstract: A light-emitting device includes a substrate including a top surface, a first side surface and a second side surface, wherein the first side surface and the second side surface of the substrate are respectively connected to two opposite sides of the top surface of the substrate; a semiconductor stack formed on the top surface of the substrate, the semiconductor stack 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 first electrode pad formed adjacent to a first edge of the light-emitting device; and a second electrode pad formed adjacent to a second edge of the light-emitting device, wherein in a top view of the light-emitting device, the first edge and the second edge are formed on different sides or opposite sides of the light-emitting device, the first semiconductor layer adjacent to the first edge includes a first sidewall directly connected to the first side surface of the substrate,
    Type: Grant
    Filed: September 20, 2023
    Date of Patent: February 18, 2025
    Assignee: EPISTAR CORPORATION
    Inventors: Chao-Hsing Chen, Cheng-Lin Lu, Chih-Hao Chen, Chi-Shiang Hsu, I-Lun Ma, Meng-Hsiang Hong, Hsin-Ying Wang, Kuo-Ching Hung, Yi-Hung Lin
  • Patent number: 12230740
    Abstract: A light-emitting device includes a semiconductor stack including a first semiconductor layer, a second semiconductor layer and an active area between the first semiconductor layer and the second semiconductor layer, wherein the first semiconductor layer including an upper surface; an exposed region formed in the semiconductor stack to expose the upper surface; a first protective layer covering the exposed region and a portion of the second semiconductor layer, wherein the first protective layer includes a first part with a first thickness formed on the upper surface and a second part with a second thickness formed on the second semiconductor layer, the first thickness is smaller than the second thickness; a first reflective structure formed on the second semiconductor layer and including one or multiple openings; and a second reflective structure formed on the first reflective structure and electrically connected to the second semiconductor layer through the one or multiple openings.
    Type: Grant
    Filed: April 22, 2021
    Date of Patent: February 18, 2025
    Assignee: EPISTAR CORPORATION
    Inventors: Jhih-Yong Yang, Hsin-Ying Wang, De-Shan Kuo, Chao-Hsing Chen, Yi-Hung Lin, Meng-Hsiang Hong, Kuo-Ching Hung, Cheng-Lin Lu
  • Patent number: 12218082
    Abstract: A memory device including a base semiconductor die, conductive terminals, memory dies, an insulating encapsulation and a buffer cap is provided. The conductive terminals are disposed on a first surface of the base semiconductor die. The memory dies are stacked over a second surface of the base semiconductor die, and the second surface of the base semiconductor die is opposite to the first surface of the base semiconductor die. The insulating encapsulation is disposed on the second surface of the base semiconductor die and laterally encapsulates the memory dies. The buffer cap covers the first surface of the base semiconductor die, sidewalls of the base semiconductor die and sidewalls of the insulating encapsulation. A package structure including the above-mentioned memory device is also provided.
    Type: Grant
    Filed: November 9, 2023
    Date of Patent: February 4, 2025
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kai-Ming Chiang, Chao-wei Li, Wei-Lun Tsai, Chia-Min Lin, Yi-Da Tsai, Sheng-Feng Weng, Yu-Hao Chen, Sheng-Hsiang Chiu, Chih-Wei Lin, Ching-Hua Hsieh
  • Patent number: 12218282
    Abstract: A light-emitting device includes a first semiconductor layer; a semiconductor pillar formed on the first semiconductor layer, including a second semiconductor layer and an active layer, wherein the semiconductor pillar comprises an outmost periphery; a first contact layer formed on the first semiconductor layer and including a first contact portion and a first extending portion, wherein the first extending portion continuously surrounds an entirety of the outmost periphery of the semiconductor pillar and the first contact portion; a second contact layer formed on the second semiconductor layer; a first insulating layer including multiple first openings exposing the first contact layer and multiple second openings exposing the second contact layer; a first electrode contact layer connected to the first contact portion through the multiple first openings and covering all of the first contact layer; a second electrode contact layer connected to the second contact layer through the multiple second openings.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: February 4, 2025
    Assignee: EPISTAR CORPORATION
    Inventors: Aurelien Gauthier-Brun, Chao-Hsing Chen, Chang-Tai Hsaio, Chih-Hao Chen, Chi-Shiang Hsu, Jia-Kuen Wang, Yung-Hsiang Lin
  • Patent number: 12206169
    Abstract: An antenna module includes two antenna units, two isolation members, and a grounding member. Each antenna unit consists of two feeding ends, two first radiators, and two second radiators. The isolating members are disposed between the first and second portions of each antenna unit. The grounding member is disposed beside the two antenna units and the two isolation members. A first slot is formed among each first radiator, the second radiator, and the grounding member. The two second radiators are connected to the third radiator. A third slot is formed between the second radiator and the second portion. The two antenna units are symmetric to the fourth slot in a mirrored manner, and the two first portions have widths gradually changing along an extending direction of the fourth position.
    Type: Grant
    Filed: October 13, 2022
    Date of Patent: January 21, 2025
    Assignee: PEGATRON CORPORATION
    Inventors: Chien-Yi Wu, Chao-Hsu Wu, Cheng-Hsiung Wu, Chia-Hung Chen, Shih-Keng Huang, Hau Yuen Tan, Sheng-Chin Hsu, Tse-Hsuan Wang, Hao-Hsiang Yang
  • Publication number: 20240103377
    Abstract: A composition and method for removing a metal-containing layer or portion of a layer of a pellicle of an EUV mask are provided. The composition includes water; one or more oxidizing agents; and one or more acids. The method includes forming one or more layers over a silicon substrate with at least one of those layers includes a metal containing layer and removing the metal containing layer by contacting the metal containing layer with the composition of the disclosed and claimed subject matter.
    Type: Application
    Filed: October 15, 2020
    Publication date: March 28, 2024
    Applicant: Versum Materials US, LLC
    Inventors: CHAO-HSIANG CHEN, CHUNG-YI CHANG, YI-CHIA LEE, WEN DAR LIU
  • Publication number: 20240010915
    Abstract: Etching composition suitable for etching titanium nitride and molybdenum from a microelectronic device, which includes, consists essentially of, or consists of, in effective amounts: water; HNO3; optionally, at least one chloride ion source selected from the group of NH4Cl and HCl; a base selected from the group of an alkanolamine, NH4OH, a quaternary ammonium hydroxide, and mixtures thereof; optionally, at least one fluoride ion source; optionally, at least one heteroaromatic compound; and optionally, at least one water-miscible solvent selected from the group of diethylene glycol butyl ether, sulfolane, and propylene carbonate.
    Type: Application
    Filed: March 2, 2021
    Publication date: January 11, 2024
    Applicant: Versum Materials US, LLC
    Inventors: CHAO-HSIANG CHEN, JHIH KUEI GE, YI-CHIA LEE, WEN DAR LIU
  • Patent number: 11017995
    Abstract: Composition, method and system for TiN hard mask removal from electronic circuitry devices, such as advanced pattern wafers have been disclosed. The cleaning compositions preferably comprise an etchant agent (also referred to as a base), an oxidizing agent, an oxidizing stabilizer (also referred to as a chelating agent), an ammonium salt, a corrosion inhibitor, and a solvent. Other optional additives could be provided. It is preferable that the pH of the cleaning composition be greater than 5.5. The cleaning composition is preferably free from dimethyl sulfoxide and tetramethylammonium hydroxide.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: May 25, 2021
    Assignee: Versum Materials US, LLC
    Inventors: Chao-Hsiang Chen, Yi-Chia Lee, Wen Dar Liu, Chung-Yi Chang
  • Publication number: 20200035485
    Abstract: Composition, method and system for TiN hard mask removal from electronic circuitry devices, such as advanced pattern wafers have been disclosed. The cleaning compositions preferably comprise an etchant agent (also referred to as a base), an oxidizing agent, an oxidizing stabilizer (also referred to as a chelating agent), an ammonium salt, a corrosion inhibitor, and a solvent. Other optional additives could be provided. It is preferable that the pH of the cleaning composition be greater than 5.5. The cleaning composition is preferably free from dimethyl sulfoxide and tetramethylammonium hydroxide.
    Type: Application
    Filed: July 19, 2019
    Publication date: January 30, 2020
    Applicant: Versum Materials US, LLC
    Inventors: Chao-Hsiang Chen, Yi-Chia Lee, Wen Dar Liu, Chung-Yi Chang
  • Publication number: 20110166217
    Abstract: A pharmaceutical composition for preventing and/or treating bone loss is disclosed. The pharmaceutical composition includes an effective amount of a licorice, black bean, Cnidi Fructus, and buckhorn.
    Type: Application
    Filed: March 14, 2011
    Publication date: July 7, 2011
    Inventors: Chao Hsiang CHEN, Mei Yin CHIEN, Wen Mei FU, Jin-Ming CHANG
  • Publication number: 20110160298
    Abstract: A pharmaceutical composition for preventing and/or treating bone loss is disclosed. The pharmaceutical composition includes an effective amount of a licorice, black bean, Cnidi Fructus, and buckhorn.
    Type: Application
    Filed: March 14, 2011
    Publication date: June 30, 2011
    Inventors: Chao Hsiang CHEN, Mei Yin Chien, Wen Mei Hu, Jin-Ming Chang
  • Patent number: 7914821
    Abstract: A pharmaceutical composition for preventing and/or treating bone loss is disclosed. The pharmaceutical composition includes an effective amount of a licorice, black bean, Cnidi Fructus, and buckhorn.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: March 29, 2011
    Assignee: KO DA Pharmaceuticals Co., Ltd.
    Inventors: Chao Hsiang Chen, Mei-Yin Chien, Wen-Mei Fu, Jin-Ming Chang
  • Publication number: 20110039898
    Abstract: A method for scavenging free radicals and inhibiting tyrosinase and melanin is provided. The method includes administering to a subject of effective amounts in a pharmaceutical composition comprising a compound of Formula (I) or (II) and a pharmaceutical acceptable salt, metal salt or solvent. In Formula (II), R is C1-6 alkyl, vitamin C or sugar. X is chlorine, bromine or iodine. The subject is a human. The pharmaceutical composition is for external and internal use.
    Type: Application
    Filed: October 30, 2009
    Publication date: February 17, 2011
    Inventors: Chao-Hsiang CHEN, Mei-Yin Chien, Wen-Chi Hou, Yin-Hsiu Lin
  • Publication number: 20090226551
    Abstract: A pharmaceutical composition for preventing and/or treating bone loss is disclosed. The pharmaceutical composition includes an effective amount of a licorice, black bean, Cnidi Fructus, and buckhorn.
    Type: Application
    Filed: March 7, 2008
    Publication date: September 10, 2009
    Inventors: Chao Hsiang CHEN, Mei-Yin Chien, Wen-Mei Fu, Jin-Ming Chang
  • Publication number: 20080128482
    Abstract: This system of identification and labeling is set on the container or package of drugs and contains drug identification units for the identification of the drug name, including identification units of manufacturing batch number and time. The identification unit of manufacturing batch number is used for the identification of the batch number of the drug while the time identification unit for the identification of the expiry date of the drug, quickly making the consumers understanding the manufacturing batch number and the expiry date of the drug through reading the identification labels so as to effectively control the quality and conservation of drugs.
    Type: Application
    Filed: July 13, 2007
    Publication date: June 5, 2008
    Inventors: Chao-Hsiang Chen, Yi-Jui Chang, Mei-Limg Chen