Patents by Inventor Cheng-An WU

Cheng-An WU 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: 20240298413
    Abstract: A circuit board structure is provided. The circuit board structure includes a first insulating layer, a second insulating layer, a vertical conductive feature, and an electronic element. The first insulating layer has multiple bumps thereon. The second insulating layer is disposed on the first insulating layer. The vertical conductive feature includes a first via hole and a second via hole extending vertically in the first insulating layer. The electronic element is disposed in the second insulating layer and surrounded by the bumps. The electronic element is electrically connected to the first via hole.
    Type: Application
    Filed: October 31, 2023
    Publication date: September 5, 2024
    Inventor: Cheng-An WU
  • Patent number: 11641142
    Abstract: The present disclosure provides a stator and winding assembly thereof. The stator includes a stator core including a tube wall and a hollow portion and a winding assembly. The winding assembly is disposed in the hollow portion and includes a first winding group and a second winding group. The first winding group includes plural winding units disposed on an inner side of the tube wall and defining an outer layer. The second winding group includes plural winding units disposed on an inner side of the outer layer and defining an inner layer. Any one of the projections of the winding units at the inner layer is partially overlapped with the projections of the two adjacent winding units at the outer layer. A number of turns of the winding units of the first winding group is equal to or greater than that of the winding units of the second winding group.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: May 2, 2023
    Assignee: DELTA ELECTRONICS, INC.
    Inventors: Cheng-An Wu, Wei-Lun Kao, Min-Fu Hsieh
  • Publication number: 20220123619
    Abstract: The present disclosure provides a stator and winding assembly thereof. The stator includes a stator core including a tube wall and a hollow portion and a winding assembly. The winding assembly is disposed in the hollow portion and includes a first winding group and a second winding group. The first winding group includes plural winding units disposed on an inner side of the tube wall and defining an outer layer. The second winding group includes plural winding units disposed on an inner side of the outer layer and defining an inner layer. Any one of the projections of the winding units at the inner layer is partially overlapped with the projections of the two adjacent winding units at the outer layer. A number of turns of the winding units of the first winding group is equal to or greater than that of the winding units of the second winding group.
    Type: Application
    Filed: September 24, 2021
    Publication date: April 21, 2022
    Inventors: Cheng-An Wu, Wei-Lun Kao, Min-Fu Hsieh
  • Patent number: 10340466
    Abstract: Organic metal compounds, and organic light-emitting devices employing the same are provided. The organic metal compound has a chemical structure represented by Formula (I) or Formula (II): wherein, R1 is hydrogen, C1-12 alkyl, C1-12 alkoxy, amine, C2-6 alkenyl, C2-6 alkynyl, C5-10 cycloalkyl, C3-12 heteroaryl, or C6-12 aryl; R2, R3, R4, and R5 can be hydrogen, halogen, C1-12 alkyl, C1-12 alkoxy, C1-12 fluoroalkyl; R6 and R7 are independent and can be C1-6 alkyl, or phenyl; R8, R9, R10, R11, R12, R13, R14, and R15 can be hydrogen, halogen, C1-12 alkyl, C1-12 fluoroalkyl, or two adjacent groups of R2, R3, R4, R5, R8, R9, R10, R11, R12, R13, R14 and R15 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl; m is 1 or 2; and, n is 0 or 1.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: July 2, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng Lin, Yung-Chen Cheng, Jia-Lun Liou, Pang-Chi Huang, Cheng-An Wu, Meng-Hao Chang, Bing-Huang Jiang, Han-Cheng Yeh, Chun-Neng Ku, Mei-Rurng Tseng, Jung-Yu Liao, Jui-Chih Kao
  • Patent number: 10164199
    Abstract: Organic metal compounds, and organic light-emitting devices employing the same, are provided. The organic metal compound has a chemical structure represented by formula (I): wherein each R1 can be independently hydrogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group; R2 can be independently hydrogen, halogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: December 25, 2018
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng Lin, Cheng-An Wu, Pang-Chi Huang, Meng-Hao Chang, Han-Cheng Yeh, Chun-Neng Ku
  • Publication number: 20170155063
    Abstract: Organic metal compounds, and organic light-emitting devices employing the same are provided. The organic metal compound has a chemical structure represented by formula (I): wherein each R1 is independent and can be hydrogen, C1-12 alkyl group, C1-12 alkoxy group, amine, C2-6 alkenyl group, C2-6 alkynyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group; R2, R3, R4, and R5 are independent and can be hydrogen, halogen, C1-12 alkyl group, C1-12 fluoroalkyl group, or two adjacent groups of R2, R3, R4, and R5 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl group; R6 and R7 are independent and can be C1-6 alkyl group, or phenyl group; and, n is 0 or 1.
    Type: Application
    Filed: December 17, 2015
    Publication date: June 1, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Cheng-An WU, Meng-Hao CHANG, Bing-Huang JIANG, Han-Cheng YEH, Mei-Rurng TSENG, Pang-Chi HUANG, Jin-Sheng LIN, Chun-Neng KU, Jung-Yu LIAO
  • Publication number: 20170155065
    Abstract: Organic metal compounds, and organic light-emitting devices employing the same are provided. The organic metal compound has a chemical structure represented by Formula (I) or Formula (II): wherein, R1 is hydrogen, C1-12 alkyl, C1-12 alkoxy, amine, C2-6 alkenyl, C2-6 alkynyl, C5-10 cycloalkyl, C3-12 heteroaryl, or C6-12 aryl; R2, R3, R4, and R5 can be hydrogen, halogen, C1-12 alkyl, C1-12 alkoxy, C1-12 fluoroalkyl; R6 and R7 are independent and can be C1-6 alkyl, or phenyl; R8, R9, R10, R11, R12, R13, R14, and R15 can be hydrogen, halogen, C1-12 alkyl, C1-12 fluoroalkyl, or two adjacent groups of R2, R3, R4, R5, R8, R9, R10, R11, R12, R13, R14 and R15 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl; m is 1 or 2; and, n is 0 or 1.
    Type: Application
    Filed: November 25, 2016
    Publication date: June 1, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Yung-Chen CHENG, Jia-Lun LIOU, Pang-Chi HUANG, Cheng-An WU, Meng-Hao CHANG, Bing-Huang JIANG, Han-Cheng YEH, Chun-Neng KU, Mei-Rurng TSENG, Jung-Yu LIAO, Jui-Chih KAO
  • Patent number: 9496500
    Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure as represented as follows: wherein, R1 is independently the same or different C1-6 alkyl, and R2 is independently the same or different hydrogen, halogen, cyano, hydroxy, C1-8 alkyl group, C1-8 alkoxy group, C5-10 aryl, or C2-8 heteroaryl group.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: November 15, 2016
    Assignees: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, NATIONAL TSING HUA UNIVERSITY
    Inventors: Heh-Lung Huang, Cheng-An Wu, Chien-Hong Cheng
  • Publication number: 20160164007
    Abstract: Organic metal compounds, and organic light-emitting devices employing the same, are provided. The organic metal compound has a chemical structure represented by formula (I): wherein each R1 can be independently hydrogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group; R2 can be independently hydrogen, halogen, C1-12 alkyl group, C5-10 cycloalkyl group, C3-12 heteroaryl group, or C6-12 aryl group.
    Type: Application
    Filed: August 27, 2015
    Publication date: June 9, 2016
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Cheng-An WU, Pang-Chi HUANG, Meng-Hao CHANG, Han-Cheng YEH, Chun-Neng KU
  • Patent number: 9178164
    Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented below: wherein, R1 are independently a hydrogen, or C1-8 alkyl; and R2 is a hydrogen, hydroxy, or C1-8 alkoxy. The organic compounds have a high triplet energy (tEg) gap and apt to transmit the energy to a guest emitter.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: November 3, 2015
    Assignees: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, NATIONAL TSING HUA UNIVERSITY
    Inventors: Heh-Lung Huang, Cheng-An Wu, Chien-Hong Cheng
  • Publication number: 20150001521
    Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented below: wherein, R1 are independently a hydrogen, or C1-8 alkyl; and R2 is a hydrogen, hydroxy, or C1-8 alkoxy. The organic compounds have a high triplet energy (tEg) gap and apt to transmit the energy to a guest emitter.
    Type: Application
    Filed: September 18, 2014
    Publication date: January 1, 2015
    Applicants: NATIONAL TSING HUA UNIVERSITY, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Heh-Lung HUANG, Cheng-An WU, Chien-Hong CHENG
  • Publication number: 20140124752
    Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure as represented as follows: wherein, R1 is independently the same or different C1-6 alkyl, and R2 is independently the same or different hydrogen, halogen, cyano, hydroxy, C1-8 alkyl group, C1-8 alkoxy group, C5-10 aryl, or C2-8 heteroaryl group.
    Type: Application
    Filed: June 26, 2013
    Publication date: May 8, 2014
    Inventors: Heh-Lung HUANG, Cheng-An WU, Chien-Hong CHENG
  • Patent number: 8475939
    Abstract: An m-terphenyl derivative has a structure of formula (I) or (II): wherein A and B are five-membered heterocyclic compounds selected from the group consisting of pyrrole, pyrazole, imidazole, 1,2,3-triazole, 1,2,4-triazole, 1,2,3,4-tetrazole, 1,2-thiazole, 1,3-thiazole and 1,3,4-thiadiazole, each of substituents R, R1 and R2 is a member independently selected from the group consisting of H, halo, cyano, trifluoromethyl, amino, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C20 cycloalkyl, C3-C20 cycloalkenyl, C1-C20 heterocycloalkyl, C1-C20 heterocycloalkenyl, aryl and heteroaryl. The compound of the present invention may have advantages in good electron affinity, low HOMO and thereby achieving hole blocking and may be used for electron transport material and/or electron injection material.
    Type: Grant
    Filed: January 6, 2011
    Date of Patent: July 2, 2013
    Assignee: National Tsing Hua University
    Inventors: Chien-Hong Cheng, Cheng-An Wu, Fang-Iy Wu, Cheng-Hung Shih
  • Publication number: 20130032786
    Abstract: Organic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure represented below: wherein, R1 are independent and can be hydrogen, or C1-8 alkyl, and R2, and R3 can be hydrogen, hydroxy, C1-8 alkyl, C1-8 alkoxy, C5-10 aryl, or C2-8 heteroaryl. The organic compounds of the disclosure have a high triplet energy (tEg) gap and apt to transmit the energy to a guest emitter.
    Type: Application
    Filed: September 23, 2011
    Publication date: February 7, 2013
    Inventors: Heh-Lung HUANG, Cheng-An Wu, Chien-Hong Cheng
  • Publication number: 20110220880
    Abstract: An m-terphenyl derivative has a structure of formula (I) or (II): wherein A and B are five-membered heterocyclic compounds containing nitrogen, each of substituents R, R1 and R2 is a member independently selected from the group consisting of H, halo, cyano, trifluoromethyl, amino, C1-C10 alkyl, C2-C10 alkenyl, C2-C10 alkynyl, C3-C20 cycloalkyl, C3-C20 cycloalkenyl, C1-C20 heterocycloalkyl, C1-C20 heterocycloalkenyl, aryl and heteroaryl. The compound of the present invention may have advantages in good electron affinity, low HOMO and thereby achieving hole blocking and may be used for electron transport material and/or electron injection material.
    Type: Application
    Filed: January 6, 2011
    Publication date: September 15, 2011
    Inventors: Chien-Hong CHENG, Cheng-An WU, Fang-Iy WU, Cheng-Hung SHIH