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).
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Publication number: 20240298413Abstract: 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: ApplicationFiled: October 31, 2023Publication date: September 5, 2024Inventor: Cheng-An WU
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Patent number: 11641142Abstract: 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: GrantFiled: September 24, 2021Date of Patent: May 2, 2023Assignee: DELTA ELECTRONICS, INC.Inventors: Cheng-An Wu, Wei-Lun Kao, Min-Fu Hsieh
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Publication number: 20220123619Abstract: 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: ApplicationFiled: September 24, 2021Publication date: April 21, 2022Inventors: Cheng-An Wu, Wei-Lun Kao, Min-Fu Hsieh
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Patent number: 10340466Abstract: 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: GrantFiled: November 25, 2016Date of Patent: July 2, 2019Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: 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
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Patent number: 10164199Abstract: 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: GrantFiled: August 27, 2015Date of Patent: December 25, 2018Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-Sheng Lin, Cheng-An Wu, Pang-Chi Huang, Meng-Hao Chang, Han-Cheng Yeh, Chun-Neng Ku
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Publication number: 20170155063Abstract: 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: ApplicationFiled: December 17, 2015Publication date: June 1, 2017Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: 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
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Publication number: 20170155065Abstract: 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: ApplicationFiled: November 25, 2016Publication date: June 1, 2017Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: 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
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Patent number: 9496500Abstract: 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: GrantFiled: June 26, 2013Date of Patent: November 15, 2016Assignees: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, NATIONAL TSING HUA UNIVERSITYInventors: Heh-Lung Huang, Cheng-An Wu, Chien-Hong Cheng
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Publication number: 20160164007Abstract: 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: ApplicationFiled: August 27, 2015Publication date: June 9, 2016Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-Sheng LIN, Cheng-An WU, Pang-Chi HUANG, Meng-Hao CHANG, Han-Cheng YEH, Chun-Neng KU
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Patent number: 9178164Abstract: 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: GrantFiled: September 18, 2014Date of Patent: November 3, 2015Assignees: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, NATIONAL TSING HUA UNIVERSITYInventors: Heh-Lung Huang, Cheng-An Wu, Chien-Hong Cheng
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Publication number: 20150001521Abstract: 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: ApplicationFiled: September 18, 2014Publication date: January 1, 2015Applicants: NATIONAL TSING HUA UNIVERSITY, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Heh-Lung HUANG, Cheng-An WU, Chien-Hong CHENG
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Publication number: 20140124752Abstract: 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: ApplicationFiled: June 26, 2013Publication date: May 8, 2014Inventors: Heh-Lung HUANG, Cheng-An WU, Chien-Hong CHENG
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Patent number: 8475939Abstract: 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: GrantFiled: January 6, 2011Date of Patent: July 2, 2013Assignee: National Tsing Hua UniversityInventors: Chien-Hong Cheng, Cheng-An Wu, Fang-Iy Wu, Cheng-Hung Shih
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Publication number: 20130032786Abstract: 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: ApplicationFiled: September 23, 2011Publication date: February 7, 2013Inventors: Heh-Lung HUANG, Cheng-An Wu, Chien-Hong Cheng
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Publication number: 20110220880Abstract: 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: ApplicationFiled: January 6, 2011Publication date: September 15, 2011Inventors: Chien-Hong CHENG, Cheng-An WU, Fang-Iy WU, Cheng-Hung SHIH