Patents by Inventor Meng Hao Chang
Meng Hao Chang 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: 20240071538Abstract: The present disclosure provides a multi-state one-time programmable (MSOTP) memory circuit including a memory cell and a programming voltage driving circuit. The memory cell includes a MOS storage transistor, a first MOS access transistor and a second MOS access transistor electrically connected to store two bits of data. When the memory cell is in a writing state, the programming voltage driving circuit outputs a writing control potential to the gate of the MOS storage transistor, and when the memory cell is in a reading state, the programming voltage driving circuit outputs a reading control potential to the gate of the MOS storage transistor.Type: ApplicationFiled: August 22, 2023Publication date: February 29, 2024Inventors: CHEN-FENG CHANG, YU-CHEN LO, TSUNG-HAN LU, SHU-CHIEH CHANG, CHUN-HAO LIANG, DONG-YU WU, MENG-LIN WU
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Publication number: 20190207127Abstract: Organic metal compounds and organic light-emitting devices employing the same are provided. The organic metal compound has a chemical structure of Formula (I) or Formula (II): wherein X is O or S; L is R12 is and, n is 0, 1, or 2.Type: ApplicationFiled: July 5, 2018Publication date: July 4, 2019Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-Sheng LIN, Pang-Chi HUANG, Yung-Chen CHENG, Ching-Hui CHOU, Jia-Lun LIOU, Meng-Hao CHANG, Mei-Rurng TSENG
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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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Patent number: 10153441Abstract: Organic metal compounds, organic light-emitting devices, and lighting 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, halogen, C1-10 alkyl group, C5-10 cycloalkyl group, or C5-12 aryl group; R2 is trialkyl silyl group; and L is a picolinic acid ligand, a 2-(imidazol-2-yl) pyridine ligand, a 2-(4,5-dimethyl-imidazol-2-yl) pyridine ligand, a 3-(trifluoromethyl)-5-(pyridine-2-yl)-1,2,4-triazolate ligand, or a 3-(isobutyl)-5-(pyridine-2-yl)-1,2,4-triazolate ligand.Type: GrantFiled: March 30, 2015Date of Patent: December 11, 2018Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-Sheng Lin, Jia-Lun Liou, Meng-Hao Chang, Han-Cheng Yeh, Mei-Rurng Tseng
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Publication number: 20180175309Abstract: An organic metal complex is provided. The organic metal complex has the following formula (I): wherein R1 can be hydrogen, halogen, C1-12alkyl 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 independently of each other and can be hydrogen, halogen, C1-12 alkyl group, C1-12 alkoxy group, C1-12 fluoroalkyl group, or two adjacent 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-R13 are independent and can be hydrogen, halogen, C1-12 alkyl group, C1-12 fluoroalkyl group, or two adjacent R6-R13 are optionally combined with the carbon atoms which they are attached to, to form a cycloalkyl group, or aryl group and n is 1 or 2.Type: ApplicationFiled: April 27, 2017Publication date: June 21, 2018Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-Sheng LIN, Jia-Lun LIOU, Yung-Chen CHENG, Meng-Hao CHANG, Chun-Neng KU, Pang-Chi HUANG, Mei-Rurng TSENG
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Patent number: 9954189Abstract: Organic metal compounds and organic electroluminescence devices employing the same are provided. The organic metal compound has a chemical structure represented below: wherein R1, R2, R3, R4, and R5 are independent and can be hydrogen, halogen, C1-8 alkyl or C1-8alkoxy; L can be acetylacetone ligand, picolinic acid ligand, N, N?-diisopropylbenzamidinate, or N, N?-diisopropyl-diisopropyl-guanidinate.Type: GrantFiled: August 24, 2015Date of Patent: April 24, 2018Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Teng-Chih Chao, Ching-Hui Chou, Han-Cheng Yeh, Meng-Hao Chang
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Publication number: 20180066002Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure represented below: In Formula (I), one of R1 and R2 is trimethylsilyl (TMS) and the other is hydrogen, at least one of R3 and R4 is fluorine or C1-6 alkyl, or one of R3 and R4 is fluorine and the other is C1-6 alkyl, n is 2 or 3, and m is 0 or 1, wherein n+m=3.Type: ApplicationFiled: November 8, 2017Publication date: March 8, 2018Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-Sheng LIN, Jia-Lun LIOU, Meng-Hao CHANG, Han-Cheng YEH
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Patent number: 9902137Abstract: A thin metal substrate having high thermal conductivity includes a copper foil layer, an insulating polymer layer and a thermal conductive adhesive layer. The thermal conductive adhesive layer has a resin and a thermal conductive powder dispersed in the resin. The insulating polymer layer is disposed between the copper foil layer and the thermal conductive adhesive layer. Since the thermal conductive adhesive layer has the thermal conductive powder and the insulating polymer layer has insulating and anti-breakdown abilities, the substrate has a reduced thickness, high heat dissipating efficiency and improved insulating performance.Type: GrantFiled: April 3, 2012Date of Patent: February 27, 2018Assignee: AISA ELECTRONIC MATERIAL CO., LTDInventors: Meng Hao Chang, Chien Hui Lee, J. King Chen
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Patent number: 9893304Abstract: An organic metal complex and an organic electroluminescent device including the same are provided. The organic metal complex is represented by the formula of wherein Ar includes 1-naphthyl, 2-naphthyl or benzothienyl, and L includes acetylacetone, N,N-diisopropyl-benzamidinate or N,N-diisopropyl-diisopropyl-guanidinate. The organic electroluminescent device includes a pair of electrodes and an electroluminescent element disposed between the pair of electrodes, wherein the electroluminescent element includes the organic metal complex.Type: GrantFiled: May 16, 2014Date of Patent: February 13, 2018Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Teng-Chih Chao, Meng-Hao Chang, Han-Cheng Yeh, Ching-Hui Chou
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Publication number: 20170162804Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure represented below: In Formula (I), one of R1 and R2 is trimethylsilyl (TMS) and the other is hydrogen, at least one of R3 and R4 is fluorine or C1-6 alkyl, or one of R3 and R4 is fluorine and the other is C1-6 alkyl, n is 2 or 3, and m is 0 or 1, wherein n+m=3.Type: ApplicationFiled: June 10, 2016Publication date: June 8, 2017Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-Sheng LIN, Jia-Lun LIOU, Meng-Hao CHANG, Han-Cheng YEH
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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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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: 20160293861Abstract: Organic metal compounds, organic light-emitting devices, and lighting 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, halogen, C1-10 alkyl group, C5-10 cycloalkyl group, or C5-12 aryl group; R2 is trialkyl silyl group; and L is a picolinic acid ligand, a 2-(imidazol-2-yl) pyridine ligand, a 2-(4,5-dimethyl-imidazol-2-yl) pyridine ligand, a 3-(trifluoromethyl)-5-(pyridine-2-yl)-1,2,4-triazolate ligand, or a 3-(isobutyl)-5-(pyridine-2-yl)-1,2,4-triazolate ligand.Type: ApplicationFiled: March 30, 2015Publication date: October 6, 2016Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-Sheng LIN, Jia-Lun LIOU, Meng-Hao CHANG, Han-Cheng YEH, Mei-Rurng TSENG
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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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Publication number: 20160164006Abstract: Organic metal compounds and organic electroluminescence devices employing the same are provided. The organic metal compound has a chemical structure represented below: wherein R1, R2, R3, R4, and R5 are independent and can be hydrogen, halogen, C1-8 alkyl or C1-8alkoxy; L can be acetylacetone ligand, picolinic acid ligand, N,N?-diisopropylbenzamidinate, or N,N?-diisopropyl-diisopropyl-guanidinate.Type: ApplicationFiled: August 24, 2015Publication date: June 9, 2016Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Teng-Chih CHAO, Ching-Hui CHOU, Han-Cheng YEH, Meng-Hao CHANG
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Publication number: 20150188060Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure as represented by wherein R1, R2 are hydrogen, phenyl, biphenyl, diisopropyl amino, or derivatives thereof. The organic electroluminescence device includes a pair of electrodes and an electroluminescent element disposed between the pair of electrodes, wherein the electroluminescent element includes the organometallic compound.Type: ApplicationFiled: May 16, 2014Publication date: July 2, 2015Applicants: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Ritdisplay CorporationInventors: Teng-Chih CHAO, Meng-Hao CHANG, Han-Cheng YEH, Ching-Hui CHOU
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Publication number: 20150188059Abstract: An organic metal complex and an organic electroluminescent device including the same are provided. The organic metal complex is represented by the formula of wherein Ar includes 1-naphthyl, 2-naphthyl or benzothienyl, and L includes acetylacetone, N,N-diisopropyl-benzamidinate or N,N-diisopropyl-diisopropyl-guanidinate. The organic electroluminescent device includes a pair of electrodes and an electroluminescent element disposed between the pair of electrodes, wherein the electroluminescent element includes the organic metal complex.Type: ApplicationFiled: May 16, 2014Publication date: July 2, 2015Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Teng-Chih CHAO, Meng-Hao CHANG, Han-Cheng YEH, Ching-Hui CHOU
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Publication number: 20150179959Abstract: Organic metal compounds, organic light-emitting devices, and a method for preparing the same are provided. The organic metal compound has a chemical structure represented by Formula (I): wherein one of R1 and R2 is hydrogen, and the other is trialkyl silyl group; and L is an acetylacetone ligand, a picolinate ligand, a 2-(imidazol-2-yl) pyridine ligand, a 2-(4,5-dimethyl-imidazol-2-yl)pyridine ligand, a 3-(trifluoromethyl)-5-(pyridine-2-yl)-1,2,4-triazolate ligand, or a 3-(tert-butyl)-5-(pyridine-2-yl)-1,2,4-triazolate ligand.Type: ApplicationFiled: December 10, 2014Publication date: June 25, 2015Applicants: RITDISPLAY CORPORATION, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Jin-Sheng LIN, Jia-Lun LIOU, Chun-Neng KU, Meng-Hao CHANG, Han-Cheng YEH
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Publication number: 20130040120Abstract: A thin metal substrate having high thermal conductivity includes a copper foil layer, an insulating polymer layer and a thermal conductive adhesive layer. The thermal conductive adhesive layer has a resin and a thermal conductive powder dispersed in the resin. The insulating polymer layer is disposed between the copper foil layer and the thermal conductive adhesive layer. Since the thermal conductive adhesive layer has the thermal conductive powder and the insulating polymer layer has insulating and anti-breakdown abilities, the substrate has a reduced thickness, high heat dissipating efficiency and improved insulating performance.Type: ApplicationFiled: April 3, 2012Publication date: February 14, 2013Applicant: AISA ELECTRONIC MATERIAL CO., LTDInventors: Meng Hao Chang, Chien Hui Lee, J. King Chen