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).

  • Publication number: 20240071538
    Abstract: 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: Application
    Filed: August 22, 2023
    Publication date: February 29, 2024
    Inventors: CHEN-FENG CHANG, YU-CHEN LO, TSUNG-HAN LU, SHU-CHIEH CHANG, CHUN-HAO LIANG, DONG-YU WU, MENG-LIN WU
  • Publication number: 20190207127
    Abstract: 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: Application
    Filed: July 5, 2018
    Publication date: July 4, 2019
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Pang-Chi HUANG, Yung-Chen CHENG, Ching-Hui CHOU, Jia-Lun LIOU, Meng-Hao CHANG, Mei-Rurng TSENG
  • 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
  • Patent number: 10153441
    Abstract: 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: Grant
    Filed: March 30, 2015
    Date of Patent: December 11, 2018
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng Lin, Jia-Lun Liou, Meng-Hao Chang, Han-Cheng Yeh, Mei-Rurng Tseng
  • Publication number: 20180175309
    Abstract: 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: Application
    Filed: April 27, 2017
    Publication date: June 21, 2018
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Jia-Lun LIOU, Yung-Chen CHENG, Meng-Hao CHANG, Chun-Neng KU, Pang-Chi HUANG, Mei-Rurng TSENG
  • Patent number: 9954189
    Abstract: 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: Grant
    Filed: August 24, 2015
    Date of Patent: April 24, 2018
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Teng-Chih Chao, Ching-Hui Chou, Han-Cheng Yeh, Meng-Hao Chang
  • Publication number: 20180066002
    Abstract: 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: Application
    Filed: November 8, 2017
    Publication date: March 8, 2018
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Jia-Lun LIOU, Meng-Hao CHANG, Han-Cheng YEH
  • Patent number: 9902137
    Abstract: 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: Grant
    Filed: April 3, 2012
    Date of Patent: February 27, 2018
    Assignee: AISA ELECTRONIC MATERIAL CO., LTD
    Inventors: Meng Hao Chang, Chien Hui Lee, J. King Chen
  • Patent number: 9893304
    Abstract: 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: Grant
    Filed: May 16, 2014
    Date of Patent: February 13, 2018
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Teng-Chih Chao, Meng-Hao Chang, Han-Cheng Yeh, Ching-Hui Chou
  • Publication number: 20170162804
    Abstract: 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: Application
    Filed: June 10, 2016
    Publication date: June 8, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Jia-Lun LIOU, Meng-Hao CHANG, Han-Cheng YEH
  • 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
  • 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: 20160293861
    Abstract: 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: Application
    Filed: March 30, 2015
    Publication date: October 6, 2016
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Jia-Lun LIOU, Meng-Hao CHANG, Han-Cheng YEH, Mei-Rurng TSENG
  • 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
  • Publication number: 20160164006
    Abstract: 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: Application
    Filed: August 24, 2015
    Publication date: June 9, 2016
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Teng-Chih CHAO, Ching-Hui CHOU, Han-Cheng YEH, Meng-Hao CHANG
  • Publication number: 20150188060
    Abstract: 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: Application
    Filed: May 16, 2014
    Publication date: July 2, 2015
    Applicants: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Ritdisplay Corporation
    Inventors: Teng-Chih CHAO, Meng-Hao CHANG, Han-Cheng YEH, Ching-Hui CHOU
  • Publication number: 20150188059
    Abstract: 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: Application
    Filed: May 16, 2014
    Publication date: July 2, 2015
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Teng-Chih CHAO, Meng-Hao CHANG, Han-Cheng YEH, Ching-Hui CHOU
  • Publication number: 20150179959
    Abstract: 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: Application
    Filed: December 10, 2014
    Publication date: June 25, 2015
    Applicants: RITDISPLAY CORPORATION, INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Jin-Sheng LIN, Jia-Lun LIOU, Chun-Neng KU, Meng-Hao CHANG, Han-Cheng YEH
  • Publication number: 20130040120
    Abstract: 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: Application
    Filed: April 3, 2012
    Publication date: February 14, 2013
    Applicant: AISA ELECTRONIC MATERIAL CO., LTD
    Inventors: Meng Hao Chang, Chien Hui Lee, J. King Chen