Patents by Inventor Yi-Chang Du

Yi-Chang Du 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: 12006460
    Abstract: A photoelectric conversion compound is provided. The photoelectric conversion compound has a structure represented by formula (I): wherein D represents an inorganic luminescent group; each of R1, R2, and R3 independently represents a hydrogen atom or a C1-6 alkyl group; R4 represents a single bond or a C1-6 alkylene group; m represents an integer of 1-10; k represents an integer of 1-1,000; and n represents an integer of 1-10,000.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: June 11, 2024
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Min-Tsung Kuan, Wen-Hsien Wang, Yi-Chang Du, Szu-Lin Wang, Wen-Hsien Chou, Hsin-Hsin Hsieh
  • Publication number: 20230212455
    Abstract: A photoelectric conversion compound is provided. The photoelectric conversion compound has a structure represented by formula (I): wherein D represents an inorganic luminescent group; each of R1, R2, and R3 independently represents a hydrogen atom or a C1-6 alkyl group; R4 represents a single bond or a C1-6 alkylene group; m represents an integer of 1-10; k represents an integer of 1-1,000; and n represents an integer of 1-10,000.
    Type: Application
    Filed: December 30, 2021
    Publication date: July 6, 2023
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Min-Tsung KUAN, Wen-Hsien WANG, Yi-Chang DU, Szu-Lin WANG, Wen-Hsien CHOU, Hsin-Hsin HSIEH
  • Publication number: 20230205031
    Abstract: An electrochromic composition, an electrochromic layer and an electrochromic device are provided. The electrochromic composition includes 20-80 parts by weight of polyimide, 20-80 parts by weight of silicon oxide nanoparticle, 1-50 parts by weight of electrochromic material, and 850 to 1200 parts by weight of solvent. The polyimide is a reaction product of a dianhydride and a diamine. The dianhydride and the diamine are as defined in the specification.
    Type: Application
    Filed: December 20, 2022
    Publication date: June 29, 2023
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hsiang-Jui CHEN, Yi-Chang DU, Jauder JENG, Jheng-Ying LI
  • Publication number: 20230107749
    Abstract: A composition for an electrolytic capacitor and an electrolytic capacitor including the composition is provided. The composition includes an intrinsically conductive polymer and an electrolyte solution. The electrolyte solution includes an organic solvent, an ionic salt compound and a succinimide-based compound.
    Type: Application
    Filed: October 4, 2022
    Publication date: April 6, 2023
    Applicant: Industrial Technology Research Institute
    Inventors: Yi-Chang Du, Jenn-Yeu Hwang, Li-Duan Tsai
  • Patent number: 10790072
    Abstract: Provided is a conductive polymer composite material including an intrinsically conductive polymer, a cellulose nanofiber, and a polyol, wherein the surface of the cellulose nanofiber contains a carboxylic group. In one embodiment, based on 100 parts by weight of the intrinsically conductive polymer, the content of the cellulose nanofiber is 1 to 100 parts by weight, and the content of the polyol is 10 to 3,000 parts by weight. A capacitor including the conductive polymer composite material is also provided.
    Type: Grant
    Filed: August 1, 2019
    Date of Patent: September 29, 2020
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Chang Du, Yi-Hsiu Pan, Li-Duan Tsai
  • Publication number: 20200043628
    Abstract: Provided is a conductive polymer composite material including an intrinsically conductive polymer, a cellulose nanofiber, and a polyol, wherein the surface of the cellulose nanofiber contains a carboxylic group. In one embodiment, based on 100 parts by weight of the intrinsically conductive polymer, the content of the cellulose nanofiber is 1 to 100 parts by weight, and the content of the polyol is 10 to 3,000 parts by weight. A capacitor including the conductive polymer composite material is also provided.
    Type: Application
    Filed: August 1, 2019
    Publication date: February 6, 2020
    Applicant: Industrial Technology Research Institute
    Inventors: Yi-Chang Du, Yi-Hsiu Pan, Li-Duan Tsai
  • Patent number: 10262808
    Abstract: A conductive composite is provided, which includes a conductive conjugated polymer and a mixture. The mixture includes (a) boron oxide, and (b) sulfur-containing compound, nitrogen-containing compound, or a combination thereof. A capacitor is also provided, which includes an anode electrode, a dielectric layer on the anode electrode, a cathode electrode, and an electrolyte between the dielectric layer and the cathode electrode, wherein the electrolyte includes the described conductive composite.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: April 16, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Chang Du, Li-Duan Tsai
  • Patent number: 10020119
    Abstract: A capacitor structure is provided, which includes a positive electrode, a dielectric layer on the positive electrode, and an organic-inorganic composite layer on the dielectric layer. The capacitor structure also includes a negative electrode, and a conductive conjugated polymer electrolyte disposed between the organic-inorganic composite layer and the negative electrode.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: July 10, 2018
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Chang Du, Li-Duan Tsai, Kan-Hsuan Lin
  • Publication number: 20170186556
    Abstract: A capacitor structure is provided, which includes a positive electrode, a dielectric layer on the positive electrode, and an organic-inorganic composite layer on the dielectric layer. The capacitor structure also includes a negative electrode, and a conductive conjugated polymer electrolyte disposed between the organic-inorganic composite layer and the negative electrode.
    Type: Application
    Filed: December 22, 2016
    Publication date: June 29, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Chang DU, Li-Duan TSAI, Kan-Hsuan LIN
  • Publication number: 20170186555
    Abstract: A conductive composite is provided, which includes a conductive conjugated polymer and a mixture. The mixture includes (a) boron oxide, and (b) sulfur-containing compound, nitrogen-containing compound, or a combination thereof. A capacitor is also provided, which includes an anode electrode, a dielectric layer on the anode electrode, a cathode electrode, and an electrolyte between the dielectric layer and the cathode electrode, wherein the electrolyte includes the described conductive composite.
    Type: Application
    Filed: November 14, 2016
    Publication date: June 29, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yi-Chang DU, Li-Duan TSAI
  • Publication number: 20170168205
    Abstract: A wideband compound phase-retardation film including a half-wave phase-retardation film and a quarter-wave phase-retardation film with different reactive rod-like liquid crystal combination is provided. The half-wave phase-retardation film uses material having a birefringence of ?n1, and the quarter-wave phase-retardation film uses material having a birefringence of ?n2. The birefringence ?n1 is smaller than the birefringence ?n2. Furthermore, the birefringence dispersion ?n1(?) is also smaller than ?n2(?).
    Type: Application
    Filed: December 31, 2015
    Publication date: June 15, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Pao-Ju HSIEH, Chi-Fu TSENG, Yi-Chang DU, Mei-Chih PENG
  • Publication number: 20160247633
    Abstract: An oxidant mixture for conjugated polymer synthesis is provided. The oxidant mixture at least includes an oxidant, a polyether and a nitrogen-containing compound, or at least include the oxidant, the polyether and a nitrogen-containing polymer, or at least include the oxidant and a polyether compound with nitrogen-containing functional groups, wherein the oxidant mixture and a precursor of a monomer of a conjugated polymer are polymerized directly on a surfac of a dielectric layer.
    Type: Application
    Filed: April 29, 2016
    Publication date: August 25, 2016
    Inventors: Yi-Chang Du, Li-Duan Tsai, Hung-Chung Chien
  • Publication number: 20160240322
    Abstract: A composition for conductive polymer synthesis is disclosed. The composition includes a monomer, an oxidant, and a nitrogen-containing polymer. The nitrogen-containing polymer includes a cyclic nitrogen-containing polymer, a polymer with primary amine group, a polymer with secondary amine group, a polymer with tertiary amine group, a polymer with quaternary ammonium group, or a combination thereof.
    Type: Application
    Filed: April 28, 2016
    Publication date: August 18, 2016
    Inventors: Hung-Chung Chien, Li-Duan Tsai, Yi-Chang Du
  • Patent number: 9390863
    Abstract: Provided is a composite electrode including a metal layer and a composite dielectric layer. The composite dielectric layer includes a metal oxide dielectric layer and a polymer dielectric layer. The composite dielectric layer overlays the metal layer. The polymer dielectric layer includes a nitrogen-containing polymer and overlays the metal oxide dielectric layer. An electrolytic capacitor is also provided. The electrolytic capacitor has a polymer dielectric layer made of a nitrogen-containing polymer, and such polymer dielectric layer is beneficial to increase the insulating property of the metal oxide dielectric layer and the coverage property of the conductive polymer. Thereby, the conventional leakage current can be significantly reduced and the yield can be improved.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: July 12, 2016
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hung-Chung Chien, Yi-Chang Du, Li-Duan Tsai
  • Patent number: 9362057
    Abstract: An electrolyte mixture for electrolytic capacitor is disclosed. The electrolyte mixture includes a conductive polymer and a nitrogen-containing polymer. The nitrogen-containing polymer includes a cyclic nitrogen-containing polymer, a polymer with primary amine group, a polymer with secondary amine group, a polymer with tertiary amine group, a polymer with quaternary ammonium group, or a combination thereof.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: June 7, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Hung-Chung Chien, Li-Duan Tsai, Yi-Chang Du
  • Patent number: 9355785
    Abstract: An electrolyte mixture for an electrolytic capacitor is provided. The electrolyte mixture includes a conjugated polymer, a polyether and a nitrogen-containing compound, or includes the conjugated polymer, the polyether and a nitrogen-containing polymer, or includes the conjugated polymer and a polyether with nitrogen-containing functional groups. The electrolyte mixture provides a very high static capacitance for an electrolytic capacitor having the same.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: May 31, 2016
    Assignee: Industrial Technology Research Institute
    Inventors: Yi-Chang Du, Li-Duan Tsai, Hung-Chung Chien
  • Publication number: 20160148162
    Abstract: Method of searching a target calendar event using electronic device includes recording a calendar event when the calendar event is newly generated. A time period is set for searching target calendar events. One or more target calendar events is determined generated during the time period, and a date is determined corresponding to each of the one or more target calendar events. The time period is highlighted using a calendar view, and a preset icon is displayed in a data grid of each of the one or more determined dates of the calendar view.
    Type: Application
    Filed: December 22, 2014
    Publication date: May 26, 2016
    Inventor: YI-CHANG DU
  • Patent number: 9156923
    Abstract: An oxidizing agent useful for oxidative polymerization of high conductive polymers is provided. This oxidizing agent is a kind of organic metal complex formed of metal ion salts having oxidizing capability and nitrogen-containing compound having lone pair electrons with partial ?-electron character. This organic metal complex has weak oxidizing strength for monomers at room temperature. As such, a mixture of the organic metal complex and the monomers has long-term stability under room temperature. While, at a high temperature, the organic metal complex provides proper oxidative polymerization capability for the monomers. The conductive polymers synthesized by the organic metal complex have excellent conductivity.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: October 13, 2015
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Li-Duan Tsai, Yi-Chang Du
  • Patent number: 9093398
    Abstract: A brightness enhanced self-luminous type display including a self-luminous display panel and a brightness enhancement stacked layer is provided. The self-luminous display panel includes pixels arranged in array, wherein each pixel includes light-emitting sub-pixels displaying different colors. The brightness enhancement stacked layer is disposed on the self-luminous display panel. The brightness enhancement stacked layer includes an absorptive polarizer layer, a phase retardation layer and a reflective polarizer layer. The reflective polarizer layer is between the self-luminous display panel and the phase retardation layer. The phase retardation layer is between the absorptive polarizer layer and the reflective polarizer layer. The reflective polarizer layer includes reflective polarizer blocks arranged in array.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: July 28, 2015
    Assignee: Industrial Technology Research Institute
    Inventors: Hui-Lung Kuo, Mei-Chih Peng, Yi-Chang Du, Mei-Rurng Tseng
  • Publication number: 20150187496
    Abstract: Provided is a composite electrode including a metal layer and a composite dielectric layer. The composite dielectric layer includes a metal oxide dielectric layer and a polymer dielectric layer. The composite dielectric layer overlays the metal layer. The polymer dielectric layer includes a nitrogen-containing polymer and overlays the metal oxide dielectric layer. An electrolytic capacitor is also provided. The electrolytic capacitor has a polymer dielectric layer made of a nitrogen-containing polymer, and such polymer dielectric layer is beneficial to increase the insulating property of the metal oxide dielectric layer and the coverage property of the conductive polymer. Thereby, the conventional leakage current can be significantly reduced and the yield can be improved.
    Type: Application
    Filed: September 16, 2014
    Publication date: July 2, 2015
    Inventors: Hung-Chung Chien, Yi-Chang Du, Li-Duan Tsai