Patents by Inventor Der-Gun Chou

Der-Gun Chou 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: 20190016850
    Abstract: A use of a polymerizable ultraviolet absorber is disclosed, which is applied to a polyurethane preparation. The polymerizable ultraviolet absorber is obtained by reacting an UV absorber having a reactive hydrogen group with a polyisocyanate having three —NCO groups. In addition, a composition for forming polyurethane comprising the aforementioned polymerizable ultraviolet absorber is also disclosed.
    Type: Application
    Filed: June 11, 2018
    Publication date: January 17, 2019
    Inventors: Kuang-Chin CHANG, Jui-Chi LIN, Jiu-Tai WEI, Yu-Ming TSAI, Tzu-Heng KO, Der-Gun CHOU
  • Patent number: 10005958
    Abstract: A polyurethane-based UV absorber, obtained by reacting a UV absorber having a reactive hydrogen with a polyisocyanate and a diol or polyol; wherein the weight average molecular weight of the polyurethane-based UV absorber is in a range of 10,000 to 200,000.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: June 26, 2018
    Assignee: EVERLIGHT CHEMICAL INDUSTRIAL CORPORATION
    Inventors: Mei-Ting Lu, Huei-Jen Yang, Yuan-Pin Pan, Tzu-Heng Ko, Der-Gun Chou, Bao-Kun Lai
  • Publication number: 20180002602
    Abstract: A polyurethane-based UV absorber, obtained by reacting a UV absorber having a reactive hydrogen with a polyisocyanate and a diol or polyol; wherein the weight average molecular weight of the polyurethane-based UV absorber is in a range of 10,000 to 200,000.
    Type: Application
    Filed: June 1, 2017
    Publication date: January 4, 2018
    Inventors: Mei-Ting LU, Huei-Jen YANG, Yuan-Pin PAN, Tzu-Heng KO, Der-Gun CHOU, Bao-Kun LAI
  • Patent number: 9683202
    Abstract: The present invention provides a softener composition, which attaches onto the fabric during the rinsing process, and thus enables the fabric to have the anti-ultraviolet function. The softener composition comprises (A) 0.05 to 50 wt % of polyurethane-based polymeric UV light absorber, (B) 2 to 15 wt % of cationic softener, and (C) 35 to 97 wt % of water.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: June 20, 2017
    Assignee: EVERLIGHT CHEMICAL INDUSTRIAL CORPORATION
    Inventors: Mei-Ting Lu, Tzu-Heng Ko, Yuan-Pin Pan, Der-Gun Chou, Shu-Chu Chou
  • Publication number: 20160060580
    Abstract: The present invention provides a softener composition, which attaches onto the fabric during the rinsing process, and thus enables the fabric to have the anti-ultraviolet function. The softener composition comprises (A) 0.05 to 50 wt % of polyurethane-based polymeric UV light absorber, (B) 2 to 15 wt % of cationic softener, and (C) 35 to 97 wt % of water.
    Type: Application
    Filed: August 11, 2015
    Publication date: March 3, 2016
    Inventors: Mei-Ting LU, Tzu-Heng KO, Yuan-Pin PAN, Der-Gun CHOU, Shu-Chu CHOU
  • Patent number: 8512421
    Abstract: A polyurethane derivative and a composition thereof are disclosed. The polyurethane derivative of the present invention has a structure of formula (I). The polyurethane derivative and the composition thereof can be used for increasing light fastness.
    Type: Grant
    Filed: September 18, 2012
    Date of Patent: August 20, 2013
    Assignee: Everlight Chemical Industrial Corporation
    Inventors: Hsin-Ying Lu, Sheue-Rong Lee, Tzu-Heng Ko, Hsiang-Lin Chiang, Der-Gun Chou
  • Patent number: 8278447
    Abstract: The present invention relates to a ruthenium complex represented by the following formula (I): RuL2(NCS)2Am??(I) wherein L, A and m are defined the same as the specification, and a photoelectric component using the same. The ruthenium complex of the present invention can be used in a Dye-Sensitized Solar Cell (DSSC). Hence, the photoelectric characteristics of the DSSC manufactured with the ruthenium complex of the present invention can be improved.
    Type: Grant
    Filed: December 30, 2008
    Date of Patent: October 2, 2012
    Assignee: Everlight USA, Inc.
    Inventors: Ching-Lin Chen, Ta-Chung Yin, Der-Gun Chou
  • Patent number: 8247689
    Abstract: The present invention relates to a ruthenium complex and a photoelectric component using the same, and the ruthenium complex is represented by the following formula (I): RuL2(NCS)2Am??(I) wherein L, A and m are defined the same as the specification. The ruthenium complex of the present invention is suitable for Dye-Sensitized Solar Cell (DSSC). Hence, the photoelectric characteristics of the DSSC manufactured with the ruthenium complex of the present invention can be improved.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: August 21, 2012
    Assignee: Everlight USA, Inc.
    Inventors: Ching-Lin Chen, Ta-Chung Yin, Der-Gun Chou
  • Publication number: 20120208929
    Abstract: A resin composition for LED encapsulation is provided. The resin composition includes an epoxy resin, a curing agent and a stress adjusting agent. The resin composition of the present invention improves reliability of LED products and meets requirements in industry.
    Type: Application
    Filed: February 13, 2012
    Publication date: August 16, 2012
    Applicant: EVERLIGHT USA, INC.
    Inventors: Der-Gun Chou, Wen-Jeng Lee, Ta-Ming Liu, Tsung-Yi Chao
  • Patent number: 8138276
    Abstract: The present invention relates to a silicone containing encapsulant composition. One embodiment of the encapsulant composition comprises (a) 30˜60 weight % of an epoxy resin; (b) 30˜60 weight % of an acid anhydride curing agent; (c) 0.1˜30 weight % of a Carbinol function silicone resin which can form a homogeneous mixture with (a) and (b) described above; and (d) 0.1˜5 weight % of a reactive UV absorber or HALS; and reactive anti-oxidant and/or phosphor containing flame retardant. The encapsulant composition can be used for a solid state light emitting device to achieve low internal stress and better -anti-yellowing performance.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: March 20, 2012
    Assignee: Everlight USA, Inc.
    Inventors: Tsung-Yi Chao, Wen-Jeng Lee, Der-Gun Chou, Yen-Cheng Li, Meng-Huang Yan
  • Publication number: 20110054076
    Abstract: The present invention relates to a silicone containing encapsulant composition. One embodiment of the encapsulant composition comprises (a) 30˜60 weight % of an epoxy resin; (b) 30˜60 weight % of an acid anhydride curing agent; (c) 0.1˜30 weight % of a Carbinol function silicone resin which can form a homogeneous mixture with (a) and (b) described above; and (d) 0.1˜5 weight % of a reactive UV absorber or HALS; and reactive anti-oxidant and/or phosphor containing flame retardant. The encapsulant composition can be used for a solid state light emitting device to achieve low internal stress and better-anti-yellowing performance.
    Type: Application
    Filed: December 3, 2009
    Publication date: March 3, 2011
    Applicant: Everlight USA, Inc.
    Inventors: Tsung-Yi Chao, Wen-Jeng Lee, Der-Gun Chou, Yen-Cheng Li, Meng-Huang Yan
  • Publication number: 20100096005
    Abstract: The present invention relates to a ruthenium complex represented by the following formula (I): RuL2(NCS)2Am ??(I) wherein L, A and m are defined the same as the specification, and a photoelectric component using the same. The ruthenium complex of the present invention can be used in a Dye-Sensitized Solar Cell (DSSC). Hence, the photoelectric characteristics of the DSSC manufactured with the ruthenium complex of the present invention can be improved.
    Type: Application
    Filed: December 30, 2008
    Publication date: April 22, 2010
    Applicant: Everlight USA, Inc.
    Inventors: Ching-Lin Chen, Ta-Chung Yin, Der-Gun Chou
  • Publication number: 20100084018
    Abstract: The present invention relates to a ruthenium complex and a photoelectric component using the same, and the ruthenium complex is represented by the following formula (I): RuL2(NCS)2Am??(I) wherein L, A and m are defined the same as the specification. The ruthenium complex of the present invention is suitable for Dye-Sensitized Solar Cell (DSSC). Hence, the photoelectric characteristics of the DSSC manufactured with the ruthenium complex of the present invention can be improved.
    Type: Application
    Filed: December 23, 2008
    Publication date: April 8, 2010
    Applicant: Everlight USA, Inc.
    Inventors: Ching-Lin Chen, Ta-chung Yin, Der-Gun Chou