Patents by Inventor Chih-Wei Chu

Chih-Wei Chu 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: 20080149174
    Abstract: A polymer solar cell and a manufacturing method thereof are disclosed. The cell includes a substrate, a first electrode located on top of the substrate, a conductive polymer layer having a conductive polymer and an additive located on the first electrode, a semiconductor layer over the conductive polymer layer and a second electrode over the semiconductor layer. The manufacturing method of the polymer solar cell is composed of following steps: growing a first electrode on a substrate; mixing an additive and a conductive polymer to form a mixture; depositing the mixture on the first electrode to form a conductive polymer layer; depositing a semiconductor layer on the conductive polymer layer and evaporating a second electrode on the semiconductor layer. By adding additive into the conductive polymer, resistance of the conductive polymer layer is reduced and efficiency of the cell is improved.
    Type: Application
    Filed: May 23, 2007
    Publication date: June 26, 2008
    Inventors: Fang-Chung Chen, Chih-Wei Chu, Chu-Jung Ko, Yi-Kai Lin
  • Publication number: 20080089113
    Abstract: An electronic or electro-optic device according to an embodiment of this invention has a first electrode, a second electrode spaced apart from the first electrode, and an organic composite layer disposed between the first electrode and the second electrode. The organic composite layer is composed of an electron donor material, an electron acceptor material, and a polymer matrix material. The organic composite layer exhibits substantial bistability of an electrical property.
    Type: Application
    Filed: October 27, 2005
    Publication date: April 17, 2008
    Applicant: The Regents of the University of California
    Inventors: Yang Yang, Jianyong Ouyang, Chih-Wei Chu
  • Publication number: 20080057237
    Abstract: A heat-shrinkable PET film comprises a thermally stretched film body exhibiting shape-memory characteristics and made from a PET material of a modified PET composition that includes terephthalic acid, ethylene glycol, and a modifier selected from 1,3-dihydroxy-2-methylpropane, 1,3-dihydroxy-2-methylpropane alkoxylate, 2,5-dimethyl-2,5-hexanediol, and combinations thereof.
    Type: Application
    Filed: August 29, 2007
    Publication date: March 6, 2008
    Applicant: FAR EASTERN TEXTILE LTD.
    Inventors: Pang-Chin LIU, Chih-Heng WU, Chih-Wei CHU, Roy WU
  • Publication number: 20080058488
    Abstract: A PET material of a modified PET composition includes: terephthalic acid; ethylene glycol; a modifier; and a chain branching agent selected from one of a non-cyclic compound and a cyclic compound. The non-cyclic compound has at least three functional groups, and the cyclic compound, after ring opening, has at least three functional groups. Each of the functional groups of each of the non-cyclic compound and the cyclic compound is selected from hydroxyl group, carboxyl group, amine group, epoxy group, NCO, and COOR, in which R represents a C1-C18 alkyl group.
    Type: Application
    Filed: August 29, 2007
    Publication date: March 6, 2008
    Applicant: FAR EASTERN TEXTILE LTD.
    Inventors: Pang-Chin LIU, Chih-Heng WU, Cheng-Hsiang CHUNG, Chih-Wei CHU, Roy WU
  • Patent number: 7129301
    Abstract: A method for preparing a biodegradable copolyester includes: (a) optionally preparing an aromatic prepolymer by reacting a first aromatic dicarboxylic compound with a first aliphatic glycol; (b) reacting the aromatic prepolymer with a second aromatic dicarboxylic compound and a second aliphatic glycol so as to form a first reaction product; (c) reacting the first reaction product with an aliphatic dicarboxylic compound so as to form a second reaction product; and (d) performing polycondensation of the second reaction product.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: October 31, 2006
    Assignee: Far Eastern Textile Ltd.
    Inventors: Ru-Yu Wu, Chih-Wei Chu, Li-Ling Chang, Yi-Hsuan Tang, Ping-Sheng Lai
  • Publication number: 20060155099
    Abstract: A method for preparing a biodegradable copolyester includes: (a) optionally preparing an aromatic prepolymer by reacting a first aromatic dicarboxylic compound with a first aliphatic glycol; (b) reacting the aromatic prepolymer with a second aromatic dicarboxylic compound and a second aliphatic glycol so as to form a first reaction product; (c) reacting the first reaction product with an aliphatic dicarboxylic compound so as to form a second reaction product; and (d) performing polycondensation of the second reaction product.
    Type: Application
    Filed: April 28, 2005
    Publication date: July 13, 2006
    Applicant: Far Eastern Textile Ltd.
    Inventors: Ru-Yu Wu, Chih-Wei Chu, Li-Ling Chang, Yi-Hsuan Tang, Ping-Sheng Lai
  • Publication number: 20050282005
    Abstract: High frequency-weldable articles, such as sheets or yarns, include at least one high frequency-weldable part that is made from a modified polyethylene terephthalate (PET) material and that has a melting point ranging from 100° C. to 250° C. The modified PET material is prepared from a composition that includes terephthalic acid, ethylene glycol andadiol modifier. The diol modifier is selected from the group consisting of neopentanediol, 1,3-dihydroxy-2-methylpropane, 1,3-dihydroxy-2-methylpropane alkoxylate, 2,5-dimethyl-2,5-hexanediol, polyethylene glycol, and combinations thereof.
    Type: Application
    Filed: October 22, 2004
    Publication date: December 22, 2005
    Inventors: Ru-Yu Wu, Tsung-Hui Chao, Chih-Wei Chu
  • Publication number: 20050142282
    Abstract: A process for making water-repellent electrode comprises: A. mixing Pt/C catalyst powder with a solvent and ionomer for forming an ionomer-coated catalyst powder; B. mixing carbon fiber, carbon powder with a solvent and a hydrophobic polymer for forming a hydrophobic powder coated with the hydrophobic polymer; and C. homogeneously blending the catalyst powder and the hydrophobic powder in a solvent for forming a suspension, which is then filtered and printed on a carbon paper or carbon cloth by transfer printing, and further dried to obtain a hydrophobic electrode.
    Type: Application
    Filed: December 16, 2004
    Publication date: June 30, 2005
    Inventors: Yu-Chen Chang, Huan-Hsiung Tseng, Jia-Yun Jiang, Hung-Wen Chen, Chih-Wei Chu, Li-Chen Chang
  • Publication number: 20040259481
    Abstract: A method of polishing metal and barrier layer interconnect integrated with an extremely low dielectric constant material includes steps of (A) preparing a wafer composed of a copper layer and the extremely low dielectric constant material, (B) treating the copper layer chemically to produce a hard and brittle surface residual formed on the surface of the copper layer, (C) keeping polishing the surface residual by ultrasonic waves, (D) polishing a barrier layer of wafer by the ultrasonic waves, thereby polishing the wafer successfully.
    Type: Application
    Filed: July 14, 2003
    Publication date: December 23, 2004
    Applicant: CHUNG SHAN INSTITUTE OF SCIENCE & TECHNOLOGY
    Inventors: Wen-Chueh Pan, Jer-Shyong Lai, Yih-Hsing Wang, Yang-Jiann Fann, Chih-Wei Chu, Hsing-Liao Chung, Chaug-Liang Hsu, Ming-Tseh Tsay, Yeau-Ren Jeng, Meng-Shiun Tsai