Patents by Inventor Hsu-Nan Huang

Hsu-Nan Huang 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: 11953738
    Abstract: The present invention discloses a display including a display panel and a light redirecting film disposed on the viewing side of the display panel. The light redirecting film comprises a light redistribution layer, and a light guide layer disposed on the light redistribution layer. The light redistribution layer includes a plurality of strip-shaped micro prisms extending along a first direction and arranged at intervals and a plurality of diffraction gratings arranged at the bottom of the intervals between the adjacent strip-shaped micro prisms, wherein each of the strip-shaped micro prisms has at least one inclined light-guide surface, and the bottom of each interval has at least one set of diffraction gratings, and the light guide layer is in contact with the strip-shaped micro prisms and the diffraction gratings.
    Type: Grant
    Filed: March 29, 2022
    Date of Patent: April 9, 2024
    Assignee: BenQ Materials Corporation
    Inventors: Cyun-Tai Hong, Yu-Da Chen, Hsu-Cheng Cheng, Meng-Chieh Wu, Chuen-Nan Shen, Kuo-Jung Huang, Wei-Jyun Chen, Yu-Jyuan Dai
  • Patent number: 8071489
    Abstract: A method of imparting oil repellency to flexible, fibrous, nonwoven substrates comprising contacting the substrate with an amphoteric fluorochemical copolymer composition prepared from polymerization of monomers in the following percentages by weight: (a) from about 60% to about 90% of a fluorinated (meth)acrylate monomer of Formula 1 which is Rf-Q-CO—CR?CH2, (b) from about 10% to about 25% of an amine substituted (meth)acrylate or (meth)acylamide monomer of Formula 2 which is CH2?C(R)COZ(CH2)q(CHR)rNR2R3, and (c) from about 1% to about 15% of a substituted (meth)acrylic acid monomer of Formula 3 which is CH2=CR(R5)e—COOH.
    Type: Grant
    Filed: July 10, 2007
    Date of Patent: December 6, 2011
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Hsu-Nan Huang, Martial Jean-Jacques Pabon, Romain Severac, Lamia Heuze
  • Publication number: 20090017321
    Abstract: A method of imparting oil repellency to flexible, fibrous, nonwoven substrates comprising contacting the substrate with a composition prepared from polymerization of monomers in the following percentages by weight: (a) from about 60% to about 90% of a monomer of Formula 1 or a mixture thereof: Rf-Q-CO—CR?CH2??Formula 1 wherein: Rf is a straight- or branched-chain perfluoroalkyl group of 2 to about 20 carbon atoms, R is H or CH3, Q is —(CnH2n)pSO2NR1(CnH2nO)y—, wherein the —(CnH2n) is bonded to Rf, and R1 is H or C1-C20 alkyl; (b) from about 10% to about 25% of a monomer of Formula 2 or a mixture thereof: CH2?C(R)COZ(CH2)q(CHR)rNR2R3??Formula 2 wherein R2 and R3 are each independently C1-C4 alkyl, hydroxyethyl, or benzyl or R2 and R3 together with the nitrogen atom form a morpholine, pyrrolidine, or piperidine ring, and Z is —O— or —NR4— wherein R4 is H or C1-C4 alkyl; and (c) from about 1% to about 15% of a monomer of Formula 3 or a mixture thereof: CH2?CR(R5)e—COOH??Formula 3 wh
    Type: Application
    Filed: July 10, 2007
    Publication date: January 15, 2009
    Inventors: Hsu-Nan Huang, Martial Jean-Jacques Pabon, Romain Severac, Lamia Heuze
  • Publication number: 20020033468
    Abstract: The present invention comprises a composition for coating synthetic grain leather having both dynamic water repellency and oil repellency comprising a copolymer or blend of copolymers and a polyurethane resin in solvent.
    Type: Application
    Filed: October 4, 2001
    Publication date: March 21, 2002
    Inventor: Hsu-Nan Huang
  • Patent number: 6353051
    Abstract: The present invention comprises a composition for coating synthetic grain leather having both dynamic water repellency and oil repellency comprising a copolymer or blend of copolymers and a polyurethane resin in solvent.
    Type: Grant
    Filed: January 31, 2000
    Date of Patent: March 5, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Hsu-Nan Huang
  • Patent number: 5608116
    Abstract: The present invention relates to the preparation of fluoroalkylalkoxylates in which one reacts at least one fluorinated alcohol with at least one alkylene epoxide in the presence of a novel catalyst system comprising an iodine source and an alkali metal borohydride.
    Type: Grant
    Filed: March 16, 1995
    Date of Patent: March 4, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert A. Halling, Hsu-Nan Huang
  • Patent number: 5567857
    Abstract: Mixture of the compounds: F(CF.sub.2).sub.m --(CH.sub.2).sub.n --(OCH.sub.2 CH.sub.2)p--OH wherein m=2 and about 20, but in at least 5 weight % of molecules m is 8 or higher or mixtures of the same, but in no more than 5 weight % of the molecules is m equal to 14 or higher or mixtures of the same; n=1 to 3; & p=1 to 40, but the mixture has an average p=8 to 17.
    Type: Grant
    Filed: June 21, 1994
    Date of Patent: October 22, 1996
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Hsu-Nan Huang, Robert A. Halling
  • Patent number: 5259938
    Abstract: A liquid phase process for preparing .omega.-haloperfluoroacid chlorides by the photo oxidation of polyfluoroalkyl mono- and di-chloromethanes in the presence of chlorine using light wavelengths greater than 280 nm.
    Type: Grant
    Filed: September 15, 1992
    Date of Patent: November 9, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Hsu-Nan Huang
  • Patent number: 5084146
    Abstract: A method for preparing perfluoropolyether oligomers comprising electrochemical coupling of perfluorocarboxylic acid salts or mixtures thereof in aqueous methanol under controlled conditions to produce perfluoropolyether oligomers.
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: January 28, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Hsu-Nan Huang
  • Patent number: 5070213
    Abstract: The novel compound perfluoro-4,4'-bis(2,2-dimethyl-1,3-dioxolane) is disclosed. Its preparation by fluorination of 4,4'-bis[2,2-bis(trifluoromethyl)-1,3-dioxolane using UV radiation or by reaction of 2,2-bis(trifluoromethyl)-4-iodo-4,5,5-trifluoromethyl-1,3-dioxolane with zinc in acetic anhydride and methylene chloride is also disclosed. The infusion of perfluoro-4,4'-bis(2,2-dimethyl-1,3-dioxolane) into mammalian tissue to facilitate inspection thereof by muclear magnetic resonance imaging is also disclosed.
    Type: Grant
    Filed: August 17, 1990
    Date of Patent: December 3, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Hsu-Nan Huang, Ming-Hong Hung, Carl G. Krespan
  • Patent number: 4898991
    Abstract: New perfluoropolyethers, such as perfluoro-4,7,10-trioxa-5-methyleicosane, are useful as vapor phase soldering fluids and convection cooling liquids.
    Type: Grant
    Filed: January 30, 1989
    Date of Patent: February 6, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Hsu-Nan Huang