Patents by Inventor Hui-Fang Tseng

Hui-Fang Tseng 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: 8540896
    Abstract: A chiral compound of formula (I) or (II) is provided, wherein each of R1 and R2 independently, is hydrogen, hydroxyl, halogen, amino, nitrile, C1-10 alkyl, or C1-10 alkoxyl. A liquid crystal composition comprising 80-99.5 parts by weight of a liquid crystal host; and 0.5-20 parts by weight of the chiral compound as described above is also provided.
    Type: Grant
    Filed: October 18, 2010
    Date of Patent: September 24, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Chih-Lung Chin, Hui-Fang Tseng, Wan-Chi Chen, Chun-Ming Wu, Kung-Lung Cheng
  • Patent number: 8383008
    Abstract: A liquid crystal composition and a liquid crystal display employing the same are provided. The liquid crystal composition includes: 100 parts by weight of at least one nematic liquid crystal; 1-20 parts by weight of at least one photosensitive chiral compound; and 1-20 parts by weight of at least one non-photosensitive chiral compound.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: February 26, 2013
    Assignee: Industrial Technology Research Institute
    Inventors: Hui-Fang Tseng, Chih-Lung Chin, Wan-Chi Chen, Chun-Ming Wu, Kung-Lung Cheng, Shih-Hsien Liu
  • Publication number: 20120105793
    Abstract: A liquid crystal composition and a liquid crystal display employing the same are provided. The liquid crystal composition includes: 100 parts by weight of at least one nematic liquid crystal; 1-20 parts by weight of at least one photosensitive chiral compound; and 1-20 parts by weight of at least one non-photosensitive chiral compound.
    Type: Application
    Filed: April 28, 2011
    Publication date: May 3, 2012
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Hui-Fang TSENG, Chih-Lung CHIN, Wan-Chi CHEN, Chun-Ming WU, Kung-Lung CHENG, Shih-Hsien LIU
  • Publication number: 20110109868
    Abstract: A chiral compound of formula (I) or (II) is provided, wherein each of R1 and R2 independently, is hydrogen, hydroxyl, halogen, amino, nitrile, C1-10 alkyl, or C1-10 alkoxyl. A liquid crystal composition comprising 80-99.5 parts by weight of a liquid crystal host; and 0.5-20 parts by weight of the chiral compound as described above is also provided.
    Type: Application
    Filed: October 18, 2010
    Publication date: May 12, 2011
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Chih-Lung Chin, Hui-Fang Tseng, Wan-Chi Chen, Chun-Ming Wu, Kung-Lung Cheng