Patents Assigned to VVI Bright China Ltd.
  • Liquid crystals comprising cyclopentane groups
    Patent number: 10745617
    Abstract: Provided are liquid crystal compounds and mixtures incorporating the same. The liquid crystal compounds of the invention generally comprise a cyclopentane group and at least two other rings. In one embodiment, the liquid crystal compounds of the invention comprise a cyclopentane group and at least two other rings, one of which is a fused ring system.
    Type: Grant
    Filed: November 20, 2017
    Date of Patent: August 18, 2020
    Assignee: VVI BRIGHT CHINA LTD
    Inventors: Xinhua Chen, R. Amaranatha Reddy
  • Liquid crystals comprising cyclopentane groups
    Patent number: 9822303
    Abstract: Provided are liquid crystal compounds and mixtures incorporating the same. The liquid crystal compounds of the invention generally comprise a cyclopentane group and at least two other rings. In one embodiment, the liquid crystal compounds of the invention comprise a cyclopentane group and at least two other rings, one of which is a fused ring system.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: November 21, 2017
    Assignee: VVI BRIGHT CHINA LTD
    Inventors: Xinhua Chen, R. Amaranatha Reddy
  • Liquid crystals comprising cyclopentane groups
    Patent number: 8801966
    Abstract: Provided are liquid crystal compounds and mixtures incorporating the same. The liquid crystal compounds of the invention generally comprise a cyclopentane group and at least two other rings. In one embodiment, the liquid crystal compounds of the invention comprise a cyclopentane group and at least two other rings, one of which is a fused ring system.
    Type: Grant
    Filed: February 5, 2009
    Date of Patent: August 12, 2014
    Assignee: VVI Bright China Ltd.
    Inventors: Xinhua Chen, R. Amaranatha Reddy
  • High dielectric constant liquid crystal
    Patent number: 8444877
    Abstract: Provided are liquid crystal compounds and mixtures incorporating the same. The liquid crystal compounds of the invention generally comprise a terminal cyclopentene group, along with at least two other ring groups.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: May 21, 2013
    Assignee: VVI Bright China Ltd.
    Inventors: Xinhua Chen, R. Amaranatha Reddy