Patent · US Expired

STN liquid-crystal display

US6531194B2 · kind B2 · utility

4Cited by
5References
26Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 12, 2000
Grant dateMar 11, 2003
Priority date
Expiry dateMar 26, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2323/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to supertwist liquid-crystal displays (SLCDs) having very short response times and good steepnesses and angular dependences and to the novel nematic liquid-crystal mixtures employed therein, which are distinguished by the fact that they comprise at least one compound of the formula IA and at least one compound of the formula IB and/or at least one compound of the formula IC in which Ra, Rb, Rc, Rd, Re, Y1, Y2, Y3, Y4, q and p are as defined above.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.