Patent · US Expired

Multi-domain STN LCD comprising fluorinated polyimide alignment layers

US6067139A · kind A · utility

12Cited by
9References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 25, 1998
Grant dateMay 23, 2000
Priority date
Expiry dateJun 25, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31721
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention provides a STN LCD device having at least two domains per pixel, comprising: PA1 a) a liquid crystal layer having opposite sides; PA1 b) a set of electrodes on either side of said liquid crystal layer; PA1 c) a fluorinated polyimide alignment film for aligning a liquid crystal layer.

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