Patent · US Expired

LCD having a compensator directly on the substrate of adjacent LC cell having particular subpixels

US6674498B1 · kind B1 · utility

1Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 2001
Grant dateJan 6, 2004
Priority date
Expiry dateJul 21, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2413/15
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

In a normally black double cell, grey scale enhancement is obtained by dividing pixels in the driving cell into sub-pixels which are rotated preferably through 180° with respect to each other.

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