Patent · US Expired

Process for the production of liquid crystal display

US5578404A · kind A · utility

135Cited by
39References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 27, 1995
Grant dateNov 26, 1996
Priority date
Expiry dateMar 27, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133512
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A process for the production of a liquid crystal display device having a color filter comprising: PA1 providing an assembly comprising, in order, a first support member, a plurality of first electrodes secured to the first support member, a liquid crystal layer, at least one second electrode and a second, substantially transparent support member, the assembly further comprising an imageable layer which, upon exposure to actinic radiation, can form three different colors, this imageable layer being disposed between the first and second support members; and PA1 exposing the assembly to actinic radiation so as to produce in the imageable layer a plurality of filter elements of first, second and third colors, said filter elements being aligned with the first electrodes, thereby forming a color filter lying between the first and second support members.

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