Patent · US Expired

Process for preparation of color filter and liquid crystal display device

US5817441A · kind A · utility

30Cited by
1References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 1997
Grant dateOct 6, 1998
Priority date
Expiry dateAug 6, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B5/201
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed herein is a process for producing a color filter, which comprises the steps of forming a pre-cured black matrix pattern having a water repellency on a transparent substrate, applying color inks to the portions of the substrate corresponding to the spaces of the pre-cured black matrix pattern, and complete curing the pre-cured black matrix.

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