Patent · US Expired

Device comprising a color filter and top coat

US5157527A · kind A · utility

13Cited by
7References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 12, 1991
Grant dateOct 20, 1992
Priority date
Expiry dateFeb 12, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133519
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Top coat (4, 6) for a color filter (3) which is hard enough to resist the pressure of spacers (13) and whose edges (6) are slanted in such a way that a satisfactory step coverage is possible, formed by means of a flexographic pressing method, is a cured acrylic resin.

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