Patent · US Expired

Method for producing color filter

US5478681A · kind A · utility

4Cited by
16References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 10, 1993
Grant dateDec 26, 1995
Priority date
Expiry dateNov 10, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/2022
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method for producing a color filter comprising exposing a portion of the color filter corresponding to colored portions through a different pattern mask by colors and in an irradiation dose varying for each mask to effect patterning and successively coloring the pattern portions smaller or larger in the order of light irradiation dose by way of development and electrodeposition.

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