Patent · US Expired

Method for manufacturing a multicolor filter and a multicolor display device

US4522691A · kind A · utility

28Cited by
6References
50Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1983
Grant dateJun 11, 1985
Priority date
Expiry dateDec 21, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31692
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Multicolor filters are produced by forming a conductive thin film layer having a given pattern on a insulated substrate, and electrodepositing colored polymers on the conductive thin film layer.

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