Patent · US Expired

Ink projections on the polarizer of an electro-optic display

US4508428A · kind A · utility

9Cited by
9References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 4, 1982
Grant dateApr 2, 1985
Priority date
Expiry dateFeb 4, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133528
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electro-optic device comprising a polarizing plate or a polarizing film is characterized in that said electro-optic device is provided with a plurality of projections on at least one of the surface of the polarizing plate or the polarizing film opposing to a substrate, and the surface of the substrate opposing to the polarizing plate or film.

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