Patent · US Expired

Passive electro-optic display cell and method for manufacturing it

US4118110A · kind A · utility

14Cited by
9References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1977
Grant dateOct 3, 1978
Priority date
Expiry dateFeb 7, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S359/90
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electro-optic display cell including oppositely-facing transparent plates forming the inner surface of a compartment containing an incandescent lamp for illumination of the cell. The compartment is completely enclosed and itself forms the enclosure for the lamp.

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