Patent · US Expired

Electro-optic passive display device and method for its manufacture

US4118111A · kind A · utility

53Cited by
4References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 30, 1977
Grant dateOct 3, 1978
Priority date
Expiry dateMar 30, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04G9/0041
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A light guiding member for an electro-optic display device. The member is generally plate-shaped with thickened edge portions, one such edge portion forming an enclosure for a light source. The thickened portions are coated with conductive tracks to provide electrical connection between a substrate and display cell of the device.

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