Patent · US Expired

Process for the production of a diode array and liquid crystal display screen

US4836650A · kind A · utility

9Cited by
8References
8Claims
0Family size

Inventors

Key dates

Filing dateNov 7, 1986
Grant dateJun 6, 1989
Priority date
Expiry dateNov 7, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/1365
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A process for the production of a diode array and liquid crystal display screen. Each display point of the array has a projection connected to an addressing column by a bridge with two diodes connected head to head. The process only involves two photogravure operations. In a second embodiment, a second bridge is connected to an adjacent column by way of the a second projection.

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