Patent · US Expired

Display screen having opaque conductive optical mask and TFT of semiconductive, insulating, and conductive layers on first transparent conductive film

US5432625A · kind A · utility

14Cited by
5References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 19, 1993
Grant dateJul 11, 1995
Priority date
Expiry dateMar 19, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/136286
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A display screen having an optical mask and a process for producing the screen. The screen includes an optical mask formed of opaque conducting rows formed below addressing rows. Storage capacitors are formed overlapping the opaque conducting rows with an array of electrodes. The invention finds particular utility in the field of displays.

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