Patent · US Expired

Flat type image display apparatus

US6268843A · kind A · utility

86Cited by
17References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 6, 1993
Grant dateJul 31, 2001
Priority date
Expiry dateAug 6, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/0646
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An image display apparatus including an active display device, which is divided into picture elements, and a passive display device, which is divided into picture elements and which is superposed upon the active display device. The image display apparatus has-a high luminance resolution and a high definition.

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