Patent · US Expired

Display device

US7274416B2 · kind B2 · utility

53Cited by
3References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 2003
Grant dateSep 25, 2007
Priority date
Expiry dateOct 4, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2202/04
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A subtractive display device comprising picture elements having sub-pixels, each sub-pixel comprising a stack of switchable layers (5,25) or components and a color filter part (21).

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