Patent · US Expired

Display device

US7529012B2 · kind B2 · utility

28Cited by
7References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 2004
Grant dateMay 5, 2009
Priority date
Expiry dateAug 11, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B26/005
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An optical switch, e.g., a display device based on layer break up or layer displacement having at least two different states, in which one of the fluids, e.g., oil in a first state, adjoins at least a first support plate and, in the second state, the other fluid at least partly adjoins the first support plate, in which picture elements are separated by areas having a hydrophilic surface.

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