Display device based on electrowetting effect
US7800816B2 · kind B2 · utility
15Cited by
6References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2005 |
| Grant date | Sep 21, 2010 |
| Priority date | — |
| Expiry date | Apr 16, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/004
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a reflective a display device based on layer break up or layer displacement having at least two different states, in which one of the fluids (5) e. g oil in a first state adjoins at least a first support plate (3) and in the second state the other fluid (6) at least partly adjoins the first support plate, in which picture elements are separated by areas (13) having a hydrophilic surface dyes (or sometimes pigments) are added to the oil (usually hydrocarbon but also possibly silicone or fluorocarbon), to provide sufficient optical intensity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.