Construction of electrophoretic displays
US6987603B2 · kind B2 · utility
185Cited by
105References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2004 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | Jan 30, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1677
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophoretic display (100) comprises a front light-transmissive substrate (112), a rear substrate (116) spaced from the front substrate (112) so as to leave a cavity, and an electrophoretic medium (102) in the cavity, the electrophoretic medium (102) comprising a liquid external phase (120) and a plurality of capsules (104) suspended in the liquid external phase (120), each of the capsules comprising a capsule wall, a suspending fluid (106) held within the capsule wall and at least one electrically charged particle (108, 110) suspended in the suspending fluid (106).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.