Image display medium, preparation method thereof
US8194032B2 · kind B2 · utility
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1References
13Claims
0Family size
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Key dates
| Filing date | Jan 15, 2009 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Dec 7, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2001/1678
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image display medium is disclosed, which medium includes a pair of substrates each having an electrode and colored particles between the pair of substrates, and the colored particles have an absolute electric charge of 0.5 to 4.0 μC/g.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.