Electrophoretic display
US8054534B2 · kind B2 · utility
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2References
9Claims
0Family size
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Key dates
| Filing date | Dec 30, 2009 |
| Grant date | Nov 8, 2011 |
| Priority date | — |
| Expiry date | Jan 9, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/1681
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophoretic paper device is provided. The electrophoretic paper device includes a plurality of pixel electrodes arranged on a lower substrate. The electrophoretic paper device also includes an upper substrate having a common electrode that covers an entire area corresponding to a display surface. The electrophoretic paper device further includes an electrophoretic ink layer, which includes a plurality of tubular cavities and each of the tubular cavities contains suspension fluid and a plurality of charged pigment particles dispersed in the suspension fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.