Reversible recording medium, and reversible recording method and apparatus using the same
US6524759B1 · kind B1 · utility
7Cited by
3References
63Claims
0Family size
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Key dates
| Filing date | Feb 25, 2000 |
| Grant date | Feb 25, 2003 |
| Priority date | — |
| Expiry date | Feb 25, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/132
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A reversible recording medium has a support, a reversible light absorbing layer formed on the support, and, a reversible cholesteric reflection layer formed on the reversible light absorbing layer, containing a cholesteric liquid crystalline compound capable of assuming a cholesteric liquid crystalline phase reversibly showing iridescent colors by selective reflection. A method for reversibly recording an image in the above-mentioned recording medium, and a reversible recording apparatus using the above-mentioned recording medium are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.