Phase sheet
US6368760B1 · kind B1 · utility
22Cited by
4References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 21, 1997 |
| Grant date | Apr 9, 2002 |
| Priority date | — |
| Expiry date | Nov 21, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N13/324
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The phase sheet includes a first region and a second region which have respectively different slow axis directions or fast axis directions. A polymer constituting the sheet contains a photoisomeric molecule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.