Super-wide-angle cholesteric liquid crystal based reflective broadband polarizing films
US6630974B2 · kind B2 · utility
24Cited by
9References
15Claims
0Family size
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Key dates
| Filing date | May 14, 1999 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | May 14, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/40
- WIPO fieldOptics
- WIPO sectorInstruments
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.