High contrast front and rear viewing surfaces for projection displays
US6529322B1 · kind B1 · utility
59Cited by
17References
31Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 24, 2000 |
| Grant date | Mar 4, 2003 |
| Priority date | — |
| Expiry date | Jan 24, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/602
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A viewing surface capable of high contrast and high resolution comprising one or more materials that preferentially reflect or transmit or scatter monochromatic light at the primary wavelengths necessary to generate the color gamut appropriate for a given display application. A viewing surface capable of high contrast and high resolution comprising one or more materials which can include rare earth ions, etc. and may be combined with absorbing substrates and/or interference filters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.