Day/night imaging member with expanded color gamut
US6291144A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2000 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Sep 18, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C2001/7628
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
This invention relates to an imaging element comprising a translucent polymer sheet, and at least three photosensitive dye forming coupler containing layers on the face side of said sheet, wherein said at least three photosensitive forming coupler containing layers comprise a cyan dye forming layer comprising a cyan dye forming coupler in combination with a red sensitized photosensitive emulsion, a yellow dye forming layer comprising a yellow dye forming coupler in combination with a blue light sensitive photosensitive emulsion, a magenta dye forming layer comprising a magenta dye forming coupler and a green light sensitive photosensitive emulsion, and on the backside of said translucent polymer sheet at least one dye forming coupler that forms at least one dye that is spectrally distinct from the dyes on the face side of said translucent sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.