Patent · US Expired

Nontransparent transmission display material with maintained hue angle

US6071654A · kind A · utility

21Cited by
15References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 17, 1998
Grant dateJun 6, 2000
Priority date
Expiry dateSep 17, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S430/151
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The invention relates to a photographic element comprising a translucent base and a color forming layer comprising at least one silver halide emulsion layer and dye forming coupler, wherein said base comprises at least one polymer sheet comprising a transparent polymer sheet containing voids, with the proviso that said translucent sheet is substantially free of white light reflecting pigments and wherein said translucent sheet has a light transmission of between 15% and 85%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.