Dye sets for thermal imaging having improved color gamut

Details Dye sets for thermal imaging having improved color gamut Dye sets for thermal imaging having improved color gamut

1997-02-28

1998-08-18

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428913, 428914, B41M 5035, B41M 538

Patent

active

057958440

ABSTRACT:
A multicolor dye-donor element for thermal dye transfer capable of producing improved color gamut comprising a support having thereon a set of sequential repeating dye patches of yellow, magenta and cyan image dyes dispersed in a polymeric binder, the element also having at least one additional dye patch comprising a dye dispersed in a polymeric binder, the dye of each such additional dye patch which, when transferred to a dye image-receiving layer before or after transfer of the original yellow, magenta and cyan image dyes, has a hue measured at its maximum density which is outside the color gamut defined by the hues of the original transferred yellow, magenta and cyan image dyes by more than 5 CIELAB .DELTA.E.sub.c units.

REFERENCES:
patent: 4923846 (1990-05-01), Kutsukake et al.
patent: 5514637 (1996-05-01), Lum et al.

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