Illumination – Modifier mountable on light source envelope
Patent
1989-09-08
1990-09-04
Husar, Stephen F.
Illumination
Modifier mountable on light source envelope
362260, F21M 314
Patent
active
049549375
ABSTRACT:
A lighting lamp is disclosed, comprising a lamp having laminated on the surface of a bulb thereof a display sheet, said display sheet comprising a support having thereon an active layer containing a pigment which is faded by the action of an active light and an active light-adjusting layer.
Hagiwara Naoki
Higashi Takao
Hirasawa Yasuo
Hirota Taisuke
Kawamura Fumio
Hitachi , Ltd.
Husar Stephen F.
Tomoegawa Paper Co. Ltd.
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