G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/124 (2006.01)
Patent
CA 2292537
The present invention provides a self light-emitting retroreflective sheet including a light-transmitting retroreflective element including a plurality of prismatic projections, a lining film, and an electroluminescence device. The lining film includes a light-transmitting film which has sealing projections on one of its surfaces so that the prismatic projections are confined within a plurality of sealed cells formed by the sealing projections. In the sealed cells, a surface of the prismatic projections interface with air so as to increase light-emitting luminance and improve its uniformity.
Cette invention se rapporte à une feuille rétroréfléchissante auto-photoémettrice, qui comprend un élément rétroréfléchissant transmettant la lumière comportant plusieurs saillies prismatiques, un film de garnissage et un dispositif électroluminescent. Le film de garnissage comporte un film transmettant la lumière qui présente des saillies d'étanchéité sur l'une de ses surfaces, pour que les saillies prismatiques soient confinées à l'intérieur de plusieurs cellules scellées formées par les saillies d'étanchéité. Dans les cellules scellées, une surface des saillies prismatiques est en contact avec l'air, ce qui augmente la luminance photoémettrice et améliore son uniformité.
Abe Hidetoshi
Araki Yoshinori
Matsumoto Kazumi
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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