G - Physics – 02 – F
Patent
G - Physics
02
F
G02F 1/23 (2006.01) G02B 5/04 (2006.01) G09F 13/02 (2006.01) G09F 13/12 (2006.01) G09F 13/16 (2006.01) G09F 13/20 (2006.01) G09F 13/04 (2006.01)
Patent
CA 2082195
ABSTRACT OF THE DISCLOSURE A pseudo-luminous panel has a substrate and a thin film optical color filter formed all over the main surface of the substrate with or without a reflecting film inter- posed therebetween. The main surface of the substrate is formed by obliquely downward and upward band-like surface portions alternately arranged side by side in a vertical direction. Obliquely downward band-like surface portions of the reflecting film, formed on the obliquely downward band-like surface portions of the substrate, or the ob- liquely downward band-like surface portions of the sub- strate, are each a smooth reflecting surface. Obliquely upward band-like surface portions of the reflecting film, formed on the obliquely upward band-like surface portions of the substrate, or the obliquely upward band-like sur- face portions of the substrate, are each a smooth, irregu- lar or uneven reflecting surface. Obliquely downward band- like surface portions of the thin film optical color filter are each a smooth surface extending straight in the longitudinal section of the panel, and obliquely upward band-like surface portions of the color filter are each a rough surface. With the pseudo-luminous panel of such a structure, it is possible to prevent that a pattern on the panel is too dazzling in the daytime and too dark at night to recognize in a predetermined hue when the panel is set up out doors high above the ground.
Shapiro Cohen
Wakatake Masayuki
Wakatake Yoshimasa
LandOfFree
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