Pseudo-luminous panel, optical color filter therefor, and displa

Details Pseudo-luminous panel, optical color filter therefor, and displa Pseudo-luminous panel, optical color filter therefor, and displa

1992-11-04

1994-03-29

Arnold, Bruce Y.

Optical: systems and elements

Signal reflector

Discrete reflecting elements formed as a unitary mass

359546, 359548, 359530, 359547, 359599, 40582, G02B 5136, G02B 528, G02B 502, G09F 1316

Patent

active

052990613

ABSTRACT:
A pseudo-luminous panel has an optical color filter and a reflecting film formed all over the back thereof. The surface of the optical color filter is formed by obliquely downward and upward band-like surface portions alternately arranged side by side in the vertical direction. The back face of the optical color filter is has obliquely upward band-like back face portions each on the opposite side from one of the obliquely downward band-like surface portions and obliquely downward band-like back face portions each on the opposite side from one of obliquely upward band-like surface portions. The obliquely downward band-like surface portions of the optical color filter are each a smooth surface extending straight in the longitudinal section of the panel. The obliquely upward band-like surface portions of the optical color filter are each a rough surface. The obliquely upward band-like back face portions of the optical color filter are each a smooth surface. The obliquely downward band-like surface portions of the optical color filter are each a smooth, irregular or uneven surface. The surface (i.e. the reflecting surface) of the reflecting film is formed by the back of the optical color filter.

REFERENCES:
patent: 4040760 (1977-08-01), Wyckoff
patent: 4229085 (1980-10-01), Yamada et al.
patent: 4231830 (1980-11-01), Ryan et al.

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