Display device

Details Display device Display device

2007-10-25

2010-06-08

Truong, Bao Q (Department: 2875)

Illumination

Light modifier

Refractor

C362S297000, C362S623000

Reexamination Certificate

active

07731394

ABSTRACT:
The present invention provides a display device including: a transparent plate having at least one recessed portion formed on a rear surface side thereof, the recessed portion forming a pattern corresponding to a design to be displayed; a first reflecting member which is disposed on the rear surface side of the transparent plate and on a region except for the recessed portion of the transparent plate, and has light reflectivity at a surface facing the transparent plate; a second reflecting member which is disposed on the rear surface side of the transparent plate and on a region including the recessed portion of the transparent plate, and has light reflectivity at a surface facing the transparent plate; and a light emitting device for emitting light, when illuminated, to a front surface side of the transparent plate through the recessed portion of the transparent plate without exiting light from the region except for the recessed portion of the transparent plate to the front surface side of the transparent plate, the light source being disposed on the rear surface side of the transparent plate.

REFERENCES:
patent: 4240220 (1980-12-01), Smith
patent: 2002/0043012 (2002-04-01), Shibata et al.
patent: 03-287427 (1991-12-01), None
patent: 5-238325 (1993-09-01), None
patent: 05-238325 (1993-09-01), None
patent: 7-19770 (1993-09-01), None
patent: 2006-039285 (2006-02-01), None
European Search Report for Application No. 07119096.1-2421, dated Nov. 18, 2009.

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