Illumination – Light source and modifier – Including translucent or transparent modifier
Reexamination Certificate
2007-04-17
2007-04-17
Sember, Thomas M. (Department: 2875)
Illumination
Light source and modifier
Including translucent or transparent modifier
C362S331000, C362S558000, C362S610000, C362S621000
Reexamination Certificate
active
10797086
ABSTRACT:
A spread illuminating apparatus includes at least one light source, a light conductive plate having the at least one light source disposed toward one end surface thereof, and at least one light controlling means disposed between the at least one light source and the light conductive plate. The at least one light controlling means is formed such that a plurality of transparent rectangular solids are stacked one over another vertically and horizontally, and that the transparent rectangular solids are put together by means of adhesive which can transmit light emitted from the at least one light source. The at least one light controlling means has a refractive index profile formed in both directions parallel to and vertical to the light exit surface of the light conductive plate thereby controlling light with respect to the both directions.
REFERENCES:
patent: 6540368 (2003-04-01), Akaoka
patent: 2003/0117792 (2003-06-01), Kunimochi et al.
patent: A 10-199316 (1998-07-01), None
patent: A 10-293202 (1998-11-01), None
patent: A 2002-260427 (2002-09-01), None
Minebea Co. Ltd.
Oliff & Berridg,e PLC
Rehm Adam C.
Sember Thomas M.
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