Illumination – Revolving
Reexamination Certificate
2005-03-01
2005-03-01
Sember, Thomas M. (Department: 2875)
Illumination
Revolving
C362S026000, C362S330000, C362S339000
Reexamination Certificate
active
06860613
ABSTRACT:
A lighting panel device has a light source, a lighting panel receiving light from the light source at an end face, and a prism sheet provided above the lighting panel. The lighting panel has a bottom reflector face, and the prism sheet has a plurality of prisms arranged in a longitudinal direction of the prism sheet. Each of the prisms has a sectional shape of a triangle. A vertex of the triangle is between 30° and 25°.
REFERENCES:
patent: 5600462 (1997-02-01), Suzuki et al.
patent: 6118503 (2000-09-01), Oki et al.
patent: 6334690 (2002-01-01), Ohkawa
patent: 9 178914 (1997-07-01), None
patent: 11-119012 (1999-04-01), None
Citizen Electronics Co. Ltd.
Dennison Schultz Dougherty & MacDonald
Sember Thomas M.
Truong Bao Q.
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