Lighting panel device for illumination of an object

Illumination – Revolving

Reexamination Certificate

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Details

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

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