Illumination – Edge lighted panel – Light guide
Reexamination Certificate
2006-12-05
2006-12-05
Luebke, Renee (Department: 2875)
Illumination
Edge lighted panel
Light guide
C362S561000, C362S619000, C359S599000
Reexamination Certificate
active
07144146
ABSTRACT:
A transparent substrate used for an area light emitting device. The transparent substrate comprises a light incidence surface and a light exit surface opposite to the light incidence surface. A plurality of recesses are formed on the light exit surface bulged towards the light incidence surface. Each recess has a shape approximately corresponding to a portion of an oval sphere. Each recess perimeter on the light exit surface is approximately circle. Each recess is separately formed from other recesses.
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Ishikawa Haruyuki
Isogai Fumikazu
Takeuchi Norihito
Yoshida Mikio
Kabushiki Kaisha Toyota Jidoshokki
Luebke Renee
May Robert
Morgan & Finnegan , LLP
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