Illumination – Edge lighted panel – Light guide
Reexamination Certificate
2007-04-17
2009-06-09
Husar, Stephen F (Department: 2875)
Illumination
Edge lighted panel
Light guide
C362S620000, C362S625000, C362S626000
Reexamination Certificate
active
07543973
ABSTRACT:
An edge-light type light guide plate30is provided and has a first surface31and a second surface32that are opposed to each other, and a peripheral edge surface extending between the peripheral edges of the first and second surfaces. A part of the peripheral edge surface is defined as a light entrance plane30a. The first surface31has a series of parallel elongated convex surfaces31athat have an arcuate cross-section and extend in a direction substantially perpendicularly intersecting the light entrance plane30a. The second surface32has a series of parallel elongated concave surfaces32athat have an arcuate cross-section and extend in a direction substantially perpendicularly intersecting the elongated convex surfaces31aon the first surface.
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Shimura et al. U.S. patent application entitled ‘Light Guide Plate, Method of Manufacturing Light Guide Plate, and Backlight Unit with the Light Guide Plate’, U.S. Appl. No. 11/843,542, filed Aug. 22, 2007.
Brinks Hofer Gilson & Lione
Citizen Electronics Co. Ltd.
Husar Stephen F
LandOfFree
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