Illumination – Edge lighted panel – Light guide
Reexamination Certificate
2006-02-14
2006-02-14
Sember, Thomas M. (Department: 2875)
Illumination
Edge lighted panel
Light guide
C362S558000, C385S129000, C359S834000, C349S064000
Reexamination Certificate
active
06997595
ABSTRACT:
A brightness enhancement article for improving luminance from a light source includes a light-collecting prism surface forms a series of longitudinal trapezoidal prism elements in which each has a face plane disposed toward the light source and first and second legs extending back from the face plane, forming first and second base anglesβ with the face plane wherein both first and second base anglesβ satisfy: 90 degrees<base angle β<120 degrees.
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Donner Janet
Kessler David
Mi Xiang-Dong
Eastman Kodak Company
Kluegel Arthur E.
Negron Ismael
Sember Thomas M.
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