Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
2011-01-25
2011-01-25
Healy, Brian M. (Department: 2883)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C349S015000, C349S061000, C349S062000, C349S063000, C349S066000, C349S095000, C349S096000, C349S116000
Reexamination Certificate
active
07876397
ABSTRACT:
A backlight (5) for a 3D display device, the backlight (5) comprising a planar light guide (7) through which light is guided transversely by internal reflection. The light guide (7) is provided with a plurality of grooves (8), which are configured to direct light propagating within the light guide (7), out of a face (7f) of the light guide (7) so as to form a plurality of line light sources.
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Cornelissen Hugo J.
De Zwart Siebe T.
Ijzerman Willem L.
Krijn Marcellinus P. C. M.
Anderson Guy G
Healy Brian M.
Koninklijke Philips Electronics , N.V.
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