Liquid crystal cells – elements and systems – Particular structure – Particular illumination
Reexamination Certificate
2007-10-02
2011-10-11
Le, Uyen Chau N (Department: 2874)
Liquid crystal cells, elements and systems
Particular structure
Particular illumination
C349S015000, C362S333000, C362S339000, C362S606000, C362S607000, C362S620000, C362S626000, C385S146000, C385S901000, C345S102000
Reexamination Certificate
active
08035771
ABSTRACT:
A stereoscopic 3D liquid crystal display apparatus includes a liquid crystal display panel, a backlight positioned to provide light to the liquid crystal display panel, and a double sided prism film disposed between the liquid crystal display panel and the backlight. The backlight includes a light guide having a first side and a second side opposite the first side, and having a first surface extending between the first and second sides and a second surface opposite the first surface. The first surface substantially re-directs light and the second surface substantially transmits light. A plurality of first light sources is arranged along the first side of the light guide for transmitting light into the light guide from the first side. A plurality of second light sources is arranged along the second side of the light guide for transmitting light into the light guide from the second side. The second surface includes a regular array of linear prism or lenticular features. A double sided prism film is disposed between the liquid crystal display panel and the regular array of linear prism or lenticular features.
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Ishikawa et al. “New Design for a Highly Collimating Turning Film, ” Eastman Kodak Company, SID 06 Digest, p. 514-517, 2006.
Brott Robert L.
Nelson John C.
Schultz John C.
3M Innovative Properties Company
Le Uyen Chau N
Mooney Michael
LandOfFree
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