Optical: systems and elements – Collimating of light beam
Reexamination Certificate
2003-09-26
2008-03-25
Schwartz, Jordan (Department: 2873)
Optical: systems and elements
Collimating of light beam
C359S738000
Reexamination Certificate
active
07349160
ABSTRACT:
A collimator for use in an optical device, such as a display device, includes a multi-layered sheet of at least five alternating light transmitting and light impervious layers. A collimation angle of a few degrees is obtainable using the collimator. The collimator may be produced by co-extruding or injection molding.
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patent: 5598281 (1997-01-01), Zimmerman et al.
patent: 6122465 (2000-09-01), Arimoto et al.
patent: WO 96 40480 (1996-12-01), None
Cornelissen Hugo Johan
De Bruin Johan Gerrit
Wimberger-Friedl Reinhold
Jones James C
Koninklijke Philips Electronics , N.V.
Schwartz Jordan
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