Illumination – Light source and modifier – Including translucent or transparent modifier
Reexamination Certificate
2005-12-21
2009-12-29
O'Shea, Sandra L (Department: 2875)
Illumination
Light source and modifier
Including translucent or transparent modifier
C362S027000, C362S600000, C362S606000, C362S308000, C362S339000
Reexamination Certificate
active
07637639
ABSTRACT:
An optical assembly includes a light emitting diode (LED) and a structured surface. The structured surface has a plurality of prismatic structures arranged radially with respect to a reference point, and is disposed relative to the LED such that the reference point is substantially aligned with a light emission axis of the LED. Arrays of such assemblies and backlights and displays including same are also disclosed.
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U.S. Application entitled “LED Light Confinement Element”, filed Dec. 21, 2005, having U.S. Appl. No. 11/275,289.
3M Innovative Properties Company
O'Shea Sandra L
Tsidulko Mark
Vietzke Lance L.
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