Lens for light emitting diode, back light assembly having...

Details Lens for light emitting diode, back light assembly having... Lens for light emitting diode, back light assembly having...

2006-03-03

2009-08-25

Choi, William C (Department: 2873)

Optical: systems and elements

Lens

Anamorphic

C359S708000

Reexamination Certificate

active

07580198

ABSTRACT:
An optical lens has a first curved surface. The first curved surface has a first variable curvature. The optical lens has a second curved surface. The second curved surface has a second variable curvature. The second variable curvature forms a protrusion on the second curved surface. A first end of the first curved surface is connected to a first end of the second curved surface at an outer edge of the lens.

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All the references cited in the Search Report are listed above.
European Search Report; Application No. EP06004606; Date: Jun. 19, 2006.

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