LED with improved light emission profile

Details LED with improved light emission profile LED with improved light emission profile

2011-06-28

2011-06-28

Patel, Nimeshkumar D (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S498000, C315S169300

Reexamination Certificate

active

07969089

ABSTRACT:
An LED includes a substrate, a first electrode layer and a thin colloidal layer located between the substrate and the first electrode layer. A smoothening layer or particles located within or on the colloidal layer is provided so that the roughness of the outer surface of the colloidal layer which is facing towards the first electrode layer is Ra≦30 nm and Ra≧1 nm.

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