Light emitting device, method of manufacturing light...

Details Light emitting device, method of manufacturing light... Light emitting device, method of manufacturing light...

2006-02-23

2008-03-04

Alavi, Ali (Department: 2875)

Illumination

Light modifier

Fluid medium type

C362S331000, C359S228000, C372S050110

Reexamination Certificate

active

07338188

ABSTRACT:
A light emitting device includes a light emitting portion provided on a reference plane to supply light, and an optical portion provided on the output side of the light emitting portion to transmit light from the light emitting portion. In the device, the optical portion is formed so that its refractive index periodically changes in a two-dimensional direction approximately parallel to the reference plane, and the optical portion can be formed separately from the light emitting portion.

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