Polarized light emitting diode

Details Polarized light emitting diode Polarized light emitting diode

2008-01-23

2010-10-19

Nguyen, Dao H (Department: 2818)

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

With reflector, opaque mask, or optical element integral...

C257S096000, C257S099000, C257SE33067, C257SE33068, C257SE33069, C372S050110, C372S050120, C372S096000, C438S032000

Reexamination Certificate

active

07816699

ABSTRACT:
Disclosed is a polarized light emitting diode (LED) capable of emitting polarized light in the front direction thereof by forming a first grating layer on a quantum well layer and forming a second grating layer on a substrate. The polarized LED includes a nitride thin film formed on a substrate, a quantum well layer formed on the nitride thin film, a first grating layer formed on the quantum well layer to allow a part of light generated from the quantum well layer to pass through the first grating layer and to reflect remaining light, and a second grating layer formed on the substrate to rotate the light reflected from the first grating layer such that the reflected light passes through the first grating layer.

REFERENCES:
patent: 2008/0128728 (2008-06-01), Nemchuk et al.
patent: 2008/0267236 (2008-10-01), Sigalas et al.
patent: 2009/0067774 (2009-03-01), Magnusson
patent: 10-2007-0079833 (2007-08-01), None

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