Polarized light emitting diode
AssigneeKorea University Industrial & Academic Collaboration Foundation
InventorsQ-Han PARK, Won-Jun Choi, Heon-Su Jeon
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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.
Claims6
A polarized light emitting diode (LED) comprising:
- 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.
Dependencies are inferred from the claim text.