Integrated polarized light emitting diode with a built-in rotator

摘要

The invention is directed to an integrated polarized light emitting diode device that has a light emitting diode, a metal grating, an oxide layer, and a built-in photonic crystal rotator. Additional teachings include a method for making the integrated polarized light emitting diode, a method for improving the polarization selectivity and energy efficiency of a light emitting diode, and a method for rotating polarization of a light emitting diode.

主权项

1. An integrated polarized light emitting diode device comprising: a light emitting diode, a metal grating, an oxide layer, and a built-in photonic crystal birefringent polarization rotator, wherein the built-in photonic crystal birefringent polarization rotator comprises a plurality of array layers interleaved with a plurality of layers comprising spacer material, each of the plurality of array layers comprises a plurality of rods parallel to each other and separated from each other by spacer material within the array layer, the plurality of rods comprises gold, silver, or TiO2, and the plurality of rods in each of the plurality of array layers are rotated ninety degrees relative to the plurality of rods in an immediately successive array layer.