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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 1 — Jan. 14, 2013
  • pp: 840–845

Polarized white light emitting diodes with a nano-wire grid polarizer

Jung-Chieh Su and Tong-Mao Lin  »View Author Affiliations

Optics Express, Vol. 21, Issue 1, pp. 840-845 (2013)

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To achieve a high transmittance and extinction ratio for the polarized white light-emitting diodes (WLEDs), the package structures of polarized WLEDs that are pumped by blue LEDs are studied. A WLED is implemented using a nano-wire grid polarizer (NWGP) and forms a pumping cavity. Combining the reflection and transmission characteristics of a NWGP, the optimized package structure has an air gap between the phosphor resin and the NWGP. Specifically, the angular dependence of the chromaticity coordinates and spatial uniformity of the radiation pattern are investigated and are more uniform than those of conventional LEDs.

© 2013 OSA

OCIS Codes
(230.3670) Optical devices : Light-emitting diodes
(240.5440) Optics at surfaces : Polarization-selective devices

ToC Category:
Optical Devices

Original Manuscript: November 8, 2012
Revised Manuscript: December 13, 2012
Manuscript Accepted: December 27, 2012
Published: January 8, 2013

Jung-Chieh Su and Tong-Mao Lin, "Polarized white light emitting diodes with a nano-wire grid polarizer," Opt. Express 21, 840-845 (2013)

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