White Organic Light-Emitting Diode With Linearly Polarized Emission

Author

Ming-Yi Lin ; Hung-Hsin Chen ; Ku-Hui Hsu ; Yi-Hsiang Huang ; Yi-Jiun Chen ; Hoang Yan Lin ; Yang-Kai Wu ; Wang, Lon A. ; Chung-Chih Wu ; Si-Chen Lee

Author_Institution

Grad. Inst. of Photonics & Optoelectron., Nat. Taiwan Univ., Taipei, Taiwan

Volume

25

Issue

14

fYear

2013

fDate

15-Jul-13

Firstpage

1321

Lastpage

1323

Abstract

An organic light emitting diode (OLED) with a linearly polarized white light emission is demonstrated using a nanograting structure. The aluminum based grating structure is fabricated by laser interference lithography and formed on the back side of the glass substrate of the OLED. The nanograting structure functions as a polarizer to select the transverse magnetic wave in the wavelength range of 400-700 nm. The polarization characteristics are studied experimentally and theoretically in detail. The experimental results agree well with the simulation by a rigorous coupled wave analysis. The polarization ratio of the polarizer can reach as high as 93.4%.

Keywords

aluminium; diffraction gratings; laser materials processing; optical polarisers; organic light emitting diodes; photolithography; aluminum based grating structure; glass substrate; laser interference lithography; linearly polarized white light emission; nanograting structure; polarization ratio; rigorous coupled wave analysis; transverse magnetic wave; wavelength 400 nm to 700 nm; white organic light emitting diode; Organic light emitting diode (OLED); laser interference lithography; linearly polarized light; nanograting structure;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2013.2263789

Filename

6517258