DocumentCode
1065956
Title
Efficient Linearly Polarized Lamp for Liquid Crystal Displays
Author
Tsai, Chang-Ching ; Wu, Shin-Tson
Author_Institution
Coll. of Opt. & Photonics, Univ. of Central Florida, Orlando, FL
Volume
5
Issue
1
fYear
2009
Firstpage
6
Lastpage
9
Abstract
We propose a new optical design to produce linearly polarized illumination for liquid crystal displays. The operation mechanism is based on polarization conversion due to induced surface plasmon polariton on metallic gratings in conical diffraction. This linearly polarized lamp integrates an unpolarized light source and a light recycling scheme inside the lamp housing. Its structure is simple and, moreover, its optical efficiency reaches 92% in emitting a linearly polarized light.
Keywords
diffraction gratings; lamps; liquid crystal displays; polarisation; surface plasmons; conical diffraction; illumination; induced surface plasmon polariton; light recycling scheme; linearly polarized lamp; liquid crystal displays; metallic gratings; polarization conversion; Diffraction gratings; Lamps; Light sources; Lighting; Liquid crystal displays; Optical design; Optical diffraction; Optical polarization; Plasmons; Recycling; Backlight recycling; linear polarized light source; polarization conversion via surface plasmons;
fLanguage
English
Journal_Title
Display Technology, Journal of
Publisher
ieee
ISSN
1551-319X
Type
jour
DOI
10.1109/JDT.2008.2010513
Filename
4749390
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