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Proceedings Paper

Diffractive grating structures for colour-separating backlights
Author(s): Dick K. G. de Boer; Roberto Caputo; Hugo J. Cornelissen; Chris M. van Heesch; Eefje J. Hornix; Martin J. J. Jak
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Paper Abstract

A colour-separating backlight can be made by using a surface-relief grating as an outcoupling structure on top of a lightguide. By combining such a structure with a birefringent layer, a polarised colour-separating backlight can be realised. We discuss experiments and simulations on a prototype of such backlight structures, as well as directions how to optimise them. First optimised samples of gratings made by laser-interference lithography show promising results.

Paper Details

Date Published: 21 April 2006
PDF: 8 pages
Proc. SPIE 6196, Photonics in Multimedia, 61960R (21 April 2006); doi: 10.1117/12.664029
Show Author Affiliations
Dick K. G. de Boer, Philips Research (Netherlands)
Roberto Caputo, Philips Research (Netherlands)
Hugo J. Cornelissen, Philips Research (Netherlands)
Chris M. van Heesch, Eindhoven Univ. of Technology (Netherlands)
Eefje J. Hornix, Philips Research (Netherlands)
Martin J. J. Jak, Philips Research (Netherlands)


Published in SPIE Proceedings Vol. 6196:
Photonics in Multimedia
Ari Tervonen; Malgorzata Kujawinska; Wilbert IJzerman; Herbert De Smet, Editor(s)

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