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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 18 — Sep. 15, 2007
  • pp: 2665–2667

Simple liquid crystal display backlight unit comprising only a single-sheet micropatterned polydimethylsiloxane (PDMS) light-guide plate

Joo-Hyung Lee, Hong-Seok Lee, Byung-Kee Lee, Won-Seok Choi, Hwan-Young Choi, and Jun-Bo Yoon  »View Author Affiliations


Optics Letters, Vol. 32, Issue 18, pp. 2665-2667 (2007)
http://dx.doi.org/10.1364/OL.32.002665


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Abstract

A simple liquid crystal display (LCD) backlight unit (BLU) comprising only a single-sheet polydimethyl siloxane (PDMS) light-guide plate (LGP) has been developed. The PDMS LGP, having micropatterns with an inverse-trapezoidal cross section, was fabricated by backside 3-D diffuser lithography followed by PDMS-to-PDMS replication. The fabricated BLU showed an average luminance of 2878 cd m 2 with 73.3% uniformity when mounted in a 5.08 c m backlight module with four side view 0.85 cd LEDs. The developed BLU can greatly reduce the cost and thickness of LCDs, and it can be applied to flexible displays as a flexible light source due to the flexible characteristic of the PDMS itself.

© 2007 Optical Society of America

OCIS Codes
(230.3720) Optical devices : Liquid-crystal devices
(230.3990) Optical devices : Micro-optical devices
(230.4000) Optical devices : Microstructure fabrication

ToC Category:
Optical Devices

History
Original Manuscript: June 14, 2007
Manuscript Accepted: July 9, 2007
Published: September 4, 2007

Citation
Joo-Hyung Lee, Hong-Seok Lee, Byung-Kee Lee, Won-Seok Choi, Hwan-Young Choi, and Jun-Bo Yoon, "Simple liquid crystal display backlight unit comprising only a single-sheet micropatterned polydimethylsiloxane (PDMS) light-guide plate," Opt. Lett. 32, 2665-2667 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-18-2665

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