Hybrid normal-reverse prism coupler for light-emitting diode backlight systems
Applied Optics, Vol. 45, Issue 28, pp. 7273-7278 (2006)
http://dx.doi.org/10.1364/AO.45.007273
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Abstract
For the first time to our knowledge, a hybrid normal-reverse prism coupler was formed on the
bottom surface of a light guide in a LED backlight system to achieve a thin,
lightweight, LED backlight system. The hybrid prism coupler (HPC) simultaneously exhibits two functions:
extraction of guided light from the light guide and focusing the radiated light from
the light guide, corresponding to the optical functions of the prism and diffusive
sheets used in conventional LED backlight systems. Therefore, using a HPC
eliminates the prism and diffusive sheets that have been indispensable optical
elements in conventional LED backlight systems, which consequently reduces the
thickness of the LED backlight system by
© 2006 Optical Society of America
OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.0230) Optical devices : Optical devices
(230.5480) Optical devices : Prisms
ToC Category:
Optical Devices
History
Original Manuscript: November 9, 2005
Revised Manuscript: March 23, 2006
Manuscript Accepted: March 23, 2006
Citation
Shigeru Aoyama, Akihiro Funamoto, and Koichi Imanaka, "Hybrid normal-reverse prism coupler for light-emitting diode backlight systems," Appl. Opt. 45, 7273-7278 (2006)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-45-28-7273
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