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Application of LED Light Sources with Light Guide Optics.
Technical Paper
2007-01-1041
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
LEDs have been used in exterior lighting since the late 1990s in the form of customized LED arrays. Typically for those applications, each LED had a lens or reflector optic. The future styling trends explore the use of light guides or fibers to create transparent three dimensional structures. Light guides allow the designer to create lamps of various shapes with one standard light module without the need to rearrange the LEDs. However the design of those light guides can be inefficient and has its optical and mechanical limitations. Therefore the optical coupling efficiency to the light source is a key element in the design of the system. Key features for a LED light source module (here called DVO for Direct View Optic module) are proposed and advantages over standard LEDs in light guide applications are discussed.
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Authors
Citation
Tessnow, T., Johnson, R., and Tucker, M., "Application of LED Light Sources with Light Guide Optics.," SAE Technical Paper 2007-01-1041, 2007, https://doi.org/10.4271/2007-01-1041.Also In
Automotive Lighting Technology and Human Factors in Driver Vision and Lighting
Number: SP-2106; Published: 2007-04-16
Number: SP-2106; Published: 2007-04-16
References
- 1999 ASTM Standards 08.01 D1003 199
- Schug Joseph et al “Single LED Modules for Rear Combination Lamps” 2005 SAE Congress - oral presentation only
- Schug Livschitz “High Power Light Emitting Diodes and their Application in LED Modules for Automotive Lighting” ISAL 2005 Symposium
- Tessnow Tucker Reiners “Standardized LED Sources with Optical Concepts for Signal Lighting Applications in Automotive” ISAL 2005 Symposium
- Tessnow Tucker Albright Sidwell Eng Johnson “The Development and Application of a Standardized LED Source” PAL 2003
- Material Datasheets for Acrylic and Polycarbonate from www.Matweb.com
- The photo of an Audi show car was taken by OSRAM at 2006 Detroit Auto show