Optical design of LED-based automotive tail lamps

André Domhardt; Udo Rohlfing; Karsten Klinger; Karl Manz; Dieter Kooß; Uli Lemmer

doi:10.1117/12.732827

18 September 2007 Optical design of LED-based automotive tail lamps

André Domhardt; Udo Rohlfing; Karsten Klinger; Karl Manz; Dieter Kooß; Uli Lemmer

Author Affiliations +

Proceedings Volume 6670, Nonimaging Optics and Efficient Illumination Systems IV; 66700L (2007) https://doi.org/10.1117/12.732827
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

The application of ultra bright monochromatic and white High-Power-LEDs in the range of automotive lighting systems is now state of the art. These LEDs offer new possibilities in optical design and engineering within different fields of automotive lighting, e.g., tail lamps, signal lamps, headlamps and interior lighting. This contribution describes the process of the optical design of an automotive LED tail lamp based on a practical example. We will elaborate the principal geometric approach, the radiometric conditions and the optical design by using standard and advanced mathematical optimization methods. Special attention will be paid to the following topics: efficient light coupling from the LED into the optical device, adaptation of the illuminance and optimization with respect to the requirements from SAE/ECE regulations. It will be shown that the development of LED-lamps requires the complex interaction of several factors. The challenge for the optical designer is to fulfill the technical demands while also considering the appearance of the final product desired by the customer. Further design specifications emerge from the electrical and thermal layout of the lamp.

Citation Download Citation

André Domhardt, André Domhardt, Udo Rohlfing, Udo Rohlfing, Karsten Klinger, Karsten Klinger, Karl Manz, Karl Manz, Dieter Kooß, Dieter Kooß, Uli Lemmer, Uli Lemmer, } "Optical design of LED-based automotive tail lamps", Proc. SPIE 6670, Nonimaging Optics and Efficient Illumination Systems IV, 66700L (18 September 2007); doi: 10.1117/12.732827; https://doi.org/10.1117/12.732827

ACCESS THE FULL ARTICLE

PERSONAL SIGN IN
Full access may be available with your subscription

Email or Username Forgot your username?

Password Forgot your password?

Show

Remember Email/Username on this computer

Remember Password

No SPIE account? Create an account
or Institutional Sign In via Shibboleth

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $14.40

Non-members: $18.00 ADD TO CART

Show All Keywords

Keywords/Phrases

Search In:

Publication Years