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Proceedings Paper

Advanced optical characterization of automotive interior materials for premium visual quality
Author(s): S. Reichel; K. Blankenbach; K. Koop; F. Najiba; M. Ulrich; F. Hertlein
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Paper Abstract

Future cars with (semi-) autonomous driving enable more use of interior lighting with special visual effects. This deals as well with interior materials – like plastics, wood, metals - which are illuminated or backlighted by RGB LEDs. We performed 3D BRDF measurements from a luminance imager and compare them to traditional goniophotometers. Perception test with 37 subjects for transflective materials show that there is a narrow width of backlight intensity for “pleasant” (not bothering) intensity. Such fundamental optical examinations enable special visual effects for future vehicles.

Paper Details

Date Published: 25 February 2020
PDF: 11 pages
Proc. SPIE 11302, Light-Emitting Devices, Materials, and Applications XXIV, 113021V (25 February 2020); doi: 10.1117/12.2542777
Show Author Affiliations
S. Reichel, Pforzheim Univ. (Germany)
K. Blankenbach, Pforzheim Univ. (Germany)
K. Koop, Pforzheim Univ. (Germany)
F. Najiba, Pforzheim Univ. (Germany)
M. Ulrich, Pforzheim Univ. (Germany)
F. Hertlein, BMW AG (Germany)

Published in SPIE Proceedings Vol. 11302:
Light-Emitting Devices, Materials, and Applications XXIV
Jong Kyu Kim; Michael R. Krames; Martin Strassburg, Editor(s)

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