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Proceedings Paper

Automated platform for determination of LEDs spatial radiation pattern
Author(s): Marian Vladescu; Dan Tudor Vuza
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Paper Abstract

Nowadays technologies lead to remarkable properties of the light-emitting diodes (LEDs), making them attractive for more and more applications, such as: interior and exterior lighting, outdoor LED panels, traffic signals, automotive (tail and brake lights, backlighting in dashboard and switches), backlighting of display panels, LCD displays, symbols on switches, keyboards, graphic boards and measuring scales. Usually, LEDs are small light sources consisting of a chip placed into a package, which may bring additional optics to this encapsulated ensemble, resulting in a less or more complex spatial distribution of the light intensity, with particular radiation patterns. This paper presents an automated platform designed to allow a quick and accurate determination of the spatial radiation patterns of LEDs encapsulated in various packages. Keywords: LED, luminous

Paper Details

Date Published: 20 February 2015
PDF: 6 pages
Proc. SPIE 9258, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VII, 92581F (20 February 2015); doi: 10.1117/12.2070631
Show Author Affiliations
Marian Vladescu, Politehnica Univ. of Bucharest (Romania)
Dan Tudor Vuza, Institute of Mathematics of the Romanian Academy (Romania)

Published in SPIE Proceedings Vol. 9258:
Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VII
Ionica Cristea; Marian Vladescu; Razvan Tamas, Editor(s)

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