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SMT LEDs

Photonics Spectra
Jun 2010
OSRAM Opto Semiconductors GmbHRequest Info
 
The OSTAR high-power LED from Osram Opto Semiconductors has been developed for use in automotive daytime running light applications based on the use of lightguides. The surface-mount technology (SMT) LEDs’ compact dimensions and ability to drive high currents make them suitable for use in both existing and new headlight designs. In addition to the usual point-like LED lighting solutions, linear or 2-D designs can be produced with only a small number of semiconductor light sources. The LEDs are available in the finely graded color groups that meet ECE/SAE color binning requirements. With a power draw of 5 W and an operating current of 1.4 A, the LEDs produce typical brightness of 300 lm, and their 2-mm2 chip provides high luminance.


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GLOSSARY
chip
1. A localized fracture at the end of a cleaved optical fiber or on a glass surface. 2. An integrated circuit.
luminance
Luminous flux emitted from a surface per unit solid angle per unit of area, projected onto a plane normal to the direction of propagation. Also known as brightness and luminous sterance.
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