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Tailoring of the Color Conversion Elements in Phosphor-Converted High-Power LEDs by Optical Simulations

Beteiligte Autoren der JOANNEUM RESEARCH:
Autor*innen:
Sommer, Christian; Wenzl, Franz-Peter; Hartmann, Paul; Pachler, Peter; Schweighart, Marko; Tasch, Stefan; Leising, GÜnther
Abstract:
Ray-tracing simulations are used to identify the demands for angular homogeneity of the white light emitted from phosphor-converted white light-emitting diodes having color conversion elements (CCEs) of constant thickness. The simulations reveal that a constant thickness of the CCE by itself is not sufficient for a homogeneous white light emission. Rather the height and the broadness of the CCE as well as the phosphor concentration have to be precisely adjusted in order to assure a homogeneous white light emission.
Titel:
Tailoring of the Color Conversion Elements in Phosphor-Converted High-Power LEDs by Optical Simulations
Seiten:
739–741
Publikationsdatum
2008-05

Publikationsreihe

Nummer
20
Beitrag
9
ISSN
1941-0174
Proceedings
IEEE Photonics Technology Letters
Weitere Dateien und links
Jahr/Monat:
2008

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