ZnSe-based white LED

ZnSe-based white LED

A phosphor-free ZnSe-based high-brightness white LED operating at very low voltages is demonstrated. The optical output power and operating voltage of a typical device at a forward current of 20 mA is 6.8 mW and 2.5 V, respectively. The luminous efficacy estimated from these results is 28 lm/W, whic...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Takebe, T.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Laboratories
LED lamps
Light emitting diodes
Low voltage
Optical devices
Optical mixing
Particle beam optics
Research and development
Stimulated emission
Zinc compounds
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Beschreibung
Zusammenfassung:A phosphor-free ZnSe-based high-brightness white LED operating at very low voltages is demonstrated. The optical output power and operating voltage of a typical device at a forward current of 20 mA is 6.8 mW and 2.5 V, respectively. The luminous efficacy estimated from these results is 28 lm/W, which exceeds the incandescent lamp.
DOI:10.1109/CLEOPR.2003.1274502