Title :
ZnSe-based white LED
Author :
Takebe, Toshihiko
Author_Institution :
Itami R&D Labs., Sumitomo Electr. Ind. Ltd., Hyogo, Japan
Abstract :
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.
Keywords :
II-VI semiconductors; LED lamps; brightness; zinc compounds; 2.5 V; 20 mA; 6.8 mW; ZnSe; ZnSe-based white LED; forward current; high-brightness white LED; incandescent lamp; luminous efficacy; optical output power; LED lamps; Laboratories; Light emitting diodes; Low voltage; Optical devices; Optical mixing; Particle beam optics; Research and development; Stimulated emission; Zinc compounds;
Conference_Titel :
Lasers and Electro-Optics, 2003. CLEO/Pacific Rim 2003. The 5th Pacific Rim Conference on
Print_ISBN :
0-7803-7766-4
DOI :
10.1109/CLEOPR.2003.1274502
