Fabrication and illuminance properties of phosphor-conversion green light-emitting diode with a luminous efficacy over 100 lm/W

Journal of Light and Visual Environment

Volumn 31, Issue 3, 2007, Pages 146-148

  Kurai, Satoshi ^a   Sakuta, Hiroaki ^a   Uchida, Yuji ^a   Taguchi, Tsunemasa ^a  

^a YAMAGUCHI UNIVERSITY   (Japan)

Author keywords

External quantum efficiency; Green LED; Luminous efficacy; Near ultraviolet LED; Phosphor conversion LED

Indexed keywords

LIGHT EMISSION; LUMINESCENCE; PHOSPHORS; QUANTUM EFFICIENCY; SEMICONDUCTOR DIODES; SEMICONDUCTOR QUANTUM DOTS;

EXTERNAL QUANTUM EFFICIENCIES; EXTERNAL QUANTUM EFFICIENCY; GREEN LED; GREEN LIGHTS; LED CHIPS; LED STRUCTURES; LONGER WAVELENGTHS; LUMINOUS EFFICACIES; LUMINOUS EFFICACY; NEAR-ULTRAVIOLET LED; PHOSPHOR MATERIALS; SEMI-CONDUCTORS; ULTRA VIOLETS;

LIGHT EMITTING DIODES;

EID: 57049132817     PISSN: 03878805     EISSN: 13498398     Source Type: Journal    
DOI: 10.2150/jlve.31.146     Document Type: Article

References (7)

1. Narukawa, Y., Sakamoto, T., Deguchi, K, Yamada, T. and Mukai, T.: Ultra-High Efficiency White Light Emitting Diodes, Jpn. J. Appl. Phys., Vol.45, pp.L1084-L1086 (2006).
2. Taguchi, T.: Developing white LED lighting systems and its technological roadmap in Japan, J. Light & Vis. Env., Vol. 30, pp. 177-182 (2006).
3. Craford, M. G.: LEDs for solid state lighting and other emerging applications: status, trends, and challenges, Proc. SPIE, V61.5941, pp.594101-1-594101-10 (2005).
4. Taguchi, T.: Overview: present status and future prospect of system and design in white LED lighting technologies, Proc. SPIE Vol.5530, pp.7-16 (2004).
5. Uchida, Y and Taguchi, T.: Lighting theory and luminous characteristics of white light-emitting diodes, J. Optical Engineering, Vol.44, pp.124003-1-124003-9 (2005).
6. Watanabe, S., Yamada, N., Nagashima, M., Ueki, Y, Sasaki, C., Yamada, Y, Taguchi, T., Tadatomo, K., Okagawa, H. and Kudo, H.: Internal quantum efficiency of highly-efficient In.Ga1,xN-based near-ultraviolet light-emitting diodes, Appl. Phys. Lett., Vol.83, pp.4906-4908 (2003).
7. Zheng, R. and Taguchi, T.: Optical design of large-area GaN-based LEDs, Proc. SPIE, Vol.4996, pp.105-112 (2003).