Recent progress and future prospect of high-performance near-UV based white LEDs: From ECO lighting to medical application

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 7422, Issue , 2009, Pages

  Taguchi, Tsunemasa ^a  

^a YAMAGUCHI UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

COLOR RENDERING INDEX; COLOR TUNABLE; CORRELATED COLOR TEMPERATURE; FABRICATION PROCESS; FLIP-CHIP BONDING; FUTURE PROSPECTS; LUMINOUS EFFICACY; LUMINOUS FLUX; MULTILAYER STRUCTURES; NEAR ULTRAVIOLET; PHOSPHOR-CONVERSION LEDS; RECENT PROGRESS; WHITE LED; WHITE LIGHT SOURCES; YAG;

ELECTRIC PROPERTIES; FLIP CHIP DEVICES; LIGHT; LIGHT SOURCES; MEDICAL APPLICATIONS; STREET LIGHTING; TECHNETIUM;

COLOR;

EID: 70349898030     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.829225     Document Type: Conference Paper

References (19)

1. S. Nakamura and S. Fasol, "The blue laser diodes", Springer 1997.
2. T. Taguchi, "-Overview- present status and future prospect of system and design in white LED lighting technologies", Proc. SPIE, Vol.5530, pp. 7-16 (2004).
3. T. Taguchi, "Developing White LED Lighting Systems and Its Technological Roadmap in Japan", J. Light & Vis. Env., Vol.30, pp.177-182 (2006).
4. G. Shinomiya, "The challenge of technologies and developments for SSL", 3rd Taiwan SSL conference, June, Taipei (2009).
5. H. Sakuta, T. Fukui, T. Miyachi, K. Kamon, H. Hayashi, N. Nakamura, Y. Uchida, S. Kurai, and T. Taguchi, " Near-ultraviolet LED of the External Quantum Efficiency Over 45% and its Application to High-color Rendering Phosphor Conversion White LEDs", J. Light & Vis. Env., Vol.32, pp39-42 (2008).
6. T. Fukui, H. Sakuta, K. Mishiro, T. Miyachi, K. Kamon, H. Hayash , N. Nakamura, Y. Uchida, S. Kurai, and T. Taguchi, "Development of White Light Emitting Diodes by Multi-layered Red, Green, and Blue Phosphors Excited by Near-ultraviolet Light Emitting Diodes", J. Light & Vis. Env., Vol.32, pp43-45 (2008).
7. N. Kijima, Y. Shinomura, T. Kurushima, H. Watanabe, S. Shinomura, M. Mikami and Ueda, "New green and red phosphors for white LEDs", J. Light & Vis. Env., 32, pp. 202-207 (2008).
8. Patent: Japanese Patent number 3946541 (2007, 20th April)
9. K. Ishida, I. Mitsuishi, Y. Hattori and S. Nunoue, "Spectral design method of UV-based white LED with multicolor phosphor blend", Proc., of the 1st Int. Conf. on White LEDs and Solid State Lighting" (Nov., Tokyo, Japan) pp. 157-160 (2007).
10. K. Murakami, J. Narita, Y. Anzai, H. Itoh, S. Doi, and K. Awazu, "A new deluxe fluorescent lamp with a color rendering index of 99", J. Illum. Engng. Jpn., Vol.3, No.1, pp. 6-11 (1979).
11. Y. Uchida, and T. Taguchi, "Lighting theory and luminous characteristics of white light-emitting diodes", J. Optical Engineering, Vol.44, pp.1240031-1240039 (2005).
12. Y. Uchida, H. Ishikawa, K. Sugi, H. Yoshioka and T. Taguchi, "The study of illuminated artistic picture and its color rendering using RGBCMY six colors separated tunable color light source", Proc. Ist Int. Conf. on White LEDs and Solid State Lighting (Nov., Tokyo, Japan), P-W-10, pp. 331-334, (2007).
13. Patent: Japanese Patent number 3177234 (2001, 6th April)
14. T. Taguchi and M. Kono, "A novel white LED lighting system for appreciation of Japanese antique ink painting", J. of Light & Vis. Env., Vol.31, pp. 31-33, (2007).
15. L. Venema, Nature, News and Views, Technology, "The art of illumination", Vol.450, p.1175, 2007.
16. H. Yanai, K. Okita, K. Kikuchi, K. Tadatomo, H. Nakamura, J. Nishikawa, T. Yoshida, T. Taguchi, "Preliminary experience with a white LED endoscope", Endoscopy 38, pp. 290-291. (2006)
17. Patent: Japanese Patent number 4317478 (2009, 19th May)
18. S. Kiyotoki, J. Nishikawa, H. Yanai, T. Okamoto, S. Higaki, T. Taguchi and I. Sakaida, "Use of the light-emitting diode-illuminated endoscope for upper gastrointestinal endoscopy", Endoscopy 41:E1-E2, (2009).
19. URL:http://www.ccs-grp.com