Abstract

The lighting parameters of LEDs are constantly improving. They should not however be applied directly in general lighting luminaires. Luminous intensity distribution solid of high power LEDs is inappropriate for the uniform lighting of a target surface and produces too high of a luminance for this luminaire for large elevation angles. We analyzed the luminous intensity curves allowing us to achieve the best possible lighting uniformity and limited distribution of the luminous flux. Specially manufactured reflectors with limited height were applied in the designed luminaire model. The application of 30 white and additionally six red diodes in the same luminaire provided the resulting optical radiation with the color temperature of 3702  K and a color rendering index of 81.

© 2008 Optical Society of America

Full Article  |  PDF Article
OSA Recommended Articles
Color temperature tunable white light emitting diodes packaged with an omni-directional reflector

Jung-Chieh Su and Chun-Lin Lu
Opt. Express 17(24) 21408-21413 (2009)

Optical design of tunnel lighting with white light-emitting diodes

Ming-Shiou Tsai, Xuan-Hao Lee, Yi-Chien Lo, and Ching-Cherng Sun
Appl. Opt. 53(29) H114-H120 (2014)

Toward commercial realization of quantum dot based white light-emitting diodes for general illumination

Ken T. Shimizu, Marcel Böhmer, Daniel Estrada, Sumit Gangwal, Stefan Grabowski, Helmut Bechtel, Edward Kang, Kenneth J. Vampola, Danielle Chamberlin, Oleg B. Shchekin, and Jyoti Bhardwaj
Photon. Res. 5(2) A1-A6 (2017)

References

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Figures (12)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Equations (18)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription

Metrics

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access OSA Member Subscription