Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Brightness and Luminance of Light‐Emitting Diodes: Influence of Size and Defocus

Brightness and Luminance of Light‐Emitting Diodes: Influence of Size and Defocus When a narrow‐band source is compared to a white source, through a simultaneous brightness match, the equibrightness condition does not necessarily imply that the luminances of the two sources coincide. This known fact is now checked by using as sources red and green light‐emitting diodes (LEDs), compared to CIE source A. In addition, we check some predictions concerning the influence of saturation, wavelength dependence, and small‐field effects. Some problems related to eye‐lens accommodation are attacked by taking into account the chromatic aberration of the eye and the unpredictable role of psychological factors in determining the wavelength focused on the retina. Their influence on the brightness‐luminance ratio is quantified. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Color Research & Application Wiley

Brightness and Luminance of Light‐Emitting Diodes: Influence of Size and Defocus

Loading next page...
 
/lp/wiley/brightness-and-luminance-of-light-emitting-diodes-influence-of-size-74vEL7dCoP

References (9)

Publisher
Wiley
Copyright
Copyright © 1980 Wiley Periodicals, Inc., A Wiley Company
ISSN
0361-2317
eISSN
1520-6378
DOI
10.1002/col.5080050403
Publisher site
See Article on Publisher Site

Abstract

When a narrow‐band source is compared to a white source, through a simultaneous brightness match, the equibrightness condition does not necessarily imply that the luminances of the two sources coincide. This known fact is now checked by using as sources red and green light‐emitting diodes (LEDs), compared to CIE source A. In addition, we check some predictions concerning the influence of saturation, wavelength dependence, and small‐field effects. Some problems related to eye‐lens accommodation are attacked by taking into account the chromatic aberration of the eye and the unpredictable role of psychological factors in determining the wavelength focused on the retina. Their influence on the brightness‐luminance ratio is quantified.

Journal

Color Research & ApplicationWiley

Published: Dec 1, 1980

There are no references for this article.