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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 18 — Aug. 27, 2012
  • pp: 20059–20070

Determination of optimal converting point of color temperature conversion complied with ANSI C78. 377 for indoor solid-state lighting and display applications

Yao-Fang Hsieh, Mang Ou-Yang, Ting-Wei Huang, and Cheng-Chung Lee  »View Author Affiliations


Optics Express, Vol. 20, Issue 18, pp. 20059-20070 (2012)
http://dx.doi.org/10.1364/OE.20.020059


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Abstract

In recent years, displays and lighting require color temperature (CT) conversion function because observers have different preferences. This paper proposes effective methods to determine the optimal converting point of CT conversion for display and lighting application. For display application, the concepts of center of gravity and isotemperature line are applied to determine the optimal converting point. The maximal enhancement of luminance between the optimal and average is 18%. For lighting application, this paper proposes two methods to determine the optimal converting point in the CT quadrangle which complies with ANSI C78. 377. The enhancement of luminance in two CT modes (5700K and 6500K) are 14.2% and 23.6%, respectively.

© 2012 OSA

OCIS Codes
(120.2040) Instrumentation, measurement, and metrology : Displays
(150.2950) Machine vision : Illumination
(230.3670) Optical devices : Light-emitting diodes
(330.1690) Vision, color, and visual optics : Color
(330.1710) Vision, color, and visual optics : Color, measurement

ToC Category:
Vision, Color, and Visual Optics

History
Original Manuscript: April 24, 2012
Revised Manuscript: August 11, 2012
Manuscript Accepted: August 15, 2012
Published: August 17, 2012

Virtual Issues
Vol. 7, Iss. 10 Virtual Journal for Biomedical Optics

Citation
Yao-Fang Hsieh, Mang Ou-Yang, Ting-Wei Huang, and Cheng-Chung Lee, "Determination of optimal converting point of color temperature conversion complied with ANSI C78. 377 for indoor solid-state lighting and display applications," Opt. Express 20, 20059-20070 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-18-20059


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References

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