Color measurement of LEDs (diode emitters) with tristimulus colorimeter

Kathleen Muray

doi:10.1117/12.221414

26 September 1995 Color measurement of LEDs (diode emitters) with tristimulus colorimeter

Kathleen Muray

Proceedings Volume 2550, Photodetectors and Power Meters II; (1995) https://doi.org/10.1117/12.221414
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

LEDs are light- and near-infrared emitting diodes. Their line-like emission spectra causes considerable difficulties, not unlike phosphor emission of color CTRs, when accurate color measurement is required. LEDs exhibit many different spatial distribution characteristics as well, requiring relatively large area, uniform detector surface for photometric and colorimetric evaluation. Discussion of several diffferent type of colorimeters follows, showing trade-off between precision and price as well as suitability in their application for many different situations.

Citation Download Citation

Kathleen Muray "Color measurement of LEDs (diode emitters) with tristimulus colorimeter", Proc. SPIE 2550, Photodetectors and Power Meters II, (26 September 1995); https://doi.org/10.1117/12.221414

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