Key Techniques for Measuring the Total Flux of a LED Using a Spherical Photometer

Zhao Weiqiang; Liu Hui; Liu Jian; Zhao Haisu

doi:10.3969/j.issn.1004-440X.2014.03.003

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DOI: 10.3969/j.issn.1004-440X.2014.03.003

Key Techniques for Measuring the Total Flux of a LED Using a Spherical Photometer

Zhao Weiqiang

Liu Hui

Liu Jian

Zhao Haisu

Abstract：This article describes the basic measurement principle of a spherical photometer , and the photometric characteristics of the spherical photometer and LEDs .The key techniques for measuring the total flux of a LED using a spherical photometer are summarized , therefore reference LEDs are proposed to simplify the use of correction factor , to improve measurement accuracy .

Keywords：spherical photometerLEDtotal fluxmetrology

Publication Date：2014-01-01

Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)

Pages：4( 13-15,57 )

China Illuminating Engineering Journal

PKUISTIC

ISSN：1004-440X

Year, Vol.(Issue)：2014,(3)