Modeling Techniques for Light Distribution of White LEDs

IF 1 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC IEEJ Transactions on Electrical and Electronic Engineering Pub Date : 2025-02-16 DOI:10.1002/tee.70000

Tomoaki Kashiwao, Kenji Ikeda, Masaru Tsumori, Kanji Bando

引用次数: 0

Abstract

This study presents a method to approximate the light distribution (directivity) of light-emitting diodes (LEDs) based on a Gaussian distribution and an estimation technique for the total luminous flux of white LEDs. The light distribution, characterized by the half-power angle, is approximated using a Gaussian distribution with a similar shape. The total luminous flux is estimated from the obtained approximations of the light distribution and luminous intensity provided by the specification sheets of the white LEDs. © 2025 The Author(s). IEEJ Transactions on Electrical and Electronic Engineering published by Institute of Electrical Engineers of Japan and Wiley Periodicals LLC.

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来源期刊

IEEJ Transactions on Electrical and Electronic Engineering 工程技术-工程：电子与电气

CiteScore

2.70

自引率

10.00%

发文量

199

审稿时长

4.3 months

期刊介绍： IEEJ Transactions on Electrical and Electronic Engineering (hereinafter called TEEE ) publishes 6 times per year as an official journal of the Institute of Electrical Engineers of Japan (hereinafter "IEEJ"). This peer-reviewed journal contains original research papers and review articles on the most important and latest technological advances in core areas of Electrical and Electronic Engineering and in related disciplines. The journal also publishes short communications reporting on the results of the latest research activities TEEE ) aims to provide a new forum for IEEJ members in Japan as well as fellow researchers in Electrical and Electronic Engineering from around the world to exchange ideas and research findings.

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