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All-reflective RGB LED flashlight design for effective color mixing
Author(s) -
HsiangChen Wang,
Yao-Ting Chiang,
Chung-Yi Lin,
MingYen Lu,
Min Kai Lee,
ShihWei Feng,
ChieTong Kuo
Publication year - 2016
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.24.004411
Subject(s) - rgb color model , optics , illuminance , light emitting diode , materials science , color temperature , color difference , spectral color , led lamp , optoelectronics , physics , computer science , color space , artificial intelligence , color model , enhanced data rates for gsm evolution , image (mathematics)
Red, green, and blue (RGB) light-emitting diode (LED) is a narrow-band light source that can improve visual contrast, and thus, can be used for special illumination. In this study, three RGB LEDs, each provided with two reflective mirrors, are used to design an all-reflective color temperature-adjustable LED flashlight. The LED flashlight features an adjustable color temperature ranging from 2000 K to 6500 K, a uniformity of illuminance of 0.68, an average difference of uniformity of approximately 25%, and a color uniformity of 0.0042.

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