Color design model of high color rendering index white-light LED module

被引：5
|
作者：
Ying, Shang-Ping [1 ]
Fu, Han-Kuei [2 ]
Hsieh, Hsin-Hsin [3 ]
Hsieh, Kun-Yang [1 ]
机构：
[1] Minghsin Univ Sci & Technol, Dept Optoelect Syst Engn, Hsinchu 30401, Taiwan
[2] Ind Technol Res Inst, Elect & Optoelect Syst Res Labs, Hsinchu 31040, Taiwan
[3] Ind Technol Res Inst, Ctr Measurement Stand, Hsinchu 31040, Taiwan
来源：
APPLIED OPTICS | 2017年 / 56卷 / 14期
关键词：
EMITTING-DIODES; PHOSPHOR; PROPERTY;
D O I：
10.1364/AO.56.004045
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The traditional white-light light-emitting diode (LED) is packaged with a single chip and a single phosphor but has a poor color rendering index (CRI). The next-generation package comprises two chips and a single phosphor, has a high CRI, and retains high luminous efficacy. This study employs two chips and two phosphors to improve the diode's color tunability with various proportions of two phosphors and various densities of phosphor in the silicone used. A color design model is established for color fine-tuning of the white-light LED module. The maximum difference between the measured and color-design-model simulated CIE 1931 color coordinates is approximately 0.0063 around a correlated color temperature (CCT) of 2500 K. This study provides a rapid method to obtain the color finetuning of a white-light LED module with a high CRI and luminous efficacy. (C) 2017 Optical Society of America
引用
收藏
页码：4045 / 4051
页数：7
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