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Design of a Standard LED Light Source with Extremely High Optical and Color Stability

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Abstract

A LED standard lamp with high optical and thermal stability is demonstrated. 4-in-1 LED packaging, which can not only make the current density decrease but also enhance the thermal stability. The well designed module can control the diverging angle of LED as 60° and 120° at FWHM. As a result, the stability can reach 99.5 % in normal operation. Besides, the module can be combined with commercial LED to change the diverging angle and the ACCTD can be reduced from 2930 K to 415 K with decay of 34.9% in efficiency. Consequently, the light source of the LED standard lamp can be adopted partically.

© 2013 Optical Society of America

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More Like This
Optical Design of a White LED Performing High Spatial Color Uniformity

Ching-Cherng Sun, Ching-Yi Chen, Cheng-Chien Chen, Chih-Yu Chiu, Yi-Ning Peng, Yu-Huan Wang, Tsung-Hsun Yang, Te-Yuan Chung, and Xuan-Hao Lee
FTh4E.4 Frontiers in Optics (FiO) 2013

LED packaging for extremely uniform angular CCT distribution

Ching-Yi Chen, Yu-Yu Chang, Tsung-Hsun Yang, and Ching-Cherng Sun
LM4A.1 Solid-State and Organic Lighting (SOLED) 2012

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In Hee Shin, Joo Beom Eom, Hyeong Ju Park, Myung-Soo Han, Anjin Park, and Byeong-Il Lee
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