Title :
Improving the lumen efficiency by air-gap embedded package in white light-emitting diodes
Author :
Tsai, H.H. ; Chen, H.C. ; Wang, C.H. ; Chen, K.J. ; Hung, C.W. ; Yeh, C.C. ; Lin, C.C. ; Kuo, H.C. ; Lu, T.C.
Author_Institution :
Dept. of Photonic & Inst. of Electro-Opt. Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan
fDate :
Aug. 28 2011-Sept. 1 2011
Abstract :
White light-emitting diodes with air-gap embedded package were proposed and fabricated through a simple method including pulsed spray coating. The lumen efficiency of air-gap embedded LED was enhanced by 8.8% compared to reference remote-phosphor LED.
Keywords :
air gaps; embedded systems; light emitting diodes; phosphors; spray coating techniques; air gap embedded package; lumen efficiency improvement; pulsed spray coating; reference remote phosphor LED; white light emitting diodes; Air gaps; Backscatter; Coatings; Lead; Light emitting diodes; Phosphors; Positron emission tomography;
Conference_Titel :
Quantum Electronics Conference & Lasers and Electro-Optics (CLEO/IQEC/PACIFIC RIM), 2011
Conference_Location :
Sydney, NSW
Print_ISBN :
978-1-4577-1939-4
DOI :
10.1109/IQEC-CLEO.2011.6194026
