A high efficiency white light emitting diode (LED) was fabricated by generation of frequency down-conversion from a GaN/InGaN blue LED. In place of conventional inorganic phosphors, a perylene-based dye was used for colour conversion. The resulting hybrid structure is analysed by focusing on the visual performance of the realised LEDs employing the most relevant photometric parameters of a light source. Preparation of the organic polymer is described as well. The thermal stability of the dye was investigated and a simple structure which avoids colour degradation is proposed.
Caruso, F., Mosca, M., Macaluso, R., Feltin, E., Calì, C. (2012). Generation of white LED light by frequency downconversion using a perylene-based dye. ELECTRONICS LETTERS, 48(22), 1417-1419 [10.1049/el.2012.3084].
Generation of white LED light by frequency downconversion using a perylene-based dye
CARUSO, Fulvio;MOSCA, Mauro;MACALUSO, Roberto;CALI', Claudio
2012-01-01
Abstract
A high efficiency white light emitting diode (LED) was fabricated by generation of frequency down-conversion from a GaN/InGaN blue LED. In place of conventional inorganic phosphors, a perylene-based dye was used for colour conversion. The resulting hybrid structure is analysed by focusing on the visual performance of the realised LEDs employing the most relevant photometric parameters of a light source. Preparation of the organic polymer is described as well. The thermal stability of the dye was investigated and a simple structure which avoids colour degradation is proposed.
| File | Dimensione | Formato | |
|---|---|---|---|
|
Eectr Lett - 48-1417 (2012).pdf
Solo gestori archvio
Descrizione: Articolo principale
Dimensione
301.15 kB
Formato
Adobe PDF
|
301.15 kB | Adobe PDF | Visualizza/Apri Richiedi una copia |
I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
