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White polymeric light-emitting diodes with high color rendering index.
- Source :
-
Applied Physics Letters . 11/20/2006, Vol. 89 Issue 21, p213508. 3p. 1 Diagram, 1 Chart, 3 Graphs. - Publication Year :
- 2006
-
Abstract
- The efficient white polymeric light-emitting diodes based on a white emissive polymer doped with a red phosphorescent dopant were fabricated by spin-coating method. The emission spectrum of the device is broadened to cover the full visible region by doping the red phosphorescent dye and thereby realizes white emission with high color-rendering index (CRI). By controlling the contents of the doped electron-transporting 2-(4-biphenylyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole and the red phosphorescent dopant, a luminous efficiency as high as 5.3 cd/A and a power efficiency of 3 lm/W were obtained with a CRI of 92. [ABSTRACT FROM AUTHOR]
- Subjects :
- *WHITE
*LIGHT emitting diodes
*POLYMERS
*COLOR
*ELECTRON transport
*PHOSPHORESCENCE
Subjects
Details
- Language :
- English
- ISSN :
- 00036951
- Volume :
- 89
- Issue :
- 21
- Database :
- Academic Search Index
- Journal :
- Applied Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 27971086
- Full Text :
- https://doi.org/10.1063/1.2397009