Single-emission-layer white organic light-emitting devices: Chromaticity and colour-rendering consideration
| Autor: | Hsin-Fei Meng, Hao-Wu Lin, Chia Chan Fan, Yun Chi, Ming Hong Huang, Teng-Chih Chao, Mei Rurng Tseng, Wei-Chieh Lin |
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| Rok vydání: | 2014 |
| Předmět: |
Materials science
Dopant business.industry Doping General Chemistry Color temperature Condensed Matter Physics Electronic Optical and Magnetic Materials Biomaterials Materials Chemistry OLED Optoelectronics Planckian locus Electrical and Electronic Engineering Chromaticity Ternary operation business Diode |
| Zdroj: | Organic Electronics. 15:517-523 |
| ISSN: | 1566-1199 |
| DOI: | 10.1016/j.orgel.2013.11.040 |
| Popis: | The chromaticity and colour-rendering capability of solution-processed single emission layer (EML) white organic light-emitting diodes (W-OLEDs) can be precisely tuned by manipulating the dopant compositions in the EMLs. In this work, we numerically modelled binary, ternary, and quaternary doping single EML W-OLEDs. The correlated colour temperature (CCT), colour-rendering index (CRI), and spectral designs were correlated. The simulation predicted that the quaternary doping system possesses the best chromaticity performance. The corresponding binary, ternary and quaternary doping single EML W-OLEDs were fabricated and characterised to verify the calculation. The solution-processed quaternary doping W-OLEDs were designed with CRI values up to 85, deviations from the Planckian locus (Du 0 v 0) as low as +0.0009, an EQE of 13.7%, a power efficacy of 14.7 lm/W and current efficiency of up to 24.9 cd/A at 1000 cd/m 2 |
| Databáze: | OpenAIRE |
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