Overview
ABSTRACT
Organic electroluminescent diodes (OLEDs) are competitive candidates for the next generation of electronic components for flat-panel displays and solid-state lighting sources. The lack of efficient stable blue OLEDs has been a weak link in the technology, and has delayed OLED marketing. Since 2013, the first large area OLEDS have come onto the market. This article reports on the small fluorescent molecules now used as emitters in “blue single-layer OLEDs”. First, some blue fluorescent emitters are described. The Donor-?-system-Acceptor (D-?-A) approach is then presented. The choice of the D and/or A groups and of the central ?-system is discussed in particular.
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Read the articleAUTHORS
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Cyril PORIEL : Doctorate from the University of Rennes 1 - CR1 CNRS, UMR CNRS 6226, Rennes Institute of Chemical Sciences, France
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Joëlle RAULT-BERTHELOT : Doctorate in Chemistry - DR2 CNRS, UMR CNRS 6226, Institut des sciences chimiques de Rennes, France
INTRODUCTION
Field: Organic electronics, organic semiconductors
Degree of technology diffusion: Emergence | Growth | Maturity
Technologies involved : Organic light-emitting diodes
Applications: Display/Lighting
Main French players: Orgatech (LPICM, École Polytechnique), Elorga (Bordeaux), Plate-forme OLED 200 mm (CEA-LETI Grenoble), Plate-forme Organique IEMN (Villeneuve d'Ascq), Plate-forme Électronique Plastique (XLIM Limoges).
Competitive clusters: Minalogic, Tenerrdis
Competence centers: Organic Electronics Research Group (GDR 3368)
Other global players: LG, Samsung, Siemens+Osram, Philips, Sony+ Panasonic, Mitsubishi Electric, Verbatim, Konica Minolta, LG Chem, Inteltronic, DuPont Display, General Electric, Holst center....
Contact: Cyril Poriel – Joëlle Rault-Berthelot, Groupe MaCSE, UMR CNRS 6226 Institut des sciences chimiques de Rennes, [email protected][email protected]
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Fluorescent organic molecules as active material in single layer blue OLEDs
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"Optics and photonics"
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