Highly Efficient Deep‐Blue OLEDs using a TADF Emitter with a Narrow Emission Spectrum and High Horizontal Emitting Dipole Ratio

New blue (DBA‐SAB) and deep‐blue (TDBA‐SAF) thermally activated delayed fluorescence (TADF) emitters are synthesized for blue‐emitting organic‐light emitting diodes (OLEDs) by incorporating spiro‐biacridine and spiro‐acridine fluorene donor units with an oxygen‐bridged boron acceptor unit, respectiv...

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Veröffentlicht in:	Advanced materials (Weinheim) 2020-11, Vol.32 (47), p.e2004083-n/a, Article 2004083
Hauptverfasser:	Lim, Hyoungcheol, Cheon, Hyung Jin, Woo, Seung‐Je, Kwon, Soon‐Ki, Kim, Yun‐Hi, Kim, Jang‐Joo
Format:	Artikel
Sprache:	eng
Schlagworte:	Boron Chemistry Chemistry, Multidisciplinary Chemistry, Physical deep‐blue emitters Dipole moments Emission spectra Emitters Fluorescence horizontally oriented emitting dipole moments Materials Science Materials Science, Multidisciplinary Molecular energy levels Molecular structure Nanoscience & Nanotechnology Organic light emitting diodes Physical Sciences Physics Physics, Applied Physics, Condensed Matter Quantum efficiency rigid structures Science & Technology Science & Technology - Other Topics Spectral emittance Technology thermally activated delayed fluorescence
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