Abstract

Aggregation-induced emission (AIE) organic molecule 4,7-Bis[4-(1,2,2-triphenylvinyl)phenyl]benzo-2,1,3-thiadiazole (BTPETD) was used as a top emitter on GaN-based light-emitting diode (LED) to produce white light. The fabricated hybrid organic/inorganic LED shows CIE coordinates of (0.32, 0.33) and 45.4% optical extraction efficiency from BTPETD layer with pump leakage of 17.3%. At driving current of 30 mA, the highest luminous efficacy of 123.8 lm/W was obtained for the hybrid devices which corresponded a luminance of 1.4 × 105 cd/m2. This result shows an effective and simple way to produce white LED for solid state lighting application.

© 2013 IEICE

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