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. 2015 Aug 26;27(32):4681-7.
doi: 10.1002/adma.201501866. Epub 2015 Jul 15.

Solution-processed white phosphorescent tandem organic light-emitting devices

Takayuki Chiba  1 , Yong-Jin Pu  1 , Junji Kido  1
Affiliations

Solution-processed white phosphorescent tandem organic light-emitting devices

Takayuki Chiba et al. Adv Mater. .

Abstract

Solution-processed phosphorescent tandem organic light-emitting devices (OLEDs) exhibit extremely high efficiencies (94 cd A(-1) ) and 26% external quantum efficiency (EQE) at 5000 cd m(-2) for green phosphorescent devices and 69 cd A(-1) and 28% EQE at 5000 cd m(-2) for white phosphorescent devices. Development of these highly efficient solution-processed tandem-OLEDs with inverted device structure paves the way to printable, low-cost, and large-area white lighting.

Keywords: inverted device structures; organic light-emitting devices; white phosphorescent devices.

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