White top-emitting organic light-emitting diodes employing tandem structure

Qiang Wang; Yonghua Chen; Jiangshan Chen; Dongge Ma

doi:10.1063/1.4754828

White top-emitting organic light-emitting diodes employing tandem structure

Qiang Wang, Yonghua Chen, Jiangshan Chen, Dongge Ma

CAS - Changchun Institute of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

A high-efficiency white top-emitting organic light-emitting diode (TOLED) is demonstrated by introducing tandem structure. The microcavity effects are used to finalize the configuration of the tandem white TOLED. The resultant tandem white TOLED emits a complementary-color white light with the Commission Internationale de L'Eclairage coordinates of (0.39, 0.43) and the color-rendering index of 70, which retains high color stability towards driving voltage. The maximum forward viewing external quantum efficiency and current efficiency of the device are 16.9% and 41.1cd/A, respectively. The employment of the tandem structure can be an alternative method to fabricate white TOLEDs for practical applications.

Original language	English
Article number	133302
Journal	Applied Physics Letters
Volume	101
Issue number	13
DOIs	https://doi.org/10.1063/1.4754828
State	Published - 24 Sep 2012
Externally published	Yes

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title = "White top-emitting organic light-emitting diodes employing tandem structure",

abstract = "A high-efficiency white top-emitting organic light-emitting diode (TOLED) is demonstrated by introducing tandem structure. The microcavity effects are used to finalize the configuration of the tandem white TOLED. The resultant tandem white TOLED emits a complementary-color white light with the Commission Internationale de L'Eclairage coordinates of (0.39, 0.43) and the color-rendering index of 70, which retains high color stability towards driving voltage. The maximum forward viewing external quantum efficiency and current efficiency of the device are 16.9% and 41.1cd/A, respectively. The employment of the tandem structure can be an alternative method to fabricate white TOLEDs for practical applications.",

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AU - Wang, Qiang

AU - Chen, Yonghua

AU - Chen, Jiangshan

AU - Ma, Dongge

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Y1 - 2012/9/24

N2 - A high-efficiency white top-emitting organic light-emitting diode (TOLED) is demonstrated by introducing tandem structure. The microcavity effects are used to finalize the configuration of the tandem white TOLED. The resultant tandem white TOLED emits a complementary-color white light with the Commission Internationale de L'Eclairage coordinates of (0.39, 0.43) and the color-rendering index of 70, which retains high color stability towards driving voltage. The maximum forward viewing external quantum efficiency and current efficiency of the device are 16.9% and 41.1cd/A, respectively. The employment of the tandem structure can be an alternative method to fabricate white TOLEDs for practical applications.

AB - A high-efficiency white top-emitting organic light-emitting diode (TOLED) is demonstrated by introducing tandem structure. The microcavity effects are used to finalize the configuration of the tandem white TOLED. The resultant tandem white TOLED emits a complementary-color white light with the Commission Internationale de L'Eclairage coordinates of (0.39, 0.43) and the color-rendering index of 70, which retains high color stability towards driving voltage. The maximum forward viewing external quantum efficiency and current efficiency of the device are 16.9% and 41.1cd/A, respectively. The employment of the tandem structure can be an alternative method to fabricate white TOLEDs for practical applications.

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DO - 10.1063/1.4754828

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JO - Applied Physics Letters

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White top-emitting organic light-emitting diodes employing tandem structure

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