J. Semicond. > 2008, Volume 29?>?Issue 12?> 2417-2420

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Low-Voltage and High Efficiency Tandem White Organic Light Emitting Diodes

Wei Fuxiang, Fang Liang, Jiang Xueyin and Zhang Zhilin

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Abstract: We report a white tandem organic light-emitting device (TOLED) with high efficiency and low drive voltage using Bphen:Li/WO3 as the interconnecting layer.The TOLED have been fabricated by connecting two low-voltage driving white units with conductive transport layers.The tandem two-unit device produces two higher luminance efficiency than that expected of a single-unit device.A maximum efficiency of 17cd/A is achieved by the tandem device comprised of two white-fluorescent OLEDs.The power efficiency of tandem white organic light-emitting device is enhanced by 53% as compared to the control device.

Key words: organic emitting diode, low voltage, tandem, white EL devices

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    Received: 18 August 2015 Revised: 12 August 2008 Online: Published: 01 December 2008

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      Wei Fuxiang, Fang Liang, Jiang Xueyin, Zhang Zhilin. Low-Voltage and High Efficiency Tandem White Organic Light Emitting Diodes[J]. Journal of Semiconductors, 2008, 29(12): 2417-2420. ****Wei F X, Fang L, Jiang X Y, Zhang Z L. Low-Voltage and High Efficiency Tandem White Organic Light Emitting Diodes[J]. J. Semicond., 2008, 29(12): 2417.
      Citation:
      Wei Fuxiang, Fang Liang, Jiang Xueyin, Zhang Zhilin. Low-Voltage and High Efficiency Tandem White Organic Light Emitting Diodes[J]. Journal of Semiconductors, 2008, 29(12): 2417-2420. ****
      Wei F X, Fang L, Jiang X Y, Zhang Z L. Low-Voltage and High Efficiency Tandem White Organic Light Emitting Diodes[J]. J. Semicond., 2008, 29(12): 2417.

      Low-Voltage and High Efficiency Tandem White Organic Light Emitting Diodes

      • School of Materials Science & Engineering,China University of Mining and Technology,Xuzhou 221008,China

      • School of Materials Science & Engineering,China University of Mining and Technology,Xuzhou 221008,China

      • Key Laboratory of Advanced Display and System Application of the Ministry of Education,Shanghai University,Shanghai 201800,China

      • Key Laboratory of Advanced Display and System Application of the Ministry of Education,Shanghai University,Shanghai 201800,China

      • Received Date: 2015-08-18
      • Accepted Date: 2008-03-17
      • Revised Date: 2008-08-12
      • Published Date: 2008-12-09

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