Acta Photonica Sinica, Volume. 39, Issue 4, 596(2010)

White Organic Light-emitting Devices Using Organic/Inorganic Color Conversion Film

WU Xiao-ming1,2,3, HOU Qing-chuan1,2,3, HUA Yu-lin1,2,3、*, QI Qing-jin1,2,3, LI Lan1,2,3, and YIN Shou-gen1,2,3
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
  • 3[in Chinese]
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    A novel white organic light-emitting device (WOLED) using a strategy of exciting organic/inorganic color conversion film with a blue organic light-emitting diode (OLED) is reported.The luminescent layer of the blue OLED is prepared by using of CBP host blended with a blue highly fluorescent dye N-BDAVBi.The organic/inorganic color conversion film is prepared by dispersing a mixture of red pigment VQ-D25 and YAG phosphor in PMMA.A novel WOLED with the high color stability by optimizing the thickness and fluorescent pigment concentration of the color conversion film are achieved.When the driving voltage varied between 6 V to 14 V,the color coordinates varied slightly from (0.354,0.304) to (0.357,0.312) and the maximum current efficiency is about 5.8 cd/A(4.35 mA/cm2),the maximum brightness is 16 800 cd/m2 at the operating voltage of 14 V.

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    WU Xiao-ming, HOU Qing-chuan, HUA Yu-lin, QI Qing-jin, LI Lan, YIN Shou-gen. White Organic Light-emitting Devices Using Organic/Inorganic Color Conversion Film[J]. Acta Photonica Sinica, 2010, 39(4): 596

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    Paper Information

    Received: May. 12, 2009

    Accepted: --

    Published Online: May. 24, 2010

    The Author Email: Yu-lin HUA (yulinhua@tjut.edu.cn)

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