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White organic light-emitting devices utilizing a mixed color-conversion phosphor layer consisting of CaAl12O19:Mn and
Sung Dae Ahn1, Hwan Seok Jeong, Dong Chul Choo
1Department of Electronics and Computer Engineering, Hanyang University, Seoul 133-791, Korea.
Abstract:
White organic light-emitting devices (WOLEDs) were fabricated utilizing a mixed color-conversion layer consisting of CaAl12O19:Mn and Zn2SiO4:Mn phosphors. The ratio between the CaAl12O19:Mn and the Zn2SiO4:Mn phosphor determined the rate of the red and the green lights. The color rendering index was improved by using a mixed color-conversion phosphor layer.
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