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標題: Deposition of Silicon-Based Stacked Layers for Flexible Encapsulation of Organic Light Emitting Diodes
作者: Chia-Hsun Hsu 
Yang-Shih Lin 
Hsin-Yu Wu 
Xiao-Ying Zhang 
Wan-Yu Wu 
Shui-Yang Lien 
Dong-Sing Wuu 
Yeu-Long Jiang 
關鍵字: encapsulation;inorganic silicon;organic light emitting diode;organic silicon
In this study, inorganic silicon oxide (SiOx)/organic silicon (SiCxHy) stacked layers were deposited by a radio frequency inductively coupled plasma chemical vapor deposition system as a gas diffusion barrier for organic light-emitting diodes (OLEDs). The effects of thicknesses of SiOx and SiCxHy layers on the water vapor transmission rate (WVTR) and residual stress were investigated to evaluate the encapsulation capability. The experimental results showed that the lowest WVTR and residual stress were obtained when the thicknesses of SiOx and SiCxHy were 300 and 30 nm, respectively. Finally, different numbers of stacked pairs of SiOx/SiCxHy were applied to OLED encapsulation. The OLED encapsulated with the six-pair SiOx/SiCxHy exhibited a low turn-on voltage and low series resistance, and device lifetime increased from 7 h to more than 2000 h.
Appears in Collections:材料科學與工程學系

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