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Proceedings Paper

Study of a new type anode of OLED by MIC poly-Si
Author(s): Yang Li; Zhiguo Meng; Chunya Wu; Wong Man; Kwok Sing Hoi; Shaozhen Xiong
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Paper Abstract

In this paper, a boron-doped poly-Si crystallized by solution-based metal induced (S-MIC) as the anode of organic light emitting diode (OLED) was studied. The semi-transparent and semi-reflective anode of OLED systemized with the high reflectivity of Al cathode could form a micro-cavity structure with a low Q to improve the efficiency. The maximum luminance efficiency of red OLED made by Alq3: DCJTB (1.5wt %)( 30nm) with the poly-Si anode is 2.66cd/A, higher than that of the OLED with the ITO anodes by 30%. In order to improve the device performance, some key to optimize the character of MIC poly-Si thin film are analyzed theoretically. A new kind of TFT/OLED coupling structure in AMOLED was proposed, in which the pixel electrode of OLED was made by the same poly-Si thin film with its driver TFT's drain electrode. So that this coupling structure will simplify the AMOLED processes flow.

Paper Details

Date Published: 11 January 2008
PDF: 5 pages
Proc. SPIE 6828, Light-Emitting Diode Materials and Devices II, 68280J (11 January 2008); doi: 10.1117/12.755602
Show Author Affiliations
Yang Li, Nankai Univ. (China)
Zhiguo Meng, Nankai Univ. (China)
Chunya Wu, Nankai Univ. (China)
Wong Man, The Hong Kong Univ. of Science and Technology (Hong Kong China)
Kwok Sing Hoi, The Hong Kong Univ. of Science and Technology (Hong Kong China)
Shaozhen Xiong, Nankai Univ. (China)


Published in SPIE Proceedings Vol. 6828:
Light-Emitting Diode Materials and Devices II
Jian Wang; Changhee Lee; Hezhou Wang, Editor(s)

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