OEL Devices with Double Buffer Layers Composed of Two Types of LB Phthalocyanine

Takayuki UCHIDA  Shigeru NAKANE  Takeshi NAKADA  Yujiro NAGATA  Masao OHTSUKA  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E83-C   No.7   pp.1026-1027
Publication Date: 2000/07/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Issue on Organic Molecular Electronics for the 21st Century)
Category: Electro Luminescence
Keyword: 
OEL,  LB technique,  phthalocyanine,  buffer layer,  

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Summary: 
Luminance and luminous efficiency of EL devices have been improved considerably by inserting double buffer layers composed of two types of Phthalocyanine deposited by the LB technique. This is considered to be caused by hole injection through relatively smooth energy levels.