Organic electroluminescent lighting device and method for manufacturing the same
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United States of America Patent
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Jun 13, 2017
Grant Date -
Jan 3, 2013
app pub date -
Apr 26, 2011
filing date -
Apr 28, 2010
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Abstract
The present invention is to provide an organic electroluminescent lighting device that can reduce the occurrence of short-circuiting caused by inrush current. The organic electroluminescent lighting device includes: transparent substrate 1; positive electrode film 2 that is formed on the surface of transparent substrate 1 and includes terminal 2a formed at one end or both ends and electrode 2b formed continuously from terminal 2a; negative electrode terminal film 3 that is formed separate from positive electrode film 2 on the surface of transparent substrate 1 and includes first resistive region 7; organic light emitting film 4 formed on the surface of electrode 2b of positive electrode film 2; and negative electrode film 5 continuously formed from the surface of organic light emitting film 4 to the surface of negative electrode terminal film 3. When viewed from a first cut surface that is along a thickness direction of negative electrode terminal film 3, a conductor's cross-sectional area in first resistive region 7 is smaller than a negative electrode terminal film's cross-sectional area at boundary 11a with outer peripheral part of negative electrode film 5.
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