Electric lamp and discharge devices – With luminescent solid or liquid material – Solid-state type
Reexamination Certificate
2007-04-11
2008-10-21
Patel, Ashok (Department: 2889)
Electric lamp and discharge devices
With luminescent solid or liquid material
Solid-state type
C313S506000, C428S917000
Reexamination Certificate
active
07439671
ABSTRACT:
An organic electroluminescent element formed on a substrate has a layer structure in which organic layer including an organic electroluminescent layer is sandwiched between a pair of electrodes. A film formation region of an emission layer which is made of a uniform film forming material in accordance with one opening of a film forming mask is formed by plural layers including a first emission layer and a second emission layer. The layers are formed at each setting of the film forming mask.
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Itoh Hiroshi
Kura Hiroyuki
Ohshita Isamu
Yahagi Takashi
Yamaki Masatoshi
Patel Ashok
Sughrue & Mion, PLLC
Tohoku Pioneer Corporation
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