Organic electroluminescent display device having a...

Details Organic electroluminescent display device having a... Organic electroluminescent display device having a...

2007-07-09

2010-11-16

Won, Bumsuk (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S509000, C313S512000

Reexamination Certificate

active

07834544

ABSTRACT:
The invention mainly provides an organic EL display device which can prevent the intrusion of moisture into an organic EL film by applying a thin film technique to the display device. For this end, the organic EL display device is configured such that (1) a lower electrode and an upper electrode are formed with an organic EL film sandwiched therebetween, an SiOxNy film which functions as a moisture proof film is formed to cover the upper electrode by a plasma CVD method, wherein the moisture proof film protects the organic EL film from moisture, (2) an inspection-use conductive film is formed on the moisture proof film13,and (3) the presence or the non-presence of a defect in the moisture proof film is detected by applying a DC or AC voltage between the inspection-use conductive film and the upper electrode.

REFERENCES:
patent: 2005/0285521 (2005-12-01), Menda
patent: 2007/0228942 (2007-10-01), Akai et al.
patent: 2008/0303418 (2008-12-01), Fujita et al.
patent: 03-261091 (1991-11-01), None
patent: 2001-345175 (2001-12-01), None

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