Organic light emitting devices with conductive layers having...

Details Organic light emitting devices with conductive layers having... Organic light emitting devices with conductive layers having...

2005-03-22

2009-12-08

Guharay, Karabi (Department: 2889)

Electric lamp or space discharge component or device manufacturi

Process

Electrode making

C445S024000, C313S504000, C427S066000

Reexamination Certificate

active

07628669

ABSTRACT:
A method of modifying a work function of a conductor surface for use in organic light emitting devices. A plasma treatment is performed on the conductive layer. The plasma treatment employs a mixing gas comprising a nitrogen-containing gas for decreasing the work function and an oxygen-containing gas for increasing the work function. A flow ratio of the nitrogen-containing gas to the oxygen-containing gas is controlled to modify the work function.

REFERENCES:
patent: 6259202 (2001-07-01), Sturm et al.
patent: 2001/0015463 (2001-08-01), Wakabayashi et al.
patent: 2004/0108507 (2004-06-01), Grushin et al.
patent: 2004/0146744 (2004-07-01), Seo et al.
patent: 2006/0209529 (2006-09-01), Son et al.
patent: 2007/0080342 (2007-04-01), Bold et al.

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