Organic light emitting diode

Details Organic light emitting diode Organic light emitting diode

2006-08-07

2009-06-23

Patel, Ashok (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S505000, C313S506000

Reexamination Certificate

active

07550917

ABSTRACT:
An organic light emitting diode that uses edge light emission and has a long lifespan. An anode and a cathode are spaced by a pattern distance and they are located at the upper and lower portions of the light emitting part respectively. The organic light emitting diode uses a separate light emission area of the light emitting part for each of the initial and the final usage stages so that a tail drop of the luminance is prevented and the lifespan of the diode is increased.

REFERENCES:
patent: 6570323 (2003-05-01), Nakamata et al.
patent: 6906456 (2005-06-01), Sakaguchi
patent: 7338720 (2008-03-01), Satsuki et al.
patent: 2001/0011867 (2001-08-01), Nagayama et al.
patent: 2004/0256982 (2004-12-01), Nagayama et al.
patent: 2005/0104508 (2005-05-01), Ozawa et al.
patent: 2006/0006792 (2006-01-01), Strip
patent: 2007/0216289 (2007-09-01), Kuma et al.

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