Organic light emitting display device and method of...

Details Organic light emitting display device and method of... Organic light emitting display device and method of...

2008-07-22

2008-07-22

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S500000, C313S505000, C313S506000, C313S504000, C257S040000, C257S079000, C257SE51022, C257SE51018, C257SE51019, C438S099000, C438S637000, C438S652000

Reexamination Certificate

active

07402944

ABSTRACT:
An organic light emitting display device (OLED) and a method of fabricating the same, in which electric field influence between first and second electrodes is reduced in an edge region of a unit pixel. The OLED includes a substrate, and a thin film transistor (TFT) located on the substrate. A passivation layer is located on the TFT over substantially an entire surface of the substrate, and has a via hole for exposing source or drain electrode, and a groove. A first electrode on the passivation layer is in electrical contact with the exposed source or drain electrode through the via hole, and has an edge located in the groove. A pixel defining layer is located on the first electrode and has an opening for exposing a predetermined portion of the first electrode. An organic layer is in contact with the predetermined portion, and a second electrode is formed on the organic layer.

REFERENCES:
patent: 5485055 (1996-01-01), Keyser
patent: 5684365 (1997-11-01), Tang et al.
patent: 6383831 (2002-05-01), Kim
patent: 6544809 (2003-04-01), Lim
patent: 7312571 (2007-12-01), Kim

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