Light-emitting display device provided with light-emitting...

Details Light-emitting display device provided with light-emitting... Light-emitting display device provided with light-emitting...

2005-03-30

2008-10-28

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S505000, C313S503000

Reexamination Certificate

active

07443093

ABSTRACT:
A display device for increasing a lifetime includes a base substrate having a plurality of pixel regions, a plurality of first electrodes formed on the pixel regions, a light emitting layer including first, second and third light emitting portions to generate first, second and third lights, a second electrode that is electrically coupled to the light emitting layer. At least two of the first, second and third light emitting portions have different areas from each other. The areas of the light emitting portions are determined by reference lifetimes. Therefore, the lifetime for the display device is increased.

REFERENCES:
patent: 6366025 (2002-04-01), Yamada
patent: 6867549 (2005-03-01), Cok et al.
patent: 7202841 (2007-04-01), Matsumoto
patent: 7279834 (2007-10-01), Kanno et al.
patent: 2002/0186214 (2002-12-01), Siwinski
patent: 2004/0051448 (2004-03-01), Matsumoto
patent: 2004/0201558 (2004-10-01), Arnold et al.
patent: 2006/0170712 (2006-08-01), Miller et al.

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