Display apparatus

Details Display apparatus Display apparatus

2009-12-08

2011-12-13

Won, Bumsuk (Department: 2889)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S509000

Reexamination Certificate

active

08076845

ABSTRACT:
In a display apparatus, a thin film transistor, a planarization film, and at least two light-emitting devices are provided on a substrate, and the light-emitting device at least includes a light-emitting layer and first and second electrodes. At least two first contact holes and at least two second contact holes are provided in the planarization film at a part outside a display region and connect the first electrode to ground wiring and/or power wiring with a resistance lower than that of the first electrode, the distance between the second contact hole and the display region is longer than that between the first contact hole and the display region, and the opening area of the second contact hole is smaller than that of the first contact hole.

REFERENCES:
patent: 6867541 (2005-03-01), Okuyama et al.
patent: 7227312 (2007-06-01), Kwak
patent: 2005/0162081 (2005-07-01), Kwak et al.
patent: 2005/0200270 (2005-09-01), Kwak

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