IP Library Granted Patent US 8,147,902
Granted Patent B2
US 8,147,902 · App. 11/327,329 · Granted Apr 3, 2012

Electro luminescence display device and fabricating method and apparatus thereof

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Quick Facts
Patent No.
US 8,147,902
App. No.
11/327,329
Granted
Apr 3, 2012
Kind
B2
Abstract

An electro luminescence display device having a display area and a non-display area includes a plurality of display organic light emission layers formed in the display area and a dummy organic light emission layer formed in the non-display area.

Claims (9)

1. A fabricating method of an electro luminescence display device, comprising:

attaching to a roller a resin plate with a plurality of display concavo-convex patterns formed at a location corresponding to a display area of a substrate and with at least one dummy concavo-convex pattern formed at a location corresponding to a non display area of the substrate;

supplying an organic material to the resin plate; and

printing the organic material spread on the resin plate to the substrate by rotating the roller,

wherein each of convex surfaces of the display concavo-convex patterns and the dummy concavo-convex pattern has a hemispherical shape with a same size, wherein the resin plate has a first base surface formed between outmost one of the display concavo-convex patterns and the dummy concavo-convex pattern and a second base surface formed on outer side of the dummy concavo-convex pattern, wherein a height from the first base surface to the convex surface of the display concavo-convex patterns is smaller than a height from the second base surface to the convex surface of the dummy concavo-convex pattern, and wherein a height of the first base surface is different from that of the second base surface.

2. The fabricating method according to claim 1 , wherein the resin plate has the dummy concavo-convex pattern with a gap having different depth on at least one side surface of the dummy concavo-convex pattern.

3. The fabricating method according to claim 1 , wherein the resin plate has the display concavo-convex patterns with gaps having a uniform depth in between the display concavo-convex patterns.

4. The fabricating method according to claim 1 , further comprising repeating the steps to form a plurality of organic light emission layers of red, green and blue are formed in the display area of the substrate, and to form at the same time a dummy organic light emission layer of red, green and blue in the non-display area of the substrate.

5. The fabricating method according to claim 4 , wherein at least one dummy pixel is formed in the non-display area, the dummy pixel being composed of the dummy organic light emission layer.

Assignments (1)
CHANGE OF NAME Recorded Jun 19, 2008
From: LG.PHILIPS LCD CO., LTD.
To: LG DISPLAY CO., LTD.
Reel/Frame 021147/0009 →