DISPLAY DEVICE AND METHOD FOR FABRICATING THE SAME
First Claim
1. A display device comprising:
- a gate electrode and a first metal pattern on a substrate, the gate electrode being formed on a first region of the substrate and the first metal pattern being formed on a second region of the substrate;
an insulating film formed on the gate electrode and the first metal pattern and provided with a first hole for exposing at least a part of the first metal pattern;
source and drain electrodes formed on the insulating film in the first region and a second metal pattern formed on the insulating film in the second region;
a pixel electrode formed on the source and drain electrodes, the pixel electrode electrically connected with the drain electrode, and a first protection electrode formed on the second metal pattern, the first protection electrode electrically connected with the second metal pattern and at least partially covering the second metal pattern;
a passivation film formed on an entire surface of the substrate including the pixel electrode and the first protection electrode and provided with a second hole for exposing at least a part of the first metal pattern and a third hole for exposing at least a part of the first protection electrode; and
a connection electrode formed on the passivation film, the connection electrode connected with the first metal pattern through a first contact hole formed by a combination of the first hole and the second hole, and connected with the first protection electrode through a second contact hole formed of the third hole,wherein the first protection electrode is formed of the same material as that of the pixel electrode.
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Accused Products
Abstract
Disclosed is a display device that may include a gate electrode and a first metal pattern on a substrate, the gate electrode being formed on a first region of the substrate and the first metal pattern being formed on a second region of the substrate; an insulating film formed on the gate electrode and the first metal pattern and provided with a first hole for exposing at least a part of the first metal pattern; source and drain electrodes formed on the insulating film in the first region and a second metal pattern formed on the insulating film in the second region; a pixel electrode formed on the source and drain electrodes, the pixel electrode electrically connected with the drain electrode, and a first protection electrode formed on the second metal pattern, the first protection electrode electrically connected with the second metal pattern and at least partially covering the second metal pattern; a passivation film formed on an entire surface of the substrate including the pixel electrode and the first protection electrode and provided with a second hole for exposing at least a part of the first metal pattern and a third hole for exposing at least a part of the first protection electrode; and a connection electrode formed on the passivation film, the connection electrode connected with the first metal pattern through a first contact hole formed by a combination of the first hole and the second hole, and connected with the first protection electrode through a second contact hole formed of the third hole, wherein the first protection electrode is formed of the same material as that of the pixel electrode.
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Citations
14 Claims
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1. A display device comprising:
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a gate electrode and a first metal pattern on a substrate, the gate electrode being formed on a first region of the substrate and the first metal pattern being formed on a second region of the substrate; an insulating film formed on the gate electrode and the first metal pattern and provided with a first hole for exposing at least a part of the first metal pattern; source and drain electrodes formed on the insulating film in the first region and a second metal pattern formed on the insulating film in the second region; a pixel electrode formed on the source and drain electrodes, the pixel electrode electrically connected with the drain electrode, and a first protection electrode formed on the second metal pattern, the first protection electrode electrically connected with the second metal pattern and at least partially covering the second metal pattern; a passivation film formed on an entire surface of the substrate including the pixel electrode and the first protection electrode and provided with a second hole for exposing at least a part of the first metal pattern and a third hole for exposing at least a part of the first protection electrode; and a connection electrode formed on the passivation film, the connection electrode connected with the first metal pattern through a first contact hole formed by a combination of the first hole and the second hole, and connected with the first protection electrode through a second contact hole formed of the third hole, wherein the first protection electrode is formed of the same material as that of the pixel electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for fabricating a display device, the method comprising:
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forming a gate insulating film, which has a hole for exposing at least a part of a first metal pattern, on a gate electrode formed on a first region of a substrate and the first metal pattern formed on a second region of the substrate; forming source and drain electrodes on the gate insulating film of the first region, and forming a second metal pattern on the insulating film of the second region; forming a first material layer for forming a pixel electrode, on an entire surface of the substrate including the source electrode, the drain electrode, and the second metal pattern; forming the pixel electrode electrically connected with the drain electrode on the first region by patterning the first material layer and forming a first protection electrode, which is electrically connected with the second metal pattern and covers the second metal pattern, on the second metal pattern in the second region; forming a passivation film on an entire surface of the substrate including the pixel electrode and the first protection electrode, the passivation film being provided with a second hole for exposing at least a part of the first metal pattern and a third hole for exposing at least a part of the first protection electrode; and forming a common electrode on the passivation film in the first region and forming a connection electrode on the passivation film in the second region, the connection electrode being connected with the first metal pattern through a first contact hole formed by a combination of the first hole and the second hole and being connected with the first protection electrode through a second contact hole formed of the third hole. - View Dependent Claims (10, 11, 12, 13, 14)
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Specification