Display device having jumping structure with connection electrode 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 on a first region of the substrate and the first metal pattern being on a second region of the substrate;
an insulating film 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 on the insulating film in the first region and a second metal pattern on the insulating film in the second region;
a first passivation film on the source and drain electrodes in the first region and having a fourth hole, the first passivation film not being on the second metal pattern in the second region;
a planarization film on the first passivation film, wherein the planarization film has a fifth hole in the first region and is not disposed on the second metal pattern in the second region;
a pixel electrode on the planarization film in the first region, the pixel electrode electrically connected with the drain electrode through a third contact hole formed by a combination of the fourth hole and the fifth hole,a first protection electrode 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 second passivation film which is separate and distinct from the first passivation film not being in the second region, on an entire surface of the substrate including the pixel electrode, the planarization film, 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, the second passivation film being a continuous layer; and
a connection electrode on the second 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 and the pixel electrode are formed of the same material, andwherein the first metal pattern is electrically connected to the second metal pattern through the connection electrode.
1 Assignment
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Accused Products
Abstract
Disclosed is a display device that may include a pixel electrode formed on source and drain electrodes, the pixel electrode electrically connected with the drain electrode, and a first protection electrode formed on a second metal pattern, the first protection electrode electrically connected with the second metal pattern and at least partially covering the second metal pattern; and a connection electrode formed on a passivation film, the connection electrode connected with a first metal pattern through a first contact hole, and connected with the first protection electrode through a second contact hole, wherein the first protection electrode is formed of the same material as that of the pixel electrode.
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Citations
22 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 on a first region of the substrate and the first metal pattern being on a second region of the substrate; an insulating film 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 on the insulating film in the first region and a second metal pattern on the insulating film in the second region; a first passivation film on the source and drain electrodes in the first region and having a fourth hole, the first passivation film not being on the second metal pattern in the second region; a planarization film on the first passivation film, wherein the planarization film has a fifth hole in the first region and is not disposed on the second metal pattern in the second region; a pixel electrode on the planarization film in the first region, the pixel electrode electrically connected with the drain electrode through a third contact hole formed by a combination of the fourth hole and the fifth hole, a first protection electrode 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 second passivation film which is separate and distinct from the first passivation film not being in the second region, on an entire surface of the substrate including the pixel electrode, the planarization film, 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, the second passivation film being a continuous layer; and a connection electrode on the second 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 and the pixel electrode are formed of the same material, and wherein the first metal pattern is electrically connected to the second metal pattern through the connection electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. 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 passivation film on the source and drain electrodes in the first region and having a fourth hole; forming a planarization film on the first passivation film such that that the planarization film has a fifth hole in the first region and that the second metal pattern is exposed in 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, the second metal pattern, the first passivation film, and the planarization film; forming the pixel electrode electrically connected with the drain electrode on the first region through a third contact hole formed by a combination of the fourth hole and the fifth hole 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 second passivation film which is separate and distinct from the first passivation film not being in the second region, on an entire surface of the substrate including the pixel electrode, the planarization film, and the first protection electrode, the second 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, wherein the second passivation film being a continuous layer; and forming a common electrode on the second passivation film in the first region and forming a connection electrode on the second 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, wherein the first metal pattern is electrically connected to the second metal pattern through the connection electrode. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A display device comprising:
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a gate electrode and a first metal pattern on a substrate, the gate electrode being on a first region of the substrate and the first metal pattern being on a second region of the substrate; an insulating film 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 on the insulating film in the first region and a second metal pattern on the insulating film in the second region; a first passivation film on the source and drain electrodes in the first region and having a fourth hole, the first passivation film not being on the second metal pattern in the second region; a planarization film on the first passivation film, wherein the planarization film has a fifth hole in the first region and is not disposed on the second metal pattern in the second region; a pixel electrode on the planarization film in the first region, the pixel electrode electrically connected with the drain electrode through a third contact hole formed by a combination of the fourth hole and the fifth hole, a first protection electrode on the second metal pattern, and a second protection electrode on the first protection electrode, the first protection electrode electrically connected with the second metal pattern and at least partially covering the second metal pattern; a second passivation film which is separate and distinct from the first passivation film not being in the second region, on an entire surface of the substrate including the pixel electrode, the planarization film, and the second 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 second protection electrode, wherein the second passivation film is a continuous layer; and a connection electrode on the second 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 second protection electrode through a second contact hole formed of the third hole, wherein the first protection electrode is the same material as the pixel electrode, wherein the connection electrode is connected with the first protection electrode through the second protection electrode, and wherein the first metal pattern is electrically connected to the second metal pattern through the connection electrode. - View Dependent Claims (18, 19, 20, 21, 22)
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Specification