LIQUID CRYSTAL DISPLAY DEVICE
First Claim
1. A display device comprising:
- a first substrate including a source electrode of a switching element, an organic film formed on the source electrode, a first electrode formed on the organic film, an insulating film formed on the first electrode, and a second electrode formed on the insulating film,wherein the second electrode has a slit and is electrically connected to the source electrode through a through hole, andwherein the slit extends in the through hole.
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Abstract
In a liquid crystal display device, a common electrode is formed on an organic passivation film, an interlayer insulating film is formed on the common electrode, a pixel electrode with a slit is formed on the interlayer insulating film, and a through hole is formed in the organic passivation film and the interlayer insulating film, so that the pixel electrode is connected to a source electrode of a TFT through the through hole. Further, the taper angle around the upper base of the through hole is smaller than the taper angle around the lower base. Thus, the alignment film material can easily flow into the through hole when the diameter of the through hole is reduced to connect the pixel and source electrodes, preventing display defects such as uneven brightness due to the absence of the alignment film or due to the alignment film irregularity around the through hole.
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Citations
16 Claims
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1. A display device comprising:
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a first substrate including a source electrode of a switching element, an organic film formed on the source electrode, a first electrode formed on the organic film, an insulating film formed on the first electrode, and a second electrode formed on the insulating film, wherein the second electrode has a slit and is electrically connected to the source electrode through a through hole, and wherein the slit extends in the through hole. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A display device comprising:
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a first substrate including a source electrode of a switching element, an organic film formed on the source electrode, a first electrode formed on the organic film, an insulating film formed on the first electrode, and a second electrode formed on the insulating film, wherein the second electrode has a slit and is electrically connected to the source electrode through a through hole, wherein the slit is extended to the through hole, and wherein the slit in the through hole does not overlap with the source electrode, in a plan view. - View Dependent Claims (13, 14, 15, 16)
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Specification