Organic light emitting display device and method of manufacturing the same
First Claim
1. An organic light emitting display device comprising:
- a substrate having a plurality of sub-pixel areas;
a switching thin film transistor formed on each of the sub-pixel areas, wherein the switching thin film transistor has a first control electrode, a first input electrode and a first output electrode;
a driving thin film transistor connected to the switching thin film transistor, wherein the driving thin film transistor has a second control electrode, a second input electrode and a second output electrode;
a color filter formed on at least one of sub-pixel areas;
an insulating layer formed on the switching thin film transistor and the driving thin film transistor, wherein the insulating layer has a groove and a contact hole;
a pixel electrode electrically connected to the driving thin film transistor through the contact hole, the pixel electrode extending to the groove to be partially contained in the groove;
wherein the pixel electrode has an edge declined in the groove;
a cover member covering the edge of the pixel electrode;
wherein the cover member comprises an organic material and a position of an upper surface of the cover member is substantially the same or is lower than a position of an upper surface of the pixel electrode;
an organic light emitting member formed on the pixel electrode; and
a common electrode formed on the organic light emitting member.
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Accused Products
Abstract
Disclosed is an organic light emitting display device including a substrate having a plurality of sub-pixel areas, a switching thin film transistor formed on each of the sub-pixel areas, a driving thin film transistor connected to the switching thin film transistor, a color filter formed on at least one of sub-pixel areas, an insulating layer formed on the switching thin film transistor, the driving thin film transistor and the color filter, a pixel electrode connected to the driving thin film transistor, an organic light emitting member formed on the pixel electrode, and a common electrode formed on the organic light emitting member. The insulating layer has a groove. The groove is formed along a boundary of the pixel electrode. The groove has a width of about 0.2 to about 4 μm. The groove has a depth of about 0.2 to about 4 μm. The pixel electrode has an edge declined in the groove.
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Citations
12 Claims
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1. An organic light emitting display device comprising:
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a substrate having a plurality of sub-pixel areas; a switching thin film transistor formed on each of the sub-pixel areas, wherein the switching thin film transistor has a first control electrode, a first input electrode and a first output electrode; a driving thin film transistor connected to the switching thin film transistor, wherein the driving thin film transistor has a second control electrode, a second input electrode and a second output electrode; a color filter formed on at least one of sub-pixel areas; an insulating layer formed on the switching thin film transistor and the driving thin film transistor, wherein the insulating layer has a groove and a contact hole; a pixel electrode electrically connected to the driving thin film transistor through the contact hole, the pixel electrode extending to the groove to be partially contained in the groove; wherein the pixel electrode has an edge declined in the groove;
a cover member covering the edge of the pixel electrode;
wherein the cover member comprises an organic material and a position of an upper surface of the cover member is substantially the same or is lower than a position of an upper surface of the pixel electrode;an organic light emitting member formed on the pixel electrode; and a common electrode formed on the organic light emitting member. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An organic light emitting display device comprising:
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a substrate having a plurality of sub-pixel areas; a switching thin film transistor formed on each of the sub-pixel areas; a driving thin film transistor connected to the switching thin film transistor; an insulating layer having a groove and a contact hole formed on the driving thin film transistor; a pixel electrode connected to the driving thin film transistor; wherein the pixel electrode has an edge declined in the groove;
a cover member covering the edge of the pixel electrode;
wherein the cover member comprises an organic material and a position of an upper surface of the cover member is substantially the same or is lower than a position of an upper surface of the pixel electrode;an organic light emitting member disposed on the pixel electrode and the insulating layer to cover an entire upper surface of each of the pixel electrode and the insulating layer; and a common electrode formed on the organic light emitting member. - View Dependent Claims (9, 10, 11, 12)
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Specification