Organic light emitting display apparatus
AssigneeLG Display Co., Ltd.
InventorsPureum KIM, Yeonsuk KANG, Hye-Jin GONG
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Abstract
An organic light emitting display apparatus can include an insulating film disposed on a substrate, a first electrode disposed on the insulating film, an organic light emitting layer disposed on the first electrode, and a second electrode disposed on the organic light emitting layer, wherein the first electrode can be provided with a contact area that covers a contact hole passing through the insulating film, and a protrusion vertically protruded from an upper surface of the first electrode on a boundary surface of the contact hole.
Claims20
An organic light emitting display apparatus comprising:
- an insulating film disposed on a substrate;
- a first electrode disposed on the insulating film;
- an organic light emitting layer disposed on the first electrode;
- and
- a second electrode disposed on the organic light emitting layer,
- wherein the first electrode is provided with a contact area that covers a contact hole passing through the insulating film, and a protrusion vertically protruded from an upper surface of the first electrode on a boundary surface of the contact hole.
The organic light emitting display apparatus of claim 10, wherein the contact area of the first electrode and the lower contact hole of the connection electrode overlap with each other.
A method for manufacturing an organic light emitting display apparatus, the method comprising:
- forming a transistor on a substrate;
- forming a planarization film having a lower contact hole on the transistor;
- forming a connection electrode electrically connected with the transistor through the lower contact hole on the planarization film by being patterned;
- forming a first electrode having a contact area covering the contact hole on the insulating film and a protrusion vertically protruded on a boundary surface of the contact hole;
- forming a fence film on the insulating film on which the first electrode is patterned, to cover an edge area of the first electrode;
- forming an organic light emitting layer on the first electrode and the fence film;
- and
- forming a second electrode on the organic light emitting layer.
Dependencies are inferred from the claim text.