ORGANIC LIGHT-EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAME
First Claim
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1. An organic light-emitting device comprising:
- a substrate with a first sub-pixel, a second sub-pixel, and a third sub-pixel;
a first electrode in each of the first sub-pixel, the second sub-pixel, and the third sub-pixel;
a second electrode facing the first electrode; and
an emission layer between the first electrode and the second electrode;
wherein the emission layer comprises a first emission layer in the first sub-pixel and configured to emit a first color light, a second emission layer in the second sub-pixel and configured to emit a second color light, and a third emission layer in all of the first sub-pixel, the second sub-pixel, and the third sub-pixel and configured to emit a third color light,the third emission layer has a first region located in the first sub-pixel, a second region located in the second sub-pixel, and a third region located in the third sub-pixel, andi) the first region of the third emission layer is between the first emission layer and the first electrode, and the second region of the third emission layer is between the second emission layer and the second electrode;
orii) the first region of the third emission layer is between the first emission layer and the second electrode, and the second region of the third emission layer is between the second emission layer and the first electrode.
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Abstract
According to embodiments of the present invention, a full-color organic light-emitting device has high reliability. The organic light-emitting device is manufactured using a simple and inexpensive manufacturing process.
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Citations
20 Claims
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1. An organic light-emitting device comprising:
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a substrate with a first sub-pixel, a second sub-pixel, and a third sub-pixel; a first electrode in each of the first sub-pixel, the second sub-pixel, and the third sub-pixel; a second electrode facing the first electrode; and an emission layer between the first electrode and the second electrode; wherein the emission layer comprises a first emission layer in the first sub-pixel and configured to emit a first color light, a second emission layer in the second sub-pixel and configured to emit a second color light, and a third emission layer in all of the first sub-pixel, the second sub-pixel, and the third sub-pixel and configured to emit a third color light, the third emission layer has a first region located in the first sub-pixel, a second region located in the second sub-pixel, and a third region located in the third sub-pixel, and i) the first region of the third emission layer is between the first emission layer and the first electrode, and the second region of the third emission layer is between the second emission layer and the second electrode;
orii) the first region of the third emission layer is between the first emission layer and the second electrode, and the second region of the third emission layer is between the second emission layer and the first electrode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of manufacturing an organic light-emitting device, the method comprising:
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forming a first electrode in each of a first sub-pixel region, a second sub-pixel region, and a third sub-pixel region on a substrate with the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region; forming a second emission layer for emitting a second color light in the second sub-pixel region; forming a third emission layer for emitting a third color light in all of the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region; forming a first emission layer for emitting a first color light in the first sub-pixel region; and forming a second electrode, wherein the first color light is red, the second color light is green, and the third color light is blue. - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method of manufacturing an organic light-emitting device, the method comprising:
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forming a first electrode in each of a first sub-pixel region, a second sub-pixel region, and a third sub-pixel region of a substrate having the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region; forming a first emission layer for emitting a first color light in the first sub-pixel region; forming a third emission layer for emitting a third color light in all of the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region; forming a second emission layer for emitting a second color light in the second sub-pixel region; and forming a second electrode, wherein the first color light is red, the second color light is green, and the third color light is blue. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification