ORGANIC ELECTRO LUMINESCENCE DISPLAY DEVICE AND METHOD FOR MANUFACTURING SAME
First Claim
1. An organic electro luminescence display device comprising:
- on a substrate, a plurality of lower electrodes provided correspondingly in number to organic electro luminescence elements for a plurality of color light emissions;
an organic layer provided on the lower electrodes and including a plurality of hole injection/transport layers having at least one of hole injection and hole transport characteristics, a plurality of organic light-emitting layers; and
a plurality of electron injection/transport layers having at least one of electron injection and electron transport characteristics, and an upper electrode formed on said organic layer,wherein said hole injection/transport layer, said organic light-emitting layer and said electron injection/transport layer are classified into an individual layer formed for each of said organic electro luminescence elements for the respective color light emissions and a common layer formed on the entire surface of said organic electro luminescence elements of the respective color light emissions, anda thickness of said common layer is larger than a thickness of said individual layer.
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Accused Products
Abstract
Disclosed herein is an organic electro luminescence display device including: on a substrate, a plurality of lower electrodes provided correspondingly in number to organic electro luminescence elements for a plurality of color light emissions; an organic layer provided on the lower electrodes and including a plurality of hole injection/transport layers having at least one of hole injection and hole transport characteristics, a plurality of organic light-emitting layers; and a plurality of electron injection/transport layers having at least one of electron injection and electron transport characteristics, and an upper electrode formed on the organic layer. The hole injection/transport layer, the organic light-emitting layer and the electron injection/transport layer are classified into an individual layer and a common layer. A thickness of the common layer is larger than a thickness of the individual layer.
22 Citations
17 Claims
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1. An organic electro luminescence display device comprising:
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on a substrate, a plurality of lower electrodes provided correspondingly in number to organic electro luminescence elements for a plurality of color light emissions; an organic layer provided on the lower electrodes and including a plurality of hole injection/transport layers having at least one of hole injection and hole transport characteristics, a plurality of organic light-emitting layers; and a plurality of electron injection/transport layers having at least one of electron injection and electron transport characteristics, and an upper electrode formed on said organic layer, wherein said hole injection/transport layer, said organic light-emitting layer and said electron injection/transport layer are classified into an individual layer formed for each of said organic electro luminescence elements for the respective color light emissions and a common layer formed on the entire surface of said organic electro luminescence elements of the respective color light emissions, and a thickness of said common layer is larger than a thickness of said individual layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for manufacturing an organic electro luminescence display device comprising:
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forming, on a substrate, a lower electrode for each of first organic electro luminescence elements for blue light emission and second organic electro luminescence elements for other light emission; forming a hole injection/transport layer having at least one of hole injection and hole transport characteristics on the lower electrode for each of the first organic electro luminescence elements and the second organic electro luminescence elements according to a coating method; forming a second organic light-emitting layer for other light emission on the hole injection/transport layer for the second organic electro luminescence element according to a coating method; forming a first organic light-emitting layer for blue light emission over an entire surface of said second organic light-emitting layer and said hole injection/transport layer for said first organic electro luminescence element according to a vacuum deposition method; forming an electron injection/transport layer having at least one of electron injection and electron transport characteristics on said first organic light-emitting layer and said second organic light-emitting layer according to a vacuum deposition method; and forming an upper electrode over an entire surface of said electron injection/transport layer. - View Dependent Claims (15)
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16. A method for manufacturing an organic electro luminescence display device comprising:
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forming, on a substrate, a plurality of lower electrodes for a corresponding plurality of organic electro luminescence elements; forming a plurality of hole injection/transport layers having at least one of hole injection and hole transport characteristics on the lower electrodes with respect to each of the organic electro luminescence elements according to a coating method; forming a plurality of organic light-emitting layers on the hole injection/transport layers with respect to each of the organic electro luminescence elements according to a coating method; forming an electron injection/transport layer having at least one electron injection and electron transport characteristics over an entire surface of the plurality of organic light-emitting layers according to a vapor deposition method; and forming an upper electrode over an entire surface of the electron injection/electron transport layer. - View Dependent Claims (17)
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Specification