ELECTRO-OPTICAL DEVICE, ELECTRONIC APPARATUS, AND METHOD OF MANUFACTURING THE SAME
First Claim
1. An electro-optical device, comprising:
- a substrate having a plurality of pixel electrodes thereon;
a bank structure formed on the substrate and provided with a plurality of pixel apertures corresponding to the plurality of pixel electrodes;
an injection layer formed in each of the plurality of pixel apertures for injecting electrons or holes;
an organic semiconductor layer formed on the injection layer in each of the plurality of pixel apertures; and
an electrode formed on the organic semiconductor layer,wherein the individual bank includes a lyophilic layer formed on the substrate and a lyophobic layer formed on the lyophilic layer, wherein each of the plurality of pixel apertures is formed so as to penetrate the lyophilic layer and the lyophobic layer, wherein the lyophobic layer has relatively weak affinity for a material solution used for forming the injection layer in comparison with the lyophilic layer and includes a plurality of lyophilic portions corresponding to the plurality of pixel apertures, and wherein the plurality of lyophilic portions are provided so as to be separate from each other, wherein each of the plurality of the lyophobic portions surrounds the corresponding pixel aperture of the plurality of pixel apertures.
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Accused Products
Abstract
An electro-optical device includes a substrate having a plurality of pixel electrodes thereon, a bank structure formed on the substrate and provided with a plurality of pixel apertures corresponding to the plurality of pixel electrodes, an injection layer formed in each of the plurality of pixel apertures for injecting electrons or holes, an organic semiconductor layer formed on the injection layer in each of a plurality of pixel apertures; and an electrode formed on the organic semiconductor layer, P wherein the individual bank includes a lyophilic layer formed on the substrate and a lyophobic layer formed on the lyophilic layer. Here, each of the plurality of the pixel apertures is formed so as to penetrate the lyophilic layer and the lyophobic layer. The lyophobic layer has relatively weak affinity for a material solution used for forming the injection layer in comparison with the lyophilic layer and includes a plurality of lyophilic portions corresponding to the plurality of pixel apertures.
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Citations
9 Claims
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1. An electro-optical device, comprising:
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a substrate having a plurality of pixel electrodes thereon; a bank structure formed on the substrate and provided with a plurality of pixel apertures corresponding to the plurality of pixel electrodes; an injection layer formed in each of the plurality of pixel apertures for injecting electrons or holes; an organic semiconductor layer formed on the injection layer in each of the plurality of pixel apertures; and an electrode formed on the organic semiconductor layer, wherein the individual bank includes a lyophilic layer formed on the substrate and a lyophobic layer formed on the lyophilic layer, wherein each of the plurality of pixel apertures is formed so as to penetrate the lyophilic layer and the lyophobic layer, wherein the lyophobic layer has relatively weak affinity for a material solution used for forming the injection layer in comparison with the lyophilic layer and includes a plurality of lyophilic portions corresponding to the plurality of pixel apertures, and wherein the plurality of lyophilic portions are provided so as to be separate from each other, wherein each of the plurality of the lyophobic portions surrounds the corresponding pixel aperture of the plurality of pixel apertures. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of manufacturing an electro-optical device including a plurality of pixel, apertures, comprising:
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forming pixel electrodes on a substrate at regions corresponding to the plurality of pixel apertures; sequentially stacking a lyophilic layer and a lyophobic thin film on the substrate so as to cover the pixel electrodes; processing a surface of the substrate layer by applying energy to the surface of the lyophobic thin film in order to improve solution affinity of ring-shaped regions of the surface of the lyophobic thin film to be stronger than that of regions other than the ring-shaped regions; forming a ring-shaped lyophobic layer by a liquid droplet ejecting method on the ring-shaped regions of the surface of the substrate; removing the lyophobic thin film and the lyophilic layer formed at regions surrounded by the ring-shaped regions; sequentially forming an injection layer and an organic semiconductor layer in depressions surrounded by the ring-shaped regions by a liquid droplet ejecting method; and forming a negative electrode on, the organic semiconductor layer. - View Dependent Claims (8)
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9. The method according to claim 9, wherein the processing the surface includes:
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arranging a mask on the lyophobic thin film so as to cover regions other than the ring-shaped regions; and treating the surface of the substrate with plasma.
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Specification