EL display device and a method of manufacturing the same
First Claim
Patent Images
1. An EL display device comprising:
- a pixel portion over a substrate;
a plurality of first banks in rows and a plurality of second banks in columns which partition the pixel portion in matrix;
a first pixel and a second pixel provided in a region partitioned by one of the plurality of first banks, a bank adjacent to the one of the plurality of first banks, one of the plurality of second banks, and a bank adjacent to the one of the plurality of second banks, wherein each of the first pixel and the second pixel comprises an EL element including a first electrode, an EL layer over the first electrode, and a second electrode over the EL layer;
a first current control transistor electrically connected to the EL element of the first pixel; and
a second current control transistor electrically connected to the EL element of the second pixel.
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Abstract
To provide a high throughput film deposition means for film depositing an organic EL material made of polymer accurately and without any positional shift. A pixel portion is divided into a plurality of pixel rows by a bank, and a head portion of a thin film deposition apparatus is scanned along a pixel row to thereby simultaneously apply a red light emitting layer application liquid, a green light emitting layer application liquid, and a blue light emitting layer application liquid in stripe shapes. Heat treatment is then performed to thereby form light emitting layers luminescing each of the colors red, green, and blue.
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Citations
10 Claims
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1. An EL display device comprising:
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a pixel portion over a substrate; a plurality of first banks in rows and a plurality of second banks in columns which partition the pixel portion in matrix; a first pixel and a second pixel provided in a region partitioned by one of the plurality of first banks, a bank adjacent to the one of the plurality of first banks, one of the plurality of second banks, and a bank adjacent to the one of the plurality of second banks, wherein each of the first pixel and the second pixel comprises an EL element including a first electrode, an EL layer over the first electrode, and a second electrode over the EL layer; a first current control transistor electrically connected to the EL element of the first pixel; and a second current control transistor electrically connected to the EL element of the second pixel. - View Dependent Claims (3, 5, 7, 9)
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2. An EL display device comprising:
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a pixel portion over a substrate; a driver circuit provided around the pixel portion over the substrate; a bank comprising a plurality of first banks in rows and a plurality of second banks in columns and partitioning the pixel portion in matrix; a first pixel and a second pixel provided at a region partitioned by one of the plurality of first banks, a bank adjacent to the one of the plurality of first banks, one of the plurality of second banks and a bank adjacent to the one of the plurality of second banks, wherein each of the first pixel and the second pixel comprises an EL element including a first electrode, an EL layer over the first electrode and a second electrode over the EL layer; a first current control transistor electrically connected to the EL element of the first pixel; and a second current control transistor electrically connected to the EL element of the second pixel. - View Dependent Claims (4, 6, 8, 10)
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Specification