ORGANIC ELECTROLUMINESCENT DISPLAY PANEL AND METHOD FOR FABRICATING THE SAME
First Claim
1. An organic electroluminescent display panel comprising:
- a substrate;
a thin film transistor formed on the substrate;
a bottom electrode formed on a drain of the thin film transistor;
a light-blocking layer formed on the bottom electrode, wherein the light-blocking layer has a first through hole that exposes the bottom electrode;
a pixel define layer formed on the thin film transistor, the bottom electrode, and the light-blocking layer, wherein the pixel define layer has a second through hole, a diameter of the second through hole is larger than a diameter of the first through hole, and the second through hole completely exposes the first through hole;
an organic electroluminescent device formed on the bottom electrode, and an edge of the organic electroluminescent device formed on the light-blocking layer; and
a top electrode formed on the organic electroluminescent device.
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Abstract
The present invention discloses an organic electroluminescent display panel, including a substrate; a thin film transistor formed on the substrate; a bottom electrode formed on a drain of the thin film transistor; a light-blocking layer formed on the bottom electrode, the light-blocking layer has a first through hole that exposes the bottom electrode; a pixel define layer formed on the thin film transistor, the bottom electrode, and the light-blocking layer, the pixel define layer has a second through hole, the second through hole completely exposes the first through hole; an organic electroluminescent device formed on the bottom electrode, an edge of the organic electroluminescent device is formed on the light-blocking layer; and a top electrode formed on the organic electroluminescent device. The present invention uses the light-blocking layer to block the edge of the organic electroluminescent device, thereby eliminating the non-uniform brightness of the edge of the organic electroluminescent device.
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Citations
12 Claims
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1. An organic electroluminescent display panel comprising:
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a substrate; a thin film transistor formed on the substrate; a bottom electrode formed on a drain of the thin film transistor; a light-blocking layer formed on the bottom electrode, wherein the light-blocking layer has a first through hole that exposes the bottom electrode; a pixel define layer formed on the thin film transistor, the bottom electrode, and the light-blocking layer, wherein the pixel define layer has a second through hole, a diameter of the second through hole is larger than a diameter of the first through hole, and the second through hole completely exposes the first through hole; an organic electroluminescent device formed on the bottom electrode, and an edge of the organic electroluminescent device formed on the light-blocking layer; and a top electrode formed on the organic electroluminescent device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for fabricating an organic electroluminescent display panel comprising:
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providing a substrate; forming a thin film transistor on the substrate; forming a bottom electrode on a drain of the thin film transistor; forming a light-blocking layer on the bottom electrode; forming a first through hole in the light-blocking layer to expose the bottom electrode; forming a pixel define layer on the thin film transistor, the bottom electrode, and the light-blocking layer; forming a second through hole in the pixel define layer to completely expose the first through hole, wherein a diameter of the second through hole is larger than a diameter of the first through hole; forming an organic electroluminescent device on the bottom electrode and the light-blocking layer, and forming an edge of the organic electroluminescent device on the light-blocking layer; and forming a top electrode on the organic electroluminescent device. - View Dependent Claims (12)
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Specification