Method for fabricating an organic electroluminescene device having organic field effect transistor and organic eloectroluminescence diode
First Claim
1. A method for fabricating an organic EL device comprising the steps of:
- sequentially forming a transparent electrode, an organic light-emitting layer and a metal electrode over a substrate to form an organic LED;
forming a first insulating layer on the metal electrode;
forming a gate electrode patterned on a portion of the surface of the first insulating layer;
forming a second insulating layer on the first insulating layer and the gate electrode;
sequentially patterning the second insulating layer and the first insulating layer to form a via hole partially exposing the surface of the metal electrode;
forming a metal electrode layer filling the via hole and covering the second insulating layer;
patterning the metal electrode layer to partially expose the surface of the second insulating layer, and forming a source electrode contacting the metal electrode and a drain on the second insulating layer; and
forming an organic semiconducting layer on the second insulating layer between the source electrode and the drain electrode.
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Accused Products
Abstract
Provided is an organic electroluminescent (EL) device including a substrate, a transparent electrode formed on the substrate, an organic light-emitting layer formed on the transparent electrode, a metal electrode formed on the organic light-emitting layer, a first insulating layer formed on the metal electrode, a gate electrode formed on the first insulating layer, a second insulating layer formed on the gate electrode, an organic semiconducting layer formed on the second insulating layer, a source electrode connected to one end of the organic semiconducting layer on the second insulating layer and connected to the metal electrode, and a drain electrode connected to the other end of the organic semiconducting layer on the second insulating layer.
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Citations
8 Claims
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1. A method for fabricating an organic EL device comprising the steps of:
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sequentially forming a transparent electrode, an organic light-emitting layer and a metal electrode over a substrate to form an organic LED;
forming a first insulating layer on the metal electrode;
forming a gate electrode patterned on a portion of the surface of the first insulating layer;
forming a second insulating layer on the first insulating layer and the gate electrode;
sequentially patterning the second insulating layer and the first insulating layer to form a via hole partially exposing the surface of the metal electrode;
forming a metal electrode layer filling the via hole and covering the second insulating layer;
patterning the metal electrode layer to partially expose the surface of the second insulating layer, and forming a source electrode contacting the metal electrode and a drain on the second insulating layer; and
forming an organic semiconducting layer on the second insulating layer between the source electrode and the drain electrode. - View Dependent Claims (2, 3, 4)
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5. A method for fabricating an organic EL device comprising the steps of:
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providing a metal substrate having a first, bottom surface and a second, top surface;
sequentially forming an organic light-emitting layer and a transparent electrode on the first surface of the metal substrate;
forming a first insulating layer on the second surface of the metal substrate;
forming a gate electrode patterned on a portion of the surface of the first insulating layer;
forming a second insulating layer on the first insulating layer and the gate electrode;
sequentially patterning the second insulating layer and the first insulating layer to form a via hole partially exposing the surface of the metal substrate;
forming a metal electrode layer filling the via hole and covering the second insulating layer;
patterning the metal electrode layer to partially expose the surface of the second insulating layer, and forming a source electrode contacting the metal electrode and a drain on the second insulating layer; and
forming an organic semiconducting layer on the second insulating layer between the source electrode and the drain electrode. - View Dependent Claims (6)
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7. A method for fabricating an organic EL device comprising the steps of:
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providing an insulating layer having a first, bottom surface and a second, top surface;
sequentially forming a metal electrode, an organic light-emitting layer and a transparent electrode on the first surface of the insulating substrate;
forming a gate electrode patterned on a portion of the surface of the insulating layer so as not to cover the via hole;
forming an insulating layer on the insulating substrate and the gate electrode;
patterning the second insulating layer to expose the via hole of the insulating substrate;
forming a metal electrode layer contacting the via hole and covering the insulating layer;
patterning the metal electrode layer to partially expose the surface of the insulating layer, and forming a source electrode contacting the metal electrode and a drain on the second insulating layer; and
forming an organic semiconducting layer on the insulating layer between the source electrode and the drain electrode. - View Dependent Claims (8)
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Specification