ORGANIC EL DISPLAY AND MANUFACTURING METHOD THEREOF
First Claim
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1. An organic EL display comprising:
- an organic EL element comprising at least a lower electrode, an organic layer comprising at least a light-emitting layer, and an upper electrode, in this order, on a substrate; and
a thin film field effect transistor that is formed on the upper electrode and drives the organic EL element, the thin film field effect transistor comprising at least a gate electrode, a gate insulating layer, an active layer, a source electrode and a drain electrode, wherein the active layer contains an oxide semiconductor.
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Abstract
The present invention provides an organic electroluminescence display having an organic electroluminescence element including, on a substrate, at least a lower electrode, an organic layer including at least a light-emitting layer, and an upper electrode in this order, and on the upper electrode, a thin film field effect transistor which includes at least a gate electrode, a gate insulating layer, an active layer, a source electrode and a drain electrode and drives the organic electroluminescence element, wherein the active layer includes an oxide semiconductor; and a manufacturing method thereof.
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Citations
20 Claims
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1. An organic EL display comprising:
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an organic EL element comprising at least a lower electrode, an organic layer comprising at least a light-emitting layer, and an upper electrode, in this order, on a substrate; and a thin film field effect transistor that is formed on the upper electrode and drives the organic EL element, the thin film field effect transistor comprising at least a gate electrode, a gate insulating layer, an active layer, a source electrode and a drain electrode, wherein the active layer contains an oxide semiconductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of manufacturing an organic EL display comprising:
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an organic EL element comprising on a substrate at least a lower electrode, an organic layer comprising at least a light-emitting layer, and an upper electrode, in this order; and a thin film field effect transistor that is formed on the upper electrode and drives the organic EL element, the thin film field effect transistor comprising at least a gate electrode, a gate insulating layer, an active layer, a source electrode and a drain electrode, wherein the active layer contains an oxide semiconductor, wherein the method comprises forming the organic EL element and forming the thin film field effect transistor successively on the substrate.
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Specification