ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE AND PATTERNING METHOD
First Claim
1. An organic electroluminescent display device comprising at least a driving thin film transistor and pixels which are formed by organic electroluminescent elements and are provided in a pattern on a substrate of the TFT,wherein the driving TFT includes at least a substrate, a gate electrode, a gate insulating film, an active layer, a source electrode, and a drain electrode;
- the driving TFT further includes a resistive layer between the active layer and at least one of the source electrode and the drain electrode; and
the pixels are formed in a pattern by a laser transfer method.
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Accused Products
Abstract
An organic electroluminescent display device includes a driving TFT and pixels which are formed by organic electroluminescent elements and provided in a pattern on a substrate of the TFT. The driving TFT includes at least a substrate, a gate electrode, a gate insulating film, an active layer, a source electrode, and a drain electrode; the driving TFT further includes a resistive layer between the active layer and at least one of the source electrode and the drain electrode; and the pixels are formed in a pattern by a laser transfer method. A patterning method by a laser transfer method for producing the fine pixels is also provided.
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Citations
16 Claims
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1. An organic electroluminescent display device comprising at least a driving thin film transistor and pixels which are formed by organic electroluminescent elements and are provided in a pattern on a substrate of the TFT,
wherein the driving TFT includes at least a substrate, a gate electrode, a gate insulating film, an active layer, a source electrode, and a drain electrode; - the driving TFT further includes a resistive layer between the active layer and at least one of the source electrode and the drain electrode; and
the pixels are formed in a pattern by a laser transfer method. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
- the driving TFT further includes a resistive layer between the active layer and at least one of the source electrode and the drain electrode; and
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15. An organic electroluminescent display device patterning method of patterning pixels formed by organic electroluminescent elements on a substrate of a driving transistor, the method comprising:
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forming a donor sheet containing at least a layer that absorbs an electromagnetic wave and converts it to heat, and forming a transfer layer containing an organic electroluminescent material on the donor sheet; bringing the transfer layer side of the donor sheet into contact with a pixel-forming surface of the substrate; and selectively irradiating the donor sheet with a laser so as to thermally melt the transfer layer and so as to transfer the organic electroluminescent material onto the substrate, wherein the driving TFT includes at least a substrate, a gate electrode, a gate insulating film, an active layer, a source electrode, and a drain electrode;
the driving TFT further includes a resistive layer between the active layer and at least one of the source electrode and the drain electrode. - View Dependent Claims (16)
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Specification