Organic Light Emitting Display Device
The present invention relates to a hybrid organic light emitting display device including a driving thin film transistor having an oxide semiconductor pattern and a switching thin film transistor having an oxide semiconductor pattern or a polycrystalline semiconductor pattern in a driving device uni...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention relates to a hybrid organic light emitting display device including a driving thin film transistor having an oxide semiconductor pattern and a switching thin film transistor having an oxide semiconductor pattern or a polycrystalline semiconductor pattern in a driving device unit for driving a unit pixel, in which a light blocking layer below an active layer is electrically connected to a source electrode to form the driving thin film transistor with wide control range at low gradation and the light blocking layer is disposed as close as possible to the active layer to broaden the control range of the driving thin film transistor. |
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