| 摘要 |
An organic electroluminescent display device includes a substrate having a plurality of sub-pixel regions for red, green and blue, a driving device on the substrate, a first electrode connected to the driving device, a hole being injected from the first electrode, a second electrode over the first electrode, an electron being injected from the second electrode, and a light emitting material layer interposed between the first and second electrodes, the light emitting material layer of at least one of the plurality of sub-pixel regions includes a phosphorescent material.
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