| 摘要 |
An organic light emitting display device, comprising: a first insulating layer formed on a substrate; a plurality of patterns formed on the first insulating layer, the patterns and the first insulating layer together forming a surface having a corrugated cross-section; a first electrode formed on the patterns and the first insulating layer, the first electrode having a thickness less than a height of the patterns; an organic light emitting layer formed on the first electrode in a light emitting region; and a second electrode formed on the organic light emitting layer. The light completely reflected by internal surfaces of the first and second electrodes is externally emitted due to a mode mismatch phenomenon in an edge portion of a pattern thereof, thereby increasing a light emission rate of the display device.
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