| 摘要 |
A light emitting substrate configured to enhance luminance of an image display apparatus is disclosed. The light emitting substrate includes a transparent substrate, a photonic crystal structure, a transparent anode, a light emitting layer having a diffuse reflectance of 0.04% or less and having a side reflecting member at a side thereof. The photonic crystal structure, the transparent anode, and the light emitting layer are successively laminated in this order on the transparent substrate. The light emitting substrate satisfies the following Condition 1 or Condition 2: Condition 1: 95@c, and 40@a<100 Condition 2: 85@c<95, and 80@a<100 where a is a relative area of the photonic crystal structure to that of the light emitting layer, and c is a reflectance of the side reflecting member.
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