A plasma display panel that is capable of improving a contrast as well as reducing the power consumption. In the plasma display panel, a distance between the sustaining electrode pair at a display region is different from that at a non-display region. A width of the barrier rib at the display region is different from that at the non-display region. The non-display region is provided with black matrices for shutting off a light. A protective layer is provided only at the display region.

 
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< Plasma display panel having dummy barrier ribs

> Multicolor light emission apparatus with multiple different wavelength organic elements

> Optoelectronic display

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