| 摘要 |
PROBLEM TO BE SOLVED: To improve display contrast, and to prevent cross talk in a discharge space by setting a stimulation value in an XYZ display color system of a barrier rib not more than a specific value, and setting a lengthwise directional recess/ projection of the barrier rib top part to a specific value range. SOLUTION: A back face glass substrate for a plasma display forming a barrier rib is sealed with a front glass substrate in the top part of a barrier rib to constitute a PDP(plasma display panel). A lengthwise directional recess/ projection of the barrier rib top part is controlled in 0.5 to 10μm, more desirably, 0.5 to 5μm to prevent cross talk of the plasma display. A stimulation value Y in an XYZ display color system of the barrier rib is set not more than 20 to improve display contrast. An optical density (reflection OD) value of the black part of the barrier rib is set not less than 1.3, more desirably, not less than 1.5, further desirably, not less than 1.6.
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