PLASMA DISPLAY PANEL INCLUDING UPPER AND LOWER PRECISE ALIGNMENT MARKS TO REDUCE ALIGNMENT DEFECTS OF UPPER AND LOWER PLATES

摘要

PURPOSE: A plasma display panel is provided to reduce alignment defects of upper and lower plates and allow for ease of alignment. CONSTITUTION: A plasma display panel comprises an upper plate(30) having an upper display portion(40) and a lower plate(10) having a lower display portion(20). The upper plate has upper precise alignment marks(32) formed outside the upper display portion and the upper precise alignment marks have a pattern same as that of a certain part of the upper display portion. The lower plate has lower precise alignment marks(12) having a pattern same as that of a certain part of the lower display portion. The lower precise alignment marks are formed at the position corresponding to the position of the upper precise alignment marks. The upper display portion and the lower display portion are aligned when the upper precise alignment marks and the lower precise alignment marks are aligned.