Patent ID: 7040944

Claim:
A PDP production method comprising: a fluorescent substance layer forming step for forming a fluorescent substance layer on at least one of: a side of a front panel facing a back panel; and a side of the back panel facing the front panel; a sealing material layer forming step for forming a sealing material layer on at least one of: the side of the front panel facing the back panel; and the side of the back panel facing the front panel; a preparative heating step for, after the fluorescent substance layer forming step and the sealing material layer forming step, heating the front panel and the back panel while a space is opened between the sides of the panels facing each other; and a bonding step for, immediately after the preparative heating step, putting the front panel and the back panel together to form inner space between the panels, and bonding the front panel and the back panel by maintaining a bonding temperature equal to or higher than a softening point of the sealing material.