Patent ID: 7922555
Filing Date: 2011-04-12
Classification: H01J

Abstract:
1. A method of manufacturing a plasma display panel, the plasma display panel including: a front panel and a rear panel positioned to face each other and sealed with an adhesive at peripheries of the front panel and the rear panel to form a discharge space therein; and an exhaust pipe for exhausting the discharge space and then filling the discharge space with a discharge gas, and the method comprising steps of: placing a first open end of the exhaust pipe to be sealed around a fine exhaust hole disposed on the rear panel via a tablet formed of non-lead frit glass containing bismuth oxide, the non-lead frit glass having a softening point higher than the adhesive; positioning and assembling the front panel and the rear panel facing with each other; placing a second open end of the exhaust pipe to be connected with an exhaust device, on the exhaust device with the second open end facing down; and performing a sealing at a specified sealing temperature.