Plasma display panel and production method thereof and...

Details Plasma display panel and production method thereof and... Plasma display panel and production method thereof and...

2001-08-28

2008-03-25

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

C313S586000

Reexamination Certificate

active

07348729

ABSTRACT:
A plasma display panel having excellent electron emission properties and a method of making the same. A plasma display panel is provided with a protective layer having a dense growth of columnar crystals formed on a dielectric layer. A middle layer can be provided for improving orientation of the columnar crystals. A heating step creates seed crystals to increase the width and growth of columnar crystals with a selective orientation and greater diameter. The area of any exposed surfaces on the protective layer becomes smaller and absorption of impurities decreases. A layer of grain crystals or an amorphic crystal layer is initially deposited on the dielectric layer to establish wider area seed crystals of a desired orientation. A vacuum evaporated complimentary protective layer can then be grown with the improved configuration.

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