Plasma display device having a filter comprising an external...

Details Plasma display device having a filter comprising an external... Plasma display device having a filter comprising an external...

2007-03-30

2011-10-25

Ton, Toan (Department: 2889)

Electric lamp and discharge devices

With gas or vapor

Three or more electrode discharge device

C313S112000, C313S110000

Reexamination Certificate

active

08044589

ABSTRACT:
A plasma display apparatus may include an external light shielding sheet attached to a front of a panel to absorb and shield externally incident light. Accordingly, a black image can be implemented close to an original color and bright and dark room contrast can be improved. Furthermore, thickness of the external light shielding sheet and height of a pattern unit have a given ratio in order to properly secure an aperture ratio of the external light shielding sheet. Accordingly, light emitted into the panel can transmit toward a user side.

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