Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Reexamination Certificate
2006-11-16
2009-02-03
Patel, Vip (Department: 2889)
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
C313S113000
Reexamination Certificate
active
07486024
ABSTRACT:
A display apparatus filter and a plasma display apparatus using the same are disclosed. The display apparatus filter includes a light transmission unit and a light absorption unit. The light transmission unit has a plurality of holes. The plurality of holes each have gradually increasing opening area as the filter goes from its front surface to its rear surface. The light absorption unit is formed on the parts other than the part where the plurality of holes are formed in the front surface of the filter.
REFERENCES:
patent: 6483238 (2002-11-01), Baret et al.
Choi Chul Chae
Kim Sang-Cheon
Kwon Hyouk
Yee Youngjoo
Fish & Richardson P.C.
LG Electronics Inc.
Patel Vip
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