Electric lamp and discharge devices – With gas or vapor – Three or more electrode discharge device
Reexamination Certificate
2007-12-07
2010-12-07
Ton, Toan (Department: 2889)
Electric lamp and discharge devices
With gas or vapor
Three or more electrode discharge device
C359S350000
Reexamination Certificate
active
07847482
ABSTRACT:
The present disclosure relates to a plasma display device including a plasma display panel and a sheet disposed at a front surface of the plasma display panel to protect the plasma display panel from external light. The sheet includes a base unit formed with a plurality of grooves and a plurality of pattern unit lines formed on the plurality of grooves of the base unit and has a refractive index different from that of the base unit. The number of the pattern unit lines overlapped with any one of a plurality of discharge cells formed in the panel is 8 to 25. A lower end of the pattern unit lines has a width larger than an upper end of the pattern unit lines, and the upper end of the pattern unit lines is closer to the plasma display panel.
REFERENCES:
patent: 6657387 (2003-12-01), Yoo
patent: 2006/0250064 (2006-11-01), Park et al.
patent: 1 677 336 (2006-07-01), None
patent: 2006-030844 (2006-02-01), None
patent: 10-2006-0080116 (2006-07-01), None
European Search Report dated Feb. 26, 2009.
Cha Hong Rae
Cho Sam Je
Moon Joon Kwon
Shin Woon Seo
Sohn Ji Hoon
Featherly Hana S
Ked & Associates LLP
LG Electronics Inc.
Ton Toan
LandOfFree
Sheet for protecting external light and plasma display... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sheet for protecting external light and plasma display..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sheet for protecting external light and plasma display... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4191184