Panel of slim cathode ray tube with electron beam deflection angle of 110 degrees of more
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United States of America Patent
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-
Mar 23, 2010
Grant Date -
Aug 24, 2006
app pub date -
Feb 3, 2006
filing date -
Feb 14, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed herein is a panel of a slim cathode ray tube constructed such that the deflection angle of an electron beam is 110 degrees or more. The slim cathode ray tube includes a tube part constituted by joining the panel and a funnel with each other. The panel includes a face part, a side wall disposed around the face part such that the side wall is bent toward the funnel, and a seal edge formed at the side wall, the panel being joined with the funnel at the seal edge. On the assumption that the thickness of the center of the face part is Tc, the thickness of the long side of the seal edge is Tx, the thickness of the short side of the seal edge is Ty, and the thickness of the diagonal part of the seal edge is Td, the panel is constructed such that the following inequalities are satisfied: 0.8≦Tc/Ty≦Tc/Tx≦1.0≦Tc/Td and Td
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