Cathode ray tube
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United States of America Patent
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Issued Date -
May 4, 2006
app pub date -
Oct 28, 2005
filing date -
Nov 3, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A frame for a cathode ray tube including a panel formed with a blend region outside an effective screen of the panel, the blend region having an outer surface curvature having a radius satisfying a condition '20.ltoreq.Rb.ltoreq.60 (mm)' where 'Rb' represents the outer surface curvature radius, so that it is possible to reduce the weight of the panel without causing a degradation in picture quality, and thus, to reduce manufacturing costs. It is also possible to reduce damage of the panel when the panel is processed in a furnace, and thus, to achieve an enhancement in productivity.
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