Color cathode ray tube capable of reducing stress
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United States of America Patent
Stats
-
Dec 26, 2006
Grant Date -
Mar 10, 2005
app pub date -
May 28, 2004
filing date -
Sep 5, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A color cathode ray tube has features to decrease mechanical stress due to internal pressure made by evacuation. The cathode ray tube includes a panel on an inner surface of which a phosphor screen is formed. A funnel is joined to the panel. An electron gun generates electron beams, and a deflection yoke is mounted within the funnel to deflect the electron beams. The panel satisfies a condition: L1+(L2-L1).times.0.35.ltoreq.L.ltoreq.L1+(L2-L1).times.0.45, and more preferably a condition: L1+(L2-L1).times.0.35.ltoreq.L
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