CATHODE RAY TUBE INCLUDING ELECTRON GUN
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United States of America Patent
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Issued Date -
Jul 2, 2009
app pub date -
Jul 18, 2008
filing date -
Dec 28, 2007
priority date (Note) -
Abandoned
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Abstract
A cathode ray tube including an electron gun is disclosed. The cathode ray tube includes a panel, a funnel fused to a rear end of the panel, an electron gun which is inserted into the funnel and includes a focus electrode for focusing electron beams emitted from a cathode, and a field controller positioned inside or on a surface of the focus electrode. The field controller surrounds a portion or the entire of an outside electron beam among the aligned electron beams.
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