发明名称 |
Funnel structure of cathode ray tube |
摘要 |
A funnel structure of a CRT in which provided that a deflection angle is 110° or more, a length of an outer surface evaluation line formed by connecting a TOR outer surface end where the funnel yoke portion and the funnel body portion meet and a neck seal outer surface end where the funnel yoke portion and the neck portion meet by a straight line is 'a' and a length of a straight line from the outer surface evaluation line where a vertical distance between the funnel yoke portion outer surface and the outer surface evaluation line is maximized, to the neck seal outer surface end is 'b', a formula of 0.20<=b/a<=0.40 is satisfied, so that a sensitivity of a deflection yoke is improved and a beam shadow neck margin of the electron beam can be satisfied.
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申请公布号 |
US2003209969(A1) |
申请公布日期 |
2003.11.13 |
申请号 |
US20020315988 |
申请日期 |
2002.12.11 |
申请人 |
HONG HYEON-SOO;KIM DO-HOON |
发明人 |
HONG HYEON-SOO;KIM DO-HOON |
分类号 |
H01J29/06;H01J29/70;H01J29/76;H01J29/86;H01J31/00;(IPC1-7):H01J31/00 |
主分类号 |
H01J29/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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