| 发明名称 |
Structure of electron gun for color cathode ray tube |
| 摘要 |
A cathode ray tube with a reduced beam spot size on a fluorescent screen is obtained by forming electron beam passing holes on the electrodes composing a triode portion of an electron gun to have horizontally and vertically asymmetric shapes.
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| 申请公布号 |
US7009333(B2) |
申请公布日期 |
2006.03.07 |
| 申请号 |
US20030678071 |
申请日期 |
2003.10.06 |
| 申请人 |
LG.PHILIPS DISPLAY KOREA CO., LTD. |
发明人 |
HWANG CHEOL HO;KIM MOON SIK;KIM KI TAE;KIM DONG YOUNG |
| 分类号 |
H01J29/48;H01J29/50;H01J29/56 |
主分类号 |
H01J29/48 |
| 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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