发明名称 |
Electron gun of monochromic CRT |
摘要 |
The present invention is to provide an electron gun of a monochromic CRT comprising at least two electron emission sources (e.g., cathodes) for emitting beams having a small beam spot size and being adapted to impinge on the same spot of a screen of the monochromic CRT after having been focused by a focusing lens or common lens in the electron gun. As an end, the resolution, focusing quality and brightness of the screen of the monochromic CRT are improved.
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申请公布号 |
US6946784(B2) |
申请公布日期 |
2005.09.20 |
申请号 |
US20030437081 |
申请日期 |
2003.05.14 |
申请人 |
CHUNGHWA PICTURE TUBES, LTD. |
发明人 |
MO CHI-NENG;LIN PEI-KUANG;YANG YUNG-WEI;CHANG LI-NA |
分类号 |
H01J29/10;H01J29/48;H01J29/50;H01J29/80;H04N5/74;H04N9/31;(IPC1-7):H01J29/50 |
主分类号 |
H01J29/10 |
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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