发明名称 |
Color cathode ray tube |
摘要 |
A color cathode ray tube in which beam landing errors caused by non-uniform thermal expansion of a shadow mask are corrected is provided such that color purity is improved. The color cathode ray tube in accordance with the present invention comprises a panel having a phosphor screen formed on an inner surface thereof, a shadow mask having a faceplate portion and a peripheral skirt portion bent back from the faceplate portion and a frame joined to the skirt portion, wherein a height of the skirt portion is less than or equal to 12 mm for substantially the entire skirt portion, and a plurality of holes are perforated at the skirt portion.
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申请公布号 |
US7105995(B2) |
申请公布日期 |
2006.09.12 |
申请号 |
US20040834011 |
申请日期 |
2004.04.29 |
申请人 |
LG.PHILIPS DISPLAY CO., LTD. |
发明人 |
PARK SANG YOON;CHOI JONG EON;JEONG PYEONG SOO |
分类号 |
H01J29/80;H01J29/02;H01J29/07;H01J31/20 |
主分类号 |
H01J29/80 |
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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