| 摘要 |
The present invention provides a cathode-ray tube. The cathode-ray tube according to the present invention includes a panel having a fluorescent film formed on the internal surface thereof, a shadow mask structure assembly disposed inside the panel, an outlet in sealing relationship with the panel and comprising: an electronic gun installed in a neck portion thereof; a deflection yoke installed around a conical portion of the same; a protective portion for protecting against magnetic fields which is installed along the outlet wall, and includes a metallic plate for blocking the effects of terrestrial magnetic fields. According to the present invention, it is possible to block the effects of terrestrial magnetic fields on said cathode-ray tube using a protective portion having a simple structure.
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