| 摘要 |
PURPOSE: A panel is provided to achieve improved luminance and contrast of color cathode ray tube, while forming a uniform phosphor screen by enhancing the dispersing ability of the phosphor. CONSTITUTION: A color cathode ray tube comprises a black matrix layer formed on the inner surface of the color cathode ray tube; and a phosphor screen formed between the black matrix layers and deposited with red, green and blue phosphors. At least one of the phosphors has a particle with a surface coated with a metal oxide film, wherein the metal oxide film is made of Fe2O3 and has a thickness of 10 to 70nm.
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