| 摘要 |
A phosphor layer structure of a color cathode ray tube in a screen formed of a block matrix and red, green and blue phosphors is suitable for improving white luminance, in which tau > alpha , tau > beta and alpha beta alpha / tau , and alpha / tau =0.91 DIFFERENCE 0.65 providing that a width occupied by the red phosphor is designated by alpha , that occupied by the blue phosphor is beta and that occupied by the green phosphor is tau .
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