Coated phosphor particles, method, and cathode ray tube screen
AssigneeGTE Products Corporation
InventorsRobert E. Dodds, David J. Harrigan
Life of this patent
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Abstract
Red cathode ray phosphors are coated with a vapor deposited layer of cadmium selenide in order to achieve controlled color shifts in the light output of the phosphors. Such coated phosphors are especially suited for color television and monitor applications.
Claims10
A composite article of manufacture comprising a phosphor particle and a continuous coating on the surface of the particle, characterized in that said coating comprises a vapor deposited layer of a color modifying material having a substantially uniform thickness.
An article of manufacture comprising a cathode ray tube faceplate and an array of elemental areas on the faceplate, the areas comprising coated particles of a cathode ray phosphor distributed in a matrix of a photoresist, characterized in that the particle coating comprises a vapor deposited layer of a color modifying material.
Dependencies are inferred from the claim text.