Color cathode ray tube with optical filter system
OwnerHans-Helmut Bechtel, Harald Glaser +1inventors
InventorsHans-Helmut Bechtel, Harald Glaser, Joachim Opitz
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Abstract
A color cathode ray tube provided with a front shell having an inner and an outer surface and a display screen coating on the front shell comprising a structured phosphor coating with phosphor grids for the colors red, green and blue and a filter system comprised of a first structured optical filter of the transmission type for the color blue and of a second unstructured optical filter.
Claims8
A color cathode ray tube provided with a front shell having an inner and an outer surface and a display screen coating on the front shell comprising a structured phosphor coating with phosphor grids for the colors red, green and blue and a filter system comprised of a first structured optical filter of the transmission type for the color blue and of a second unstructured optical filter.
Dependencies are inferred from the claim text.