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US 2001/0024680 A1Published application
Color display device with color filter and pigment
AssigneeKoninklijke Philips Electronics N.V.
InventorRemko Horne
Life of this patent
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Abstract
A display device (1) comprises a display screen (10) which comprises a blue color filter layer (24B) and a blue phosphor (25B). The blue phosphor with or covered by blue pigments.
Claims2
Color display device comprising a substrate, said color display device having on the substrate a phosphor pattern of phosphor regions containing phosphors for emitting, in operation, red, blue and green light through a display window, with at least a blue color filter layer extending between the blue phosphor and the substrate, characterized in that the blue phosphors comprises phosphor particles provided with blue pigment.
Dependencies are inferred from the claim text.