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US 12,742,993 B2Granted
Monochromatic display
AssigneeKorrus, Inc.
InventorsPaul Kenneth Pickard, Benjamin Harrison
Life of this patent
Estimating the term…
Abstract
A display comprising (a) a front lit or back lit display; (b) a light source for lighting the display, the light source comprising a violet emitter for emitting violet light having a peak wavelength of 400 to 430 nm and phosphor emitter excited by the violet light and emitting yellow-green light having a peak wavelength of 530 to 620 nm; (c) wherein a combination of the violet light and the yellow green light produces white light; (d) wherein the white light has a color rendering index less than 70.
Claims16
A monochromatic display, comprising:
- a front lit or back lit display;
- a light source for lighting said display, said light source comprising a violet emitter for emitting violet light having a peak wavelength of 400 to 430 nm and phosphor emitter excited by said violet light and emitting yellow-green light having a peak wavelength of 530 to 620 nm;
- wherein a combination of said violet light and said yellow green light produces white light;
- wherein said white light has a color rendering index less than 70.
1 more element
Dependencies are inferred from the claim text.