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US 11,079,095 B2Granted
Lighting apparatus
AssigneeToppan Printing Co., Ltd.
InventorMasaki Koyama
Life of this patent
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Abstract
A lighting apparatus includes: a laser light source emitting laser light; a liquid crystal device that transmits the laser light from the laser light source and diffracts the laser light; a phosphor unit that receives laser light from the liquid crystal device, converts a wavelength of the laser light to emit illumination light, the phosphor unit including a first phosphor of a first color and a second phosphor of a second color differing from the first color. The liquid crystal device controls an angle of the laser light and selects one of the first phosphor or the second phosphor.
Claims10
A lighting apparatus comprising:
- a laser light source emitting laser light;
- a liquid crystal device that transmits the laser light from the laser light source and diffracts the laser light;
- a phosphor unit that receives laser light from the liquid crystal device, converts a wavelength of the laser light to emit illumination light, the phosphor unit including a first phosphor of a first color and a second phosphor of a second color differing from the first color,
- wherein the liquid crystal device controls an angle of the laser light and selects one of the first phosphor or the second phosphor.
1 more element
Dependencies are inferred from the claim text.