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US 10,852,581 B2Granted
Light unit and display device including the same
AssigneeSamsung Display Co., Ltd.
InventorsDong Hee Lee, Baek Hee Lee, Sun-Young Hong
Life of this patent
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Abstract
A light unit according to an exemplary embodiment includes a light source and an optical member transmitting and converting light emitted from the light source, where the optical member includes a light guide, a low refractive index layer disposed on the light guide and having a smaller refractive index than that of the light guide, and a wavelength conversion layer disposed on the low refractive index layer and including quantum dots, and the low refractive index layer includes a metal.
Claims20
A light unit comprising:
- a light source and an optical member which transmits and converts light emitted from the light source, the optical member including:
- a light guide;
- a low refractive index layer disposed on the light guide and having a smaller refractive index than that of the light guide;
- and
- a wavelength conversion layer disposed on the low refractive index layer and including quantum dots,
- wherein the low refractive index layer includes a metal.
3 more elements
A display device comprising
- a display panel;
- and
- a light unit which supplies light to the display panel, the light unit including:
- a light source;
- and
- an optical member which transmits and converts the light emitted from the light source, the optical member including:
- a light guide;
- a low refractive index layer disposed on the light guide and including a metal;
- and
- a wavelength conversion layer disposed on the low refractive index layer and including a quantum dot,
- wherein a refractive index of the low refractive index layer is 1 or less.
8 more elements
Dependencies are inferred from the claim text.