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US 12,607,390 B2Granted
Laminate for bi-directional color radiative cooling and material for radiative cooling including the same
AssigneesHyundai Motor Company, Kia Corporation
InventorMin Jae Lee
Life of this patent
Estimating the term…
Abstract
An embodiment laminate for color radiative cooling includes a transparent colored layer including a first thermoplastic resin, an ultraviolet ray and visible ray reflective layer on the transparent colored layer and including a polyolefin-based polymer, a first far-infrared ray emissive layer on the ultraviolet ray and visible ray reflective layer and including a second thermoplastic resin, a near-infrared ray reflective layer on the first far-infrared ray emissive layer and including a metal, and a second far-infrared ray emissive layer on the near-infrared ray reflective layer and including a third thermoplastic resin.
Claims20
A laminate for color radiative cooling, the laminate comprising:
- a transparent colored layer comprising a first thermoplastic resin;
- an ultraviolet ray and visible ray reflective layer on the transparent colored layer and comprising a polyolefin-based polymer;
- a first far-infrared ray emissive layer on the ultraviolet ray and visible ray reflective layer and comprising a second thermoplastic resin;
- a near-infrared ray reflective layer on the first far-infrared ray emissive layer and comprising a metal;
- and
- a second far-infrared ray emissive layer on the near-infrared ray reflective layer and comprising a third thermoplastic resin,
- wherein:
- the first far-infrared ray emissive layer is configured to selectively emit a portion of a far-infrared spectrum having a first wavelength in a range from 4 to 20 μm,
- the second far-infrared ray emissive layer is configured to emit a far-infrared ray having a second wavelength in the range from 4 to 20 μm in a wide band, and
- the near-infrared ray reflective layer blocks heat by reflecting a near-infrared ray having a third wavelength in a second range from 750 to 2,500 nm.
7 more elements
A radiative cooling material comprising:
- a laminate comprising:
- a transparent colored layer comprising a first thermoplastic resin;
- an ultraviolet ray and visible ray reflective layer on the transparent colored layer and comprising a polyolefin-based polymer;
- a first far-infrared ray emissive layer on the ultraviolet ray and visible ray reflective layer and comprising a second thermoplastic resin;
- a near-infrared ray reflective layer on the first far-infrared ray emissive layer and comprising a metal;
- and
- a second far-infrared ray emissive layer on the near-infrared ray reflective layer and comprising a third thermoplastic resin,
- wherein:
- the first far-infrared ray emissive layer is configured to selectively emit a portion of a far-infrared spectrum having a first wavelength in a first range from 4 to 20 μm,
- the second far-infrared ray emissive layer is configured to emit a far-infrared ray having a second wavelength in the first range from 4 to 20 μm in a wide band, and
- the near-infrared ray reflective layer blocks heat by reflecting a near-infrared ray having a third wavelength in a second range from 750 to 2,500 nm.
8 more elements
A vehicle comprising:
- a vehicle body comprising a roof panel;
- a glass;
- and
- a radiative cooling material on the roof panel or the glass, the radiative cooling material comprising:
- a transparent colored layer comprising a first thermoplastic resin;
- an ultraviolet ray and visible ray reflective layer on the transparent colored layer and comprising a polyolefin-based polymer;
- a first far-infrared ray emissive layer on the ultraviolet ray and visible ray reflective layer and comprising a second thermoplastic resin;
- a near-infrared ray reflective layer on the first far-infrared ray emissive layer and comprising a metal;
- and
- a second far-infrared ray emissive layer on the near-infrared ray reflective layer and comprising a third thermoplastic resin,
- wherein:
- the first far-infrared ray emissive layer is configured to selectively emit a portion of a far-infrared spectrum having a first wavelength in a first range from 4 to 20 μm,
- the second far-infrared ray emissive layer is configured to emit a far-infrared ray having a second wavelength in the first range from 4 to 20 μm in a wide band, and
- the near-infrared ray reflective layer blocks heat by reflecting a near-infrared ray having a third wavelength in a second range from 750 to 2,500 nm.
11 more elements
Dependencies are inferred from the claim text.