The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2024
Filed:
Nov. 17, 2021
Sherpa Space Inc., Daejeon, KR;
Choa Mun Yun, Daejeon, KR;
SHERPA SPACE INC., Daejeon, KR;
Abstract
A radiational cooling film providing a variable wavelength which determines a solar heat shielding rate according to the internal temperature of a facility and changes a wavelength conversion section of the film exposed to sunlight to radiate a necessary wavelength according to the growth stage of plants, and a wavelength conversion device and system using the same are provided. The radiational cooling film providing a variable wavelength includes a base layer including a first region and a second region on one surface, a heat barrier layer disposed on a part of the other surface of the base layer, the first region being provided with the heat barrier layer, and the second region being not provided with the heat barrier layer, and a wavelength conversion layer including a plurality of wavelength conversion sections separated from each other in each of the first region and the second region.