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:
May. 14, 2019
Filed:
Sep. 08, 2016
Lg Hausys, Ltd., Seoul, KR;
Hyun-Woo You, Incheon, KR;
Youn-Ki Jun, Gwacheon-si, KR;
Dae-Hoon Kwon, Anyang-si, KR;
Sung-Jin Park, Incheon, KR;
LG HAUSYS, LTD., Seoul, KR;
Abstract
Provided is a functional building material for windows and doors, which is a multi-layered structure including: a transparent glass substrate; and a low emissivity coating formed on a surface of the transparent glass substrate, wherein the low emissivity coating includes a lowermost barrier layer, a dielectric layer, a low emissivity protective layer, a low emissivity layer, and an uppermost protective layer, wherein the lowermost barrier layer is located at the lowermost portion of the low emissivity coating to contact the transparent glass substrate, and the uppermost protective layer is located at the uppermost portion at which the low emissivity coating is outwardly exposed, wherein the lowermost barrier layer is multi-layered to include a first layer contacting the transparent glass substrate and a second layer located on the upper part of the first layer.