公开(公告)号：US20210107258A1

公开(公告)日：2021-04-15

申请号：US16606625

申请日：2018-04-16

申请人： Central Glass Company, Limited

发明人： Yuki HORIE ,  Kazuhiro KATO

IPC分类号： B32B17/10

摘要： A solar radiation shielding member includes a low radiation film sheet having a first dielectric film, a first metal film, a second dielectric film, a second metal film, a third dielectric film, a third metal film and a fourth dielectric film laminated in order of mention on a transparent substrate. The first dielectric film has: a dielectric layer A arranged directly above the transparent substrate and containing silicon and nitrogen; and a dielectric layer B arranged on the dielectric layer A and containing titanium and oxygen. The dielectric layer A has an optical thickness of 12 to 86 nm. The first, second and third dielectric films have respective crystalline dielectric layers as top layers thereof. The crystalline dielectric layers each have an optical thickness of 5 to 54 nm. The first, second and third metal films are Ag films directly below which the crystalline dielectric layers are arranged, respectively.

公开(公告)号：US20190252086A1

公开(公告)日：2019-08-15

申请号：US16315332

申请日：2017-07-24

申请人： Central Glass Company, Limited

发明人： Kazuhiro KATO ,  Yuki HORIE

IPC分类号： G21F1/12 ,  G02B1/116 ,  B32B15/00 ,  B32B9/00

CPC分类号： G21F1/125 ,  B32B9/00 ,  B32B15/00 ,  B32B15/04 ,  B32B2307/204 ,  B32B2307/412 ,  B32B2307/418 ,  B32B2551/00 ,  G02B1/115 ,  G02B1/116 ,  G02B5/26 ,  G02B5/28

摘要： The object of the invention is to obtain a solar radiation shielding member that has a good visible light transmittance and shows no redness when viewed from the front and when obliquely viewed, without impairing the solar radiation transmittance. A solar radiation shielding member, wherein a first dielectric film, a first metal film, a second dielectric film, a second metal film, a third dielectric film, a third metal film, and a fourth dielectric film are stacked on a transparent substrate; the first dielectric film comprises at least two dielectric layers containing a layer having a refractive index of 2.4 or greater, and the first dielectric film as a whole has a refractive index in a range of 1.8-2.0; the second dielectric film has an optical film thickness of 165-201 nm; the third dielectric film has an optical film thickness of 147-182 nm; the fourth dielectric film has an optical film thickness of 75-120 nm; a geometric film thickness of the first metal film, the second metal film, and the third metal film is 30-40 nm in total; a geometric film thickness of the second metal film is in a range of 1.01-1.55 relative to a geometric film thickness of each of the first metal film and the third metal film.