公开(公告)号：US20240391822A1

公开(公告)日：2024-11-28

申请号：US18685672

申请日：2022-08-23

Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

Inventor： Kwang Seok KIM ,  Jung Pil KIM ,  Myoung Hun KIM

IPC: C03C17/25 ,  G02F1/01

Abstract: The present invention provides a thermochromic film in which vanadium dioxide can be used without a doping process after the phase transition temperature thereof is reduced, and thus, there are economic and environmental advantages, and a method for manufacturing a thermochromic film, the method comprising: a formation step of forming a coating layer by applying a solution including untreated vanadium oxide onto a substrate; and a formation step of forming a thermochromic layer by phase change of untreated vanadium oxide to vanadium dioxide through annealing using intense pulsed light (IPL).

公开(公告)号：US20240385351A1

公开(公告)日：2024-11-21

申请号：US18784959

申请日：2024-07-26

Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

Inventor： Kwang Seok KIM ,  Dae Up KIM ,  Seung Bae SON ,  Ji Won YOUN ,  Eun Won SON

IPC: G02B1/115 ,  B05D3/06 ,  B22F3/10 ,  B32B17/06 ,  B82Y20/00 ,  B82Y30/00 ,  B82Y40/00 ,  C08J5/18 ,  C08J7/06 ,  G02B1/04

Abstract: The present invention provides a method of preparing an optical laminate including a substrate and a thermochromic layer formed on the substrate where the thermochromic layer includes a vanadium oxide cluster. The method includes: a formation step of applying a solution containing vanadium oxide particles onto the substrate to form a coating layer, a photo-evaporation step of emitting light to remove organic matter from the coating layer; and a photo-sintering step of emitting light to photo-sinter the vanadium oxide particles contained in the coating layer to prepare a thermochromic layer including a vanadium oxide cluster.

公开(公告)号：US20210223439A1

公开(公告)日：2021-07-22

申请号：US15733863

申请日：2018-09-21

Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

Inventor： Kwang Seok KIM ,  Dae Up KIM ,  Seung Bae SON ,  Ji Won YOUN ,  Eun Won SON

IPC: G02B1/115 ,  C08J5/18 ,  B22F3/10 ,  C08J7/06 ,  G02B1/04

Abstract: The present invention provides an optical laminate, and a manufacturing method therefor, the optical laminate comprising a substrate and a thermochromic which is formed on the substrate and which comprises vanadium oxide particles, wherein the adhesive strength between the thermochromic layer and the substrate is 50 N/m or greater, and the thermochromic layer is controlled so as to have a specific pore area ratio. The laminate manufactured by the method of the present invention has excellent visible light transmittance and infrared light transmittance.