公开(公告)号：US20240279495A1

公开(公告)日：2024-08-22

申请号：US18565932

申请日：2022-05-30

Applicant: SOULBRAIN CO., LTD.

Inventor： Seok Joo KIM ,  Myeong Jin KIM

IPC: C09D11/037 ,  C09D11/52

CPC classification number: C09D11/037 ,  C09D11/52

Abstract: A transparent nickel complex ink composition and a method for preparing the same are described. Specifically, the transparent nickel complex ink composition comprises: a polar portion comprising nickel and a compound coordinated to the nickel; a solvent; and other additives. The nickel complex compound ink composition is transparent and particle-free, and has an absorbance (ABS) value of 1.0 or higher in a wavelength range of 600 nm to 650 nm.