公开(公告)号：US20240418910A1

公开(公告)日：2024-12-19

申请号：US18743911

申请日：2024-06-14

Applicant: PLATINUM OPTICS TECHNOLOGY INC.

Inventor： Shih-Song Cheng ,  Bo-Xun Zhu ,  Jia-Cheng Chang ,  Kuan-Yu Chen ,  Hung-Han Duan ,  Shi-Lin Zhang ,  Chin-Jung Hsu

IPC: G02B5/00

Abstract: Provided is a lens module with an integrated structure, including a first lens and a second lens, a first substrate and a second substrate, an optical bonding layer, a first absorption layer and a second absorption layer, wherein the first absorption layer includes a copper complex, which is formed from a copper compound, a phosphonic acid represented by formula 1 herein, and at least one phosphorus-containing compound represented by formulas 2 to 4 herein. Due to the integrated structure, the lens module can be reduced in size. The manufacturing process is simplified because no assembly process is required. The lens module of the present disclosure exhibits high transmittance for visible light and low transmittance for near-infrared, showing an excellent near-infrared cut-off effect. In addition, while the incident light irradiates the lens module at different angles, the transmittance curve only is slightly shifted.