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1. (WO2018121290) INFRARED CUT-OFF FILTER AND FABRICATION METHOD THEREFOR

Pub. No.:    WO/2018/121290    International Application No.:    PCT/CN2017/116530
Publication Date: Fri Jul 06 01:59:59 CEST 2018 International Filing Date: Sat Dec 16 00:59:59 CET 2017
IPC: G02B 5/22
Applicants: XINYANG SUNNY OPTICS CO., LTD.
信阳舜宇光学有限公司
Inventors: WANG, Lei
王磊
DING, Weihong
丁维红
DU, Rui
杜瑞
Title: INFRARED CUT-OFF FILTER AND FABRICATION METHOD THEREFOR
Abstract:
Disclosed is an infrared cut-off filter comprising a substrate (1) formed of white glass (101) and an infrared cut-off film layer (102) plated onto a face of the white glass (101), a spin-coating layer (2) plated onto the other face of the white glass (101) and an anti-reflection film layer (3) plated onto the spin-coating layer (2), with the spin-coating layer (2) comprising an absorption layer (202) and a base layer (201) made of an organic substance. The infrared cut-off filter has a stable structure, has a high degree of firmness between the film layers, and is low in cost.