国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09D（2）
IPC C09D007/65（2）
发明人
公开年 2023（2）
申请年
专利权人

Composition useful for preparing light-shielding film of smartphone camera module as spacer, washer and coating solution comprises carbon-based particles, thermosetting binder resins, dispersants, polymer beads and solvents.

PARK S C, YUN J H, KIM Y S, KIM Y, PIAO S

Low-reflectivity coating for optical lens, comprises component containing polyacrylic resin, carbon black/silica composite material loaded with special pigments, solvents, acrylic block copolymer, silicon polymer and polyamide wax, component containing polyisocyanate, dehydrating agent and solvents.

ZHU B