国家/地区 中国（3）
IPC部 C（3）
IPC大类 C09（3）
IPC小类 C09D（3）
IPC G09F009/33（2）
发明人
公开年 2021（3）
申请年 2021（3）
专利权人

Preparing graphene-titanium dioxide composite photocatalyst useful in air purifying coating comprises e.g. oxidizing and hydroxylating graphene to obtain product, performing amino modification and vinyl modification to product, and mixing product with nitrogen doped titanium dioxide.

REN N, PENG C

Light emitting diode nano-black coating comprises resin coating and nano-black particles dispersed in resin coating.

HUANG Y

Photo-resist welding ink useful for light-emitting diode display printed circuit board boards, comprises oligomer, photoinitiator, nano black filler, flatting agent, coupling agent and solvent, epoxy resin and functional monomer.

LI X, XU X, XIA J, GAN Z, WU L