国家/地区 中国（3）
IPC部 B（3） C（3）
IPC大类 B32（3）
IPC小类 B32B（3）
IPC C09D011/03（3）
发明人
公开年 2021（3）
申请年 2021（2） 
专利权人

Keyboard backlight module has main portion comprising light-shielding film, light guide film, light-reflecting film and forwarding packaging engine laminated in sequence, where light-shielding film, light-reflecting film and/or forwarding packaging engine are provided with thermally conductive layer.

DING J, FENG J, DING M

Water-based intelligent far-infrared functional ink used in heating film composite material, includes water-based positive temperature coefficient functional material emulsion, thermally conductive filler, and auxiliary agent.

CHEN S, LI R, ZHANG H, SUN Y, WANG B, LING H, CHANG G, WANG Y

Flexible metal-based graphene electric heating material, comprises flexible insulating layer, flexible graphene resistance layer, flexible insulating layer, and metal substrate arranged sequentially from top to bottom.

LI Y, LOU M