Wuhan Tianma Micro-electronics Co., Ltd

Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

Xuejing Xiao

Zhenzhen Xie

Provided is a circuit board and an electronic device thereof. The circuit board includes: a substrate; an insulating ink layer disposed on the substrate; a component disposed on a side of the insulating ink layer facing away from the substrate, where the component is electrically connected to the substrate through a window opening area on the substrate; and an encapsulation layer disposed on a side of the component facing away from the substrate. The insulating ink layer includes a first hydrochromic material, and in a case where humidity exceeds a first humidity threshold, the first hydrochromic material changes from a first color to a second color.

Growing community of inventors

Wuhan, China

Xuejing Xiao