A transfer film for forming a decorative layer on at least one surface of a film sensor has a coloring composition layer containing a black or white pigment, and the coloring composition layer satisfies inequality 1:
50>a×b>10 inequality 1
where a is the mass content ratio of the black or white pigment in the coloring composition layer, and b is the thickness of the coloring composition layer having a unit of μm.
一种用于在薄膜传感器的至少一个表面上形成装饰层的转印膜具有包含黑色或白色
颜料的着色成分层,且着色成分层满足不等式 1:
50>a×b>10 不等式 1
其中,a 是着色成分层中黑色或白色
颜料的质量含量比,b 是着色成分层的厚度,单位为 μm。