Patent ID: 8636381

Claim:
A flexible light source module, comprising: a flexible substrate; a flexible light guide film disposed on a plurality of point light sources and comprising a plurality of light-guiding portions, wherein each of the light-guiding portions comprises: a light incident surface comprising a plurality of light incident sub-surfaces, wherein among the light incident sub-surfaces, the one closest to the geometric center of the light-guiding portion is a first light incident sub-surface; and a light emitting surface opposite to the light incident surface and comprising a plurality of light emitting sub-surfaces, wherein among the light emitting sub-surfaces, the one closest to the geometric center of the light-guiding portion is a first light emitting sub-surface, and the absolute values of the tangent slopes of the first light emitting sub-surface are ascending with approaching the geometric center; and the point light sources disposed at the flexible substrate, wherein light beams emitted from the point light sources exit out of the flexible light source module via the flexible light guide film, wherein the light incident surface comprises the first light incident sub-surface and a second light incident sub-surface, and the average curvature radius of the first light incident sub-surface is greater than the average curvature radius of the second light incident sub-surface.