A backlight structure, a liquid crystal display (LCD) panel and an electronic device. The backlight structure includes a backboard, a plurality of bonding units spaced apart on the backboard, a plurality of light sources fixed to the backboard by the plurality of bonding units, wherein an area of a projection of a contact surface between the light sources and the bonding units on the backplane is less than or equal to an area of a projection of the light sources on the backboard.