Patent ID: 8573811

Claim:
A backlight module, comprising: a light guide plate having a light incident surface; a back plate disposed on a bottom side of the light guide plate; a heat-conducting substrate disposed adjacent to the light incident surface, the heat-conducting substrate having a bottom portion and a side portion forming an angle with the bottom portion; a light-emitting element disposed on one side of the heat-conducting substrate facing the light guide plate, wherein the light-emitting element is an LED light bar; and at least one heat sink disposed in contact with the back plate, wherein the heat sink comprises one of a heat pipe, a heat column, and a heat spreader, the heat sink has at least one longitudinal body, the longitudinal body has a first end and a second end opposite the first end, the first end of the longitudinal body of the heat sink touches the heat-conducting substrate, and the second end of the longitudinal body of the heat sink does not touch the heat-conducting substrate and is not overlapped with the heat-conducting substrate.