| 摘要 |
A backlight unit according to an embodiment of the present invention includes a PCB, a light source mounted on the PCB, a bottom cover which accommodates the PCB, a bracket arranged on the bottom surface of the bottom cover, a lens part which penetrates the hole of the PCB and the hole of the bottom cover, is arranged in the bracket, and is surrounded by the light source, and a control device which controls a distance between the bracket and the bottom cover. So, an uniform image can be implemented by controlling a light orientation angle. |
