The disclosure provides a
display device, a backlight unit and an installment framework hereof, including a
light guide plate, a light bar and an installment framework, wherein, the light bar is disposed beside the
light guide plate; an installment framework is used to assemble the light bar via side inserting and used to clamp the sides of the
light guide plate, an
isolator is disposed upon the installment framework, wherein, the
isolator is used in achieving isolating between the light guide plate and the light bar when light is permitted to pass through. Structures of the
display device, backlight unit and installment framework provided in the present disclosure is easy to understand and catch and reliable; furthermore, with disposing an
isolator, the light guide plate and the light bar can be isolated well to insure the light bar of un-easy to be damaged and easy to be installed and changed.