Backlight unit, display device therewith, and lighting systems therewith

摘要

Embodiments relate to a backlight unit, a display device therewith, and a lighting system therewith, the backlight unit including a first reflector and a second reflector, at least one light source disposed between the first reflector and the second reflector, an upper cover plate and a lower cover plate separate from each other, and a heat dissipation unit for holding the light source and being disposed between the upper cover plate and the lower cover plate to dissipate heat from the light source.