A display device including a display panel displaying an image; a light source unit supplying light to the display panel, and a light guiding unit including a light guiding section which has a light receiving surface positioned adjacent to the light source unit and a light emitting surface positioned opposite to the display panel and which guides light emitted from the light source unit to the display panel, a side wall section forming a reception space for receiving the display panel along the edges of the light guiding section, and a fixing section fixing the light guiding section to the display device.
1. A display device comprising:
a display panel displaying an image;
a light source unit mounted on a printed circuit board and supplying light to the display panel; and
a light guiding unit including a light guiding section comprising:
a light receiving surface positioned adjacent to the light source unit,
a light emitting surface positioned facing the display panel and which guides light emitted from the light source unit to the display panel,
a side wall section defining a space for receiving the display panel, and
a fixing member fixing the light guiding unit to the printed circuit board.
2. The display device of claim 1 , wherein the light guiding unit further comprises:
a light leakage preventing groove formed along at least one edge portion of the light emitting surface.
3. The display device of claim 1 , wherein the light guiding unit further comprises:
a reception groove provided in the light receiving surface that receives at least a part of the light source unit.
4. The display device of claim 1 , wherein a pattern is formed on a portion of the light emitting surface facing the display panel.
5. The display device of claim 1 , further comprising:
an optical sheet group received in the space formed by the side wall section,
wherein a light shielding film is provided along the edge portions of the light guiding unit and the optical sheet group.
6. The display device of claim 1 , wherein a reflecting film is provided on a side surface other than the light emitting surface of the light guiding section from among the side surfaces of the light guiding unit.
7. The display device of claim 1 ,
wherein the printed circuit board transmits a driving signal to the display panel.
8. The display device of claim 7 , wherein the printed circuit board comprises:
a fastener groove,
wherein the fixing member of the light guiding unit is fastened.
9. The display device of claim 8 , further comprising:
a reflecting plate provided on the light guiding unit.
10. The display device of claim 7 , wherein the light source unit is provided directly on the printed circuit board.
11. The display device of claim 10 , further comprising:
a reflecting film surrounding the light source unit.
12. The display device of claim 11 , wherein the reflecting film is formed by a silk screen coating.
13. The display device of claim 11 , wherein the reflecting film comprises silver paste.
14. The display device of claim 1 , wherein the light source unit comprises a light emitting diode.
15. The display device of claim 1 , wherein the fixing member is inserted into a fastener hole of the printed circuit board.
16. The display device of claim 15 , wherein the fixing member has a pillar shape.