Portable display device
View Patent ↗A portable display device includes a display panel, a light source supplying light to the display panel, a mold frame supporting the display panel and surrounding at least two sides of the light source, and a relief unit between the mold frame and the light source.
1. A portable display device, comprising:
a display panel;
a light source supplying light to the display panel;
a mold frame supporting the display panel and surrounding at least two sides of the light source; and
a relief unit between the mold frame and the light source, wherein the relief structure has a surface area larger than a surface area of the mold frame facing the light source.
2. The portable display device as claimed in claim 1 , wherein the relief unit is in an inner side of the mold frame.
3. The portable display device as claimed in claim 1 , wherein the relief unit includes at least one projection extending from the mold frame toward the light source.
4. The portable display device as claimed in claim 3 , wherein the relief unit includes a plurality of rectangular ridges.
5. The portable display device as claimed in claim 1 , wherein the relief unit includes a plurality of triangular ridges.
6. The portable display device as claimed in claim 1 , wherein the relief unit includes a plurality of longitudinal ridges having rounded edges.
7. The portable display device as claimed in claim 6 , wherein the rounded edges are semi-circles directly across from the light source.
8. The portable display device as claimed in claim 1 , wherein the relief structure includes a plurality of asymmetrical shapes.
9. The portable display device as claimed in claim 1 , further comprising a light guide plate adjacent to one side of the light source.
10. The portable display device as claimed in claim 9 , wherein the light guide plate is at least as thick as the light source.
11. The portable display device as claimed in claim 9 , wherein the mold frame surrounds all sides of the light source not adjacent to the light guide plate.
12. The portable display device as claimed in claim 11 , wherein the relief structure is on each side of the mold frame surrounding the light source.
13. The portable display device as claimed in claim 1 , wherein the relief structure is spaced apart from the light source.
14. The portable display device as claimed in claim 1 , wherein the light source is a light-emitting diode.
15. The portable display device as claimed in claim 1 , wherein the display panel is a liquid crystal display.
16. The portable display device as claimed in claim 1 , wherein the mold frame is facing the light source.