Light guide plate, backlight and LCD device
View Patent ↗A light guide plate comprising an incidence surface, a lower surface, an upper surface and an opposite surface which is opposite to the incidence surface, wherein the length of the upper surface is less than the length of the lower surface, and an acute angle is formed between the opposite surface and the direction of elongation line of the upper surface.
1. A light guide plate comprising:
an incidence surface,
a lower surface,
an upper surface, and
an opposite surface which is opposite to the incidence surface,
wherein the length of the upper surface is less than the length of the lower surface, and an acute angle is formed between the opposite surface and the direction of elongation line of the upper surface.
2. The light guide plate according to claim 1 , wherein the opposite surface is a slope surface.
3. The light guide plate according to claim 1 , wherein the opposite surface is a cambered surface.
4. The light guide plate according to claim 1 , wherein the acute angle is of 45°.
5. The light guide plate according to claim 1 , wherein a first reflecting layer is provided on the opposite surface.
6. The light guide plate according to claim 5 , wherein a second reflecting layer is provided on the lower surface in the projection region of the opposite surface.
7. The light guide plate according to claim 6 , wherein the material of the first reflecting layer and/or the second reflecting layer is a reflecting tape.
8. The light guide plate according to claim 6 , wherein the first reflecting layer and/or the second reflecting layer is a sandblast-treated layer.
9. The light guide plate according to claim 6 , wherein the first reflecting layer and/or the second reflecting layer is light absorbable.
10. A backlight comprising a light guide plate according to claim 1 .
11. A liquid crystal display device comprising:
a liquid crystal panel; and
the light source according to claim 10 .