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US 7,604,387 B2Granted
Backlight module
AssigneeAu Optronics Corporation
InventorPang-Hsuan Liu
Life of this patent
Estimating the term…
Abstract
A backlight module has a light guide plate and a light source. The light guide plate contains a top plane, a bottom plane opposite to the top plane, a light entrance plane positioned between the top plane and the bottom plane, and a widened edge plane opposite to the light entrance plane. The widened edge plane is slanted relative to the light entrance plane.
Claims15
A backlight module, comprising:
- a light guide plate comprising a top plane, a bottom plane, a light entrance plane positioned between the top plane and the bottom plane, and a widened edge plane opposite to the light entrance plane, the widened edge plane being positioned between the top plane and the bottom plane, the bottom plane being not parallel to the top plane and slanted relative to the top plane, and an area of the widened edge plane being larger than an area of the light entrance plane, wherein an entire inner surface of the bottom plane completely tilts toward the top plane;
- and
- a light source positioned near and facing the light entrance plane so that light produced by the light source enters the light guide plate through the light entrance plane.
Dependencies are inferred from the claim text.