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US 9,176,269 B2Granted
Light source module and display module
AssigneeAu Optronics Corporation
InventorSuper Liao
Life of this patent
Estimating the term…
Abstract
A light source module including a light guide plate and a light source is provided. The light guide plate has a light incident surface and a light emitting region, and the light guide plate has a plurality of grooves or protruding patterns thereon. The length of the grooves or the protruding patterns is smaller than the length of the light guide plate. The light source is disposed on the light incident surface of the light guide plate, and the grooves or the protruding patterns of the light guide plate are disposed beside the light incident surface.
Claims16
A light source module, comprising:
- a light guide plate having an upper surface, a lower surface, a light incident surface, a light emitting region and a periphery region around the light emitting region, the light guide plate having a plurality of grooves disposed on at least one of the upper surface and the lower surface and extending in a direction from the light incident surface towards the light emitting region and crossing the periphery region into the light emitting region, wherein lengths of the grooves are smaller than a length of the light guide plate, and the lengths of extensions for the grooves which disposed on at least one of the upper surface and the lower surface are not all the same;
- and
- a light source disposed on the light incident surface of the light guide plate, and the grooves of the light guide plate are disposed beside the light incident surface, wherein any two adjacent grooves of the grooves on the same surface of the light guide plate are not connected to each other.
Dependencies are inferred from the claim text.