Backlight Module and Liquid Crystal Display Comprising the Same
AssigneeAu Optronics Corporation
InventorsWen-Yuan Cheng, Cheng-Chih Lai, Keng-Ju Liu
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Abstract
A backlight module and a liquid crystal display including the backlight module are provided. The backlight module includes a light source, a light guide plate and a prism sheet. The light source is disposed at a side of the light guide plate, while the prism sheet is disposed adjacent to the light emitting surface of the light guide plate. The prism sheet has a plurality of prism structures facing the light guide plate, wherein each of the prism structures substantially has a vertex angle of about 55 to 70 degrees. Thus, light emitted from the light guide plate can be adjustably concentrated along the direction perpendicular to the panel.
Claims25
A backlight module comprising:
- a light guide plate having a first surface, a second surface opposite to the first surface, and a side;
- a light source disposed adjacent to the side of the light guide plate;
- and
- a prism sheet disposed adjacent to the second surface of the light guide plate, the prism sheet having a plurality of prism structures facing the light guide plate, wherein each of the prism structures has a vertex angle of about 55 to 70 degrees.
A backlight module comprising:
- a light guide plate having a first surface, a second surface opposite to the first surface, and a side, wherein the first surface is formed with a plurality of fly-cut patterns;
- a light source disposed adjacent to the side of the light guide plate;
- and
- a prism sheet disposed adjacent to the second surface of the light guide plate, the prism sheet having a plurality of prism structures facing the light guide plate.
Dependencies are inferred from the claim text.