Light guide plate, surface light source having same, and related display device
AssigneeHon Hai Precision Industry Co., Ltd.
InventorMing-Yi Liao
Life of this patent
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Abstract
A light guide plate (100) includes a light incident surface (110), two opposite light emitting surfaces (120) each adjoining to the light incident surface, a plurality of first tapered structures (132), and a plurality of second tapered structure (134). The first and second tapered structures are provided on the light incident surface and are tapered in opposite directions. The present LCD lighting system also provides a surface light source (800) and a display device (900) using the light guide plate.
Claims16
A light guide plate having a block body, comprising:
- a light incident surface;
- two opposite light emitting surfaces, each adjoining the light incident surface;
- a plurality of first tapered structures provided on the light incident surface;
- and
- a plurality of second tapered structures provided on the light incident surface, the second tapered structures being tapered in an opposite direction relative to the first tapered structures.
A surface light source comprising:
- a light guide plate comprising:
- a light incident surface;
- two opposite light emitting surfaces, each adjoining the light incident surface;
- a plurality of first tapered structures provided on the light incident surface;
- and
- a plurality of second tapered structures provided on the light incident surface, the second tapered structures being tapered in an opposite direction relative to the first tapered structures;
- and
- a plurality of light sources disposed adjacent the light incident surface of the light guide plate.
A display device comprising:
- a light guide plate comprising:
- a light incident surface;
- two opposite light emitting surfaces adjoining the light incident surface;
- a plurality of first tapered structures provided on the light incident surface;
- and
- a plurality of second tapered structures provided on the light incident surface, the second tapered structures being tapered in an opposite direction relative to the first tapered structures;
- a plurality of light sources adjacent the light incident surface;
- a main panel;
- and
- a sub panel, the main panel and the sub panel being mounted adjacent respective light emitting surfaces.
Dependencies are inferred from the claim text.