Backlight module with light guide plate having optically separated light guide body
AssigneeAu Optronics Corporation
InventorsWei-Tien Chang, Kuang-Tao Sung
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Abstract
The light guide plate includes a light guide plate body and a first medium, wherein the refractive index of the light guide plate body is greater than the refractive index of the first medium. The light guide plate body includes a plurality of gaps parallel with each other, wherein the first medium is disposed in those gaps. The light guide plate body further includes a light entrance end, wherein the gaps extend in directions both away and toward the light entrance end. Furthermore, an active region is defined on the light guide plate body and the gaps are located in the active region.
Claims27
A light guide plate, comprising:
- a light guide plate body, including a continuous light entrance end and a plurality of gaps extending perpendicular to the light entrance end and substantially parallel to one another, opposite ends of each gap defined at a distance from a corresponding edge of the light guide plate body along an extending direction of the gaps;
- and
- a plurality of first mediums disposed in the gaps, wherein a refractive index of the light guide plate body is greater than a refractive index of the first medium;
- a thickness of the first mediums increases along an extending direction of the first medium toward the light entrance end.
A light guide plate, comprising:
- a top;
- a bottom;
- a plurality of light guide blocks arranged side by side and substantially parallel to each other, wherein adjacent light guide blocks are at least partially connected, each of the light guide blocks includes a light entrance end;
- and
- a plurality of first mediums disposed between the adjacent light guide blocks, wherein a refractive index of the light guide block is greater than a refractive index of the first medium, a thickness of the first medium near the top is greater than the thickness of the first medium near the bottom.
Dependencies are inferred from the claim text.