Patent ID: 9274262
Filing Date: 2016-03-01
CPC Classification: G02B

Claim Text:
1. A light guiding plate, comprising: a light guiding main body having a first surface, a second surface opposite to the first surface and a light inlet face connecting between the first and second surfaces; a first light guiding unit including a plurality of first light guiding structures and a plurality of second light guiding structures disposed on the first surface, wherein the pluralities of the first and second light guiding structures are parallel aligned, each of the second light guiding structures has a plurality of first light guiding bodies disposing separately and connecting to the adjacent first light structures respectively, and an arrangement density of the plurality of first light guiding bodies decreases toward the light inlet face; and a second light guiding unit including a plurality of third light guiding structures disposed on the second surface, wherein the plurality of the third light guiding structures is parallel arranged; wherein the third light guiding structures have two different heights and the two different heights are alternatively arranged.