Patent ID: 9568660
Date: 2017-02-14
CPC Classifications: G02B

Claim:
1. A 3D display device, comprising: a display panel, comprising a plurality of sub-pixels, each of the plurality of sub-pixels comprising a first short-side width; a light-guiding plate disposed adjacent to the display panel, comprising a first flat surface, a second flat surface, a light input surface, and a plurality of light-guiding elements, wherein the first flat surface is disposed between the display panel and the second flat surface, the light input surface is connected between the first flat surface and the second flat surface, and the light-guiding elements are disposed at the first flat surface or the second flat surface; and a light-emitting unit disposed adjacent to the light input surface; wherein each of the plurality of light-guiding elements comprising a curve shape with at least one inflection point; wherein a shift range of the curve shape of the light-guiding element is greater than zero and less than or equal to one and a half times the first short-side width; and wherein light emitted from the light-guiding unit enters the light-guiding plate, the light is guided by the light-guiding plate and the light-guiding elements, and the light is outputted through the first flat surface in an alternating arrangement of at least one bright zone and at least one dark zone.