3-dimensional image display

Abstract

A 3-dimensional image display includes a backlight source, a light deflecting lens array, and a display panel. The light deflecting lens array is disposed over the backlight source. The light deflecting lens array has a plurality of light deflecting units, each of the light deflecting units deflects a portion of the backlight source into a plurality of viewing zones in a time sequence. The display panel displays images by the same time sequence corresponding to the viewing zones. The backlight source passes through the display panel to provide the images respectively to the viewing zones.

1 . A light deflecting lens array, comprising:
 a substrate; and   a plurality of light deflecting units, formed as a light deflecting lens array, disposed on the substrate, wherein each of the light deflecting units deflects an incident light into a specific viewing zone.   
     
     
         2 . The light deflecting lens array of  claim 1 , wherein the light deflection units are lenticular lenses. 
     
     
         3 . The light deflecting lens array of  claim 1 , wherein the light deflection units, comprising:
 two electrode layers;   a transparent material prism; and   an anisotropic material prism, wherein the transparent material prism and the anisotropic material prism are sandwiched between the two electrode layer and form a slant interface, wherein an index of refraction of the anisotropic material prism is adjustable by applying a bias between the two electrode layers.   
     
     
         4 . The light deflecting lens array of  claim 3 , wherein the anisotropic material prism is a liquid crystal prism. 
     
     
         5 . The light deflecting lens array of  claim 3 , wherein a material of the transparent material prism is also anisotropic material. 
     
     
         6 . The light deflecting lens array of  claim 3 , wherein the index of refraction of the anisotropic material prism is adjusted in range and can be greater or less than an index of refraction of the transparent material prism. 
     
     
         7 . The light deflecting lens array of  claim 1 , wherein the substrate is a flexible substrate. 
     
     
         8 . The light deflecting lens array of  claim 1 , wherein the substrate is a rigid substrate. 
     
     
         9 . A 3-dimensional image display, comprising:
 a backlight source;   a light deflecting lens array, disposed over the backlight source, wherein the light deflecting lens array has a plurality of light deflecting units, each of the light deflecting units deflects a portion of the backlight source into a plurality of viewing zones in a time sequence;   a display panel, to display images by the same time sequence corresponding to the viewing zones, wherein the backlight source passes through the display panel to provide the images respectively to the viewing zones.   
     
     
         10 . The 3-dimensional image display of  claim 9 , wherein the light deflecting units of the light deflecting lens array are lenticular lenses, wherein the backlight source corresponding to each of the lenticular lenses are grouped into a plurality of light groups at different locations with respect to the lenticular lenses, the light groups are sequentially turned on according to the time sequence to emit light toward the viewing zones. 
     
     
         11 . The 3-dimensional image display of  claim 9 , wherein each of the light deflecting units of the light deflecting lens array comprises:
 two electrode layers;   a transparent material prism; and   an anisotropic material prism, wherein the transparent material prism and the anisotropic material prism are sandwiched between the two electrode layer and form a slant interface, wherein an index of refraction of the anisotropic material prism is adjustable by applying a bias between the two electrode layers to deflect the backlight source toward the viewing zones.   
     
     
         12 . The 3-dimensional image display of  claim 11 , wherein the anisotropic material prism is a liquid crystal prism. 
     
     
         13 . The 3-dimensional image display of  claim 11 , wherein a material of the transparent material prism is also anisotropic material. 
     
     
         14 . The 3-dimensional image display of  claim 11 , wherein the index of refraction of the anisotropic material prism is adjusted in range and can be greater or less than an index of refraction of the transparent material prism. 
     
     
         15 . The 3-dimensional image display of  claim 9 , wherein the backlight source provides a collimated light source to the light deflecting lens array, or the back light source is attached on the light deflecting units. 
     
     
         16 . The 3-dimensional image display of  claim 9 , wherein the display panel periodically and sequentially displays the images by the time sequence, wherein display periods of the viewing zones equally share a period of one image frame. 
     
     
         17 . The 3-dimensional image display of  claim 9 , wherein the display panel is flexible and bent as a round shape and multiple viewing locations are set. 
     
     
         18 . The 3-dimensional image display of  claim 9 , wherein the backlight source also comprises a uni-direction diffusion lens plate to condense the portion of the backlight source into a central region, respectively. 
     
     
         19 . A 3-dimensional image display, comprising:
 a display panel to display a sequence of images with actively emitting an image light, wherein the images are corresponding a plurality of viewing zones and sequentially displayed by a time sequence; and   a light deflecting lens array, disposed over the display panel, wherein the light deflecting lens array has a plurality of light deflecting units, the light deflecting units sequentially deflect the image light to the corresponding viewing zones by the same time sequence.   
     
     
         20 . The 3-dimensional image display of  claim 19 , wherein the light deflecting units of the light deflecting lens array are lenticular lenses. 
     
     
         21 . The 3-dimensional image display of  claim 19 , wherein each of the light deflecting units of the light deflecting lens array comprises:
 two electrode layers;   a transparent material prism; and   an anisotropic material prism, wherein the transparent material prism and the anisotropic material prism are sandwiched between the two electrode layer and form a slant interface, wherein an index of refraction of the anisotropic material prism is adjustable by applying a bias between the two electrode layers.   
     
     
         22 . The 3-dimensional image display of  claim 19 , wherein the display panel is flexible and bent as a round shape and multiple viewing locations are set.