Stereoscopic image display device

Abstract

A stereoscopic image display device, including a display unit comprising a plurality of pixel units, wherein at least one of the pixel units has a short side extended in a first direction and a long side extended in a second direction different from the first direction, and an image conversion unit comprising a lenticular lens overlapped with at least two of the pixel units arranged in the first direction, wherein the lenticular lens is extended in the second direction and a first prism corresponding to the lenticular lens is arranged in the second direction.

1 . A stereoscopic image display device, comprising:
 a display unit comprising a plurality of pixel units, wherein at least one of the pixel units has a short side extended in a first direction and a long side extended in a second direction different from the first direction; and   an image conversion unit comprising a lenticular lens overlapped with at least two of the pixel units arranged in the first direction, wherein the lenticular lens is extended in the second direction and a first prism corresponding to the lenticular lens is arranged in the second direction.   
     
     
         2 . The stereoscopic image display device of  claim 1 , further comprising a plurality of the first prisms arranged in the second direction, wherein each of the first prisms comprises a first right-angle triangle shape having an edge slanted from a first terminal portion of the lenticular lens toward a second terminal portion of the lenticular lens in the first direction. 
     
     
         3 . The stereoscopic image display device of  claim 2 , wherein the length of at least one of the first prisms in the first direction is substantially equal to a distance between the first terminal portion of the lenticular lens and the second terminal portion of the lenticular lens. 
     
     
         4 . The stereoscopic image display device of  claim 2 , wherein, the length of at least one of the first prisms in the second direction is substantially half the length of the long side of the at least one pixel unit. 
     
     
         5 . The stereoscopic image display device of  claim 2 , wherein the first prisms do not overlap with second prisms of a lenticular lens adjacent to the lenticular lens in the first direction. 
     
     
         6 . The stereoscopic image display device of  claim 2 , wherein the image conversion unit further comprises a plurality of second prisms disposed adjacent to each of the first prisms, wherein at least one of the second prisms has a height different from the height of at least one of the first prisms at the first terminal portion of the lenticular lens, and wherein the height of the at least one second prism is gradually lower from the first terminal portion of the lenticular lens toward the second terminal portion of the lenticular lens. 
     
     
         7 . The stereoscopic image display device of  claim 6 , wherein the length of each of the first and second prisms is substantially one-third the length of the long side of the at least one pixel unit in the second direction. 
     
     
         8 . The stereoscopic image display device of  claim 6 , wherein each of the second prisms is disposed between a pair of the first prisms in the second direction and contacts a first prism of the pair of first prisms and is spaced apart from the other first prism of the pair of first prisms. 
     
     
         9 . The stereoscopic image display device of  claim 2 , wherein each of the first prisms comprises a second right-angle triangle shape disposed along the second direction at the first terminal portion of the lenticular lens, and the first prisms are sequentially repeated along the second direction. 
     
     
         10 . The stereoscopic image display device of  claim 1 , further comprising a plurality of the first prisms arranged in the second direction, wherein each of the first prisms comprises a first right-angle triangle shape having an edge slanted from a first terminal portion of the lenticular lens toward a center portion of the lenticular lens or an edge slanted from the center portion of the lenticular lens toward a second terminal portion of the lenticular lens, wherein the center portion of the lenticular lens is between the first terminal portion of the lenticular lens and the second terminal portion of the lenticular lens opposite the first terminal portion of lenticular lens. 
     
     
         11 . The stereoscopic image display device of  claim 10 , wherein the length of each of the first prisms is substantially half a distance between the first and second terminal portions of the lenticular lens in the first direction. 
     
     
         12 . The stereoscopic image display device of  claim 10 , wherein the first prisms arranged in the second direction adjacent to the first terminal portion of the lenticular lens do not overlap with a plurality of the first prisms arranged in the second direction adjacent to the second terminal portion of the lenticular lens. 
     
     
         13 . The stereoscopic image display device of  claim 12 , wherein the length of each of the first prisms in the second direction is three times the length of the long side of the at least one pixel unit. 
     
     
         14 . The stereoscopic image display device of  claim 12 , wherein the length of each of the first prisms in the second direction is the same as the length of the long side of the at least one pixel unit. 
     
     
         15 . The stereoscopic image display device of  claim 10 , wherein the image conversion unit further comprises:
 a plurality of second prisms disposed in the second direction next to the first prisms, the second prisms having a height different from the height of the first prisms at the first terminal portion of the lenticular lens, wherein the height of the second prisms is gradually lower from the first terminal portion of the lenticular lens toward the center portion of the lenticular lens;   a plurality of third prisms disposed in the first direction opposite the second prisms, the third prisms having a height at the second terminal portion of the lenticular lens that is the same as the height of the second prisms at the first terminal portion of the lenticular lens, wherein the height of the third prisms is gradually lower from the second terminal portion of the lenticular lens toward the center portion of the lenticular lens; and   a plurality of fourth prisms disposed in the second direction next to the third prisms, the fourth prisms having a height at the second terminal portion of the lenticular lens that is the same as the height of the first prisms at the first terminal portion of the lenticular lens, wherein the height of the fourth prisms is gradually lower from the second terminal portion of the lenticular lens toward the center portion lenticular lens.   
     
     
         16 . The stereoscopic image display device of  claim 15 , wherein the length of each of the first, second, third and fourth prisms in the second direction is substantially twice the length of the long side of the at least one pixel unit. 
     
     
         17 . The stereoscopic image display device of  claim 10 , wherein each of the first prisms comprises a height that is gradually lower from the first terminal portion of the lenticular lens toward the second direction and a second right-angle triangle shape disposed along the second direction at the first terminal portion of the lenticular lens, and the first prisms are sequentially repeated along the second direction. 
     
     
         18 . The stereoscopic image display device of  claim 17 , wherein the image conversion unit further comprises a plurality of second prisms having a height that is gradually higher from the second terminal portion of the lenticular lens toward the second direction and a third right-angle triangle shape disposed along the second direction at the second terminal portion of the lenticular lens, and the second prisms are sequentially repeated along the second direction. 
     
     
         19 . The stereoscopic image display device of  claim 18 , wherein the length of each of the first and second prisms in the second direction is six times the length of the long side of the at least one pixel unit. 
     
     
         20 . The stereoscopic image display device of  claim 1 , wherein the first prism is disposed below the lenticular lens.