Stereoscopic display device and display method

Abstract

A stereoscopic display device of an embodiment includes a display device having pixels developing either one color of red, green and blue. A vertical period of pixel rows comprising the pixels arranged in one row in a lateral direction is three times a lateral period of the pixels, the pixels developing red, green and blue are alternately arranged in a lateral direction in the same row, the pixels in one row of two rows adjacent in a vertical direction are arranged such that lateral positions thereof are shifted to the pixels in the other row by ½ of the lateral period of the pixels, the pixels in rows adjacent in the same column through one row interposed therebetween are the pixels developing different colors of red, green and blue, and an average value of pitches of the elemental images is larger than a width of pieces of the pixels.

1 - 8 . (canceled) 
     
     
         9 . A stereoscopic display device comprising:
 a display device having pixels developing either one color of red, green and blue which are disposed within a display plane; and   a beam controlling element which is disposed at the front of the display device and has a plurality of apertures or a plurality of lenses having an optical opening portion extending linearly in vertical direction, controlling beam directions from the pixels to divide the display plane of the display device into elemental images corresponding to the respective apertures or lenses of the beam controlling element, wherein   a vertical period of pixel rows comprising the pixels arranged in one row in a lateral direction is three times a lateral period of the pixels,   the pixels developing red, green and blue are alternately arranged in a lateral direction in the same row,   the pixels in one row of two rows adjacent in a vertical direction are arranged such that lateral positions thereof are shifted to the pixels in the other row by ½ of the lateral period of the pixels,   the pixels in rows adjacent in the same column through one row interposed therebetween are the pixels developing different colors of red, green and blue, and   an average value of pitches of the elemental images is larger than a width of 18n (n=1, 2, 3 . . . ) pieces of the pixels, and a lateral pitch of the beam controlling element is equal to a width of 18n pieces of the pixels.   
     
     
         10 . A stereoscopic display device according to  claim 9 , wherein the total number of the elemental images is even number and the elemental images are arranged within the whole display plane of the display device symmetrically to left and right, and a boundary of the elemental images at a center position within the whole display plane in the lateral direction is set at the middle between pixel centers of two of the pixels closest to each other in an oblique direction of rows adjacent in a vertical direction. 
     
     
         11 . A stereoscopic display device according to  claim 9 , wherein only two pixels developing the same color are arranged so as to be continuously adjacent to each other in an oblique direction. 
     
     
         12 . A stereoscopic display device according to  claim 9 , further comprising:
 means for, by an effective pixel with a generally square shape comprising 6n×18n (n=1, 2, 3, . . . ) pixels arranged in a vertical direction and in a horizontal direction, applying the same parallax image information to 3n pixels arranged in a straight line in the same vertical direction as an extending direction of the opening portion of the beam controlling element and in the same position in a horizontal direction to display image signals as the total of 36n parallaxes at a stereoscopic image display time ; and   means for, by an effective pixel with a generally square shape comprising 3 pixels of red, green and blue arranged laterally, ignoring a lateral positional deviation by ⅙ an effective pixel width and regarding the effective pixel as a square arrangement to display image signals at a flat image display time where the beam controlling element has been detached or a function thereof has been invalidated.   
     
     
         13 . A stereoscopic display device according to  claim 9 , wherein, when the number of pixels in a vertical direction is not a multiple of  6  or when the number of the effective pixels in the vertical direction at a stereoscopic display time is not coincident with a standard such as VGA, XGA or the like, an excess pixel row portion is uniformly arranged at upper portion and a lower portion or is collectively arranged at an upper portion or a lower portion, a pattern figure serving as a guide for a stereoscopic view is displayed at the excess portion. 
     
     
         14 . A stereoscopic display device according to  claim 9 , wherein, when the number of pixels in the lateral direction is not a multiple of 18 or when the number of the effective pixels in the lateral direction at a stereoscopic display time is not coincident with a standard such as VGA, XGA or the like, an excess pixel column portion is uniformly arranged symmetrically to left and right so that a pattern figure serving as a guide for stereoscopic view or an images with burred images at end portions thereof is displayed on the excess portion. 
     
     
         15 . A stereoscopic display device according to  claim 9 , wherein pixels with the same color closest to each other in adjacent rows in the display device are driven in the same field by image signals with different polarities. 
     
     
         16 . A stereoscopic display device according to  claim 9 , wherein pixels closest to each other in the same column in the display device are driven in the same field by image signals with different polarities. 
     
     
         17 . A stereoscopic display device comprising:
 a display device having pixels developing either one color of red, green and blue which are disposed within a display plane;   a beam controlling element which is disposed at the front of the display device and has a plurality of apertures or a plurality of lenses having an optical opening portion extending linearly in vertical direction, controlling beam directions from the pixels to divide the display plane of the display device into elemental images corresponding to the respective apertures or lenses of the beam controlling element; and   a diffusion layer having a haze of 20 or more to 70 or less, which is arranged between a pixel plane of the display device and the beam controlling element, wherein   a vertical period of pixel rows comprising the pixels arranged in one row in a lateral direction is three times a lateral period of the pixels,   the pixels developing red, green and blue are alternately arranged in a lateral direction in the same row,   the pixels developing red, green and blue are alternately arranged in a vertical direction in the same column, and   a pitch of the elemental images is equal to a width of 9n (n=1, 2, 3 . . . ) pieces of the pixels, and a lateral pitch of the beam control element is smaller than the width of the 9n pieces of the pixels.   
     
     
         18 . A stereoscopic display device according to  claim 17 , wherein boundaries of all the elemental images are set at middles between two pixel centers of the pixels closest to each other in an oblique direction of rows adjacent in a vertical direction, and the total number of the elemental images are even number and the elements images are arranged symmetrically to left and right within the whole display plane. 
     
     
         19 . A stereoscopic display device according to  claim 17 , further comprising:
 means for, by an effective pixel with a generally square shape comprising 3n×9n (n=1, 2, 3, . . . ) pixels arranged in a vertical direction and in a horizontal direction, applying the same parallax image information to 3n pixels arranged in a straight line in the same vertical direction as an extending direction of the opening portion of the beam controlling element and in the same position in a horizontal direction to display image signals as the total of 9n parallaxes at a stereoscopic image display time; and   means for, by an effective pixel with a generally square shape comprising 3 pixels of red, green and blue arranged laterally, displaying image signals at a flat image display time where the beam controlling element has been detached or a function thereof has been invalidated.   
     
     
         20 . A stereoscopic display device according to  claim 17 , wherein, when the number of pixels in a vertical direction is not a multiple of 3 or when the number of the effective pixels in the vertical direction at a stereoscopic display time is not coincident with a standard such as VGA, XGA or the like, an excess pixel row portion is uniformly arranged at upper portion and a lower portion or is collectively arranged at an upper portion or a lower portion, a pattern figure serving as a guide for a stereoscopic view is displayed at the excess portion. 
     
     
         21 . A stereoscopic display device according to  claim 17 , wherein, when the number of pixels in the lateral direction is not a multiple of 9 or when the number of the effective pixels in the lateral direction at a stereoscopic display time is not coincident with a standard such as VGA, XGA or the like, an excess pixel column portion is uniformly arranged symmetrically to left and right so that a pattern figure serving as a guide for stereoscopic view or an images with burred images at end portions thereof is displayed on the excess portion. 
     
     
         22 . A stereoscopic display device according to  claim 17 , wherein pixels with the same color closest to each other in adjacent rows in the display device are driven in the same field by image signals with different polarities. 
     
     
         23 . A stereoscopic display device according to  claim 17 , wherein pixels closest to each other in the same column in the display device are driven in the same field by image signals with different polarities. 
     
     
         24 .- 31 . (canceled) 
     
     
         32 . A display method using a stereoscopic display device according to  claim 9 , the display method comprising:
 by an effective pixel with a generally square shape comprising 6n×18n (n=1, 2, 3, . . . ) pixels arranged in a vertical direction and in a horizontal direction, applying the same parallax image information to 3n pixels arranged in a straight line in the same vertical direction as an extending direction of the opening portion of the beam controlling element and in the same position in a horizontal direction to display image signals as the total of 36n parallaxes at a stereoscopic image display time, and   by an effective pixel with a generally square shape comprising 3 pixels of red, green and blue arranged laterally, ignoring a lateral positional deviation by ⅙ an effective pixel width and regarding the effective pixel as a square arrangement to display image signals at a flat image display time where the beam controlling element has been detached or a function thereof has been invalidated are performed.   
     
     
         33 . A display method using a stereoscopic display device according to  claim 17 , the display method comprising:
 by an effective pixel with a generally square shape comprising 3n×9n (n=1, 2, 3, . . . ) pixels arranged in a vertical direction and in a horizontal direction, applying the same parallax image information to 3n pixels arranged in a straight line in the same vertical direction as an extending direction of the opening portion of the beam controlling element and in the same position in a horizontal direction to display image signals as the total of 9n parallaxes at a stereoscopic image display time, and   by an effective pixel with a generally square shape comprising 3 pixels of red, green and blue arranged laterally, displaying image signals at a flat image display time where the beam controlling element has been detached or a function thereof has been invalidated are performed.   
     
     
         34 . (canceled)