3 dimensional image display device

Abstract

A 3D image display device includes a display device including a plurality of pixels and displaying each of a left-eye image and a right-eye image. The display device inserts an insertion image between the left-eye image and the right-eye image such that the left-eye image is displayed for part of four frames and the insertion image is displayed for the remaining frames and the right-eye image is displayed for part of four other frames and the insertion image is displayed for the remaining other frames.

1 . A 3D image display device, comprising:
 a display device including a plurality of pixels and displaying each of a left-eye image and a right-eye image,   wherein the display device inserts an insertion image between the left-eye image and the right-eye image such that the left-eye image is displayed for part of four frames and the insertion image is displayed for the remaining frames and the right-eye image is displayed for part of four other frames and the insertion image is displayed for the remaining other frames.   
     
     
         2 . The device of  claim 1 , further comprising glasses including a left lens and a right lens which are alternately turned on and off, wherein the left lens is in an on state while the left-eye image is displayed and a right lens is in the on state while the right-eye image is displayed. 
     
     
         3 . The device of  claim 1 , wherein the left-eye image or the right-eye image is displayed for one frame and the insertion image is displayed for three frames. 
     
     
         4 . The device of  claim 1 , the left-eye image or the right-eye image is displayed for two frames and the insertion image is displayed for two frames. 
     
     
         5 . The device of  claim 1 , wherein the left-eye image or the right-eye image is displayed for three frames and the insertion image is displayed for one frame. 
     
     
         6 . The device of  claim 2 , wherein both the right lens and the left lens are in an off state while the left-eye image and the right-eye image are overlapped with each other in the display device. 
     
     
         7 . The device of  claim 1 , wherein data representing an additional luminance is additionally applied to least one of the left-eye image, the right-eye image, and the insertion image to display an image. 
     
     
         8 . The device of  claim 7 , wherein:
 in any one of the four frames in which the left-eye image and the insertion image are displayed and the four frames in which the right-eye image and the insertion image are displayed,   the data representing the additional luminance is applied to only one image of the first to third frames among the four frames to be displayed.   
     
     
         9 . The device of  claim 7 , wherein:
 in any one of the four frames in which the left-eye image and the insertion image are displayed and the four frames in which the right-eye image and the insertion image are displayed,   the data representing the additional luminance is applied to both the images of the first and second frames among the four frames to be displayed.   
     
     
         10 . The device of  claim 9 , wherein the data representing the additional luminance applied to the image of the first frame and the data representing the additional luminance applied to the image of the second frame have different intensities from each other. 
     
     
         11 . The device of  claim 9 , wherein the data representing the additional luminance applied to the image of the first frame and the data representing the additional luminance applied to the image of the second frame have the same intensity as each other. 
     
     
         12 . The device of  claim 7 , further comprising a 3D image processor adding the data representing the additional luminance to image data for application to a frame. 
     
     
         13 . The device of  claim 12 , wherein the 3D image processor comprises:
 a gamma converter generating gamma-converted data from image data;   a luminance improver improving the luminance of the gamma-converted data; and   a reverse gamma converter reverse gamma converting the data having the improved luminance.   
     
     
         14 . The device of  claim 13 , wherein the gamma converter generates output data having a bit number higher than the data input thereto, and wherein the output data is generated by a lookup table. 
     
     
         15 . The device of  claim 13 ,
 wherein the 3D image processor further includes a luminance improvement rate provider,   wherein the luminance improver includes a luminance improvement data generator and a frame memory,   wherein the luminance improvement data generator generates data having improved luminance depending on a luminance improvement rate provided from the luminance improvement rate provider, and   wherein the frame memory stores the data generated by the luminance improvement data generator.   
     
     
         16 . The device of  claim 15 , wherein:
 the luminance improvement data generator generates data corresponding to total four frames through Equation 2 if a result of Equation 1 is true, and   generates data corresponding to total four frames through Equation 3 if the result is false.
     L *( MBTR+ 1)<Max  L  10 12   [Equation 1]
 
     LN<=L *( MBTR+ 1) 
     LN+ 1 <=L *( MBTR+ 1) 
     LN+ 2<=0  [Equation 2]
 
     LN <=MAX  L    
     LN+ 1<=MAX  L    
     LN+ 2 <={L *( MBTR+ 1)−MAX  L}* 2  [Equation 3]
 
   wherein L represents the luminance data inputted into the luminance improvement data generator, MBTR represents a max boost up threshold rate, Max L(10 12 ) represents a maximum displayable luminance, and LN, LN+1, and LN+2 represent luminance data of an N frame, luminance data of an N+1 frame, and luminance data of an N+2 frame, respectively.   
     
     
         17 . The device of  claim 13 , wherein the reverse gamma converter generates output data having a bit number less than the data input thereto. 
     
     
         18 . The device of  claim 13 , wherein the 3D image processor further includes a balance rate provider, and
 wherein the balance rate provider provides a rate for determining which of two frames data representing an additional luminance is to be more greatly added to when additional luminances are to be applied to the images of both first frame and second frames.   
     
     
         19 . The device of  claim 18 , wherein the balance rate is applied to the luminance improver and considered when data corresponding to a total four frames are generated in the luminance improver. 
     
     
         20 . A 3D image display device, comprising:
 a display device including a plurality of pixels,   wherein the display device is configured to display a left-eye image for between one to three frames of four consecutive first frames followed by an all black image for the remaining first frames, and   wherein the display device is configured to display a right-eye image for between one to three frames of four consecutive second frames followed by the same all black image for the remaining second frames.