Multi-view display device

Abstract

A multi-view display device ( 100 ) is disclosed. The multi-view display device comprises: a structure of light-generating elements ( 10 ); a structure of optical means ( 15 ) for directing light being generated by the structure of light-generating elements ( 10 ) in a number of directions corresponding to respective views; and computing means ( 18 ) for computing luminance values for the respective light-generating elements on basis of an input signal ( 414 ), whereby for the computation of a particular luminance value ( 420 ) for a particular light-generating element ( 402 ), the computing means ( 18 ) is arranged to take into account a spatial displacement between a first location ( 412 ) of the particular light-generating element ( 402 ) and a second location ( 410 ) of the corresponding one of the optical means ( 408 ).

1 . A multi-view display device ( 100 ), comprising:
 a structure of light-generating elements ( 10 );   a structure of optical means ( 15 ) for directing light being generated by the structure of light-generating elements ( 10 ) in a number of directions corresponding to respective views; and   computing means ( 18 ) for computing luminance values for the respective light-generating elements on basis of an input signal ( 414 ), whereby for the computation of a particular luminance value ( 420 ) for a particular light-generating element ( 402 ), the computing means ( 18 ) is arranged to take into account a spatial displacement (S x,y ) between a first location ( 412 ) of the particular light-generating element ( 402 ) and a second location ( 410 ) of the corresponding one of the optical means ( 408 ).   
     
     
         2 . A multi-view display device ( 100 ) as claimed in  claim 1 , whereby the optical means are lenses. 
     
     
         3 . A multi-view display device ( 100 ) as claimed in  claim 1 , whereby the structure of light-generating elements ( 10 ) is based on any one of the set of display technologies comprising LCD, Plasma, CRT and organic LED. 
     
     
         4 . A multi-view display device ( 100 ) as claimed in  claim 1 , whereby the computing means ( 18 ) is arranged to apply a shift to the sample position in the input signal, the shift being proportional to the spatial displacement. 
     
     
         5 . A multi-view display device ( 100 ) as claimed in  claim 4 , whereby the computing means ( 18 ) is arranged to apply the shift to the sample position in the input signal, for the computation of a set of luminance values for respective light-generating elements being located on a single row of the structure of light-generating elements ( 10 ) and related to one of the views. 
     
     
         6 . A multi-view display device ( 100 ) as claimed in  claim 5 , whereby the computing means ( 18 ) is arranged to apply a further shift to further sample positions in the input signal, for the computation of a further set of luminance values for further respective light-generating elements being located on a further row of the structure of light-generating elements ( 10 ). 
     
     
         7 . A multi-view display device ( 100 ) as claimed in  claim 1 , whereby the computing means ( 18 ) is provided with a control signal representing shifts to be applied to the sample positions in the input signal, the shifts being proportional to respective spatial displacements between first locations of the light-generating elements and second locations of the respective corresponding optical means. 
     
     
         8 . A multi-view display device ( 100 ) as claimed in  claim 7 , whereby the control signal is based on a measurement of light being generated by the multi-view display device ( 100 ). 
     
     
         9 . A method of computing luminance values for respective light-generating elements of a multi-view display device ( 100 ) which comprises:
 a structure of the light-generating elements; and   a structure of optical means ( 15 ) for directing light being generated by the structure of light-generating elements ( 10 ) in a number of directions corresponding to respective views;   
       whereby for the computation of a particular luminance value for a particular light-generating element on basis of an input signal, a spatial displacement between a first location of the particular light-generating element and a second location of the corresponding one of the optical means is taken into account. 
     
     
         10 . An image processing apparatus for computing luminance values for respective light-generating elements of a multi-view display device ( 100 ) which comprises:
 a structure of the light-generating elements; and   a structure of optical means for directing light being generated by the structure of light-generating elements ( 10 ) in a number of directions corresponding to respective views, the image processing apparatus comprising:   input means for receiving an input signal; and   computing means ( 18 ) for computing the luminance values for the respective light-generating elements on basis of the input signal, whereby for the computation of a particular luminance value for a particular light-generating element, the computing means ( 18 ) is arranged to take into account a spatial displacement between a first location of the particular light-generating element and a second location of the corresponding one of the optical means.