Patent ID: 11909949
Assignee: BOE TECHNOLOGY GROUP CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 3:
4. The display panel according to claim 3, wherein
in the sub-pixel unit array, a spatial projection of views formed by secondary sub-pixels arranged at same positions has a width ay along the first direction in a cross section at the optimal viewing distance for the display panel during the parallax 3D display, which satisfies:, a
     y
    
    =
    
     
      Lt
      y
     
     f
    
   
   ;
   
    
     and
     ⁢
        
     
      a
      y
     
    
    ≤
    
     
      e
      ‵
     
     ⁢
       
     
      Na
      y
     
    
    ≥
    e
   
  
  ,
 

where L is the optimal viewing distance for the display panel during the parallax 3D display; ty is a width of the secondary sub-pixel along the first direction; f is the focal length of the cylindrical lens; N is the number of secondary sub-pixels in the sub-pixel unit; e is the pupil distance of the human eyes;
in the sub-pixel unit array, a spatial projection of views formed by adjacent secondary sub-pixels has a pitch by along the first direction in a cross section at a closest viewing distance for the display panel during the parallax 3D display, which satisfies:, b
    y
   
   =
   
    
     
      w
      y
     
     ⁢
     
      a
      y
     
    
    
     
      w
      y
     
     +
     
      a
      y
     
    
   
  
  ;
  
   
    and
    ⁢
       
    
     (
     
      N
      -
      1
     
     )
    
    ⁢
    
     b
     y
    
   
   ≥
   e
  
  ;
 

where Wy is a length of the display substrate along the first direction; and
in the sub-pixel unit array, the spatial projection of views formed by adjacent secondary sub-pixels has a pitch cy along the first direction in a cross section at a farthest viewing distance for the display panel during the parallax 3D display, which satisfies:, c
    y
   
   =
   
    
     
      w
      y
     
     ⁢
     
      a
      y
     
    
    
     
      w
      y
     
     -
     
      a
      y
     
    
   
  
  ;
  
   
    and
    ⁢
       
    
     c
     y
    
   
   ≤
   
    e
    .