Patent ID: 11960098
Assignee: SHANDONG XINYUAN PHOTOELECTRIC TECHNOLOGY CO., LTD
Field: Optics (Instruments)
Classification: CPC G  F | IPC F  G

Claim 2:
3. The beam shaping method for planar light sources according to claim 2, wherein
along any section of the primary optical axis, the distance u′ between the primary imaging position and the second lens and the distance v′ between the second lens and a secondary imaging position satisfy the following formulas simultaneously:, 1
     
      f
      ′
     
    
    =
    
     
      1
      
       u
       ′
      
     
     +
     
      1
      
       v
       ′
      
     
    
   
   ;
  
  ⁢
  

  
   
    
     
      m
      ′
     
     m
    
    =
    
     
      v
      ′
     
     v
    
   
   ;
  
  ⁢
  

  
   
    
     m
     +
     
      2
      ×
      
       u
       ′
      
      ×
      
       tan
       ⁡
       (
       
        
         θ
         ′
        
        2
       
       )
      
     
    
    ≤
    D
   
   ;
  
  ⁢
  

  
   
    m
    >
    
     m
     ′
    
   
   ;
  
 

along any section of the primary optical axis, the size of the seamless light source is m, and the size of the reduced full image of the seamless light source at the secondary imaging position is m′; the full angle of the divergence angle of the seamless light source is θ′; and the diameter of the second lens is D′, and the focal length of the second lens is f′.