Patent ID: 11892765
Assignee: APPOTRONICS CORPORATION LIMITED
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 10:
11. The projection screen according to claim 9, wherein each of the plurality of first wire grid bodies further comprises a second surface, wherein a second angle is formed between the second surface and the first contact surface; and
the first angle is defined as θ1, and the second angle is defined as θ2, then a size p of each first wire grid body of the first wire grid structure and a thickness h of the first wire grid structure satisfy:, p
  =
  
    h
    *
    
      
        (
        
          
            1
            
              tan
              ⁢
              
                θ
                1
              
            
          
          +
          
            1
            
              tan
              ⁢
              
                θ
                2
              
            
          
        
        )
      
      .