Patent ID: 11971566
Assignee: SUMITOMO CHEMICAL COMPANY LIMITED
Field: Basic materials chemistry (Chemistry)
Classification: CPC G  H  B  C | IPC C  G  H

Claim 6:
7. The laminate according to claim 1, satisfying a formula (7):, nxA
        ⁡
        (
        450
        )
       
       -
       
        nyA
        ⁡
        (
        450
        )
       
      
      
       
        nxA
        ⁡
        (
        550
        )
       
       -
       
        nyA
        ⁡
        (
        550
        )
       
      
     
     <
     
      
       
        
         
          nxA
          ⁡
          (
          450
          )
         
         +
         
          nyA
          ⁡
          (
          450
          )
         
        
        2
       
       -
       
        nzA
        ⁡
        (
        450
        )
       
      
      
       
        
         
          nxA
          ⁡
          (
          550
          )
         
         +
         
          nyA
          ⁡
          (
          550
          )
         
        
        2
       
       -
       
        nzA
        ⁡
        (
        550
        )
       
      
     
     ≦
     
      
       
        
         
          nxC
          ⁡
          (
          450
          )
         
         +
         
          nyC
          ⁡
          (
          450
          )
         
        
        2
       
       -
       
        nzC
        ⁡
        (
        450
        )
       
      
      
       
        
         
          nxC
          ⁡
          (
          550
          )
         
         +
         
          nyC
          ⁡
          (
          550
          )
         
        
        2
       
       -
       
        nzC
        ⁡
        (
        550
        )
       
      
     
    
   
   
    
     (
     7
     )
    
   
  
 

wherein nxC(λ) represents a main refractive index at a wavelength of λ nm in a film surface of the vertically oriented liquid crystal cured film, nyC(λ) represents a refractive index at a wavelength of λ nm in a direction orthogonal to a direction of nxC in the same plane as nxC, nzC(λ) represents a refractive index at a wavelength of λ nm in a film thickness direction of the vertically oriented liquid crystal cured film, and nxA(λ), nyA(λ), and nzA(λ) are as above defined.