Patent ID: 11867902
Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  B  F | IPC B  F  G

Claim 10:
11. The head-up display according to claim 10 that satisfies following Equation, where size in an up-down direction of an eyebox is S(d2), a length in a longer direction of the display panel of the light guide panel is L, and a distance between light sources located at outermost positions is W, S
          ⁡
          
            (
            
              d
              ⁢
              
                
              
              ⁢
              2
            
            )
          
        
        <
        
          
            tan
            
              -
              1
            
          
          ⁢
          
            
              W
              
                1.5
                ×
                L
              
            
            .
          
        
      
    
    
      
        [
        
          Equation
          ⁢
          
            
          
          ⁢
          6
        
        ]