Patent ID: 11955092
Assignee: SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 20:
21. The method of claim 15, wherein a mobility parameter is calculated by an equation:, β
   =
   
    
     
      
       
        Vs
        ⁡
        (
        
         T
         ⁢
         2
        
        )
       
       -
       
        Vs
        ⁡
        (
        
         T
         ⁢
         1
        
        )
       
      
      
       
        T
        ⁢
        2
       
       -
       
        T
        ⁢
        1
       
      
     
     ·
     
      1
      
       
        (
        
         
          Vgs
          ⁡
          (
          
           T
           ⁢
           1
          
          )
         
         -
         Vth
        
        )
       
       2
      
     
     ·
     T
    
    ⁢
    1
   
  
  ,
 

where β represents the mobility parameter, T1 represents the first time point, T2 represents the second time point, Vs(T1) represents the first source voltage, Vs(T2) represents the second source voltage, Vgs(T1) represents a gate-source voltage of the driving transistor at the first time point, and Vth represents a threshold voltage of the driving transistor obtained by a previous sensing operation.