Patent ID: 11881168
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 2:
3. The display screen aging compensation method according to claim 2, wherein the obtaining the decay ratio of each primary color of the at least one display area based on the display data comprises:
obtaining, based on the display data, a corrected aging formula:, coef
   =
   
    exp
    ⁡
    (
    
     -
     
      
       (
       
        
         t
         τ
        
        ⁢
        
         
          (
          
           
            
             D
             ⁢
             B
             ⁢
             V
            
            
             D
             ⁢
              
             B
             ⁢
              
             V
             ⁢
             _max
            
           
           ⁢
           
            
             (
             
              
               L
               ⁢
               e
               ⁢
               v
              
              
               L
               ⁢
                
               e
               ⁢
                
               v
               ⁢
               _max
              
             
             )
            
            γ
           
          
          )
         
         k
        
       
       )
      
      β
     
    
    )
   
  
  ,
 

 wherein coef is the decay ratio of each primary color of the at least one display area, wherein y is a gamma value of the display screen, and wherein τ, k, and β are constants;
separately obtaining, based on an aging model of each primary color of the at least one display area, the constants τ, k, and β corresponding to each primary color; and
obtaining the decay ratio coef of each primary color of the at least one display area based on the constants τ, k, and β corresponding to each primary color and according to the corrected aging formula.