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

Claim 11:
12. The electronic device according to claim 11, wherein the display data further comprises a maximum brightness value DBV_max that is of the respective display areas and that is obtained before the display data is obtained and wherein the display data further comprises an average brightness value DBV of the respective display areas within the usage time t; and
wherein the obtaining a decay ratio of each primary color of the display area based on the display data specifically 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 respective display areas, 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 respective display areas, the constants τ, k, and β corresponding to each primary color; and
obtaining the decay ratio coef of each primary color of the respective display areas based on the constants τ, k, and β corresponding to each primary color and according to the corrected aging formula.