Patent ID: 11908377
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 11:
12. A repair pixel comprising:
a first transistor including a control electrode connected to a first node, an input electrode connected to a second node, and an output electrode connected to a third node;
a second transistor including a control electrode configured to receive a write gate signal, an input electrode configured to receive a data voltage, and an output electrode connected to the first node;
a third transistor including a control electrode configured to receive a reference gate signal, an input electrode configured to receive a reference voltage, and an output electrode connected to the first node;
a fourth transistor including a control electrode configured to receive an initialization gate signal, an input electrode configured to receive an initialization voltage, and an output electrode connected to the third node;
a fifth transistor including a control electrode configured to receive an emission signal, an input electrode configured to receive a first power voltage, and an output electrode connected to the second node;
a sixth transistor including a control electrode configured to receive the emission signal, an input electrode connected to the third node and an output electrode connected to a repair line;
a storage capacitor including a first electrode connected to the first node and a second electrode connected to the third node; and
a hold capacitor including a first electrode configured to receive the first power voltage and a second electrode connected to the third node,
wherein when the reference voltage is VREF, the data voltage is VDATA, a capacitance of the storage capacitor is CST, a capacitance of the hold capacitor is CHOLD, a mobility of the first transistor is μ, a capacitance per a unit area of the first transistor is Cox, a width to length ratio of the first transistor is W/L, and a source-drain current of the first transistor in the fifth duration is IDS,, IDS
  =
  
   
    1
    2
   
   ⁢
   uCox
   ⁢
   
    W
    L
   
   ⁢
   
    
     (
     
      
       CHOLD
       
        CST
        +
        CHOLD
       
      
      ⁢
      
       (
       
        VDATA
        -
        VREF
       
       )
      
     
     )
    
    2
   
  
 

is satisfied.