A pixel circuit, a driving method, an organic light-emitting display panel, and a display device
A technology of a pixel circuit and a driving method, which is applied in the field of organic light-emitting display panels and display devices, can solve the problems of uneven display brightness, cannot be completely restored to normal, abnormal display, etc., and achieves the effect of uniform display brightness and improved display effect.
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Embodiment 1
[0086] Towards Figure 2a Each signal terminal of the pixel circuit shown corresponds to the input Figure 3a The signal shown, Figure 3a It mainly includes: an initialization stage T1, a data writing stage T2, and a light emitting stage T3, and there is a T0 stage with an interval of 4 unit duration t0 between the initialization stage T1 and the data writing stage T2.
[0087] In the initialization phase T1, s1=0, s2=0, s3=1, em1=1, em2=1, therefore, the signals input by the first scanning signal terminal S1 and the second scanning signal terminal S2 are active level signals respectively, The first transistor M1 and the second transistor M2 are turned on, and the third to sixth transistors M3 - M6 are all turned off. The turned-on first transistor M1 provides the initialization signal of the initialization signal terminal Vinit to the control electrode of the driving transistor M0 to initialize the driving transistor M0, and the storage capacitor Cst stores the initializat...
Embodiment 2
[0093] Towards Figure 2a Each signal terminal of the pixel circuit shown corresponds to the input Figure 3b The signal shown, Figure 3b It mainly includes: an initialization phase T1, a data writing phase T2 and a light emitting phase T3, and there is a discharge phase T0 with an interval of 4 unit duration t0 between the initialization phase T1 and the data writing phase T2.
[0094] In the initialization phase T1, s1=0, s2=0, s3=1, em1=0, em2=1, therefore, the first scan signal terminal S1, the second scan signal terminal S2 and the first light emission control signal terminal EM1 input They are active level signals, the first transistor M1 , the second transistor M2 and the fifth transistor M5 are all turned on, and the third transistor M3 , the fourth transistor M4 and the sixth transistor M6 are all turned off. The turned-on second transistor M2 provides an initialization signal to the light emitting device L to initialize the light emitting device L. Referring to FI...
Embodiment 3
[0100] Towards Figure 2a Each signal terminal of the pixel circuit shown corresponds to the input Figure 3c The signal shown, Figure 3c It mainly includes: an initialization phase T1, a data writing phase T2 and a light emitting phase T3, and there is a discharge phase T0 with an interval of 4 unit duration t0 between the initialization phase T1 and the data writing phase T2.
[0101] In the initialization phase T1, s1=0, s2=0, s3=1, em1=1, em2=1, therefore, the signals input by the first scanning signal terminal S1 and the second scanning signal terminal S2 are active level signals respectively, The first transistor M1 and the second transistor M2 are turned on, and the third to sixth transistors M3 - M6 are all turned off. The turned-on first transistor M1 provides the initialization signal of the initialization signal terminal Vinit to the control electrode of the driving transistor M0 to initialize the driving transistor M0, and the storage capacitor Cst stores the in...
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