Pixel circuit and drive method thereof as well as display panel
A pixel circuit and drive transistor technology, applied in static indicators, instruments, etc., can solve problems such as poor display effect, current difference, different OLED operating voltage, etc., to achieve good display effect and improve uniformity
- Application Information
AI Technical Summary
Problems solved by technology
 Example 1
 In this embodiment, a 5T2C circuit is used to compensate Vth, so that I=K (Vgs-Vth) of the drive tube 2 Regardless of the threshold voltage Vth of the driving transistor, the current flowing through the OLED is consistent and the uniformity is improved. Specific as figure 2 As shown, the pixel circuit of this embodiment includes: a gate line SCAN, a data line DATA, a power line V, a first signal line CR1, a second signal line CR2, a ground electrode GND, a first switching transistor T1, a second switching transistor T2 , The third switching transistor T3, the fourth switching transistor T4, the driving transistor DTFT, the first storage capacitor C1, the second storage capacitor C2 and the OLED device. Among them, all 5 transistors are P-type transistors.
 The gate of the first switching transistor T1 is connected to the gate line SCAN, the source is connected to the data line DATA, and the drain is connected to the first end of the first storage...
 Example 2
 In this embodiment, a display panel is provided, including the pixel circuit in embodiment 1. The pixel circuit is formed on an array substrate, and the array substrate is provided with a plurality of data lines and gate lines, and a plurality of data lines and gate lines. A plurality of the above-mentioned pixel circuits are defined; the array substrate further includes a driving chip for providing timing signals for the gate lines, data lines, first signal lines, and second signal lines, and providing power signals for the power lines.
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