Drive controlling circuit of active matrix organic light emitting diodes and adjusting white balancing method
A technology for driving control circuits and light-emitting diodes, applied in electroluminescent light sources, light sources, electric light sources, etc., can solve problems such as poor white balance and inconsistent luminous brightness, and achieve the effect of optimal white balance
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[0023] figure 2 Shown is an active matrix organic light emitting diode pixel circuit diagram. As shown in the figure, the Active Matrix Organic Light Emitting Diode (AMOLED for short) pixel includes: a transistor 210 , a transistor 220 , a capacitor 230 and an OLED 240 . Wherein, the gate of the transistor 210 is connected to the scan line, the drain is connected to the data line, the source is connected to one end of the capacitor 230 and the gate of the transistor 220, the drain of the transistor 220 is connected to the power supply Vdd, and the source is connected to the anode terminal of the organic light emitting diode 240 .
[0024] Its operation method is that when a horizontal scanning signal received by the scanning line scans the pixel, the transistor 210 is turned on to transmit the voltage of the data line to the gate of the transistor 220 to obtain the gate voltage Vg. Generally speaking, the display brightness of the OLED 240 is proportional to the current Id ...
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