Pixel-driving circuit and its driving method

Pixel-driving circuit and its driving method

  • CN 107,301,845 A
  • Filed: 08/23/2017
  • Published: 10/27/2017
  • Est. Priority Date: 08/23/2017
  • Status: Active Application
First Claim
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1. a kind of pixel-driving circuit, it is characterised in that including:

  • First film transistor (T1), its grid connection first node (g), source electrode and drain electrode respectively connection Section Point (s) and3rd node (p);

    Second thin film transistor (TFT) (T2), its grid connection scanning signal (Scan1), source electrode and drain electrode connect fourth node respectively(n) with voltage input end (Vdata/Vref1);

    3rd thin film transistor (TFT) (T3), its grid connection scanning signal (Scan1), source electrode and drain electrode connect first node respectively(g) with the second reference potential (Vref2);

    4th thin film transistor (TFT) (T4), its grid connects the first control signal (EM1), and source electrode and drain electrode connect the 3rd node respectively(p) with power supply high potential (OVDD);

    5th thin film transistor (TFT) (T5), its grid connects the second control signal (EM2), and source electrode and drain electrode connect Section Point respectively(s) with OLED anode;

    OLED negative electrode connection power supply low potential (OVSS);

    First electric capacity (C1), its two ends connects first node (g) and Section Point (s) respectively;

    Second electric capacity (C2), its two ends connects Section Point (s) and fourth node (n) respectively.

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