McDermott Will & Emery LLP
Pixel circuit having a data line for sensing threshold and mobility characteristics of the circuit
The present disclosure discloses a pixel driving circuit and a method of driving the same, a display panel and a display apparatus. The pixel driving circuit includes: a driving circuit, an energy storage circuit, a data and sensing line, a first initialization circuit, a second initialization circuit and a data writing circuit. The data and sensing line is configured to input a data signal or output a sensing signal; the first initialization circuit is configured to provide a potential at a voltage supply terminal to a control terminal of the driving circuit under control of a potential at a first control line; the second initialization circuit is configured to provide a potential at a second terminal of the driving circuit as the sensing signal to the data and sensing line under control of a potential at a second control line; and the data writing circuit is configured to provide the data signal input at the data and sensing line to the control terminal of the driving circuit under control of a potential at a third control line.
BOE TECHNOLOGY GROUP CO., LTD.
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Yongqian
Li