| 摘要 |
PURPOSE: A data signal selection unit of a data driver circuit of an organic electro-luminescent display panel is provided to change a path of an output pin in a process for outputting a data signal. CONSTITUTION: A data signal selection unit of a data driver circuit of an organic electro-luminescent display panel includes a plurality of constant current sources(31), a plurality of output pins(35), a data signal selection unit(33), and a display panel. The constant current sources(31) are used for outputting data signals in orders of the first to the third data signals. The output pins(35) are used for outputting the data signals of the constant current sources(31) to data lines. The data signal selection unit(33) changes the output pins(35) according to a selection control signal. The display panel is used for displaying colors according to the data signals of the output pins(35).
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