Patent ID: 8742784
Filing Date: 2014-06-03
Classification: G02F,G09G

Abstract:
1. An organic light emitting display device comprising: a pixel unit comprising pixels at crossing regions of scan lines and data lines; a scan driving circuit configured to supply scan signals to the scan lines; and a lighting test circuit configured to supply lighting test signals to the data lines, the lighting test circuit comprising a plurality of transistors, the plurality of transistors comprising source electrodes, drain electrodes, and gate electrodes, the source electrodes being coupled, in common, to input lines to which the lighting test signals are input, the drain electrodes being coupled to the data lines, the gate electrodes being coupled, in common, to an input line of test control signals, and the gate electrodes and the source electrodes being coupled through a resistor composed of a semiconductor material, wherein the resistor is integrally provided with a channel layer of the transistors, and wherein the resistor is composed of a polysilicon semiconductor comprising an impurity not included in the channel layer of the transistors.