| 摘要 |
The semiconductor device includes a plurality of pixels each including a plurality of sub-pixels, a power supply line and a plurality of signal lines for operating the plurality of pixels, a driver circuit for outputting signals to the plurality of signal lines, a signal input circuit for controlling the driver circuit, a compensation circuit which determines if a pixel has a normal state, a defective bright spot, or a point defect in the case where a current value detected shows an abnormal value, and accordingly outputs a compensation signal to the signal input circuit, and a current value detection circuit which detects a current value flowing through the power supply line when each sub-pixel is lighted. Thus, a pixel including a sub-pixel which shows an abnormal current value when lighted is compensated by a signal output from the driver circuit.
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