Patent ID: 9646561
Date: 2017-05-09
CPC Classifications: G09G

Claim:
1. A display device comprising: a display panel including a plurality of pixels, each of which is connected to a corresponding one of a plurality of gate lines and a corresponding one of a plurality of data lines; a gate driver configured to drive the plurality of gate lines; a data driver including a plurality of pads, the plurality of pads including a first group of pads and a second group of pads, wherein each of the first group of pads is connected to each of a first group of data lines of the plurality of data lines, and each of the second group of pads is connected to each of a second group of data lines of the plurality of data lines; and a driving control unit configured to provide control signals and a data signal to the data driver, and to control the gate driver, wherein the data driver comprises: a digital-to-analog converter configured to convert the data signal into a plurality of analog signals corresponding to each of the plurality of data lines; and a switching circuit configured to connect each of a plurality of terminals of the digital-to-analog converter to a corresponding one of the plurality of pads at substantially the same time during a normal mode, wherein, during a test mode, the switching circuit is further configured to connect each of a first group of output terminals of the plurality of output terminals to a corresponding one of the first group of pads in a first period, and to connect each of a second group of output terminals of the plurality of output terminals to a corresponding one of the first group of pads in a second period subsequent to the first period.