Patent ID: 8242698

Claim:
An organic EL display device comprising: a plurality of power source lines which supply electricity to a plurality of pixels arranged in a matrix array; a power source bus line surrounding having a lower power source bus line, an upper power source bus line, a right power source bus line, and a left power source bus line, the lower power source bus line being connected to the plurality of power source lines and having a first end and a second end; and a power source part which supplies electricity to the first and second ends of the lower power source bus line respectively along opposite sides of a data line drive circuit, wherein each of the pixels is connected to a corresponding scanning line, a corresponding data line, and a corresponding power source line of the plurality of power source lines, the corresponding scanning line for each pixel is provided with a scanning signal from a scanning line drive circuit, and the corresponding data line for each pixel is provided with a data signal from the data line drive circuit, the lower power source bus line is arranged between a display region and the data line drive circuit, and the power source bus line surrounds the display region.