A display apparatus capable of preventing thermal deterioration of an
organic EL layer to improve a reliability without increasing a frame area
thereof includes a display area, a circuit and wiring area, a pixel
circuit common supply line, a contact hole, an external connection
terminal, and an adhesion area. In the display area, EL devices and pixel
circuits are arranged in a matrix. In the contact hole, a common voltage
line and a transparent electrode electrically connected to an output of
the EL device are electrically connected to each other. To the external
connection terminal, an image signal, a control signal, and electric
power are externally supplied. The contact hole and the common voltage
line are disposed to surround a peripheral of the display area. To the
pixel circuit common supply line, the electric power is supplied from the
external connection terminal. In a peripheral portion of the display area
where the external connection terminal is disposed, the pixel circuit
common supply line is disposed outside the contact hole and the common
voltage line with respect to the display area.