Display device and connection circuit board

A display device comprising:

• a display panel comprising an edge extending along a first direction;
• and
• a connection circuit board which is connected to the display panel at the edge thereof,
• wherein
• the connection circuit board comprises a plurality of board side pads which are arranged along the first direction and through which an electrical signal is provided to the connection circuit from outside thereof, and
• each of the plurality of board side pads comprises:
• a first pad;
• and
• a plurality of signal pads which are arranged along a second direction which crosses the first direction and are each aligned with the first pad along the first direction, the plurality of signal pads which are arranged along the second direction comprising an inspection pad aligned with a power pad along the second direction.

A display device comprising:

• a display panel comprising an edge extending along a first direction;
• and
• a connection circuit board which is connected to the display panel at the edge thereof,
• wherein
• the connection circuit board comprises a plurality of board side pads which are arranged along the first direction, and
• each of the plurality of board side pads comprises:
• a first pad having a first width along the first direction;
• and
• a second pad which is aligned with the first pad along the first direction, the second pad comprising:
• a plurality of signal pads which are arranged along a second direction which crosses the first direction and are each aligned with the first pad along the first direction, and
• a second width along the first direction which is a maximum width of the plurality of signal pads along the first direction and is greater than the first width of the first pad.