Patent ID: 7283193

Claim:
A display device comprising a display panel and a plurality of wiring boards placed along a periphery of the display panel, wherein the display panel has panel-side connection wiring for electrically connecting a first wiring board and a second wiring board adjacent to each other among the plurality of wiring boards, each of the plurality of wiring boards has an insulating base, a board-side wiring group running on the insulating base, and at least one driving circuit element for driving the display panel, the board-side wiring group is composed of element-connected wiring electrically connected to the driving circuit element, first non-connected wiring having no electrical connection to the driving circuit element and second non-connected wiring having no electrical connection to the driving circuit element, and the panel-side connection wiring is formed so that the element-connected wiring of the first wiring board and the first non-connected wiring of the second wiring board are electrically connected to each other and so that the first non-connecting wiring of the first wiring board is connected to the second non-connecting wiring of the second wiring board and so that the element-connected wiring of the second wiring board is not electrically connected to the board-side wiring group of the first wiring board, wherein the plurality of wiring boards have wiring patterns identical in board-side wiring group.