Patent ID: 7420821

Claim:
An electronic module, comprising: an electronic circuit substrate including a plurality of circuit components, a plurality of signal lines connected respectively to the plurality of circuit components, and a plurality of substrate terminals provided in a terminal region of the electronic circuit substrate; and a first driving circuit board and a second driving circuit board attached to the terminal region of the electronic circuit substrate while being arranged adjacent to each other in an x direction; wherein each of the first and second driving circuit boards includes a substrate, a driving circuit provided on the substrate and including a plurality of input terminals and a plurality of output terminals, a first terminal section, a second terminal section, a third terminal section, and a plurality of lines connecting the first terminal section and the third terminal section to each other and the plurality of lines being connected to the plurality of input terminals of the driving circuit; the first terminal section, the second terminal section and the third terminal section are arranged in this order along the x direction; the first terminal section, the second terminal section and the third terminal section include a plurality of first terminals, a plurality of second terminals and a plurality of third terminals, respectively, and each of the plurality of first terminals, the plurality of second terminals and the plurality of third terminals includes at least two terminals that are arranged next to each other along the x direction; the plurality of output terminals of the driving circuit of each of the first driving circuit board and the second driving circuit board are electrically connected to the plurality of signal lines of the electronic circuit substrate via the plurality of second terminals; the third terminal section of the first driving circuit board and the first terminal section of the second driving circuit board are electrically connected to each other by only the plurality of substrate terminals of the electronic circuit substrate.