Electronic module and driving circuit board therefor

A driving circuit board, comprising:

• a substrate;
• and
• a driving circuit 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, which are provided on the substrate;
• wherein
• the plurality of lines connect the first terminal section and the third terminal section to each other, and are 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 in an x direction along the substrate;
• 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, which are arranged along the x direction;
• the plurality of second terminals are connected to the plurality of output terminals of the driving circuit;
• a termination direction of the second terminal section is a y direction which crosses the x direction;
• and
• one of a termination direction of the first terminal section and a termination direction of the third terminal section is the y direction while the other of the termination direction of the first terminal section and the termination direction of the third terminal section is a −y direction.

A driving circuit board, comprising:

• a substrate;
• and
• a driving circuit 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, which are provided on the substrate;
• wherein
• the plurality of lines connect the first terminal section and the third terminal section to each other, and are 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 an x direction on the substrate;
• 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, which are arranged along the x direction;
• the plurality of second terminals are connected to the plurality of output terminals of the driving circuit;
• a termination direction of the first terminal section, a termination direction of the second terminal section and a termination direction of the third terminal section are all a y direction which crosses the x direction;
• a first reference line, a second reference line and a third reference line are defined along edges of the first terminal section, the second terminal section and the third terminal section in the respective termination directions;
• and
• a distance d1 in the y direction between a midpoint of the second reference line and a midpoint of the first reference line is different from a distance d2 in the y direction between the midpoint of the second reference line and a midpoint of the third reference line.

A driving circuit board, comprising:

• a substrate;
• and
• a driving circuit 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, which are provided on the substrate;
• wherein
• the plurality of lines connect the first terminal section and the third terminal section to each other, and are 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 an x direction on the substrate;
• 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;
• the plurality of second terminals are connected to the plurality of output terminals of the driving circuit;
• the substrate includes a recessed portion and a protruding portion having sides parallel to a y direction which crosses the x direction along an edge of the substrate where the first terminal section is provided, and includes a recessed portion and a protruding portion having sides parallel to the y direction along an edge of the substrate where the third terminal section is provided;
• 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 in the x direction, and each of the plurality of first terminals and the plurality of third terminals includes at least two terminals that are arranged along the sides of the recessed portion and the protruding portion parallel to the y direction;
• a termination direction of the first terminal section is the x or −x direction, a termination direction of the third terminal section is the x or −x direction, and a termination direction of the second terminal section is the y direction.

A pair of boards comprising a first driving circuit board and a second driving circuit board, each of the first and second driving circuit boards including:

• a substrate;
• and
• a driving circuit 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, which are provided on the substrate, wherein in each of the first driving circuit board and the second driving circuit board:
• the plurality of lines connect the first terminal section and the third terminal section to each other, and are 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 an x direction on the substrate;
• 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, which are arranged along the x direction;
• and
• the plurality of second terminals are connected to the plurality of output terminals of the driving circuit;
• wherein
• in the first driving circuit board, a termination direction of the second terminal section is a y direction which crosses the x direction, and a termination direction of the first terminal section and a termination direction of the third terminal section are both a −y direction;
• and
• in the second driving circuit board, the termination direction of the first terminal section, the termination direction of the second terminal section and the termination direction of the third terminal section are all the y direction.

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, a second driving circuit board, a first wiring board and a second wiring board attached to the terminal region of the electronic circuit substrate while being arranged in an x direction;
• wherein
• each of the first and second driving circuit boards includes a first substrate, a driving circuit provided on the first substrate and including a plurality of input terminals and a plurality of output terminals, and an output line terminal section;
• each of the first and second wiring boards includes a second substrate, an up-stream terminal section and a downstream terminal section provided on the second substrate, and a plurality of transfer lines connecting the upstream terminal section and the downstream terminal section to each other;
• the upstream terminal section, the output line terminal section and the down-stream terminal section include a plurality of upstream terminals, a plurality of output line terminals and a plurality of downstream terminals, respectively;
• the upstream terminal section, the output line terminal section and the down-stream terminal section are arranged in this order along the x direction;
• the 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 signal lines of the electronic circuit substrate via the output line terminals;
• the transfer lines of the first wiring board are electrically connected to the input terminals of the driving circuit of the second driving circuit board;
• the downstream terminal section of the first wiring board and the upstream terminal section of the second wiring board are electrically connected to each other by only the substrate terminals provided on the electronic circuit substrate.

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, a second driving circuit board, a first wiring board and a second wiring board attached to the terminal region of the electronic circuit substrate while being arranged along an x direction, wherein:
• each of the first and second driving circuit boards includes a first substrate, a driving circuit provided on the first substrate and including a plurality of input terminals and a plurality of output terminals, and an output line terminal section;
• each of the first and second wiring boards includes a second substrate, an up-stream terminal section and a downstream terminal section provided on the second substrate, and a plurality of transfer lines connecting the upstream terminal section and the downstream terminal section to each other;
• the upstream terminal section, the output line terminal section and the down-stream terminal section include a plurality of upstream terminals, a plurality of output line terminals and a plurality of downstream terminals, respectively;
• the upstream terminal section, the output line terminal section and the down-stream terminal section are arranged in this order along the x direction;
• the 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 signal lines of the electronic circuit substrate via the output line terminals;
• the transfer lines of the first wiring board are electrically connected to the input terminals of the driving circuit of the second driving circuit board;
• the downstream terminal section of the first wiring board and the upstream terminal section of the second wiring board are electrically connected to each other by oonly the substrate terminals provided on the electronic circuit substrate;
• and
• each of the downstream terminals of the first wiring board corresponds to and faces a respective one of the upstream terminals of the second wiring board.