A display device includes a substrate ( 100 ), pixel electrodes (PIX) formed on the substrate ( 100 ), scanning lines (G) to transmit scanning signals, signal lines (S) divided into four groups (LL, LR, RL and RR) to transmit data signals, signal line driving circuits ( 112 ) to drive the groups (LL, LR, RL and RR) of the signal lines (S), respectively, analog switch control signal lines ( 107 and 108 ) connected between the signal line driving circuits ( 112 ) and the groups (LL, LR, RL and RR) of the signal lines (S), and transistors (ASW) connected between the analog switch control signal lines ( 107 and 108 ) and the groups (LL, LR, RL and RR) of the signal lines (S) to provide the data signals to the pixel electrodes (PIX) in response to the scanning signals. An electrical path length between the signal line driving circuits ( 112 ) and a point (A) of the analog switch control signal lines ( 107 and 108 ) provided at a boundary region between the groups (LL and LR), for example, of the signal lines (S) is configured to be substantially the same as the one between the signal line driving circuits ( 112 ) and a point (B) of the analog switch control signal lines ( 107 and 108 ) provided at a boundary region between the groups (LL and LR) of the signal lines (S).
1. A display device comprising:
a substrate;
pixel electrodes formed on said substrate;
scanning lines to transmit scanning signals;
signal lines divided into at least first and second groups to transmit data signals;
first and second signal line driving circuits to drive said first and second groups of said signal lines, respectively;
first control signal lines connected between said first signal line driving circuits and said first group of said signal lines;
second control signal lines connected between said second signal line driving circuits and said second group of said signal lines; and
transistors connected between said first and second control signal lines and said first and second groups of said signal lines to provide said data signals to said pixel electrodes in response to said scanning signals, respectively;
wherein a first electrical path length between said first signal line driving circuits and a component of said first control signal lines provided at a boundary region between said first and second groups of said signal lines is configured to be substantially the same as a second electrical path length between said second signal line driving circuits and a component of said second control signal lines provided at said boundary region.
2. The display device according to claim 1 , wherein said first and second control signal lines are connected to make said first and second electrical path lengths substantially equal.
3. The display device according to claim 1 , wherein said first and second signal line driving circuits supply said data signal to, central portions of said first and second control signal lines, respectively.
4. The display device according to claim 1 , wherein said first control signal lines are commonly connected to said second control signal lines and said first signal line driving circuits supply said data signal to an end portion of said first control signal lines.
5. The display device according to claim 1 , wherein said first and second signal line driving circuits are independently connected to central portions of said first and second control signal lines, respectively.
6. The display device according to claim 1 , further comprising: coupling lines formed on said substrate; an insulation film to cover said substrate and said coupling lines; and electrically contacting members provided in said insulation film to connect said coupling lines to said first and second control signal lines.