Printed circuit board and display system including the printed circuit board

A display system comprising:

• a system module;
• a connector connected to the system module;
• and
• a display module connected to the system module through the connector, the display module comprising:
• a liquid crystal panel which displays an image;
• and
• a first printed circuit board which drives the liquid crystal panel, the first printed circuit board comprising a ground layer comprising:
• a first ground region electrically connected to the display module;
• and
• a second ground region electrically isolated from the first ground region relative to the ground layer and electrically connected to the connector,
• wherein the system module is configured to:
• at least one of transmit communication signals to the display module and receive communication signals from the display module;
• and
• transmit a noise component which is independent of the communication signals to the display module through the connector,
• wherein the first ground region and the second ground region are both independently electrically connected to a top chassis of the display module.