In one embodiment, there is provided a notification system. The system includes: a display apparatus; and one or more pairs of shutter glasses. The display apparatus includes: a display module configured to display a 3D picture; and a transmitter configured to transmit a control data to each of the pairs of shutter glasses, wherein the control data contains a shutter control data for controlling shutters of each of the pairs of shutter glasses. Each of the pairs of shutter glasses includes: a receiver configured to receive the control data containing shutter control data; a shutter controller configured to open and close the right eye shutter and the left eye shutter, based on the shutter control data; and a notification module configured to notify a warning when a specific period of time has elapsed after the receiver receives the control data.
展开▼