Patent ID: 9749666
Date: 2017-08-29
CPC Classifications: H04N

Claim:
1. A display apparatus comprising: a display panel; and a display driver configured to drive the display panel, wherein the display driver includes: a first connector configured to receive a first signal from an antenna, the first signal including a broadcasting signal in broadcasting frequency band and a control signal in prescribed frequency band lower than the broadcasting frequency band; a tuner configured to receive the broadcasting signal, the broadcasting signal including an electronic program guide (EPG) signal in one frequency band of the broadcasting frequency band, assign the EPG signal to a prescribed EPG channel in a standby mode, and tune to a channel in response to a user's input to provide a signal corresponding to the channel and the EPG channel to the display panel in a normal mode, wherein in the standby mode, the tuner converts an EPG signal provided by a server into an unassigned broadcasting channel and stores the converted EPG signal; and a frequency signal processor comprising: a first high-pass unit configured to pass a frequency signal having a frequency higher than a frequency corresponding to the broadcasting signal received from the first connector and provide the broadcasting signal to the tuner; a first band-pass unit configured to pass the control signal received from the first connector in a prescribed band; a first converter configured to convert the control signal to control digital data; and a controller configured to provide the control digital data to a display driving component, wherein the broadcasting signal and the control signal are filtered from the first signal.