AUTOMATIC BRIGHTNESS CONTROL METHOD OF A TELEVISION RECEIVER

摘要

The present invention detects the level of the ABL signal for a certain period of time when the television receiver or monitor is used, in particular, when the brightness changes suddenly, and automatically adjusts the video output adjustment level such as brightness, contrast, and tint of the screen to watch. It is an object of the present invention to provide a method for automatically adjusting the brightness of the screen of a television receiver to prevent a person from accumulating a lot of eyes.;The method according to the present invention for achieving the above object comprises the steps of: setting an automatic surface state change mode for searching whether the automatic surface state change mode is selected while the power of the television receiver is driven; When the automatic surface state change mode is set, if the brightness of the screen suddenly changes within a predetermined time, it is characterized in that the automatic surface state change process of informing the user and down the brightness of the screen.