Display device e.g. LCD device for switchgear cabinet installed in energy distribution plant, has detection unit that detects person for driving display device into active state

摘要

The display device (3) has a detection unit (7) that detects person (5) for driving the display device into active state. The detection unit is a passively infrared sensor, an identification sensor and a radio frequency identification sensor. The display device is provided with a backlight having several LEDs. The backlight is a cold cathode radiator. An independent claim is included for a method for operating display device.