| 摘要 |
The display device according to the proposed embodiment is configured to include an illumination sensor (118) that senses illumination at the surroundings where display devices are installed; an image data receiver (100) that receives image signals input from the outside; a picture level detector (120) that detects and outputs an average picture level (APL) of a signal received in the image data receiver; a memory unit (116) that stores data for backlight control values corresponding to illumination levels; and a controller (122) that extracts data corresponding to an illumination sensing state of the illumination sensor from the memory unit and sets register values for controlling the backlight brightness by using the extracted data and an output signal of the picture level detector.
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