| 摘要 |
A display device includes a body including a stationary portion and an extendible portion movable relative to the stationary portion, an expandable display portion having a display area, an adjustable resistor, and a controlling unit. The first end of the expandable display is engaged in the stationary portion, and an opposite second end of the expandable display is engaged in the extendible portion. The adjustable resistor has a resistance varying with a distance between the stationary portion and the extendible portion. The controlling unit is configured for adjusting a size of the display area according to the resistance of the adjustable resistor.
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