| 摘要 |
An exemplary a display apparatus ( 2 ) includes a display panel ( 21 ) and a height adjusting device ( 25 ). The height adjusting device includes a base ( 26 ), a supporting member ( 27 ), a locking unit ( 30 ), and an elastic member ( 28 ). The display panel is fixed to the locking unit. The supporting member is fixed on the base. The supporting member includes two generally vertical friction grooves ( 2723, 2725 ). A depth of one of the friction grooves decreases with increasing height above the base, and a depth of the other friction groove increases with increasing height above the base. The locking unit is accommodated in the supporting member. The locking unit includes two sliders ( 33, 35 ) corresponding to the two friction grooves of the supporting member respectively. One of the sliders abuts a corresponding one of the friction grooves. The elastic member spans between the locking unit and the base.
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