| 摘要 |
<p>A micro-projection-display device includes: a projection lens (110), an elastic projection screen (120), a stretchable projection framework (130) and a sliding block (140). At least one point of the stretchable projection framework (130) is connected with the elastic projection screen (120). The sliding block (140) is connected with the stretchable projection framework (130) and is configured to cause the stretchable projection framework (130) to stretch or retract so as to cause the elastic projection screen (120) to stretch or retract.</p> |
