This research is about the opening device of the display, on the opening device of the open and closed door (20) on the supporting platform (30) of the rotating groove (30a) inserted on the rotating axis (40) formed in the display (10),A protruding obstacle period (30b) is formed next to the rotating groove (30a) of the ground frame (30),When meeting at a certain angle with the above chart (20), the above obstacle (30b) will appear, and the opening device of the display characterized by the formation of the hanging Chin (50) on the screen (10).
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