PROBLEM TO BE SOLVED: To stably support a display unit displaying an image, in a display device for selecting two-dimensional display or three-dimensional display in accordance with the direction of two display screens adjacent to each other.SOLUTION: A display unit 43 having two display screens 43a, 43b adjacent to each other is rotatably supported at 90 degrees about a rotating shaft 47. A locking rotating shaft 51 is disposed on the rear surface of the display unit 43. A locking operation unit 53 protruding outward from the display unit 43 is pivotably supported on one end of the locking rotating shaft 51, and a locking lever 52 equipped with a locking section 55 that engages with the engaging section 44a of a base 44 is pivotably supported on the other end of the locking rotating shaft 51.COPYRIGHT: (C)2012,JPO&INPIT【課題】2つの表示画面の隣接方向に応じて、2次元表示または3次元表示を選択的に切り換える表示装置において、表示中の表示部を安定して支持する。【解決手段】隣接した2つの表示画面43a、43bを有する表示部43を回転軸47回りに90°回転可能に支持する。この表示部43の背面にロック用回転軸51を設け、一端に表示部43から外方に突出するロック用操作部53、他端に基台44の係合部44aに係合するロック部55を設けたロック用レバー52を軸支させる。【選択図】図4