Patent ID: 7515402

Claim:
A liquid crystal display, placed on a working surface, comprising: a display panel; a moving assembly connected to the display panel to move the display panel; a locking assembly moveable between a first position and a second position, wherein the moving assembly is abutted by the locking assembly so that the display panel cannot be moved when the locking assembly is located in the first position, and the moving assembly is not abutted by the locking assembly so that the display panel can be moved by the moving assembly when the locking assembly is located in the second position; and a holding assembly moveable between a third position and a fourth position, wherein the holding assembly is in the fourth position when the holding assembly contacts the working surface, and the holding assembly is in the third position when the holding assembly is separated from the working surface, wherein the holding assembly engages the locking assembly so that the locking assembly is held at the first position when the holding assembly is located in the third position, and the locking assembly disengages from the holding assembly so that the locking assembly can be moved to the second position when the holding assembly is located in the fourth position.