US Patent 7515402 Liquid crystal display and support thereof

A liquid crystal display. A moving assembly is connected to a display panel to move the display panel. A locking assembly is moveable between a first position and a second position. When the locking assembly is located in the first position, the display panel cannot be moved. When the locking assembly is located in the second position, the display panel can be moved by the moving assembly. A holding assembly is moveable between a third position and a fourth position. When the holding assembly is located in the third position, the locking assembly is kept at the first position. When the holding assembly is located in the fourth position, the locking assembly can be moved to the second position.