Patent ID: 8493285

Claim:
A display system, comprising: a first display panel electrically operable and selectively operable in a partially or fully transparent state, wherein the first display panel functions as an operating and display element for an industrial automation device to provide for operator control and information display in its partially transparent state; and a second display panel, wherein the second display panel is a passive display panel comprising printed information thereon that does not change with regard to its display, the second display panel positioned in such a manner with respect to the first display panel that the second display panel can be viewed partially or fully through the first display panel depending on the transparency state of the first display panel, wherein, when operator control action is performed on the operating and display element, the first display panel functions as the operating and display element in its partially transparent state to provide for operator control and information display, and wherein, if no operator control action is performed on the operating and display element, the first display panel switches to its fully transparent state thereby allowing viewing of the printed information on the second display panel.