In one general aspect, the subject matter described in this specification can be embodied in a display case door that includes an insulated panel assembly that is transparent to visible light. The door further includes a door frame extending about and secured to a peripheral edge of the insulated panel assembly, an electronic display overlaying the insulated panel assembly, and at least one lift-off hinge including a first hinge component attached to a longitudinal side of the door frame, and a second hinge component coupled to the electronic display.