A display assembly, comprising a housing, an electrically conductive easy-peel adhesive, and a display module, wherein the housing comprises an electric conductor attached to the electrically conductive easy-peel adhesive, the display module comprises a conductive mounting surface in contact with the electrically conductive easy-peel adhesive, and the conductive mounting surface is attached securely to the electric conductor by using the electrically conductive easy-peel adhesive therebetween; a first contact position is disposed on the electric conductor, and a second contact position is disposed on the conductive mounting surface; and when the first contact position and the second contact position are connected to a power supply, the electrically conductive easy-peel adhesive is removed from the display module or the housing; wherein the housing is made of a metallic material, and the electric conductor is the housing, the first contact position is located on any surface of the electric conductor, the second contact position is connected to a contact channel, and the contact channel is configured to provide a power connection for the second contact position; and the contact channel is a through hole that penetrates through the housing and the electrically conductive easy-peel adhesive; or wherein the electric conductor is a conductive adhesive layer disposed on the housing, the first contact position is connected to a first contact channel, the second contact position is connected to a second contact channel, the first contact channel provides a power connection for the first contact position, and the second contact channel provides a power connection for the second contact position,,the first contact channel is a through hole that penetrates through the housing and reaches the conductive adhesive layer, and the second contact channel is a through hole that penetrates through the housing, the conductive adhesive layer and the electrically conductive easy-peel adhesive. when the first contact position and the second contact position are connected to a power supply, the electrically conductive easy-peel adhesive is removed from the display module or the housing; wherein the housing is made of a metallic material, and the electric conductor is the housing, the first contact position is located on any surface of the electric conductor, the second contact position is connected to a contact channel, and the contact channel is configured to provide a power connection for the second contact position; and the contact channel is a through hole that penetrates through the housing and the electrically conductive easy-peel adhesive; or wherein the electric conductor is a conductive adhesive layer disposed on the housing, the first contact position is connected to a first contact channel, the second contact position is connected to a second contact channel, the first contact channel provides a power connection for the first contact position, and the second contact channel provides a power connection for the second contact position,,the first contact channel is a through hole that penetrates through the housing and reaches the conductive adhesive layer, and the second contact channel is a through hole that penetrates through the housing, the conductive adhesive layer and the electrically conductive easy-peel adhesive.