Abstract: According to one embodiment, a display device comprises a first drive substrate comprising a first base having a first end portion, a plurality of first pixel electrodes, and a first drive circuit, a second drive substrate comprising a second base having a second end portion, a plurality of second pixel electrodes, and a second drive circuit, and a counter-substrate comprising a support base and an electrophoretic layer. The first end portion and the second end portion are in contact with each other to form a contact portion. The electrophoretic layer overlaps the plurality of first pixel electrodes, the first drive circuit, the contact portion, the second drive circuit, and the plurality of second pixel electrodes.

Abstract: According to one embodiment, a dynamic pricing management system has an operation device which calculates and determines product information of each product to be displayed, plurality of electronic shelf labels each includes a display module which allows the product information to be displayed and rewritten, a communication device which allows exchange of the product information between the electronic shelf labels and the operation device, a database in which basic information of each product is stored, a management device which manages sales or inventory information of each product, and an other-than-product data collection device which collects and accumulates fluctuation data other than products with time.

Abstract: According to one embodiment, a display device includes a display, a touchpanel, a memory and a processor. The display displays a shelf label image including a product information item of a product displayed on a display shelf. The touchpanel in or on the display detects a contact position of an object. The processor executes a program stored in the memory, makes a state of the touchpanel from an inactive state to an active state when an external terminal is connected to the display device, detects a type of an action, based on the contact position of the object detected by the touchpanel in the active state, changes the shelf label image displayed on the display in accordance with the type of the action.

Abstract: According to one embodiment, a display device being enable communication with an external device is provided. The display device includes a display panel, a controller, a battery, and a power supply circuit. The controller is configured to control the display panel so as to display product data related to a product. The battery is configured to store electric power operating the display device. The power supply circuit is configured to supply electric power to the battery. The electric power is obtained by the communication with the external device.