Electronic shelf label system and display device
AssigneeJapan Display Inc.
InventorsKoji ISHIZAKI, Taro ICHIMURA, Takao AMBAI
Life of this patent
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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.
Claims14
A display device being enable communication with an external device, comprising:
- a display panel;
- a controller configured to control the display panel so as to display product data related to a product;
- a battery configured to store electric power operating the display device;
- and
- a power supply circuit configured to supply electric power to the battery, the electric power being obtained by the communication with the external device.
An electronic shelf label system comprising a display device, and a server device being enable communication with the display device, wherein
- the server device comprises a storage configured to store product data on a product, and
- the display device comprises:
- a display panel;
- a first controller configured to control the display panel so as to display the product data on the display panel;
- a battery configured to store electric power operating the display device;
- and
- a power supply circuit configured to supply electric power to the battery, the electric power being obtained by communication with the server device.
An electronic shelf label system comprising a display device, a server device being enable communication with the display device, and a terminal, wherein
- the server device comprises a storage configured to store product data on a product, and
- the display device comprises:
- a display panel;
- a first controller configured to control the display panel so as to display the product data on the display panel;
- a battery configured to store electric power operating the display device;
- and
- a power supply circuit configured to supply electric power to the battery, the electric power being obtained by communication with the terminal.
Dependencies are inferred from the claim text.