公开(公告)号：US20190171402A1

公开(公告)日：2019-06-06

申请号：US16209334

申请日：2018-12-04

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Taro ICHIMURA ,  Takao AMBAI

IPC: G06F3/147 ,  G06K17/00 ,  G06Q20/20 ,  G06Q10/08 ,  G09F3/20

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.

公开(公告)号：US20190189041A1

公开(公告)日：2019-06-20

申请号：US16220738

申请日：2018-12-14

Applicant: Japan Display Inc.

Inventor： Koji ISHIZAKI ,  Takao AMBAI ,  Taro ICHIMURA

IPC: G09G3/20 ,  G06F3/041 ,  G06F3/01 ,  G06F3/0484 ,  G06Q30/06

CPC classification number: G09G3/20 ,  G06F3/017 ,  G06F3/0412 ,  G06F3/0416 ,  G06F3/04845 ,  G06Q30/0643

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.