| 摘要 |
PROBLEM TO BE SOLVED: To provide a display device for shelf tag which device dose not spoil beauty appearance of a display shelf and has good visual field angle and good visibility in a dark place, and an electronic shelf tag system using the display device. SOLUTION: A display device has a receiving means to receive display instruction information transmitted from a management computer and a display means to display the display instruction information on an arbitrary place, and comprises organic electroluminescence elements. An electronic shelf tag system using the display device is also provided. COPYRIGHT: (C)2007,JPO&INPIT
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