A display device and an information updating method

Abstract

The embodiment of the invention relates to the technical field of communication, and discloses a display device and an information updating method. The display device comprises a radio frequency coiland an ink screen connected with the radio frequency coil; the radio frequency coil is used for generating energy through electromagnetic induction when receiving first identification information transmitted in a wireless communication mode and transmitting the first identification information and the energy to the ink screen; And the ink screen is used for updating the first identification information to the second identification information through the energy sensed and transmitted by the radio frequency coil, and the second identification information is the original display information of the ink screen. According to the invention, the updating of the article information is realized under the condition of no external power supply support.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a display device and an information update method. Background technique [0002] With the development of science and technology, electronic tags have gradually become an important means of item information marking, and are widely used in the marking of item information, so as to facilitate people to accurately obtain item information. QR code for information or status information. For example, in the transportation of goods or product production lines, adding electronic tags to goods greatly facilitates people's control of goods during production and transportation. [0003] The inventor found the following problems in the existing electronic label technology: the electronic labels with ink screen display in the prior art are all active labels, which need to be powered by a battery. After a long period of use, if the battery is not replaced in...

AI Technical Summary

Problems solved by technology

[0003] The inventor found the following problems in the existing electronic label technology: the electronic labels with ink screen display in the prior art are all active labels, which need to be powered by a battery. After a long period of use, if the battery is not replaced in time, it will affect the Updating and displaying identification information; the existing technology does not have an electronic label displayed on an ink screen, and the item information can only be marked once. When the status information of the item changes, the item information cannot be updated again. Therefore, the existing technology The item electronic tags in the article cannot meet people's needs for item information acquisition

Images