How to Prevent the E-Paper Screen of Digital Price Tags from Turning Red?

With the continuous advancement of technology, Epaper Digital Price Tags have been  widely used in the retail industry.   Electronic  digital price tag  can not only update price information in a timely manner, but also effectively reduce labor costs and improve work efficiency. However, many customers found that these E-paper screens would turn red within 24 hours when using E-ink pricer  digital tags,   which not only affects the aesthetics of the label, but may also have a negative impact on consumers' shopping experience. So, how to solve the problem of ESL electronic shelf labels turning red?

First, we need to understand the working principle of digital price tag for shelves. Electronic ink screens use tiny electron particles to change color under the action of an electric field to display different information. All E-paper screens in the world will turn red within 24 hours, because the red particles will swim upwards. This is a physical phenomenon of E-Paper.