Avalue EPD-3150 是一块 31.5 英寸 E Ink Spectra 6 全彩电子纸（ePaper）数字标牌显示屏，主打大尺寸、阳光下可读、超低功耗的公共信息界面。
它采用 2560×1440（16:9）的 E Ink Spectra 6 面板，94 PPI，可呈现红、绿、蓝、黄、黑、白六色；窄边框、无风扇设计，断电后画面保持不耗电，仅在内容变更时刷新。内容可通过 Wi-Fi 或 SD 卡写入，由 USB Type-C（+12V）供电，在 0~50°C 环境无风扇运行，机身尺寸 707.9×413.2×23.5 mm。
作为一块低维护的全彩电子纸标牌面板，它非常适合公交站牌、门店菜单、会议室信息牌等需要长期静态显示、无需持续供电的场景。
本文来源：https://www.tslautomation.com/products/Digital-Paper/Public-Display-Solution/EPD-3150/datasheet
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The Avalue EPD-3150 is a 31.5-inch E Ink Spectra 6 full-colour electronic paper (ePaper) digital signage display, aimed at large-format, sunlight-readable, ultra-low-power public information interfaces.
It uses a 2560×1440 (16:9) E Ink Spectra 6 panel at 94 PPI, capable of showing six colours: red, green, blue, yellow, black and white. With narrow bezels and a fanless design, the image persists without power consumption after shutdown and refreshes only when content changes. Content can be written over Wi-Fi or SD card, it is powered via USB Type-C (+12V), and it runs fanless in a 0~50°C environment. The chassis measures 707.9×
As a low-maintenance full-colour e-paper signage panel, it suits bus stops, shop menus, meeting-room information boards and other scenarios needing long-term static display without continuous power.
