OutdoorLCD
31.5″ Outdoor Color E-Paper with Cholesteric Tech
QUOVIN E-paper is a 31.5″ full-color E-paper display built with advanced cholesteric liquid crystal technology, delivering vivid visuals with near-zero power consumption. Designed for outdoor and extreme environments, it operates reliably from -20°C to 60°C, making it ideal for energy-efficient digital signage and remote deployments.
31.5″ cholesteric LCD, full colour, high reflectivity
Multi-color visuals with fast/partial/full refresh
Ultra-low power, zero static, 6–12 months operation
Operates from -20°C to 60°C for outdoor use
Remote network control & content management
| Casing Material | Galvanized iron |
| Available Colors | White / Black |
| Interfaces | USB 2.0 / Wi-Fi |
| Power Supply | 12V 5000mAh lithium battery |
| Power Consumption | 0 W (static state) |
| Operating Time | 6–12 months (depending on refresh frequency) |
| Panel Size & Type | 31.5″ Color E-paper screen |
| Resolution & Aspect Ratio | 1920 × 1080, 9:16 |
| Viewing Area & Angle | 363.38 × 697.68 mm, 178° H / 178° V |
| Refresh Time | ~1.0 s |
| MCU & Storage | Xtensa 32-bit Dual Core MCU, 120MB eMMC |
| Network Control | Account and device management, terminal-server heartbeat, image transfer and carousel, sleep/wake-up in ultra-low power mode |
| Temperature and humidity | Operating: -20°C to 60°C, Storage: -25°C to 70°C, Humidity: 10–90% |
| Dimensions & Weight | 728 × 423 × 20 mm, Net: 5 kg |
Color e-paper Bus stop sign is a smart low-power display solution built specifically for bus shelters, roadside bus stops and public transit stations. Adopting advanced color e-paper (e ink) technology, this bus stop timetable sign delivers paper-like reading experience to show real-time bus departures, route information, destination and platform schedules for passengers.
Unlike traditional LCD bus displays, Color e-paper bus stop sign consumes almost zero power when keeping static content on screen. Power is only used during screen refreshes. This ultra-low power feature makes it perfect for solar-powered off-grid installation at remote bus stops, without complicated wiring and high ongoing electricity bills.
The color e ink panel is highly sunlight readable. Passengers can clearly view bus timetable information even under bright direct sunshine, with no screen glare. The outdoor enclosure is fully weatherproof, resisting rain, dust and wide temperature fluctuations, to operate reliably year-round inside bus shelters.
Operators can remotely update bus routes, estimated arrival times, service alerts and public notices through cloud CMS. Real-time transit data can be synced automatically, so passengers get accurate departure information. The screen stays visible even during power outages, keeping bus timetable information available for travellers.
Color e-paper bus stop sign has wide applications across urban public transit systems, suburban bus stops and community bus shelters. It replaces printed paper timetables which need frequent manual replacement, cutting maintenance labor and material waste. It is a sustainable choice for smart city and public transport digital transformation.
Multiple sizes and mounting options are available, including wall-mounted and pole-mounted designs to fit different bus shelter structures. For transit authorities, smart city contractors and public transport integrators, color e-paper bus stop sign provides a low-maintenance, energy-saving and eye-friendly wayfinding display for modern bus stops.