Product Description
LG 55UM5N-H Standard Digital Signage | 55″ 4K UHD IPS Display | 500 nits | 24/7 Operation | webOS 6.0 | Built-in Wi-Fi | Black
The LG 55UM5N-H is a high-performance 55-inch 4K UHD digital signage display designed for professional and commercial environments that demand exceptional image quality, durability, and smart functionality. Delivering four times the resolution of Full HD, the IPS panel ensures brilliant color accuracy and wide viewing angles, providing crisp and consistent visuals from any direction.
With a brightness of 500 nits and an anti-glare coating, the UM5N maintains excellent visibility even in brightly lit spaces, making it ideal for retail stores, corporate lobbies, transportation hubs, and educational institutions. The webOS 6.0 operating system simplifies content management with its intuitive interface and built-in 16GB internal storage, while the integrated Wi-Fi enables seamless connectivity and remote control.
Designed for continuous 24/7 operation, this signage display combines durability, energy efficiency, and intelligent features such as auto brightness control, failover, and content scheduling—ensuring uninterrupted performance for dynamic business communication.
Key Features
55″ 4K UHD (3840×2160) IPS Display – Delivers lifelike colors, deep contrast, and wide 178° viewing angles.
500 nits Brightness & Anti-Glare Surface – Ensures vivid visibility even under bright lighting conditions.
webOS 6.0 Smart Signage Platform – Intuitive content management and control with embedded CMS and remote access.
Built-in Wi-Fi & 16GB Internal Memory – Enables fast connectivity and smooth media playback.
Professional 24/7 Operation – Engineered for reliability in commercial environments.
Advanced Control Features – Includes SNMP, Crestron, Cisco certification, and LG ConnectedCare compatibility.
Energy Efficient Design – With Smart Energy Saving mode and Carbon Trust certification.
Flexible Installation – Supports both landscape and portrait orientations with VESA 300×300 mm mount.
Specifications
| Category | Details |
| Display Size | 55″ |
| Panel Type | IPS |
| Resolution | 3840 × 2160 (4K UHD) |
| Aspect Ratio | 16:9 |
| Brightness (Typ.) | 500 nits |
| Contrast Ratio | 1,100:1 (Dynamic 1,000,000:1) |
| Color Depth | 10-bit (1.07 Billion Colors) |
| Color Gamut | BT709 95% |
| Response Time | 8ms (Tr) / 10ms (Tf) |
| Refresh Rate | 60Hz |
| Viewing Angle (H/V) | 178° / 178° |
| Surface Treatment | Anti-Glare, Haze 28% |
| Lifetime | 50,000 Hours (Min.) |
| Operation Hours | 24/7 Continuous Operation |
| Orientation | Portrait / Landscape |
| Operating System | webOS 6.0 |
| Internal Memory | 16 GB |
| Wireless Connectivity | Built-in Wi-Fi |
| Sensors | Temperature, Auto Brightness (IR), Acceleration (Gyro) |
| Speakers | Built-in (10W x 2) |
| Inputs | HDMI (3), DP (1), USB 2.0, RS232C In, RJ45 (LAN), IR In |
| Outputs | HDMI Out, Audio Out, RS232C Out |
| Bezel Color | Black |
| Bezel Width | T/B: 12.4mm, R/L: 11.4mm |
| Dimensions (W×H×D) | 1237 × 710 × 57.7 mm |
| Weight (Net / Packed) | 14.2 kg / 18.9 kg |
| VESA Mount | 300 × 300 mm |
| Power Supply | AC 100–240V, 50/60Hz |
| Power Consumption (Typ./Max.) | 130W / 180W |
| Smart Energy Saving (~70%) | 91W |
| Operating Temperature / Humidity | 0°C–40°C / 10–80% (non-condensing) |
| Certifications | CB / NRTL, FCC Class B, CE, KC, Energy Star, Carbon Trust |
| Special Features | IP5X Rating, Conformal Coating, Tilt Face Down (Max 30° @ 40°C) |
| Accessories (Included) | Remote Control (with batteries), Power Cord, QSG, RS232C Gender |
| Optional Accessories | Slim Wall Mount (WB21LMA/B), Wall Mount (OLW480A/B), Adapter (AM-B330S) |
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