Product Type | OLED Commercial Display |
Model Number | 55EJ5K-B |
Screen Size | 55 Inch |
Native Resolution | 1920 x 1080 (FHD) |
Refresh Rate | 120 Hz |
Brightness (Typical) | 400 cd/m² |
Contrast Ratio | 150,000:1 |
Viewing Angle (H x V) | 178° x 178° |
Lifetime | 30,000 Hours (typical) |
Daily Operation Time | 18 Hours/Day (moving content only) |
Internal Storage | 16 GB eMMC |
Bezel Color | Black |
Power Supply | 100-240V~, 50/60Hz |
Power Consumption (Typical) | 150 W |
Power Consumption (Max) | 190 W |
LG 55EJ5K-B 55" FHD OLED Display, HDMI/DP/USB/RS232C/LAN, webOS 4.0





Key Benefits

Eye-Insights™ by Eye-In Technologies
AI-Powered Summaries from Online Customer Reviews
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- Ideal for commercial signage with 18/7 usage rating and 30,000-hour typical lifespan ensures prolonged operation.
- Versatile input/output connectivity including RS232C, LAN, and multiple USBs simplifies integration with various systems.
- Powered by webOS 4.0 and TAA compliant, meeting modern content management and government procurement standards.
Product Overview
55Inch OLED,1920x1080 (FHD),Life time30,000 Hrs (Typ.),Operation Hours (Hours/Day)18/7 (Moving Content Only),Portrait / Landscape,HDMI,DP,RS232C IN,RJ45(LAN),IR IN,USB2.0 Type A(2),DP Out,Audio Out,RS232C OUT,RJ45(LAN),Bezel ColorBlack,Internal Memory16GB,TemSpecifications
Product Overview
Wireless Features
Wi-Fi Support |
Compliance & Origin
Country of Origin | Republic of Korea |
TAA Compliant | Yes |
Certifications | UL / cUL / CB / TUV / KC / FCC Class A / CE / VCCI |
Advanced Security Features
Secure Boot | Yes |
Application Whitelisting | Yes |
Interfaces
HDMI Input | 1 x HDMI |
DisplayPort Input | 1 x DisplayPort |
DisplayPort Output | 1 x DisplayPort Out |
USB Ports | 2 x USB 2.0 Type-A |
LAN Port | 2 x RJ45 (LAN) |
RS-232C Input | 1 x RS-232C IN |
RS-232C Output | 1 x RS-232C OUT |
IR Input | 1 x IR IN |
Audio Output | 1 x 3.5mm Audio Out |
Physical & Environmental
Dimensions (W x H x D) | 1225.5 x 691.3 x 1.74 mm |
Weight | 5.8 kg |
VESA Mount Compatibility | 300 x 300 mm |
Operating Temperature | 0°C to 40°C |
Operating Humidity | 10% to 80% (non-condensing) |
Orientation | Portrait & Landscape |
Cloud Management & Licensing
Operating System | webOS 4.0 |
Remote Management | Yes – Supported through webOS and LAN |
Content Management | SuperSign CMS (optional software) |