LG webOS UHD Signage – 55” (Model: 55UL3J-E)
LG’s 55” webOS UHD Signage is designed for impactful visual communication with smart connectivity. It features UHD resolution, a 400 nit brightness panel, and built-in Wi-Fi for seamless content sharing and remote control. Powered by webOS 6.0, it offers advanced features like screen rotation, video tags, and network sync — making it ideal for business, retail, and education spaces.
Product Specifications
Panel
Screen Size: 55″ (139 cm)
Panel Technology: ADS
Resolution: 3840 x 2160 (UHD)
Brightness: 400 nit (Typ.)
Refresh Rate: 60Hz
Contrast Ratio: 1,000,000:1 (Dynamic)
Color Depth: 1.07B (8bit + FRC)
Viewing Angle: 178° x 178°
Response Time: 8ms (G to G)
Operation Hours: 16/7
Orientation: Portrait / Landscape
Connectivity
HDMI In: 3 (HDCP 2.2/1.4)
USB: 2 × USB 2.0 Type-A
Audio Out: Yes
RS232C: In/Out
RJ45 LAN: 1 Input
Wi-Fi (Built-in): Yes
Daisy Chain: No
Mechanical
Bezel Width (Off): 6.9 mm (top/sides), 18.4 mm (bottom)
Weight: 14 kg (head), 18.8 kg (packed)
Dimensions: 1235 × 715 × 57.5 mm
VESA Mount: 300 × 300 mm
Bezel Color: Ashed Blue
Software & OS
OS Version: webOS 6.0
Internal Memory: 16 GB eMMC
Features:
Local Content Scheduling
Screen Share & Rotation
Video Tagging (4 tags)
Fail Over, SNMP, Wake-on-LAN
SuperSign CMS, Control+, WB
Control Manager & Status Mailing
Brightness & Auto Sensors
Cisco Certified, Crestron Connected
Power & Efficiency
Power Supply: 100–240V~, 50/60Hz
Typical Power: 105 W
Max Power: 160 W
Smart Energy Saving: 73.5 W
Power Off: 0.5 W
DPM Mode: 0.5 W
Audio
Built-in Speakers: 2 × 10 W
Certifications
Safety: CB
EMC: FCC Class “A” / CE
Energy Efficiency: Energy Star Compliant
Included Accessories
Remote Control (w/ 2 Batteries)
Power Cord
Regulation Book
D-Sub9 Gender Adapter
Cable Holder

