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55" UL3G-B Series IPS UHD Commercial Display Monitor with Built-in Quad Core SoC, webOS 4.0 Smart Signage Platform, Crestron & Cisco compatible & built-in speaker



  • webOS 4.0 Smart Signage Platform
  • Certified Crestron Connected® / Compatible with Cisco System
  • Brightness(Typ.) : 400 nits
  • Bezel : 15.5 mm (R/L/T) / 22.3 mm (B), Depth : 87.1 mm

Quick Specs

  • Type: 50 - 59 LED-LCD TV
  • Energy Star Rated: No

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Clear Color Expression of UHD Content

An Ultra HD large display, the 55UL3G will improve business productivity in any location. All content is delivered in vivid colors and with fine details, giving audiences a clearer viewing experience.

ULTRA HD Resolution

With the resolution that is four times higher than FHD, the 55UL3G digital signage makes colors and details more vivid and realistic. In addition, LG's IPS wide viewing angle provides rich, clear content with virtually no distortion.

*Image for illustration purposes only.

High Efficiency Video Coding

The 55UL3G supports HEVC* which efficiently compresses/decompresses high-capacity UHD content, playing ultra-high quality videos with half the network traffic of the existing H.264 codec.

*HEVC: High Efficiency Video Coding. *Image for illustration purposes only.

High Performance SoC with webOS

Built-in Quad Core SoC can execute several tasks at once while providing smooth content playback without the need for a media player. Also, LG webOS smart signage platform enhances user convenience with intuitive GUI and simple app development tools.

Various Sensor Applications

LG webOS smart signage platform easily supports connections with external sensors such as GPIO, NFC/RFID, temperature & humidity, etc., via USB plug-in. The overall cost for maintenance is reduced as there's no need to purchase additional software or media players and related cables for creating value-added solutions.

Compatibility with AV Control Systems

The 55UL3G digital signage display has been Crestron Connected® certified for high compatibility with professional AV controls to achieve seamless integration and automated control*, boosting business management efficiency.

*Network-based control.

Compatibility with Conferencing System

The certification of compatibility between the 55UL3G and Cisco Systems that offer powerful and integrated control* for video conferencing is in progress. It will promote the optimal visual meeting by reducing the time spent setting up picture quality or changing input on incoming calls.

*Using an HDMI cable connection.

Remote Monitoring and Control

Through the Control Manager, the embedded web monitoring solution, you can control and monitor the status of multiple 55UL3G displays in different locations in real-time. It is available on internet-connected devices, allowing you to flexibly and rapidly respond to emergency situations virtually anywhere.

Real-time Care Service with LG Signage 365 Care

Maintenance gets easier and faster with the optional Signage 365 Care*, a cloud service solution provided by LG service. It remotely manages status of commercial displays in client workplaces for fault diagnosis and remote-control services, ensuring the stable operation of a client's business.

*The availability of Signage 365 Care service can vary by region, so please contact the LG sales representative in your area for further details.


  • webOS 4.0 Smart Signage Platform
  • Certified Crestron Connected® / Compatible with Cisco System
  • Brightness(Typ.) : 400 nits
  • Bezel : 15.5 mm (R/L/T) / 22.3 mm (B), Depth : 87.1 mm
  • Interface : HDMI(3), USB 2.0(2), RS232C In/Out, RJ45 In, IR In, Audio Out
  • Built-in Speaker
Screen Size 55"
Panel Technology IPS
Native Resolution 3,840 x 2,160 (UHD)
Brightness (Typ.) 400 nit
Contrast Ratio 1,200:1
Dynamic CR 1,000,000 : 1
Color Gamut DCI 80 %
Viewing Angle (H x V) 178 x 178
Color Depth 16.7 Million Colors (8 bit)
Response Time 8ms (G to G)
Surface Treatment (Haze) Haze 1%
Operation Hours (Hours / Day) 16/7
Portrait / Landscape Portrait & Landscape
Input HDMI (3, HDCP 2.2 / 1.4), USB 2.0 Type A (2)
Output Audio
External Control RS232C In / Out (4 Pin Phone Jack), RJ45 (LAN) In
Bezel Color Ceramic Black
Bezel Width 15.5 mm (R/L/T) / 22.3 mm
Weight (Head) 14.3 kg
Monitor Dimensions (W x H x D) 1,244 x 726 x 87.1 mm
Monitor Dimensions with Stand (W x H x D) 1,244 x 786 x 231 mm
Handle No
VESA™ Standard Mount Interface 300 x 300 mm
Key Feature Internal Memory 8 GB, Built-In Wi-Fi, Temperature Sensor, Auto Brightness Sensor, Local Key Operation (Power On / Off Only), webOS 4.1, Embedded CMS (Local Contents Scheduling, Group Manager), USB Plug & Play, Fail Over, Background Image (Booting Logo Image, No Signal Image), Sync Mode (RS-232C Sync, Local Network Sync), Screen Share, Video Tag (4, Max One HDMI Input), Play via URL, Gapless Playback, Setting Data Cloning, SNMP, ISM Method, Auto Set ID, Status Mailing, Control Manager, Crestron Connected®, Smart Energy Saving, PM Mode, Wake on LAN, Beacon, HDMI-CEC, SI Server Setting, webRTC, Pro: Idiom
Operation Temperature 0 °C to 40 °C
Operation Humidity 10 % to 80 %
Power Supply AC 100 - 240 V ~, 50 / 60 Hz
Power Type Built-In Power
Power Consumption (Typ. / Max.) 105 W / 155 W
Power Consumption [BTU (British Thermal Unit]) 359 BTU/Hr (Typ.), 529 BTU/Hr (Max.)
Speaker Yes
Safety CB / UL (TBD)
EMC FCC Class "A" / CE / KC (TBD)
ErP Yes
Software Compatibility SuperSign CMS, SuperSign Control / Control+, SuperSign WB, SuperSign Media Editor, Signage365Care
Basic Remote Controller, Power Cord, Regulation Book, Phone to D-Sub9 Gender, Stand, Cable Holder

Quick Specs

  • Appearance

  • Type: 50 - 59 LED-LCD TV

  • Features

  • Energy Star Rated: No

  • Panel

Professional delivery and installation is available for every product we sell. We would be happy to coordinate delivery and installation for you.

Extended warranties are usually very inexpensive and can save you thousands in the future. It's simple and inexpensive to purchase extended warranties and one of the smartest ways to protect your investment.

Electronics can be large, heavy and expensive. You probably don't have the special tools or expertise needed to fix them in a crisis. If you can spare a few thousand dollars without batting an eyelash for new electronics should they break tomorrow, don't buy a warranty. But if you're like most of us, protect yourself by purchasing inexpensive extended warranties when you buy a new product and save yourself big money in the long run.