The LG 55UL3J-N is a discontinued 55-inch UHD digital signage display featuring an IPS panel, 400-nit brightness, and built-in webOS 6.0. Smart-Boards, an authorised LG reseller based in Dubai, supports procurement for schools, ministries, and enterprises across the GCC and Africa.
This 55-inch commercial display delivers 3840 x 2160 resolution on an IPS panel with a 16:9 aspect ratio. It operates for up to 16 hours daily, offering 400 nits of brightness and a 1,300:1 contrast ratio. The device includes built-in Wi-Fi, three HDMI inputs, and RS232C connectivity for reliable network management in public spaces.
Running on webOS 6.0, the unit supports LG SuperSign CMS for content scheduling and screen sharing via One:Quick Share. It weighs 14.0 kg and fits standard 300 x 300 mm VESA mounts. Although discontinued, Smart-Boards assists buyers in the GCC and Africa with availability checks or recommends current successor models for multi-site deployments.
Key features
- 4K UHD IPS Panel - Features a 55-inch screen with 3840 x 2160 resolution, 178° viewing angles, and 400 nits brightness for clear visibility in well-lit environments.
- webOS 6.0 System - Built-in operating system enables easy content management, app integration, and compatibility with LG SuperSign CMS for centralized control.
- Commercial Durability - Engineered for 16-hour daily operation with a duty cycle supporting 7 days a week use, ensuring reliability for continuous digital signage applications.
- Flexible Connectivity - Includes three HDMI inputs, RJ45 LAN, RS232C, and two USB 2.0 ports for versatile connection options to media players and control systems.
- Built-in Audio - Integrates a built-in speaker for standalone audio output, reducing the need for external sound systems in lobby or retail displays.
Ideal for: Suitable for corporate lobbies, retail environments, and educational facilities across the GCC and Africa requiring reliable 4K digital signage.
Request a quote: email info@procure.ae or call +971 4 546 5041. Smart-Boards: supply and shipping across the GCC and Africa, installation in the UAE.
General
- Model
- 55UL3J-N
- Product type
- Digital Signage Display
- Key features
- webOS 6.0, SuperSign CMS, SuperSign Control and Control+, SuperSign WB, SuperSign Media Editor, Signage 365 Care, Crestron Connected, screen share
- Orientation
- Portrait and landscape
Display
- Brightness
- 400 cd/m²
- Colour depth
- 10-bit, 1.07 billion colours
- Refresh rate
- 60 Hz
- Resolution
- 4K UHD
- Screen size
- 55"
- Viewing angle
- 178° x 178°
- Aspect ratio
- 16:9
- Colour gamut
- DCI 80%
- Contrast ratio
- 1,300:1
- Panel technology
- IPS
- Response time
- 8 ms
System
- Operating system
- webOS 6
- Storage
- 8 GB
- Operating hours
- 16 hours a day, 7 days a week
Connectivity
- Wi-Fi
- Built-in
- Ports
- HDMI In × 3, RS232C In/Out, RJ45 (LAN) In, USB 2.0 × 2, Audio Out
Camera & audio
- Speaker output
- Built-in speaker
Physical & warranty
- In the box
- Remote controller (2 batteries), power cord, regulation book, phone to D-Sub 9 gender, cable holder
- Operating humidity
- 10% to 80%
- Operating temperature
- 0 to 40 °C
- Power consumption
- 73.5 W (smart energy saving)
- Standby power
- 0.5 W
- Dimensions
- 1235 x 715 x 57.5 mm
- Weight
- 14.0 kg
- VESA mount
- 300 x 300 mm
- Input voltage
- 100–240 V AC, 50/60 Hz
- Power source
- Built-in power
- Certifications
- CB, FCC Class A, CE, ErP (OldErP for Jordan), Energy Star
How do I get a price for this product?
Do you deliver across the GCC and Africa?
Do you offer installation and setup?
Is there a warranty?
Can I order in bulk for schools or offices?
What is the screen resolution of this model?
It provides 3840 x 2160 (4K UHD) resolution on a 55-inch IPS panel, ensuring sharp text and detailed imagery for professional displays.
Does this display include webOS?
Yes, it runs on webOS 6.0, allowing for direct content streaming, app usage, and integration with LG SuperSign CMS for remote management.
Which countries receive delivery?
Smart-Boards ships to UAE, KSA, Qatar, Kuwait, Oman, Bahrain, and select African countries via established logistics partners, with pricing confirmed on quotation.
Is on-site installation available outside the UAE?
On-site installation is provided within the UAE only. Other regions receive delivery ready for local setup, with remote guidance available if needed.
What are the display dimensions?
The unit measures 1235 x 715 x 57.5 mm and weighs 14.0 kg, designed for standard 300 x 300 mm VESA wall or stand mounting.
What is the maximum daily operating time?
The display is rated for a duty cycle of 16 hours a day, 7 days a week, suitable for most commercial digital signage environments.
Does it support screen sharing?
Yes, it is compatible with LG One:Quick Share, enabling easy wireless content projection from laptops and mobile devices for presentations.
Delivery across the GCC & Africa
We ship to the UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, Oman and across Africa at the lowest possible cost through established logistics partners. Lead times and freight are stated clearly in your quotation.
On-site installation in the UAE
Professional installation, mounting and configuration are available within the UAE. Outside the UAE the product arrives ready for local installation, with remote setup guidance from our team.
- Export-grade packing and transit insurance
- Procurement-ready documents for tenders and projects
- Wall mount or mobile stand fitting (UAE)
- Manufacturer warranty, optional annual maintenance contract
Ready to equip your space?
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