The LG 55UL3J-N is a 55-inch 4K UHD digital signage display with 400 nits brightness, the webOS 6.0 signage platform, built-in 2x 10W speakers and Wi-Fi, rated for 16 hours a day, 7 days a week.
Key Features
55-inch 4K UHD (3840x2160) display
400 nits typical brightness
webOS 6.0 signage platform with built-in media player
Rated for 16/7 operation
Built-in 2x 10W speakers
Built-in Wi-Fi and LAN
3x HDMI inputs
Full Specifications
General
Brand
LG
Model
55UL3J-N
Part Number
55UL3J-N
Type
Digital signage display
Display
Screen Size
55 inch
Resolution
3840x2160 (4K UHD)
Brightness
400 nits (typ.)
Contrast Ratio
1,200:1
Operation
16 hours/day, 7 days/week
Connectivity
Inputs
3x HDMI, 2x USB 2.0, RJ-45 LAN, RS-232C in
Outputs
Audio out, RS-232C out
Wireless
Built-in Wi-Fi
Other
Platform
webOS 6.0
Speakers
2x 10W
VESA
300 x 300 mm
Weight
14.0 kg
Who Is It For?
Retail stores and showrooms
Corporate lobbies and offices
Restaurants and menu boards
Schools and public venues
Frequently Asked Questions
Can it play content without a PC? Yes, the webOS signage platform has a built-in media player.
How long can it run per day? It is rated for 16 hours a day, 7 days a week.
Order the LG 55UL3J-N from PC PARK with warranty and fast delivery across Saudi Arabia.
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Our Milestones
2023
Expanded our product catalog with the latest gaming and professional hardware, serving thousands of satisfied customers
2024
Launched our online store and delivery service, making tech accessible to customers across Saudi Arabia
2025
Reached a major milestone in customer satisfaction with enhanced after-sales support and warranty services
2026
Continuing to grow as Saudi Arabia's trusted destination for technology, gaming, and custom PC solutions
