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LG 55UL3J-E Digital signage display 139.7 cm (55') IPS 400 cd/m² 4K Ultra HD Blue Built-in processor Web OS 16/7

LG 55UL3J-E Digital signage display 139.7 cm (55') IPS 400 cd/m² 4K Ultra HD Blue Built-in processor Web OS 16/7

55", 4K UHD (3840x2160), ADS, 400 nit, 1200:1, 60 Hz, Wi-Fi, SoC, SuperSign CMS, Pro:Idiom, webOS 6.0

  • Brightness(Typ.) : 400 nits
  • Resolution : ULTRA HD (3,840 x 2,160)
  • EPEAT Registered
  • webOS-based High Performance
  • Compatible with LG's One:Quick Share
  • Compatible with AV Control Systems
  • SKU:8806084396815
  • GTIN/EAN:8806084396815
  • MPN:55UL3J-M

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Superb Picture Quality with Ultra HD Resolution
With the resolution of UHD, it makes the color and details of the contents vivid and realistic. In addition, the wide viewing angle applied with an IPS panel, provides clear contents.

Sophisticated Slim Design
This series is thin in bezel size and thickness, which saves space and enables easy installation. In addition, it increases the immersive experience from the screen and provides a sophisticated design, improving the décor of the space where the product is installed.

High-Performance with LG webOS 6.0
LG webOS 6.0, upgraded in SoC and web engine, is available on UL3J series for a smooth execution of several tasks. LG webOS smart signage platform enhances user convenience with intuitive GUI.

Various Sensor Connection
LG webOS smart signage platform helps to easily provide value-added solutions by supporting simple connections with external sensors such as GPIO, NFC/RFID, temperature sensors, etc., via USB plug-in.

LG's Simple Advertisement Helper, Promota
Using LG's Promota application, downloadable on a mobile device, you can easily create your own display contents. With Promota, you can add text and images to create an online profile for your business as well as deliver information such as event news, seasonal menus, promotions, and even more to your customers while recommending easy-to-use templates relevant to your industry.

LG’s Wireless Screen Sharing Solution, LG One:Quick Share
LG One:Quick Share is a wireless screen sharing solution available through the UL3J series, USB transmission unit, and its app. You can simply share personal PC screen to the display with it's USB dongle button and embedded Wi-Fi, and can adjust the basic setting values (volume, picture mode, auto bright, etc.) of the connected display without a remote control. Also, the Office Meeting Mode helps you to display the agenda, note before the meeting starts.

Remote Monitoring and Control
This web-based monitoring solution is user-friendly and allows the user to be at ease. It enables the user to have full access anywhere at anytime from their mobile phone & PC under network-accessible environment while having access to both current and past data. It allows the user to monitor the unit, make adjustments and control the unit remotely in real time.

Compatible with AV Control Systems
The UL3J series supports Crestron Connected for high compatibility with professional AV controls to achieve seamless integration and automated control, boosting business management efficiency.

Compatible with Video Conference System
For effective visual meeting, the UL3J series supports its compatibility with Cisco solutions that offers powerful and integrated control for a smarter video conference.

Easy Menu Setup for
Vertical Needs

UL3J series increases users' convenience by organizing frequently used menus by industry.

Easy Content Distribution &
SW Update

UL3J series features embedded Wi-Fi making it easy to distribute content wirelessly and update Firmware under the same network.

Wireless Access Point
UL3J series operates as a virtual router which can be an wireless access point for mobile devices.

Built-in Speaker
Contents will be enriched with sound effects from built-in speakers, without the need for purchasing or installing external speakers.

Real-Time LG ConnectedCare Service
Maintenance is easy and fast with the optional LG ConnectedCare service, a cloud service solution provided by LG. It remotely manages the status of displays in client workplaces for fault diagnosis and remote-control services, supporting the stable operation of clients' businesses.

Haze rate
Panel type
Native refresh rate
60 Hz
Display number of colours
1.07 billion colours
Viewing angle, vertical
Viewing angle, horizontal
Contrast ratio (dynamic)
Contrast ratio (typical)
HD type
4K Ultra HD
Display brightness
400 cd/m²
Display resolution
3840 x 2160 pixels
LED backlighting type
LED backlight
Display technology
Display diagonal
139.7 cm (55")
Ports & interfaces
Ethernet LAN (RJ-45) ports
Ethernet LAN
USB version
USB ports quantity
USB port
DVI port
HDMI input ports quantity
HDMI ports quantity
Built-in speaker(s)
Bezel width (bottom)
1.84 cm
Bezel width (side)
6.9 mm
Bezel width (top)
6.9 mm
Panel mounting interface
300 x 300 mm
VESA mounting
Placement supported
Product colour
Product design
Digital signage flat panel
HDCP version
Operating hours (hours/days)
On Screen Display (OSD)
On Screen Display (OSD) languages
Arabic, Simplified Chinese, Traditional Chinese, Czech, Danish, German, Dutch, English, Spanish, Finnish, French, Greek, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Swedish, Turkish
Energy efficiency scale
A to G
AC input frequency
50 - 60 Hz
AC input voltage
100-240 V
Energy consumption (SDR) per 1000 hours
102 kWh
Energy efficiency class (SDR)
Power consumption (standby)
0.5 W
Power consumption (max)
160 W
Power consumption (typical)
105 W
Computer system
Operating system version
Operating system installed
Web OS
Internal memory
16 GB
Computer system type
System on Chip (SoC)
Computer system
Weight & dimensions
Display weight
14 kg
Display height
715 mm
Display depth
57.5 mm
Display width
1235 mm
Packaging data
Package weight
18.8 kg
Package height
810 mm
Package depth
162 mm
Package width
1360 mm
Packaging content
Cables included
AC, Phone
Remote control included
Operational conditions
Operating relative humidity (H-H)
10 - 80%
Operating temperature (T-T)
0 - 40 °C
Technical details
Real Time Clock (RTC)
Other features
Plug and Play
Power consumption (PowerSave)
73.5 W