LG 55UL3Q-E 55-inch UHD Digital Signage Display

Overview

The LG 55UL3Q-E is a 55-inch UHD signage display with a 3840 x 2160 native resolution, 350 nit typical brightness and a built-in brightness sensor that adjusts output to the room. It runs webOS 6.1, supports remote monitoring from a PC or phone, and works in portrait or landscape. It suits retail corridors, reception areas and clinic waiting rooms across Qatar.

What the 55UL3Q-E shows on screen

The LG 55UL3Q-E is a 55-inch signage display built on a 3840 x 2160 UHD panel with a 16:9 aspect ratio. Its direct-lit backlight is rated at 350 nit typical brightness and 1,200:1 contrast, and the 10-bit panel reproduces 1.07 billion colours. Colour gamut is listed as DCI 80%, and the glass carries a 1% haze surface treatment. Viewing angles are rated at 178 degrees horizontally and vertically, so people approaching a wall from the side can still read the content. The panel is rated for a minimum of 30,000 hours and for 16 hours a day, seven days a week.

Features that matter in daily operation

webOS 6.1 platform: the unit runs webOS 6.1 with local content scheduling, group management and fail-over behaviour handled on the display.
Remote monitoring: a web-based tool lets staff check status, make adjustments and control the unit in real time from a PC or mobile phone, with access to current and past data.
Automatic brightness: a front-mounted sensor adjusts output to suit room lighting, and the smart energy saving mode is listed at 68.6 W.
Security: Enhanced Kernel Protection (EKP) guards against unauthorised access, and the platform is validated to ISO/IEC 15408 Common Criteria EAL2.

Where it fits in Qatar

Fifty-five inches is a practical size for corridors, reception walls and waiting areas where people read from a few metres away.

Retail and malls: a shop front or mall corridor in West Bay or Lusail showing offers and wayfinding, with portrait mode suiting directory-style layouts.
Banks and government service centres: a queue-information screen at a branch in Msheireb, with on-screen menus that can be switched to Arabic alongside English.
Clinics and hospitals: a waiting-room screen in Al Sadd or Al Rayyan showing patient information, with content updated from one office through remote monitoring.
Universities and schools: a corridor display in Education City or a private school in Al Wakrah, with schedules changing between teaching blocks.

Heat, power and connectivity planning

Qatar summers regularly exceed 45°C, so this display belongs in an air-conditioned space. The rated operating range is 0°C to 40°C, or 0°C to 35°C in portrait orientation, with humidity between 10% and 80%. Keep it away from windows that receive direct sun and from entrances that open onto outdoor heat.

Power input is AC 100-240V, 50/60Hz, with the power supply built in. Typical consumption is 98 W and maximum is 154 W. A power cord is supplied, so confirm its plug type with the SmartRooms Qatar team before delivery. Connections include one HDMI input with HDCP 2.2/1.4, one RJ45 LAN port, RS232C input and output, two USB 2.0 Type A ports and an audio output. Wi-Fi and Bluetooth are built in, and the unit has no touch function.

Mounting and what to plan for

The display uses a 300 x 300 VESA mounting interface and has a head weight of 12 kg. Its dimensions are 1234.2 x 706.7 x 58.9 mm, and the 10.8 mm even black bezel keeps spacing consistent when several units sit side by side. The screen tilts up to 15 degrees up or down, and this range must not be exceeded. A free site survey before wall mounting checks wall strength, cable routes and the height needed for eye-level viewing.

The box includes a remote controller with two batteries, a power cord, a phone-to-D-Sub 9 gender adapter, an easy setup guide, a regulation book and the warranty card, and the manufacturer's warranty applies. The optional LG ConnectedCare cloud service is purchased separately and its availability differs by region, so ask about it when you request a quote.

Tell the SmartRooms Qatar team how many units you need, where they will be mounted and whether they will form a tiled group. We will reply with a quotation, usually within one working day. Supply, delivery to all eight municipalities, professional installation, purchase orders (LPOs) and government tenders are all available. Request a quote today.

Highlights

55-inch 3840 x 2160 UHD panel with 16:9 aspect ratio
350 nit typical brightness with built-in brightness sensor
webOS 6.1 with remote monitoring from PC or mobile
Portrait and landscape orientation both supported
Even 10.8 mm black bezel for tiled layouts
Rated operating range 0°C to 40°C, 35°C in portrait

Estimated timeline

Quotation within 1 working day · delivery timing depends on stock availability, and we confirm it with your quotation.

Specifications

99 specifications · Source: manufacturer · checked Oct 2026

INFO3

Product: Standard (UHD)
Year: Y25
Month: M05

PANEL17

Screen Size (Inch): 55"
Panel Technology: ADS
Back Light Type: Direct
Aspect Ratio: 16:9
Native Resolution: 3840 x 2160 (UHD)
Refresh Rate: 60Hz
Brightness: 350nit (Typ.)
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 (Number of Colors): 10bit, 1.07Billion colors
Response Time: 8ms (G to G)
Surface Treatment (Haze): 1%
Life time: 30,000Hrs (Min)
Operation Hours (Hours/Day): 16/7
Portait / Landscape: Yes / Yes

Connectivity (Jack Interface)7

HDMI IN: Yes(1), HDCP 2.2/1.4
RJ45(LAN) IN: Yes (1)
RS232C IN: Yes (1), 4pin Phone-jack
USB IN: USB2.0 Type A(2)
Audio Out: Yes(1)
Touch USB: N/A
RS232C Out: Yes(1)

MECHANICAL7

Bezel Color: Black
Bezel Width: 10.8mm Even
Weight (Head): 12
Packed Weight: 15.4
Monitor Dimensions (W x H x D): 1234.2 X 706.7X 58.9
Carton Dimensions (W x H x D): 1380 X 118 X 825
VESA™ Standard Mount Interface: 300 x 300

HW FEATURE6

Internal Memory (eMMC): 8GB
Wi-Fi/BT (Built-in): Yes
Temperature Sensor: Yes
Auto Brightness sensor: Yes
Acceleration(Gyro) Sensor: Yes
Local Key Operation: Yes (Power On/Off only)

SW FEATURE33

OS Ver. (webOS): webOS6.1
Local Contents Scheduling: Yes
Group Manager: Yes
USB Plug & Play: Yes
Fail over: Yes
Booting Logo Image: Yes
No Signal Image: Yes
RS232C Sync: Yes
Local Network Sync: Yes
Screen Share: Yes
Video Tag: Yes(4, Max One HDMI input)
Play via URL: Yes
Screen Rotation: Yes
External Input Rotation: Yes
Gapless Playback: Yes
Tile Mode Setting: Yes
Setting Data Cloning: Yes
SNMP: Yes
ISM Method: Yes
Auto Set ID: Yes
Status Mailing: Yes
Control Manager: Yes
Cisco Certification: Yes(TBD)
Crestron Connected: Yes
Smart Energy Saving: Yes
PM mode: Yes
Wake on LAN: Yes
Network Ready: Yes
Beacon: Yes
HDMI-CEC: Yes
SI Server Setting: Yes
webRTC: Yes
Pro:Idiom: Yes

ENVIRONMENT CONDITIONS2

Operation Temperature: 0 °C to 40 °C (Portrait Scene : 0 °C to 35 °C)
Operation Humidity: 10 % to 80 %

POWER2

Power Supply: AC 100-240V~, 50/60Hz
Power Type: Built-In Power

POWER CONSUMPTION6

Typ.: 98 W
Max.: 154 W
BTU (British Thermal Unit): 334.390BTU/Hr(Typ.), 525.4697BTU/Hr(Max.)
Smart Enegy Saving (70%): 68.6W
DPM: 0.5 W
Power off: 0.5 W

SOUND1

Speaker (Built-in): Yes (10W X 2)

CERTIFICATION4

Safety: CB
EMC: FCC Class "B" / CE
ErP / Energy Star: Yes (NewErP) / Yes
ePEAT(US only): Yes

SOFTWARE COMPATIBILITY6

SuperSign CMS: Yes
SuperSign Control+: Yes
SuperSign WB: Yes
SuperSign Cloud: Yes
Mobile CMS: Yes
Connected Care: Yes

Language1

OSD: English, French, German, Spanish, Italian, Korean, Chinese(Simplified), Chinese(Original), Portuguese(Brazil), Swedish, Finnish, Norwegian, Danish, Russian, Japanese, Portuguese(Europe), Dutch, Czech, Greek, Turkish, Arabic, Polish

ACCESSORY1

Basic: Remote Controller(include battery 2ea), Power Cord, Regulation Book, Easy setup guide, Warranty Card, Phone to D-Sub9 Gender

SPECIAL FEATURE3

Tilt (Face up): 15 degree
Tilt (Face Down): 15 degree
Conformal Coating (Power Board): Yes

Downloads

7 files from the manufacturer

PDF Datasheets UL3Q_Datasheet(low)_LG UHD Signage_250730_20250820_102059_.pdf 1.7 MB PDF Manuals & guides MFL05801001_03_Q_251216.pdf 932 KB PDF Manuals & guides MFL05821104_02_B_FP.GS_260414.pdf 3.5 MB PDF Manuals & guides OM_ARA.pdf 1.3 MB PDF Manuals & guides WebOS 6.0. 6.1_ENG.pdf 4.9 MB URL Manuals & guides · Opens on manufacturer site User Guide URL Software & firmware · Opens on manufacturer site Software & Drivers (support page)

Questions about 55UL3Q-E

What is the LG 55UL3Q-E designed for?

The LG 55UL3Q-E is a 55-inch UHD signage display for promotions, wayfinding, information and announcements in public and commercial spaces. Its 3840 x 2160 resolution, 350 nit typical brightness and 178-degree viewing angles keep text and images readable in corridors, reception areas and waiting rooms. It suits organisations that manage content from a central office and need reliable screens running continuously in Qatar.

Can it run in portrait orientation for wayfinding?

Yes. The display supports both portrait and landscape orientation, which suits directory boards and vertical signs in a mall in Msheireb or a hospital lobby in Doha. Portrait operation is rated from 0°C to 35°C, compared with 0°C to 40°C in landscape, so confirm the room temperature and mounting position with the SmartRooms Qatar team before ordering.

Will it cope with Qatar's summer heat?

The rated operating temperature is 0°C to 40°C, with humidity between 10% and 80%. Summer temperatures in Qatar can pass 45°C, so install the display in an air-conditioned room, away from windows that take direct sun and from doors that open onto outdoor heat. Outdoor or open-sided installation is outside the rated range and should be discussed with the team before ordering.

How do I manage several screens across different sites?

Each unit can be monitored and controlled from a PC or mobile phone through the web-based remote tool, with access to current and past data. Scheduling, group management, SNMP and compatibility with SuperSign CMS let a facilities team in Doha update screens at a logistics site in the Industrial Area or a branch in Al Khor. Confirm the network setup with the SmartRooms Qatar team.

Does the on-screen menu support Arabic?

Yes. The on-screen display language list includes Arabic, along with English, French, German and many other languages. This suits Qatari offices, government counters and schools where staff work in Arabic and English side by side. Users can switch the menu language after installation, so one screen can serve both language groups.

Which ports and connections are included?

The display has one HDMI input with HDCP 2.2/1.4, one RJ45 LAN input, one RS232C input and one RS232C output, two USB 2.0 Type A ports and one audio output. Wi-Fi and Bluetooth are built in, and the unit has 8GB of internal memory. There is no touch function, so this model suits playback and information display rather than interactive touch use.

Can I build a video wall with several 55UL3Q-E units?

The bezel is listed at 10.8 mm even, and the unit includes a Tile Mode Setting function for arranging several displays in a tiled layout. Plan the wall size, number of units and cable routes before ordering. A free site survey from SmartRooms Qatar helps confirm spacing and mounting before the final quotation is issued.

What does the built-in brightness sensor do?

The front-mounted sensor adjusts screen brightness to match room lighting without manual changes, so one unit can suit a bright reception area and a dimmer corridor showing the same content. The manufacturer links this to energy efficiency, and the smart energy saving mode is listed at 68.6 W.

How much power does it use, and what supply does it need?

Typical consumption is 98 W and maximum is 154 W, with 0.5 W in power-off mode. The power input is AC 100-240V, 50/60Hz, which covers Qatar's 240 V, 50 Hz mains supply. A power cord is included, but confirm its plug type with the SmartRooms Qatar team before delivery and plan a socket near the mounting point.

What mounting hardware and wall space do I need?

The unit uses a 300 x 300 VESA interface, has a head weight of 12 kg and measures 1234.2 x 706.7 x 58.9 mm. Choose a VESA-compatible bracket and a wall able to carry the weight. The screen tilts up to 15 degrees up or down, and the manufacturer advises not to exceed that range to prevent damage.

Can a school or government office buy this through an LPO?

Yes. SmartRooms Qatar accepts purchase orders (LPOs) and government tenders, including Monaqasat, and payment by bank transfer, cheque or purchase order. A school fitting out a corridor with several 55-inch screens can issue one LPO covering all units. Request a quote with the quantity, mounting locations and delivery municipality, and we will reply with a quotation usually within one working day.

Is the platform secure enough for business content?

The UL3Q series uses LG's Enhanced Kernel Protection (EKP) technology to guard against unauthorised access. The platform is validated to ISO/IEC 15408 Common Criteria EAL2, which gives organisations that show sensitive material on screen added assurance. Ask your IT team to review network placement and access rules as part of installation planning.