Thursday, 22 October 2026 · 11 Jumada I 1448 AH Sun – Thu · 9:00 – 18:00
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This model is discontinuedThe manufacturer no longer makes it. Request a quote and we will propose the closest current replacement.
Suggested replacements ↓
LG Digital Signage Discontinued

75UM3E

LG 75UM3E 75-inch 350 nits UHD Digital Signage Display

Screen size
75"
Resolution
3,840 x 2,160 (UHD)
Brightness
350 nit
Operating temp.
0°C to 40°C
WhatsApp
Priceon request
QuotationWithin 1 working day
DeliveryConfirmed with your quote, based on stock
PDFDownload datasheet (75UM3E-BJ.pdf)
Overview

The LG 75UM3E is a 75-inch Ultra HD signage display rated at 350 nits typical, with an IPS panel and an embedded webOS platform that plays scheduled playlists without a separate PC. It suits lobbies, meeting rooms and retail floors in Qatar's air-conditioned buildings. LG has discontinued this model, so buyers should request a quote for a current equivalent or compatible replacement.

What the LG 75UM3E is built for

The LG 75UM3E is a 75-inch Ultra HD display designed for digital signage, the kind of screen that shows menus, wayfinding, promotions and information for long hours in one fixed location. Its 3,840 x 2,160 panel carries four times the pixels of a Full HD screen, so text and fine graphics stay crisp when people stand close. The IPS panel keeps colours consistent when viewers approach from the side, which matters in wide lobbies and concourses where audiences arrive from several directions.

With a typical brightness of 350 nits, the panel suits indoor areas with controlled lighting. It is not the right choice for a screen facing direct sunlight.

Content and scheduling without a separate PC

The webOS-based signage platform includes an embedded content management system. Staff can build content from internal and external sources, arrange playlists by time of day and run them directly on the display. Group Manager turns one master screen into a server for other displays on the same network, so a single playlist can reach a whole group at once. For sites spread across Qatar, Control Manager provides web-based monitoring of display status from any internet-connected device. The compatibility list names SuperSign CMS for content management and SuperSign Control+ or Control for monitoring.

Connections, presentation layouts and certified integrations

  • Three HDMI inputs, one DisplayPort input and output, DVI-D and two USB 2.0 ports
  • RS232C in and out, RJ45 and IR inputs for external control
  • OPS-compatible, with an optional OPS Kit (KT-OPSF) for a media player
  • Picture-by-picture for up to four sources, plus picture-in-picture layouts
  • Certified compatibility with Crestron Connected and Cisco Spark Room Kit systems

Picture-by-picture lets one screen split between up to four sources, such as a timetable, a live feed and a notice board. Wireless features include content mirroring over Wi-Fi, Beacon and Bluetooth Low Energy support for in-store promotions, and a virtual router mode that can act as a wireless access point for mobile devices.

Where it fits in Qatar

A hotel in Lusail could place two of these panels in its lobby, one showing arrivals and events and the other giving directions to conference rooms, both managed from one content system. A university building in Education City could use the picture-by-picture layout in a corridor to show a room timetable beside announcements. A company in West Bay running client meetings with teams abroad could fit a panel in a meeting room alongside a Cisco Spark Room Kit. Each of these settings is air-conditioned, which is the environment this model is rated for.

Planning the installation and what to do now

Plan the wall before the panel arrives. The head weighs 41.5 kg and the packed unit 49 kg, so the lift needs two people and the wall fixings should be checked. The VESA pattern is 600 x 400 mm, the monitor measures 1,682.4 x 960.3 x 57.9 mm without handle and logo, and the optional LSW640A/B wall mount is listed for this model. Power is built-in, with a supply range of 100 to 240 V at 50/60 Hz, drawing typically 160 W and at most 185 W. Operating temperature is 0°C to 40°C at 10% to 80% humidity, so keep it out of unconditioned courtyards and sun-exposed entrances, where Qatar summer temperatures can exceed 45°C. LG has discontinued the 75UM3E. If your organisation already owns one, or you are comparing displays, request a quote and SmartRooms Qatar will recommend a current equivalent or compatible replacement, with a free site survey before any wall-mounting.

Highlights

  • 75-inch Ultra HD (3,840 x 2,160) IPS panel
  • 350 nits typical brightness for indoor spaces
  • Embedded webOS signage platform with CMS and playlists
  • Group Manager and Control Manager for multi-screen control
  • Crestron Connected and Cisco Spark Room Kit certified
  • Discontinued by LG; request a quote for a replacement

Estimated timeline

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

Specifications

26 specifications · Source: manufacturer · checked Oct 2026
PANEL3
Screen Size
75"
Resolution
3,840 x 2,160 (UHD)
Brightness(Typ.,cd/m²)
350
CONNECTIVITY3
Input
HDMI (3), DP, DVI-D, Audio, USB 2.0 (2)
Output
DP, Audio (Off/Fixed/Variable)
External Control
RS232C in/out, RJ45 in, IR in
PHYSICAL SPECIFICATION6
Bezel Width
14.9mm (Even)
Monitor Dimension (W x H x D)
1,682.4 x 960.3 x 57.9 mm (w/o Handle and Logo)
Weight (Head)
41.5kg
Carton Dimensions (W x H x D)
1,816 x 1,123 x 228 mm
Packed Weight
49kg
VESA™ Standard Mount Interface
600 x 400 mm
ENVIRONMENT CONDITIONS2
Operation Temperature
0°C to 40°C
Operation Humidity
10% to 80%
POWER2
Power Supply
100 ~ 240V, 50/60Hz
Power Type
Built-In Power
POWER CONSUMPTION2
Typ.
160W
Max
185W
CERTIFICATION3
Safety
CB / NRTL
EMC
FCC Class "A"/CE/KC
ErP / Energy Star
Yes (EU Only) / Yes (Energy Star 8.0)
MEDIA PLAYER COMPATIBILITY1
OPS Type Compatible
Yes
SOFTWARE COMPATIBILITY2
Content Management Software
SuperSign CMS
Control and Monitoring Software
SuperSign Control+/Control
ACCESSORY2
Basic
Remote Controller, Power Cord, QSG, DP Cable (1.8M), Regulation Book, Phone to RS232C Gender
Optional
OPS Kit (KT-OPSF), Wall Mount (LSW640A/B)

Downloads

6 files from the manufacturer

Questions about 75UM3E

Is the LG 75UM3E still available, and what should I buy instead?
LG has discontinued the 75UM3E, so this page is for organisations that already own the model and buyers comparing displays. If you need a replacement, request a quote from SmartRooms Qatar. We will recommend a current equivalent or compatible model and check it against this panel's 75-inch size, 3,840 x 2,160 resolution, 600 x 400 mm VESA pattern and 0°C to 40°C operating range.
Who is this 75-inch display best suited to?
It suits indoor spaces that need a large, sharp screen for information and promotions, such as hotel lobbies, bank halls, clinic waiting areas, shopping mall units and corporate reception areas. It also works in medium-sized rooms and corridors where viewers stand at a comfortable distance. For a lecture hall or a very large boardroom, a larger panel may be a better fit. Request a quote and we will discuss viewing distance with you.
Will 350 nits be bright enough for a Doha lobby with large windows?
The typical brightness is 350 nits, which is designed for indoor use under controlled lighting. A lobby with floor-to-ceiling glass facing direct afternoon sun can reduce image clarity, so position the panel away from direct sunlight, use blinds, or choose a different wall. A free site survey from SmartRooms Qatar can check the lighting before we prepare your quotation.
Can I place it in a covered courtyard or an open majlis in Al Khor?
No. The operating temperature range is 0°C to 40°C and operating humidity is 10% to 80%. Summer temperatures in Qatar often exceed 45°C, so an unconditioned covered courtyard or open majlis is outside the rated environment. Keep the display in an air-conditioned room, and tell our team the exact location during the free site survey so we can confirm suitability before you order.
Do I need a separate PC to run playlists on this display?
No. The embedded content management system lets you create and edit content from internal and external sources, then set playlists to play at scheduled times. The compatibility list names SuperSign CMS as the content management software. If you need more processing power, the listed option is a media player fitted through the OPS slot.
How do I update several screens across a building at the same time?
Set one display as the master and Group Manager will make it act as a server for the other displays on the same network. You can group the screens and send one playlist to all of them at once. For screens in different locations, Control Manager lets a facilities team monitor status from any internet-connected device, so a fault at a branch in Al Rayyan can be seen from the head office in Doha.
Will it work with our video conferencing system in a West Bay meeting room?
The UM3E series has been certified for compatibility with Cisco Spark Room Kits and is listed as Crestron Connected for AV control integration. Confirm your exact room system model with SmartRooms Qatar before ordering, because certification applies to the listed products. The integration is intended to reduce time spent adjusting picture settings or switching inputs when calls arrive.
Can it show two different sources on screen at once?
Yes. Picture-by-picture mode can show up to four input sources on one screen, and picture-in-picture plays a main and a sub screen at the same time in several layouts. A university corridor in Education City, for example, could show a room timetable from one source beside notices from another. Plan how many inputs you need before ordering so the right connections are available.
What inputs and control ports does the LG 75UM3E have?
The display has three HDMI inputs, one DisplayPort input with a DisplayPort output, a DVI-D input, two USB 2.0 ports and audio connections. For control it provides RS232C in and out, an RJ45 input and an IR input. A remote controller and a 1.8 m DisplayPort cable are supplied. Check your cabling and control requirements for the room before ordering.
Can I add a media player to this model?
Yes, the display is OPS-compatible. The listed optional accessory is the OPS Kit (KT-OPSF), which is used to add a media player. This is useful when you want to run heavier content from a dedicated player instead of the display's built-in platform. Ask for a quote that includes the OPS Kit if you need it.
What should I plan before wall-mounting a 75-inch panel in a Lusail hotel lobby?
Plan for the weight and the mounting system. The head weighs 41.5 kg and the packed unit weighs 49 kg, so the wall structure and fixings need checking and the panel should be lifted by two people. The VESA pattern is 600 x 400 mm, and the optional LSW640A/B wall mount is available. SmartRooms Qatar offers a free site survey before installation and can help plan the cable and power route.
Can a school in Al Wakrah order several units under one LPO?
Yes. SmartRooms Qatar accepts purchase orders (LPOs) and government tenders, and payment can be made by bank transfer, cheque or purchase order. For several units, send the quantities and the rooms or corridors each screen will serve. We will prepare one quotation covering delivery to all eight municipalities of Qatar and professional installation. Because this model is discontinued, we will also suggest a replacement if needed.

Suggested replacements

LG 75UH5F-H LG 75UH5F-H 75-inch UHD Standard Signage Display
75″ 3840 x 2160 (UHD) 500nit (Typ.)
LG 75UH5J-H LG 75UH5J-H 75-inch 4K UHD Standard Signage Display
75″ 3840 x 2160 (UHD) 500nit (Typ.)
LG 75UH5N-M LG 75UH5N-M 75-inch UHD Signage Display
75″ 3840 x 2160 (UHD) 500nit (Typ.)
LG 75UH5Q-E LG 75UH5Q-E 75-inch 4K UHD Digital Signage Display
75″ 3840 x 2160 (UHD) 500nit(Typ.)
LG 75UH5Q-GQ LG 75UH5Q-GQ 75-inch 4K UHD Digital Signage Display
75″ 3840 x 2160 (UHD) 500nit (Typ.)

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