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75" Ultra HD Large Display


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The UM3C Series has been designed to deliver Ultra HD content across large screens, providing clear images, vivid video and crisp text. The UM3C Series supports a divided content layout to show up to 4 split images on one screen, allowing users to effectively deliver different messages at the same time. The UM3C Series is built for spaces such as meeting rooms, hotel lobbies and public spaces. The UM3C has also been Crestron Connected Certified, providing easy connectivity and management in office environments.

  • Size: 75"
  • Brightness(Typ.): 350cd/m²
  • Bezel: 14.9 mm Even Bezel
  • Depth: 57.9mm (without logo/handle)
  • Interface: DP, HDMI, DVI, RS232C, RJ45, Pixel Sensor, SD Card, USB 3.0

Key Points

  • Outstanding Ultra HD content playback with embedded HEVC decoder
  • Easy collaboration supported by multi screen layout and USB content playback
  • Crestron Connected Certification for easy integration into Crestron Connected environments for seamless integrated control
  • High-performance webOS with a convenient user interface and makes for easy multi-task execution
  • Slim depth and even bezel for sleek look and easy installation


Outstanding Picture Quality

Ultra HD Resolution

Ultra HD large screen delivers an immersive viewing experience with 4 times higher definition picture quality than FHD, which enables to describe fine details without distortion. Especially UM3C series ensures stable UHD video playback by supporting HEVC* that offers double data compression ratio at the same level of video quality compared to the conventional H.264.

*HEVC: High Efficiency Video Coding Highly Reliable

Ultra HD Resolution

Convenience & Connectivity Features

Multiple screen by PBP/PIP

PBP (Picture-By-Picture) features multi screen in a single display with upto 4 input sources, thus maximizing the usability of large UHD display. In addition, PIP (Picture-InPicture) supports playing both main screen and sub screen at the same time with various layouts, so that users can arrange many different usage scenarios efficiently.

Multiple screen by PBP/PIP

USB Content Playback and Scheduling

Content can be played and scheduled simply through USB, so additional server connection is not required, enabling easy content management.

USB Content Scheduling

Wireless Solution

The UM3C Series supports wireless services for more optimized user experience with built-in Wi-Fi(802.11n). Mirroring supports sharing content among devices on a Wi-Fi network and Soft AP makes the display operate as a wireless access point for other digital devices.

Wireless Solution

Crestron Connectivity

Crestron Connected Certification

The UM3C Series is Crestron Connected Certified, meaning that you can seamlessly integrate it into Crestron Connected environments.

Crestron Connected Certification

OPS Media Player Compatibility

OPS / HDBaseT Connectivity

The UM3C provides an OPS (Open Pluggable Specification) Kit to connect a third-party OPS player or HDBaseT box. Users have the flexibility to choose any media player as long as it complies with the OPS.

OPS / HDBaseT Connectivity

Smart Platform

Quad Core SoC* can execute several tasks at the same time without a separate media player player. Due to its internal memory (8GB), pre-loaded pre-loaded content is displayed without the need for external inputs and/or content displayed without external inputs. In addition, the webOS platform enhances user convenience with intuitive UI and simple app development tools.

*System on Chip

Smart Platform

Sleek Design

Slim Depth & Even Bezel

The slim depth and even bezel helps with easy installation and has a sleek look.

Slim Depth & Even Bezel

Detachable Logo

The detachable logo allows for installation in landscape or portrait mode*.

Detachable Logo

*86UM3C only supports landscape mode.


75UM3C Specifications
Screen Size 75" (76.33" diagonal)
Panel Technology IPS
Aspect Ratio 16 : 9
Native Resolution 3,840 x 2,160 (UHD)
Brightness 350 cd/m2
Contrast Ratio 1,200:1
Dynamic CR 2,000,000:1 (DTV Label only)
Viewing Angle (H x V) 178 x 178
Response Time 6 ms (G to G)
Surface Treatment Low Haze 3%
Life time (Min.) 50,000 Hours
Guaranteed Operating Hour 24 Hours
Orientation Portrait & Landscape
Input HDMI(2), DP, DVI-D, Audio, USB 3.0, SD Card
Output DP, Audio (Fixed Level)
External Control RS232C, RJ45, IR Receiver, Pixel Sensor
Physical Specification
Bezel Color Black
Bezel Width On: 15.8mm, Off: 14.9mm
Monitor Dimension (W x H x D) 1,682.37 x 960.3 x 57.9mm / 75.83 x 43.20 x 2.39 in (without logo & handle)
Weight (Head) 41.5 kg / 91.49 lbs
Carton Dimensions (W x H x D) 1,816 x 1,123 x 228mm / 71.5 x 44.21 x 8.98 in
Packed Weight 49kg / 108.03 lbs
VESA Standard Mount Interface 600 mm x 400 mm
Special Features
Special Features Temperature Sensor, Auto Brightness Sensor, Tile Mode (up to 15x15), Natural Mode@Tile Mode, ISM Method, Internal Memory (8GB, System 4GB), Wi-Fi built-in (802.11n), USB Cloning, Content Scheduling, Sync mode, PM mode, Fail Over, Wake on LAN, BEACON (On/Off), Embedded Template, PIP/PBP (2/3/4)
Environmental Conditions
Operating Temperature Range 32 °F to 104 °F
Operating Humidity Range 10 % to 80 %
Power Supply 100-240V~, 50/60Hz
Power Type Built-In Power
Power Consumption - Typ. 160W
Power Consumption - Smart Enegy Saving 115W
Standard (Certification)
Safety UL / cUL / CB / TUV / KC
EMC FCC Class "A" / CE / KCC
ErP / Energy Star No / No
Media Player Compatibility
OPS Type Compatible Yes
External Media Player Attachable Yes (MP500/MP700)
Speakers Yes - 2 x 10W
Software Compatibility
Content Management Software SuperSign W
Control and Monitoring Software SuperSign C
Basic Remote Controller (include 2ea batteries), Power Cord, QSG, DP Cable (1.8M), Regulation Book, Phone to RS232C Gender, Memory Cover
Optional Pixel sensor (KT-SP0), Media player, OPS Kit (KT-OPSA), HDBaseT (EB-B100)
Warranty 3-Year Limited Warranty Parts/Labor/Backlight | Extended warranty options are also available


Right Perspective
Left Perspective

Right Side
Left Side


Download the LG Ultra HD Large Display - UM3C Series Datasheet (.PDF)

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