LG 75UM3C 4K UHD (3840 × 2160) at 60Hz 75 Inch

The LG 75UM3C 75-inch 4K UHD Professional Signage Display is a large-format commercial display designed for digital signage, corporate presentations, meeting rooms, retail environments, reception areas, information displays and other professional installations.

Its expansive 75-inch IPS display with 3840 × 2160 4K UHD resolution provides highly detailed visual content across a large viewing area, while 350 nits brightness, wide viewing angles and professional-grade connectivity make it well suited for indoor commercial environments.

Designed for 24/7 continuous operation, the 75UM3C also features LG’s integrated webOS signage platform, built-in Wi-Fi, multi-screen PIP/PBP functionality and professional remote-control interfaces, making it a flexible solution for demanding business and digital-signage applications.

Key Features

75-inch 4K UHD IPS Display
Features a large 75-inch IPS panel with a native 3840 × 2160 Ultra HD resolution and 16:9 aspect ratio, providing four times the pixel resolution of Full HD for detailed presentations, graphics, video and digital-signage content.

4K UHD at up to 60Hz
Supports 3840 × 2160 resolution at up to 60Hz through compatible HDMI inputs, providing smooth high-resolution playback for presentations, signage content and professional multimedia applications.

IPS Display Technology
LG IPS panel technology provides consistent colour reproduction and wide viewing angles, making the display suitable for environments where content needs to remain clearly visible from different positions.

350 Nits Typical Brightness
Delivers 350 cd/m² typical brightness, providing clear visibility for indoor professional environments including offices, meeting rooms, retail locations, reception areas and information displays.

1200:1 Typical Contrast Ratio
A 1200:1 typical contrast ratio provides clear separation between bright and dark areas, helping text, graphics and multimedia content remain well defined.

Wide 178° Viewing Angles
Provides 178° horizontal and 178° vertical viewing angles, allowing content to remain clearly visible to audiences positioned across large commercial spaces.

6ms Response Time
A typical 6ms gray-to-gray response time provides responsive image performance for presentations, multimedia playback and dynamic digital-signage content.

Designed for 24/7 Operation
The LG 75UM3C is designed for continuous 24-hour, 7-day commercial operation, making it suitable for professional environments where the display may need to remain active around the clock.

50,000-Hour Panel Life
The professional panel is rated for approximately 50,000 hours of typical operating life, supporting long-term commercial and digital-signage installations.

LG webOS 2.0 Signage Platform
The integrated webOS 2.0 platform provides tools for compatible signage applications and content management, reducing the need for separate external playback hardware in suitable installations.

Built-in Wi-Fi Connectivity
Integrated Wi-Fi provides wireless network connectivity for compatible digital-signage applications, content management and professional display functions.

Multi-Screen PIP & PBP
Picture-in-Picture and Picture-by-Picture functionality allows multiple content sources to be displayed simultaneously, with support for divided layouts of up to four screen areas.

This makes the 75UM3C particularly useful for presentations, dashboards, control environments and professional multi-source applications.

USB Content Playback & Scheduling
USB connectivity allows compatible multimedia content to be played directly from storage devices, while content-scheduling functionality provides additional flexibility for digital-signage installations.

SD Card Support
An integrated SD card slot provides another convenient option for storing and accessing compatible digital-signage content.

Professional Video Connectivity
Connectivity includes HDMI, DisplayPort and DVI-D, providing compatibility with computers, media players, signage controllers and professional AV equipment.

DisplayPort Output
A dedicated DisplayPort output provides additional flexibility for compatible professional display configurations and signal distribution.

Professional Network & RS232 Control
Built-in RJ-45 Ethernet and RS232C connectivity allow the display to be incorporated into compatible professional remote-management and AV-control systems.

Crestron Connected Support
Crestron Connected certification helps simplify integration with compatible Crestron professional AV control and room-management systems.

Failover Functionality
LG Fail Over functionality can help maintain signage operation by switching to an alternative available input source if the primary content source becomes unavailable.

Portrait & Landscape Installation
Supports both portrait and landscape orientation, allowing the display to adapt to different signage layouts and commercial installation requirements.

Slim Professional Bezel
A slim bezel of approximately 14.9mm provides a clean commercial appearance and keeps attention focused on the displayed content.

VESA Mounting Support
Supports a professional 600 × 400 mm VESA mounting pattern, allowing installation with compatible commercial wall mounts and large-format display mounting systems.

Condition & Quality Assurance

This product is sold in used condition and has been professionally tested to ensure full functionality.

Normal signs of previous use such as light scratches, minor marks, bezel wear, surface wear or other cosmetic imperfections may be present.

Multiple cosmetic and/or display condition grades may be available. The customer can select the preferred condition from the available product options.

The core specifications of the LG 75UM3C remain fixed. Cosmetic condition and included cables, remote controls, stands, mounting hardware or other accessories may vary depending on the selected product variant.

Package Includes

• LG 75UM3C 75-inch 4K UHD Professional Signage Display
• Compatible Power Cable

Remote control, stand, wall mount, HDMI cable, DisplayPort cable, network cable or other additional accessories are included only when specifically mentioned in the selected product option.

All our refurbished products come with a 12-month warranty covering manufacturing defects. Returns accepted within 14 days, free of charge. Shipping is carbon-neutral via DHL Express.

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