LG 84TR3B 84" Class 4K Ultra HD Ultra-Large Multi-Touch Interactive Digital Signage Display (84TR3B-B)
Model
:
84TR3B
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LG 84TR3B 84 Inch 4K Ultra HD Multi Touch Interactive Display
An ultra large 4K interactive display built for executive boardrooms, lecture halls, and command centers across Dubai, Abu Dhabi, and the wider GCC.
Key Features:
- 84 inch 4K Ultra HD IPS panel with 178 degree wide viewing angles
- 10 point IR multi touch for collaborative brainstorming
- 4mm tempered anti glare protection glass
- Built in media player via webOS signage architecture
- Triple HDMI, DisplayPort, and DVI-D connectivity for flexible integration
Technical Specifications:
| Technical Parameter | Industrial Specification |
| Brand & Model | LG 84TR3B (84TR3B-B) |
| Screen Size & Panel Technology | 84-inch In-Plane Switching (IPS) Premium Panel |
| Native Resolution | 3840 x 2160 (4K Ultra HD / 2160p) |
| Aspect Ratio | 16:9 |
| Display Brightness | 350 cd/m² (Nits) With Touch Glass |
| Viewing Angles (H / V) | 178° / 178° Ultra-Wide Viewing Angle |
| Contrast Ratio | 1400:1 (Dynamic CR: 500,000:1) |
| Touch Technology Type | Integrated Infrared (IR) Mesh Sensing |
| Simultaneous Touch Points | 10-Point Multi-Touch Capability |
| Touch Interface | 2 x USB 2.0 (Type-B for touch control routing) |
| Protection Glass Features | 4.0 mm Tempered Anti-Glare Glass |
| Operation Duty Cycle | 16 Hours / 7 Days Continuous Commercial Use |
| Display Orientation | Landscape Mode Only |
| Internal Media Player | Built-in Media Player via webOS Signage Architecture |
| Connectivity (Input) | 3 x HDMI, 1 x DisplayPort, 1 x DVI-D, 1 x RGB (VGA), 1 x Audio In |
| Connectivity (Output) | 1 x DVI-D, 1 x Audio Out |
| External Device Control | RS232C In/Out, RJ45 (LAN) In, IR Receiver In |
| Integrated Audio Systems | Built-in Dual Speakers (10W + 10W Stereo) |
| Bezel Width | 51.5 mm (Even Top/Bottom/Left/Right) |
| Physical Dimensions (W x H x D) | 1974.8 mm x 1159.2 mm x 103.4 mm |
| Net Product Weight | 101.4 kg (Heavy-Duty Head Unit) |
| VESA Mount Standards | 600 mm x 400 mm |
Why Buy the LG 84TR3B from Trianze Tech?
- Genuine LG stock with full manufacturer warranty
- Fast delivery and installation across Dubai, Abu Dhabi, and the wider GCC
- Dedicated AV integration support for classrooms and boardrooms
- Competitive pricing with flexible corporate and government quotes
Frequently asked
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You can source the LG 84TR3B directly through Trianze Tech, a trusted commercial AV and IT hardware integration provider operating across Dubai, Abu Dhabi, and the broader GCC region. Purchasing through Trianze Tech ensures you receive authentic enterprise-grade hardware, full technical support, and comprehensive local warranty coverage.
On a massive 84-inch screen, standard 1080p resolution can look pixelated up close. The 4K UHD resolution of the LG 84TR3B provides a dense pixel grid of 3840x2160, ensuring that small text fonts, complex architectural lines, and detailed financial spreadsheets remain perfectly sharp and readable when users stand directly at the board to write or present.
The display utilizes highly sensitive Infrared (IR) mesh touch technology. This means it does not require expensive active or proprietary electronic pens to function. Users can interact with the screen using their fingers, standard passive styluses, or any soft-tipped pointer tool, allowing up to 10 points of simultaneous drawing and gesture control.
The 4.0 mm tempered glass on the LG 84TR3B is specifically treated with an industrial anti-glare (AG) coating. This minimizes annoying mirror-like reflections caused by sunlight or harsh office LED panels without muddying the screen's vibrant color delivery, making it ideal for sunlit corporate spaces in the Middle East.
Absolutely. The LG 84TR3B features standard commercial video inputs (HDMI and DisplayPort) along with dedicated USB upstream ports for touch routing. It integrates flawlessly with major video conferencing bars and ecosystems—including Logitech, Poly, and Yealink solutions supplied by Trianze Tech creating an all-in-one smart huddle space.