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Digital Signage 75TR3BF-B Front view with infill image
Digital Signage 75TR3BF-B Front view
Digital Signage 75TR3BF-B -45 degree side view
Digital Signage 75TR3BF-B -90 degree side view
Digital Signage 75TR3BF-B +45 degree side view
Digital Signage 75TR3BF-B +90 degree side view
Digital Signage 75TR3BF-B rear view
Digital Signage 75TR3BF-B Top view
Digital Signage 75TR3BF-B detail view
Digital Signage 75TR3BF-B pen
Digital Signage 75TR3BF-B pen


TR3BF Series

Global  Share

Key Feature

  • Brightness (w/ Glass) : 330 nit (Typ.)
  • Touch Type : IR
  • Multi Touch Point : Max 20 Points
  • Interface : HDMI (3), RGB / Audio In,RS232C In,USB 2.0 (3, Front : 2ea, Bottom side: 1ea Only for software update), USB 3.0 (3), Touch Out(USB2.0,B Type) (2),HDMI (1), Optical Output / Audio Out
When the teacher marks it on the TR3BF, it is displayed on the students' electronic device screens at the same time. When the teacher marks it on the TR3BF, it is displayed on the students' electronic device screens at the same time.

True Interactivity for Bringing People Together

Three children are drawing on the TR3BF at the same time. Three children are drawing on the TR3BF at the same time.


Multi Touch & Writing

The TR3BF series can simultaneously use up to 20 points of multi touch. This function offers a lifelike board writing experience and makes collaboration much easier.
The screens of students' laptops and teacher's mobile are being shared to the display.


ScreenShare Pro Upgrade

With the newly upgraded ScreenShare Pro, which enables to show a maximum of six shared screens or a file on a screen in real-time, it has enhanced usability by allowing users to share Chromecast mirroring on the same network without any application.
A teacher is having a class and the screen on the display is being shared to each students' laptop.


Air Class

Air Class supports connecting up to 30 students and offers interactive meetings for all mobile devices on the same network, providing a variety of tools such as voting, answering, and sharing project texts.
Display Power Management function to manage power more efficiently.


DPM (Display Power Management)

By activating DPM function, the display can be set to be on only when there is an input signal, which enables more efficient power management.
Engineering Drawing class with TR3BF's annotation tool using Un-do and Re-do functions.


Annotation Upgrade

At annotation tool mode, ‘Un-do’ and ‘Re-do’ functions provide enhanced user experience. (Annotation tool can be used on any source.)
A woman searching for information using the web browser.


Web Browser

The TR3BF series supports the web browser in the Android OS, so you can search the web easily and quickly, without connecting to an external desktop.
System-on-a chip integrated with Android OS and free apps.



The TR3BF series integrates both Android OS and Free apps into a high performance SoC, without a PC.
Built-in OPS Slot allows users to connect to an external desktop easily, which provides more expanded functions.


Built-in OPS Slot

The TR3BF series supports OPS slots, allowing you to easily and conveniently mount OPS desktop at the back of the digital board without the hassle of connecting to an external desktop, offering you more expanded functions.
Passed Google CTS, Compatibility Test Suite, and LG is the only company provided Google CTS certified interactive display.


Google CTS Pass

LG Interactive Display was granted an approval for Google's Compatibility Test Suite, which is Android API & Application Compatibility Test, on August of 2019. This CTS approval ensures that LG Interactive display supports stable work on Android OS.

* This feature is for the TR3BF series only.
USB is not being able to be connected to a display for security.


USB Block

The USB Block Mode that helps secure and prevent data from being copied into unauthorized devices in advance, which is essential for being used in space where security is critical.
Secure Mode for blocking unauthorized contents.


Secure Mode

Secure Mode blocks unauthorized contents to be shown via sharing screen function in various devices. The preloaded applications related to share screens will be hidden from menu. Secured mode disables screen mirroring options for SSP (Screen Share Pro). It helps prevent unauthorized access to your IDB.
A woman captures part of the TR3BF and explains it to the man.


Partial Capture

Users can select the desired area of the screen to crop the image and store that in internal memory. Also, TR3BF allows that send cropped images directly to email or note apps.
Three people are gathered in a conference room, having a virtual meeting with other people who are appearing on the screen.


Bluetooth Connectivity

TR3BF supports Bluetooth to connect wirelessly to various devices such as speaker, mouse, keyboard, etc. This is optimized for building a hybrid environment so that online and offline meeting and class can proceed without problems.
A screen showing other content was added to the screen where a man is showing a woman.


PIP Support

PIP function enables IDB to display multiple kinds of content while the android content remains in view. So it is possible to see and work on multiple tasks with additional input.

* PIP function is provided in app form.
* It can only be changed to the specified size.
The LG employee is remotely monitoring the TR3BF series installed in a different place.


Real-time ConnectedCare Service

Maintenance is easy and fast with the optional ConnectedCare* service, a cloud service solution provided by LG. It remotely manages the status of displays in client workplaces for fault diagnosis and remote-control services, ensuring the stable operation of clients' businesses.

* The availability of the "ConnectedCare" service differs by region, so please contact the LG sales representative in your region for more details.

VR Showroom

K-12 Class

K-12 Class


Tech Spec

  • Panel

    Panel spec
    Screen Size 75"
    Panel Technology IPS
    Aspect Ratio 16 : 9
    Brightness w/o Glass : 470 nit (Max.), 370 nit (Typ.) 
    w/ Glass : 430 nit (Max.), 330 nit (Typ.)
    Contrast Ratio 1,100:1
    Viewing Angle (H x V) 178 x 178
    Response Time 8ms(G to G)
    Life Time (Typ.) 30,000 Hrs (Min.)
    Operation Hours 16Hr
    Orientation Landscape
  • Mechanical Specification

    Mechanical Specification spec
    Bezel Color Black
    Bezel Width(Off Bezel) Top/Right/Left:17.7mm, Bottom:45.7mm
    Weight (Head) 53kg
    Packed Weight 85kg
    Monitor Dimensions (W × H × D) 1,709×1,020×86mm
    Carton Dimensions(W x H x D) with pallet 1,950×1,266×285mm
    Handle Yes
    VESA™ Standard Mount Interface 800 x 400
  • Special Feature

    Special Feature spec
    Embedded Writing Software Yes
  • Connectivity

    Connectivity spec
    (Input) Video / Audio HDMI (3), RGB / Audio In
    (Input) External Control RS232C In
    (Input) USB USB 2.0 (3, Front : 2ea, Bottom side: 1ea Only for software update), USB 3.0 (3), Touch Out(USB2.0,B Type) (2)
    (Output) Video / Audio HDMI (1), Optical Output / Audio Out
  • Environment Conditions

    Environment Conditions spec
    Operation Temperature 0 °C to 40 °C
    Operation Humidity 10 % to 80 %
  • Power

    Power spec
    Power Supply 100-240V~, 50/60Hz
    Power Type Built-In Power
    Power Consumption (Typ. / Max.) 175/294 W
  • Standard (Certification)

    Standard (Certification) spec
    Safety CB / NRTL
    EMC FCC Class "A" / CE
    ErP Yes (EU Only)
  • Media Player Compatibility

    Media Player Compatibility spec
    OPS type compatible Yes
  • Sound

    Sound spec
    Speaker Built in 24W (12W + 12W)
  • Accessory

    Accessory spec
    Basic Power Cord 3 M*1, USB Cable (Type A-Type B) 5 M*1, HDMI Cable 3 M*1, Writing Pen*2pcs, User Manual, QSG, Carton Box, Remote Control
  • Touch

    Touch spec
    Touch type IR
    Available Object Size for Touch Ø3 mm ↑
    Response Time 60ms ↓ (Android) / 100ms ↓ (Windows)
    Accuracy 1.5mm
    Interface USB 2.0
    Protection Glass Thickness 4T (Anti-Glare)
    Protection Glass Transmission 87%
    Operating System Support Windows 7/8/10/WindowsXP/Linux/Mac/Android (WindowsXP/Linux/Mac Support one point touch)
    Multi Touch Point Max 20 Point

To download product manuals, please visit the Manual Download Page (Click).

Recently Viewed

Product design, features and specifications are subject to change without notice and may also differ based on your region of purchase.
Screen images are simulated and/or dramatized. Some features in videos may not be available on all models. Please refer to the TECHNICAL SPECIFICATIONS tab for a complete list of features by model.