LG Launches Interactive Classroom Displays

LG Business Solutions has launched a new series of interactive classroom displays, the TR3DJ series, available in sizes up to 86 inches.

The new displays are designed for broad compatibility and come with Android 8.0 installed. According to LG, “The TR3DJ series displays are designed to support virtually any application, content management system, learning platform or online conferencing solution that a school uses to engage students in-class and remotely.”

LG Launches Interactive Classroom Displays

There are currently three models in the TR3DJ series — the 65-inch 65TR3DJ-B, 75-inch 75TR3DJ-B and 86-inch 86TR3DJ-B — each with virtually identical specs, including:

  • 3,840 x 2,160 (4K/UHD) resolution;

  • 1,100-to-1 contract ratio;

  • 350 cd/m² brightness, except for the 86-inch model, which is listed at 330 cd/m²;

  • 178-degree vertical and horizontal viewing angle;

  • 16:9 aspect ratio;

  • 8ms response time;

  • IR Multi touch point (maximum 20 points/maximum 10 writing);

  • Dual pen and dual color;

  • VESA mount compatibility;

  • Dual 12W speakers;

All of the models also offer:

  • OPS (Open Pluggable Specification) slot for adding a computer module;

  • Bluetooth support;

  • ScreenShare Pro (for showing up to six screen simultaneously);

  • AirClass, with support for up to 30 students (polling, Q&As and messaging).

Connectivity includes three HDMI in ports, one HDMI out port, optical out, RGB, RS-232c, audio in/out, six USB 2.0 ports and three USB 3.0 ports. The models also offer USB Block Mode to “prevent copying data to unauthorized devices.”

The displays come with a three-year warranty, “with extended five-year coverage available through select LG dealers serving the education market.” Further details can be found at lg.com.

About the Author

David Nagel is the former editorial director of 1105 Media's Education Group and editor-in-chief of THE Journal, STEAM Universe, and Spaces4Learning. A 30-year publishing veteran, Nagel has led or contributed to dozens of technology, art, marketing, media, and business publications.

He can be reached at [email protected]. You can also connect with him on LinkedIn at https://www.linkedin.com/in/davidrnagel/ .


Featured

  • open book with glowing AI-generated text, images, and diagrams

    AI Can Help Educators Avoid the Mistakes of the Past or Repeat Them

    Generative AI is already shaping the future of education, but its true potential is only beginning to unfold.

  • three main icons—a cloud, a user profile, and a padlock—connected by circuit lines on a blue abstract background

    Identity Has Become a Critical Security Perimeter for Cloud Services

    A new threat landscape report from Fortinet points to new cloud vulnerabilities. According to the company's 2025 Global Threat Landscape Report, while misconfigured cloud storage buckets were once a prime vector for cybersecurity exploits, other cloud missteps are gaining focus.

  • pattern of icons for math and reading, including a pi symbol, calculator, and open book

    HMH Launches Personalized Path Solution

    Adaptive learning company HMH has introduced HMH Personalized Path, a K-8 ELA and math product that combines intervention curriculum, adaptive practice, and assessment for students of all achievement levels.

  • glowing digital brain made of blue circuitry hovers above multiple stylized clouds of interconnected network nodes against a dark, futuristic background

    Report: 85% of Organizations Are Leveraging AI

    Eighty-five percent of organizations today are utilizing some form of AI, according to the latest State of AI in the Cloud 2025 report from Wiz. While AI's role in innovation and disruption continues to expand, security vulnerabilities and governance challenges remain pressing concerns.