LG Intros Interactive Classroom Displays

LG Business Solutions has introduced 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."

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." For more information, visit the LG site.

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

  • cybersecurity book with a shield and padlock

    NIST Proposes New Cybersecurity Guidelines for AI Systems

    The National Institute of Standards and Technology has unveiled plans to issue a new set of cybersecurity guidelines aimed at safeguarding artificial intelligence systems, citing rising concerns over risks tied to generative models, predictive analytics, and autonomous agents.

  • student and teacher using AI-enabled laptops, with rising arrows on a graph

    Student and Teacher AI Use Jumps Nearly 30% in One Year

    In a recent survey from learning platform Quizlet, 85% of high school and college students and teachers said they use AI technology, compared to 66% in 2024 — a 29% increase year over year.

  • central cloud platform connected to various AI icons—including a brain, robot, and network nodes

    Linux Foundation to Host Protocol for AI Agent Interoperability

    The Linux Foundation has announced it will host the Agent2Agent (A2A) protocol project, an open standard originally developed by Google to support secure communication and interoperability among AI agents.

  • A Comprehensive Guide to the Best Value Evaluation Systems

    Choosing the most cost-effective evaluation system requires balancing price, usability and insight quality. In a landscape full of digital tools and data demands, it is important to prioritize platforms that deliver clear results without complicating operations.