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

  • hand touching glowing connected dots

    Registration Now Open for Tech Tactics in Education: Thriving in the Age of AI

    Tech Tactics in Education has officially opened registration for its May 7 virtual conference on "Thriving in the Age of AI." The annual event, brought to you by the producers of Campus Technology and THE Journal, offers hands-on learning and interactive discussions on the most critical technology issues and practices across K–12 and higher education.

  • outline of a modern school building as glowing blue geometric shapes, surrounded by binary code streams, with golden orbs and lines representing funding, set against a dark gray gradient with faint grid patterns

    FCC Cybersecurity Pilot Participants Selected

    The Federal Communications Commission has officially selected the participants for its Schools and Libraries Cybersecurity Pilot, the three-year program exploring the use of Universal Service funds to improve school and library defenses against cyber attacks.

  • Google Classroom tools

    Google Announces Classroom Updates, New Tools for Chromebooks

    Google has introduced a variety of features across its products for education, announced recently at the 2025 BETT ed tech event in London. Among the additions are enhancements to Google Classroom and new tools for Chromebooks, "designed to help address the diverse needs of students around the world," Google said in a blog post.

  • group of elementary school students designing video games on computers in a modern classroom with a teacher, depicted in a geometric and abstract style

    Using Video Game Design to Teach Literacy Skills

    The Max Schoenfeld School, a public school in the Bronx serving one of the poorest communities in the nation, is taking an innovative approach to improving student literacy.