The Primary RGB Tandem structure applied to the fourth-generation OLED TV panel organizes the light source into four stacks by adding two layers of blue elements and independent layers of red and green elements. It improves maximum brightness by increasing the amount of light produced by each layer compared to the previous structure.

LG has unveiled the next generation of its OLED technology, which it says is brighter and more energy efficient than ever.

A brand new four-layer OLED panel structure technology has been confirmed by LG Display.The Latest Tech News, Delivered to Your Inbox

It’s been a little more than a week since LG’s 2025 OLED TV lineup was revealed at CES 2025. During the showcase, LG dropped quite a big bombshell: Its top two OLED TVs, the G and M Series, would no longer be leveraging Micro Lens Array (MLA) display technology to enhance panel brightness.

LG Display is introducing its 4th-generation OLED TV displays today, which manage to not only be brighter than what it showed off in 2024, but also more power-efficient and less reflective. The LG OLED evo M5 was one of Engadget's favorite announcements from CES 2025,