One of the biggest TV developments at CES 2025 was a new fourth-generation 'four-stack' OLED panel developed by LG Display, an independent wing of LG that provides the raw display panels for LG Electronics and other TV makers.

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 plans to launch its brightest-ever OLED screen later this year. A new internal structure enables the fourth-gen panel to achieve a maximum brightness of 4,000

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,

LG's got an exciting new panel technology it's touting on its new flagship OLEDs and it might well be revolutionary for the market.

LG's top-line 2025 OLED TVs and gaming monitors will have fourth-generation panels that deliver exceptional brightness and colour accuracy. They're also more energy efficient, and other brands are set to benefit too.

LG Display has officially announced the fourth generation of its OLED display technology, and it will be available in LG's M5 and G5 OLED TVs in 2025.