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LG Display to expand Tandem WOLED panel sizes with a 39-inch 5K Ultrawide and 4K option in 2026

LG Display plans to release a 39-inch 5K ultrawide variant of its Tandem WOLED panel. (Image source: LG Display)
LG Display plans to release a 39-inch 5K ultrawide variant of its Tandem WOLED panel. (Image source: LG Display)
LG Display is gearing up to light up CES with more Tandem WOLED panel sizes. Previously limited to 27-inch 280 Hz and 540 Hz options, the OLED panel maker has begun teasing additional sizes and resolutions, including a 39-inch 5K ultrawide and what appears to be a 4K panel.

LG Display has started teasing its next wave of Tandem WOLED panels ahead of CES 2026. The company has published new promotional videos that outline additional panel sizes and resolutions planned for future displays.

So far, we've seen Tandem WOLED, rebranded from Primary RGB Tandem OLED, in 27-inch 1440p panels, including early 280 Hz monitors such the Gigabyte MO27Q28G (curr: $599.99 at Newegg) and Asus ROG Strix OLED XG27AQWMG. Recently, the panel has also appeared in faster 540 Hz displays like the Asus ROG Swift OLED PG27AQWP-W, which can boost the refresh rate to 720 Hz at 720p. That said, the new teasers indicate that LG Display is now preparing to scale the technology up for larger and higher resolution panels.

(Image source: LG Display)
(Image source: LG Display)

39-inch 5K ultrawide Tandem WOLED panel

Most notably, the promotional video references a 39-inch 5K ultrawide panel, which would likely have the 5K2K (5120 x 2160) resolution. At 39 inches, that should work out to about 142 PPI, meaning sharper picture quality than the 39-inch, 3440 x 1440 WOLED options already in the market.

(Image source: LG Display)
(Image source: LG Display)

27-inch 4K Tandem WOLED panel

LG Display also appears to be teasing a separate 27-inch Tandem WOLED panel. While the video does not explicitly mention a 4K resolution, it refers to a "high PPI for exceptional clarity," which presumably points to a higher resolution than the current 2560 x 1440 options. Unfortunately, there is still no mention of a 32-inch Tandem WOLED panel at this point. LG Display also highlights its 27-inch 540 Hz panel with a 720 Hz dual-mode option, which has already appeared in several announced monitors, including the LG Ultragear 27GX790B.

(Image source: LG Display)
(Image source: LG Display)

We expect the new panels to be unveiled at CES 2026 in January. However, LG Display has not confirmed which monitor brands will be first to adopt them, nor has it shared details about refresh rates, brightness levels, or pricing. The promotional videos are available on LG Display’s official YouTube channel and outline both the new panel lineup and the benefits of Tandem WOLED, including higher peak brightness, improved color production, and more.

(Image source: LG Display)
(Image source: LG Display)
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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 12 > LG Display to expand Tandem WOLED panel sizes with a 39-inch 5K Ultrawide and 4K option in 2026
Elvis Shida, 2025-12-20 (Update: 2025-12-20)