LG Display has just pulled off something the display industry has been chasing for years. It’s the first company to mass-produce blue phosphorescent OLED panels. That’s a big deal because blue has always been the missing piece in what’s been dubbed the “dream OLED”, a display that uses energy-efficient phosphorescence for red, green, and blue.
LG Display brings blue PHOLED to mass production with 15% lower power draw
The breakthrough follows eight months of development with Universal Display Corporation (UDC), and the new panel will make its public debut at SID Display Week 2025 in San Jose.
Interestingly, many expected Samsung to be the first to crack blue phosphorescence and bring it to market in upcoming foldables like the Galaxy Z Fold 7 or Flip 7. But it’s LG that got there first.
Here’s why this matters. While red and green phosphorescent materials have been around for years and are used in today’s OLED displays for their high efficiency and low power draw, blue has been a persistent problem. Blue light has a shorter wavelength and higher energy, which makes it much harder to manage. Existing OLED panels rely on blue fluorescence, which is more stable but incredibly inefficient, topping out at just 25% light emission efficiency.
LG’s new approach is a hybrid “dual-stack tandem” structure. The bottom layer still uses blue fluorescence for durability, but now it’s paired with a blue phosphorescent layer on top. This design cuts power consumption by about 15 percent without sacrificing stability or lifespan. In a world of battery-hungry smartphones, tablets, and AI-powered gadgets, that’s not just impressive, it’s essential.
This advancement leans heavily on UDC’s PHOLED technology, which is built around organometallic compounds containing heavy metals like iridium. These materials allow the panel to use both singlet and triplet excitons, meaning they extract far more light from the same amount of energy, with near-100 percent efficiency.
The benefits go beyond just lower power usage. These new panels could enable brighter screens, longer-lasting batteries, and potentially thinner devices. LG says the technology is aimed at small and medium displays, which means smartphones and tablets for now, but there’s clear potential for wearables, foldable, AI PCs, and even AR or VR headsets.
Blue phosphorescent OLED has been the hardest challenge in display tech. Now, with LG’s solution, the dream OLED isn’t just a concept anymore. It’s real, and it’s coming soon.
For more daily updates, please visit our News Section.
Stay ahead in tech! Join our Telegram community and sign up for our daily newsletter of top stories!
The post LG cracks the final code of ‘Dream OLED’ with mass production of blue phosphorescent panels appeared first on Gizmochina.
