OLED displays have one stubborn unsolved problem, and multiple companies think they're close to cracking it. The blue pixel era may be ending.

When you're dropping hundreds (or thousands) on an OLED display, you'll want to keep it in tip-top shape for years to come.

The big picture: Among the three pixel colors found in OLED displays, blue stands out for its inefficiency and shorter lifespan compared to red and green pixels. But now LG claims to have cracked that ...

Deep within LG Display’s Paju facility, in a room most employees have forgotten exists, sits a 15-inch screen that shouldn’t be working. When engineers fired it up last month for a heritage ...