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.

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 ...