WE’VE never had more choice in how we consume entertainment content at home and one of the benefits of advancing technology is how television picture quality has markedly improved in only a few short years. Two of the high-end display options for the latest in 4K or ultra-high definition TV involve technology known as OLED (Organic Light Emitting Diode) or ULED (Ultra Light Emitting Diode), depending on how it works. It’s tempting to think of LEDs as those little red or blue