Without getting you mired in technobabble, let's just say that indium tin oxide (ITO) has generally been a mainstay in every single OLED that was produced commercially.

ENGADGET: Resin replaces ITO in latest flexible OLED prototype

Igzo (indium gallium zinc oxide) screens have higher translucency than standard TFT (thin film transistor) LCDs, meaning they are better at letting light pass through them.

BBC: HTC and Sharp unveil devices with next-generation screens

For the first time in the United States, the company is showcasing the amazing possibilities of IGZO (Indium Gallium Zinc Oxide) and introducing the first new products that use it.

ENGADGET: Sharp AQUOS Ultra HD, 1080p HDTVs eyes-on HD

At its event, Sharp shared more details of its "Igzo" technology - which stands for Indium Gallium Zinc Oxide, a compound material that is said to be more responsive to touch.

BBC: CES 2013: Enormous TVs clamour for attention

Tests have shown Cambrios material beats the best known material used today called indium-tin-oxide, or ITO, and costs less.

FORBES: High-tech MIT spin-out Cambrios teams on Touch Screen Breakthrough