This year's contests include the largest-ever plasma screen (150 inches), the largest Organic Light-Emitting Diode TV (a new bright and energy-efficient screen), the first functioning laser television and the first TVs that receive high-quality wireless streaming from a high-definition signal.

FORBES: Preview: Las Vegas' Greatest Gadgets Show

The IceTouch (YP-H1), featuring the world's first 2-inch, full color, transparent Active Matrix Organic Light Emitting Diode (AMOLED) touch-screen display, functions as a DVD-quality video player, studio quality audio player, an ultra-portable photo album, an FM radio and even a portable storage device.

ENGADGET: Samsung announces two PMPs, one for fitness gurus, one made of glass

As a result devices that use them need fewer LEDs (light-emitting diodes) to provide backlighting, allowing the screen to take up less room and use less power.

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

Executives also said they would show off a 55in OLED (organic light-emitting diode) display that could show two different shows full-screen at the same time.

BBC: CES 2013: Samsung simplifies its smart TV experience

There is a deluge of 4k displays on the show floor - some adding OLED (organic light-emitting diode) tech to offer richer colours, others slimming the screen's bezel down until it is almost not there.

BBC: CES 2013: Looking beyond 4k to the TVs of the future

Those claims are probably particularly bothersome to Samsung, which has developed its own premium screen technology it calls Super AMOLED (Active Matrix Organic light-emitting diode).

FORBES: Apple's New IPhone Strikes At Samsung

Building on the success of Nikon's previous touch-screen models, the ultra-stylish COOLPIX S70 features an enhanced interface and organic light-emitting diode (OLED) display technology for a new user experience, housed in a stylish, camera body.

ENGADGET: Nikon Coolpix S1000pj projector-cam beams into reality along with friends