Like the panel on the RT, it's optically bonded, meaning the LCD and touch panel comprise a single layer.

ENGADGET: Microsoft Surface Pro hands-on Hands-on

While it's easy to see how TouchPad and smartphone sales would symbiotically attract developers, it's less clear how much apps for those products would have in common with, say, those on a printer front panel or on a layer living on top of Windows on a PC -- two possibilities that HP has raised for device markets where it is particularly strong.

ENGADGET: Switched On: webOS wherever

Ultimate black color, contrast and crystal crisp picture are achieved thanks to the new Studio Master Panel with newly developed panel driving method and panel structure with direct glass layer.

ENGADGET: Sixteen new plasma TVs from Panasonic for 2013, none that break into larger classes

As a result of the improvement, dim and double images are cut off by eliminating the air gap layer between the front glass and Plasma panel.

ENGADGET: Sixteen new plasma TVs from Panasonic for 2013, none that break into larger classes

This layer acts as an electrode, so that the solar panel can be connected to a circuit.

ECONOMIST: Monitor

The front panel is directly attached to the new In Cell Touch LCD without containing an air layer in between.

ENGADGET: Panasonic Lumix GF6 announced for the US, shipping in June for $600