3M dual-brightness enhancement film enables PoE LED-backlit LCD

May 16, 2012 — 3M Optical Systems Division enabled what is says is the “first all-in-one zero client capable of being powered by Type 1 power-over-Ethernet (PoE, IEEE 802.3af),” using 3M’s Dual Brightness Enhancement Film (DBEF) for light-emitting diode (LED)-backlit monitors. The 3M display material allows a “smart” LED-LCD display to run off an Ethernet connection.

DBEF is a multilayer, reflective polarizer. DBEF polarizes the backlights output so that it can transmit through the liquid crystal panel. Light of the wrong polarization is recycled into the backlight. The recycled light would normally be absorbed, and lost, by the rear polarizer of the liquid crystal panel. DBEF increases both brightness and the amount of light available over the entire LCD.

The HP t410 All-in-One Smart Zero Client operates within 13W of power.  This eliminates the need for AC power cords and consumes as much as 78% less power than a standard desktop. Through a collaborative approach focused on the total system power, HP has launched a new device well suited to the trends of virtual desktops and cloud computing.

3M is a diverse company creating products for consumer, electronics, and other markets. For more information, visit www.3M.com 

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