PLED or   P-OLED

Polymer (organic) light emitting diode. This advanced technology is based on the use of organic polymers which emit light when stimulated electrically. P-OLED sometimes refers to 'polymer light emitting device' or 'polymer light emitting display'. P-OLEDs are used principally in electronic displays and are expected to be used in future lighting and sensor systems. P-OLEDs are a form of OLED (see below). Developed after SMOLEDs, P-OLEDs have the major advantage of being solution processable, and can therefore be produced using printing techniques such as ink jet printing or relief printing.

LEP
LEP-OLED

LEP stands for 'light emitting polymer', and refers to the emissive materials used in the construction of a P-OLED device.

Organic light emitting diode. Devices which use organic materials to produce light through electrical stimulation. The term OLED includes P-OLED, SMOLED and dendrimer technologies.

Small molecule organic light emitting diode. The original technology developed to exploit the light emitting property of some organic chemicals. Has been the basis of most commercial products to date, but has also had the disadvantage of requiring complex and expensive production methods such as vacuum deposition.

A class of molecule featuring a high degree of branching and which can be designed to offer specific performance characteristics. In display technologies, dendrimers can be applied to small molecules to give them some of the properties of polymer systems e.g. solution processability.

TMA^TM

Total Matrix Addressing. This driver technology, demonstrated by CDT in 2006, offers the prospect of larger displays being driven without the need for active matrix (TFT) driver systems. This in turn offers the possibility of lower cost display systems and broader commercial availability.

OEL

Organic electroluminescence. The phenomenon of light emission as a result of electrical stimulation of an OLED.

Hole Injection Layer / Hole Transport Layer is a layer that conducts holes from the anode, and injects them into the interlayer/primer layer.