Transparent polarized light-emitting device

Details Transparent polarized light-emitting device Transparent polarized light-emitting device

H - Electricity

01

L

H01L 51/52 (2006.01) H01L 33/06 (2010.01)

Patent

CA 2740988

A transparent directional polar-ized light-emitting device includes a transpar-ent anode and a transparent cathode, a radia-tion-emitting layer between the anode and the cathode, an optically active reflective layer with a reflection band that matches a chirality and at least partially encompasses a wave-length band of radiation emitted from the radi-ation-emitting layer, the optically active light blocking layer located on a side of the radia-tion-emitting layer, and a transparent substrate adjacent to the optically active reflective layer.

Linvention concerne un dispositif électroluminescent polarisé directionnel et transparent qui comprend une anode transparente et une cathode transparente, une couche démission de rayonnement entre lanode et la cathode, une couche réfléchissante optiquement active dotée dune bande de réflexion qui correspond à une chiralité et qui englobe au moins partiellement une bande de longueur d'onde dun rayonnement émis par la couche démission de rayonnement, une couche de blocage de la lumière optiquement active située sur un côté de la couche démission de rayonnement et un substrat transparent adjacent à la couche réfléchissante optiquement active.

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