ORGANIC PHOTOSENSITIVE DEVICES WITH REFLECTORS

    公开(公告)号:EP3629392A1

    公开(公告)日:2020-04-01

    申请号:EP19175766.5

    申请日:2013-10-11

    Abstract: The present disclosure relates to organic photosensitive devices comprising a substrate; a first electrode disposed over the substrate; a second electrode disposed over the first electrode; a photoactive region positioned between the first electrode and the second electrode; and at least one reflector disposed over the second electrode, wherein the at least one reflector is configured to at least partially reflect one or more desired wavelengths. Also disclosed are methods of preparing photosensitive devices having at least one reflector configured to at least partially reflect one or more desired wavelengths.

    EXTENDED OLED OPERATIONAL LIFETIME THROUGH PHOSPHORESCENT DOPANT PROFILE MANAGEMENT

    公开(公告)号:EP3690972A1

    公开(公告)日:2020-08-05

    申请号:EP20164366.5

    申请日:2014-12-17

    Abstract: This disclosure relates, at least in part, an organic light emitting device, which in some embodiments comprises an anode (115); a cathode (160); a first emissive layer (135) disposed between the anode and the cathode, the first emissive layer comprising an electron transporting compound and a phosphorescent emissive dopant compound; and wherein the phosphorescent emissive dopant compound has a concentration gradient, in the emissive layer, which varies from the cathode side of the first emissive layer to the anode side of the emissive layer.

Patent Agency Ranking