Organic light-emitting diodes comprising carbene-transition metal complex emitter, and at least one compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene s-oxides and disilyldibe

US8373159B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Nicolle Langer · Heppenheim, DE
• Klaus Kahle · Ludwigshafen, DE
• Christian Lennartz · Dublin, IE
• Oliver Molt · Hirschberg, DE
• Evelyn Fuchs · Mannheim, DE
• Jens Rudolph · Abu Dhabi, AE
• Christian Schildknecht · Schifferstadt, DE
• Soichi Watanabe · Mannheim, DE
• Gerhard Wagenblast · Wachenheim, DE

Key dates

• Filing date: Jun 25, 2008
• Grant date: Feb 12, 2013
• Expiry date: Jul 19, 2029

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K2101/10

Abstract

The present invention relates to an organic light-emitting diode comprising an anode An and a cathode Ka and a light-emitting layer E which is arranged between the anode An and the cathode Ka and comprises at least one carbene complex and if appropriate at least one further layer, where the light-emitting layer E and/or the at least one further layer comprises at least one compound selected from disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiophenes, disilyldibenzophospholes, disilyldibenzothiophene S-oxides and disilyldibenzothiophene S,S-dioxides, to a light-emitting layer comprising at least one of the aforementioned compounds and at least one carbene complex, to the use of the aforementioned compounds as matrix material, hole/exciton blocker material, electron/exciton blocker material, hole injection material, electron injection material, hole conductor material and/or electron conductor material, and to a device selected from the group consisting of stationary visual display units, mobile visual display units and illumination units comprising at least one inventive organic light-emitting diode; to selected disilylcarbazoles, disilyldibenzofurans, disilyldibenzothiop…