Cynora Gmbh

Samsung Display Co., Ltd.

Georgios Liaptsis

Patrick Pingel

Harald Fluegge

Jaime Leganes Carballo

Sandra Bonus

Christian Kasparek

Irina Roerich

Andreas Haldi

Harald Flügge

Stefan Hoefle

Jan Birnstock

Stefan Seifermann

Michael Danz

Thomas Baumann

Daniel Volz

Damien Joly

Hamed Sharifidehsari

Stefan Höfle

Charlotte Flechon

Mathias Mydlak

Damien Thirion

Sajjad Hoseinkhani

Federico Koch

Jaime Leganés Carballo

Irina RÖRICH

Jaime LEGANÉS Carballo

Henning Marciniak

Kody Klimes

Daniel Alfredo De Sa Pereira

The present invention relates to organic electroluminescent devices comprising a light-emitting layer B comprising a host material H, a first thermally activated delayed fluorescence (TADF) material E, and a depopulation agent S.

Organic electroluminescent device emitting blue light

An organic molecule is disclosed having a structure with:

Organic molecules for use in organic optoelectronic devices

The present invention relates to a light-emitting layer B comprising a first emitter compound (a) having a non-exited state S0(a), a first excited singlet state S1(a) and a first excited triplet state T1(a); a second emitter compound (b) having a non-exited state S0(b), a first excited singlet state S1(b) and a first excited triplet state T1(b), wherein the energy level of S1(a) is higher than that of S1(b), the energy level of S1(b) is higher than that of T1(b) and wherein the rate of reverse intersystem crossing from T1(a) to S1(a) is higher than the rate of excitation energy transfer from S1(a) to S1(b) and/or the rate of excitation energy transfer from T1(a) to T1(b), and/or wherein the energy level of T1(b) is higher than that of T1(a). Further, the present invention also refers to an opto-electronic device comprising such light-emitting layer B and use thereof.

Light-emitting layer suitable for bright luminescence

The present invention relates to organic electroluminescent devices comprising a light-emitting layer B comprising a host material, a phosphorescence material and a emitter material, which exhibits a narrow&#x2014;expressed by a small full width at half maximum (FWHM)&#x2014;green emission at an emission maximum of 500 to 560 nm. Further, the present invention relates to a method for generating green light by means of an organic electroluminescent device according to the present invention.

Organic electroluminescent device emitting green light

The present invention relates to organic electroluminescent devices comprising a light-emitting layer B comprising two host materials, a n-type (electron-transporting) and a p-type (hole-transporting) host material, a thermally activated delayed fluorescence (TADF) material and an emitter material, which exhibits a narrow&#x2014;expressed by a small full width at half maximum (FWHM)&#x2014;deep-blue emission at an emission maximum of 440 to 475 nm. Further, the present invention relates to a method for generating blue light by means of an organic electroluminescent device according to the present invention.

The present invention relates to a an organic electroluminescent device comprising a light-emitting layer B comprising a host material H, a first thermally activated delayed fluorescence (TADF) material E, and a second TADF material S, wherein Etransfers energy to Sand Semits TADF with an emission maximum between 420 and 500 nm.

The present invention relates to a an organic electroluminescent device comprising a light-emitting layer B comprising a host material H, a first thermally activated delayed fluorescence (TADF) material E, and a second TADF material S, wherein Stransfers energy to Eand Eemits TADF with an emission maximum between 420 and 500 nm.

The present invention relates to a an organic electroluminescent device comprising an exciton quenching layer C located between the a light-emitting layer B and an electron-transport layer D, wherein the exciton quenching layer C comprises at least one emitter Eand at least 80% by weight of at least one electron transport material ETM.

Organic electroluminescent device having an exciton quenching layer

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Mannheim, Germany

Georgios Liaptsis