Basf Se Corporation

Udc Ireland Limited

Universität Des Saarlandes

Basf Taiwan Ltd.

Hannah Stephanie Mangold

Martin Koenemann

Sorin Ivanovici

Gerhard Wagenblast

Christian Lennartz

Korinna Dormann

Stefan Metz

Ute Heinemeyer

Thomas-Wesley Holcombe

Thomas Holcombe

Robert Send

Hisatoshi Kura

Sebastian Valouch

Glauco Battagliarin

Ilona Stengel

Minlu Zhang

Guido Kickelbick

Falk May

Sandro Pagano

Bruno Inderbitzin

Nils Steinbrueck

Yen Te Lee

Wei Cheng Chou

Siang Fu Hong

Chia Wei Tsai

Maximilian Frank Halbauer

Michael Kuehn

Mamiko Matsunaga

Thomas Wesley Holcombe

Wei Chang Chou

The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 2 to 40% by weight of a triplet emitter X having a difference of the singlet energy (E(X)) and the triplet energy (E(X)) of less than or equal to 0.4 eV [Δ(E(X)) −(E(X))≤0.4 eV], 0.05 to 5.0% by weight of a fluorescent emitter Y and 55 to 97.95% by weight of a host compound(s), wherein the amount of the triplet emitter X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the triplet emitter X(E(X)) is greater than the singlet energy of the fluorescent emitter Y(E(Y)) [(E(X))>E(Y)]. By doping, for example, an emitting layer containing a luminescent organometallic complex having a small S-Tsplitting, with a fluorescent emitter the emission decay time can significantly be shortened without sacrificing external quantum efficiency (EQE) because of very efficient energy transfer.

Highly efficient OLED devices with very short decay times

An optical data communication system may include one or more para-phenylenevinylenes, a receiver for an optical data communication system comprising para-phenylenevinylene(s), a transmitter for an optical data communication system comprising para-phenylenevinylene(s), the use of para-phenylenevinylene(s) in an optical data communication system, specific para-phenylenevinylene(s) and their preparation.

Optical data communication system comprising para-phenylenevinylenes and specific para-phenylenevinylenes

A color converter may include a polymeric matrix material and at least one organic fluorescent colorant of formula I.a, I.b, and/or I.c wherein R, R, R, R, R, Rare H, C-C-alkyl or C-C-aryl-C-C-alkylene; R, Rare fluorine, chlorine, cyano or OR, R, Rare C-C-alkyl; Ris C-C-alkyl, C-C-aryl or C-C-aryl-C-C-alkylene, wherein the aryl moieties being optionally substituted by k substituents R; k is 1, 2, 3, 4, 5 or 6; Ris C-C-alkyl, C-C-alkoxy, CN, halogen, phenyl or phenoxy; and Ris C-C-alkyl or hydroxy-C-C-alkyl. Backlight units for liquid crystal displays; liquid crystal display devices, and a self-emissive display devices may include this color converter and such colorant.

Photostable cyano-substituted boron-dipyrromethene dye as green emitter for display and illumination applications

A receiver comprising a luminescent collector (luminescent detector) comprising at least one organic fluorescent colorant B, an optical data communication system comprising said receiver, and to the use of the luminescent collector as fast photodetector in a receiver for an optical data communication system.

Receiver comprising a luminescent collector for optical data communication

The present invention relates to a curable resin composition comprising a curable resin mixture and at least one C-C-alkenyl-substituted compound of formula (I) wherein m is 1, 2 or 3; R, R, Rand Rare hydrogen or C-C-aryloxy, which is substituted by one or more radicals selected from C-C-alkyl and C-C-aryl-C-C-alkylene; R, R, are hydrogen or optionally substituted C-C-aryl, or Rand Rtogether are a diradical of the formula A; A is a diradical of the formulae A.1 or A.2 wherein Ris C-C-alkenyl; R, n are as defined in the claims and in the description. The present invention also relates to a polymer comprising in copolymerized form at least one compound of formula (I) and an organopolysiloxane and to novel compounds of formula (I).

C-C-alkenyl-substituted rylene imide dyes and curing product of curable silicon resin composition and C-C-alkenyl-substituted rylene imide dyes

A yellow light emitting device may have a light source and a color converter wherein at most 1% of the total emitted radiant power of the yellow light emitting device is emitted in a wavelength range shorter than 520 nm, as well as the use of the yellow light emitting device.

Yellow light emitting device

The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 2 to 40% by weight of a triplet emitter X having a difference of the singlet energy (E(X)) and the triplet energy (E(X)) of less than or equal to 0.4 eV [&#x394;(E(X))&#x2212;(E(X))&#x2264;0.4 eV], 0.05 to 5.0% by weight of a fluorescent emitter Y and 55 to 97.95% by weight of a host compound(s), wherein the amount of the triplet emitter X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the triplet emitter X (E(X)) is greater than the singlet energy of the fluorescent emitter Y (E(Y)) [(E(X))&#x3e;E(Y)]. By doping, for example, an emitting layer containing a luminescent organometallic complex having a small S-Tsplitting, with a fluorescent emitter the emission decay time can significantly be shortened without sacrificing external quantum efficiency (EQE) because of very efficient energy transfer.

The present invention relates to a transmitter for transmitting data and for emitting electromagnetic radiation in the visible spectral range, wherein the transmitter comprises a) a radiation source for generating and emitting first electromagnetic radiation, b) a modulator being adapted to modulate the first electromagnetic radiation depending on the data to be transmitted generating modulated first electromagnetic radiation, and c) a frequency converter for converting at least a part of the modulated first electromagnetic radiation into modulated second electromagnetic radiation, said modulated second electromagnetic radiation being different from the modulated first electromagnetic radiation, wherein the frequency converter comprises a polymeric matrix material comprising at least one organic fluorescent colorant. Furthermore, the invention relates to an illumination device comprising such transmitter. Moreover, the invention relates to a data transmission system comprising such a transmitter as well as a receiver and a data analyzer.

Transmitter for transmitting data and for emitting electromagnetic radiation in the visible spectral range and data transmission system

The present invention relates to 1,6,7,12-tetra-(2-isopropylphenoxy)-substituted perylene tetracarboxylic acid diimides of the formula (I) wherein Rand Rindependently of each other are selected from hydrogen, C-C-alkyl, C-C-haloalkyl, C-C-cycloalkyl, C-C-aryl and C-C-aryl-C-C-alkylene, where the rings of cydoalkyi, aryl, and aryl-alkylene in the three last-mentioned radicals are unsubstituted or substituted as defined in the claims and in the description. Moreover, the present invention relates to the use of said perylene compounds, in particular to the use of said perylene compound(s) in color converters, for data transmission and in security inks for security printing. The present invention also relates to the use of said color converters, to their use in lighting devices, to lighting devices comprising at least one LED and at least said color converter and to a device producing electric power upon illumination comprising a photovoltaic cell and said color converter. 

1,6,7,12-tetra-(2-isopropylphenoxy)-substituted perylene tetracarboxylic acid diimides as color converters

The present invention relates to a cyanoaryl substituted compound of formula (I), (I) wherein m is 0-4; R, R, Rand Rare selected from hydrogen, chlorine, bromine and C-C-aryl, which carries one to three cyano; each Rindependently from each other is selected from bromine, chlorine, cyano, &#x2014;NRaRb, C-C-alkyl, C-C-haloalkyl, C1-C24-alkoxy, C-C-haloalkoxy, C-C-cycloalkyl, heterocycloalkyl, heteroaryl, C-C-aryl, C-C-aryloxy, C-C-aryl-C-C-alkylene, etc., with the proviso that at least one of the radicals R, R, R, Rand Ris C-C-aryl, which carries one to three cyano; X is O, S, SO or SO; A is a diradical of the formulae (A.1), (A.2), (A.3), or (A.4) wherein *, R, (R)n, (R)o and (R)p are as defined in the claims and in the description. The invention also relates to the use of said compound(s) in color converters, to said color converters and their use, to lighting devices, to a backlight unit for liquid crystal displays; a liquid crystal display device and a self-emissive display device comprising at least one compound (I). 

Cyanoaryl substituted benz(othi)oxanthene compounds

The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 2 to 40% by weight of a luminescent organometallic complex X having a difference of the singlet energy (E(X)) and the triplet energy (E(X)) of of &#x2264;0.3 eV [&#x394;(E(X))&#x2212;(E(X))&#x2264;0.3], 0.05 to 5.0% by weight of a fluorescent emitter Y and 55 to 97.95% by weight of a host compound(s), wherein the amount of the organometallic complex X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the luminescent organometallic complex X (E(X)) is greater than the singlet energy of the fluorescent emitter Y (E(Y)) [(E(X))&#x3e;E(Y)]. By doping, for example, an emitting layer containing a luminescent organometallic complex having a small S-Tsplitting, with a fluorescent emitter the emission decay time can significantly be shortened without sacrificing external quantum efficiency (EQE) because of very efficient energy transfer.

The present invention relates to organic light-emitting devices comprising (a) an anode, (i) a cathode, and (e) an emitting layer between the anode and cathode, comprising 2 to 40% by weight of a luminescent organometallic complex X having a difference of the singlet energy (E(X)) and the triplet energy (E(X)) of smaller than 0.2 eV [&#x394; (E(X))&#x2212;(E(X))&#x3c;0.2 eV], 0.05 to 5.0% by weight of a fluorescent emitter Y and 55 to 97.95% by weight of a host compound(s), wherein the amount of the organometallic complex X, the fluorescent emitter Y and the host compound(s) adds up to a total of 100% by weight and the singlet energy of the luminescent organometallic complex X (E(X)) is greater than the singlet energy of the fluorescent emitter Y (E(Y)) [(E(X))&#x3e;E(Y)]. By doping, for example, an emitting layer containing a luminescent organometallic complex having a small S-Tsplitting, with a fluorescent emitter the emission decay time can significantly be shortened without sacrificing external quantum efficiency (EQE) because of very efficient energy transfer.

Growing community of inventors

Ludwigshafen, Germany

Hannah Stephanie Mangold