Basf Se Corporation

Martina Mitgude

Gerhard Wagenblast

Martin Koenemann

Sorin Ivanovici

Gabriele Mattern

Gerd Weber

Mary-Ambre Carvalho

The present invention relates to a perylene bisimide compound of formula (I) or a mixture thereof. The present invention also relates to the use of the compound in color converters, to the color converters and their use, and to lighting devices containing at least one LED and at least one of the color converters. The present invention also relates to a printing ink formulation for security printing containing at least one of the phenoxy-substituted perylene bisimide compounds.

2-phenylphenoxy-substituted perylene bisimide compounds and their use

The present invention relates to perylene bisimides with rigid 2,2'-biphenoxy bridges which are useful in a wide variety of applications and to novel to perylene bisimides with rigid 2,2&#x2032;-biphenoxy bridges. The present invention also relates to the use of said compound(s) in color converters for improving the luminous efficacy of LEDs, to color converters and their use and to lighting devices comprising at least one LED or OLED and at least one color converter. The present invention also relates to a printing ink formulation for security printing comprising at least one perylene bisimide with rigid 2,2&#x2032;-biphenoxy bridges and security documents.

Perylene bisimides with rigid 2,2'-biphenoxy bridges

Disclosed herein are cyanated compounds of the formula (I) wherein at least one of the radicals R, R, Rand Ris CN, and the remaining radicals are selected from hydrogen, chlorine and bromine; X is O, S, SO or SO; m is 0, 1, 2, 3 or 4; Ris selected from bromine, chlorine, cyano, &#x2014;NRR, C-C-alkyl, C-C-haloalkyl, C-C-alkoxy, C-C-haloalkoxy, C-C-cycloalkyl, heterocycloalkyl, heteroaryl, C-C-aryl, C-C-aryloxy, C-C-aryl-C-C-alkylene, etc.; A is a diradical selected from diradicals of the general formulae (A.1), (A.2), (A.3), and (A.4) wherein R, (R), (R)and (R)are as defined in the claims and in the description. Also disclosed are color converters containing at least one polymer as a matrix material and at least one cyanated compound of formula (I) or mixtures thereof as a fluorescent dye, the use of the color converters, and lighting devices containing an LED and at least one color converter.

Growing community of inventors

Gruenstadt, Germany

Martina Mitgude