Perylene bisimides with rigid 2,2′-biphenoxy bridges

US11021610B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Martin Koenemann · Ludwigshafen, DE
• Gerhard Wagenblast · Wachenheim, DE
• Sorin Ivanovici · Ludwigshafen, DE
• Martina Mitgude · Havelsee, DE

Key dates

• Filing date: Jan 13, 2017
• Grant date: Jun 1, 2021
• Expiry date: Apr 10, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2211/1088
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

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′-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′-biphenoxy bridges and security documents.