公开(公告)号：US12122919B2

公开(公告)日：2024-10-22

申请号：US17427403

申请日：2020-01-17

Applicant: BASF SE

Inventor： Leonhard Feiler ,  Thomas Ruch ,  Frank Bachmann ,  Marie-Pascale Perritaz ,  Gerardus De Keyzer

IPC: C09B31/053 ,  C09B31/043 ,  C09B31/26 ,  C09B31/30 ,  C09K19/60

CPC classification number: C09B31/053 ,  C09B31/043 ,  C09B31/26 ,  C09B31/30 ,  C09K19/601

Abstract: Azo-azomethine dyes, a dichroic dye mixture including azo-azomethine dyes, a liquid crystal composition with the azo-azomethine dyes, and methods for producing the dyes and dye compositions. The dyes can be used in liquid crystal systems, transmissive displays, and smart windows.

公开(公告)号：US10690825B2

公开(公告)日：2020-06-23

申请号：US15411254

申请日：2017-01-20

Applicant: BASF SE

Inventor： Gerardus De Keyzer ,  Liliana Craciun ,  Michael Kuepfert ,  Frank Oliver Heinrich Pirrung

IPC: G02B5/22 ,  G02F1/1335 ,  G03F7/00 ,  G03F7/027 ,  G02F1/167 ,  G02B5/20 ,  G02B5/23 ,  C08F265/06 ,  C08F290/12 ,  G03F7/031

Abstract: A color filter comprising a cured layer of a photosensitive resist composition comprising a highly reactive polyacrylate monomer and a process for the preparation thereof are provided. The color filter is especially useful for low temperature applications such as electrophoretic displays, polymer dispersed liquid crystal displays, OLED devices and the like.

公开(公告)号：US10230023B2

公开(公告)日：2019-03-12

申请号：US15180161

申请日：2016-06-13

Applicant: BASF SE

Inventor： Martin Koenemann ,  Gerhard Wagenblast ,  Robert Send ,  Sorin Ivanovici ,  Gerardus De Keyzer

IPC: H01L33/50 ,  C09K11/02 ,  C09B57/06 ,  C09K11/06

Abstract: Color converter comprising at least one polymer and at least one organic fluorescent dye comprising at least one structural unit of the formula (I) where the structural unit may be mono- or polysubstituted by identical or different substituents and where one or more CH groups of the six-membered ring of the benzimidazole structure shown may be replaced by nitrogen.