申请人:BASF SE
公开号:US11236101B2
公开(公告)日:2022-02-01
The present invention relates to a cyanoaryl substituted compound of formula (I), (I) wherein m is 0-4; R2, R3, R4 and R5 are selected from hydrogen, chlorine, bromine and C6-C24-aryl, which carries one to three cyano; each R1 independently from each other is selected from bromine, chlorine, cyano, —NRaRb, C1-C24-alkyl, C1-C24-haloalkyl, C1-C24-alkoxy, C1-C24-haloalkoxy, C3-C24-cycloalkyl, heterocycloalkyl, heteroaryl, C6-C24-aryl, C6-C24-aryloxy, C6-C24-aryl-C1-C10-alkylene, etc., with the proviso that at least one of the radicals R1, R2, R3, R4 and R5 is C6-C24-aryl, which carries one to three cyano; X is O, S, SO or SO2; A is a diradical of the formulae (A.1), (A.2), (A.3), or (A.4) wherein *, R6, (R7)n, (R8)o and (R9)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).
本发明涉及一种氰基芳基取代的式(I)化合物,(I)其中m为0-4;R2、R3、R4和R5选自氢、氯、溴和C6-C24-芳基,其中带有一至三个氰基;每个 R1 彼此独立地选自溴、氯、氰基、-NRaRb、C1-C24-烷基、C1-C24-卤代烷基、C1-C24-烷氧基、C1-C24-卤代烷氧基、C3-C24-环烷基、杂环烷基、杂芳基、C6-C24-芳氧基、C6-C24-芳基-C1-C10-烯基等。,但条件是 R1、R2、R3、R4 和 R5 中至少有一个基是 C6-C24-芳基,其中带有一至三个氰基;X 是 O、S、SO 或 SO2;A 是式 (A.1)、(A.2)、(A.3) 或 (A.4) 的二元杂环,其中 *、R6、(R7)n、(R8)o 和 (R9)p 如权利要求和说明中所定义。本发明还涉及上述化合物在色彩转换器中的用途、上述色彩转换器及其用途、照明设备、液晶显示器的背光单元、液晶显示设备以及包含至少一种化合物(I)的自发光显示设备。