PIPERIDINE DERIVATIVE, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY ELEMENT
申请人:JNC CORPORATION
公开号:US20160289189A1
公开(公告)日:2016-10-06
To provide a compound having an effect for preventing photolysis of a liquid crystal composition, and having a high solubility in the liquid crystal composition, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1), the liquid crystal composition contains the compound, and the liquid crystal display device includes the composition.
In formula (1), R
1
, R
2
, R
3
and R
4
are independently hydrogen or alkyl having 1 to 4 carbons; ring A
1
and ring A
2
are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z
1
, Z
2
and Z
3
are independently a single bond, alkylene or the like; and n is 0, 1 or 2.
为了提供一种具有防止液晶组分光解作用的效果,并且在液晶组分中具有高溶解度的化合物,提供了一种含有该化合物的液晶组合物和包含该组合物的液晶显示装置。该化合物由式(1)表示,液晶组合物中含有该化合物,液晶显示装置包括该组合物。在式(1)中,R1、R2、R3和R4分别独立表示氢或具有1至4个碳的烷基;环A1和环A2独立表示1,4-环己烯基、1,4-苯基或类似物;Z1、Z2和Z3独立表示单键、烷基或类似物;n为0、1或2。