Liquid crystal composition and application thereof
A technology for liquid crystal compositions and compounds, applied in liquid crystal materials, chemical instruments and methods, etc., can solve problems such as poor compatibility and solid precipitation, and achieve the effects of low liquid crystal conductance, low rotational viscosity, and improved liquid crystal reliability.
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Embodiment 1-6 and comparative example 1
[0116] By adding different contents of GUEST-1 (belonging to general formula I-2) in the following table 4-1 to HOST-1: Constituting Comparative Example 1 and Examples 1-6 of the present invention, the performance test results are shown in Table 4-2.
[0117] Table 4-1 Embodiment 1-6, the formula of comparative example 1 liquid crystal composition
[0118]
[0119] Table 4-2 Performance test data of the liquid crystal composition of Examples 1-6 and Comparative Example 1
[0120]
[0121] From the data in Table 4-2, it can be seen that the low-temperature storage time of the liquid crystal composition containing the compound of the general formula I of the present invention has not been shortened, and even extended, the initial VHR- is higher, and the conductance is lower. It can be seen from this , the liquid crystal composition of the present invention has better low temperature stability and reliability.
[0122] figure 1 It is the RDC diagram of the liquid crysta...
Embodiment 7-10 and comparative example 2
[0124] By adding different contents of GUEST-2 (belonging to general formula I-9) in the following table 5-1 to HOST-2: Constitute Comparative Example 2 and Examples 7-10 of the present invention, and the performance test results are shown in Table 5-2.
[0125] Table 5-1 Embodiment 7-10, the formula of comparative example 2 liquid crystal composition
[0126] Example 7 Example 8 Example 9 Example 10 Comparative example 2 GUEST-2 content (ppm) 100 200 500 1000 0
[0127] Table 5-2 Performance test data of the liquid crystal composition of Examples 7-10 and Comparative Example 2
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[0129]
[0130] From the data in Table 5-2, it can be seen that the low-temperature storage time of the liquid crystal composition containing the compound of the general formula I of the present invention has not been shortened, and even has been extended, and the initial VHR- is higher, and the conductance is lower. It can be seen from this , the li...
Embodiment 11-14 and comparative example 3
[0133] By adding GUEST-3 (belonging to general formula I-2) with different contents in the following table 6-1 to HOST-3: Constitute Comparative Example 3 and Examples 11-14 of the present invention, and the performance test results are shown in Table 6-2.
[0134] Table 6-1 Embodiment 11-14, the formula of comparative example 3 liquid crystal composition
[0135]
[0136]
[0137] Table 6-2 Performance test data of the liquid crystal composition of Examples 11-14 and Comparative Example 3
[0138]
[0139] From the data in Table 6-2, it can be seen that the low-temperature storage time of the liquid crystal composition containing the compound of the general formula I of the present invention has not been shortened, and even extended, VHR- is initially higher, and the conductance is lower. It can be seen from this , the liquid crystal composition of the present invention has better low temperature stability and reliability.
[0140] image 3 It is the RDC diagram ...
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