Liquid crystal composition for active matrix driven liquid crystal display
A liquid crystal composition and compound technology, applied in liquid crystal materials, optics, instruments, etc.
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Embodiment 1
[0137] Mix the compounds uniformly according to the following mass percentages to obtain a liquid crystal composition:
[0138]
[0139] The physical parameter test result of this liquid crystal composition is as follows:
[0140] CP=82℃; Δn=0.101; Δε=3.8; V 10 =2.07V; V 90 = 3.12V; gamma 1 =67.
[0141] From the above results, it can be seen that the composition has a lower rotational viscosity γ 1 , threshold V 10 lower (see image 3 ), fast response time (see figure 2 ), viewing angle characteristics such as figure 1 As shown, it is a liquid crystal composition with better comprehensive performance, which is suitable for TFT-driven liquid crystal display.
Embodiment 2
[0143] Mix the compounds uniformly according to the following mass percentages to obtain a liquid crystal composition:
[0144]
[0145] The physical parameter test result of this liquid crystal composition is as follows:
[0146] Δn=0.118, CP=75.8°C, V10=2.08, V90=2.95, Δε=4.43, γ 1 = 46.2.
[0147] It can be known from the above that the composition contains the five-membered ring compound represented by F-1, V10 and V90 are reduced, and the clearing point is slightly increased, and these parameter changes are beneficial to improving the performance of an active matrix-driven liquid crystal display.
Embodiment 3
[0149] Mix the compounds uniformly according to the following mass percentages to obtain a liquid crystal composition:
[0150]
[0151]
[0152] The physical parameter test result of this liquid crystal composition is as follows:
[0153] CP=83℃; Δn=0.102; Δε=3.9; V 10 = 2.04V; V 90 = 3.08V; γ 1 =68.
[0154] From the above results, it can be seen that the composition has a lower rotational viscosity γ 1 =68, threshold V 10 The mixed liquid crystal composition with relatively low cost and good overall performance is suitable for liquid crystal displays driven by active matrix.
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