Liquid crystal display equipment
A liquid crystal display and equipment technology, applied in optics, instruments, nonlinear optics, etc., can solve the problems of low light transmittance, increase the sliding property between negative liquid crystal molecules, and high light transmittance
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[0050] "Preparation of Liquid Crystal Display Devices"
[0051] Please refer to figure 1 , is a schematic structural view of the liquid crystal display device 1 used in Examples 1 to 3 and Comparative Example. The liquid crystal display device 1 includes: a first substrate 11, on which a first alignment layer 111 is disposed; a second substrate 12, on which a second alignment layer 121 is disposed; and a liquid crystal layer 13, which includes a negative A liquid crystal composition (not shown) is sandwiched between the first substrate 11 and the second substrate 12; wherein, the first alignment layer 111 and the second alignment layer 121 are substantially parallel and opposite to each other, The characteristics of the first alignment layer and the second alignment layer are shown in Table 1 below.
Embodiment 1 to 3
[0053] Please refer to figure 1 With reference to Table 1, the first alignment layer 111 and the second alignment layer 121 used in the liquid crystal display devices of Examples 1 to 3 are photo-alignment layers composed of polyimide polymers and processed by a photo-alignment process. layer, the optical alignment process conditions, bulk impedance values and absorption wavelengths of the two are shown in Table 1. The measurement condition of the volume impedance value of the alignment layer of Examples 1 to 2 is that the alignment layer is coated on a plain glass substrate and measured after being irradiated with linearly polarized light with a wavelength of 254nm. The volume impedance of the alignment layer of Example 3 The measurement condition of the impedance value is that the alignment layer is coated on the plain glass substrate and measured after being irradiated with linearly polarized light with a wavelength of 365 nm, but not limited thereto.
Embodiment 4
[0059] Please refer to figure 2 , is a schematic structural diagram of the liquid crystal display device 2 of the fourth embodiment. In the liquid crystal display device 2, it includes: a first substrate 21, on which a first alignment layer 211 is disposed; a second substrate 22, on which a second alignment layer 221 is disposed; and a liquid crystal layer 23, on which Including a negative liquid crystal composition (not shown) and sandwiched between the first substrate 21 and the second substrate 22; wherein, the first alignment layer 211 and the second alignment layer 221 are substantially parallel to each other And oppositely disposed, and the surfaces of both the first alignment layer 211 and the second alignment layer 221 include a UV reactive monomer (not shown). In this embodiment 4, the UV reactive monomer used is the compound represented by the above-mentioned formula (I), and based on the total weight of the negative liquid crystal composition, the UV reactive mono...
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