A compound having the structure of general formula I is useful as a liquid crystal composition and as a photoelectric display device including the liquid crystal composition. The compound having the structure of general formula I is chemically and physically stable, and has higher clearing point, and both large dielectric anisotropy and large optical anisotropy at the same time. The compound having the structure of general formula I is well compatible with other liquid crystal compounds when applied in a liquid crystal composition, the composition has good stability especially in a low-temperature environment, the characteristic of fast response and a wide range of applicabilities, especially applicable to the IPS-type and TN-TFT-type liquid crystal display devices. ##STR00001##

A compound having the structure of general formula I is useful as a liquid crystal composition and as a photoelectric display device including the liquid crystal composition. The compound having the structure of general formula I is chemically and physically stable, and has higher clearing point, and both large dielectric anisotropy and large optical anisotropy at the same time. The compound having the structure of general formula I is well compatible with other liquid crystal compounds when applied in a liquid crystal composition, the composition has good stability especially in a low-temperature environment, the characteristic of fast response and a wide range of applicabilities, especially applicable to the IPS-type and TN-TFT-type liquid crystal display devices. ##STR00001##

A display panel includes a first substrate, an electrode layer, and a display medium layer. The electrode layer is disposed on the first substrate. The display medium layer is disposed on the electrode layer and includes a filler and liquid crystal capsules. The liquid crystal capsules are distributed in the filler, and the filler has a birefringence difference Δn in a range from 0.02 to 0.175.

A display panel includes a first substrate, an electrode layer, and a display medium layer. The electrode layer is disposed on the first substrate. The display medium layer is disposed on the electrode layer and includes a filler and liquid crystal capsules. The liquid crystal capsules are distributed in the filler, and the filler has a birefringence difference Δn in a range from 0.02 to 0.175.

The present invention is a liquid crystal display device including a liquid crystal layer containing a liquid crystal material, a sealing member surrounding the liquid crystal layer in a plan view, a pair of substrates sandwiching the liquid crystal layer, and an alignment control layer being in contact with the liquid crystal layer in a region surrounded by the sealing member in a plan view. The alignment control layer aligns a liquid crystal compound in the liquid crystal material in a direction horizontal to faces of the substrates, and contains a polymer formed by polymerization of at least one monomer, and the at least one monomer contains a monomer represented by the following Chemical formula (1): ##STR00001##
wherein at least one hydrogen atom of the phenylene group may be the same or different and may be substituted with a halogen atom, a methyl group, an ethyl group, or a propyl group.

The present invention relates to a liquid crystal (LC) medium comprising a polymerisable compound, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in an LC display of the polymer sustained alignment (PSA) type, and to an LC display, especially a PSA display, comprising it.

The present invention relates to a liquid crystal (LC) medium comprising a polymerisable compound, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in an LC display of the polymer sustained alignment (PSA) type, and to an LC display, especially a PSA display, comprising it.

Embodiments of the present disclosure provide a liquid crystal composition and its manufacturing method, a display panel and a display device. The liquid crystal composition includes: at least three organic compounds having a general formula of ##STR00001##
in which R.sub.1 is selected from C1 to C12 alkyl or C2 to C12 alkenyl; R.sub.2 is selected from C1 to C12 alkyl, C2 to C12 alkenyl or CF.sub.3; ##STR00002##
are independently selected from ##STR00003##
j, k and m are independently selected from 0, 1, 2 and 3; l and n are independently selected from 1, 2 and 3; and Z is selected from a single bond, C1 to C12 alkyl, C2 to C12 alkenyl, C2 to C12 alkynyl, CF.sub.2O or COO.

Embodiments of the present disclosure provide a liquid crystal composition and its manufacturing method, a display panel and a display device. The liquid crystal composition includes: at least three organic compounds having a general formula of ##STR00001##
in which R.sub.1 is selected from C1 to C12 alkyl or C2 to C12 alkenyl; R.sub.2 is selected from C1 to C12 alkyl, C2 to C12 alkenyl or CF.sub.3; ##STR00002##
are independently selected from ##STR00003##
j, k and m are independently selected from 0, 1, 2 and 3; l and n are independently selected from 1, 2 and 3; and Z is selected from a single bond, C1 to C12 alkyl, C2 to C12 alkenyl, C2 to C12 alkynyl, CF.sub.2O or COO.

A liquid crystal composition includes at least one compound of general formula I and at least one compound selected from a group consisting of the compounds of general formula II-1 and general formula II-2. The liquid crystal composition provided by the present invention has suitable optical anisotropy, high clearing point, high elastic constants K.sub.11 and K.sub.33, and relatively low dielectric anisotropy. When the liquid crystal composition is applied to a liquid crystal display device, the liquid crystal display device may have better weather resistance and higher contrast ratio. ##STR00001##