245530-35-2Relevant academic research and scientific papers
LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY ELEMENT
-
, (2020/02/28)
PROBLEM TO BE SOLVED: To improve Δn of a liquid crystal compound. SOLUTION: One aspect of the present invention is a liquid crystal compound represented by general formula (i) [where Ri1 is a C1 to 15 alkyl group or the like, Ri2 is
Liquid crystal compound, a liquid crystal display element and a liquid crystal composition
-
Paragraph 0143; 0144; 0151, (2016/10/08)
A liquid crystal compound having a high stability to heat, light or the like, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a large elastic constant K33, a large negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. Also, a liquid crystal composition having characteristics similar to these of the compound. Additionally, a liquid crystal display device having a short response time, low electric power consumption, a low driving voltage, a large contrast and a wide temperature range in which the device can be used. The compound is a 2,3-difluorobenzene derivative (1) having a combination of a cyclohexane ring, a cyclohexene ring or a benzene ring phenyl and a butene bonding group. The liquid crystal composition includes this compound, and the liquid crystal display device contains this composition.
A butene liquid crystal compound and its preparation method
-
Paragraph 0111; 0112, (2016/10/10)
The invention relates to a butylene type liquid crystal compound and a preparation method of the same. Such compounds are novel negative liquid crystal materials with low viscosity and high absolute value of dielectric constant, have better chemical stability and better stability in light environment and high-temperature environment, and have very high application valve. The butylene type liquid crystal compound is structured as a structural formula shown in the specification, wherein in the structural formula of the compound, R1 refers to hydrogen atom, linear alkyl with 1-8 carbon atoms or linear alkenyl with 2-8 carbon atoms, or alkoxy or alkenyloxy formed by substituting one or two nonadjacent CH2 in the linear alkyl or the linear alkenyl with oxygen atoms, and 0-4 hydrogen atoms in the R1 group are substituted by fluorine; R2 refers to hydrogen atoms or linear alkyl with 1-8 carbon atoms, and 0-4 hydrogen atoms in the R2 group are substituted by fluorine; n = 1 to 2.
LIQUID CRYSTAL COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
-
, (2012/08/08)
The invention provides a liquid crystal compound having a high stability to heat, light or the like, a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a large elastic constant K33, a large negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds. The invention provides a liquid crystal composition having characteristics similar to these of the compound. The invention provides a liquid crystal display device having a short response time, low electric power consumption, a low driving voltage, a large contrast and a wide temperature range in which the device can be used. The compound is a 2,3-difluorobenzene derivative (1) having a combination of a cyclohexane ring, a cyclohexene ring or a benzene ring phenyl and a butene bonding group. The liquid crystal composition includes this compound, and the liquid crystal display device contains this composition.
TRICYCLIC LIQUID CRYSTALLINE COMPOUND HAVING LATERAL FLUORINE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
-
Page/Page column 40, (2011/01/12)
The invention provides a liquid crystal compound having stability to heat, light and so forth, a wide temperature range of a nematic phase, a small viscosity, a large optical anisotropy and a suitable elastic constant K33 (K33: bend elastic constant), and further having a suitable and negative dielectric anisotropy and an excellent compatibility with other liquid crystal compounds, and provides a liquid crystal composition having a small viscosity, a large optical anisotropy, a suitable elastic constant K33, a suitable and negative dielectric anisotropy, and further having a low threshold voltage, a high maximum temperature of a nematic phase and a low minimum temperature of the nematic phase. In a specific structure having phenylene in which hydrogen on the benzene ring is replaced by fluorine, a three-ring liquid crystal compound having fluorine at a lateral position, and a liquid crystal composition containing the compound are prepared.
