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Patent
Jnc Corporation and Jnc Petrochemical Corporation | Date: 2016-06-29

To show a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature, a low minimum temperature, small viscosity, suitable optical anisotropy, large positive dielectric anisotropy or having a suitable balance regarding at least two of the characteristics, and an AM device including the liquid crystal composition. The liquid crystal composition contains a specific compound having high maximum temperature and small viscosity as a first component, and a specific compound having large positive dielectric anisotropy as a second component, and may contain a specific compound having high maximum temperature or small viscosity as a third component, a specific compound having positive dielectric anisotropy as a fourth component, or a specific compound having negative dielectric anisotropy as a fifth component.


Patent
Jnc Corporation and Jnc Petrochemical Corporation | Date: 2016-08-19

Provided is a liquid crystal compound satisfying at least one of physical properties such as high stability to heat and light, a high clearing point (or high maximum temperature), low minimum temperature of a liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, a suitable elastic constant and good compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. A compound is represented by formula (1), for example: wherein, R^(1 )and R^(2 )are independently alkenyl having 2 to 10 carbons; ring A^(1), ring A^(2 )and ring A^(3 )are independently 1,4-phenylene or 1,4-phenylene in which at least one piece of hydrogen is replaced by fluorine or chlorine; Z^(1 )and Z^(2 )are independently alkylene having 1 to 4 carbons, and at least one of Z^(1 )and Z^(2 )may be a single bond; and a is 1 or 2.


Patent
Jnc Corporation and Jnc Petrochemical Corporation | Date: 2016-05-23

The disclosure shows a liquid-crystal composition having at least one or suitable balance regarding at least two of characteristics such as high maximum temperature of nematic phase, low minimum temperature thereof, small viscosity, suitable optical-anisotropy, large dielectric-anisotropy, large specific resistance, high stability to ultraviolet light and heat; and an AM device including the composition and having short response time, large voltage holding ratio, large contrast ratio or long life. The liquid-crystal composition has the nematic phase and contains a specific compound having small optical-anisotropy and large positive dielectric-anisotropy as first component, a specific compound having small viscosity as second component, and may contain a specific compound having high maximum temperature or small viscosity as third component, a specific compound having large positive-dielectric anisotropy as fourth component or a specific compound having negative dielectric-anisotropy as fifth component, and a liquid-crystal display device includes the composition.


Patent
Jnc Corporation and Jnc Petrochemical Corporation | Date: 2016-06-12

To show a liquid-crystal composition having at least one or a suitable balance regarding at least two of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature thereof, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light and heat; and an AM device including the composition and having short response time, a large voltage holding ratio, low threshold voltage, a large contrast ratio or a long service life. The liquid-crystal composition has negative dielectric anisotropy and contains a specific compound having a high maximum temperature and small viscosity as a first component, and the composition may contain a specific compound having large negative dielectric anisotropy as a second component, a specific compound having a high maximum temperature or small viscosity as a third component, and a specific compound having a polymerizable group as an additive component.


Patent
JNC Corporation and JNC Petrochemical Corporation | Date: 2016-05-18

To provide a polymerizable compound having high polymerization reactivity, a high conversion ratio and high solubility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared from the composition and a liquid crystal display having the composite. The invention provides a polymerizable compound, the polymerizable compound being a compound which consists of three or four rings in a serial shape and not being mutually condensed, having three or more polymerizable groups, wherein at least one of the polymerizable groups thereof is combined with a ring which is not an either terminal of the three or four rings. The invention provides a polymerizable composition containing the polymerizable compound above and a liquid crystal composition. The invention provides liquid crystal composite prepared from the polymerizable composition above, and a liquid crystal display device thereof.


To provide a liquid crystal compound satisfying at least one of physical properties such as a high stability to heat, light and so forth, a high clearing point, a low minimum temperature of a liquid crystal phase, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, a suitable elastic constant and an excellent compatibility with other liquid crystal compounds. The compound is represented by formula (1). In the formula, for example, R^(1) and R^(2) are alkyl having 1 to 15 carbons; ring A^(1) and ring A^(2) are 1,4-cyclohexylene or 1,4-phenylene, Z^(1) and Z^(2) are a single bond, -(CH_(2))_(2)-, -CH=CH-, -CC-, -COO-, -OCO-, -CH_(2)O-, -OCH_(2)-, -CF_(2)O-, -OCF_(2)- or -CF=CF-, a and b are 0, 1 or 2, and a sum of a and b is 1 or 2.


Patent
Jnc Corporation and Jnc Petrochemical Corporation | Date: 2016-03-30

A polymerizable liquid crystal composition contains a polymerizable liquid crystal compound having good solubility, and is well-aligned without dissolving a substrate or a base material when coated onto the substrate. Moreover, the polymerizable liquid crystal composition causes no coating film unevenness during coating so that a smooth optically anisotropic body can be obtained. The polymerizable liquid crystal composition contains at least one kind of polymerizable liquid crystal compound having one or more polymerizable functional groups in one molecule, and a solvent, wherein the solvent includes a diacetate solvent and a ketone solvent.


Patent
JNC Fibers Corporation and JNC Petrochemical Corporation | Date: 2016-09-28

To provide a liquid crystal composition having a suitable balance regarding at least one or two of characteristics such as a high maximum temperature of a nematic phase, a low minimum temperature thereof, small viscosity, suitable optical anisotropy, large positive dielectric anisotropy, large dielectric constant in a minor axis direction of the liquid crystal molecules, large specific resistance, high stability to ultraviolet light and heat; and an AM device including the composition and having a short response time, a large voltage holding ratio, a large contrast ratio or a long service life. The liquid crystal composition contains a specific compound having high maximum temperature and low minimum temperature as a first component, and the composition may contain a specific compound having large positive dielectric anisotropy as a second component, a specific compound having high maximum temperature or small viscosity as a third component, a specific compound having large positive dielectric anisotropy as a fourth component, or a specific compound having negative dielectric anisotropy as a fifth component.


Patent
JNC Corporation and JNC Petrochemical Corporation | Date: 2016-05-04

To provide a liquid crystal composition satisfying at least one characteristic such as high maximum temperature of a nematic phase, low minimum temperature thereof, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to ultraviolet light, heat or the like, or having a suitable balance regarding at least two of the characteristics; and an AM device having characteristics such as short response time, a large voltage holding ratio, low threshold voltage, a large contrast ratio and a long service life. The liquid crystal composition contains a compound that can contribute to high stability to heat or ultraviolet light, has negative dielectric anisotropy and the nematic phase, and the liquid crystal composition contains a specific compound having large negative dielectric anisotropy as a first component, and may contain a specific compound having high maximum temperature or small viscosity as a second component and a specific compound having large negative dielectric anisotropy as a third component.


Patent
Jnc Corporation and Jnc Petrochemical Corporation | Date: 2016-07-06

A solution is a compound represented by formula (1), a liquid crystal composition containing the compound and a liquid crystal display device including the composition. In formula (1), R^(a )and R^(b )are independently alkyl having 1 to 30 carbons or the like; and X and Y are independently fluoroalkyl having 1 to 5 carbons, fluoroalkoxy having 1 to 5 carbons or pentafluorosulfanil, and one of X and Y may be fluorine.

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