8results about How to "HD highlights" patented technology

The present invention discloses a liquid crystal compound and a composition with high-definition bright spots and low dielectric loss, as well as a high-frequency component containing the composition. The structure of the liquid crystal compound is shown in the general formula (I): wherein ring A and ring B are cyclohexyl, cyclohexenyl or benzene ring respectively; X 1 ~X 4 One of them is a methyl group, and the rest are hydrogen atoms; R is a straight-chain alkyl group, a straight-chain alkoxy group, a straight-chain fluoroalkyl group having 1 to 9 carbon atoms, or an alkenyl group or alkenyloxy group having 2 to 9 carbon atoms; m and n are 0 or 1; and the composition contains 1% to 40% of the compound represented by the general formula (I). The liquid crystal compound of the present invention has an extremely high clearing point and extremely low dielectric loss. The liquid crystal composition containing the compound of the present invention has an extremely high clearing point, and the temperature sensitivity of the dielectric properties is greatly reduced, which is very suitable for high-frequency devices working in high-temperature environments.

The present invention provides a liquid crystal composition and a liquid crystal display device comprising the same, wherein the liquid crystal composition comprises at least one compound of formula I and at least one compound of formula II. Through the selection and compounding of components, the liquid crystal composition has a higher clearing point, appropriate optical anisotropy, appropriate dielectric anisotropy, lower rotational viscosity, a larger elastic constant K value, a shorter response time and a faster response speed, a smaller dark state transmittance, a larger bright state transmittance and a higher contrast, so that the liquid crystal display device comprising the same has a better contrast, a higher transmittance, a faster response speed, a shorter refresh time and a wider operating temperature range, which helps to significantly improve the display effect of the liquid crystal display and is suitable for display modes such as VA, PSVA, IPS, and NFFS.

The invention provides a cholesteric liquid crystal composition, a liquid crystal display device containing the cholesteric liquid crystal composition and application of the cholesteric liquid crystal composition. The cholesteric liquid crystal composition comprises at least one liquid crystal composition A, at least one chiral agent and at least one dye, and the liquid crystal composition A comprises at least one compound as shown in a general formula I and at least one compound as shown in a general formula II. The cholesteric liquid crystal composition disclosed by the invention has a relatively high clearing point, a relatively good contrast ratio and a smaller lambda max under the condition of maintaining a relatively small P-state voltage, that is, the reflection wavelength change of a side view angle (45 degrees) of the cholesteric liquid crystal composition disclosed by the invention is smaller. # imgabs0 #

The invention provides a liquid crystal composition which has a higher clearing point and higher dielectric anisotropy, can dissolve more dichroic dyes when being applied to guest-host liquid crystals, and has higher thermal stability.

This invention provides a liquid crystal composition comprising 40%–70% component I, 0%–20% component II, 0%–20% component III, 5%–40% component IV, and 0%–30% component V. This liquid crystal composition exhibits a high clearing point and low rotational viscosity, which is beneficial for increasing the operating temperature range of the liquid crystal material and improving its response speed.

The invention relates to a liquid crystal composition and application thereof, and also provides a liquid crystal display element or a liquid crystal display comprising the liquid crystal composition. The liquid crystal composition has low viscosity and high clearing point at low temperature, can be used for various display mode devices, and can broaden the working temperature range of the liquid crystal display device and improve the response speed of the liquid crystal display device at low temperature.

The present invention provides a liquid crystal composition containing a dibenzo derivative and a liquid crystal display device thereof. The liquid crystal composition of the present invention has a higher clearing point, a higher optical anisotropy, a higher absolute value of dielectric anisotropy, a larger average elastic constant, a lower threshold voltage, a shorter response time, a higher contrast, a longer low-temperature storage time and a higher voltage holding rate (VHR (initial) and VHR (UV)), so that the liquid crystal display device containing the liquid crystal composition has a wider temperature use range, a higher contrast, lower power consumption, a lower threshold voltage, a faster response speed, better low-temperature stability and higher reliability, thereby having a wider range of applications.

The invention provides a liquid crystal composition and a liquid crystal display device thereof. The liquid crystal composition comprises at least one compound as shown in a general formula I and at least one compound as shown in a general formula N, wherein the compound as shown in the general formula I accounts for 0.1-50% of the liquid crystal composition in percentage by weight. The invention also provides a liquid crystal display device containing the liquid crystal composition. The liquid crystal composition provided by the invention has relatively high optical anisotropy, relatively high clearing point, relatively high transmittance, relatively high epsilon perpendicular to / delta epsilon, relatively large Kave and good low-temperature stability, so that a liquid crystal display device comprising the liquid crystal composition provided by the invention has relatively high transmittance and relatively low light scattering; according to the liquid crystal composition disclosed by the invention, a liquid crystal display device containing the liquid crystal composition can obtain a good display effect. # imgabs0 #