50results about How to "Reduce box thickness" patented technology

The invention discloses a dicyclohexyl ethylene group substituted diphenylacetylene liquid crystal compound and a preparation method thereof. The structural general formula of the dicyclohexyl ethylene group substituted diphenylacetylene liquid crystal compound is shown in the specification, wherein (F)m, (F)n and (F)x respectively represent fluorine atom substitution, m, n and x represent substitution number of the fluorine atoms and the value of m, n and x is 0 or 1, and the cyclohexyl is trans-cyclohexyl; both R and R' represent C1-C15 alkyl, C1-C15 alkenyl, C1-C15 alkoxy, C1-C15 alkenyloxy, fluoro-substituted C1-C15 alkyl or fluoro-substituted C1-C15 alkenyl. The dicyclohexyl ethylene group substituted diphenylacetylene liquid crystal compound not only has high clearing point, wide nematic phase section, large birefringence, and low optical absorption coefficient, but also has low melting point, low viscosity and good intermiscibility, and can be used in liquid crystal optical elements; the dicyclohexyl ethylene group substituted diphenylacetylene liquid crystal compound with side fluorine can also be used in a double frequency liquid crystal display mode.

The invention relates to a nematic liquid crystal composition. The composition contains at least a nematic liquid crystal compound as shown in the formula (I), at least a nematic liquid crystal compound as shown in the formula (II), at least a nematic liquid crystal compound as shown in the formula (III), at least a nematic liquid crystal compound as shown in the formula (IV), at least a nematic liquid crystal compound as shown in the formula (V) and at least an optionally optically active compound. The nematic liquid crystal composition provided by the invention has high birefringence, low visco-elastic coefficient ratio gamma 1 / k11 and a wide phase transition temperature range. In addition, the liquid crystal composition has high ultraviolet ray stability and high thermal stability.

The invention relates to a TFT-LCD array baseplate and a manufacturing method thereof. The array baseplate comprises a grid wire and a data wire, wherein the grid wire and the data wire are formed on the baseplate, a pixel electrode and a thin film transistor are formed in a pixel region limited by the grid wire and the data wire, and the thin film transistor comprises a grid electrode, a grid insulating layer, a source electrode, a drain electrode, a doped semiconductor layer, a semiconductor layer and a passivation layer, wherein the grid electrode is formed on the baseplate, the grid insulating layer is formed on the grid electrode and covers the whole baseplate, the source electrode and the drain electrode are formed on the grid insulating layer, the doped semiconductor layer and the semiconductor layer are formed between the source electrode and the drain electrode in a transverse arrangement mode, and the passivation layer is formed on a structural graph. In the invention, the doped semiconductor layer and the semiconductor layer are arranged between the source electrode and the drain electrode in the transverse arrangement mode, thereby not only effectively reducing the internal segment difference and avoiding the rupture of a subsequently deposited thin film, but also reducing the thickness of the structural graph, reducing the box thickness and increasing the responsespeed of liquid crystals.

The invention provides a blue phase liquid crystal Fresnel lens and a preparation method thereof, and belongs to the technical field of naked eye 3D (three-dimensional) display. The invention aims at solving the problems that along with the liquid crystal display dimension increase, the TN box thickness is increased; the liquid crystal molecule response speed is decelerated; during the 2D / 3D switching, the dynamic image fuzziness occurs, and the watching effect is influenced. The blue phase liquid crystal Fresnel lens has the first technical scheme that the blue phase liquid crystal Fresnel lens comprises an upper base plate, an upper base plate transparent plane electrode layer, a lower base plate transparent plane electrode layer, a lower base plate Fresnel arc surface structure polymer layer, a blue phase liquid crystal layer and a lower base plate, wherein the blue phase liquid crystal layer is arranged between the upper base plate transparent plane electrode layer and the lower base plate Fresnel arc surface structure polymer layer. The blue phase liquid crystal Fresnel lens has the second technical scheme that the blue phase liquid crystal Fresnel lens comprises the upper base plate, the upper base plate Fresnel concave arc surface structure polymer layer, an upper base plate Fresnel concave arc surface structure polymer layer forming electrode layer, a lower base plate transparent flaky electrode layer, a dielectric layer, a blue phase liquid crystal layer and a lower base plate, wherein the blue phase liquid crystal layer is arranged among the upper base plate Fresnel concave arc surface structure polymer layer forming electrode layer, the lower base plate transparent flaky electrode layer and the dielectric layer.