The invention provides a lighting device (10) comprising a light source (100) configured to generate light source light (101) and a light converter element (200), wherein the light converter element (200) comprises a light transmissive matrix (205), wherein the light transmissive matrix (205) comprises: (i) a first luminescent material (210) configured to convert at least part of one or more of (a) the light source light (101) and (b) optionally a second luminescent material light (221) from an optional second luminescent material (220) into a first luminescent material light (211); and (ii) a thermo-responsive liquid crystalline compound (250); wherein the light transmissive matrix (205) is configured in thermal contact with the light source (100), and wherein the lighting device (10) is further configured to provide lighting device light (11) comprising said light source light (101), said first luminescent material light (210) and optionally said second luminescent material light (221), and wherein said light converter element is arranged for changing one or more of the color and color temperature of the lighting device light with the electrical power provided to the light source.

A liquid crystal emulsification method that can reduce formulation restriction and adjust the size of a dispersed phase with small variation in size of the dispersed phase, and a liquid crystal emulsion are provided. The liquid crystal emulsification method includes: adding a moisture content and/or an oil content at a predetermined ratio to a surfactant having an HLB falling within a predetermined range; and setting a temperature during formation of a dispersion or an emulsion to a predetermined temperature, to adjust a lamellar liquid crystal having a regular molecular arrangement in which the oil content and/or the moisture content are alternately arranged in a bilayer membrane formed from the surfactant.

An electronic switching element is described having, in sequence, a first electrode, a molecular layer bonded to a substrate, and a second electrode. The molecular layer contains compounds of formula I, R.sup.1-(A.sup.1-Z.sup.1).sub.r—B.sup.1—(Z.sup.2-A.sup.2).sub.s-Sp-G, wherein A.sup.1, A.sup.2, B.sup.1, Z.sup.1, Z.sup.2, Sp, G, r, and s are as defined herein, in which a mesogenic radical is bonded to the substrate via a spacer group, Sp, by means of an anchor group, G. The switching element is suitable for production of components that can operate as a memristive device for digital information storage.

The present application discloses a display substrate. The display substrate includes a base substrate; a color filter on the base substrate and including a plurality of color filter blocks; and an actuator configured to actuate each of the plurality of color filter blocks thereby controlling a wavelength of light transmitted through each of the plurality of color filter blocks.

The present invention relates to thermotropic ionic liquid crystal molecules of general formula (I) ##STR00001##
With E.sub.1 and E.sub.2, which may be identical or different, representing, independently of one another, a linear, saturated and unsubstituted C.sub.10 to C.sub.14 hydrocarbon-based radical, A.sup.x− representing a sulfonate anion or a sulfonylimide anion of formula —SO.sub.2—N.sup.−—SO.sub.2C.sub.yF.sub.2y+1 with y being an integer ranging from 0 to 2 and C.sup.x+ a sodium, lithium or potassium ion, most particularly advantageous for their conductivity performance qualities as an electrolyte in particular for lithium batteries.

The present invention relates to thermotropic ionic liquid crystal molecules of general formula (I) ##STR00001##
With E.sub.1 and E.sub.2, which may be identical or different, representing, independently of one another, a linear, saturated and unsubstituted C.sub.10 to C.sub.14 hydrocarbon-based radical, A.sup.x− representing a sulfonate anion or a sulfonylimide anion of formula —SO.sub.2—N.sup.−—SO.sub.2C.sub.yF.sub.2y+1 with y being an integer ranging from 0 to 2 and C.sup.x+ a sodium, lithium or potassium ion, most particularly advantageous for their conductivity performance qualities as an electrolyte in particular for lithium batteries.

A dye composition dissolvable within a liquid crystal host device (including: polymer dispersed liquid crystal, polymer network liquid crystal, polymer stabilized liquid crystal, liquid crystal displays and similar devices), comprising eutectic mixtures of dichroic metallomesogen molecules. The aforesaid metallomesogen molecules comprise chromophore groups synthesized by physical and chemical mixing methods.

Nonlinear optical chromophore compositions which display lyotropic nematic liquid crystal phases in polar organic solvents and provide a mechanical anisotropic effect allowing for the formation of a non-centrosymmetric chromophore-polymer matrix without the application of an electric field.

A bistable liquid crystal film, comprising: a. at least one first transparent flexible film coated with conductive material; b. at least one layer of liquid crystal dispersions characterized by at least two modes (i) scattering mode-A; and (ii) transparent mode-B; allocated between said flexible transparent conductive film and at least one second transparent flexible conductive film; wherein said liquid crystal dispersion comprises metal-organic mesogens.

A bistable liquid crystal film, comprising: a. at least one first transparent flexible film coated with conductive material; b. at least one layer of liquid crystal dispersions characterized by at least two modes (i) scattering mode-A; and (ii) transparent mode-B; allocated between said flexible transparent conductive film and at least one second transparent flexible conductive film; wherein said liquid crystal dispersion comprises metal-organic mesogens.