The present invention relates to dielectrically positive liquid-crystalline media comprising one or more compounds of the formula I and/or TINUVIN 770,

##STR00001##

in which the parameters have the respective meanings indicated in the specification, and optionally one or more further dielectrically positive compounds and optionally one or more further dielectrically neutral compounds, and to liquid-crystal displays, especially active-matrix displays and in particular TN, IPS and FFS displays, containing these media.

The instant invention relates to mesogenic media comprising one or more compounds of formula G ##STR00001##
wherein the parameters are as specified in the text, preferably to mesogenic media showing a blue phase, preferably stabilised by a polymer, and their use in electro-optical light modulation elements and their respective use in displays, as well as to such devices.

The invention relates to a liquid-crystalline medium, preferably having a nematic phase and dielectric anisotropy of 0.5 or more, which comprises one or more compounds of formula Y

##STR00001##

in which the parameters have the meanings given in the text,
to the use thereof in an electro-optical display, particularly in an active-matrix display based on the IPS or FFS effect, to displays of this type which contain a liquid-crystalline medium of this type, and to the use of the compounds of formula Y for the improvement of the transmission and/or response times of a liquid-crystalline medium which comprises one or more additional mesogenic compounds.

Provided are a curved liquid crystal display device and a method of manufacturing thereof. The curved liquid crystal display device includes a bent first substrate, a second substrate which is disposed to opposite to the first substrate and bent, a liquid crystal layer disposed between the first substrate and the second substrate, a first alignment inducing layer disposed between the first substrate and the liquid crystal layer, and a second alignment inducing layer disposed between the second substrate and the liquid crystal layer. One of the first alignment inducing layer and the second alignment inducing layer includes a polymerized reactive mesogen, and the remaining alignment inducing layer includes a polyimide. Display quality of the device may be improved.

The present invention provides a manufacture method of a liquid crystal display panel. The graphene/PEDOT:PSS composite transparent conductive films replace the traditional ITO transparent conductive films, and a polar material is mixed in the liquid crystal compound of the liquid crystal display panel. The structural formula of the polar material is A-B, wherein the main function of the head group A is to create the larger intermolecular force between the polar material and the graphene/PEDOT:PSS composite transparent conductive films, and the main function of the tail group B is similar with the function of the PI branch to vertically align the liquid crystal molecules in the steric hindrance manner to act the effect of the vertical alignment; i.e. the polar material can generate a larger intermolecular force with the graphene/PEDOT:PSS composite transparent conductive films, and is vertically aligned on the TFT substrate and the CF substrate.

The present invention relates to a liquid crystal (LC) medium comprising a polymerizable compound, to a process for its preparation, to its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in an LC display of the polymer sustained alignment (PSA) type, and to an LC display, especially a PSA display, comprising it.

An exemplary embodiment of the present invention provides a liquid crystal display including: a first substrate; a second substrate configured to be separated from and overlap the first substrate; a liquid crystal layer disposed between the first substrate and the second substrate and including liquid crystal molecules; a first polymer layer disposed between the first substrate and the liquid crystal layer; a second polymer layer disposed between the second substrate and the liquid crystal layer; and a plurality of protrusions disposed in at least one of a first position between the first polymer layer and the liquid crystal layer and a second position between the second polymer layer and the liquid crystal layer, in which the protrusions include polymers of reactive mesogens, and the first polymer layer and the second polymer layer include a polymer of a compound represented by Chemical Formula 1.

##STR00001##

A polymerisable LC material comprising one or more di- or multireactive mesogenic compounds and one or more compounds of formula UVI, ##STR00001##
and one or more compounds of formula UVII, ##STR00002## Further, a method for its preparation, a polymer film with improved thermal durability and UV stability obtainable from a corresponding polymerisable LC material, a method of preparation of such polymer film, and the use of such polymer film and said polymerisable LC material for optical, electro-optical, decorative or security devices.

A liquid crystal composition including: a liquid crystal compound and a liquid crystal aligning agent containing at least one compound represented by Formula 1:

##STR00001## wherein in the Formula 1, X-*, *-L.sub.1-*, *-L.sub.2-*, *-L.sub.3-*, *C*, *-R-*, Y-*, n.sub.1, n.sub.2, and m is the same as defined in the specification.

The invention relates to mesogenic media comprising one or more bimesogenic compounds, one or more nematogenic compound, one or more chiral compound and a compound of formula I,

R.sup.11-A.sup.11-(Z.sup.12-A.sup.12).sub.m-AGI

in which, the parameter A.sup.11, A.sup.12, Z.sup.12 and R.sup.11 have one of the meanings as given in claim 1, and to the use of these mesogenic media in liquid crystal devices and in particular in flexoelectric liquid crystal devices, as well as to liquid crystal devices comprising a liquid crystal medium according to the present invention.