A polymerizable liquid crystal compound represented by Chemical Formula 1, a liquid crystal composition for an optical element comprising the same, a polymer polymerized from the same, an optically anisotropic body comprising a cured material or polymerized reactant of the liquid crystal composition or the polymer, and an optical element for a display device comprising the optical anisotropic body are disclosed herein: ##STR00001## wherein, in Chemical Formula 1, A1 to A3, B1 to B3, R1 to R3, P1 to P3, R4 to R8, l, m, n, p, q r, k, and L1 to L3 are disclosed herein.

Chromonic mesogens for optical coatings are disclosed. The chromonic mesogens may form a liquid crystal solution and be coated onto an optical element or substrate to form an optical coating.

A polymerizable liquid crystal compound represented by Chemical Formula 1, a liquid crystal composition for an optical element comprising the same, a polymer polymerized from the same, an optically anisotropic body comprising a cured material or polymerized reactant of the liquid crystal composition or the polymer, and an optical element for a display device comprising the optical anisotropic body are disclosed herein.

This invention relates to the biosynthetic production of macrocyclic molecules from linear precursor peptides that contain highly truncated C terminal recognition sequences of 10 or fewer residues using prolyl oligopeptidase (POP) macrocyclases. This may be useful for example in the biosynthetic production of macrocyclic molecules. Methods and kits for the production of macrocyclic molecules, as well as libraries and methods of screening, are provided.

The present invention relates to compounds which are suitable for use in electronic devices, preferably organic electroluminescent devices.

Provided are a reactive mesogen that may improve display quality of a liquid crystal display, and a liquid crystal composition including the same. The reactive mesogen is represented by the following Formula:

BZ.sub.1.sub.b1XZ.sub.2.sub.b2Pa where X, Z1, Z2, B, and Pa are specified in the disclosure, and each of b1 and b2 is independently an integer between 0 to 6, inclusive.

Novel dithiopyrrolopyrrole derivatives having dichroic properties which have very high photostability in solution in a liquid-crystalline host are proposed.

Provided are a reactive mesogen that may improve display quality of a liquid crystal display, and a liquid crystal composition including the same. The reactive mesogen is represented by the following Formula:

##STR00001## where A.sub.1, A.sub.2, and A.sub.3 are each independently a substituted or unsubstituted divalent hydrocarbon ring, or a substituted or unsubstituted divalent heterocycle, L.sub.1 and L.sub.2 are each independently a direct linkage, O, S, CO, COO, OCOO, O(CH.sub.2).sub.k1, S(CH.sub.2).sub.k1, O(CF.sub.2).sub.k1, S(CF.sub.2).sub.k1, (CH.sub.2).sub.k1, CF.sub.2CH.sub.2, (CF.sub.2).sub.k1, CHCH, CFCF, CC, CHCHCOO, or (CH.sub.2).sub.k1COO(CH.sub.2).sub.k2O, Z.sub.1 and Z.sub.2 are each independently a direct linkage, O, S, CO, COO, OCOO, O(CH.sub.2).sub.m1, S(CH.sub.2).sub.m1, O(CF.sub.2).sub.m1, S(CF.sub.2).sub.m1, (CH.sub.2).sub.m1, CF.sub.2CH.sub.2, (CF.sub.2).sub.m1, CHCH, CFCF, CC, CHCHCOO, (CH.sub.2).sub.m1COO, (CH.sub.2).sub.m1COO(CH.sub.2).sub.m2O, CH(S.sub.pPa), CH.sub.2CH(S.sub.pPa), or (CH(S.sub.pPa)CH(S.sub.pPa)), Pa is a polymerizable group, B is an unsubstituted heterocycle, a substituted or unsubstituted crown ether group, or

##STR00002##

wherein T.sub.1 and T.sub.2 are each independently OH, CH.sub.3, CF.sub.3, CHF.sub.2, CH.sub.2F, CH.sub.2Br, CHBr.sub.2, CHCl.sub.2, or CH.sub.2Cl.

The present invention relates to: a polymerizable compound (I), wherein Y.sup.1 to Y.sup.6 are a chemical single bond, OC(O), C(O)O or the like, G.sup.1 and G.sup.2 are a divalent aliphatic group, Z.sup.1 and Z.sup.2 are an alkenyl group, A.sup.x is a fused ring group represented by a formula (II), wherein X is NR.sup.3, an oxygen atom, a sulfur atom or the like, R.sup.3 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and D is a substituted or unsubstituted ring having 1 to 20 carbon atoms that includes at least one nitrogen atom, A.sup.y is a hydrogen atom, an alkyl group, A.sup.1 is a trivalent aromatic group or the like, A.sup.2 and A.sup.3 are a divalent aromatic group having 6 to 30 carbon atoms or the like, and Q.sup.1 is a hydrogen atom, or an alkyl group having 1 to 6 carbon atoms. ##STR00001##

A polymer having a partial structure formed by performing radical polymerization with respect to a compound having a mesogenic group derived from at least one type of liquid crystal compound selected from a rod-like liquid crystal compound and a disk-like liquid crystal compound, and two or more polymerizable groups, in which the polymer is a branched polymer, and a composition containing the polymer, an optical film, and a liquid crystal display device.