TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (claimed): Synthesizing oxidation resistant OLED compounds comprises producing a keto diester derivative of a compound selected from the group consisting of alicyclic and bicyclic compounds by alkylation of an enol of an acetonedicarboxylic acid ester; converting the keto compound to a bromo compound; converting the bromo compound by a Miyaura borylation reaction to an alkylboronic acid pinacol ester; coupling the ester to a biphenyl derivative; ring-closing the derivative to form a 9-spiro-substituted ring system; dihalogenating the resulting spiro-substituted fluorenes; and incorporating the dihalogented compounds into reactive mesogen backbones. The diester is converted to an alkyl substituted ring system by reduction; or the diester is converted to an alkyl substituted ring system by reaction with Grignard or alkyl lithium reagents followed by reduction. Preferred Components: There are no hydrogens alpha to the imposition of the fluorene ring system or any of the fluorene ring systems. The additional fluorine ring systems comprise at least one of benzene, naphthalene, indene, and other fluorene ring systems. S represents a flexible spacer comprising a chain of single bonded atoms, where the chain comprises an alkyl chain, where the alkyl chain contains one or more hetero atoms; B represents a cross-linking chemical group, where the cross-linking chemical group comprises a methacrylate group or the cross-linking chemical group comprises a 1,4-pentadien-3-yl group; and A represents a substantially linear, covalently bonded chain, where the chain comprises a chain of aromatic or heteroaromatic diradicals represented by -Ar-(-Fl-Ar-)n-, where Ar is an aromatic or heteroaromatic diradical, preferably Ar comprises a 1,4-phenylene, a biphenyl-4,4'-diyl, a terphen-4,4''-diyl, a naphthalene- 1,4-diyl, a thiophene-2,5-diyl, a pyrimidine-2,5-diyl, a perylene-3,10-diyl, a pyrene-2,7-diyl, a 2,2'-dithiophen-5,5'-diyl, a an oxazole-2,5-diyl, a thieno(3,2-b)thiophene-2,5-diyl, a dithieno(3,2-b:2',3'-d)thiophene-2,6-diyl, or an imidazo(4,5-d)imidazole-2,5-diyl diradical, or a single bond. Fl comprises a fluorene-2,7-diyl diradical spiro substitute at the 9 position on the fluorene ring with an alicyclic ring system where the alicyclic substituent has no hydrogens substituted on the two carbon atoms immediately adjacent the carbon atom at position 9 in the fluorene ring system. Preferably, Fl comprises a diradical selected from fluorine derivatives of formulae 3-23.X=may be selected independently from CH, N, CR', or CF3;R' and R''=CnH2n+1;n=1-5;Y and Z=selected independently from CH2, CHR'', CR''2, NH, NR'', O, S, SO, O=S=O, and C=O; andR=independently selected from H or CnH2n+1.Preferred Compounds: The fluorene compounds have either a thermodynamically stable or a monotropic liquid crystalline phase; have either a thermodynamically stable or a monotropic nematic phase; or have either a thermodynamically stable or a monotropic smectic phase. Additionally, the fluorene compounds are fluorescent light emitters or phosphorescent light emitters. Preferred Mixture: The mixture has liquid crystalline phase, where the liquid crystalline phase is thermodynamically stable. The liquid crystalline phase is monotropic, nematic, or smectic. The mixture comprises two constituent components having different hole mobilities and where the mixture is formulated so as to have a hole mobility intermediate between the two constituent mobilities; comprises two constituent components having different electron mobilities and where the mixture is formulated so as to have an electron mobility intermediate between the two constituent mobilities; comprises two constituent components where the first two constituent components emits light at a shorter wavelength than the second constituent component and the spectral emission band of the first component overlaps the spectral absorption band of the second component, where energy absorption by the second component at the wavelength of the absorption band leads to fluorescent or luminescent light emission; or comprises two components both of which are compounds according to claim 5, where the cross-linking groups B of the two compounds are different and where the B group of the first compound is electron deficient as compared to the B group of the second compound, and where the polymerization of the mixture may initiated by photoinduced transfer of an electron from the second to first compound. The electron-deficient group is a maleimide, a maleate, or a fumarate. Electron-rich group is a vinyl ether, a propenyl ether, or some other alkenyl ether.    TECHNOLOGY FOCUS - POLYMERS - Preferred Polymer: In the polymer, the cross-link material is the mixture. The cross-linking is radiation induced or thermally induced. Radiation is electromagnetic radiation, ultraviolet radiation, or a particle beam. The polymer or OLED compound is polymerized while in an aligned liquid crystalline phase. The polymeric material has a liquid crystal structure where the linear molecular cores comprising the polymer have their long axes uniformly aligned in the same direction. Preferred Structure: In the structure, each of the polymer layers has a different composition one from the other in that are formed from at least one different OLED compound. The structure comprises a p-n junction between layers of the polymer. It is a diode. The two regions are adjacent each other. The polymers in the two regions are have a different composition one from the other in that they are formed from at least one different OLED compound. Preferred Diode: The OLED further comprises a hole injection layer between the anode and the light emissive layer; or comprises a hole transporting layer between the light emissive layer and the anode. The hole transporting layer comprises the polymer. The OLED also comprises an electron transporting layer between the light emissive layer and the cathode. The electron transporting layer comprises the polymer. It is also a hole blocking layer. The diode further comprises a liquid crystal photoalignment layer between the anode and the electron-transporting layer; or liquid crystal photoalignment layer between the anode and the light emitting layer. The light emitting device, diode, or dot matrix display device is configured to emit polarized light. Liquid crystal photoalignment layer aligns the molecules of liquid crystalline material before the material is cross-linked to form the hole transporting layer; or liquid crystal photoalignment layer aligns the molecules of liquid crystalline material before the material is cross-linked to form the light emitting layer. Liquid crystalline structure of the hole transporting layer aligns the molecules of a layer of liquid crystalline material according to claim 1 before the material is cross-linked to form the light emitting layer. In dot matrix display device, the patterned OLED elements comprise two or more sets of elements configured with light emitting layers of different compositions so as to emit light of different colors. The patterned OLED elements comprise three sets of elements configured with light emitting layers of different compositions so as to emit red, green, and blue light respectively. Preferred Definitions:    X=CH;    Y and Z=CH2 or CHR'';    R and R''=independently selected from H, methyl, ethyl or propyl groups, preferably R are alkyl groups and the 9-position in the fluorene nucleus has steric shielding from attack by reactive species or R groups are all the same;    n=3-6;    Ar=a polycyclic aromatic hydrocarbon, a polycyclic aromatic heterocycle, or a 3,4,5-triaryl substituted 1,2,4-triazole; and    T=independently selected from hydrogen, halogen, aryl, or aryl substituted with a cyano, hydroxyl, glycidyl ether, acrylate ester, methacrylate ester, ethenyl, ethynyl, maleimide, nadimide, trialkylsiloxy, or trifluorovinyl ether moieties.    EXAMPLE - No example given.