Patent application number | Description | Published |
20140002785 | PHOTO-CURABLE COMPOSITION, OPTICAL ANISTROPIC FILM AND ITS PREPARATION METHOD | 01-02-2014 |
20140034883 | POLYMERIZABLE LIQUID CRYSTAL COMPOUNDS, LIQUID CRYSTAL COMPOSITION COMPRISING THE COMPOUNDS, AND OPTICALLY ANISOTROPIC BODY COMPRISING THE COMPOSITION - The present invention relates to a polymerizable liquid crystal compound, a liquid crystal composition including the same, and an optically anisotropic body. The polymerizable liquid crystal compound according to the present invention has not only high birefringence but also excellent coating orientation, and thus it is possible to prepare a optically anisotropic body which is thin but superior in optical properties. | 02-06-2014 |
20140072730 | Photoalignment Polyimide Copolymer and Liquid Crystal Alignment Layer - Disclosed therein are a photoalignment polyimide copolymer making it easier to form a liquid crystal alignment layer with excellences in alignment properties, thermal and structural stabilities, and adhesiveness to a substrate, and a liquid crystal alignment layer using the same. The photoalignment polyimide copolymer includes all the three types of repeating units each having a defined structure. | 03-13-2014 |
20150099820 | POLYMERIZABLE LIQUID CRYSTAL COMPOUND, A LIQUID CRYSTAL COMPOSITION COMPRISING THE COMPOUND, AND AN OPTICALLY ANISOTROPIC BODY - The present invention relates to a polymerizable liquid crystal compound, a liquid crystal composition including the same, and an optically anisotropic body. The polymerizable liquid crystal compound according to the present invention has not only high birefringence but also excellent coating orientation, and thus it is possible to prepare a optically anisotropic body which is thin but superior in optical properties. | 04-09-2015 |
20150112035 | POLYMERIZABLE LIQUID CRYSTAL COMPOUND, A LIQUID CRYSTAL COMPOSITION COMPRISING THE COMPOUND, AND AN OPTICALLY ANISOTROPIC BODY COMPRISING THE SAME - The present invention relates to a polymerizable liquid crystal compound, a liquid crystal composition including the same, and an optically anisotropic body. The polymerizable liquid crystal compound according to the present invention has not only large solubility in various solvents but also high birefringence and excellent coating orientation, and thus it can provide an optically anisotropic body which is thin but superior in optical properties. | 04-23-2015 |
20150115199 | POLYMERIZABLE LIQUID CRYSTAL COMPOUND, POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, AND OPTICALLY ANISOTROPIC BODY - The present description relates to a polymerizable liquid crystal compound, a polymerizable liquid crystal composition including the same, and an optically anisotropic body. The polymerizable liquid crystal compound includes a radical derived from the first liquid crystal molecule including a mesogen group having a non-aromatic ring; a radical derived from the second liquid crystal molecule including a mesogen group that has a structure different from said mesogen group having a non-aromatic ring and includes a ring containing a double bond; and a linker that has a specific structure and links the sp3-hybridized carbon in the non-aromatic ring of the radical derived from the first liquid crystal molecule and the sp2-hybridized carbon in the mesogen group of the radical derived from the second liquid crystal molecule, wherein at least one of the radicals derived from the first and the second liquid crystal molecules may include one or more polymerizable groups which are connected to the mesogen group directly or via spacer groups. Such polymerizable liquid crystal compound makes it possible to exhibit stable reverse wavelength dispersion solely or by being mixed with other liquid crystal materials. | 04-30-2015 |
20150219794 | PHOTO-ALIGNMENT COPOLYMER, OPTICAL ANISTROPIC FILM AND ITS PREPARATION METHOD (As Amended) - This invention relates to a photo-alignment copolymer which enables the formation of an optical anisotropic film that exhibits superior optical anisotropy, an optical anisotropic film using the photo-alignment copolymer and a method of manufacturing the optical anisotropic film. The photo-alignment copolymer includes both of a photo-alignment repeating unit having a photo-reactive functional group such as a cinnamate-based functional group, a chalcone-based functional group, an azo-based functional group or a coumarin-based functional group, and a repeating unit having a specific structure able to increase optical anisotropy. | 08-06-2015 |
20150241737 | COMPOSITION FOR PHOTO-ALIGNMENT LAYER AND PHOTO-ALIGNMENT LAYER - This invention relates to a composition for a photo-alignment layer which can exhibit superior thermal stability, alignability, and alignment rate, and can also suppress generation of an afterimage and further improve a voltage holding ratio when applied to a liquid crystal cell, and to a photo-alignment layer and a liquid crystal alignment layer using the same. The composition for a photo-alignment layer includes a cyclic olefin-based photo-alignment polymer and a polyamic acid ester-based photo-alignment additive. | 08-27-2015 |