Patent application number | Description | Published |
20090290214 | DICHROIC DYE FOR POLARIZATION FILM, COMPOSITION COMPRISING THE SAME FOR POLARIZATION FILM, METHOD FOR FORMING POLARIZATION PLATE AND POLARIZATION PLATE PREPARED THEREBY - Disclosed are a new dichroic dye having liquid crystal properties and dichroic properties and capable of being used for forming a polarization film with excellent heat resistance, durability, and polarizing properties, a composition including the same for a polarization film, a method for forming a polarization plate with excellent durability using the composition, and a polarization plate prepared thereby. The new dichroic dye has a structure of R1-L1-(M,L,D) (where, D is a dichroic structure, M is a structure with liquid crystal properties, R1 is a reactive end functional group, and L and L1 are linking structures). The composition for a polarization film includes the dichroic dye. In the method for forming the polarization plate, the composition for a polarization film is applied to a substrate and cured to prepare the polarization plate. The polarization plate has excellent dichroic ratio, heat resistance, durability, and polarizing properties. | 11-26-2009 |
20100055353 | COMPOSITION COMPRISING CURABLE DICHROIC DYE FOR FORMING OPTICAL COMPONENT AND AN OPTICAL COMPONENT PRERARED USING THE SAME - The present invention relates to a composition comprising a curable dichroic dye and a curable liquid crystal compound, which are used to prepare an optical component that is vertically oriented to give a narrow viewing angle, to form an optical component, and an optical component comprising an optical component layer prepared using the same. There is provided a composition for forming an optical component comprising 0.1-90 parts by weight of a dichroic dye and 10-98.85 parts by weight of a curable liquid crystal compound, and there is also provided an optical component comprising an optical component layer in which a curable liquid crystal compound and a curable dichroic dye are vertically oriented. The optical component comprising an optical component layer in which a curable dichroic dye and a curable liquid crystal compound are vertically oriented and which is made of the composition comprising a curable dichroic dye and a curable liquid crystal compound for forming an optical component has excellent physical properties such as heat resistance, durability to high temperature and high moisture, vertical orientation and dichroic ratio, and also adjust a narrow viewing angle. The durability in the high temperature and high moisture is due to the cross linking shape of the optical component layer. | 03-04-2010 |
20100066950 | DICHROIC DYE FOR COLOR FILTER, COMPOSITION COMPRISING THE SAME FOR COLOR FILTER AND COLOR FILTER ARRAY PREPARED THEREFROM - There is provided a novel dichroic dye having liquid crystal properties, dichroic properties and polymerizable reactivity, the dichroic dye being used to form a color filter layer having excellent physical properties such as dichroic ratio, heat resistance, durability, high contrast ratio and polarizing properties, a composition comprising the same for color filter, a color filter array plate (an upper plate) prepared therefrom, and a liquid crystal display comprising the color filter array plate. The dichroic dye has a structure of R1-L1-M-L2-D (wherein, D is a dichroic structure, M is a structure with liquid crystal properties, R1 is a reactive end functional group, and L and L1 are linking structures that link R1, M, and D), and the composition for forming a color filter layer includes the dichroic dye. Also, the color filter array plate, which comprises color filter layer formed of the composition of this invention and the liquid crystal display, which comprise the color filter array plate but does not requires an upper alignment film and/or a polarization plate are provided. The color filter array plate and the liquid crystal display comprising the same have excellent physical properties such as durability, polarizing degree, resolution and contrast ratio. | 03-18-2010 |
20100068419 | RETARDATION FILM, A METHOD FOR PREPARING RETARDATION FILM AND POLARIZER COMPRISING THE RETARDATION FILM - There is provided a retardation film capable of adjusting an angle between a proceeding direction of a film and an optical axis of liquid crystal by employing an alignment layer formed of polymers including norbornene and improving thermal stability and photoreaction rate, a method for preparing the retardation film and a polarizer comprising the retardation film. The retardation film includes a substrate, an alignment layer formed on the substrate and made of polymers including norbornene, and an alignment layer fixing layer formed on the alignment layer and made of liquid crystal materials; the method for preparing a retardation film includes: forming a polymer layer by coating a substrate with a polymer solution including norbornene and drying the polymer solution, forming an alignment layer by irradiating the copolymer layer with linearly polarized ultraviolet rays in a predetermined direction relative to a proceeding direction of a film to give an orientation to the copolymer layer, forming a liquid crystal layer on the alignment layer by coating the alignment layer with a nematic liquid crystal solution and drying the nematic liquid crystal solution, and fixing the orientation of the liquid crystal layer by curing the liquid crystal layer; and the polarizer includes the retardation film and a polarizer film, both of which are stacked with each other. The retardation film has improved thermal stability and light reaction speed, and the retardation film whose optical axis has a desired orientation angle relative to a proceeding direction of the retardation film may be easily prepared through the irradiation of polarized ultraviolet rays. | 03-18-2010 |
20100182547 | Optical film, preparation method of the same, and liquid crystal display comprising the same - The present invention relates to an optical film, a method for manufacturing the same, and a liquid crystal display device including the same. In detail, the optical film according to the present invention includes an acryl-based substrate, a liquid crystal alignment film, and a liquid crystal film, the liquid crystal alignment film can maintain strong adhesion strength between the acryl-based substrate and the liquid crystal alignment film and between the liquid crystal alignment film and the liquid crystal film by further introducing a monomer having a functional group capable of performing crosslinking reaction to the photoreactive polymer. | 07-22-2010 |
20100320494 | LUMINANCE-ENHANCING POLARISING PLATE FOR AN ORGANIC LIGHT-EMITTING ELEMENT - There is provided a polarizer for organic light emitting diodes (OLED) having improved brightness. The polarizer, which comprises a linear polarizer and a ¼ retardation plate, comprises a reflective polarizer film disposed between the linear polarizer and the ¼ retardation plate and transmitting a polarized light horizontal to the transmission axis of the linear polarizer while reflecting a polarized light vertical to the transmission axis of the linear polarizer. The polarizer may be useful to highly improve the brightness of the OLED device when the polarizer is used in the OLED device. | 12-23-2010 |
20110217638 | METHOD FOR MANUFACTURING AN OPTICAL FILTER FOR A STEREOSCOPIC IMAGE DISPLAY DEVICE - The present invention relates to a method for manufacturing an optical filter for a three-dimensional image display device, which forms an alignment layer having different orientating directions along a fine region via a one-time continuous optical orientation process. The method comprising: forming a polymer layer on a substrate; a photo-orienting step comprising positioning a pattern mask above the polymer layer, the pattern mask having alternating light transmission regions and light shield regions arranged in both horizontal and a vertical directions to selectively transmit different polarized light, positioning a polarizer above the pattern mask where the polarizer has two distinguishable regions that transmit different polarized light, and downwardly irradiating UV light onto the polymer layer from above the polarizer, thereby forming an alignment layer having different orientating directions in fine regions of the polymer layer; and forming a retardation layer on the orientation layer. The alignment layer in which the fine regions with different orientating directions are formed alternately and continuously is obtained via a one-time continuous photo-orientation process. Therefore, the photo-orientation process and the method for manufacturing the optical filter are simplified in comparison with the conventional art. As a result, the process yield and productivity in the manufacturing of an optical filter for a 3D image display device are improved. | 09-08-2011 |
20110236681 | PRESSURE SENSITIVE ADHESIVE FILM FOR AN ORIENTATING TREATMENT IN A PHOTO-ORIENTABLE LAYER - The present invention relates to a pressure sensitive adhesive film for an orientating treatment of a photo-orientable layer, a laminated film, a method for preparing an optical filter or a stereoscopic image display device. In the present invention, the pressure sensitive adhesive film for an orientating treatment in a photo-orientable layer which can minimize the generation of the un-orientated regions, and can form the orientated pattern having high degrees of accuracy, and the preparation method for an optical filter using the pressure sensitive adhesive film are provided. Further, the present invention can provide the optical filter and the stereoscopic image display device having excellent performance. | 09-29-2011 |
20110254834 | STEREOSCOPIC IMAGE DISPLAY DEVICE - The present invention may provide a stereoscopic image display device capable of preventing crosstalk or reduction of viewing angles upon displaying stereoscopic images, and improving image quality such as contrast ratio; an optical filter for the stereoscopic image display device; polarizing glasses for observing stereoscopic images; or a method of improving stereoscopic image quality. | 10-20-2011 |
20110317084 | PATTERNED RETARDATION FILM AND METHOD FOR MANUFACTURING THE SAME - A patterned retardation film includes: a substrate; a first alignment film and a second alignment film disposed on the substrate, processed by different alignment processes and having different alignment directions; and a liquid crystal layer disposed on the first alignment film and the second alignment film, wherein the liquid crystal layer is patterned into a first region, which is aligned by the first alignment film, and a second region, which is aligned by the second alignment film. | 12-29-2011 |
20120013834 | LIQUID CRYSTAL FILM - Provided are a liquid crystal film, a method of manufacturing a liquid crystal film, a method of controlling an average tilt angle of the liquid crystal film, a polarizing plate, and a liquid crystal display device. A liquid crystal film that has excellent properties including durability and an optical property and is capable of being effectively used for various uses may be provided. In addition, the physical properties of the liquid crystal film may be easily controlled according to a desired use. | 01-19-2012 |
20120013978 | PRESSURE SENSITIVE ADHESIVE FILM FOR AN ORIENTATING TREATMENT IN A PHOTO-ORIENTABLE LAYER - The present invention relates to a pressure sensitive adhesive film for an orientating treatment of a photo-orientable layer, a laminated film, a method for preparing an optical filter or a stereoscopic image display device. In the present invention, the pressure sensitive adhesive film for an orientating treatment in a photo-orientable layer which can minimize the generation of the un-orientated regions, and can form the orientated pattern having high degrees of accuracy, and the preparation method for an optical filter using the pressure sensitive adhesive film are provided. Further, the present invention can provide the optical filter and the stereoscopic image display device having excellent performance. | 01-19-2012 |
20120044568 | POLARIZING GLASSES - Provided are polarized glassed and a stereoscopic image display device. According to one embodiment of the present invention, the crosstalk can be prevented without sacrificing brightness when a stereoscopic image is observed, and the stereoscopic image with the excellent quality can be observed at a wider viewing angle. | 02-23-2012 |
20120092742 | MASK - A light irradiation apparatus and a method of manufacture a photo-aligning layer are disclosed. A mask included in a light irradiation apparatus according to one embodiment is configured to irradiate the light having straightness at a high level of illumination to a subject that is apart from the mask with a certain distance. A photo-aligning layer with a desired alignment pattern can be fabricated using the mask. | 04-19-2012 |
20120162203 | STEREOSCOPIC IMAGE DISPLAY DEVICE - Provided are a stereoscopic image display device and a method of manufacturing the same. The method of manufacturing a stereoscopic image display device and the stereoscopic image display device manufactured by the method may minimize a phenomenon capable of degrading a stereoscopic image quality such as crosstalk, have wide viewing angle and excellent contrast characteristics and realize excellent quality of the stereoscopic image. | 06-28-2012 |
20120212692 | LIQUID CRYSTAL FILM - A liquid crystal film, a method for manufacturing the same, a polarizing plate, and a liquid crystal display are provided. The liquid crystal film has excellent physical properties such as durability and an optical physical property so that it can be effectively used for various applications. In addition, the physical property of the liquid crystal film can be controlled according to desired purposes. | 08-23-2012 |
20120212815 | STEREOSCOPIC IMAGE DISPLAY DEVICE - A stereoscopic image display device and a method for manufacturing a stereoscopic image display device are provided. A stereoscopic image display device that does not generate a crosstalk or a ghost phenomenon, can secure a wide viewing angle and realize excellent image qualities during displaying a 3D image may be provided. | 08-23-2012 |
20120218634 | STEREOSCOPIC IMAGE DISPLAY DEVICE - The present invention relates to a stereoscopic image display device and glasses for observing a stereoscopic image. The stereoscopic image display device or glasses may be useful in minimizing the difference in optical properties between the R signal and the L signal and observing a high-quality stereoscopic image without causing adverse effects such as so-called crosstalk when the stereoscopic image is observed on the display device. | 08-30-2012 |
20120257128 | OPTICAL DEVICE - An optical device and a stereoscopic image display device are provided. The optical device according to one embodiment may be a light-dividing device, for example, a device that can divide incident light into at least two kinds of light having different polarized states. For example, the optical device can be used to realize a stereoscopic image. | 10-11-2012 |
20130083262 | OPTICAL ELEMENT - An optical element is provided. The optical element shows excellent durability, hardness property and reworkability. | 04-04-2013 |
20130099219 | LUMINANCE-ENHANCING POLARISING PLATE FOR AN ORGANIC LIGHT-EMITTING ELEMENT - There is provided a polarizer for organic light emitting diodes (OLED) having improved brightness. The polarizer, which comprises a linear polarizer and a ¼ retardation plate, comprises a reflective polarizer film disposed between the linear polarizer and the ¼ retardation plate and transmitting a polarized light horizontal to the transmission axis of the linear polarizer while reflecting a polarized light vertical to the transmission axis of the linear polarizer. The polarizer may be useful to highly improve the brightness of the OLED device when the polarizer is used in the OLED device. | 04-25-2013 |
20130112959 | LUMINANCE-ENHANCING POLARISING PLATE FOR AN ORGANIC LIGHT-EMITTING ELEMENT - There is provided a polarizer for organic light emitting diodes (OLED) having improved brightness. The polarizer, which comprises a linear polarizer and a ¼ retardation plate, comprises a reflective polarizer film disposed between the linear polarizer and the ¼ retardation plate and transmitting a polarized light horizontal to the transmission axis of the linear polarizer while reflecting a polarized light vertical to the transmission axis of the linear polarizer. The polarizer may be useful to highly improve the brightness of the OLED device when the polarizer is used in the OLED device. | 05-09-2013 |
20130143007 | MASK - A light irradiation apparatus and a method of manufacture a photo-aligning layer are disclosed. A mask included in a light irradiation apparatus according to one embodiment is configured to irradiate the light having straightness at a high level of illumination to a subject that is apart from the mask with a certain distance. A photo-aligning layer with a desired alignment pattern can be fabricated using the mask. | 06-06-2013 |
20130208197 | OPTICAL ELEMENT - The present application relates to an optical device. The optical device according to one embodiment may be a light-dividing device, for example, a device that can divide incident light into at least two kinds of light having different polarization states. For example, the optical device can be used to realize a stereoscopic image. | 08-15-2013 |
20130242213 | OPTICAL ELEMENT - An optical element and a stereoscopic image display device are provided. The optical element is a light-dividing element, for example an element that can divide incident light into at least two kinds of light having different polarized states. Therefore, the optical element can be used to realize a stereoscopic image. | 09-19-2013 |
20130250196 | OPTICAL ELEMENT - An optical element and a stereoscopic image display device are provided. The optical element is a light-dividing element, for example an element that can divide incident light into at least two kinds of light having different polarized states. Therefore, the optical element can be used to realize a stereoscopic image. | 09-26-2013 |
20130301026 | MASK AND OPTICAL FILTER MANUFACTURING APPARATUS INCLUDING THE SAME - A mask and an optical filter manufacturing apparatus including the same are provided. A mask used for a roll-to-roll process of forming patterns in a base film configured to move along a curved surface includes a mask body having a curved surface disposed opposite a roll around which the base film is wound and a plane surface corresponding to the reverse side of the curved surface. The curved surface of the mask body is disposed a predetermined distance apart from a curved surface of the roll. The mask and optical filter manufacturing apparatus enable formation of uniform patterns on the base film to enhance the quality of products and precisely attain the properties of the base film. | 11-14-2013 |
20140029097 | STEREOSCOPIC IMAGE DISPLAY DEVICE - A stereoscopic image display device (hereinafter, referred to as a “3D device”) and polarizing glasses are provided. According to the 3D device and polarizing glasses, a three-dimensional image having excellent crosstalk ratio and color characteristics can be observed. | 01-30-2014 |
20140106089 | LIQUID CRYSTAL COMPOSITION - A liquid crystal composition, a liquid crystal film and a display device are provided. The liquid crystal composition can be uniformly aligned with no problems such as dewetting in an operation of aligning horizontally alignable liquid crystals. Also, a state of the aligned liquid crystal compound can be stably maintained. | 04-17-2014 |
20140120272 | LIQUID CRYSTAL COMPOSITION - The present application relates to a liquid crystal composition, a liquid crystal cell, a liquid crystal film, and methods of preparing the same. As an exemplary liquid crystal composition, according to the present application can provide a liquid crystal layer aligned without a special alignment layer. According to the liquid crystal composition, all of the liquid crystal cell, in which the liquid crystal layer is maintained in a non-polymerized state, and the liquid crystal film prepared by polymerizing the liquid crystal layer can be provided. | 05-01-2014 |
20140146252 | OPTICAL ELEMENT - An optical element is provided. The optical element is a light-dividing element, for example an element that can divide incident light into at least two kinds of light having different polarized states. The optical element can be used to realize a stereoscopic image. | 05-29-2014 |
20150072086 | LIQUID CRYSTAL COMPOSITION - The present application relates to a liquid crystal composition, a liquid crystal cell, a liquid crystal film, and methods of preparing the same. As an exemplary liquid crystal composition, according to the present application can provide a liquid crystal layer aligned without a special alignment layer. According to the liquid crystal composition, all of the liquid crystal cell, in which the liquid crystal layer is maintained in a non-polymerized state, and the liquid crystal film prepared by polymerizing the liquid crystal layer can be provided. | 03-12-2015 |
20150076403 | LIQUID CRYSTAL COMPOSITION - The present application relates to a liquid crystal composition, a liquid crystal cell, a liquid crystal film, and methods of preparing the same. As an exemplary liquid crystal composition, according to the present application can provide a liquid crystal layer aligned without a special alignment layer. According to the liquid crystal composition, all of the liquid crystal cell, in which the liquid crystal layer is maintained in a non-polymerized state, and the liquid crystal film prepared by polymerizing the liquid crystal layer can be provided. | 03-19-2015 |