Class / Patent application number | Description | Number of patent applications / Date published |
430020000 | LIQUID CRYSTAL PROCESS, COMPOSITION, OR PRODUCT | 18 |
20080261130 | Process for a Thermal Transfer of a Liquid Crystal Film Using a Transfer Element - The invention relates to a laser-induced process that employs a transfer element comprising a liquid crystal material for a thermal transfer onto a receiving surface. The process is suitable for generating markings with various appearance or optical effects on a surface of choice. The transfer element comprises a light-to-heat conversion layer and a transfer layer The transfer layer comprises a liquid crystal material, especially a liquid crystal polymer film. | 10-23-2008 |
20080299469 | LIQUID CRYSTAL DISPLAY PANEL AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE SAME - A liquid crystal display panel includes a first substrate, a second substrate opposite the first substrate and a liquid crystal layer. The first substrate includes a lower substrate, a first buffer layer formed on the lower substrate and a first alignment layer formed on the first buffer layer. The first buffer layer includes a polymer-like carbon and the first alignment layer includes a diamond-like carbon thin film containing fluorine. The second substrate includes an upper substrate, a second buffer layer formed on the upper substrate and a second alignment layer formed on the second buffer layer. The second buffer layer includes the polymer-like carbon thin film and the second alignment layer includes the diamond-like carbon thin film containing fluorine. The liquid crystal display panel has improved light transmittance and a low probability of separation between the alignment layer and the substrate. | 12-04-2008 |
20090075189 | METHODS FOR FABRICATING TRANSFLECTIVE LIQUID CRYSTAL DISPLAYS - A method for fabricating a display is disclosed. A first substrate comprising a plurality of pixels is provided, each pixel comprises a plurality of sub pixels. A second substrate substantially opposite to the first substrate is provided, wherein the second substrate is divided into a plurality of regions corresponding to the sub-pixels, and at least three of the regions are color regions and at least one of the regions is a fourth region. A photoresist pattern layer is formed on the second substrate, such that the photoresist pattern layer corresponding to the at least three color regions are color photoresist pattern layers and the photoresist pattern layer corresponding to the at least one fourth region is a fourth photoresist pattern layer. A first covering layer is formed on the photoresist layer. A liquid crystal layer is interposed between the first substrate and the second substrate. | 03-19-2009 |
20090092907 | Sensitized photochemical switching for cholesteric liquid crystal displays - The present invention relates to photo-tunable dopant compositions comprising a photo-reactive chiral compound capable of undergoing a photochemical reaction resulting in the loss of chirality, and a triplet sensitizer. The present invention also relates to a display comprising a substrate, a liquid crystalline layer thereon, wherein the liquid crystalline layer comprises a nematic host, at least one chiral dopant, a photo-reacted compound, and a triplet sensitizer, and at least one transparent conductive layer. The present invention also relates to a method of tuning a cholesteric liquid crystal material comprising providing at least one mesogenic compound, at least one triplet sensitizer, and at least one photo-reactive chiral compound; combining the at least one mesogenic compound, at least one triplet sensitizer, and at least one photo-reactive chiral compound to form a mixture; and irradiating the mixture for a period of time. | 04-09-2009 |
20090142676 | PROCESS FOR PRODUCING A PHASE DIFFERENCE CONTROL COMPONENT AND LIQUID CRYSTAL DISPLAY DEVICE - There are provided a phase difference control component, which can realize a liquid crystal display device having a wide angle of visibility, has excellent phase difference symmetry and can realize optical compensation, and a process for producing the same. The phase difference control component comprises a base material; and a phase difference control layer formed of a fixed liquid crystal material provided on the base material through an aligning film and is characterized in that the angle of liquid crystal molecules, present at the interface of the aligning film and the phase difference control layer, to the base material being substantially 0 (zero) degree. | 06-04-2009 |
20090269684 | Method for making liquid crystal display screen - A method for making a liquid crystal display screen includes the following steps. Firstly, providing a base including a surface. Secondly, forming carbon nanotube structure on the surface of the base to obtain a first electrode plate preform, the carbon nanotubes of each carbon nanotube structure being oriented along the extending direction thereof. Thirdly, forming a fixing layer to cover the carbon nanotube structure, thereby obtaining a first electrode plate. Fourthly, repeating the above-described steps, thereby obtaining a second electrode plate. Lastly, forming a liquid crystal layer between the fixing layers of the first electrode plate and the second electrode plate, the carbon nanotubes of the first electrode plate being perpendicular to that of the second electrode plate, thereby forming the liquid crystal display screen. | 10-29-2009 |
20100261105 | Method of Exposing Substrate, Apparatus for Performing the Same, and Method of Manufacturing Display Substrate Using the Same - A photoresist layer exposed through first slits of a mask is exposed using first light. The photoresist layer exposed through second slits of the mask is exposed by using second light. The first light passes thorough a transflective shutter to generate the second light. | 10-14-2010 |
20110014555 | METHOD OF MANUFACTURING A COLOR LIQUID CRYSTAL PANEL - Within a reflective display section R, a part of a light that reaches a reflective electrode through a color filter exits to the outside through slits and a part of a light that reaches the reflective electrode through the slits exits to the outside through the color filter. In addition, a light reaching the reflective electrode through the color filter and exiting to the outside through the color filter, and a light having no opportunity to pass through the slits also can be observed. Therefore, a mean film thickness of color filter through which all lights pass during the time in which they travel the associated distance after they are inputted to the inside until they are outputted to the outside becomes nearly equal to that could be observed in the transmissive section T. | 01-20-2011 |
20110212393 | METHODS FOR MANUFACTURING PIXEL UNIT, LIQUID CRYSTAL DISPLAY PANEL, AND ELECTRO-OPTICAL APPARATUS - A pixel unit having a display area is provided. The pixel unit includes a first substrate, a second substrate, a liquid crystal layer, and at least one ultraviolet light (UV) absorption pattern. The second substrate is disposed in parallel to the first substrate, and the liquid crystal layer is disposed between the first substrate and the second substrate. The UV absorption pattern is disposed between the first substrate and the second substrate. A part of the display area overlaps the UV absorption pattern to define at least one first alignment area, while the part of the display area which does not overlap the UV absorption pattern defines at least one second alignment area. The liquid crystal molecules of the liquid crystal layer present different pre-tilt angles in the first alignment area and the second alignment area. | 09-01-2011 |
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 |
20110250532 | METHOD OF LIFTING OFF AND FABRICATING ARRAY SUBSTRATE FOR LIQUID CRYSTAL DISPLAY DEVICE USING THE SAME - A method of lifting off includes forming a first material layer on a substrate; forming a photoresist pattern including first and second holes and on the first material layer; patterning the first material layer using the photoresist pattern as a patterning mask to form a material pattern having first and second grooves within the material pattern, the first and second grooves corresponding to the first and second holes, respectively; forming a second material layer on an entire surface of the substrate including the photoresist pattern and the first and second grooves; and removing the photoresist pattern and the second material layer on the photoresist pattern at the same time, wherein a portion of the material pattern between the first and second grooves and portions of the material pattern at sides of the first and second grooves constitute a line as a whole. | 10-13-2011 |
20120077115 | LIQUID CRYSTAL DISPLAY DEVICE TREATED BY UV IRRADIATION - A liquid crystal display device includes a pair of substrates, a liquid crystal between substrates and alignment layers disposed on the inner surface sides of the substrates. The alignment layer is made from a material including polyamic acid containing a diamine component and polyimide containing a diamine component different from the diamine component of the polyamic acid. The alignment layer is subjected to alignment treatment by irradiation of light. UV light can be irradiated in the oblique direction onto the alignment layer through a mask having openings. A reflecting plate can be arranged between a UV light source and the mask. Also, bank structures having a thickness from 0.1 to 0.15 μm can be provided on the alignment layer of the TFT substrate. | 03-29-2012 |
20130164661 | METHOD FOR MAKING A RETARDATION FILM - A method for making a retardation film includes: (a) forming a photo-alignment layer on a substrate; (b) exposing the photo-alignment layer such that first and second regions of the alignment surface are oriented in a first alignment direction; (c) disposing a patterned mask over the photo-alignment layer such that the first regions of the alignment surface are shielded; (d) exposing the second regions such that the second regions are oriented in a second alignment direction, and the first regions remain oriented in the first alignment direction; (e) coating liquid crystal molecules over the alignment surface; and (f) curing the liquid crystal molecules. | 06-27-2013 |
20130316274 | PHASE DIFFERENCE LAYER LAMINATED BODY FOR THREE DIMENSIONAL LIQUID CRYSTAL DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF - A phase difference layer laminated body used in a three-dimensional liquid crystal display device, wherein unit cells are divided into groups for left and right eyes, which are given different degrees of polarization, thereby creating a three-dimensional image, further wherein the phase difference layer laminated body has a base material having orientability, and a phase difference layer made of a liquid crystal material that can form a nematic phase and formed in a pattern with two different portions, and the liquid crystal material in each of two different portions is oriented to have different refractive index anisotropy each other that conforms to the two different degrees of polarization and fixed as it is. | 11-28-2013 |
20140057200 | METHOD FOR PRODUCING MASTERBOARD ALIGNMENT FILM AND TRANSFER PRINTING PLATE AND ALIGNMENT SOLUTION - Embodiments of the present invention disclose a method for producing a masterboard alignment film, and a transfer printing plate and an alignment solution. The method comprises coating the alignment solution on a masterboard having two or more substrates using the transfer printing plate which has a transfer region simultaneously covering the two or more substrates, so that the alignment solution forms an alignment film on the masterboard; and removing the alignment film on the masterboard which is located in regions that are out of the display regions of the substrates and where there is no need to retain the alignment film. This method can solve the existing display defect issues that are caused by too thick peripheral regions of the alignment film, and the overlapping of the too thick peripheral regions of the alignment film with the sealant region. | 02-27-2014 |
20140106267 | METHOD OF FORMING AN IMAGE HAVING MULTIPLE PHASES - A method of forming an image having multiple phases is disclosed herein. The method includes forming exposed and unexposed areas, the exposed areas comprising a first polymer network exhibiting first and second phases that are chemically connected and have different refractive indices, the first phase being continuous, and the second phase comprising a plurality of structures dispersed within the first phase, and the unexposed areas comprising a second polymer network comprising third and fourth phases that are chemically connected and have different refractive indices, the third phase being continuous, and the fourth phase comprising a plurality of structures dispersed within the third phase. The first and second polymer networks are chemically connected, and morphology formed by the first and second phases is different than that formed by the third and fourth phases. | 04-17-2014 |
20140212798 | MASKLESS PROCESS FOR PRE-TILTING LIQUID CRYSTAL MOLECULES - A method of tilting liquid crystal molecules is presented. The method entails providing a substrate including a photoalignment layer on top of a layer of liquid crystal molecules. The photoalignment layer is exposed to patterned light that is incident on the substrate at a substantially normal angle. The patterned light is polarized in a polarization direction that is non-parallel to an incident surface of the substrate. | 07-31-2014 |
20150030973 | BIREFRINGENT LENS MATERIAL FOR STEREOSCOPIC IMAGE DISPLAY DEVICE AND METHOD FOR PRODUCING BIREFRINGENT LENS FOR STEREOSCOPIC IMAGE DISPLAY DEVICE - The present invention provides a birefringent lens material for a stereoscopic image display, the birefringent lens material containing two or more liquid crystal compounds each having at least one polymerizable functional group, a birefringent lens for a stereoscopic image display, the birefringent lens being formed by using the lens material, and a method for producing a birefringent lens for a stereoscopic image display using the lens material. The birefringent lens material for a stereoscopic image display and the birefringent lens for a stereoscopic image display of the present invention are good in terms of optical characteristics, durability, and productivity, in particular, productivity. The method for producing a birefringent lens for a stereoscopic image display of the present invention has good productivity. | 01-29-2015 |