| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 349191000 | Aligning liquid crystal with means other than alignment layer | 25 |
| 20090040453 | Method of plasma beam bombardment of aligning films for liquid crystals - Methods for treating aligning substrates produces uniform alignment of liquid crystals in at least two modes. The method is based on the treatment of liquid crystal aligning substrates with a collimated or partially collimated plasma beam. In one embodiment, the method comprises a step of bombarding an aligning substrate with at least one plasma beam from a plasma beam source at a designated incident angle to align the atomic/molecular structure or the surface profile of the aligning substrate in at least one aligned direction. | 02-12-2009 |
| 20090079929 | Method of alignments of liquid crystal employing magnetic thin films - Alignments of liquid crystal are obtained. A transparent magnetic thin film provides a homeotropic alignment of liquid crystal molecules. Or, a homeotropic or homogeneous alignment having an adjustable pretilt angle is further obtained through rubbing the transparent magnetic thin film. The present invention has a simple procedure with a low cost. The present invention is used in equipment with a plasma source while providing high transmittance, hardness and insulation. And the transparent magnetic thin film has potential uses in the applications of non-contact multi-domain alignment without extra procedure for alignment treatment. | 03-26-2009 |
| 20090195746 | LIQUID CRYSTAL ALIGNING DEVICE AND ALIGNMENT METHOD THEREOF - A liquid crystal aligning device ( | 08-06-2009 |
| 20090213320 | METHOD OF MANUFACTURING LIQUID CRYSTAL DISPLAY - A method of manufacturing a liquid crystal display includes providing a first display panel, providing a second display panel, disposing liquid crystals and an alignment additive between the first display panel and the second display panel, applying a gradually increasing pre-tilting voltage to the first display panel and the second display panel, and hardening the alignment additive. | 08-27-2009 |
| 20090290118 | METHOD AND SYSTEM FOR IMPROVING ION BEAM ALIGNMENT FOR LIQUID CRYSTAL DISPLAYS BY A GROOVING UNDER LAYER - A liquid crystal display (LCD) device comprises a first substrate having a grooved surface profile; an alignment film layer of inorganic material formed on the grooved surface and having the grooved surface profile, the alignment film of inorganic material being aligned in response to an ion beam incident to the grooved surface in a direction parallel to a groove direction; a second substrate aligned opposite the first substrate for forming a plurality of LCD cells having liquid crystal (LC) material deposited therein, wherein LC molecules align parallel to the grooves for enhanced LCD performance. | 11-26-2009 |
| 20100007844 | ELECTRICALLY VARIABLE FOCUS POLYMER-STABILIZED LIQUID CRYSTAL LENS HAVING NON-HOMOGENOUS POLYMERIZATION OF A NEMATIC LIQUID CRYSTAL/MONOMER MIXTURE - A variable focus liquid crystal lens includes a nematic liquid crystal/monomer mixture having a spatially inhomogenous polymer network structure, and an electrode for applying a substantially uniform voltage to the nematic liquid crystal/monomer mixture. The lens is created within a cell by applying a substantially uniform electric field to the nematic liquid crystal/monomer mixture within the cell, while simultaneously irradiating the nematic liquid crystal/monomer mixture using a laser beam having a shaped intensity distribution, so as to induce formation of a spatially inhomogenous polymer network structure within the cell. | 01-14-2010 |
| 20100020284 | Particle Beam Process for the Alignment of Reactive Mesogens - The invention relates to a method of aligning reactive mesogens (RM) on a substrate subjected to particle beam treatment, to RM's oriented by said method, especially in form of thin layers, to oriented polymers and polymer films obtained from such oriented RM's and RM layers, and to the use of the RM's, layers, polymers and films in optical, electronic and electrooptical applications. | 01-28-2010 |
| 20100110360 | Method of alignments of liquid crystal employing magnetic thin films - Alignments of liquid crystal are obtained. A transparent magnetic thin film provides a homeotropic alignment of liquid crystal molecules. Or, a homeotropic or homogeneous alignment having an adjustable pretilt angle is further obtained through rubbing the transparent magnetic thin film. The present invention has a simple procedure with a low cost. The present invention is used in equipment with a plasma source while providing high transmittance, hardness and insulation. And the transparent magnetic thin film has potential uses in the applications of non-contact multi-domain alignment without extra procedure for alignment treatment. | 05-06-2010 |
| 20100201935 | METHOD FOR FABRICATING AN LCD PANEL - An LCD panel includes a pixel unit having a first and a second pixel electrodes. The method includes: providing a first and a second curing voltages V | 08-12-2010 |
| 20100328602 | ALIGNMENT TREATMENT OF LIQUID CRYSTAL DISPLAY DEVICE - The liquid crystal display device comprising a pair of substrates with alignment layers formed thereon, and a liquid crystal filled between the substrates. Each pixel has pixel display portions CA, CB and non-display portions DA, EA, DB, EB. The pixel display portions are treated for realizing alignment in a different manner from the non-display portions and the alignment of the pixel display portions is controlled by the alignment of the non-display portions. Moreover, the alignment treatment is executed by the irradiation with ultraviolet rays in an inclined direction. | 12-30-2010 |
| 20110001919 | LIQUID CRYSTALLINE MEDIUM AND METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY PANEL - A liquid crystalline medium comprises a plurality of polymerizable monomers and a plurality of liquid crystal molecules. The liquid crystal molecules are selected from at least one of compounds 1, 2, 3, 4, 5, and 6. | 01-06-2011 |
| 20110085126 | METHOD OF AND APPARATUS FOR PRODUCING LIQUID CRYSTAL DISPLAY DEVICE - One aspect of the invention provides a liquid crystal display device producing method for irradiating a liquid crystal display substrate, in which plural pixels are formed in a matrix state and liquid crystal is sealed between a TFT substrate and a counter electrode substrate, with light having a predetermined wavelength to orient liquid crystal molecules toward a predetermined direction in a state in which an electric field is applied to each pixel of the liquid crystal display substrate. The method includes the steps of: dipping the liquid crystal display substrate and a lamp in a transparent liquid having resistivity of a predetermined value or more and sufficiently high transmittance to the light in a state in which the liquid crystal display substrate and the lamp face each other; and lighting the lamp to irradiate the liquid crystal display substrate with the light having a predetermined light quantity in a state in which the electric field is applied to each pixel. | 04-14-2011 |
| 20110122362 | LIQUID CRYSTAL LENS USING SURFACE PROGRAMMING - A liquid crystal lens or beam steering device is made by programming alignment surfaces of the LC cell walls using a programming field to align the alignment surface molecules before fixing them. By setting the desired pre-tilt, the lens can operate in the absence of the control field, and power consumption by the control field can be reduced. | 05-26-2011 |
| 20120081652 | LIQUID CRYSTAL ALIGNMENT PROCESS - A liquid crystal alignment process comprises steps of: providing a first substrate and a second substrate to form a liquid crystal accommodating space therebetween; pouring a liquid crystal composition into the liquid crystal accommodating space, the liquid crystal composition comprising liquid crystal molecules, a first monomer material, and a second monomer material; applying a voltage difference to the first and second substrates for arranging the liquid crystal molecules at a pre-tilt angle; and exposing the liquid crystal composition by mixed multi-spectrum rays for polymerizing the first monomer material and the second monomer material to form at least one type of liquid crystal alignment polymer on opposite surfaces of the first and second substrates. The liquid crystal alignment process is capable of improving the efficiency of exposure procedure, reducing time to manufacture products, and is capable of solving the problems of high costs and waste pollution. | 04-05-2012 |
| 20120133881 | METHOD FOR MANUFACTURING LIQUID CRYSTAL DISPLAY DEVICE - A liquid crystal display device which can exhibit a blue phase stably is manufactured. A first substrate and a second substrate are attached by a sealant interposing a liquid crystal layer comprising a liquid crystal composition therebetween, an alignment state of the liquid crystal layer is set to be an isotropic phase by heat treatment, the liquid crystal layer is irradiated with light so as to perform polymer stabilization treatment on the liquid crystal layer, and an alignment state of the liquid crystal layer is changed from an isotropic phase to a blue phase in the light irradiation. Thus, a liquid crystal display device which suppresses a defect which shows an alignment state other than a blue phase (an alignment defect) is manufactured. | 05-31-2012 |
| 20120182517 | METHOD FOR MANUFACTURING MICRO RETARDER WITHOUT ALIGNMENT LAYER - A method for manufacturing a micro retarder without alignment layer includes providing a substrate, forming a liquid crystal (LC) layer having a plurality of LC molecules, a plurality of photosensitive monomers and a plurality of thermal reactive monomers, performing a first exposure treatment to form at least a first patterned retarder in the LC layer, performing a second exposure treatment to form at least a second patterned retarder in the LC layer, and performing a baking treatment to form the micro retarder without alignment layer. | 07-19-2012 |
| 20120242948 | METHOD OF PRODUCING LIGHT-REFLECTIVE FILM - Provided is a method of producing a light-reflective film that can prevent the blocking of a liquid crystal layer and a support without lowering transparency of the film. | 09-27-2012 |
| 20130016318 | PROCESS FOR PRODUCING LIQUID CRYSTAL ELEMENT, AND LIQUID CRYSTAL ELEMENT - In a process for producing a liquid crystal element comprising an alignment-treated substrate and a layer of polymer liquid crystal having a pattern, mesogenic groups in cross-linkable polymer liquid crystal are aligned, and the cross-linkable polymer liquid crystal is cross-linked while the mold is pressed against the layer of cross-linkable polymer liquid crystal, at a temperature higher than the glass transition temperature of the cross-linkable polymer liquid crystal and lower than the clearing point temperature of the cross-linkable polymer liquid crystal. | 01-17-2013 |
| 20130077039 | APPARATUS AND METHOD FOR PRODUCING PRE-TILT ANGLE IN LIQUID CRYSTAL PANEL, SAMPLE STAGE AND LIGHT SOURCE APPARATUS - An apparatus and a method for producing a pre-tilt angle in a liquid crystal panel are disclosed. The apparatus includes a sample stage for placing the liquid crystal panel, at least one ultraviolet (UV) light source for irradiating the liquid crystal panel so that a filler material in a liquid crystal layer rotated to a preset angle can be cured to form a pre-tilt angle, and A UV filtering sheet transmissive to UV rays with wavelengths of 320 nm to 380 nm disposed between the sample stage and the UV light source. By disposing the UV filtering sheet, the filler material in the liquid crystal layer can be quickly cured and a desirable pre-tilt angle can be formed. This shortens the time of UV irradiation, improves the efficiency of producing a pre-tilt angle in the liquid crystal panel and lowers the manufacturing cost of the liquid crystal panel. | 03-28-2013 |
| 20130120705 | METHOD FOR MANUFACTURING ALIGNMENT FILMS OF LIQUID CRYSTAL DISPLAY PANEL - The present invention discloses a method for manufacturing alignment films for a liquid crystal display panel, characterized in that the method includes steps of: dripping liquid crystal mixture, which comprises liquid crystal molecules and liquid crystal alignment monomers, on a first substrate; gluing the first substrate and a second substrate together, irradiating the first substrate and the second substrate by a first UV ray and providing an electric field between the first substrate and the second substrate at the same time; and irradiating the first substrate and the second substrate by a second UV ray, and curing the first substrate and the second substrate at the same time to form the alignment films. | 05-16-2013 |
| 20130176525 | Aligning and Assembling Method of Stereoscopic Display Device - An aligning and assembling method of a stereoscopic display device is provided and includes providing a liquid crystal (LC) panel and a brightness detector. A lenticular panel is placed between the LC panel and the brightness detector. The LC panel is driven to output a light-dispersion pattern. The lenticular panel is rotated and the brightness detector obtains a plurality of brightness patterns and a plurality of light-dispersion periods generated from the light-dispersion pattern after the light-dispersion pattern has passed through the lenticular panel. The brightness patterns correspond respectively to the light-dispersion periods. A maximum light-dispersion period is found from the light-dispersion periods. The lenticular panel is stopped to rotate when the maximum light-dispersion period is found. | 07-11-2013 |
| 20130286343 | Method and Device of Liquid Crystal Photo-Alignment - The present invention provides a method and device of liquid crystal photo-alignment. The method comprises: providing a liquid crystal layer, liquid crystal layer doped with reactive monomer; under influence of an electric field, using radiation light to irradiate on liquid crystal layer to trigger polymerization of monomers to achieve the photo-alignment of liquid crystal layer; wherein polymerization of monomers comprising a first stage and a second stage following the first stage, the radiation light having a first illumination in the first stage and having a second illumination in the second stage, and the first illumination being less than the second illumination. The method and device of liquid crystal photo-alignment of the present invention improves the stability and uniformity of the photo-alignment of the liquid crystal, and satisfy the photo-alignment reaction speed as well as effectively avoid the light leakage caused by macromolecular effect | 10-31-2013 |
| 20140071393 | Liquid Crystal Lens And Manufacturing Methods Thereof, Manufacturing Apparatus Therefor And 3D Display Device - Embodiments of the present invention provide a liquid crystal lens, a manufacturing method thereof, a manufacturing apparatus and a 3D display device. The manufacturing method of a liquid crystal lens, comprising: obtaining an actual effective refractive index profile of a liquid crystal layer by simulating, and the liquid crystal layer having an initial pretilt angle; determining a difference region in which a difference exists between a predefined standard pretilt angle and the initial pretilt angle of liquid crystal in the liquid crystal layer and a non-difference region, according to standard and actual effective refractive index profiles; simulating an orientation of the liquid crystal in the difference region of the liquid crystal lens, and determining the standard pretilt angle of the liquid crystal in the difference region; and irradiating the liquid crystal in the liquid crystal lens for alignment. | 03-13-2014 |
| 20140139800 | METHOD AND DEVICE FOR TERMINATION DETECTION OF OPTICAL ALIGNMENT OF LIQUID CRYSTAL MATERIAL - The present invention provides a method for termination detection of optical alignment of liquid crystal material, which includes: under influence of electrical field, irradiating light on liquid crystal material so that reactive monomers in liquid crystal material polymerizing; detecting a residual amount or a thickness change value of the reactive monomers in liquid crystal material to determine detected residual amount of reactive monomers or thickness change value in liquid crystal box reaching a default value; when reaching default value, terminating optical alignment of liquid crystal material. The present invention also provides a device for termination detection of optical alignment of liquid crystal material. Through detecting termination of optical alignment, the present invention realizes automatic control of irradiation time in optical alignment to reduce the effect of individual glass substrate variation on optical alignment to avoid affecting reaction process of alignment on reactive monomer. | 05-22-2014 |
| 20150301386 | LIQUID CRYSTAL COMPOSITION - Provided are a liquid crystal composition and a method of manufacturing an optical film. The liquid crystal composition which may form a liquid crystal layer having excellent optical characteristics and a high surface hardness may be provided. The liquid crystal layer formed as described above may be used in various applications, and for example, may be disposed on the outermost surface of a display device, such as an LCD or an OLED, or at an outer side of a polarizing layer of the display in which the polarizing layer is disposed at a visible side, thereby serving as a liquid crystal layer which may solve a problem of degrading brightness occurring when an observer watches an image with polarizing sunglasses. | 10-22-2015 |
