子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | POLYMER DISPERSED LIQUID CRYSTAL FILM FOR VEHICLES AND A VEHICLE INCLUDING THE SAME | US15857364 | 2017-12-28 | US20190107744A1 | 2019-04-11 | Moon Jung EO; Hee Young YUN |
| A polymer dispersed liquid crystal film for vehicles includes an electrode unit, a first electrode provided on the electrode unit, a polymer layer provided between the electrode unit and the first electrode, and a plurality of liquid crystal molecules dispersed in the polymer layer. The electrode unit includes a resin layer and a mesh-type second electrode inserted into the resin layer. The upper surface of the second electrode is exposed to the outside of the resin layer. | ||||||
| 62 | DIRECT MAPPING OF LOCAL DIRECTOR FIELD OF NEMATIC LIQUID CRYSTALS AT THE NANOSCALE | US15553820 | 2016-02-18 | US20180244995A1 | 2018-08-30 | Yu XIA; Randall D. KAMIEN; Shu YANG; Francesca SERRA; Kathleen J. Stebe |
| The present disclosure is directed to mesogenic compounds having a structure of Formula (I), (II) or (III): where A, B, X1, L, TG, m, and n are defined herein, and compositions containing these compounds, as well as articles made from such polymerized and prepolymerized compositions and methods of estimating the elastic constants and anchoring constants of a liquid crystal materials and mapping topological defect structures in liquid crystals using these compounds. | ||||||
| 63 | Purification device for a liquid-crystal mixture | US14759029 | 2014-12-02 | US10052566B2 | 2018-08-21 | Guenter Hauke; Sebastien Marie; Leticia Garcia Diez; Michael Ukelis; Andreas Beirau; Michael Haeberl |
| A purification device (1), for the purification of a liquid-crystal mixture, has a flow chamber (2) which has an inlet opening (3) and an outlet opening (4), arranged opposite the inlet opening, in order to be able to introduce the liquid-crystal mixture into the flow chamber (2) and discharge it from the latter, and at least one flow distribution element (5) which is arranged in the flow chamber (2) in the region of the inlet opening (3), and at least one filter element (6) which is arranged in the region of the outlet opening (4), where a length of the flow chamber (2) measured in the flow direction is at least a factor of 2 greater than a greatest internal dimension of the flow chamber (2) transverse to the flow direction. | ||||||
| 64 | Method of fabricating array of nanoparticle clusters using thermal transformation of sublimable liquid crystal film | US14927926 | 2015-10-30 | US10017393B2 | 2018-07-10 | Dong Ki Yoon; Dae Seok Kim |
| The present invention relates to a method for fabricating an array of nanoparticle clusters, in which a thermally transformable organic liquid crystal film having a periodic array of micro-sized dimple-like defect structures spontaneously transformed by thermal sublimation of liquid crystal molecules is used as a template, and nanoparticles form self-assembled clusters having a uniform size with respect to the defect structures, thereby achieving a periodic array of nanoparticle clusters. | ||||||
| 65 | LIQUID CRYSTAL COLOR-SHIFTING SECURITY DEVICE | US15720487 | 2017-09-29 | US20180093519A1 | 2018-04-05 | Pearl N. Dickerson; Nancy J. Gettens; David L. Peters |
| Presented herein are layered systems, security devices formed from the layered systems and methods of manufacturing those layered systems and security devices. The security devices provide several effects including, but not limited to, (1) color-shifting effects that are observable as the points of view of the observant changes and (2) customizable micro-text formed in the security device by demetallization of a metallic layer provided on or within the security device. The method of manufacturing the security devices includes manufacturing a layered system that is used to form the security devices. As will be described in further detail herein, the method of manufacturing the layered system includes providing a substrate layer having a metallic layer, masking at least parts of that metallic layer with an opaque material to form masked metal areas and exposed metal areas, removing metal from the exposed metal areas to form de-met areas, covering the masked areas and the de-met areas with a liquid crystal material. The layered system that results from the method which includes these steps provides a color-shifting effect from the liquid crystal material and a micro-text effect from the contrast between the de-met areas and the masked metal areas. Security devices formed from the layered system can take various shapes, sizes and colors. Such security devices suitable for various applications including, but not limited to, uses for authenticating consumer products, security documents, identification documents, and various other high value or high security products. Alternatively, such security devices are also suitable for providing aesthetic properties. The resulting security devices comprise the layered system which comprises a substrate layer with a metallic layer having masked metal areas and de-met areas, and a liquid crystal layer. | ||||||
| 66 | LIQUID CRYSTAL CAPSULE AND METHOD FOR PRODUCING SAME | US15506251 | 2015-07-10 | US20170246608A1 | 2017-08-31 | Tatsuo TANIGUCHI; Sho HIDAKA; Eiji OKABE; Fumitaka KONDO |
| Shown is a method for producing a liquid crystal capsule having a particle diameter of 30 to 150 nanometers, and a method for producing a liquid crystal capsule without using a homogenizer. The disclosure concerns a method for producing a liquid crystal capsule, including a step of preparing an emulsion by performing phase inversion emulsification of a mixed material obtained by mixing a liquid crystal composition, a monomer, a surfactant, and a polymerization initiator; and a step of producing a liquid crystal capsule by applying a coacervation method to the emulsion. The disclosure also concerns a liquid crystal capsule having a liquid crystal composition, a surfactant and a capsule wall, wherein the capsule wall has a closed curved shape, the liquid crystal composition and a hydrophobic moiety of the surfactant are arranged inside the capsule wall, and a hydrophilic moiety of the surfactant is arranged outside the capsule wall. | ||||||
| 67 | Process for the purification of a liquid-crystal mixture | US14760273 | 2014-12-16 | US09737854B2 | 2017-08-22 | Uwe Kaetzel |
| In a process for the purification of a liquid-crystal mixture (7), the liquid-crystal mixture (7) is passed through a first electrodialysis cell (2) and a concentrate solution (14) is passed through a second electrodialysis cell (8) which is adjacent to the first electrodialysis cell (2) and is separated by an ion-exchanger membrane (9), and an electric field transverse to a direction of passage of the liquid-crystal mixture (7) through the first electrodialysis cell (2) is generated with the aid of an anode/cathode arrangement (15, 16) arranged outside the electrodialysis cells (2, 8) so that ionized constituents of the liquid-crystal mixture (7) are discharged at the ion-exchanger membrane (9) and removed from the liquid-crystal mixture (7). | ||||||
| 68 | Wavelength Converting Composition, Wavelength Converting Structure, Luminescence Film Having the Wavelength Converting Structure, and Backlit Component Having the Wavelength Converting Composition | US15080173 | 2016-03-24 | US20170138568A1 | 2017-05-18 | Yi-Chun LIU; Pao-Ju HSIEH; Mei-Chih PENG; Sheng-Wei WANG |
| A wavelength converting composition is provided, including: a plurality of first cholesteric liquid crystal flakes (CLCFs); a plurality of first quantum dots; and a resin, wherein the first CLCFs and the first quantum dots are dispersed in the resin, and wherein when first light passes the wavelength converting composition, the first quantum dots are excited by the first light and emit second light having a wavelength different from a wavelength of the first light, and the second light is reflected by the first CLCFs a number of times to increase a gain. A wavelength converting structure, a luminescence film having the wavelength converting structure, and a backlit component having the wavelength converting composition are also provided. | ||||||
| 69 | METHOD OF FABRICATING ARRAY OF NANOPARTICLE CLUSTERS USING THERMAL TRANSFORMATION OF SUBLIMABLE LIQUID CRYSTAL FILM | US14927926 | 2015-10-30 | US20160355405A1 | 2016-12-08 | Dong Ki Yoon; Dae Seok Kim |
| The present invention relates to a method for fabricating an array of nanoparticle clusters, in which a thermally transformable organic liquid crystal film having a periodic array of micro-sized dimple-like defect structures spontaneously transformed by thermal sublimation of liquid crystal molecules is used as a template, and nanoparticles form self-assembled clusters having a uniform size with respect to the defect structures, thereby achieving a periodic array of nanoparticle clusters. | ||||||
| 70 | PROCESS FOR THE PURIFICATION OF A LIQUID-CRYSTAL MIXTURE | US14760273 | 2014-12-16 | US20160325231A1 | 2016-11-10 | Uwe KAETZEL |
| In a process for the purification of a liquid-crystal mixture (7), the liquid-crystal mixture (7) is passed through a first electrodialysis cell (2) and a concentrate solution (14) is passed through a second electrodialysis cell (8) which is adjacent to the first electrodialysis cell (2) and is separated by an ion-exchanger membrane (9), and an electric field transverse to a direction of passage of the liquid-crystal mixture (7) through the first electrodialysis cell (2) is generated with the aid of an anode/cathode arrangement (15, 16) arranged outside the electrodialysis cells (2, 8) so that ionised constituents of the liquid-crystal mixture (7) are discharged at the ion-exchanger membrane (9) and removed from the liquid-crystal mixture (7). | ||||||
| 71 | METHODS OF MAKING VOXELATED LIQUID CRYSTAL ELASTOMERS | US15135108 | 2016-04-21 | US20160313607A1 | 2016-10-27 | Timothy J. White; Taylor H. Ware; Michael E. McConney; Vincent P. Tondiglia; Benjamin A. Kowalski |
| A method of making a shape-programmable liquid crystal elastomer. The method includes preparing an alignment cell having a surface programmed with a plurality of domains. A cavity of the alignment cell is filled with a monomer solution. The monomers of the monomer solution are configured to align to the surface of the alignment cell. The aligned monomers are polymerized by Michael Addition. The polymerized monomers are then cross-linked to form a cross-linked liquid crystal elastomer. The cross-linking traps monomer alignment into a plurality of voxels with each voxel having a director orientation. | ||||||
| 72 | Method for producing composition | US14369574 | 2013-04-05 | US09441159B2 | 2016-09-13 | Takashi Matsumoto |
| A raw material composition containing a hindered phenol compound having a specified structure and a compound constituting a liquid crystal material is prepared, the raw material composition is brought into contact with a purifying agent after being dissolved in an organic solvent or without the addition of an organic solvent to the raw material composition, and then the purifying agent is removed, and when a composition after the purifying agent is removed does not contain the organic solvent, the composition is provided as a target composition, and when the composition after the purifying agent is removed contains the organic solvent, the organic solvent is distilled off to provide a target composition. | ||||||
| 73 | DEHYDRATION METHOD FOR LIQUID CRYSTAL DISPLAY | US14131266 | 2013-11-20 | US20160238867A1 | 2016-08-18 | Liang XU; Dong YE |
| A dehydration method for liquid crystal display comprises the steps: Step 1) leading the liquid crystal into a closed container filling with desiccant, desiccant directly contacting to the liquid crystal, the water could be absorbed by desiccant to keep the moisture content below 25 ppm; Step 2) leading the dried liquid crystal into a filter to insulate the large size pellets off; Step 3) deaerating the filtered liquid crystal in the vacuum; Step 4) leading the deaerated liquid crystal into an infusion equipment, and then pouringing them onto a base. The desiccant could fast absorb the water with directly contacting with the liquid crystal. The drying way is replayed by the directly contacting way to absorb the water in the liquid crystal effectually and improve the dehydration effectively. Not only get a steady Gamma value but also reduce the difference between the gray scale transition and the normal level. | ||||||
| 74 | METHOD FOR PRODUCING COMPOSITION | US14369574 | 2013-04-05 | US20160102252A1 | 2016-04-14 | Takashi Matsumoto |
| A raw material composition containing a hindered phenol compound having a specified structure and a compound constituting a liquid crystal material is prepared, the raw material composition is brought into contact with a purifying agent after being dissolved in an organic solvent or without the addition of an organic solvent to the raw material composition, and then the purifying agent is removed, and when a composition after the purifying agent is removed does not contain the organic solvent, the composition is provided as a target composition, and when the composition after the purifying agent is removed contains the organic solvent, the organic solvent is distilled off to provide a target composition. | ||||||
| 75 | MRI COMPATIBLE LEADS FOR A DEEP BRAIN STIMULATION SYSTEM | US14279540 | 2014-05-16 | US20140249612A1 | 2014-09-04 | Giorgio Bonmassar; Emad Eskandar |
| A lead including a liquid crystal polymer including conductive particles dispersed therein. The lead may be adapted to conduct direct current for deep brain stimulation treatment or for use in other in vivo medical devices, while limiting the heat in implants in implants when exposed to MRI environments. Related methods of making the lead are also provided. | ||||||
| 76 | REACTIVE MESOGEN BASED POLYMER PARTICLES | US14116454 | 2012-05-03 | US20140085709A1 | 2014-03-27 | Laura Ramon-Gimenez; Jonathan Henry Wilson; Owain Llyr Parri; Mark John Goulding; Roger Kemp; Louise Diane Farrand |
| This invention relates to polymer particles comprising monomer units of at least one reactive mesogen, a process for their preparation, the use of these particles for the preparation of optical, electrooptical, electronic, electrochemical, electrophotographic, electrowetting and electrophoretic displays and/or devices and security, cosmetic, decorative, and diagnostic applications, and electrophoretic fluids and displays. | ||||||
| 77 | Polyarylene Sulfide/Liquid Crystal Polymer Alloy and Compositions Including Same | US13621867 | 2012-09-18 | US20130069001A1 | 2013-03-21 | Rong Luo; Xinyu Zhao; Paul C. Yung |
| Polyarylene sulfide/liquid crystal polymer alloys are described as are methods of forming the polyarylene sulfide/liquid crystal polymer alloys. The polyarylene sulfide/liquid crystal polymer alloys are formed according to a melt processing method that includes melt processing a polyarylene sulfide with a reactively functionalized disulfide compound and a liquid crystal polymer in a one or two step process. The reactively functionalized disulfide compound is added in a stoichiometric amount to react with a portion of the polyarylene sulfide. The melt processing forms a polyarylene sulfide/liquid crystal polymer copolymer that is a compatibilizer in the alloy. The polyarylene sulfide/liquid crystal polymer alloys may provide low chlorine content products having excellent strength characteristics. | ||||||
| 78 | Method of making stimuli responsive liquid crystal-polymer composite fibers | US12586460 | 2009-09-22 | US08257639B2 | 2012-09-04 | Ebru A. Buyuktanir; Margaret W. Frey; John L. West |
| A process for making a stimuli responsive liquid crystal-polymer composite fiber comprising mixing a liquid crystal, a polymer, and a solvent; processing the mixture in the presence of an electric potential across a collection distance; phase separating a polymer and said liquid crystal; and encapsulating said liquid crystal within said polymer. The fiber generally comprises a liquid crystal core and a polymer shell wherein the liquid crystal is responsive to chemical changes, thermal and mechanical effects, as well as electrical and magnetic fields. A liquid crystal containing fiber can be utilized as optical fibers, in textiles, and in optoelectronic devices. | ||||||
| 79 | VERFAHREN ZUM REINIGEN EINER FLÜSSIGKRISTALLMISCHUNG | EP14818875.8 | 2014-12-16 | EP3083883B1 | 2018-07-11 | KAETZEL, Uwe |
| 80 | METHOD FOR PRODUCING COMPOSITION | EP13873138.5 | 2013-04-05 | EP2808376B1 | 2017-09-20 | MATSUMOTO, Takashi |
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