Containing Nonchiral Additive Having No Specified Mesophase Patents (Class 252/299.5)
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Patent number: 11897832Abstract: A method for preparing a partially fluorinated alcohol, comprises reacting an epoxide: wherein R1, R2, R3 and R4 are independently selected from the group comprising H, F, Cl, Br, I, CF3, alkyl, fluoroalkyl, haloalkyl with a fluorinating agent.Type: GrantFiled: March 18, 2020Date of Patent: February 13, 2024Assignee: MEXICHEM FLUOR S.A. DE C.V.Inventors: Andrew Sharratt, David Grundy, Ira Saxena
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Patent number: 11820892Abstract: A polymer composition that is capable of exhibiting a unique combination of ductility (e.g., tensile elongation at break), impact strength (e.g., Charpy notched impact strength), and dimensional stability is provided. For example, the polymer composition may contain a liquid crystalline polymer in combination with an epoxy-functionalized olefin copolymer and an inorganic particulate material.Type: GrantFiled: December 21, 2021Date of Patent: November 21, 2023Assignee: Ticona LLCInventor: Young Shin Kim
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Patent number: 11703722Abstract: According to one embodiment, an electronic device includes a first camera, a first polarizer, a second polarizer, and a liquid crystal panel disposed between the first polarizer and the second polarizer. The liquid crystal panel includes a first scanning line, a first signal line intersecting the first scanning line, a first switching element electrically connected to the first scanning line and the first signal line, and a first control electrode electrically connected to the first switching element. The first control electrode overlaps the first camera, and is disposed in an annular first region.Type: GrantFiled: November 23, 2022Date of Patent: July 18, 2023Assignee: Japan Display Inc.Inventors: Yoshiro Aoki, Hiroyuki Kimura
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Patent number: 11702539Abstract: A polymer composition is provided. The polymer composition comprises a liquid crystalline, an electrically conductive filler, and a mineral filler. The polymer composition exhibits a surface resistivity of from about 1×1012 ohms to about 1×1018 ohms as determined in accordance with ASTM D257-14.Type: GrantFiled: February 18, 2021Date of Patent: July 18, 2023Assignee: Ticona LLCInventor: Young Shin Kim
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Patent number: 11442211Abstract: An authenticity determination viewer including a first phase difference film, a linear polarizer, and a second phase difference film in this order, wherein a polarized light transmission axis of the linear polarizer and a slow axis of the first phase difference film are non-parallel to each other, and the polarized light transmission axis of the linear polarizer and a slow axis of the second phase difference film are non-parallel to each other.Type: GrantFiled: September 12, 2018Date of Patent: September 13, 2022Assignee: ZEON CORPORATIONInventor: Koya Kawabata
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Patent number: 11426903Abstract: A powdery liquid-crystal resin for a press-molded article is disclosed having a bulk density of more than 0.05 g/cm3 and 0.5 g/cm3 or less. The powdery liquid-crystal resin preferably has a particle diameter distribution width as defined by JIS Z8825: 2013 of 3.0 or more and 12 or less. The powdery liquid-crystal resin preferably has an average particle diameter of 10 ?m or more and 300 ?m or less. The degree of crystallinity of the powdery liquid-crystal resin is preferably 20% or more and 70% or less.Type: GrantFiled: December 6, 2019Date of Patent: August 30, 2022Assignee: POLYPLASTICS CO., LTD.Inventors: Yoshiaki Taguchi, Tatsuya Kawasaki
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Patent number: 10961457Abstract: The present invention relates to liquid-crystalline media comprising a) one or more compounds of the formula ST-1, as defined herein, and b) one or more compounds of the formula ST-2, as defined herein, and c) one or more compounds of the formula RV, as defined herein, and d) one or more compounds selected from formula IA and IB, as defined herein, and to liquid-crystal displays containing these media, especially to displays addressed by an active matrix and in particular to displays of the in-plane switching (IPS) or fringe-field switching (FFS) type.Type: GrantFiled: March 16, 2018Date of Patent: March 30, 2021Assignee: Merck Patent GmbHInventors: Chang-Jun Yun, Chang-Suk Choi, Yeon-Jeong Han, Heui-Seok Jin, Yong-Kuk Yun
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Patent number: 10845600Abstract: The present disclosure includes a system and method for creating a modifiable shader layer associated with a lens of a head-mountable device (HMD). The method includes providing a modifiable shader layer associated with a lens of a head-mountable display (HMD), where the modifiable shader layer is provided in a first state, and includes at least one of Liquid Crystal Smectic-A (LCSMA), liquid crystal polymer composites (LCPC), electro-wetting display (EWD), electro-dispersive display (ELDD), or electrochromic display (ECD). The method further includes causing the modifiable shader layer to transition from the first state to a second state that is different from the first state, and determining, based on whether the modifiable shader layer is in the first state or the second state, content to present via the lens of the HMD. The first state and the second state are one of a transparent state, an opaque state, or a partially opaque state.Type: GrantFiled: November 6, 2018Date of Patent: November 24, 2020Assignee: Samsung Electronics Co., Ltd.Inventors: Sergio Perdices-Gonzalez, Mohammad J. Abu Saude
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Patent number: 10824018Abstract: Disclosed are a thermal crosslink material, a manufacture method of a liquid crystal display panel, and a liquid crystal display panel. A structural formula of the thermal crosslink material is wherein A is B is and R is a linear or chain branched alkyl having 5-20 C atoms, wherein one or more CH2 in the alkyl is substituted with phenyl, cycloalkyl, —O—, —CONH—, —COO—, —O—CO—, —CO—, or —CH?CH— group, or one or more H atoms in the first group are substituted with F atom or Cl atom; a specific crosslink material may be one of Molecules of the thermal crosslink material crosslink together to form a polymer having a crosslinked network, and groups A and B can be anchored on a substrate surface. The branch R provides an effect of vertical alignment and can form alignment films.Type: GrantFiled: March 11, 2019Date of Patent: November 3, 2020Assignee: Shenzhen China Star Optoelectonics Technology Co., Ltd.Inventors: Song Lan, Yungjui Lee
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Patent number: 10793776Abstract: The use of functionalized polymerizable polyvinyl alcohol as a binder or matrix for a dispersion of nanoparticles, wherein the nanoparticles respectively comprise a polymeric shell and a core containing a liquid crystalline medium. Composites comprising the functionalized polymer and the nanocapsules, methods for preparing the composites and electro-optical devices containing such composites.Type: GrantFiled: October 5, 2018Date of Patent: October 6, 2020Assignee: MERCK PATENT GMBHInventors: Hassan Arasi, Mariam Namutebi, Rachel Tuffin
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Patent number: 10738243Abstract: The present invention relates to dielectrically positive liquid-crystalline media comprising one or more compounds of the formula I, and one or more compounds selected from the group of the compounds of the formulae II and III and/or IV, in which the parameters have the respective meanings indicated in the specification, and optionally one or more further dielectrically positive compounds and optionally one or more further dielectrically neutral compounds, and to liquid-crystal displays, especially active-matrix displays and in particular TN, IPS and FFS displays, containing these media.Type: GrantFiled: July 5, 2016Date of Patent: August 11, 2020Assignee: MERCK PATENT GMBHInventors: Michael Junge, Volker Reiffenrath, Elvira Montenegro, Michael Wittek, Markus Czanta
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Patent number: 10678096Abstract: A method and an apparatus for fabricating a display panel, where the method for fabricating the display panel includes providing a first substrate and a second substrate, arranging alignment layers at the first substrate and the second substrate, respectively, arranging liquid crystals and monomers between the first substrate and the second substrate to form a liquid crystal cell, and placing the liquid crystal cell in a reaction chamber, applying a drive voltage to the liquid crystal cell and illuminating the liquid crystal cell with a light source to perform polymerization between the monomers and the alignment layers. The light source includes at least one wavelength, and illumination times of the light source are at least one. The light source is an ultraviolet light or a visible light. By controlling the reaction condition between the alignment layers and the monomers, defects caused in the alignment process may be reduced.Type: GrantFiled: December 24, 2018Date of Patent: June 9, 2020Assignee: HKC CORPORATION LIMITEDInventor: Beizhou Huang
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Patent number: 10670787Abstract: As a liquid crystal cured film that is small in amount of decrease in phase difference value which decrease is caused in a case where the liquid crystalline cured film is exposed to a high-temperature environment, provided is a liquid crystal cured film containing a polymerizable liquid crystal compound that is polymerized, the liquid crystal cured film having a maximum absorption at a wavelength in a range of not less than 300 nm and not more than 380 nm, and satisfying the following Formula (Y): (1?P?/P0)×100?73 . . . (Y).Type: GrantFiled: July 21, 2016Date of Patent: June 2, 2020Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Tatsuaki Kasai, Nobuyuki Hatanaka
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Patent number: 10634833Abstract: As a liquid crystal cured film that is small in amount of decrease in phase difference value which decrease is caused in a case where the liquid crystalline cured film is exposed to a high-temperature environment, provided is a liquid crystal cured film containing a polymerizable liquid crystal compound that is polymerized, the liquid crystal cured film having a maximum absorption at a wavelength in a range of not less than 300 nm and not more than 380 nm, and satisfying the following Formula (Y): (1?P?/P0)×100?73 . . . (Y).Type: GrantFiled: July 21, 2016Date of Patent: April 28, 2020Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Tatsuaki Kasai, Nobuyuki Hatanaka
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Patent number: 10620474Abstract: The present invention provides, by using a photo-alignment film, a liquid crystal display device in which a good voltage holding ratio is retained for a long period of time and occurrence of image sticking and stain in a display screen is prevented. The liquid crystal display device of the present invention includes an active matrix liquid crystal panel and a backlight, the liquid crystal panel including a liquid crystal layer, a pair of substrates that sandwich the liquid crystal layer in between, and an alignment film disposed on a liquid crystal layer side surface of each of the substrates, each alignment film being a photo-alignment film formed from a material that exhibits a photo-alignment characteristic and containing carboxyl groups on the liquid crystal layer side, the liquid crystal layer containing a liquid crystal material and a nitrobenzene derivative.Type: GrantFiled: March 11, 2016Date of Patent: April 14, 2020Assignee: SHARP KABUSHIKI KAISHAInventor: Masanobu Mizusaki
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Patent number: 10598836Abstract: The laminated body of the present invention includes an optically anisotropic layer, an alignment film, and an adhesive agent layer which are laminated in this order. The optically anisotropic layer has maximum absorptions at a wavelength in a range of not less than 300 nm and not more than 380 nm and satisfies Formula (Y) below. “50<(1?P?/P0)×100<85 . . . (Y)” wherein: P? represents a P value in a surface of the optically anisotropic layer on which surface the alignment film is laminated and which surface is perpendicular to a thickness direction; and P0 represents the P value of the polymerizable liquid crystal compound.Type: GrantFiled: July 21, 2016Date of Patent: March 24, 2020Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Nobuyuki Hatanaka, Tatsuaki Kasai
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Patent number: 10557082Abstract: A liquid crystal composition and use thereof in the liquid crystal display field. The liquid crystal composition includes, in percentages by weight, 5-40% of one or more compounds represented by general formula I, 2-30% of one or more compounds represented by general formula II, and 20-70% of one or more compounds represented by general formula III, and may further include 4-30% of one or more compounds represented by general formula IV and/or 5-25% of one or more compounds represented by general formulas V to IX. The combined use of the above-mentioned compounds can effectively reduce the rotational viscosity of the liquid crystal composition, improve related properties of the mixed liquid crystal, and thus reduce the response time thereof. The liquid crystal composition can be used for a fast-response liquid display in a variety of display modes.Type: GrantFiled: November 27, 2015Date of Patent: February 11, 2020Assignee: BEIJING BAYI SPACE LCD TECHNOLOGY CO., LTDInventors: Maoxian Chen, Haiguang Chen, Shihong Chu, Tianmeng Jiang, Xin Wei, Lin Zhang, Huiqiang Tian, Qinghua Li, Jin Yuan, Yunpeng Guo, Xuehui Su
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Patent number: 10501691Abstract: Disclosed are compounds of the formula I, liquid-crystalline media comprising the compounds of formula I, and the use of these liquid-crystalline media in liquid-crystal displays.Type: GrantFiled: August 4, 2017Date of Patent: December 10, 2019Assignee: MERCK PATENT GMBHInventors: Achim Goetz, Rocco Fortte, Martin Engel, Sabrina Maag, Thorsten Kodek
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Patent number: 10423023Abstract: A method of preparing a liquid crystal capsule and the use of the liquid crystal capsule. The liquid crystal capsule has advantages in that transmittance and stability are improved and the degree of scattering is uniform.Type: GrantFiled: February 26, 2015Date of Patent: September 24, 2019Assignee: LG CHEM, LTD.Inventors: Dong Hyun Oh, Sung Joon Min, Jung Sun You, Kyung Jun Kim
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Patent number: 10316251Abstract: A liquid crystal composition having negative dielectric anisotropy, large refractive index anisotropy, and low viscosity and containing as a first component, one or two or more compounds represented by general formula (I) and, as a second component, one or two or more compounds represented by general formula (II), wherein dielectric anisotropy (??) at 25° C. is ?2.0 or less. Also, a liquid crystal display device having high contrast, fast response, and excellent display quality without causing image sticking and display defects.Type: GrantFiled: August 22, 2017Date of Patent: June 11, 2019Assignee: DIC CORPORATIONInventors: Takeshi Kuriyama, Joji Kawamura
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Patent number: 10303001Abstract: Disclosed are a thermal crosslink material, a manufacture method of a liquid crystal display panel and a liquid crystal display panel. A structural formula of the thermal crosslink material is wherein A is B is and R is a linear or chain branched alkyl having 5-20 C atoms, wherein one or more CH2 in the alkyl is substituted with phenyl cycloalkyl, —O—, —CONH—, —COO—, —O—CO—, —CO— or —CH?CH— group, or one or more H atoms in the first group are substituted with F atom or Cl atom; a specific crosslink material may be one of Molecules of the thermal crosslink material crosslink together to forma polymer having a crosslinked network, and groups A and B can be anchored on a substrate surface The branch R provides an effect of vertical alignment and can form alignment films.Type: GrantFiled: February 26, 2016Date of Patent: May 28, 2019Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Song Lan, Yungjui Lee
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Patent number: 10301544Abstract: A liquid-crystalline medium, in particular based on a mixture of polar compounds, having compounds of formulae Y, CY, PY and/or LY, and compounds of formula S1 and/or S2:Type: GrantFiled: May 18, 2017Date of Patent: May 28, 2019Assignee: MERCK PATENT GMBHInventors: Gavin Hung, Lawrence Huang, Max Nien
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Patent number: 10294426Abstract: The present invention relates to liquid-crystalline media (LC media) having negative or positive dielectric anisotropy, comprising a low-molecular-weight component and a polymerizable component. The polymerizable component comprises self-aligning, polymerizable mesogens (polymerizable self-alignment additives) which effect homeotropic (vertical) alignment of the LC media at a surface or the cell walls of a liquid-crystal display (LC display). The invention therefore also encompasses LC displays having homeotropic alignment of the LC medium without alignment layers. The invention discloses novel structures for polymerizable self-alignment additives which have a certain position of the functional groups.Type: GrantFiled: June 25, 2015Date of Patent: May 21, 2019Assignee: MERCK PATENT GMBHInventors: Graziano Archetti, Izumi Saito, Rocco Fortte, Oliver Heppert, Andreas Taugerbeck, Elena Neumann
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Patent number: 10280368Abstract: A liquid crystal composition satisfying at least one characteristic such as high maximum temperature, low minimum temperature, small viscosity, suitable optical anisotropy, large negative dielectric anisotropy, large specific resistance, high stability to UV light or to heat, or having a suitable balance regarding at least two of the characteristics, and an AM device having characteristics such as a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio and a long service life are shown. The liquid crystal composition contains a specific compound having at least three polymerizable groups, and the liquid crystal display device includes the composition. The composition may contain a specific compound having large negative dielectric anisotropy as a first component, and a specific compound having a high maximum temperature or small viscosity as a second component.Type: GrantFiled: March 25, 2014Date of Patent: May 7, 2019Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Masayuki Saito, Yoshimasa Furusato
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Patent number: 10203536Abstract: A photo-tunable liquid crystal composition may include a polymer matrix and a liquid crystal mixture dispersed within the polymer matrix. The liquid crystal mixture may include at least one achiral nematic liquid crystal material, at least sine photo-active chiral dopant, at least one photo-inactive chiral dopant, and at least one emissive dye. The composition may be fabricated in the form of an emulsion, a wet film, or a dry film. The dry film may be used in a photo-tunable liquid crystal film laser. The output wavelength of the photo-tunable liquid crystal film laser may be tuned by exposing the dry film to illumination having at least one wavelength at one or more transition wavelengths.Type: GrantFiled: June 5, 2014Date of Patent: February 12, 2019Assignee: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventor: Zhigang Zheng
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Patent number: 10194691Abstract: A smoking article is disclosed herein. The smoking article includes a shell defining an interior space, a consumable substance within the interior space, a heat source effective to increase the temperature of at least a portion of the shell, and a label attached to at least a portion of the shell. The label includes a base film, a cover film, and a temperature dependent material disposed between the base film and the cover film. The temperature dependent material is configured to transition between a first appearance and a second appearance responsive to the increase of the temperature of at least a portion of the shell.Type: GrantFiled: May 25, 2016Date of Patent: February 5, 2019Assignee: R.J. Reynolds Tobacco CompanyInventors: Andries Don Sebastian, Craig T. Demarest, Jarkko Tuominen, Annukka Kokkonen, Antti Sunnari, Sanna Uusitalo, Olli-Heikki Huttunen
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Patent number: 10138420Abstract: The present invention relates to liquid crystal media comprising polymerizable mesogenic compounds with a bent shape, and to electro-optical displays comprising these media as light modulation media. In particular the electro-optical displays according to the present invention are displays, which are operated at a temperature, at which the liquid crystal modulation media are in an optically isotropic phase, preferably in a blue phase.Type: GrantFiled: July 17, 2015Date of Patent: November 27, 2018Assignee: Merck Patent GmbHInventors: Michael Wittek, Norihiko Tanaka, Kevin Adlem, Matthias Bremer, David Wilkes, Ming-Chou Wu
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Patent number: 10077401Abstract: A polymerizable compound having high polymerization reactivity, a high conversion ratio and high solubility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared from the composition and a liquid crystal display device having the composite are shown. The polymerizable compound has three or four rings in a serial arrangement and not being mutually condensed, and has three or more polymerizable groups among which at least one is bonded with a ring which is not an either terminal of the three or four rings. The polymerizable composition contains the above polymerizable compound and a liquid crystal composition. The liquid crystal composite is prepared from the above polymerizable composition, and the liquid crystal display device has the liquid crystal composite.Type: GrantFiled: March 13, 2014Date of Patent: September 18, 2018Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Masahide Kobayashi, Yasuyuki Gotoh, Takahiro Kobayashi
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Patent number: 10059878Abstract: Provided is a liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature, a low minimum temperature, small viscosity, large optical anisotropy and large dielectric anisotropy, or has a suitable balance regarding at least two of the characteristics, and an AM device including the composition. The liquid crystal composition may contain a specific compound having large negative dielectric anisotropy as a first component, a specific compound having a high maximum temperature or small viscosity as a second component, a specific compound having negative dielectric anisotropy as a third component, or a specific compound having a polymerizable group as an additive component.Type: GrantFiled: February 10, 2017Date of Patent: August 28, 2018Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventor: Masayuki Saito
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Patent number: 10053625Abstract: A display device includes a first substrate, a second substrate, and a liquid crystal layer. The second substrate faces the first substrate. The liquid crystal layer is disposed between the first substrate and the second substrate. The liquid crystal layer includes liquid crystal molecules having negative dielectric constant anisotropy and an additive. The additive may be 2,6-di-tert-butyl phenol in which at least one position of a 3-position, 4-position and 5-position is substituted with a substituent.Type: GrantFiled: November 4, 2015Date of Patent: August 21, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Hyelim Jang
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Patent number: 10017694Abstract: Disclosed is a liquid crystal medium containing a 2,4-diflurophenyl compound and the use thereof. The liquid crystal composition comprises the compounds as represented by formula I and formula II. The liquid crystal composition has a low rotary viscosity, good chemical and thermal stability and a fast response speed, it is suitable for a liquid crystal display device and particularly suitable for the use in an active matrix display of a TN, IPS or FFS mode.Type: GrantFiled: November 2, 2016Date of Patent: July 10, 2018Assignee: Shijiazhuang Chengzhi Yonghua Display Materials Co., Ltd.Inventors: Hongru Gao, Yuqing Fu, Xuejiao Chen, Junhong Su, Renjie Liu
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Patent number: 10012868Abstract: The present invention provides a polymerizable compound denoted by Formula (I): in the formula, Z1 and Z2 represent an arylene group, and the like, m represents 1 or 2, n represents an integer of 0 or 1, and when m is 2, n is 0, L1, L2, L3, and L4 each independently represent a linking group such as —C(?O)O— and —OC(?O)—, T3 represents -Sp4-R4, X represents —O—, and the like, r represents 1 to 4, Sp1, Sp2, Sp3, Sp4, and Sp5 each independently represent a single bond or a linking group, R1 and R2 each independently represent a polymerizable group, and R3, R4, and R5 each independently represent a hydrogen atom, a polymerizable group, or the like; a polymerizable composition containing the polymerizable compound described above; a film formed of the polymerizable composition described above; and a half mirror for displaying a projection image including the film described above.Type: GrantFiled: September 23, 2016Date of Patent: July 3, 2018Assignee: FUJIFILM CorporationInventors: Yuki Nakazawa, Shunya Katoh, Hiroshi Matsuyama, Daisuke Hayashi, Masaru Yoshikawa
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Patent number: 9856172Abstract: Compositions including cement and an additive and methods for making compositions and/or concrete mixtures including a cement and an additive are provided.Type: GrantFiled: August 24, 2016Date of Patent: January 2, 2018Assignee: LIGHT POLYMERS HOLDINGInventors: Valeriy Kuzmin, Easton Groves, Gagandeep Sidhu, Michael Joseph Katila
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Patent number: 9688915Abstract: A liquid crystal composition satisfying at least one of characteristics such as a high maximum temperature of nematic phase, a low minimum temperature of nematic phase, small viscosity, suitable optical anisotropy, large positive dielectric anisotropy, large specific resistance, high stability to UV light and heat or a large elastic constant, or having a suitable balance regarding at least two of the characteristics, and an AM device having a short response time, a large voltage holding ratio, a low threshold voltage, a large contrast ratio and a long service life, etc. are described. The composition has a nematic phase and contains an additive that can suppress formation of an impurity, and a specific compound having large dielectric anisotropy as a first component, and may contain a specific compound having a high maximum temperature or small viscosity as a second component. The AM device is an LCD device including the composition.Type: GrantFiled: June 9, 2014Date of Patent: June 27, 2017Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Yoshimasa Furusato, Masayuki Saito
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Patent number: 9684205Abstract: A display panel including a first substrate, a pixel array disposed on the first substrate, a first alignment layer covering the pixel array, a second substrate disposed opposite the first substrate, a second alignment layer disposed on the second substrate and a display medium disposed between the first alignment layer and the second alignment layer is provided. The first alignment layer has first alignment particles. A number of the first alignment particles each having an area ranged from 250 nm2 to 1000 nm2 occupies 40% or less of a total number of the first alignment particles in a unit area. The second alignment layer has second alignment particles. A number of the second alignment particles each having the area ranged from 250 nm2 to 1000 nm2 occupies 40% or less of a total number of the second particles in the unit area.Type: GrantFiled: September 25, 2015Date of Patent: June 20, 2017Assignee: Au Optronics CorporationInventors: Chen-Chun Lin, Tien-Lun Ting, Wen-Hao Hsu
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Patent number: 9644145Abstract: The invention relates to a birefringent RM lens obtainable from a polymerizable liquid crystalline medium consisting of a polymerizable liquid crystalline component A, consisting of one or more polymerizable mesogenic compounds, and a non-polymerizable component B, consisting of one or more non-polymerizable compounds and to the use of such birefringent RM lenses in electro optical devices, such as liquid crystal displays (LCDs) or other optical or electrooptical devices, for decorative or security applications.Type: GrantFiled: November 18, 2013Date of Patent: May 9, 2017Assignee: MERCK PATENT GMBHInventor: Joseph Sargent
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Patent number: 9637578Abstract: A polymerizable compound is provided having suitable polymerization reactivity, high conversion and high compatibility in a liquid crystal composition, a polymerizable composition containing the compound, a liquid crystal composite prepared using the composition, and a liquid crystal display device having the composite. The polymerizable compound has at least one monovalent group (A). The polymerizable composition contains the compound. The liquid crystal composition and the liquid crystal composite is prepared using the polymerizable composition. The liquid crystal display device has the liquid crystal composite. In the monovalent group (A), R1 and R2 are independently alkyl having 1 to 3 carbons, and in the alkyl, at least one of hydrogen may be replaced by fluorine, and R3 is hydrogen or methyl.Type: GrantFiled: August 11, 2015Date of Patent: May 2, 2017Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATIONInventors: Yasuyuki Gotoh, Kenji Hirata
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Patent number: 9598639Abstract: Liquid-crystal compounds, liquid-crystal compositions, and liquid-crystal devices employing the same are provided. The liquid-crystal compound has a structure of Formula (I): wherein R1 is hydrogen, C1-10 alkyl, or C2-10 alkenyl; R2 is, C2-10 alkenyl, or C2-10 fluoroalkenyl, in which one or two nonadjacent —CH2— is replaced by —O—, or C2-10 ether; A1, A2, A3, and A4 are independently R3 is independently hydrogen, or halogen; Z1, Z2, and Z3 are independently single bond, —CH2—, —(CH2)2—, —(CH2)4—, —CH2O—, —OCH2—, —CF?CF—, —(CH2)2CF2O—, —(CH2)2OCF2—, —OCF2(CH2)2—, —CF2O(CH2)2—, —COO—, —OCO—, —CF2O—, —OCF2—, —C?C—, —CH?CH—, —CH?CH—(CH2)2—, or —(CH2)2—CH?CH—; and n and m are independently 1 or 0.Type: GrantFiled: July 22, 2015Date of Patent: March 21, 2017Assignee: DAXIN MATERIALS CORPORATIONInventors: Ching-Tien Lee, Hsin-Cheng Liu, Chun-Chih Wang, Wan-Yu Huang, Tian-Meng Jiang, Hui-Qiang Tian, Li-Long Gao
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Patent number: 9588427Abstract: A light exposure system executing a light exposure process to a plurality of assembly cells, each of which includes a first substrate, a second substrate and a liquid crystal layer disposed between the first and second substrates, comprises: a transmission device; two moving stages disposed on the transmission device and carrying the assembly cells; and a light source module including at least a light emitting element, wherein the transmission device moves at least one of the moving stages carrying the assembly cell or the light source module, and the light emitting element emits the light to the assembly cell, wherein the assembly cells include a first assembly cell and a second assembly cell, the moving stages carry the first assembly cell and the second assembly cell, respectively, wherein when the light exposure process is executed to the first assembly cell, the second assembly cell receives the work of cell replacement and alignment, electrode contact and application of electric field, wherein when theType: GrantFiled: May 19, 2014Date of Patent: March 7, 2017Assignee: INNOLUX CORPORATIONInventors: Ker-Yih Kao, Tsan-Jen Chen, Chen-Kuan Kao, Chien-Hsing Lee
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Patent number: 9487699Abstract: A liquid crystal display panel includes a first substrate including a pixel electrode, a second substrate a second substrate including a common electrode and disposed opposite to the first substrate, and a liquid crystal layer between the first substrate and the second substrate, where the liquid crystal layer includes liquid crystal molecules having an elastic coefficient of bend phase (K33) and an elastic coefficient of splay phase (K11), and a ratio of the elastic coefficient of bend phase (K33) to the elastic coefficient of splay phase (K11) of the liquid crystal molecules in the liquid crystal layer is in a range of about 0.96 to about 1.25.Type: GrantFiled: August 18, 2014Date of Patent: November 8, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Soon-Joon Rho, Kyung-Min Kim, Jin-Lak Kim, Hye-Lim Jang, Keun-Chan Oh
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Patent number: 9481829Abstract: A compound represented by the following formula (1) has sufficient solubility, a wide usable concentration range, and excellent haze-lowering performance. In the formula, L1 to L6 represent a single bond, —O—, —CO—, —COO—, etc; Sp1 to Sp4 represent a single bond or alkylene of 1 to 10 carbon atoms; A1 and A2 represent trivalent or tetravalent aromatic hydrocarbon or heterocyclic; T represents the following formulae, etc; Hb represent perfluoroalkyl of 2 to 30 carbon atoms; m and n are 2 or 3; and o and p are an integer of 0 or more.Type: GrantFiled: January 24, 2014Date of Patent: November 1, 2016Assignee: FUJIFILM CorporationInventors: Masatoshi Mizumura, Shunya Katoh, Minoru Uemura, Yasuhiro Ishiwata, Masaru Yoshikawa, Hiroshi Matsuyama
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Patent number: 9397307Abstract: An organic electroluminescence device includes: a cathode; an anode; and an organic layer having one or more layers and provided between the anode and the cathode, in which the organic layer includes an emitting layer, and the emitting layer includes a first host material, a second host material and a phosphorescent dopant material. The first host material is a compound represented by a formula (1) below. The second host material is a compound represented by a formula (4) below.Type: GrantFiled: February 12, 2014Date of Patent: July 19, 2016Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Kazuki Nishimura, Sayaka Mizutani
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Patent number: 9382480Abstract: A dichromatic dye composition which has the characteristics of higher order parameter and good miscibility can be applied in a guest-host liquid crystal composition. The absorbance curve of a guest-host liquid crystal composition with the dichromatic dye composition within the range of 420-680 nm has the following characteristics: a. 2?(T1+T2)/?T?10; b. |T1?T2|?0.5; c. 0<?T?0.2, where T1 is a difference between a transmittance to light at 420 nm and a minimum transmittance, T2 is a difference between the transmittance at a wavelength of 680 nm and a minimum transmittance, and ?T is a difference between the maximum and minimum transmittances on the transmittance curve within the wavelength range of 420-680 nm. A liquid crystal element with the guest-host liquid crystal composition provides a high-contrast display. A liquid crystal display device has the guest-host liquid crystal composition with the dichromatic dye composition.Type: GrantFiled: May 31, 2013Date of Patent: July 5, 2016Assignee: Jiangsu Hecheng Display Technology Co. Ltd.Inventors: Haibin Xu, Yudong Tan, Zhaoyuan Chen, Feng Wu, Xiaofei She, Da Huang, Xiangfei Kong, Xiaolong Song, Shizhi You
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Patent number: 9371485Abstract: A liquid crystal composition including a dioxolane compound represented by the general formula (G1) as a chiral agent is provided. In the general formula (G1), R1 and R2 individually represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an aryl group having 6 to 12 carbon atoms, and an alkyl group having 1 to 20 carbon atoms and having a phenyl group as a substituent; R1 and R2 may be bonded to each other to form a ring; R3 and R4 individually represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, and a cycloalkyl group; and R5 to R40 individually represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms.Type: GrantFiled: April 8, 2015Date of Patent: June 21, 2016Assignee: Semiconductor Energy Laboraory Co., LTD.Inventors: Tomohiro Tamura, Yasuhiro Niikura, Tetsuji Ishitani, Sachiko Kawakami, Yuko Kawata
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Patent number: 9206300Abstract: A wholly aromatic thermotropic liquid crystalline polymer and compositions including the liquid crystalline polymer are described. The polymer composition can include the liquid crystalline polymer and a fibrous filler, e.g., a chopped glass or milled glass fibrous filler. The compositions are capable of exhibiting excellent mechanical properties. The liquid crystalline polymer provides desirable characteristics with the incorporation of little or no naphthenic acids in the polymer backbone.Type: GrantFiled: June 5, 2014Date of Patent: December 8, 2015Assignee: Ticona LLCInventors: Xinyu Zhao, Kamlesh Nair, Paul Yung, Grant Barber, Steven Gray, Young Shin Kim, Ardian Maliqi
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Patent number: 9139776Abstract: The present invention relates to a composite comprising a polymer and a blue phase liquid crystal (BPLC). The polymer is a crosslinked and non-liquid crystalline polymer, the BPLC is dispersed in said polymer, and the ratio of the polymer to the BPLC by weight (Wp/Wl) satisfies the relationship: 12:88<Wp/Wl?30:70, wherein the Wp is the weight of the polymer, and Wl is the weight of the BPLC. The composite exhibits a very wide temperature range of blue phase of the BPLC, and can respond to an electric field at a millisecond level. The composite has an excellent stability, and a lower viscosity, while a wide viewing angle and a low driving voltage can be achieved. The invention also provides a method for preparing the composite, and a LCD device comprising the composite. The method of the present invention is simple and efficient.Type: GrantFiled: October 21, 2013Date of Patent: September 22, 2015Assignee: BOE Technology Group Co., Ltd.Inventors: Huai Yang, Ling Wang, Wanli He
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Patent number: 9039931Abstract: A liquid crystal composition including a dioxolane compound represented by the general formula (G1) as a chiral agent is provided. In the general formula (G1), R1 and R2 individually represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, an aryl group having 6 to 12 carbon atoms, and an alkyl group having 1 to 20 carbon atoms and having a phenyl group as a substituent; R1 and R2 may be bonded to each other to form a ring; R3 and R4 individually represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, and a cycloalkyl group; and R5 to R40 individually represent any of hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, and an aryl group having 6 to 12 carbon atoms.Type: GrantFiled: January 7, 2014Date of Patent: May 26, 2015Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Tomohiro Tamura, Yasuhiro Niikura, Tetsuji Ishitani, Sachiko Kawakami, Yuko Kawata
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Patent number: 9039930Abstract: A blue phase liquid crystal display panel and a fabricating method thereof are provided. A first substrate and a second substrate are provided, and then a blue phase liquid crystal composition is filled between the first substrate and the second substrate, wherein the blue phase liquid crystal composition includes a blue phase liquid crystal and a reactive monomer. Next, an irradiation process is performed to induce a polymerization reaction in the reactive monomer of the blue phase liquid crystal composition, wherein a light utilized in the irradiation process has a wavelength ranged from 200 nm to 350 nm.Type: GrantFiled: March 31, 2013Date of Patent: May 26, 2015Assignee: Au Optronics CorporationInventors: Yi-Fen Lan, Ling-Yung Wang, Pu-Jung Huang, Cheng-Yeh Tsai
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Patent number: RE47763Abstract: An organic electroluminescence device includes: a cathode; an anode; and an organic layer having one or more layers and provided between the anode and the cathode, in which the organic layer includes an emitting layer, and the emitting layer includes a first host material, a second host material and a phosphorescent dopant material. The first host material is a compound represented by a formula (1) below. The second host material is a compound represented by a formula (4) below.Type: GrantFiled: April 5, 2017Date of Patent: December 10, 2019Assignee: Idemitsu Kosan Co., Ltd.Inventors: Kazuki Nishimura, Sayaka Mizutani
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Patent number: RE49237Abstract: An organic electroluminescence device includes: a cathode; an anode; and an organic layer having one or more layers and provided between the anode and the cathode, in which the organic layer includes an emitting layer, and the emitting layer includes a first host material, a second host material and a phosphorescent dopant material. The first host material is a compound represented by a formula (1) below. The second host material is a compound represented by a formula (4) below.Type: GrantFiled: November 7, 2019Date of Patent: October 4, 2022Assignee: Idemitsu Kosan Co., Ltd.Inventors: Kazuki Nishimura, Sayaka Mizutani