专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US07608199B2 Liquid crystal composition and liquid crystal display element 有权
标题翻译：液晶组成和液晶显示元件
公开(公告)号：US07608199B2
公开(公告)日：2009-10-27
申请号：US11108002
申请日：2005-04-14
申请人： Norikatsu Hattori , Hitoshi Yamamoto
发明人： Norikatsu Hattori , Hitoshi Yamamoto
IPC分类号： C09K19/00 , C09K19/52
CPC分类号： C09K19/3066 , C09K19/3001 , Y10T428/10 , Y10T428/1005
摘要： A liquid crystal composition with a negative dielectric anisotropy includes at least one compound selected from the group of compounds represented by the following formula (1) as a first component, and at least one compound selected from the group of compounds represented by the following formulas (2-1) to (2-3) and (3-1) to (3-4) as a second component.
摘要翻译：具有负介电各向异性的液晶组合物包含至少一种选自由下式（1）表示的化合物作为第一组分的化合物和至少一种选自下式表示的化合物的化合物 2-1）至（2-3）和（3-1）至（3-4）作为第二组分。

2. 发明申请

US20070007493A1 Liquid crystal composition and liquid crystal display device 有权
标题翻译：液晶组成和液晶显示装置
公开(公告)号：US20070007493A1
公开(公告)日：2007-01-11
申请号：US11472564
申请日：2006-06-22
申请人： Norikatsu Hattori , Hitoshi Yamamoto , Hiroaki Fujita
发明人： Norikatsu Hattori , Hitoshi Yamamoto , Hiroaki Fujita
IPC分类号： C09K19/30 , C09K19/12
CPC分类号： C09K19/3001 , C09K19/44 , Y10T428/10
摘要： The invention provides a liquid crystal composition that satisfies many characteristics among the characteristics such as a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, and a large specific resistance, and a liquid crystal display device containing the composition. The liquid crystal composition has a negative dielectric anisotropy and contains a first component containing a mono-fluorine-replaced liquid crystal compound having a specific structure and a second component containing a liquid crystal compound having two or more fluorines having a specific structure, and the liquid crystal display device contains the liquid crystal composition.
摘要翻译：本发明提供一种液晶组合物，其特征如在向列相的温度范围宽，粘度小，光学各向异性大，介电各向异性大，电阻率大等特性上，显示装置包含组成。液晶组合物具有负介电各向异性，并且含有含有具有特定结构的单氟置换液晶化合物的第一组分和含有具有两个或多个具有特定结构的氟的液晶化合物的第二组分，并且液体晶体显示装置含有液晶组合物。

3. 发明授权

US07608310B2 Liquid crystal composition and liquid crystal display device 有权
标题翻译：液晶组成和液晶显示装置
公开(公告)号：US07608310B2
公开(公告)日：2009-10-27
申请号：US11472564
申请日：2006-06-22
申请人： Norikatsu Hattori , Hitoshi Yamamoto , Hiroaki Fujita
发明人： Norikatsu Hattori , Hitoshi Yamamoto , Hiroaki Fujita
IPC分类号： C09K19/30 , C09K19/12
CPC分类号： C09K19/3001 , C09K19/44 , Y10T428/10
摘要： The invention provides a liquid crystal composition that satisfies many characteristics among the characteristics such as a wide temperature range of a nematic phase, a small viscosity, a suitable optical anisotropy, a negatively large dielectric anisotropy, and a large specific resistance, and a liquid crystal display device containing the composition. The liquid crystal composition has a negative dielectric anisotropy and contains a first component containing a mono-fluorine-replaced liquid crystal compound having a specific structure and a second component containing a liquid crystal compound having two or more fluorines having a specific structure, and the liquid crystal display device contains the liquid crystal composition.
摘要翻译：本发明提供一种液晶组合物，其特征如在向列相的温度范围宽，粘度小，光学各向异性大，介电各向异性大，电阻率大等特性上，显示装置包含组成。液晶组合物具有负介电各向异性，并且含有含有具有特定结构的单氟置换液晶化合物的第一组分和含有具有两个或多个具有特定结构的氟的液晶化合物的第二组分，并且液体晶体显示装置含有液晶组合物。

4. 发明申请

US20050230661A1 Liquid crystal composition and liquid crystal display element 有权
公开(公告)号：US20050230661A1
公开(公告)日：2005-10-20
申请号：US11108002
申请日：2005-04-14
申请人： Norikatsu Hattori , Hitoshi Yamamoto
发明人： Norikatsu Hattori , Hitoshi Yamamoto
IPC分类号： G02F1/13 , C09K19/12 , C09K19/30 , C09K19/42
CPC分类号： C09K19/3066 , C09K19/3001 , Y10T428/10 , Y10T428/1005
摘要： An advantage of the present invention is to provide a liquid crystal composition, which satisfies two or more of characteristics such as a wide nematic phase temperature range, a small viscosity, a suitable optical anisotropy, a large negative dielectric anisotropy, and a large specific resistance. One aspect of the invention is to provide a liquid crystal composition having properly balanced characteristics. Another aspect of the invention is to provide a liquid crystal display element, which includes such a composition to have a large voltage holding ratio. A further aspect of the invention is to provide an AM element, which includes a composition having characteristics such as a small viscosity, an optical anisotropy of 0.05 to 0.11, and a dielectric anisotropy of −6.5 to −2.0, and is suitable for a VA mode, an IPS mode, etc. A liquid crystal composition with a negative dielectric anisotropy, comprising at least one compound selected from the group of compounds represented by the following formula (1) as a first component, and at least one compound selected from the group of compounds represented by the following formulas (2-1) to (2-3) and (3-1) to (3-4) as a second component: wherein R1 is alkyl or alkenyl; R2is alkyl, alkenyl, or alkoxy; R3 is alkyl, alkenyl, alkoxy, or —COO—R4, in which R4 is alkyl; R5 is alkyl, alkenyl, alkoxy, or alkoxymethyl; Z1 and Z2 are independently a single bond, —CH2O—, —OCH2—, —(CH2)2—, —(CH2)4—, —CF2O—, —OCF2—, —C2H4CF2O—, —C2H4OCF2—, —CF2OC2H4—, or —OCF2C2H4—, Z3 is a single bond or —COO—; A1 is 1,4-cyclohexylene or 1,4-phenylene; A2 and A3 are independently 1,4-cyclohexylene, 1,4-phenylene, 1,4-phenylene in which any hydrogen may be replaced by fluorine, or 2-difluoromethyl-3-fluoro-1,4-phenylene; A4 is 1,4-cyclohexylene, 1,4-phenylene, or 1,4-phenylene in which a hydrogen is replaced by a fluorine; A5 is 1,4-phenylene or 1,4-phenylene in which a hydrogen is replaced by a fluorine; A6is 2-fluoro-1,4-phenylene; n is 0 or 1; in the formula (1), when n is 0, A2 is 2-difluoromethyl-3-fluoro-1,4-phenylene, and Z2 is a single bond; and in the formula (1), when n is 1, one of A2 and A3 is 2-difluoromethyl-3-fluoro-1,4-phenylene, and one of Z1 and Z2 is a single bond.

5. 发明授权

US09985232B2 Biscarbazole derivative host materials for OLED emissive region 有权
公开(公告)号：US09985232B2
公开(公告)日：2018-05-29
申请号：US14400352
申请日：2012-05-17
申请人： Kazuki Nishimura , Toshihiro Iwakuma , Hitoshi Yamamoto , Michael S. Weaver , Julia J. Brown
发明人： Kazuki Nishimura , Toshihiro Iwakuma , Hitoshi Yamamoto , Michael S. Weaver , Julia J. Brown
IPC分类号： H01L51/00 , H01L51/50 , C07D209/82 , C09K11/06 , C07D401/14 , C07D405/14 , H05B33/20
CPC分类号： H01L51/5016 , C07D209/82 , C07D401/14 , C07D405/14 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/185 , H01L51/0059 , H01L51/0067 , H01L51/0072 , H01L51/0073 , H01L51/0085 , H01L51/5012 , H01L2251/5384 , H05B33/20
摘要： An organic electroluminescence device utilizes a novel combination of one or more biscarbazole derivative compounds as the phosphorescent host material in combination with an organometallic phosphorescent material as a dopant in the light emitting region of the device, where the biscarbazole derivative compounds are represented by a formula (1A) or (2A) below: where A1 represents a substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; A2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms, or substituted or unsubstituted nitrogen-containing heterocyclic group having 1 to 30 ring carbon atoms; X1 and X2 each are a linking group; Y1 to Y4 each represent a substituent; p and q represent an integer of 1 to 4; and r and s represent an integer of 1 to 3; and the organometallic phosphorescent material is a compound having a substituted chemical structure represented by the formula (4A): where each R is independently selected from the group consisting of H, alkyl, alkenyl, alkynyl, alkylaryl, CN, CF3, CnF2n+1, trifluorovinyl, CO2R, C(O)R, NR2, NO2, OR, halo, aryl, heteroaryl, substituted aryl, substituted heteroaryl or a heterocyclic group; M is a platinum group metal; Ar′, Ar″, Ar′″ and Ar″″ each independently represent a substituted or unsubstituted aryl or heteroaryl substituent on the phenylpyridine ligand; a is 0 or 1; b is 0 or 1; c is 0 or 1; d is 0 or 1; m is 1 or 2; n is 1 or 2; m+n is the maximum number of ligands that can be coordinated to M, and wherein at least one of a, b, c, and d is 1 and when at least one of a and b is 1 and at least one of b and c is 1, at least one of Ar′ and Ar″ is different from at least one of Ar′″ and Ar″″.

6. 发明授权

US09599946B2 Image forming apparatus 有权
公开(公告)号：US09599946B2
公开(公告)日：2017-03-21
申请号：US14847203
申请日：2015-09-08
申请人： Mutsuki Morinaga , Tadashi Kasai , Jun Hitosugi , Takamasa Ozeki , Makoto Yasuda , Kunio Hasegawa , Emiko Shiraishi , Wakana Itoh , Takatsugu Komori , Hitoshi Yamamoto
发明人： Mutsuki Morinaga , Tadashi Kasai , Jun Hitosugi , Takamasa Ozeki , Makoto Yasuda , Kunio Hasegawa , Emiko Shiraishi , Wakana Itoh , Takatsugu Komori , Hitoshi Yamamoto
IPC分类号： G03G15/08 , G03G15/00
CPC分类号： G03G15/553 , G03G15/0849 , G03G15/0853 , G03G15/0856 , G03G2215/0888
摘要： An image forming apparatus includes a latent image bearer, a developing device, a supplier, and a controller. The controller controls the supplier according to a detection result of a toner density by the toner density sensor and a toner density target value to adjust the toner density of developer in the developing device. The controller is configured to correct the toner density target value and an imaging condition affecting a toner adhesion amount of an output image separately from the toner density, according to a component adhesion deterioration degree being a deterioration degree of carrier due to adhesion of a toner component, obtained based on at least an average image area ratio of the output image, and a coating abrasion deterioration degree being a progression degree of deterioration due to coating abrasion of the carrier, obtained based on at least the average image area ratio of the output image.

7. 发明授权

US09513594B2 Protective layer forming device and image forming apparatus 有权
标题翻译：保护层形成装置和成像装置
公开(公告)号：US09513594B2
公开(公告)日：2016-12-06
申请号：US14540745
申请日：2014-11-13
申请人： Kunio Hasegawa , Hiroshi Nakai , Kenji Komito , Tadashi Kasai , Takamasa Ozeki , Jun Hitosugi , Makoto Yasuda , Emiko Shiraishi , Wakana Itoh , Takatsugu Komori , Mutsuki Morinaga , Hitoshi Yamamoto
发明人： Kunio Hasegawa , Hiroshi Nakai , Kenji Komito , Tadashi Kasai , Takamasa Ozeki , Jun Hitosugi , Makoto Yasuda , Emiko Shiraishi , Wakana Itoh , Takatsugu Komori , Mutsuki Morinaga , Hitoshi Yamamoto
IPC分类号： G03G21/00
CPC分类号： G03G21/0094
摘要： A protective layer forming device, including: a powdery image bearer protecting agent formed of a granulated product containing a fatty acid metal salt and an inorganic lubricant; and a roller-shaped protecting agent supplying member configured to supply the powdery image bearer protecting agent to a surface of an image bearer.
摘要翻译：一种保护层形成装置，包括：由含有脂肪酸金属盐和无机润滑剂的造粒产物形成的粉状图像载体保护剂; 以及辊状保护剂供给构件，其构造成将粉状图像载体保护剂供给到图像载体的表面。

8. 发明申请

US20160313668A1 IMAGE FORMING APPARATUS 审中-公开
标题翻译：图像形成装置
公开(公告)号：US20160313668A1
公开(公告)日：2016-10-27
申请号：US15202024
申请日：2016-07-05
申请人： Tadashi KASAI , Makoto Yasuda , Mutsuki Morinaga , Hitoshi Yamamoto , Emiko Shiraishi , Yuichi Aizawa , Takamasa Ozeki , Jun Hitosugi , Kunio Hasegawa , Wakana Itoh , Takatsugu Komori
发明人： Tadashi KASAI , Makoto Yasuda , Mutsuki Morinaga , Hitoshi Yamamoto , Emiko Shiraishi , Yuichi Aizawa , Takamasa Ozeki , Jun Hitosugi , Kunio Hasegawa , Wakana Itoh , Takatsugu Komori
IPC分类号： G03G15/08
CPC分类号： G03G15/0849 , G03G15/0863 , G03G15/0879 , G03G15/55 , G03G2215/0129
摘要： In an image forming apparatus, provided with for each toner category a supply toner conveyance path including, at least as components, a developing means, a toner container corresponding to the developing means, and a connection means corresponding to the developing means and the toner container, each of the components of the supply toner conveyance path being individually replaceable, and includes a toner category detection means configured to detect toner category used in each component; a reporting means configured to report whether toner categories respectively used in all components of the same supply toner conveyance path are the same; and a control means configured to control the reporting means, based on detection information by the toner category detection means, when the component of the supply toner conveyance path is replaced.
摘要翻译：在图像形成设备中，为每个调色剂类别提供一种供应调色剂传送路径，至少包括与显影装置对应的显影装置，显影装置，调色剂容器以及对应于显影装置和调色剂容器的连接装置供给调色剂输送路径的每个部件可单独更换，并且包括配置为检测各部件中使用的调色剂类别的调色剂类别检测装置; 报告装置，被配置为报告分别在同一供应调色剂输送路径的所有部件中使用的调色剂类别是否相同; 以及控制装置，被配置为当更换供应调色剂传送路径的部件时，基于调色剂类别检测装置的检测信息来控制报告装置。

9. 发明申请

US20130306961A1 ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME 审中-公开
公开(公告)号：US20130306961A1
公开(公告)日：2013-11-21
申请号：US13995216
申请日：2011-02-11
申请人： Hitoshi Yamamoto , Michael S. Weaver , Julia J. Brown , Kazuki Nishimura , Toshihiro Iwakuma , Tomoki Kato , Mitsunori Ito
发明人： Hitoshi Yamamoto , Michael S. Weaver , Julia J. Brown , Kazuki Nishimura , Toshihiro Iwakuma , Tomoki Kato , Mitsunori Ito
IPC分类号： H01L51/50
CPC分类号： H01L51/5028 , H01L51/0059 , H01L51/0067 , H01L51/0072 , H01L51/0085 , H01L51/5016
摘要： The present invention provides an OLED in which an organic thin film emissive layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound having the chemical structure represented by the following formula: wherein at least one of Ar1 to Ar3 is represented by the following formula: wherein at least X1 to X3 are independently a nitrogen atom or CR2, provided that two of X1 to X3 are a nitrogen atom, R1 is a linear or branched alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 3 to 10 ring carbon atoms, a substituted or unsubstituted silyl group, an aryl group having 6 to 50 ring carbon atoms, a heteroaryl group having 5 to 50 ring atoms, a halogen atom or a cyano group, R2 is a hydrogen atom or a group represented by R1, a is an integer of 1 to 2 and n is an integer of 0 to 3, L1 is a substituted or unsubstituted arylene group having 6 to 50 ring carbon atoms, L2 is a substituted or unsubstituted arylene group having 6 to 50 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 5 to 50 ring atoms, at most two of Ar1 to Ar3 that are not the group of formula (2) are independently a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms, when L1, L2 and/or at most two of Ar1 to Ar3 that are not the group of formula (2) are a substituted group, the substitutes are independently a linear or branched alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 3 to 10 ring carbon atoms, a substituted or unsubstituted silyl group, an aryl group having 6 to 14 ring carbon atoms, a heteroaryl group having 5 to 20 ring atoms, a halogen atom or a cyano group, when two or more of Ar1 to Ar3 are the groups of formula (2), the groups of formula (2) may be the same or different, when a is 2, R1s may be the same or different, and when n is 2 or more, L2s may be the same or different; and the phosphorescent emitter material comprises a phosphorescent organometallic complex having a substituted chemical structure represented by one of the following partial chemical structures represented by the following formulas: wherein each R is independently selected from the group consisting of H, alkyl, alkenyl, alkynyl, CN, CF3, CnF2n+1, trifluorovinyl, CO2R, C(O)R, NR2, NO2, OR, halo, aryl, heteroaryl, substituted heteroaryl or a heterocyclic group.

10. 发明申请

US20130306960A1 ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME 审中-公开
公开(公告)号：US20130306960A1
公开(公告)日：2013-11-21
申请号：US13995193
申请日：2011-02-11
申请人： Hitoshi Yamamoto , Michael S. Weaver , Julia J. Brown , Kazuki Nishimura , Toshihiro Iwakuma , Mitsunori Ito
发明人： Hitoshi Yamamoto , Michael S. Weaver , Julia J. Brown , Kazuki Nishimura , Toshihiro Iwakuma , Mitsunori Ito
IPC分类号： H01L51/50
CPC分类号： H01L51/5028 , H01L51/0054 , H01L51/0058 , H01L51/0059 , H01L51/0072 , H01L51/0085 , H01L51/5012
摘要： The present invention provides an OLED in which an organic thin film emissive layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound having the chemical structure represented by the following formula (1): wherein R2 represents a hydrogen atom, a benzene ring, a condensed aromatic hydrocarbon ring, a dibenzofuran ring or a group represented by Ar3—R3; Ar1 to Ar3 each independently represent a benzene ring, a condensed aromatic hydrocarbon ring or a dibenzofuran ring; R1 and R3 each independently represent a hydrogen atom, a benzene ring, a condensed aromatic hydrocarbon ring, or a dibenzofuran ring; the condensed aromatic hydrocarbon ring represented by R1 to R3 and Ar1 to Ar3 is selected from the group consisting of a naphthalene ring, a chrysene ring, a fluoranthene ring, a triphenylene ring, a phenanthrene ring, a benzophenanthrene ring, a dibenzophenanthrene ring, a benzotriphenylene ring, a benzochrysene ring, and a benzo[b]fluoranthene ring; and R1 to R3, Ar1 to Ar3 and 2,7-disubstituted naphthalene ring each independently may have one or more substituents; with the proviso that when Ar1 and Ar2 each represents a condensed aromatic hydrocarbon constituted by four or more-membered ring, Ar1 and Ar2 are different from each other; wherein when Ar1 and Ar2 each represents a benzene ring, R1 and R2 cannot both be a hydrogen atom or a naphthalene ring at the same time; and when R1 and R2 each represents a hydrogen atom, Ar1 and Ar2 cannot both be a naphthalene ring at the same time or a combination of a naphthalene ring and a benzene ring; and the phosphorescent emitter material comprises a phosphorescent organometallic complex having a substituted chemical structure represented by one of the following partial chemical structures represented by the following formulas: wherein each R is independently selected from the group consisting of H, alkyl, alkenyl, alkynyl, CN, CF3, CnF2n+1, trifluorovinyl, CO2R, C(O)R, NR2, NO2, OR, halo, aryl, heteroaryl, substituted heteroaryl or a heterocyclic group.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式