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. 发明申请

US20090086125A1 Process for producing cellulose acylate film, cellulose acylate film, optically- compensatory film, polarizing plate and liquid-crystal display device 审中-公开
标题翻译：酰化纤维素膜，酰化纤维素膜，光学补偿膜，偏光板和液晶显示装置的方法
公开(公告)号：US20090086125A1
公开(公告)日：2009-04-02
申请号：US11919753
申请日：2006-06-08
申请人： Sumio Ohtani , Takahiro Moto , Yosuke Nishiura , Takako Nishiura
发明人： Sumio Ohtani , Takahiro Moto , Yosuke Nishiura , Takako Nishiura
IPC分类号： G02F1/1335 , B29C67/24 , B29C67/00 , C08B1/00 , G02B1/08
CPC分类号： G02B5/3033 , B29C41/28 , B29K2001/00 , B29K2001/12 , C08J5/18 , C08J2301/10 , G02F1/133528 , G02F1/13363 , G02F2413/105
摘要： A process for producing a cellulose acylate film comprising: casting a solution of a cellulose acylate having an acyl substitution degree of from 2.85 to 3.00 dissolved in at least one organic solvent onto an endless metal support; cooling the solution at 0° C. to −50° C. to effect gelation, so as to form a film; peeling the film off from the endless metal support; and drying the film.
摘要翻译：一种制备纤维素酰化物膜的方法，包括：将溶解在至少一种有机溶剂中的酰基取代度为2.85至3.00的纤维素酰化物溶液浇铸到环形金属载体上; 将溶液在0℃至-50℃下冷却以实现凝胶化，从而形成膜; 将薄膜从无尽的金属支架上剥下; 并干燥薄膜。

2. 发明申请

US20080297703A1 Optical Cellulose Acylate Film, Polarizing Plate And Liquid Crystal Display 审中-公开
标题翻译：光学纤维素丙烯酸酯膜，偏光板和液晶显示器
公开(公告)号：US20080297703A1
公开(公告)日：2008-12-04
申请号：US11631362
申请日：2005-07-01
申请人： Hiroyuki Kawanishi , Sumio Ohtani , Yosuke Nishiura , Takako Nishiura
发明人： Hiroyuki Kawanishi , Sumio Ohtani , Yosuke Nishiura , Takako Nishiura
IPC分类号： G02F1/1335 , C08F251/02 , B32B23/04 , C09K19/02
CPC分类号： C08J5/18 , B29C41/28 , B29K2001/00 , B29K2001/12 , B29K2995/0034 , C08J2301/14 , G02B5/3083 , G02F1/13363 , Y10T428/1041 , Y10T428/31971
摘要： A cellulose acylate film is provided and includes a cellulose acylate as a polymer component. The cellulose acylate is a fatty acid ester of cellulose, obtained by substituting a hydroxyl group of cellulose with an acetyl group or an acyl group with 3 or more carbon atoms. The cellulose acylate film is a film stretched substantially by 10% or more in a casting direction or in a transversal direction to the casting direction, the film having a linear thermal expansion rate D(MD) in a casting direction (machine direction) and a linear thermal expansion rate D(TD) in a transversal direction to casting direction (i.e., perpendicular direction to casting direction) in a specified relationship. A polarizing plate utilizing such film and a liquid crystal display equipped with such polarizing plate are provided.
摘要翻译：提供纤维素酰化物膜并且包括作为聚合物组分的纤维素酰化物。纤维素酰化物是纤维素的脂肪酸酯，其通过用具有3个或更多个碳原子的乙酰基或酰基取代纤维素的羟基而获得。纤维素酰化物膜是在流延方向或沿着流延方向的横向上基本上拉伸10％以上的膜，该膜在铸造方向（机器方向）上具有线性热膨胀率D（MD）和线性热膨胀率D（TD）在与浇铸方向（即垂直于铸造方向的方向）的横向方向上。提供了利用这种膜的偏光板和配有这种偏光板的液晶显示器。

3. 发明申请

US20070172605A1 Cellulose acylate film, polarizing plate and liquid crystal display 审中-公开
标题翻译：纤维素酰化膜，偏光板和液晶显示
公开(公告)号：US20070172605A1
公开(公告)日：2007-07-26
申请号：US10590655
申请日：2005-02-24
申请人： Sumio Ohtani , Hiroyuki Kawanishi , Yosuke Nishiura , Takako Nishiura
发明人： Sumio Ohtani , Hiroyuki Kawanishi , Yosuke Nishiura , Takako Nishiura
IPC分类号： C09K19/00
CPC分类号： C08J5/18 , C08J2301/12 , C08K5/3492 , G02B5/305 , G02F1/133528 , G02F1/13363 , Y10T428/1041
摘要： To provide a cellulose acylate film which exhibits excellent retardation values both in the film plane and along the direction perpendicular to the film plane, and undergoes less change in the retardation values by environmental humidity, and a polarizing plate using this film, a polarizing plate using the film, and a liquid crystal display undergoing less change in viewing angle characteristics, the cellulose acylate film satisfies formulae (I), (II), (V) and (VI), wherein Re(630) and Rth(630) is defined in the specification: 2.00≦DS2+DS3+DS6≦3.00 (I) DS6/(DS2+DS3+DS6)≧0.315 (II) 46≦Re(630)≦200 (V) 70≦Rth(630)≦350 (VI)
摘要翻译：为了提供纤维素酰化物膜，其在膜平面和垂直于膜平面的方向上都具有优异的延迟值，并且由环境湿度引起的延迟值变化较小，并且使用该膜的偏振片，使用该薄膜和视角特性变化较小的液晶显示器，纤维素酰化物膜满足式（I），（II），（V）和（VI），其中定义了Re（630）和Rth（630）在规范中：<？in-line-formula description =“In-line Formulas”end =“lead”？> 2.00 <= DS2 + DS3 + DS6 <= 3.00（I）<？in-line-formula description =“ DS6 /（DS2 + DS3 + DS6）> = 0.315（II）<线内公式“end =”tail“？> <？in-line-formula description =”In-line Formulas“end =”lead“ ？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> 46 <= Re（630） <= 200（V）<？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-for mulae description =“In-line Formulas”end =“lead”？> 70 <= Rth（630）<= 350（VI）<？in-line-formula description =“In-line Formulas”end =“tail”？ >

4. 发明申请

US20080138541A1 Optical Film, Method for Producing Optical Film, Optically-Compensatory Film, Polarizing Plate and Liquid-Crystal Display Device 有权
标题翻译：光学膜，制造光学膜的方法，光学补偿膜，偏光板和液晶显示装置
公开(公告)号：US20080138541A1
公开(公告)日：2008-06-12
申请号：US11795145
申请日：2006-01-31
申请人： Takahiro Moto , Takako Nishiura , Yosuke Nishiura
发明人： Takahiro Moto , Takako Nishiura , Yosuke Nishiura
IPC分类号： C08K5/20 , B29C47/06 , B29C39/00 , C09K19/00 , B32B27/00
CPC分类号： G02B5/3033 , Y10T428/10
摘要： An optical film comprising: a resin material; and an additive in an amount of at least 0.3% by mass based on the resin material, wherein when the optical film is divided into 10 equal portions in a thickness direction of the optical film, an amount of the additive existing in each of 8 portions excepting the two outermost layer portions of the 10 equal portions is from 80 to 120% based on a mean additive amount in an entire optical film; a method for producing it; an optically-compensatory film, a polarizing plate and a liquid-crystal display device that comprise the optical film.
摘要翻译：一种光学膜，包括：树脂材料; 和相对于树脂材料为至少0.3质量％的添加剂，其中当光学膜在光学膜的厚度方向上被分成10等份时，存在于8个部分中的添加剂的量除了整个光学膜中的10个相等部分的两个最外层部分的平均添加量为80〜120％一种生产它的方法; 光学补偿膜，偏振片和包括该光学膜的液晶显示装置。

5. 发明申请

US20080062355A1 Polarizing Plate and Liquid Crystal Display 审中-公开
标题翻译：偏光板和液晶显示屏
公开(公告)号：US20080062355A1
公开(公告)日：2008-03-13
申请号：US10584462
申请日：2004-12-21
申请人： Hiroaki Sata , Yosuke Nishiura , Takako Nishiura , Tadashi Ito
发明人： Hiroaki Sata , Yosuke Nishiura , Takako Nishiura , Tadashi Ito
IPC分类号： G02F1/1335 , C09K19/00 , G02B5/30
CPC分类号： G02B5/3083 , G02F1/13363 , Y10T428/1041
摘要： To provide a polarizing plate which has superior characteristics of expressing in-plane and thicknesswise retardation and which is less susceptible to time-varying changes in retardation value attributable to ambient humidity, as well as to provide a liquid crystal display which undergoes little tune-varying change in view angle characteristic, the polarizing plate which contains a transparent protective film having the retardation specified in the specification is housed in a moisture-proofed container under the humidity condition specified in the specification, and the liquid crystal display contains the polarizing plate.
摘要翻译：为了提供具有表现面内和厚度延迟的优异特性的偏振片，并且其不易受到由于环境湿度引起的延迟值的时变变化的影响，并且提供几乎不发生调谐变化的液晶显示器视角特性的变化，含有本说明书中规定的相位延迟的透明保护膜的偏光板在规格说明书中规定的湿度条件下收纳在防潮容器中，液晶显示器包含偏光板。

6. 发明申请

US20070059458A1 Cellulose acylate film, optically compensatory film, polarizing plate and liquid crystal display 审中-公开
标题翻译：纤维素酰化膜，光学补偿膜，偏光板和液晶显示器
公开(公告)号：US20070059458A1
公开(公告)日：2007-03-15
申请号：US11517242
申请日：2006-09-08
申请人： Yosuke Nishiura , Takako Nishiura
发明人： Yosuke Nishiura , Takako Nishiura
IPC分类号： C09K19/00
CPC分类号： C08J5/18 , C08J2301/10 , C09K2019/0429 , G02F1/13363 , G02F2001/133635 , G02F2202/40 , Y10T428/1041
摘要： A cellulose acylate film is provided and satisfies the following relationships (I) and (II). The cellulose acylate film has a residual sulfuric acid content of 0 ppm to 100 ppm and contains a release accelerator in an amount of 10 ppm to 2,000 ppm. 0≦Re(630)≦10 and |Rth(630)|≦25 (I) |Re(400)−Re(700)|≦10 and |Rth(400)−Rth(700)|≦35 (II) Re(λ) is an in-plane retardation value at a wavelength of λ nm, and Rth(λ) is a thickness-direction retardation value at a wavelength of λ nm.
摘要翻译：提供纤维素酰化物膜并满足以下关系（I）和（II）。纤维素酰化物膜的残留硫酸含量为0ppm〜100ppm，含有10ppm〜2000ppm的脱模促进剂。 <？in-line-formula description =“In-line Formulas”end =“lead”？> 0 <= Re（630）<= 10 AND | Rth（630）| <= 25（I） -formulae description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line Formulas”end =“lead”？> | Re（400）-Re（700）| <= 10 AND | Rth（400）-Rth（700）| <= 35（II）<？in-line-formula description =“In-line Formulas”end =“tail”？> Re（lambda）波长为λnm的平面延迟值，Rth（λ）是波长λnm处的厚度方向延迟值。

7. 发明申请

US20100143613A1 Cellulose Acylate Film, Polarizing Plate and Liquid Crystal Display 有权
标题翻译：丙烯酸纤维素膜，偏光板和液晶显示器
公开(公告)号：US20100143613A1
公开(公告)日：2010-06-10
申请号：US11886907
申请日：2006-03-22
申请人： Shigeaki Nimura , Yosuke Nishiura , Takako Nishiura
发明人： Shigeaki Nimura , Yosuke Nishiura , Takako Nishiura
IPC分类号： C09K19/52 , C08B1/00 , B32B9/00 , B29C55/02
CPC分类号： C08J5/18 , B29D7/01 , B29K2001/00 , B29K2001/12 , B29K2995/0034 , C08J2301/10 , G02B5/3083 , G02F1/133528 , G02F1/134363 , Y10T428/1041
摘要： A cellulose acylate film satisfying the following formulae: 50 nm
摘要翻译：满足下式的纤维素酰化物膜：50nm

8. 发明申请

US20080309860A1 Optical Film, Optical Compensation Film, Polarizing Plate, Liquid Crystal Display Unit and Self Luminous Display Unit 有权
标题翻译：光学膜，光学补偿膜，偏光板，液晶显示单元和自发光显示单元
公开(公告)号：US20080309860A1
公开(公告)日：2008-12-18
申请号：US11596878
申请日：2005-05-18
申请人： Shigeaki Nimura , Hajime Nakayama , Yosuke Nishiura , Takako Nishiura , Tadashi Ito , Yasuo Mukunoki
发明人： Shigeaki Nimura , Hajime Nakayama , Yosuke Nishiura , Takako Nishiura , Tadashi Ito , Yasuo Mukunoki
IPC分类号： G02F1/13363 , G02B5/30 , G02B1/08
CPC分类号： G02B5/3083
摘要： An optical film which has Re(λ) and Rth(λ) fulfilling the following two formulae: 0≦Re(590)≦10 |Rth(590)|≦25 wherein Re(λ) is a retardation value in plane (nm) at a wavelength of λnm; and Rth(λ) is a retardation value in film thickness direction (nm) at a wavelength of λmm.
摘要翻译：具有满足以下两个公式的Re（λ）和Rth（λ）的光学膜：<？in-line-formula description =“In-line Formulas”end =“lead”？> 0 <= Re（590） = 10 <？in-line-formula description =“In-line Formulas”end =“tail”？> <？in-line-formula description =“In-line formula”end =“lead”？> | Rth ）| <= 25 <？in-line-formula description =“In-line Formulas”end =“tail”？>其中Re（λ）是波兰lambdanm的平面（nm）的延迟值; 并且Rth（λ）是在兰姆达姆波长下的膜厚度方向（nm）的延迟值。

9. 发明申请

US20080254236A1 Optical Cellulose Acylate Film, Polarizing Plate and Liquid Crystal Display Device 有权
标题翻译：光学纤维素丙烯酸酯膜，偏光板和液晶显示装置
公开(公告)号：US20080254236A1
公开(公告)日：2008-10-16
申请号：US11596562
申请日：2005-05-13
申请人： Hiroyuki Kawanishi , Yosuke Nishiura , Takako Nishiura
发明人： Hiroyuki Kawanishi , Yosuke Nishiura , Takako Nishiura
IPC分类号： C09K19/52 , B32B5/00 , G02B5/22 , B32B27/00
CPC分类号： G02B5/305 , C08J5/18 , C08J2301/14 , C08K7/00 , G02F1/133528 , Y10T428/10 , Y10T428/31971
摘要： An optical cellulose acylate film comprising a polymer component which is a cellulose acylate obtained by substituting hydroxyl groups of a cellulose by an acetyl group and an acyl group having 3 or more carbon atoms, wherein a substitution degree A of the acetyl group and a substitution degree B of the acyl group having 3 or more carbon atoms satisfy the following formulae (I) and (II): 2.0≦A+B≦3.0 (I), 0
摘要翻译：一种光学纤维素酰化物膜，其包含通过用乙酰基和具有3个或更多个碳原子的酰基取代纤维素的羟基而获得的纤维素酰化物的聚合物组分，其中乙酰基的取代度A和取代度具有3个以上碳原子的酰基的B满足下式（I）和（II）：2.0 <= A + B <= 3.0（I），0

10. 发明申请

US20070292635A1 Optical Compensation Polarizing Plate, Image Display Unit and Liquid Crystal Display Unit 有权
标题翻译：光学补偿偏光板，图像显示单元和液晶显示单元
公开(公告)号：US20070292635A1
公开(公告)日：2007-12-20
申请号：US11596876
申请日：2005-05-17
申请人： Yousuke Nishiura , Takako Nishiura , Hajime Nakayama , Tadashi Ito
发明人： Yousuke Nishiura , Takako Nishiura , Hajime Nakayama , Tadashi Ito
IPC分类号： G02B5/30
CPC分类号： G02B5/3083 , G02F1/13363 , G02F1/134363 , Y10T428/1036 , Y10T428/1041 , Y10T428/105
摘要： All optical compensation polarizing plate comprising: a first transparent protective film; a polarizer; a second transparent protective film; and an optical compensation layer in this order, wherein at least one of the first and second transparent protective films is a cellulose acylate film having a retardation value in plane Re (nm) and a retardation value in film thickness direction Rth (nm) which fulfill the following formulae (I) and (II), and Nz and Re1 defined by the following formulae (III) and (IV), of the optical compensation layer fulfill the following formulae (V) and (VI): (I) |Re|≦10, (II) |Rth|≦25, (III) Nz=(nx1−nz1)/(nx1−ny1), (IV) Re1=(nx1−ny1)×d1, (V) 0.4≦Nz≦0.6 (VI) 100≦Re1≦350, wherein Re1 is a retardation value in plane (nm) at a wavelength of 590 nm; Nz is an Nz factor at a wavelength of 590 nm; nx1 is a refractive index along a slow axis in a film plane; ny1 is a refractive index along a direction perpendicular to the slow axis in a film plane; nz1 is a refractive index along a thickness direction of the film; and d1 is a thickness of the film (nm).
摘要翻译：所有光学补偿偏振片包括：第一透明保护膜; 偏振片第二透明保护膜; 和光学补偿层，其中，第一透明保护膜和第二透明保护膜中的至少一个是纤维素酰化物膜，其具有平面Re（nm）的延迟值和满足下述条件的膜厚度方向Rth（nm）的延迟值光学补偿层的下述式（I）和（II）以及下述通式（III）和（IV）所定义的Nz和Re 1（1）满足下式（V）和（（I）| Re | <= 10，（II）| Rth | <= 25，（III）NZ =（NX 1-N z 1）（Ⅳ）Re>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> （V）0.4 <= Nz <= 0.6（VI）100 <= RE 1 <= 350，其中RE 1 <λ>是波长590nm处的平面（nm）的延迟值; Nz是波长为590nm的Nz因子; nx <1>是沿着薄膜平面中的慢轴的折射率; 在薄膜平面中，沿着垂直于慢轴的方向是折射率; nz 1是沿着膜的厚度方向的折射率; 且d 1 <1>是膜的厚度（nm）。

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