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1. 发明专利

JP2013137391A Optical sheet 审中-公开
标题翻译：光学片
公开(公告)号：JP2013137391A
公开(公告)日：2013-07-11
申请号：JP2011287847
申请日：2011-12-28
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： OKU HISANORI , OTA HIROSHI , SUMIYA HIDENORI , KAWAKAMI TAKESHI
IPC分类号： G02B5/02 , F21S2/00 , F21V5/02 , F21Y101/02 , G02F1/13357
摘要： PROBLEM TO BE SOLVED: To provide an optical sheet, which has a concavo-convex pattern formed on a side face part where light is incident and which can be inexpensively produced, and to provide a surface light source device and a transmissive image display device having the optical sheet, and a production method of the optical sheet.SOLUTION: A light guide plate 30 comprises: a main sheet 31; and a projection stripe sheet 50. The main sheet 31 has a side face where light from an LED light source enters and an exit face where the light exits, formed in a direction intersecting the side face. The projection stripe sheet 50 includes projection stripes 51 formed on one surface 50a, the projection stripes extending in a thickness direction of the light guide plate 30 and arranged in parallel to one another in a direction orthogonal to the extending direction. In the projection stripe 51, a ratio of the width Wto the height His from 0.289 to 0.596. The projection stripe sheet 50 is disposed on a side face of the main sheet 31 with an adhesive 40, allowing the one surface 50a to oppose to the LED light source. The light from the LED light source enters the side face of the main sheet 31 via the projection stripe sheet 50.
摘要翻译：要解决的问题：提供一种光学片，其具有形成在光入射的侧面部分上并且可以廉价地制造的凹凸图案，并且提供一种表面光源装置和透射图像显示装置，其具有光学片和光学片的制造方法。导光板30包括：主片31; 和突起条片50.主片31具有在与LED侧光源相交的方向上形成的来自LED光源的光进入的侧面和光出射的出射面。突起条片50包括形成在一个表面50a上的突起条51，突条在导光板30的厚度方向上延伸并且在与延伸方向正交的方向上彼此平行地布置。在投影条51中，宽度W至高度His的比值为0.289至0.596。突起条片50用粘合剂40设置在主片31的侧面，允许一个表面50a与LED光源相对。来自LED光源的光经由突条片50进入主片31的侧面。

2. 发明专利

JP2012150292A Method for determining uneven shape of optical member 有权
标题翻译：用于确定光学元件的形状的方法
公开(公告)号：JP2012150292A
公开(公告)日：2012-08-09
申请号：JP2011009187
申请日：2011-01-19
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： OTA HIROSHI , KAWAKAMI TAKESHI , OKU HISANORI , SUMIYA HIDENORI
IPC分类号： G02B5/02 , B29C59/04 , B29L11/00
CPC分类号： B29D11/00288 , G01M11/025 , G01M11/0264
摘要： PROBLEM TO BE SOLVED: To provide a method for more easily determining an uneven shape of an optical member.SOLUTION: A method for determining an uneven shape of an optical member comprises steps of: forming a plurality of trial products 30 of the optical member that have uneven shapes different from each other by transferring a shape of a trial transfer mold 53 in different transfer rates(h3/h1); evaluating optical characteristics of the plurality of trial products 30 of the optical member respectively; and determining an uneven shape of the optical member based on the optical characteristics.
摘要翻译：要解决的问题：提供一种更容易地确定光学构件的不均匀形状的方法。解决方案：一种用于确定光学构件的不均匀形状的方法，包括以下步骤：通过将试验转移模具53的形状转移到形成具有不同形状的光学构件的多个试制品30 不同的转移率（h3 / h1）; 分别评估光学构件的多个试制品30的光学特性; 以及基于所述光学特性确定所述光学构件的不均匀形状。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2007187717A Large polarizing plate and liquid crystal display device using the same 审中-公开
标题翻译：使用其的大型偏振板和液晶显示装置
公开(公告)号：JP2007187717A
公开(公告)日：2007-07-26
申请号：JP2006003463
申请日：2006-01-11
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： YAKABE KIMIHIKO , SUMIYA HIDENORI
IPC分类号： G02B5/30 , G02B5/02 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a large polarizing plate that is a joined polarizing plate produced by joining at least two polarizing plates at the respective end faces, in which the joined part is hardly visible on a screen, and to apply the large polarizing plate to a liquid crystal display device. SOLUTION: The large polarizing plate 30 comprises: a joined polarizing plate 31 produced by joining a plurality of polarizing plates at the respective end faces; and a light diffusing layer 35 disposed in one side of the joined polarizing plate 31, wherein the distance (d) from the surface of the joined polarizing plate 31 nearer to the light diffusing layer to the surface of the light diffusing layer 35 not opposing to the joined polarizing plate 31 is specified to 1 mm or more. For example, an optically isotropic transparent layer 39 is disposed between the joined polarizing plate 31 and the light diffusing layer 35 to keep the distance (d). Otherwise, the thickness of the light diffusing layer 35 may be increased. The polarizing plate 30 is disposed on one surface of a liquid crystal cell 10 and another polarizing plate 21 is disposed on the other surface of the liquid crystal cell 10 to constitute a liquid crystal display device. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种大型偏振片，其是通过在各个端面处接合至少两个偏振片而制造的接合偏光板，其中接合部分在屏幕上几乎看不到，并且将大型偏振片到液晶显示装置。解决方案：大偏振板30包括：通过在相应的端面处接合多个偏振片而制成的接合的偏光板31; 以及配置在接合的偏光板31的一侧的光漫射层35，其中，从接合的偏光板31的表面到光漫射层的表面的光扩散层35的表面的距离（d）不与接合的偏光板31被规定为1mm以上。例如，光学各向同性透明层39设置在接合的偏光板31和光漫射层35之间以保持距离（d）。否则，可以增加光漫射层35的厚度。偏光板30设置在液晶单元10的一个表面上，另一个偏光板21设置在液晶单元10的另一个表面上，构成液晶显示装置。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2005221532A Liquid crystal display device 有权
标题翻译：液晶显示装置
公开(公告)号：JP2005221532A
公开(公告)日：2005-08-18
申请号：JP2004026444
申请日：2004-02-03
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： SUMIYA HIDENORI
IPC分类号： G02B5/30 , G02F1/13363
摘要： PROBLEM TO BE SOLVED: To provide a liquid crystal display device which has an excellent viewing field angle characteristic and is arranged with an easily manufacturable retardation plate. SOLUTION: A liquid crystal cell 10 has two substrates 11 and 12, and a liquid crystal 14 which is held therebetween and is oriented nearly parallel to the substrates in the state of no voltage application. A first polarizing plate 20 is arranged on the outer side of the one substrate 11 of the liquid crystal cell 10 and a second polarizing plate 30 is arranged on the outer side of the other substrate 12. The two polarizing plates 20 and 30 intersect their respective transmission axes 22 and 32 orthogonally with each other. The one retardation plate 40 is arranged between the either one substrate (12 in Figure) and the polarizing plate 30 on the substrate side. The retardation plate 40 has negative uniaxis and its optical axis exists in an inward direction. In addition, its slow axis 42 is made nearly parallel to the transmission axis 32 of the adjacent polarizing plate 30 and a major axis 19 of liquid crystal molecules existing on the adjacent substrate surface. The in-plate retardation of the retardation plate 40 is about 80 to 250 nm. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有优良视场角特性并配置有容易制造的相位差板的液晶显示装置。解决方案：液晶单元10具有两个基板11和12以及保持在其间并且在没有施加电压的状态下几乎平行于基板的液晶14。在液晶单元10的一个基板11的外侧设置第一偏振片20，在另一个基板12的外侧设置第二偏振板30.两个偏振板20,30相互相交传动轴22和32彼此正交。一个延迟板40布置在基板侧的任一个基板（图12中）和偏振板30之间。延迟板40具有负单轴，其光轴向内存在。此外，其慢轴42与邻近的偏振板30的透射轴32和存在于相邻基板表面上的液晶分子的长轴19几乎平行。延迟板40的板间延迟约为80〜250nm。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2013103450A Method for manufacturing optical member 审中-公开
标题翻译：制造光学元件的方法
公开(公告)号：JP2013103450A
公开(公告)日：2013-05-30
申请号：JP2011249948
申请日：2011-11-15
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： OTA HIROSHI , SUMIYA HIDENORI , OKU HISANORI , KAWAKAMI TAKESHI
IPC分类号： B29C59/04 , G02B3/00 , G02B3/06
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing an optical member that facilitates the determination of a concave-convex shape of an optical member.SOLUTION: The method for manufacturing an optical member includes: a step for forming a plurality of optical member prototypes 30 with different concave-convex shapes by transferring the shape of a transfer model 53 at different transfer ratios (h3/h1); a step for evaluating the optical property of each of the plurality of optical member prototypes 30; a step for determining the concave-convex shape of an optical member based on the optical property; and a step for molding an optical member by transferring, at the transfer ratio corresponding to the determined concave-convex shape, the shape of the transfer model 53 used in the molding of the optical member prototype 30.
摘要翻译：要解决的问题：提供一种有助于确定光学构件的凹凸形状的光学构件的制造方法。光学构件的制造方法包括：通过以不同的转移比（h3 / h1）转印转印模型53的形状来形成具有不同凹凸形状的多个光学构件原型30的步骤; 用于评估多个光学构件原型30中的每一个的光学性质的步骤; 基于光学特性确定光学构件的凹凸形状的步骤; 以及通过以与所确定的凹凸形状相对应的转印率转印光学构件原型30的模制中使用的转印模型53的形状来模制光学构件的步骤。（C） 2013年，JPO＆INPIT

6. 发明专利

JP2012078819A Light control plate unit 审中-公开
标题翻译：灯控板
公开(公告)号：JP2012078819A
公开(公告)日：2012-04-19
申请号：JP2011195085
申请日：2011-09-07
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： OTA HIROSHI , SUMIYA HIDENORI
IPC分类号： G02B5/02 , F21S2/00 , F21Y101/02 , G02F1/13357
CPC分类号： G02B5/0231 , G02B5/0278
摘要： PROBLEM TO BE SOLVED: To provide a light control plate unit which allows light from a spot light source to be highly uniform, a surface light source device and a transmission type image display device.SOLUTION: The light control plate unit 21 has a first and a second light control plates 30, 30which have multiple convex portions 33(i=1, 2) extending in one direction and arranged in a direction roughly orthogonal to the extending direction on one face. In an orthogonal cross section roughly orthogonal to the extending direction of the convex portions of each light control plate, when the width of the convex portion is win a xy coordinate system where an axis passing through both the ends of the convex portions is set as X-axis, each of the cross section shape of the convex portions 33individually satisfies 0.95z(x)≤z(x)≤1.05z(x) in -0.475w≤x≤0.475w. z(x) satisfies the following formula. [Formula 1] (In the formula (1), each Cto k=1-8 is the prescribed constant number.)
摘要翻译：要解决的问题：提供一种允许来自点光源的光高度均匀的光控制板单元，表面光源装置和透射型图像显示装置。 <控制板单元21具有第一和第二控制板30 1 ，30 2 具有在一个方向上延伸并沿着与一个面上的延伸方向大致正交的方向布置的多个凸部33（i = 1,2）。在与每个光控制板的凸部的延伸方向大致正交的正交截面中，当xy坐标系中的凸部的宽度为w a 时，通过凸部的两端的轴分别设定为X轴，凸部33的横截面形状分别满足0.95z a （x）≤0（x）≤z（x）≤1.05z 0 SB>≤x≤0.475w a 。 z 0 （x）满足下列公式。 [公式1]（式（1）中，每个C 2k 到k = 1-8是规定的常数。）版权所有（C）2012， JPO＆INPIT

7. 发明专利

JP2012030584A Method of manufacturing surface shape-transferred resin sheet 审中-公开
标题翻译：制造表面形状转移树脂的方法
公开(公告)号：JP2012030584A
公开(公告)日：2012-02-16
申请号：JP2011141955
申请日：2011-06-27
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： SUMIYA HIDENORI , OKU HISANORI , NISHIMOTO YUMA
IPC分类号： B29C59/04 , B29C47/14 , B29C47/88 , B29L7/00 , B29L11/00
CPC分类号： B29C47/0019 , B29C47/8805 , B29C47/8845
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a surface shape-transferred resin sheet, capable of accurately transferring a transfer mold onto a surface of a resin sheet.SOLUTION: A resin sheet 53 is produced by extruding a resin from a die 58 in a heated and melted state; the resin sheet 53 is inserted between an upper roll 63 and an intermediate roll 64; the resin sheet 53 is carried as it is closely pressed against the intermediate roll 64, and the carried resin sheet 53 is inserted between the intermediate roll 64 and a lower roll 65. In this step, an engraved plate transfer mold 69 is attached to the lower roll 65, and a gap B between the intermediate roll 64 and the lower roll 65 is set to be smaller than a gap A between the upper roll 63 and the intermediate roll 64. When the resin sheet is inserted between the intermediate roll 64 and the lower roll 65, the transfer of the engraved plate transfer mold 69 to the resin sheet 53 is performed.
摘要翻译：要解决的问题：提供一种能够将转印模精确地转印到树脂片的表面上的表面形状转印树脂片的制造方法。解决方案：树脂片53通过在加热和熔融状态下从模具58中挤出树脂制成; 树脂片53插入在上辊63和中间辊64之间; 树脂片53被紧紧地压靠在中间辊64上，承载的树脂片53插入在中间辊64和下辊65之间。在该步骤中，将雕刻板转移模69附接到下辊65和中间辊64与下辊65之间的间隙B被设定为小于上辊63和中间辊64之间的间隙A.当将树脂片插入中间辊64和下辊65，将雕版转印模69转印到树脂片53上。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2007298960A Liquid crystal display device and polarizing plate set for use in the same 审中-公开
标题翻译：液晶显示装置和偏光板组合使用
公开(公告)号：JP2007298960A
公开(公告)日：2007-11-15
申请号：JP2007072131
申请日：2007-03-20
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： SUMIYA HIDENORI , KIN HOSHUN
IPC分类号： G02F1/13363 , G02B5/30 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide an in-plane switching (IPS) mode liquid crystal display device which has reduced void of black luminance in the oblique view and little color shift depending on a viewing angle and a polarizing plate set necessary for the same. SOLUTION: A liquid crystal cell 30 has 2 cell substrates 31, 32 and a liquid crystal layer 33 sealed between them and aligned in parallel to the substrates. A pair of the polarizing plates 10, 20 are arranged across the liquid crystal cell 30 so that the absorption axes 15, 25 of the polarizing plates intersect to each other at a right angle. A substrate side transparent protective layer 12 of the first polarizing plate 10 is a film having an in-plane optical retardation R 0 (1) of ≤10 nm and an optical retardation R th (1) of ≤20 nm in thickness direction and a substrate side transparent protective layer 22 of the second polarizing plate 20 is a film having in-plane optical retardation R 0 (2) of 200-300 nm and an Nz factor [=(n x -n z )/(n x -n y )] of 0.4-0.6. The slow axis 26 of the substrate side transparent protective layer and the absorption axis 25 of a polarizer in the second polarizing plate 20 are parallel or orthogonal to each other. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种面内切换（IPS）模式的液晶显示装置，其在倾斜视图中减少了黑色亮度的空隙，并且根据视角小的颜色偏移和对于一样。解决方案：液晶单元30具有2个单元基板31,32和密封在它们之间并平行于基板排列的液晶层33。一对偏振片10,20跨越液晶单元30布置，使得偏振板的吸收轴15,25以直角彼此相交。第一偏振板10的基板侧透明保护层12是具有≤10nm的面内光学延迟R <0>（1）的膜和光学延迟R 厚度方向≤20nm的SB>（1）和第二偏振板20的基板侧透明保护层22是具有200nm的面内光学延迟R（SB）（2）的膜， 300nm和Nz因子[=（n x -n z ）/（n x ）]为0.4-0.6。基板侧透明保护层的慢轴26和第二偏光板20中的偏振片的吸收轴25彼此平行或正交。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2013176982A Method of manufacturing shape transfer resin sheet and resin sheet 有权
标题翻译：制造形状转印树脂片和树脂片的方法
公开(公告)号：JP2013176982A
公开(公告)日：2013-09-09
申请号：JP2013013465
申请日：2013-01-28
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HAMAMATSU TOYOHIRO , SUMIYA HIDENORI
IPC分类号： B29C59/02 , B29L7/00 , F21S2/00 , G02B3/00 , G02B5/02
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a shape transfer resin sheet that can improve a transfer rate.SOLUTION: There is provided a method of manufacturing a resin sheet that includes a sheet production step of manufacturing a continuous resin sheet and a transfer step of transferring a transfer pattern using a shape roll in which, in the sheet production step, a resin sheet with a multi-layer structure having a shape transfer layer (A) forming a sheet surface and a main layer (B) adjacent to the inner side of the shape transfer layer (A) is manufactured. A ratio of the weight-average molecular weight of the main layer (B) to the weight-average molecular weight of the shape transfer layer (A) is 1.2 or larger.
摘要翻译：要解决的问题：提供一种可以提高转印速度的形状转印树脂片的制造方法。提供一种制造树脂片的方法，该树脂片包括制造连续树脂片的片材生产步骤和转印使用成形辊转印转印图案的步骤，其中在片材制造步骤中，具有形成有片状表面的形状转印层（A）的多层结构的树脂片和与该表面相邻的主层（B）制造形状转印层（A）的内侧。主层（B）的重均分子量与形状转印层（A）的重均分子量的比例为1.2以上。

10. 发明专利

JP2013063638A Optical sheet manufacturing method 有权
标题翻译：光学制造方法
公开(公告)号：JP2013063638A
公开(公告)日：2013-04-11
申请号：JP2012155737
申请日：2012-07-11
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： SUMIYA HIDENORI , SAKATA NORIMITSU , NISHIMOTO YUMA
IPC分类号： B29C47/88 , B29L7/00 , B29L11/00 , B32B7/02 , B32B27/30 , G02B5/08 , G02F1/13357
CPC分类号： B29C47/004 , B29C47/0019 , B29C47/0021 , B29C47/0061 , B29C47/0898 , B29C47/34 , B29C47/8845 , B29C47/886 , B29C2793/0027 , B29C2793/009 , B29K2995/0018 , B29L2011/00 , B29L2031/3475
摘要： PROBLEM TO BE SOLVED: To provide an optical sheet manufacturing method capable of suppressing pear skin defects generated in a surface, an optical sheet, and surface light source device and transmission-type image display device that are provided therewith.SOLUTION: An optical sheet manufacturing method is provided with an extrusion step wherein an amorphous thermoplastic resin in a heated and molten state is continuously extruded from a die to thereby manufacture a resin sheet, and a pressing step wherein the resin sheet is pressed while being sandwiched between two pressing rolls to thereby form an optical sheet. The peripheral surface of at least one of the pressing rolls between which the resin sheet is sandwiched in the pressing step is subjected to mirror surface finishing. The weight-average molecular weight of the amorphous thermoplastic resin constituting a layer that is in contact with the pressing roll subjected to the mirror surface finishing in the pressing step is 300,000 or less or MFR thereof is 2.0 g/10 min or more.
摘要翻译：解决的问题：提供能够抑制表面产生的梨皮缺陷的光学片材的制造方法，光学片，以及与其配备的表面光源装置和透射型图像显示装置。解决方案：光学片的制造方法具有挤出步骤，其中从模具连续地挤出处于加热和熔融状态的非晶态热塑性树脂，从而制造树脂片，以及压制步骤，其中树脂片被压制同时夹在两个压辊之间，从而形成光学片。在压制工序中夹着树脂片的至少一个加压辊的周面进行镜面整理。构成与在加压工序中进行镜面整理的加压辊接触的层的非晶态热塑性树脂的重均分子量为300,000以下，或MFR为2.0g / 10分钟以上。版权所有（C）2013，JPO＆INPIT

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