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1. 发明专利

JP2004142426A Water-soluble waterproofing film 有权
公开(公告)号：JP2004142426A
公开(公告)日：2004-05-20
申请号：JP2003208609
申请日：2003-08-25
申请人： Dainichiseika Color & Chem Mfg Co Ltd , Keiwa Inc , 大日精化工業株式会社 , 恵和株式会社
发明人： NAKANO HIROSHI , DAICHO MASANOBU , TSUJI TAKAHIRO
IPC分类号： A61F13/49 , A61F5/445 , A61F13/15 , A61F13/514 , A61F13/551 , B32B9/00 , B32B27/30
摘要： PROBLEM TO BE SOLVED: To provide an environmentally compatible, water-soluble waterproofing film which is excellent in water resistance when used and excellent in solubility or disintegrating nature in water when discarded.
SOLUTION: The water-soluble waterproofing film 1 is characterized in that it comprises a water-soluble polyvinyl alcohol type film 2 and a biodegradable waterproofing layer 3 which is laminated on at least one surface of this polyvinyl alcohol type film 2, that the biodegradable waterproofing layer 3 is formed from a resin composition containing a base polymer and a hardener, and that a shellac resin derivative is used as the base polymer. It is preferable that the above resin composition contains a hardener, a natural wax, a cellulose derivative, a filler, a plasticizer, or a water repellant.
COPYRIGHT: (C)2004,JPO

2. 发明专利

JP2003073864A Rust inhibiting sheet 有权
标题翻译： RUST禁止表
公开(公告)号：JP2003073864A
公开(公告)日：2003-03-12
申请号：JP2001260941
申请日：2001-08-30
申请人： Keiwa Inc , 恵和株式会社
发明人： TSUJI TAKAHIRO
IPC分类号： B65D81/24 , B32B27/00 , B32B27/12 , B32B27/18 , B65D65/42 , B65D85/00 , C23F11/00
摘要： PROBLEM TO BE SOLVED: To provide a rust inhibiting sheet which can adjust an effective surface area contacting with the surface of an article to be wrapped, and has a high rust-inhibiting effect.
SOLUTION: This rust inhibiting sheet has one or more synthetic resin layers 9 laminated on one surface of a flat yarn cloth 3 incorporating a volatile rust inhibitor, and has several arbitrary unevennesses on the other surface of the flat yarn cloth, which enables the effective surface area contacting with the surface of the article to be adjusted.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种能够调节与被包装物的表面接触的有效表面积，并且具有高的防锈效果的防锈片。解决方案：该防锈片具有一层或多层合成树脂层9，该合成树脂层9层压在包含挥发性防锈剂的扁丝布3的一个表面上，并且在平纱布的另一个表面上具有若干任意的不平坦度，区域与被调节物品的表面接触。

3. 发明专利

JP2009003183A Optical sheet, manufacturing method of optical sheet and back light unit 有权
标题翻译：光学片，光学片和背光单元的制造方法
公开(公告)号：JP2009003183A
公开(公告)日：2009-01-08
申请号：JP2007164122
申请日：2007-06-21
申请人： Keiwa Inc , 恵和株式会社
发明人： TSUCHIYA YOHEI , TSUJI TAKAHIRO
IPC分类号： G02B5/02 , G02F1/1335 , G02F1/13357
摘要： PROBLEM TO BE SOLVED: To provide an optical sheet which can constitute a backlight having a sufficient viewing angle and sufficient luminance as a backlight used for an on-vehicle liquid crystal display device. SOLUTION: The optical sheet 2 has the first surface 21, which has a shape where a lot of convex stripes 23 with a convex arc-shaped transverse cross section and a lot of concave stripes 24 with a concave arc-shaped transverse cross section are alternately arranged about in parallel with each other, and the second surface 22 which is a non-smooth surface. In the convex stripe 23, a radius of curvature of the convex arc-shaped transverse cross section is 10 μm to 30 μm. In the concave stripe 24, the radius of curvature of the concave arc-shaped transverse cross section is 10 μm to 30 μm. The non-smooth surface has surface roughness where an arithmetic mean roughness (Ra) is 0.5 μm to 2 μm and a maximum height roughness (Rz) is 5 μm to 30 μm. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够构成具有足够的视角和足够亮度的背光的光学片作为用于车载液晶显示装置的背光。解决方案：光学片2具有第一表面21，其具有许多具有凸弧形横截面的凸条23和具有凹弧形横向横截面的大量凹条24的形状交替地彼此平行地布置，第二表面22是非平滑表面。在凸条23中，凸弧形横截面的曲率半径为10μm〜30μm。在凹条24中，凹弧形横截面的曲率半径为10μm〜30μm。非光滑表面具有算术平均粗糙度（Ra）为0.5μm〜2μm，最大高度粗糙度（Rz）为5μm〜30μm的表面粗糙度。版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2003276122A Waterproof sheet and disposable bag using the same 有权
标题翻译：防水布和使用相同的袋子
公开(公告)号：JP2003276122A
公开(公告)日：2003-09-30
申请号：JP2002082856
申请日：2002-03-25
申请人： Keiwa Inc , 恵和株式会社
发明人： TSUJI TAKAHIRO
IPC分类号： B65D19/10 , B32B27/22 , B65D19/38 , B65D19/44 , B65D30/02 , C08G18/62 , C08K5/103 , C08L101/00 , C08L101/16
CPC分类号： Y02W90/12 , Y02W90/13
摘要： PROBLEM TO BE SOLVED: To provide a waterproof sheet which has a water resistance at the time of use, excellent solubility, disaggregativeness or dispersibility and biodegradability at a discarding time and an environmental-friendly property which resultantly enables the sheet to be directly flowed, for example, to a flush toilet or the like and to provide a disposable bag using the same. SOLUTION: The waterproof sheet 1 comprises a resin film 2 having water solubility or water disaggregativeness, and a water resistant resin layer 3 laminated on a surface of the film 2. In this sheet 1, the layer 3 is formed of a resin composition containing a biodegradable resin and a polymer plasticizer. As the plasticizer, one or more types selected from the group consisting of a fatty acid plasticizer, a polyester plasticizer, an epoxy plasticizer, and a polyether plasticizer is preferably used. As a blending quantity of the polymer plasticizer with 100 pts. of the polymer in the resin composition, 2 to 50 pts. is preferred in terms of a solid content. COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：提供一种在使用时具有耐水性的防水片材，在丢弃时间具有优异的溶解性，分解性或分散性以及生物降解性和环境友好性，从而使片材能够直接例如流入冲水马桶等，并提供使用其的一次性袋。解决方案：防水片1包括具有水溶性或水分解性的树脂膜2和层压在膜2的表面上的防水树脂层3.在该片1中，层3由树脂含有生物可降解树脂和聚合物增塑剂的组合物。作为增塑剂，优选使用选自脂肪酸增塑剂，聚酯增塑剂，环氧增塑剂和聚醚增塑剂中的一种以上。作为100重量份的聚合物增塑剂的配合量。的树脂组合物中的聚合物为2〜50个。在固体含量方面是优选的。版权所有（C）2003，JPO

5. 发明专利

JP2013242550A Viewing angle limiting sheet and flat panel display 有权
标题翻译：查看角度限制片和平板显示
公开(公告)号：JP2013242550A
公开(公告)日：2013-12-05
申请号：JP2013088088
申请日：2013-04-19
申请人： Keiwa Inc , 恵和株式会社
发明人： TSUJI TAKAHIRO
IPC分类号： G02B5/02 , G02F1/1335 , G09F9/00
CPC分类号： G02B5/0242 , G02B5/02 , G02B5/0236 , G02B5/0247 , G02F1/133504 , G02F1/133524 , G09F19/14
摘要： PROBLEM TO BE SOLVED: To provide a viewing angle limiting sheet capable of suitably preventing leakage of personal information or the like viewed in an oblique direction and also suppressing decrease in frontal luminance, and a flat panel display having the viewing angle limiting sheet.SOLUTION: A viewing angle limiting sheet has an optical functional layer having a plurality of first light-transmitting parts arranged in a multiple-row pattern and second light-transmitting parts each filling a space between the first light-transmitting parts. The first light-transmitting part is chamfered at both sides in an upper end thereof. The first light-transmitting part has an optical function different from that of the second light-transmitting part. At least a top end of the first light-transmitting part preferably has an inverted U-shape cross-sectional form. The first light-transmitting parts preferably comprise a resin matrix and a light diffusing agent included in the matrix.
摘要翻译：要解决的问题：提供一种能够适当地防止倾斜方向观看的个人信息等的泄漏并且还抑制正面亮度的降低的视角限制片以及具有视角限制片的平板显示器。解决方案：视角限制片具有光学功能层，其具有以多列图案排列的多个第一透光部和分别填充第一透光部之间的空间的第二透光部。第一透光部在其上端的两侧被倒角。第一透光部具有与第二透光部不同的光学功能。至少第一透光部的顶端优选具有倒U形截面形状。第一透光部分优选包括基质中包含的树脂基质和光漫射剂。

6. 发明专利

JP2013228713A Viewing angle limiting sheet and flat panel display 有权
标题翻译：查看角度限制片和平板显示
公开(公告)号：JP2013228713A
公开(公告)日：2013-11-07
申请号：JP2013063828
申请日：2013-03-26
申请人： Keiwa Inc , 恵和株式会社
发明人： TSUJI TAKAHIRO
IPC分类号： G02B5/00 , B32B7/02 , G02B5/02 , G02F1/1335 , G09F9/00
CPC分类号： G02B5/0236 , G02B5/0242 , G02B5/0278
摘要： PROBLEM TO BE SOLVED: To provide a viewing angle limiting sheet which is capable of suitably preventing leakage of personal information or the like from an oblique direction and suppressing the reduction in front brightness, and a flat panel display including the viewing angle limiting sheet.SOLUTION: The viewing angle limiting sheet includes an optical function layer having a plurality of first light-transmissive parts arranged like many stripes and having a rectangular cross section and second light-transmissive parts arranged between the first light-transmissive parts and having a rectangular cross section, and at least one of side surfaces facing each other of the first and second light-transmissive parts is formed into a light scattering surface with fine irregularities. Preferably, the light scattering surface has an arithmetic mean roughness (Ra) of 1.5 or more to 4 μm or less, and a ratio (Rz/Ra) of a ten-point mean roughness (Rz) to the arithmetic mean roughness (Ra) of the light scattering surface is 1 or more to 20 or less.
摘要翻译：要解决的问题：提供一种视角限制片，其能够适当地防止个人信息等从倾斜方向泄漏并抑制前方亮度的降低，以及包括视角限制片的平板显示器。视角限制片包括光学功能层，其具有多个第一透光部分，其布置为多个条纹并具有矩形横截面，第二透光部分布置在第一透光部分之间并且具有矩形横截面并且第一和第二透光部分彼此相对的侧表面中的至少一个被形成具有细小凹凸的光散射表面。优选地，光散射面的算术平均粗糙度（Ra）为1.5以上且4μm以下，十点平均粗糙度（Rz）与算术平均粗糙度（Ra）的比（Rz / Ra）的光散射面为1以上20以下。

7. 发明专利

JP2013117695A Light diffusing sheet and backlight unit using the same 有权
标题翻译：光扩散片和背光单元使用相同
公开(公告)号：JP2013117695A
公开(公告)日：2013-06-13
申请号：JP2011266192
申请日：2011-12-05
申请人： Keiwa Inc , 恵和株式会社
发明人： TSUJI TAKAHIRO
IPC分类号： G02B5/02 , B32B7/02 , G02F1/13357
摘要： PROBLEM TO BE SOLVED: To provide a light diffusing sheet superior in cost performance, light transmissivity, and directional light diffusion function, and a backlight unit which promotes improvement of performance such as brightness and cost performance.SOLUTION: The light diffusing sheet includes a transparent base layer and a light diffusing layer. The light diffusing layer includes resin beads and a binder. Forming means for beads includes pulverizing means for pulverizing transparent thermoplastic resin into fine particles, classifying means for classifying particle sizes of the fine particles, and spheroidizing means for fusing the fine particles to make them spherical. The pulverizing means includes rough pulverizing means for pulverizing the thermoplastic resin into rough particles and fine pulverizing means for pulverizing the rough particles into fine particles. The spheroidizing means includes spraying means for spraying the fine particles into hot blast air, fusing means for fusing the fine particles by contact with the hot blast air to make them spherical, and cooling means for bringing the fine particles made spherical into contact with cooling air while dropping them to solidify them.
摘要翻译：要解决的问题：提供优异的成本性能，光透射率和定向光扩散功能的光漫射片，以及促进诸如亮度和成本性能等性能的提高的背光单元。光散射片包括透明基底层和光漫射层。光漫射层包括树脂珠和粘合剂。用于珠的成形装置包括用于将透明热塑性树脂粉碎成细颗粒的粉碎装置，用于分级细颗粒的粒度的分级装置和用于使细颗粒熔合使其成球形的球化装置。粉碎装置包括用于将热塑性树脂粉碎成粗糙颗粒的粗粉碎装置和用于将粗颗粒粉碎成细颗粒的细粉碎装置。球状化装置包括用于将细颗粒喷射到热风空气中的喷射装置，用于使微粒与热风吹出空气接触而使细颗粒熔合以使其成球的熔化装置，以及使球形的细颗粒与冷却空气接触的冷却装置同时放下他们来巩固他们。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2013242549A Viewing angle limiting sheet and flat panel display 有权
标题翻译：查看角度限制片和平板显示
公开(公告)号：JP2013242549A
公开(公告)日：2013-12-05
申请号：JP2013088087
申请日：2013-04-19
申请人： Keiwa Inc , 恵和株式会社
发明人： TSUJI TAKAHIRO
IPC分类号： G02B5/00 , G02B5/02 , G09F9/00
CPC分类号： G02B5/0242 , G02B5/02 , G02B5/0205 , G02B5/0236 , G02B5/0263 , G02F1/1335 , G02F1/133504 , G02F1/133524 , G09F19/12 , G09F19/14
摘要： PROBLEM TO BE SOLVED: To provide a viewing angle limiting sheet capable of suitably preventing leakage of personal information or the like viewed in an oblique direction as well as suppressing decrease in frontal luminance, and a flat panel display having the viewing angle limiting sheet.SOLUTION: A viewing angle limiting sheet 1 has an optical functional layer 2 having a plurality of first light-transmitting parts 4 arranged in a multiple-row and each having a rectangular cross section and a second light-transmitting parts 5 each arranged between the first light-transmitting parts 4. The first light-transmitting parts 4 contain a light-diffusing agent 6 and a resin matrix 7. The proportion of the surface area possessed by the first light-transmitting parts 4 in the optical functional layer 2 is 5% or more and 40% or less. A ratio (T/W) of the thickness (T) to the width (W) of the first light transmitting parts 4 is 4 or more and 40 or less. An arrangement spacing of the first light-transmitting parts 4 is preferably 6 μm or more and 400 μm or less.
摘要翻译：要解决的问题：提供一种能够适当地防止倾斜方向观看的个人信息等的泄漏以及抑制正面亮度的降低的视角限制片，以及具有视角限制片的平板显示器。视角限制片1具有光功能层2，该光功能层2具有排列成多排且各自具有矩形截面的多个第一透光部4和第二透光部5，每个配置在第一光发光部分4.第一透光部分4包含光扩散剂6和树脂基体7.第一透光部分4在光学功能层2中具有的表面积的比例为5％或多40％以下。第一透光部件4的厚度（T）与宽度（W）的比（T / W）为4以上且40以下。第一透光部4的配置间隔优选为6μm以上且400μm以下。

9. 发明专利

JP2013144745A Method for producing bead for light diffusion sheet 有权
标题翻译：用于生产光扩散片的方法
公开(公告)号：JP2013144745A
公开(公告)日：2013-07-25
申请号：JP2012005456
申请日：2012-01-13
申请人： Keiwa Inc , 恵和株式会社
发明人： TSUJI TAKAHIRO
IPC分类号： C08J3/12 , G02B5/02
摘要： PROBLEM TO BE SOLVED: To provide a method for producing beads for a light diffusion sheet, which is producible of beads having favorable low cost, transparency, light transmittance, sphericity or the like, and contributing to improvement to light diffusivity, directional light diffusion function, focusing properties or the like.SOLUTION: This production method of beads for a light diffusion sheet includes a spheroidizing process of melting fine particles of transparent thermoplastic resin to spheroidize the particles. As the spheroidizing process, it is preferable to include a jetting step of jetting the fine particles into blasts of hot air jetted from a hot-air jetting nozzle, a melting step of melting the fine particles in the hot air to spheroidize the particles and a cooling step of bringing the spheroidized fine particles into contact with cooling air during falling of the particles to solidify the particles. Also, it is preferable to include a crushing process of crushing the thermoplastic resin into fine particles. As the crushing process, it is preferable to include a coarse crushing step of crushing the thermoplastic resin into coarse particles, and a fine crushing step of crushing the coarse particles into fine particles.
摘要翻译：要解决的问题：提供一种用于制造光扩散片的珠粒的方法，其可以制造具有良好的低成本，透明度，透光率，球形度等的珠粒，并且有助于光扩散性的改善，定向光扩散功能聚焦性等。解决方案：这种用于光扩散片的珠的制造方法包括将透明热塑性树脂的细颗粒熔化以使颗粒球化的球化过程。作为球化方法，优选包括将细颗粒喷射到从热空气喷射喷嘴喷射的热空气的喷射的喷射步骤，将热空气中的细颗粒熔化以使颗粒球化的熔融步骤和冷却步骤，使颗粒状微细颗粒与颗粒之间的冷却空气接触，从而固化颗粒。此外，优选包括将热塑性树脂粉碎成细颗粒的破碎过程。作为破碎方法，优选包括将热塑性树脂粉碎成粗粒子的粗粉碎工序，将粗粒子粉碎成细小粒子的细粉碎工序。

10. 发明专利

JP2012242565A Optical sheet, backlight unit using the same, and manufacturing method of optical sheet 有权
标题翻译：光学片，使用相同的背光单元和光学片的制造方法
公开(公告)号：JP2012242565A
公开(公告)日：2012-12-10
申请号：JP2011111920
申请日：2011-05-18
申请人： Keiwa Inc , 恵和株式会社
发明人： TSUJI TAKAHIRO
IPC分类号： G02B5/02 , F21S2/00 , F21Y101/02 , F21Y103/00 , G02F1/13357
摘要： PROBLEM TO BE SOLVED: To provide an optical sheet capable of preventing damages to another member on which it is superposedly disposed.SOLUTION: An optical sheet comprises a sheet body having an optical function and a plurality of fibers which are protrusively provided on the back side of the sheet body. It is effectively that the sheet body and the plurality of fibers are bonded via an adhesive part. It is effectively that the adhesive part is layered on the back side of the sheet body. It is effectively that the plurality of fibers are protrusively provided on the back side of the sheet by an electrostatic flocking process.

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