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1. 发明专利

JP2012153125A Method for manufacturing resin sheet, and shape roll 审中-公开
标题翻译：制造树脂板和成型辊的方法
公开(公告)号：JP2012153125A
公开(公告)日：2012-08-16
申请号：JP2011016895
申请日：2011-01-28
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HAMAMATSU TOYOHIRO
IPC分类号： B29C59/04 , B29C33/42 , B29C47/88 , B29L7/00
CPC分类号： B29C59/04 , B29C33/424 , B29C43/222 , B29C47/0019 , B29C47/003 , B29C47/8845 , B29K2995/0018
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a resin sheet enabling improvement in transfer rate.SOLUTION: The method for manufacturing a resin sheet has: a sheet manufacturing step S1 of manufacturing a continuous resin sheet; and a transfer step S2 of transferring transfer molds using a shape roll. The transfer step S2 uses the transfer molds formed by arranging a plurality of concave parts continuous in the circumferential direction of the shape roll adjacent to each other in the longitudinal direction of the shape roll, and forming gap parts with a width of 6-15 μm between concave parts adjacent to each other in the longitudinal direction.
摘要翻译：要解决的问题：提供一种能够提高传送速率的树脂片的制造方法。解决方案：制造树脂片的方法具有：制造连续树脂片的片材制造步骤S1; 以及使用成形辊转印转印模的转印步骤S2。转印步骤S2使用通过在形状辊的纵向方向上布置在形状辊的周向上连续的多个凹部而形成的转印模，并且形成宽度为6〜15μm的间隙部在纵向彼此相邻的凹部之间。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2011194724A Method for manufacturing surface shape transfer resin sheet 审中-公开
标题翻译：制造表面形状转印树脂的方法
公开(公告)号：JP2011194724A
公开(公告)日：2011-10-06
申请号：JP2010064295
申请日：2010-03-19
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HAMAMATSU TOYOHIRO , NAKANISHI MAKI
IPC分类号： B29C47/88 , B29C47/14 , B29C59/04 , B29K69/00 , B29L7/00
CPC分类号： B29C47/0019 , B29C47/8845 , B29C47/8875
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a surface shape transfer resin sheet capable of suppressing a wrapping phenomenon of a resin sheet around a transfer roll and transferring an irregular shape on the surface of the resin sheet at a high transfer rate.SOLUTION: The manufacturing method includes: an extrusion process of continuously extruding resin from a die 8 in a heated and molten state to obtain a continuous resin sheet 2; a first pressing process of nipping the continuous resin sheet 2 between a first pressing roll 11 and a second pressing roll 12; and a first carrying process of carrying the continuous resin sheet 2 with the continuous resin sheet 2 coming into close contact with the second pressing roll 12. The second pressing roll 12 includes a transfer die 22 on the surface, and the transfer die 22 includes a plurality of recessed grooves. In the first carrying process, at least part of a region of the continuous resin sheet 2 coming into close contact with the second pressing roll 12 during carrying is cooled.
摘要翻译：要解决的问题：提供一种表面形状转印树脂片的制造方法，其能够抑制树脂片在转印辊周围的缠绕现象，并以高转印速率在树脂片的表面上转印不规则形状。制造方法包括：从加热熔融状态的模具8连续挤出树脂的挤出工序，得到连续的树脂片材2; 将连续树脂片材2夹在第一加压辊11和第二挤压辊12之间的第一压制工艺; 以及连续树脂片材2与第二加压辊12紧密接触的承载连续树脂片材2的第一承载方法。第二加压辊12在表面上包括转移模具22，并且转移模具22包括多个凹槽。在第一承载过程中，连续树脂片材2的至少一部分在运送期间与第二加压辊12紧密接触被冷却。

3. 发明专利

JP2010214940A Method for producing crystalline resin sheet 有权
标题翻译：生产结晶树脂片的方法
公开(公告)号：JP2010214940A
公开(公告)日：2010-09-30
申请号：JP2009223043
申请日：2009-09-28
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： FUJIKI SHINYA , NISHIMOTO YUMA , HAMAMATSU TOYOHIRO
IPC分类号： B29C47/88 , B29C47/14 , B29L7/00 , B29L11/00
CPC分类号： B29C47/34 , B29C43/222 , B29C47/0019 , B29C47/0021 , B29C47/8845 , B29C47/92 , B29C59/04 , B29C2947/92571 , B29C2947/92704 , B29C2947/92923 , B29C2947/92933 , B29K2023/12 , B29K2105/256
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a crystalline resin sheet in which concave warpage is eliminated, and which is excellent in flatness by a simple method. SOLUTION: The method for producing the crystalline resin sheet comprises: the step for extruding crystalline resin in a sheet form from a die 1; the step for forming an extruded sheet by passing the extruded sheet-form crystalline resin through rolling rolls; and the step for conveying the extruded sheet in such a manner that the width direction of the surface of the extruded sheet is kept horizontal. The step for conveying the extruded sheet is carried out by bringing the extruded sheet into contact with at least four conveyance rolls 6 arranged in the conveyance direction of the extruded sheet, and includes a total of two or more steps of at least one step of: the step for bringing the upper surface of the extruded sheet into contact with the conveyance rolls in the conveyance direction and then bringing the lower surface of the extruded sheet into contact with the conveyance rolls in the conveyance direction; and the step for bringing the lower surface of the extruded sheet into contact with the conveyance rolls in the conveyance direction and then bringing the upper surface of the extruded sheet into contact with the conveyance rolls in the conveyance direction. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：提供一种消除凹陷翘曲的结晶树脂片材的制造方法，并且通过简单的方法具有优异的平整度。＆lt; P＆gt;解决方案：结晶性树脂片的制造方法包括：从模具1挤出片状的结晶性树脂的工序; 通过将挤出的片状结晶性树脂通过轧辊形成挤出片材的步骤; 以及挤出片材的表面的宽度方向保持水平的方式输送挤压片材的步骤。用于输送挤出片材的步骤是通过使挤压片材与沿挤出片材的输送方向布置的至少四个输送辊6接触而进行的，并且包括总共两个或更多个步骤的至少一个步骤：使挤出片材的上表面在输送方向上与输送辊接触，然后使挤出片材的下表面在输送方向上与输送辊接触的步骤; 以及使挤出片材的下表面在输送方向上与输送辊接触的步骤，然后使挤出片材的上表面在输送方向上与输送辊接触。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2010211171A Light diffusing plate, surface light source device, and liquid crystal display device 审中-公开
标题翻译：光扩散板，表面光源装置和液晶显示装置
公开(公告)号：JP2010211171A
公开(公告)日：2010-09-24
申请号：JP2009128550
申请日：2009-05-28
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： MOMOTA KENTARO , HAMAMATSU TOYOHIRO
IPC分类号： G02B5/02 , F21V3/00 , F21V3/04 , G02F1/13357
CPC分类号： B32B27/18 , B32B1/08 , B32B27/08 , B32B27/20 , B32B27/32 , B32B2307/40 , G02B5/0242 , G02B5/0268 , G02F1/133504
摘要： PROBLEM TO BE SOLVED: To provide a light diffusing plate having sufficient strength even in light weight, prevented from being deformed by heat or humidity and capable of securing sufficiently high light diffusing performance even when the content of a light diffusing agent is small. SOLUTION: The light diffusing plate 3 is composed of a resin composition containing a propylene polymer and a light diffusing agent, and when it is defined that the accumulated 50% grain size of the light diffusing agent, which is measured by a Fraunhofer diffraction method using laser scattered light is D 50 and the absolute value of a difference in refractive indexes between the propylene polymer and the light diffusing agent is Δn, the following relational formula (a) or (b) is satisfied. Namely, (a) is 0.5 μm≤D 50 ≤2.0 μm and 0.05≤Δn≤0.7 and (b) is 2.0 μm≤D 50 ≤10 μm and 0.12≤Δn≤0.7. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供即使轻量化也具有足够强度的光漫射板，防止由于热或湿度而变形，并且即使当光漫射剂的含量小时也能够确保足够高的光漫射性能。光扩散板3由含有丙烯聚合物和光扩散剂的树脂组合物构成，当通过Fraunhofer测定的光扩散剂的累积的50％晶粒尺寸使用激光散射光的衍射方法为D＆lt; SB＆gt; 50＆lt;丙烯聚合物和光漫射剂之间的折射率差的绝对值为Δn，以下关系式（a）或（b）为满意。即，（a）为0.5μm≤D 50 ≤2.0μm，0.05≤Δn≤0.7，（b）为2.0μm≤D 50 ≤10μm，0.12≤ Δn≤0.7。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009211810A Optical diffuser panel for downright backlight device and downright backlight device 审中-公开
标题翻译：用于下降式背光装置和下降式背光装置的光学扩散板
公开(公告)号：JP2009211810A
公开(公告)日：2009-09-17
申请号：JP2008050363
申请日：2008-02-29
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HAMAMATSU TOYOHIRO , LEE KENKI
IPC分类号： F21S2/00 , F21V3/00 , F21Y103/00 , G02B5/02 , G02F1/13357
摘要： PROBLEM TO BE SOLVED: To provide an optical diffuser panel for a downright backlight device which has sufficiently high luminance and gives well-controlled homogeneous luminance, and to provide a downright backlight device.
SOLUTION: The optical diffuser panel 3 for the downright backlight devices has a diffusion light transmittance of ≤55%, and a thickness of ≥2.5 mm. Further, this downright backlight device 1 has an optical diffuser panel 3 and a plurality of light sources 2 arranged on the back side of the optical diffuser panel 3.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有足够高的亮度并且具有良好控制的均匀亮度的直立背光装置的光扩散板，并提供一种彻底的背光装置。解决方案：用于直立式背光装置的光扩散板3的扩散光透射率≤55％，厚度≥2.5mm。此外，该直立式背光装置1具有配置在光扩散板3的背侧的光漫射板3和多个光源2.（C）2009，JPO＆INPIT

6. 发明专利

JP2008216609A Optical diffusion plate and surface light source device, and liquid crystal display device 审中-公开
标题翻译：光学扩展板和表面光源装置和液晶显示装置
公开(公告)号：JP2008216609A
公开(公告)日：2008-09-18
申请号：JP2007053630
申请日：2007-03-05
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HAMAMATSU TOYOHIRO
IPC分类号： G02B5/02 , F21S2/00 , F21V3/04 , F21Y103/00 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide an optical diffusion plate which is light-weight and has sufficient strength, which is low in moisture absorbency and is not deformed by moisture absorption, and which does not produce any color change or deterioration with heat or light such as ultraviolet light and is excellent in heat resistance and in lightfastness.
SOLUTION: The optical diffusion plate includes a propylene resin, a methacrylic resin, and light diffusing particles, and is characterized in that it is equipped with a base layer 8 composed of a resin composition with a mass ratio of the propylene resin to the methacrylic resin in 40/60-95/5 range, and surface layers 9 which are laminated and integrated on one surface or both surfaces of the base layer 8 and composed of a resin composition including a transparent resin and an ultraviolet absorbing agent.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种轻质量且具有足够强度的光吸收板，其吸湿性低并且不会被吸湿变形，并且不产生任何颜色变化或热量劣化或紫外线等光，耐热性和耐光性优异。光扩散板包括丙烯树脂，甲基丙烯酸树脂和光漫射粒子，其特征在于，其具有基质层8，该基底层8由丙烯树脂与 40 / 60-95 / 5范围的甲基丙烯酸树脂和层叠并整合在基层8的一个表面或两个表面上并由包括透明树脂和紫外线吸收剂的树脂组合物组成的表面层9。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2008185655A Light diffusion plate, surface light source apparatus and liquid crystal display device 审中-公开
标题翻译：光扩散板，表面光源装置和液晶显示装置
公开(公告)号：JP2008185655A
公开(公告)日：2008-08-14
申请号：JP2007017278
申请日：2007-01-29
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HAMAMATSU TOYOHIRO
IPC分类号： G02B5/02 , G02F1/1335 , G02F1/13357
摘要： PROBLEM TO BE SOLVED: To provide a light diffusion plate lightweight, having sufficient strength and low hygroscopic property and excellent heat resistance to be free from deformation due to moisture absorption and heat. SOLUTION: The light diffusion plate 3 contains a resin component and light diffusion particles wherein a propylene resin and a methacrylate resin are contained as the resin component and the content of propylene resin is ≥40 pts.mass and ≤100 pts.mass per 100 pts.mass in total of the propylene resin and the methacrylate resin. A liquid crystal display device 30 is provided with the light diffusion plate 3, a plurality of the light sources 2 arranged in the back side of the light diffusion plate 3 and a liquid crystal panel 20 arranged on the front side of the light diffusion plate 3. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供轻量化的光散射板，具有足够的强度和低吸湿性以及优异的耐热性，以免由于吸湿和热而产生变形。解决方案：光漫射板3包含树脂组分和包含丙烯树脂和甲基丙烯酸酯树脂的光扩散颗粒作为树脂组分，丙烯树脂的含量为≥40个氨基甲酸乙酯和≤100重量份总共100pts.mass的丙烯树脂和甲基丙烯酸酯树脂。液晶显示装置30设置有光扩散板3，布置在光漫射板3的背面的多个光源2和布置在光漫射板3的前侧的液晶面板20 版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2013158961A Method of manufacturing resin sheet 审中-公开
标题翻译：制造树脂片的方法
公开(公告)号：JP2013158961A
公开(公告)日：2013-08-19
申请号：JP2012020987
申请日：2012-02-02
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HAMAMATSU TOYOHIRO
IPC分类号： B29C59/04 , B29C47/88 , B29L7/00
CPC分类号： B29C47/0021 , B29C47/8845 , B29C47/906
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a resin sheet, which facilitates management on manufacturing processes.SOLUTION: A transfer mold 53 is provided on a surface of a shape roll, and the transfer mold is provided with a plurality of recessed parts along a peripheral direction of the shape roll, and a cross sectional shape of a recessed part in a cross section orthogonal to the peripheral direction of the transfer roll comprises a curve having a radius of curvature of 100 μm or larger. Since the recessed parts of the transfer mold are completely filled with resin in a pressing process and a filling depth becomes constant, a shape of a projection part 35 formed on the resin sheet can be grasped by measuring a height of a cross sectional shape of the projection part 35 only at one point, and thereby facilitating management on manufacturing processes of the resin sheet.
摘要翻译：要解决的问题：提供一种制造树脂片材的方法，其有利于制造工艺的管理。解决方案：转印模具53设置在成形辊的表面上，转印模具设置有多个凹部沿着成形辊的圆周方向，并且在与转印辊的周向垂直的截面中的凹部的横截面形状包括具有100μm或更大的曲率半径的曲线。由于转印模具的凹陷部分在压制过程中完全填充树脂并且填充深度变得恒定，所以可以通过测量形成在该树脂薄片的横截面形状的高度来抓住形成在树脂薄片上的突出部分35的形状突出部35仅在一个点处，从而便于管理树脂片的制造工艺。

9. 发明专利

JP2012252209A Light guide plate with protective film 审中-公开
标题翻译：带保护膜的光导板
公开(公告)号：JP2012252209A
公开(公告)日：2012-12-20
申请号：JP2011125402
申请日：2011-06-03
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HAMAMATSU TOYOHIRO
IPC分类号： G02B6/00 , F21S2/00
CPC分类号： G02B6/0065 , G02B6/0038 , G02B6/005
摘要： PROBLEM TO BE SOLVED: To provide a light guide plate with a protective film excellent in adhesion characteristic and peeling characteristic between a surface with projection parts formed on the light guide plate and the protective film, and a protective film used for the light guide plate.SOLUTION: The light guide plate with a protective film includes a light guide plate with projection parts formed thereon, and a protective film laminated on the surface with the projection parts. The peel strength between the light guide plate and the protective film after laminating the light guide plate heated at 40°C with the protective film is 0.1-0.8 N/25 mm. The peel strength between the light guide plate and the protective film after laminating the light guide plate heated at 70°C with the protective film is 0.1-0.8 N/25 mm.
摘要翻译：要解决的问题：提供一种导光板，其具有在导光板上形成的突出部分的表面与保护膜之间的粘附特性和剥离特性优异的保护膜和用于光的保护膜导板。解决方案：具有保护膜的导光板包括其上形成有突出部分的导光板，以及在表面上与突起部分层压的保护膜。在加热了40℃的导光板与保护膜层叠导光板与保护膜之间的剥离强度为0.1〜0.8N / 25mm。将加热至70℃的导光板与保护膜层压后的导光板与保护膜之间的剥离强度为0.1〜0.8N / 25mm。版权所有（C）2013，JPO＆INPIT

10. 发明专利

JP2012250467A Method for producing light guide plate 审中-公开
标题翻译：生产光导板的方法
公开(公告)号：JP2012250467A
公开(公告)日：2012-12-20
申请号：JP2011125413
申请日：2011-06-03
申请人： Sumitomo Chemical Co Ltd , 住友化学株式会社
发明人： HAMAMATSU TOYOHIRO , NISHIMOTO YUMA
IPC分类号： B29C59/04 , B29C47/14 , B29C47/88 , B29K33/04 , B29L7/00 , B29L11/00 , G02B3/00
CPC分类号： B29C47/003 , B29C47/0019 , B29C47/8845
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a light guide plate by which the occurrence of a bright spot can be suppressed.SOLUTION: The method for producing the light guide plate has a sheet production step and a transfer step. The transfer step includes: a pressing step of pressing a continuous resin sheet by holding it between a pressing roll and a shaping roll; a conveyance step of conveying the continuous resin sheet while being in close contact with a peripheral surface of the shaping roll; and a peeling step of peeling the continuous resin sheet from the peripheral surface of the shaping roll. Temperature of the extruded resin in the sheet production step is in a range of (Tg+110)°C and (Tg+200)°C with respect to glass transition temperature Tg of the resin. Temperature of the shaping roll is in a range of (Tg-25)°C and (Tg-5)°C. A ratio (D/P) of depth D of each of a plurality of recesses formed at a transfer mold to a pitch P of the plurality of recesses is in a range of 0.05 and 0.45. A plurality of protrusions corresponding to the plurality of recesses are formed on the surface of the light guide plate.
摘要翻译：解决的问题：提供一种可以抑制亮点发生的导光板的制造方法。导光板的制造方法具有片材制造工序和转印工序。转印步骤包括：按压步骤，通过将连续的树脂片保持在压辊和成形辊之间来压制; 输送步骤，在与所述成形辊的周面紧密接触的同时输送所述连续树脂片; 以及从成形辊的周面剥离连续树脂片的剥离工序。片材制造工序中的挤出树脂的温度相对于树脂的玻璃化转变温度Tg在（Tg + 110）℃和（Tg + 200）℃的范围内。成型辊的温度在（Tg-25）℃和（Tg-5）℃的范围内。在转印模具上形成的多个凹部中的每个凹部与多个凹部的间距P的深度D的比（D / P）在0.05和0.45的范围内。在导光板的表面上形成有与多个凹部对应的多个突起。版权所有（C）2013，JPO＆INPIT

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