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    • 1. 发明专利
    • 光学積層体、これを適用した画像表示装置およびタッチパネル
    • 光学层压板,以及使用其的图像显示装置和触控面板
    • JP2015055789A
    • 2015-03-23
    • JP2013189686
    • 2013-09-12
    • 小池 康博Yasuhiro Koike康博 小池サイデン化学株式会社Saiden Chemical Industry Co Ltd
    • KOIKE YASUHIROTAKAYA AKIHIROODA SUMIHISA
    • G02B5/30B32B7/02B32B17/10G02F1/1333G02F1/1335
    • 【課題】液晶パネルなどの光学積層体の大きさが大きい場合にも、光漏れの現象を有効に抑制し、これによって画面内に生じる「ムラ現象」を確実に抑制することを達成した光学積層体の提供。【解決手段】ガラス製の板と、樹脂製の光学フィルムと、これらを貼り合わせるための粘着剤層とからなる積層構造を少なくとも一組有する光学積層体であって、上記粘着剤層が、樹脂製の光学フィルムの伸縮の応力によって発生する、ガラス製の板の光弾性を打ち消す構成となる、粘着剤固有複屈折の値を示す粘着剤によって形成されている光学積層体、或いは、ガラス製の板と、樹脂製の光学フィルムと、これらを貼り合わせるための粘着剤層とからなる積層構造を少なくとも一組有する光学積層体であって、上記ガラス製の板の光弾性係数が正であり、上記粘着剤層が、粘着剤固有複屈折の値が負の粘着剤によって形成されている光学積層体。【選択図】図1
    • 要解决的问题:为了提供一种有效地抑制漏光现象的光学层叠体,即使在液晶面板的尺寸较大的情况下也能够可靠地抑制在屏幕中引起的“不均匀现象”。 光学层叠体包括至少一组叠层结构,其包括玻璃板,树脂光学膜和用于层压它们的压敏粘合剂层,其中压敏粘合剂层由压敏粘合剂形成,显示 压敏粘合剂的特定双折射值,并且被配置为补偿由树脂光学膜的拉伸和收缩应力引起的玻璃板的光弹性。 或者,光学层叠体包括至少一组层压结构,其包括玻璃板,树脂光学膜和用于层压它们的压敏粘合剂层,其中玻璃板具有正的弹性模量和压敏性 粘合剂层由压敏粘合剂具有负特异性双折射值的压敏粘合剂形成。
    • 5. 发明专利
    • Non-birefringent optical plastic material and optical member
    • 非光学光学材料和光学成员
    • JP2006308682A
    • 2006-11-09
    • JP2005128410
    • 2005-04-26
    • Yasuhiro Koike康博 小池
    • KOIKE YASUHIRO
    • G02B1/04
    • G02B1/04C08F220/14C08F220/22Y10S526/937
    • PROBLEM TO BE SOLVED: To provide an optical plastic material in which orientation birefringence and photoelastic birefringence are simultaneously reduced and approximately erased, and to provide an optical member using the optical plastic material. SOLUTION: The optical member is composed of composite component systems of a three-component system or more including a copolymer system of a binary system or more, and a combination of the components of the component systems and a component ratio is selected as follows; both of orientation birefringence and photoelastic birefringence are reduced simultaneously, when the orientation degree of copolymer main chain is 0.03, the orientation birefringence is 5.0×10 -5 or less and the photoelastic constant is 1.0×10 -12 (Pa -1 ) or less. It is preferable that an additive comprising a low molecular weight organic compound which has anisotropy of polarizability and further can be oriented in a polymer is included in the composite component systems. Furthermore, it is preferable that the composite component system is constituted with a copolymer system of a ternary system or more. The optical member obtained by molding optical plastics hardly exhibits birefringence even under application of an external force. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种光学塑料材料,其中取向双折射和光弹性双折射同时减少并大致擦除,并提供使用光学塑料材料的光学构件。 解决方案:光学构件由包括二元系统或更多系统的共聚物系统的三组分系统的复合组分系统组成,组分体系的组分和组分比的组合选择为 如下: 当共聚物主链的取向度为0.03时,取向双折射和光弹性双折射同时降低,取向双折射为5.0×10 -5 或更小,光弹性常数为1.0×10 -12 (Pa -1 )以下。 优选包含具有极化率各向异性并且还可以在聚合物中取向的低分子量有机化合物的添加剂包括在复合组分体系中。 此外,优选复合成分体系由三元系以上的共聚物体系构成。 通过模塑光学塑料获得的光学部件甚至在施加外力的情况下几乎不显示双折射。 版权所有(C)2007,JPO&INPIT
    • 9. 发明专利
    • Non-birefringent optical resin material, method for producing the same and optical element by using the same
    • 非发光性光学树脂材料及其制造方法及使用该方法的光学元件
    • JP2005068374A
    • 2005-03-17
    • JP2003303542
    • 2003-08-27
    • Yasuhiro Koike康博 小池
    • KOIKE YASUHIRO
    • G02F1/1333C08K5/03C08L101/00G02B1/04G02F1/1335
    • PROBLEM TO BE SOLVED: To obtain a non-birefringent optical resin by diminishing wide orientation birefringence of the resin, and to provide an optical element by using the same. SOLUTION: The non-birefringent optical resin material is obtained by adding a chain-form birefringent molecule having a tendency of diminishing the orientation birefringence of a transparent polymeric resin and performing polymerization, kneading, and the like. The chain-form birefringent molecule has a structure (A structure) having a π-electron conjugated system having a widened structure as a rod shape and a chain-form structure (B structure) capable of bending and intertwining with surrounding matrix polymer molecular chains and having 400-1,500 molecular weight. The non-birefringent optical resin material can be used as the sheet-formed or lens-shaped non-birefringent optical elements. The A structure is e.g. a naphthalene structure, biphenyl structure, and the B structure is e.g. a straight chain-form hydrocarbon structure, branched straight chain-form hydrocarbon structure, straight chain-form carbon fluorine structure. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过减小树脂的宽取向双折射率来获得非双折射光学树脂,并通过使用它来提供光学元件。 解决方案:非双折射光学树脂材料通过添加具有减少透明聚合物树脂的取向双折射的倾向并进行聚合,捏合等的链式双折射分子而获得。 链式双折射分子具有具有扩大的杆状结构的π电子共轭体系和能够与周围的基质聚合物分子链弯曲和交织的链状结构(B结构)的结构(A结构), 具有400-1,500分子量。 非双折射光学树脂材料可以用作片状或透镜状的非双折射光学元件。 A结构是例如。 萘结构,联苯结构和B结构是例如。 直链状烃结构,支链直链烃基结构,直链状碳氟结构。 版权所有(C)2005,JPO&NCIPI
    • 10. 发明专利
    • Method for manufacturing plastic optical fiber
    • 制造塑料光纤的方法
    • JP2003075656A
    • 2003-03-12
    • JP2001264475
    • 2001-08-31
    • Fuji Photo Film Co LtdYasuhiro Koike富士写真フイルム株式会社康博 小池
    • SATO MASATAKAMIYOSHI TAKAHITOSHIROKURA YUKIOOGURA TORUKOIKE YASUHIRO
    • G02B6/00
    • PROBLEM TO BE SOLVED: To provide a method for manufacturing a plastic optical fiber at a high productivity. SOLUTION: The method for manufacturing the plastic optical fiber having a core part and a clad part of which the refractive index is different from each other is characterized by the fact that the method includes a pressure polymerization process of the core part in which a region which becomes the core part is formed in the hollow part of a structure body which becomes the clad part by pressure polymerization and a preform having regions which correspond to the core part and the clad part, respectively, is made, and the structure body is supported by a fixture for keeping form which has a hollow part in which the structure body is inserted in the pressure polymerization process. The method for manufacturing the plastic optical fiber is characterized by the fact that preferably the fixture has an inner diameter which is larger than the outer diameter of the structure body by 0.1% to 40% of the outer diameter.
    • 要解决的问题:提供一种以高生产率制造塑料光纤的方法。 解决方案:具有芯部分和折射率彼此不同的包层部分的塑料光纤的制造方法的特征在于,该方法包括芯部的压力聚合过程,其中, 在通过压力聚合成为包层部分的结构体的中空部分中形成核心部分,并且形成具有分别对应于芯部分和包层部分的区域的预制件,并且结构体由 用于保持在压力聚合过程中具有中空部分的装置,其中结构体被插入其中。 塑料光纤的制造方法的特征在于,优选地,固定装置的内径比结构体的外径大0.1%〜40%。