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1. 发明申请

US20120003402A1 Retardation Film Produced by Using Cellulose Derivative 审中-公开
标题翻译：使用纤维素衍生物生产的延迟膜
公开(公告)号：US20120003402A1
公开(公告)日：2012-01-05
申请号：US13220027
申请日：2011-08-29
申请人： Yoshitaka Ohashi , Kouichi Tanaka , Hideyoshi Fujisawa
发明人： Yoshitaka Ohashi , Kouichi Tanaka , Hideyoshi Fujisawa
IPC分类号： C09K19/00 , C08B3/10 , C08F22/22 , C08B15/10 , B32B9/04 , B32B27/32
CPC分类号： G02B5/3083 , B32B7/12 , B32B23/08 , B32B23/20 , B32B2250/02 , B32B2260/046 , B32B2307/306 , B32B2307/418 , B32B2307/42 , B32B2307/516 , B32B2307/518 , B32B2307/5825 , B32B2307/732 , B32B2457/202 , B32B2551/00 , C08B3/10 , C08B15/005 , C08L1/08 , C08L1/10 , G02B1/04 , Y10T428/10 , Y10T428/31504
摘要： The present invention relates to a retardation film having biaxial characteristics or an achromatic property, which is obtained by uniaxially stretching of a film composed of cellulose derivatives in which a hydroxyl group of cellulose is substituted by an acyl group having 5 to 20 carbon atoms, preferably 7 to 20 carbon atoms, more preferably 8 to 20 carbon atoms or cross-linked compounds of cellulose derivatives, said retardation film is a superior retardation film which has negative birefringence and excellent optical characteristics and also can be easy to obtain by uniaxially stretching, and in addition, the heat resistance, tearing strength and the like which are weaknesses of cellulose ester are improved.
摘要翻译：本发明涉及通过单轴拉伸由纤维素衍生物构成的膜，其中纤维素的羟基被具有5〜20个碳原子的酰基取代的双轴性或消色性， 7〜20个碳原子，更优选8〜20个碳原子或纤维素衍生物的交联化合物，所述延迟膜是具有负双折射性和优异的光学特性的优异的延迟膜，并且也可以容易地通过单轴拉伸获得，此外，作为纤维素酯的弱点的耐热性，撕裂强度等提高。

2. 发明授权

US07416683B2 Liquid crystal mixed composition and retardation film using same 失效
标题翻译：液晶混合组合物和使用其的延迟膜
公开(公告)号：US07416683B2
公开(公告)日：2008-08-26
申请号：US10532671
申请日：2003-11-06
申请人： Hideyoshi Fujisawa , Kouichi Tanaka
发明人： Hideyoshi Fujisawa , Kouichi Tanaka
IPC分类号： C09K19/00 , C09K19/52
CPC分类号： C09K19/542 , C09K19/0422 , C09K19/12 , C09K19/2007 , C09K19/3852 , C09K2019/0448 , C09K2219/03 , G02B5/3016 , Y10T428/10 , Y10T428/1005
摘要： The invention relates to a liquid crystal mixed-composition comprising one or more cellulose derivatives and one or more liquid crystal compounds (preferably low-molecular liquid crystal compound) which can be oriented in a specific direction differing from that of the cellulose derivative, wherein the ratio by weight of the both is preferably in a range from 1:9 to 9:1, a retardation film produced using the composition, a circularly or elliptically polarizing film using the retardation film and an image display device provided with a circularly or elliptically polarizing film. The liquid crystal mixed-composition can be easily oriented in a specific direction on a rubbed substrate. If this orientation is fixed, a retardation film can be easily obtained which has such wavelength dispersion characteristics that the same level of retardation can be imparted to each wavelength in a wide visible region.
摘要翻译：本发明涉及一种液晶混合组合物，其包含一种或多种纤维素衍生物和一种或多种可沿与纤维素衍生物不同的特定方向取向的液晶化合物（优选低分子液晶化合物），其中两者的重量比优选在1:9至9:1的范围内，使用该组合物制备的相位差膜，使用延迟膜的圆偏振膜或椭圆偏光膜以及设置有圆形或椭圆偏振的图像显示装置电影。液晶混合组合物可以容易地在摩擦衬底上沿特定方向取向。如果该取向固定，则可以容易地获得具有这样的波长色散特性的延迟膜，即可以在宽的可见区域中对每个波长赋予相同的延迟水平。

3. 发明申请

US20070036916A1 Phase shift films made by using cellulose derivatives 失效
标题翻译：使用纤维素衍生物制成的相变膜
公开(公告)号：US20070036916A1
公开(公告)日：2007-02-15
申请号：US10569928
申请日：2004-08-26
申请人： Hideyoshi Fujisawa , Kouichi Tanaka
发明人： Hideyoshi Fujisawa , Kouichi Tanaka
IPC分类号： C09K19/00 , B32B29/00
CPC分类号： C08J5/18 , C08B3/10 , C08J2301/10 , G02B5/3083 , Y10T428/1036 , Y10T428/1041 , Y10T428/105 , Y10T428/1077 , Y10T428/21 , Y10T428/31971
摘要： The present invention relates to a retardation film obtained by subjecting a film formed from a cellulose derivative to an orientation treatment, wherein a hydroxyl group of cellulose is substituted by at least one kind of aliphatic acyl group having 5 to 20 carbon atoms, and a degree of substitution by said hydroxyl group is 1 to 3. According to the present invention, a retardation film having various wavelength dispersion characteristics, positiveness or negativeness in birefringence and viewing angle characteristics, in particular, an achromatic retardation film and a retardation film having a high birefringent property and the like can be obtained by preparing a retardation film using a properly selected said cellulose derivative as a raw material of the film.
摘要翻译：本发明涉及通过对由纤维素衍生物形成的膜进行取向处理而获得的延迟膜，其中纤维素的羟基被至少一种碳原子数为5〜20的脂肪族酰基取代，所述羟基的取代为1〜3。根据本发明，具有各种波长色散特性，双折射和视角特性的积极性或消极性的延迟膜，特别是无色相位差膜和具有高的视差角的延迟膜可以通过使用适当选择的所述纤维素衍生物作为膜的原料来制备延迟膜来获得双折射性质等。

4. 发明授权

US07410680B2 Retardation film made by using cellulose derivatives 失效
标题翻译：使用纤维素衍生物制成的延迟膜
公开(公告)号：US07410680B2
公开(公告)日：2008-08-12
申请号：US10569928
申请日：2004-08-26
申请人： Hideyoshi Fujisawa , Kouichi Tanaka
发明人： Hideyoshi Fujisawa , Kouichi Tanaka
IPC分类号： G02F1/13363
CPC分类号： C08J5/18 , C08B3/10 , C08J2301/10 , G02B5/3083 , Y10T428/1036 , Y10T428/1041 , Y10T428/105 , Y10T428/1077 , Y10T428/21 , Y10T428/31971
摘要： The present invention relates to a retardation film obtained by subjecting a film formed from a cellulose derivative to an orientation treatment, wherein a hydroxyl group of cellulose is substituted by at least one kind of aliphatic acyl group having 5 to 20 carbon atoms, and a degree of substitution by said hydroxyl group is 1 to 3. According to the present invention, a retardation film having various wavelength dispersion characteristics, positiveness or negativeness in birefringence and viewing angle characteristics, in particular, an achromatic retardation film and a retardation film having a high birefringent property and the like can be obtained by preparing a retardation film using a properly selected said cellulose derivative as a raw material of the film.
摘要翻译：本发明涉及通过对由纤维素衍生物形成的膜进行取向处理而获得的延迟膜，其中纤维素的羟基被至少一种碳原子数为5〜20的脂肪族酰基取代，所述羟基的取代为1〜3。根据本发明，具有各种波长色散特性，双折射和视角特性的积极性或消极性的延迟膜，特别是无色相位差膜和具有高的视差角的延迟膜可以通过使用适当选择的所述纤维素衍生物作为膜的原料来制备延迟膜来获得双折射性质等。

5. 发明授权

US07163723B2 Liquid crystalline compound and reterdation difference film using the same 失效
标题翻译：液晶化合物和反应差膜使用相同
公开(公告)号：US07163723B2
公开(公告)日：2007-01-16
申请号：US10476748
申请日：2002-05-09
申请人： Kouichi Tanaka , Kenichiro Yoshioka , Junji Toda , Hideyoshi Fujisawa
发明人： Kouichi Tanaka , Kenichiro Yoshioka , Junji Toda , Hideyoshi Fujisawa
IPC分类号： G02B5/30 , C09K19/52 , C09K19/38
CPC分类号： C08J5/18 , C08J2300/12 , C08J2301/08 , C09K19/3819 , C09K2019/325 , G02B5/3016 , G02F2001/133637 , Y10T428/10 , Y10T428/1005 , Y10T428/1036 , Y10T428/1041
摘要： A phase difference film which comprises a liquid crystal film having a liquid crystal comprised of a cellulose derivative as a liquid crystal compound (cellulose derivative liquid crystal) being oriented in a specific direction, preferably said phase difference film wherein said orientation in a specific direction is fixed. In said liquid crystal film, through changing appropriately the molecular weight of the cellulose derivative, the composition of the liquid crystal, the degree of the orientation, and the like, films having various wave length dispersion characteristics can be prepared with ease, and further a phase difference film satisfying the following relationship: Δn450=Δn550=Δn650 (1) wherein Δn550 represents a double refractive index at a wave length of 550 nm, Δn450 represents a double refractive index at a wave length of 450 nm, and Δn650 represents a double refractive index at a wave length of 650 nm, can be prepared without laminating a plurality of phase difference films. Said phase difference film, used in combination with a polarizing film, exhibits excellent reflection preventing effect, contrast improving effect, double refraction compensating effect, and the like.
摘要翻译：一种相位差膜，其包括具有由特定方向取向的液晶化合物的纤维素衍生物（纤维素衍生物液晶）构成的液晶的液晶膜，优选所述相位差膜，其中所述特定方向的取向为固定。在所述液晶膜中，通过适当地改变纤维素衍生物的分子量，液晶的组成，取向度等，可以容易地制备具有各种波长分散特性的膜，进而，满足以下关系的相位差膜：Deltan450 = Deltan550 = Deltan650（1）其中Deltan550表示550nm波长处的双重折射率，Deltan450表示波长450nm处的双重折射率，Deltan650表示双重折射率可以在不叠层多个相位差膜的情况下制备波长为650nm的折射率。与偏振膜组合使用的所述相位差膜具有优异的防反射效果，对比度提高效果，双折射补偿效果等。

6. 发明申请

US20060060821A1 Liquid crystal compound composition and retardation film using same 失效
标题翻译：液晶化合物组合物和使用其的延迟膜
公开(公告)号：US20060060821A1
公开(公告)日：2006-03-23
申请号：US10532671
申请日：2003-11-06
申请人： Hideyoshi Fujisawa , Kouichi Tanaka
发明人： Hideyoshi Fujisawa , Kouichi Tanaka
IPC分类号： C09K19/52 , C09K19/38 , C09K19/34 , C09K19/54 , G02F1/1335
CPC分类号： C09K19/542 , C09K19/0422 , C09K19/12 , C09K19/2007 , C09K19/3852 , C09K2019/0448 , C09K2219/03 , G02B5/3016 , Y10T428/10 , Y10T428/1005
摘要： The invention relates to a liquid crystal mixed-composition comprising one or more cellulose derivatives and one or more liquid crystal compounds (preferably low-molecular liquid crystal compound) which can be oriented in a specific direction differing from that of the cellulose derivative, wherein the ratio by weight of the both is preferably in a range from 1:9 to 9:1, a retardation film produced using the composition, a circularly or elliptically polarizing film using the retardation film and an image display device provided with a circularly or elliptically polarizing film. The liquid crystal mixed-composition can be easily oriented in a specific direction on a rubbed substrate. If this orientation is fixed, a retardation film can be easily obtained which has such wavelength dispersion characteristics that the same level of retardation can be imparted to each wavelength in a wide visible region.
摘要翻译：本发明涉及一种液晶混合组合物，其包含一种或多种纤维素衍生物和一种或多种可沿与纤维素衍生物不同的特定方向取向的液晶化合物（优选低分子液晶化合物），其中两者的重量比优选在1:9至9:1的范围内，使用该组合物制备的相位差膜，使用延迟膜的圆偏振膜或椭圆偏光膜以及设置有圆形或椭圆偏振的图像显示装置电影。液晶混合组合物可以容易地在摩擦衬底上沿特定方向取向。如果该取向固定，则可以容易地获得具有这样的波长色散特性的延迟膜，即可以在宽的可见区域中对每个波长赋予相同的延迟水平。

7. 发明授权

US08730580B2 Light diffusion cell for laser light, light source device and image display device using same 有权
标题翻译：用于激光的光扩散单元，光源装置和使用其的图像显示装置
公开(公告)号：US08730580B2
公开(公告)日：2014-05-20
申请号：US13124949
申请日：2009-10-20
申请人： Hideyoshi Fujisawa
发明人： Hideyoshi Fujisawa
IPC分类号： G02B5/02
CPC分类号： G02B5/0242 , G02B5/0278 , G02B27/48 , H01S5/005
摘要： A light diffusion cell for laser light where in a transparent cell in which a liquid can be sealed, a fine particle dispersion in which fine particles having an average particle size of 100 nm or more and 1.5 μm or less are colloidally dispersed in a liquid medium transmitting light, a same light diffusion cell including a reflection mechanism recursively using reflection light of incident light, a laser light source device including the light diffusion cell and a semiconductor laser light source and an image display device including the light diffusion cell or the laser light source device, and the light diffusion cell significantly reduces or removes speckle noise of semiconductor laser light. In addition, the light diffusion cell has an easy constitution, occupies a smaller volume and can be easily incorporated in any type of image display device using laser light. Therefore, it is possible to significantly reduce or remove speckle noise without large-sizing of an image display device using laser light or a higher cost-up.
摘要翻译：一种用于激光的光扩散单元，其中在其中可以密封液体的透明单元中，将平均粒度为100nm以上且1.5μm以下的微粒分散在液体介质中的微粒分散体使用入射光的反射光循环地发射包括反射机构的相同的光扩散单元，包括光扩散单元的激光源装置和半导体激光源，以及包括光扩散单元或激光的图像显示装置源装置和光扩散单元显着地减少或消除半导体激光的斑点噪声。此外，光扩散单元具有容易的结构，占据较小的体积，并且可以容易地结合在使用激光的任何类型的图像显示装置中。因此，可以在不使用激光的图像显示装置的大尺寸或更高成本的情况下显着地减少或去除斑点噪声。

8. 发明申请

US20110199686A1 Light Diffusion Cell For Laser Light, Light Source Device And Image Display Device Using Same 有权
标题翻译：激光灯，光源装置和图像显示装置的光扩散单元
公开(公告)号：US20110199686A1
公开(公告)日：2011-08-18
申请号：US13124949
申请日：2009-10-20
申请人： Hideyoshi Fujisawa
发明人： Hideyoshi Fujisawa
IPC分类号： G02B5/02
CPC分类号： G02B5/0242 , G02B5/0278 , G02B27/48 , H01S5/005
摘要： The present invention relates to a light diffusion cell for laser light where in a transparent cell in which a liquid can be sealed, a fine particle dispersion in which fine particles having an average particle size of 100 nm or more and 1.5 μm or less are colloidally dispersed in a liquid medium transmitting light, a same light diffusion cell comprising a reflection mechanism recursively using reflection light of incident light, a laser light source device comprising said light diffusion cell and a semiconductor laser light source and an image display device comprising said light diffusion cell or said laser light source device, and said light diffusion cell significantly reduce or remove speckle noise of semiconductor laser light. In addition, said light diffusion cell has an easy constitution, occupies a smaller volume and can be easily incorporated in any type of image display device using laser light. Therefore, it is possible to significantly reduce or remove speckle noise without large-sizing of an image display device using laser light or a higher cost-up.
摘要翻译：本发明涉及一种用于激光的光扩散单元，其中在可密封液体的透明单元中，具有平均粒度为100nm以上且1.5μm以下的微粒为胶体状的微粒分散体分散在透射光的液体介质中，使用入射光的反射光递归地包括反射机构的相同的光扩散单元，包括所述光漫射单元的激光源装置和半导体激光光源以及包括所述光扩散的图像显示装置单元或所述激光光源装置，并且所述光扩散单元显着地减少或去除半导体激光的斑点噪声。此外，所述光扩散单元具有容易的结构，占据较小的体积，并且可以容易地结合在使用激光的任何类型的图像显示装置中。因此，可以在不使用激光的图像显示装置的大尺寸或更高成本的情况下显着地减少或去除斑点噪声。

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