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1.发明授权Method of manufacturing a compensator layer with retardation foils exhibiting tilt angles parallel to planes normal to the foils and angled with respect to one another 失效制造具有延迟箔的补偿层的方法，其具有平行于垂直于箔的平面并相对于彼此成角度的平面的倾斜角公开(公告)号：US07030950B2
公开(公告)日：2006-04-18
申请号：US10893875
申请日：2004-07-20
IPC分类号： G02F1/1335
CPC分类号： G02B5/3083 , G02B5/3016 , G02F1/133632 , G02F1/1396 , G02F2413/105
摘要： A method of manufacturing a compensator layer features forming first and second retardation foils by polymerizing or vitrifying liquid-crystalline material comprising liquid-crystal molecules in manner wherein the liquid-crystal molecules in the polymerized or vitrified liquid-crystalline material of the first and second retardation foils respectively exhibit first and second tilt angles which are respectively parallel to first and second planes that are normal to major surfaces of the foils and that are angled with respect to one another by an angle of 60–120 degrees.
摘要翻译： 一种制造补偿层的方法，其特征在于，通过聚合或玻璃化包含液晶分子的液晶材料形成第一和第二延迟膜，其中聚合或玻璃化液晶材料中的液晶分子具有第一和第二延迟 箔分别表现出第一和第二倾斜角度，它们分别平行于与箔的主表面垂直的第一和第二平面，并且相对于彼此成角度为60-120度的角度。
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2.发明授权公开(公告)号：US06784960B1
公开(公告)日：2004-08-31
申请号：US08857756
申请日：1997-05-15
IPC分类号： G02F11335
CPC分类号： G02B5/3083 , G02B5/3016 , G02F1/133632 , G02F1/1396 , G02F2413/105
摘要： The invention relates to a liquid-crystal display device comprising a display cell and a plurality of retardation foils of polymerized or vitrified liquid-crystal material, whose liquid-crystal molecules have a tilt angle with respect to a plane parallel to the substrates, which retardation foils have substantially complementary indicatrices so that each one of the retardation foils brings about the compensation of approximately half the display cell in the driven state.
摘要翻译： 本发明涉及一种液晶显示装置，包括显示单元和聚合或玻璃化液晶材料的多个延迟箔，其液晶分子相对于平行于基板的平面具有倾斜角，该延迟 箔片具有基本互补的指示，使得每个延迟箔在驱动状态下产生大约一半的显示单元的补偿。
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公开(公告)号：US5978055A
公开(公告)日：1999-11-02
申请号：US857128
申请日：1997-05-15
IPC分类号： G02F1/1335 , G02B5/30 , G02F1/13363
CPC分类号： G02F1/133632 , G02B5/3016 , G02F2413/105
摘要： A compensator (for example, for a liquid-crystal display device) comprising a retardation foil with a tilted optical main axis and, in addition, a second optically active layer, can be manufactured in a simple manner by providing the retardation foil and the second layer on different sides of a transparent support.
摘要翻译： 可以简单地制造包括具有倾斜的光学主轴的延迟膜和另外的第二光学活性层的补偿器（例如，用于液晶显示装置），通过提供延迟箔和第二 层在透明支架的不同侧面。
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公开(公告)号：US06638449B2
公开(公告)日：2003-10-28
申请号：US09757875
申请日：2001-01-10
IPC分类号： B29D1100
CPC分类号： G02B5/3016
摘要： A method for manufacturing a broadband cholesteric polarizer includes positioning a layer of reactive material; irradiating the layer of reactive material; directing, at a first side of the layer, a monochromatic beam of light of a given wavelength toward the layer; and detecting, at a second side of said layer, a detected intensity of light of the given wavelength coming from the layer.
摘要翻译： 制造宽带胆甾型偏振器的方法包括：定位一层反应性材料; 照射反应性材料层; 在所述层的第一侧上引导具有给定波长的单色光束朝向所述层; 以及在所述层的第二侧检测来自该层的给定波长的检测到的光强度。
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5.发明授权Illumination system using cholesteric polarizer, linear polarizer for such illumination system and display device comprising such as illumination system 失效使用胆甾型偏振器的照明系统，用于这种照明系统的线性偏振器和包括诸如照明系统的显示装置
公开(公告)号：US5825444A
公开(公告)日：1998-10-20
申请号：US752364
申请日：1996-11-19
IPC分类号： G02F1/1335 , F21V9/14 , G02B5/30 , G02F1/13357 , G02F1/13
CPC分类号： G02F1/13362 , G02B5/3016 , G02F1/133536 , G02F2001/133543
摘要： The Application relates to an illumination system comprising a fluorescent lamp and a broadband, cholesteric polarizer. Such a polarizer contains a layer of a polymeric material having a cholesteric order, which material is ordered in such a way that the axis of the molecular helix extends at right angles to the layer. The broadband character of the polarizer is obtained by causing the pitch of the molecular helix to increase from a minimum value at a first surface of the cholesteric layer to a maximum value at the second surface of the layer. In accordance with the invention, the polarizer should be positioned in the illumination system in such a manner that the cholesteric layer is directed towards the fluorescent lamp with its first surface. In addition, the value of the product p.sub.max.n.sub.e of the maximum value of the pitch in the cholesteric layer p.sub.max and of the extraordinary refractive index n.sub.e must range between 0.61 micron and 0.76 micron. By virtue of these measures, the illumination system has a surprisingly low viewing-angle dependence of the lightness and the color. The Application further relates to a linear polarizer for use in this illumination system as well as to a display device which comprises such a linear polarizer.
摘要翻译： 本申请涉及一种包括荧光灯和宽带胆甾型偏振器的照明系统。 这种偏振器包含具有胆甾醇阶的聚合材料层，该层以这样一种方式排列，使得分子螺旋的轴线与层成直角延伸。 通过使分子螺旋的间距从胆甾醇层的第一表面处的最小值增加到层的第二表面处的最大值来获得偏振器的宽带特征。 根据本发明，偏振器应该被定位在照明系统中，使得胆甾醇层以其第一表面指向荧光灯。 此外，胆甾醇层pmax和非常折射率ne的间距的最大值的乘积pmax.ne的值必须在0.61微米至0.76微米之间。 凭借这些措施，照明系统对亮度和颜色具有惊人的低视角依赖性。 该应用还涉及用于该照明系统的线性偏振器以及包括这种线性偏振器的显示装置。
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6.发明授权
公开(公告)号：US5798808A
公开(公告)日：1998-08-25
申请号：US791087
申请日：1997-01-29
IPC分类号： G02F1/1335 , G02F1/13363 , G02F1/13
CPC分类号： G02F1/133636
摘要： In a liquid crystal display device the number of grey levels is increased by means of a compensation foil comprising a layer having a cholesteric ordering with a helix pattern, in which the pitch of the helix is smaller than (0.26-0.31..DELTA.n) .mu.m, in which .DELTA.n is the optical anisotropy of the anisotropic layer. Moreover, the viewing angle dependence will be more symmetrical by patterning the cholesteric ordering.
摘要翻译： 在液晶显示装置中，通过补偿箔增加灰度级数，该补偿箔包括具有螺旋图案的胆甾醇排序的层，其中螺旋的间距小于（0.26-0.31，ΔTA）n m，其中DELTA n是各向异性层的光学各向异性。 此外，通过图案化胆甾醇排序，视角依赖性将更对称。
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公开(公告)号：US5688566A
公开(公告)日：1997-11-18
申请号：US602541
申请日：1996-02-20
IPC分类号： G02B5/30 , G02F1/1335 , G02F1/13363
CPC分类号： G02B5/3083 , G02F1/133632 , Y10T428/1036 , Y10T428/1041 , Y10T428/24777 , Y10T428/31938
摘要： A liquid crystal display cell having a compensation layer of (polymer) material deposited from the gaseous phase. To obtain a smaller angle dependence, the birefringence of the compensation layer is rendered complementary to that associated with a given voltage across the liquid crystal cell by giving the optical axis of the compensation layer an angle to the direction transverse to the cell.
摘要翻译： 具有从气相沉积的（聚合物）材料的补偿层的液晶显示单元。 为了获得更小的角度依赖性，通过使补偿层的光轴与横向于单元的方向成一角度，补偿层的双折射与与液晶单元两端的给定电压相关联的双折射互补。
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公开(公告)号：US06193937B1
公开(公告)日：2001-02-27
申请号：US09264911
申请日：1999-03-09
IPC分类号： B01J1908
CPC分类号： G02B5/3016
摘要： The Application describes a method and devices for manufacturing a broadband cholesteric polarizer having a well-defined bandwidth and edge position. To this end, a liquid-crystalline cholesterically ordered layer comprising reactive chiral monomers and reactive nematogenic monomers having a different reactivity is polymerized by exposure to radiation. The invention is characterized in that the intensity of the radiation is increased substantially, preferably by a factor of 10 or more, when a desired edge position of the band is reached. As a result, the bandwidth and edge position of the reflection band reached at that moment are frozen as it were. A monochromatic sensor can be used to determine whether said edge position has been reached, the wavelength used by the sensor corresponding to the wavelength of the desired edge position of the band. Broadband, cholesteric polarizers having a well-defined bandwidth and edge position can very advantageously be used in a display.
摘要翻译： 本申请描述了用于制造具有明确的带宽和边缘位置的宽带胆甾型偏振器的方法和装置。 为此，包含反应性手性单体和具有不同反应性的反应性起丝单体的液晶胆甾醇排序层通过暴露于辐射而聚合。 本发明的特征在于，当达到带的期望的边缘位置时，辐射的强度基本上增加，优选地增加10倍或更多倍。 结果，此时达到的反射带的带宽和边缘位置被冻结。 可以使用单色传感器来确定所述边缘位置是否已经达到，传感器使用的波长对应于所述带的期望边缘位置的波长。 具有良好定义的带宽和边缘位置的宽带胆甾型偏振器可以非常有利地用于显示器中。
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公开(公告)号：US5948831A
公开(公告)日：1999-09-07
申请号：US911078
申请日：1997-08-14
IPC分类号： C08F2/46 , G02B5/30 , G02F1/13 , G02F1/1335 , C09K19/36
CPC分类号： G02B5/3016
摘要： A liquid-crystalline cholesterically ordered layer comprising reactive chiral monomers and reactive nematogenic monomers having a different reactivity is polymerized by exposure to radiation. The intensity of the radiation is increased substantially, preferably by a factor of 10 or more, when a desired edge position of the band is reached. As a result, the bandwidth and edge position of the reflection band reached at that moment are frozen as it were. A monochromatic sensor can be used to determine whether said edge position has been reached, the wavelength used by the sensor corresponding to the wavelength of the desired edge position of the band. Broadband, cholesteric polarizers having a well-defined bandwidth and edge position can very advantageously be used in a display.
摘要翻译： 包含反应性手性单体和具有不同反应性的反应性起丝单体的液晶胆甾醇排序层通过暴露于辐射而聚合。 当达到期望的边缘位置时，辐射的强度基本上增加，优选为10倍或更多倍。 结果，此时达到的反射带的带宽和边缘位置被冻结。 可以使用单色传感器来确定所述边缘位置是否已经达到，传感器使用的波长对应于所述带的期望边缘位置的波长。 具有良好定义的带宽和边缘位置的宽带胆甾型偏振器可以非常有利地用于显示器中。
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10.发明授权Illumination system using a broadband cholesteric polarizer having its surface of maximum helix pitch face the radiation source 失效使用其具有最大螺旋节距表面的宽带胆甾型偏振器的照明系统面向辐射源
公开(公告)号：US5737044A
公开(公告)日：1998-04-07
申请号：US501330
申请日：1995-07-12
IPC分类号： G02F1/1335 , G02B5/30 , G02F1/13357
CPC分类号： G02F1/13362 , G02B5/3016 , G02F1/133536 , G02F2001/133543
摘要： An illumination system comprises a radiation source and a broadband, cholesteric polarizer. Such a polarizer includes a layer of a polymeric material having a cholesteric ordering, the material being ordered such that the axis of the molecular helix is oriented transversely to the layer. The broadband character of the polarizer is obtained by increasing the pitch of the molecular helix from a minimum value at a first surface of the cholesteric layer to a maximum value at the second surface of the layer. The polarizer must be positioned in the illumination system in such a manner that the second surface of the cholesteric layer faces the radiation source. By virtue thereof, the illumination system attains a surprisingly low viewing-angle dependence of the brightness and the colour. This property is further improved by using a quarter lambda plate having a negative an isotropy in the refractive index.
摘要翻译： 照明系统包括辐射源和宽带胆甾型偏振器。 这种偏振器包括具有胆甾醇排序的聚合材料层，该材料的排列使得分子螺旋的轴线横向于该层定向。 通过将分子螺旋线的间距从胆甾醇层的第一表面处的最小值增加到层的第二表面处的最大值，获得偏振器的宽带特性。 偏振器必须以使得胆甾醇层的第二表面面向辐射源的方式定位在照明系统中。 由此，照明系统获得令人惊讶的低视角依赖于亮度和颜色。 通过使用在折射率中具有负各向同性的四分之一的λ板，进一步改善了该性能。
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