JP2000284126A5 - - Google Patents

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JP2000284126A5
JP2000284126A5 JP1999217547A JP21754799A JP2000284126A5 JP 2000284126 A5 JP2000284126 A5 JP 2000284126A5 JP 1999217547 A JP1999217547 A JP 1999217547A JP 21754799 A JP21754799 A JP 21754799A JP 2000284126 A5 JP2000284126 A5 JP 2000284126A5
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optically anisotropic
anisotropic layer
wavelength
retardation
retardation value
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JP3734211B2 (en
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Priority to US10/119,149 priority patent/US6593984B2/en
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(7)光学異方性層Aの遅相軸と光学異方性層Bの遅相軸との角度が50°乃至70°である(1)または(2)に記載の位相差板。
(8)波長550nmにおける光学異方性層Aのレターデーション値が250乃至300nmであり、波長550nmにおける光学異方性層Bのレターデーション値が125乃至150nmである(1)または(2)に記載の位相差板。
(9)波長550nmにおけるレターデーション値が210乃至300nmである光学異方性層Aと波長550nmにおけるレターデーション値が115乃至150nmである光学異方性層Bとを積層することにより、波長450nm、550nmおよび650nmで測定したレターデーション値/波長の値が、いずれも0.2乃至0.3の範囲内である位相差板に、さらに偏光膜が積層されている円偏光板であって、光学異方性層Aおよび光学異方性層Bの一方がポリマーフイルムからなり、他方が液晶性分子を含む層からなることを特徴とする円偏光板。
(10)波長550nmにおけるレターデーション値が210乃至300nmである光学異方性層Aと波長550nmにおけるレターデーション値が115乃至150nmである光学異方性層Bとを積層することにより、波長450nm、550nmおよび650nmで測定したレターデーション値/波長の値が、いずれも0.2乃至0.3の範囲内である位相差板に、さらに偏光膜が積層されている円偏光板であって、光学異方性層Aおよび光学異方性層Bが、いずれも液晶性分子を含む層からなることを特徴とする円偏光板。
(11)反射板、液晶セルおよび偏光膜がこの順に積層されている反射型液晶表示装置であって、さらに、波長550nmにおけるレターデーション値が210乃至300nmである光学異方性層Aと波長550nmにおけるレターデーション値が115乃至150nmである光学異方性層Bとが反射板と偏光膜との間に配置されており、光学異方性層AとBは、積層すると波長450nm、550nmおよび650nmで測定したレターデーション値/波長の値が、いずれも0.2乃至0.3の範囲内となる光学的性質を有し、光学異方性層Aおよび光学異方性層Bの一方がポリマーフイルムからなり、他方が液晶性分子を含む層からなることを特徴とする反射型液晶表示装置。
(12)反射板、液晶セルおよび偏光膜がこの順に積層されている反射型液晶表示装置であって、さらに、波長550nmにおけるレターデーション値が210乃至300nmである光学異方性層Aと波長550nmにおけるレターデーション値が115乃至150nmである光学異方性層Bとが反射板と偏光膜との間に配置されており、光学異方性層AとBは、積層すると波長450nm、550nmおよび650nmで測定したレターデーション値/波長の値が、いずれも0.2乃至0.3の範囲内となる光学的性質を有し、光学異方性層Aおよび光学異方性層Bが、いずれも液晶性分子を含む層からなることを特徴とする反射型液晶表示装置。
(7) The retardation plate according to (1) or (2), wherein the angle between the slow axis of the optically anisotropic layer A and the slow axis of the optically anisotropic layer B is 50 ° to 70 °.
(8) The retardation value of the optically anisotropic layer A at a wavelength of 550 nm is 250 to 300 nm, and the retardation value of the optically anisotropic layer B at a wavelength of 550 nm is 125 to 150 nm (1) or (2). The retardation plate described.
(9) By laminating an optically anisotropic layer A having a retardation value of 210 to 300 nm at a wavelength of 550 nm and an optically anisotropic layer B having a retardation value of 115 to 150 nm at a wavelength of 550 nm, the wavelength is 450 nm. A circular polarizing plate in which a polarizing film is further laminated on a retardation plate in which the retardation value / wavelength value measured at 550 nm and 650 nm are both in the range of 0.2 to 0.3, and is optical. A circularly polarizing plate characterized in that one of the anisotropic layer A and the optically anisotropic layer B is composed of a polymer film, and the other is composed of a layer containing a liquid crystal molecule.
(10) By laminating an optically anisotropic layer A having a retardation value of 210 to 300 nm at a wavelength of 550 nm and an optically anisotropic layer B having a retardation value of 115 to 150 nm at a wavelength of 550 nm, the wavelength is 450 nm. A circular polarizing plate in which a polarizing film is further laminated on a retardation plate in which the retardation value / wavelength value measured at 550 nm and 650 nm are both in the range of 0.2 to 0.3, and is optical. A circularly polarizing plate in which both the anisotropic layer A and the optically anisotropic layer B are composed of a layer containing a liquid crystal molecule.
(11) A reflective liquid crystal display device in which a reflecting plate, a liquid crystal cell, and a polarizing film are laminated in this order, and further, an optically anisotropic layer A having a retardation value of 210 to 300 nm at a wavelength of 550 nm and a wavelength of 550 nm. The optically anisotropic layer B having a retardation value of 115 to 150 nm is arranged between the reflecting plate and the polarizing film, and the optically anisotropic layers A and B have wavelengths of 450 nm, 550 nm and 650 nm when laminated. The retardation value / wavelength value measured in 1 has an optical property in the range of 0.2 to 0.3, and one of the optically anisotropic layer A and the optically anisotropic layer B is a polymer. A reflective liquid crystal display device comprising a film and a layer containing liquid crystal molecules on the other side.
(12) A reflective liquid crystal display device in which a reflecting plate, a liquid crystal cell, and a polarizing film are laminated in this order, and further, an optically anisotropic layer A having a retardation value of 210 to 300 nm at a wavelength of 550 nm and a wavelength of 550 nm. The optically anisotropic layer B having a retardation value of 115 to 150 nm is arranged between the reflecting plate and the polarizing film, and the optically anisotropic layers A and B have wavelengths of 450 nm, 550 nm and 650 nm when laminated. The retardation value / wavelength value measured in 1 has an optical property in the range of 0.2 to 0.3, and both the optically anisotropic layer A and the optically anisotropic layer B have optical properties. A reflective liquid crystal display device comprising a layer containing liquid crystal molecules.

Claims (12)

波長550nmにおけるレターデーション値が210乃至300nmである光学異方性層Aと波長550nmにおけるレターデーション値が115乃至150nmである光学異方性層Bとを積層することにより、波長450nm、550nmおよび650nmで測定したレターデーション値/波長の値が、いずれも0.2乃至0.3の範囲内である位相差板であって、光学異方性層Aおよび光学異方性層Bの一方がポリマーフイルムからなり、他方が液晶性分子から形成された層からなることを特徴とする位相差板。  By laminating the optically anisotropic layer A having a retardation value of 210 to 300 nm at a wavelength of 550 nm and the optically anisotropic layer B having a retardation value of 115 to 150 nm at a wavelength of 550 nm, the wavelengths of 450 nm, 550 nm and 650 nm are obtained. The retardation value / wavelength value measured in step 1 is a retardation plate in the range of 0.2 to 0.3, and one of the optically anisotropic layer A and the optically anisotropic layer B is a polymer. A phase difference plate comprising a film and the other layer comprising a liquid crystal molecule. 波長550nmにおけるレターデーション値が210乃至300nmである光学異方性層Aと波長550nmにおけるレターデーション値が115乃至150nmである光学異方性層Bとを積層することにより、波長450nm、550nmおよび650nmで測定したレターデーション値/波長の値が、いずれも0.2乃至0.3の範囲内である位相差板であって、光学異方性層Aおよび光学異方性層Bが、いずれも液晶性分子から形成された層からなることを特徴とする位相差板。  By laminating the optically anisotropic layer A having a retardation value of 210 to 300 nm at a wavelength of 550 nm and the optically anisotropic layer B having a retardation value of 115 to 150 nm at a wavelength of 550 nm, the wavelengths of 450 nm, 550 nm and 650 nm are obtained. The retardation value / wavelength value measured in (1) are both in the range of 0.2 to 0.3, and the optically anisotropic layer A and the optically anisotropic layer B are both A phase difference plate comprising a layer formed of liquid crystal molecules. 光学異方性層の液晶性分子が実質的に均一に配向している請求項1または2に記載の位相差板。  The phase difference plate according to claim 1, wherein the liquid crystalline molecules of the optically anisotropic layer are substantially uniformly aligned. 光学異方性層の液晶性分子が実質的に均一に配向している状態で固定されている請求項3に記載の位相差板。  The phase difference plate according to claim 3, wherein the liquid crystal molecules of the optically anisotropic layer are fixed in a substantially uniformly oriented state. 重合反応により液晶性分子が固定されている請求項4に記載の位相差板。  The retardation plate according to claim 4, wherein liquid crystal molecules are fixed by a polymerization reaction. 光学異方性層の液晶性分子が、ディスコティック液晶性分子であって、ディスコティック液晶性分子がポリマーフイルム面に対して実質的に垂直に配向している請求項1または2に記載の位相差板。  The position according to claim 1 or 2, wherein the liquid crystalline molecules of the optically anisotropic layer are discotic liquid crystalline molecules, and the discotic liquid crystalline molecules are aligned substantially perpendicular to the polymer film plane. Phase difference plate. 光学異方性層Aの遅相軸と光学異方性層Bの遅相軸との角度が50°乃至70°である請求項1または2に記載の位相差板。The phase difference plate according to claim 1 or 2, wherein an angle between a slow axis of the optically anisotropic layer A and a slow axis of the optically anisotropic layer B is 50 ° to 70 °. 波長550nmにおける光学異方性層Aのレターデーション値が250乃至300nmであり、波長550nmにおける光学異方性層Bのレターデーション値が125乃至150nmである請求項1または2に記載の位相差板。The retardation plate according to claim 1 or 2, wherein the retardation value of the optically anisotropic layer A at a wavelength of 550 nm is 250 to 300 nm, and the retardation value of the optically anisotropic layer B at a wavelength of 550 nm is 125 to 150 nm. . 波長550nmにおけるレターデーション値が210乃至300nmである光学異方性層Aと波長550nmにおけるレターデーション値が115乃至150nmである光学異方性層Bとを積層することにより、波長450nm、550nmおよび650nmで測定したレターデーション値/波長の値が、いずれも0.2乃至0.3の範囲内である位相差板に、さらに偏光膜が積層されている円偏光板であって、光学異方性層Aおよび光学異方性層Bの一方がポリマーフイルムからなり、他方が液晶性分子を含む層からなることを特徴とする円偏光板。By laminating the optically anisotropic layer A having a retardation value of 210 to 300 nm at a wavelength of 550 nm and the optically anisotropic layer B having a retardation value of 115 to 150 nm at a wavelength of 550 nm, the wavelengths of 450 nm, 550 nm and 650 nm are obtained. The retardation value / wavelength value measured in (1) is a circularly polarizing plate in which a polarizing film is further laminated on a retardation plate that is in the range of 0.2 to 0.3, and has optical anisotropy. One of layer A and optically anisotropic layer B consists of a polymer film, and the other consists of a layer containing a liquid crystalline molecule, The circularly-polarizing plate characterized by the above-mentioned. 波長550nmにおけるレターデーション値が210乃至300nmである光学異方性層Aと波長550nmにおけるレターデーション値が115乃至150nmである光学異方性層Bとを積層することにより、波長450nm、550nmおよび650nmで測定したレターデーション値/波長の値が、いずれも0.2乃至0.3の範囲内である位相差板に、さらに偏光膜が積層されている円偏光板であって、光学異方性層Aおよび光学異方性層Bが、いずれも液晶性分子を含む層からなることを特徴とする円偏光板。By laminating the optically anisotropic layer A having a retardation value of 210 to 300 nm at a wavelength of 550 nm and the optically anisotropic layer B having a retardation value of 115 to 150 nm at a wavelength of 550 nm, the wavelengths of 450 nm, 550 nm and 650 nm are obtained. The retardation value / wavelength value measured in (1) is a circularly polarizing plate in which a polarizing film is further laminated on a retardation plate that is in the range of 0.2 to 0.3, and has optical anisotropy. The circularly polarizing plate, wherein the layer A and the optically anisotropic layer B are each composed of a layer containing liquid crystalline molecules. 反射板、液晶セルおよび偏光膜がこの順に積層されている反射型液晶表示装置であって、さらに、波長550nmにおけるレターデーション値が210乃至300nmである光学異方性層Aと波長550nmにおけるレターデーション値が115乃至150nmである光学異方性層Bとが反射板と偏光膜との間に配置されており、光学異方性層AとBは、積層すると波長450nm、550nmおよび650nmで測定したレターデーション値/波長の値が、いずれも0.2乃至0.3の範囲内となる光学的性質を有し、光学異方性層Aおよび光学異方性層Bの一方がポリマーフイルムからなり、他方が液晶性分子を含む層からなることを特徴とする反射型液晶表示装置。A reflective liquid crystal display device in which a reflector, a liquid crystal cell, and a polarizing film are laminated in this order, and further an optically anisotropic layer A having a retardation value of 210 to 300 nm at a wavelength of 550 nm and a retardation at a wavelength of 550 nm An optically anisotropic layer B having a value of 115 to 150 nm is disposed between the reflector and the polarizing film, and the optically anisotropic layers A and B are measured at wavelengths of 450 nm, 550 nm and 650 nm when laminated. Each of the retardation values / wavelength values has an optical property within a range of 0.2 to 0.3, and one of the optically anisotropic layer A and the optically anisotropic layer B is made of a polymer film. A reflective liquid crystal display device, wherein the other comprises a layer containing liquid crystalline molecules. 反射板、液晶セルおよび偏光膜がこの順に積層されている反射型液晶表示装置であって、さらに、波長550nmにおけるレターデーション値が210乃至300nmである光学異方性層Aと波長550nmにおけるレターデーション値が115乃至150nmである光学異方性層Bとが反射板と偏光膜との間に配置されており、光学異方性層AとBは、積層すると波長450nm、550nmおよび650nmで測定したレターデーション値/波長の値が、いずれも0.2乃至0.3の範囲内となる光学的性質を有し、光学異方性層Aおよび光学異方性層Bが、いずれも液晶性分子を含む層からなることを特徴とする反射型液晶表示装置。A reflective liquid crystal display device in which a reflector, a liquid crystal cell, and a polarizing film are laminated in this order, and further, an optically anisotropic layer A having a retardation value of 210 to 300 nm at a wavelength of 550 nm and a retardation at a wavelength of 550 nm An optically anisotropic layer B having a value of 115 to 150 nm is disposed between the reflector and the polarizing film, and the optically anisotropic layers A and B are measured at wavelengths of 450 nm, 550 nm and 650 nm when laminated. The retardation value / wavelength value both have optical properties within the range of 0.2 to 0.3, and the optically anisotropic layer A and the optically anisotropic layer B are both liquid crystalline molecules. A reflective liquid crystal display device comprising a layer containing
JP21754799A 1998-11-06 1999-07-30 Retardation plate, circularly polarizing plate, and reflective liquid crystal display device Expired - Lifetime JP3734211B2 (en)

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JP21754799A JP3734211B2 (en) 1999-01-27 1999-07-30 Retardation plate, circularly polarizing plate, and reflective liquid crystal display device
US09/435,620 US6400433B1 (en) 1998-11-06 1999-11-08 Circularly polarizing plate comprising linearly polarizing membrane and quarter wave plate
US10/119,149 US6593984B2 (en) 1998-11-06 2002-04-10 Quarter wave plate comprising two optically anisotropic layers

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JP11-18900 1999-01-27
JP21754799A JP3734211B2 (en) 1999-01-27 1999-07-30 Retardation plate, circularly polarizing plate, and reflective liquid crystal display device

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