公开(公告)号：US08134659B2

公开(公告)日：2012-03-13

申请号：US12994190

申请日：2009-04-20

申请人： Yuji Takahashi ,  Tetsuya Uesaka ,  Satoru Ikeda

发明人： Yuji Takahashi ,  Tetsuya Uesaka ,  Satoru Ikeda

IPC分类号： G02F1/1335 ,  G02B5/30

CPC分类号： G02F1/133634 ,  G02B5/3016 ,  G02B5/305 ,  G02F2001/133637 ,  G02F2413/04 ,  G02F2413/08 ,  G02F2413/12

摘要： The present invention provides an elliptical polarizer with excellent viewing angle characteristics. The elliptical polarizer comprises at least a first polarizer, a first optically anisotropic layer, a second optically anisotropic layer, and a third optically anisotropic layer, laminated in this order, the first optically anisotropic layer satisfying [1] 50≦Re1≦500, [2] 30≦Rth1≦750, and [3] 0.6≦Rth1/Re1≦1.5, the second optically anisotropic layer satisfying [4] 0≦Re2≦20 and [5] −500≦Rth2≦−30, and the third optically anisotropic layer satisfying [6] 100≦Re3≦180, [7] 50≦Rth3≦600, and [8] 0.5≦Rth3/Re3≦3.5, wherein Re indicates the retardation value in the plane of each optically anisotropic layer and Rth indicates the retardation value in the thickness direction of each optically anisotropic layer.

摘要翻译： 本发明提供一种具有优异的视角特性的椭圆偏振片。 所述椭圆偏振器至少包括第一光学各向异性层，第二光学各向异性层和第三光学各向异性层，所述第一光学各向异性层依次层叠，所述第一光学各向异性层满足[1] 50＆nlE; Re1＆nlE; 500， 2] 30＆nlE; Rth1＆nlE; 750和[3] 0.6＆nlE; Rth1 / Re1＆nlE; 1.5，满足[4] 0＆nlE;第二光学各向异性层; Re2＆nlE; 20和[5] -500和nlE; Rth2＆ 光学各向异性层满足[6] 100＆nlE; Re3＆nlE; 180，[7] 50＆nlE; Rth3＆nlE; 600和[8] 0.5＆nlE; Rth3 / Re3＆nlE; 3.5，其中Re表示每个光学各向异性层的平面中的延迟值， Rth表示各光学各向异性层的厚度方向的延迟值。

公开(公告)号：US07911570B2

公开(公告)日：2011-03-22

申请号：US12094295

申请日：2006-11-02

申请人： Tetsuya Uesaka ,  Satoru Ikeda

发明人： Tetsuya Uesaka ,  Satoru Ikeda

IPC分类号： G02F1/1335 ,  G02F1/1347

CPC分类号： G02F1/133632 ,  G02F1/133528 ,  G02F1/133634 ,  G02F2413/105

摘要： The present invention provides a liquid crystal display device comprising at least: a backlight; a polarizer; a first optically anisotropic layer with a retardation of 210 to 300 nm at a wavelength of 550 nm; a second optically anisotropic layer with a retardation of 50 to 140 nm at a wavelength of 550 nm; a third optically anisotropic layer with negative optical anisotropy; a liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates; a fourth optically anisotropic layer with a retardation of 50 to 140 nm at a wavelength of 550 nm; a first optically anisotropic layer with a retardation of 210 to 300 nm at a wavelength of 550 nm; and a polarizer, arranged in piles in this order from the backlight, the second optically anisotropic layer comprising at least a liquid crystal film with a fixed nematic hybrid liquid crystal orientation structure. The liquid crystal display device provides bright images and is high in contrast and less in viewing angle dependency.

摘要翻译： 本发明提供一种至少包括：背光源的液晶显示装置; 偏振片 第一光学各向异性层，波长为550nm时具有210至300nm的延迟; 第二光学各向异性层，波长为550nm时具有50-140nm的延迟; 具有负光学各向异性的第三光学各向异性层; 液晶单元包括彼此面对的上基板和下基板以及夹在上基板和下基板之间的液晶层; 第五光学各向异性层，波长为550nm时具有50-140nm的延迟; 第一光学各向异性层，波长为550nm时具有210至300nm的延迟; 以及偏振器，从背光依次排列成堆叠状态，第二光学各向异性层至少包括具有固定的向列型混合液晶取向结构的液晶膜。 液晶显示装置提供明亮的图像，对比度高，视角依赖性较小。

公开(公告)号：US20100085522A1

公开(公告)日：2010-04-08

申请号：US12514815

申请日：2007-10-30

申请人： Tetsuya Uesaka ,  Satoru Ikeda

发明人： Tetsuya Uesaka ,  Satoru Ikeda

IPC分类号： G02F1/13363

CPC分类号： G02B5/3033 ,  G02F1/13362 ,  G02F1/13363 ,  G02F2001/133633 ,  G02F2001/133738 ,  G02F2202/40 ,  G02F2413/03 ,  G02F2413/08 ,  G02F2413/105

摘要： The present invention provides a transparent liquid crystal display device which is less in display characteristics and viewing angle dependency and can provide bright images and high contrasts. The transparent liquid crystal display device comprises at least: a backlight; a polarizer; a second optical anisotropic layer with a retardation of 50 to 180 nm at a wavelength of 550 nm; a first optical anisotropic layer with a retardation of 20 to 140 nm at a wavelength of 550 nm; a homogeneously aligned liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates; a third optical anisotropic layer with a retardation of 50 to 200 nm at a wavelength of 550 nm; and a polarizer, arranged in piles in this order from the backlight, wherein the first optical anisotropic layer comprising at least a liquid crystal film with a fixed nematic hybrid liquid crystal alignment structure.

摘要翻译： 本发明提供一种透明液晶显示装置，其显示特性和视角依赖性较小，能够提供明亮的图像和高对比度。 透明液晶显示装置至少包括：背光源; 偏振片 在波长550nm下具有50至180nm的延迟的第二光学各向异性层; 第一光学各向异性层，波长为550nm时具有20至140nm的延迟; 均匀取向的液晶单元，其包括彼此面对的上基板和下基板以及夹在上基板和下基板之间的液晶层; 在波长550nm下具有50至200nm的延迟的第三光学各向异性层; 以及偏振器，其从所述背光依次排列成堆叠，其中所述第一光学各向异性层至少包括具有固定向列型混合液晶取向结构的液晶膜。

公开(公告)号：US20110063547A1

公开(公告)日：2011-03-17

申请号：US12994190

申请日：2009-04-20

申请人： Yuji Takahashi ,  Tetsuya Uesaka ,  Satoru Ikeda

发明人： Yuji Takahashi ,  Tetsuya Uesaka ,  Satoru Ikeda

IPC分类号： G02F1/1337

CPC分类号： G02F1/133634 ,  G02B5/3016 ,  G02B5/305 ,  G02F2001/133637 ,  G02F2413/04 ,  G02F2413/08 ,  G02F2413/12

摘要： The present invention provides an elliptical polarizer with excellent viewing angle characteristics. The elliptical polarizer comprises at least a first polarizer, a first optically anisotropic layer, a second optically anisotropic layer, and a third optically anisotropic layer, laminated in this order, the first optically anisotropic layer satisfying [1] 50≦Re1≦500, [2] 30≦Rth1≦750, and [3] 0.6≦Rth1/Re1≦1.5, the second optically anisotropic layer satisfying [4] 0≦Re2≦20 and [5] −500≦Rth2≦−30, and the third optically anisotropic layer satisfying [6] 100≦Re3≦180, [7] 50≦Rth3≦600, and [8] 0.5≦Rth3/Re3≦3.5, wherein Re indicates the retardation value in the plane of each optically anisotropic layer and Rth indicates the retardation value in the thickness direction of each optically anisotropic layer.

摘要翻译： 本发明提供一种具有优异的视角特性的椭圆偏振片。 所述椭圆偏振器至少包括第一光学各向异性层，第二光学各向异性层和第三光学各向异性层，所述第一光学各向异性层依次层叠，所述第一光学各向异性层满足[1] 50＆nlE; Re1＆nlE; 500， 2] 30＆nlE; Rth1＆nlE; 750和[3] 0.6＆nlE; Rth1 / Re1＆nlE; 1.5，满足[4] 0＆nlE;第二光学各向异性层; Re2＆nlE; 20和[5] -500和nlE; Rth2＆ 光学各向异性层满足[6] 100＆nlE; Re3＆nlE; 180，[7] 50＆nlE; Rth3＆nlE; 600和[8] 0.5＆nlE; Rth3 / Re3＆nlE; 3.5，其中Re表示每个光学各向异性层的平面中的延迟值， Rth表示各光学各向异性层的厚度方向的延迟值。

公开(公告)号：US20090185111A1

公开(公告)日：2009-07-23

申请号：US12094295

申请日：2006-11-02

申请人： Tetsuya Uesaka ,  Satoru Ikeda

发明人： Tetsuya Uesaka ,  Satoru Ikeda

IPC分类号： G02F1/1347 ,  G02F1/1335

CPC分类号： G02F1/133632 ,  G02F1/133528 ,  G02F1/133634 ,  G02F2413/105

摘要： The present invention provides a liquid crystal display device comprising at least: a backlight; a polarizer; a first optically anisotropic layer with a retardation of 210 to 300 nm at a wavelength of 550 nm; a second optically anisotropic layer with a retardation of 50 to 140 nm at a wavelength of 550 nm; a third optically anisotropic layer with negative optical anisotropy; a liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates; a fourth optically anisotropic layer with a retardation of 50 to 140 nm at a wavelength of 550 nm; a first optically anisotropic layer with a retardation of 210 to 300 nm at a wavelength of 550 nm; and a polarizer, arranged in piles in this order from the backlight, the second optically anisotropic layer comprising at least a liquid crystal film with a fixed nematic hybrid liquid crystal orientation structure. The liquid crystal display device provides bright images and is high in contrast and less in viewing angle dependency.

摘要翻译： 本发明提供一种至少包括：背光源的液晶显示装置; 偏振片 第一光学各向异性层，波长为550nm时具有210至300nm的延迟; 第二光学各向异性层，波长为550nm时具有50-140nm的延迟; 具有负光学各向异性的第三光学各向异性层; 液晶单元包括彼此面对的上基板和下基板以及夹在上基板和下基板之间的液晶层; 第五光学各向异性层，波长为550nm时具有50-140nm的延迟; 第一光学各向异性层，波长为550nm时具有210至300nm的延迟; 以及偏振器，从背光依次排列成堆叠状态，第二光学各向异性层至少包括具有固定的向列型混合液晶取向结构的液晶膜。 液晶显示装置提供明亮的图像，对比度高，视角依赖性较小。

公开(公告)号：US08179501B2

公开(公告)日：2012-05-15

申请号：US12674799

申请日：2008-08-18

申请人： Yuji Takahashi ,  Satoru Ikeda ,  Tetsuya Uesaka

发明人： Yuji Takahashi ,  Satoru Ikeda ,  Tetsuya Uesaka

IPC分类号： G02F1/1335

CPC分类号： G02B5/305 ,  G02F1/133528 ,  G02F1/13363

摘要： An elliptical polarizer is provided having excellent viewing angle improving effects. The elliptical polarizer includes a polarizer, a first optical anisotropic layer, and a second optical anisotropic layer, laminated in this order. The first optical anisotropic layer satisfies the requirements of 0.8≦NZ1≦1.6 and 120≦Re1≦250 and is disposed so that the slow axis thereof is orthogonal to the absorption axis of the polarizer. The second optical anisotropic layer is a liquid crystal film having a retardation value in the plane of 30 to 150 nm with respect to a 550 nm wavelength light and fixed in a nematic hybrid alignment wherein the average tilt angle of the liquid crystal molecules of a liquid crystalline polymer exhibiting a positive optical uniaxiality, and is disposed so that the aligned direction thereof is parallel to the absorption axis of the first polarizer. The elliptical polarizer is used in a TN type liquid crystal display device so that the second optical anisotropic layer is disposed on the liquid crystal cell side.

摘要翻译： 提供具有优异的视角改善效果的椭圆偏振器。 椭圆偏振器包括依次层叠的偏振器，第一光学各向异性层和第二光学各向异性层。 第一光学各向异性层满足0.8＆lt; NlE; NZ1＆nlE; 1.6和120＆nlE; Re1＆nlE250的要求，并且被设置为使得其慢轴与偏振器的吸收轴正交。 第二光学各向异性层是相对于550nm波长的光具有相对于550nm波长的光的30〜150nm的相位差值的液晶膜，并且以向列混合取向固定，其中液晶的液晶分子的平均倾斜角 表现出正的光学单轴性的结晶聚合物，并且被布置为使得其排列方向平行于第一偏振器的吸收轴。 在TN型液晶显示装置中使用椭圆偏振器，使得第二光学各向异性层设置在液晶单元侧。

公开(公告)号：US08045131B2

公开(公告)日：2011-10-25

申请号：US12514815

申请日：2007-10-30

申请人： Tetsuya Uesaka ,  Satoru Ikeda

发明人： Tetsuya Uesaka ,  Satoru Ikeda

IPC分类号： G02F1/1337

CPC分类号： G02B5/3033 ,  G02F1/13362 ,  G02F1/13363 ,  G02F2001/133633 ,  G02F2001/133738 ,  G02F2202/40 ,  G02F2413/03 ,  G02F2413/08 ,  G02F2413/105

摘要： The present invention provides a transparent liquid crystal display device which is less in display characteristics and viewing angle dependency and can provide bright images and high contrasts. The transparent liquid crystal display device comprises at least: a backlight; a polarizer; a second optical anisotropic layer with a retardation of 50 to 180 nm at a wavelength of 550 nm; a first optical anisotropic layer with a retardation of 20 to 140 nm at a wavelength of 550 nm; a homogeneously aligned liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates; a third optical anisotropic layer with a retardation of 50 to 200 nm at a wavelength of 550 nm; and a polarizer, arranged in piles in this order from the backlight, wherein the first optical anisotropic layer comprising at least a liquid crystal film with a fixed nematic hybrid liquid crystal alignment structure.

摘要翻译： 本发明提供一种透明液晶显示装置，其显示特性和视角依赖性较小，能够提供明亮的图像和高对比度。 透明液晶显示装置至少包括：背光源; 偏振片 在波长550nm下具有50至180nm的延迟的第二光学各向异性层; 第一光学各向异性层，波长为550nm时具有20至140nm的延迟; 均匀取向的液晶单元，其包括彼此面对的上基板和下基板以及夹在上基板和下基板之间的液晶层; 在波长550nm下具有50至200nm的延迟的第三光学各向异性层; 以及偏振器，其从所述背光依次排列成堆叠，其中所述第一光学各向异性层至少包括具有固定向列型混合液晶取向结构的液晶膜。

公开(公告)号：US20090284689A1

公开(公告)日：2009-11-19

申请号：US12094404

申请日：2007-02-27

申请人： Satoru Ikeda ,  Tetsuya Uesaka

发明人： Satoru Ikeda ,  Tetsuya Uesaka

IPC分类号： G02F1/1347

CPC分类号： G02F1/133632 ,  G02F2001/1398 ,  G02F2413/02 ,  G02F2413/07 ,  G02F2413/105

摘要： The present invention provides a transmissive liquid crystal display device which is less in variation in displaying characteristics, bright in displaying image, high in contrast and less in viewing angle dependency. The liquid crystal display comprises at least a specific first optically anisotropic layer with a fixed nematic hybrid orientation structure and a specific second optically anisotropic layer.

摘要翻译： 本发明提供一种透射型液晶显示装置，其显示特性的变化较小，显示图像明亮，对比度高，视角依赖性较小。 液晶显示器至少包括具有固定的向列混合取向结构和特定的第二光学各向异性层的特定的第一光学各向异性层。

公开(公告)号：US08018552B2

公开(公告)日：2011-09-13

申请号：US12602584

申请日：2008-01-29

申请人： Satoru Ikeda ,  Tetsuya Uesaka

发明人： Satoru Ikeda ,  Tetsuya Uesaka

IPC分类号： G02F1/1347

CPC分类号： G02F1/13363 ,  G02F1/1393 ,  G02F2001/133633 ,  G02F2001/133637 ,  G02F2001/133738 ,  G02F2202/40 ,  G02F2413/02 ,  G02F2413/105 ,  G02F2413/13

摘要： The present invention provides a transmissive liquid crystal display device which is less in display characteristics fluctuations, bright in display images, high in contrast and less in viewing angle dependency and comprises a backlight, a polarizer, a second optically anisotropic layer, a first optically anisotropic layer, a homogeneously aligned liquid crystal cell comprising upper and lower substrates facing each other and a liquid crystal layer sandwiched between the upper and lower substrates, and a polarizer, arranged in piles in this order from the backlight, wherein a liquid crystal film forming the first optically anisotropic layer, a liquid crystal film forming the second optically anisotropic layer and the liquid crystal cell have a predetermined relationship in the wavelength dispersion of birefringence, the first optically anisotropic layer, the second optically anisotropic layer and the liquid crystal cell upon application of an electric voltage for black image display, have a predetermined relationship in retardation, and the first optically anisotropic layer comprises a liquid crystal film with a fixed nematic hybrid orientation.

摘要翻译： 本发明提供一种透射型液晶显示装置，其显示特性波动小，显示图像亮，对比度高，视角依赖性小，包括背光源，偏振片，第二光学各向异性层，第一光学各向异性层 层，均匀取向的液晶单元，其包括彼此面对的上基板和下基板以及夹在上基板和下基板之间的液晶层，以及偏振器，其从背光依次布置成堆叠，其中形成 第一光学各向异性层，形成第二光学各向异性层的液晶膜和液晶单元在应用双折射波长色散，第一光学各向异性层，第二光学各向异性层和液晶单元时具有预定关系 用于黑色图像显示的电压，h 具有预定的延迟关系，并且第一光学各向异性层包括具有固定的向列混合取向的液晶膜。

公开(公告)号：US07898620B2

公开(公告)日：2011-03-01

申请号：US12094404

申请日：2007-02-27

申请人： Satoru Ikeda ,  Tetsuya Uesaka

发明人： Satoru Ikeda ,  Tetsuya Uesaka

IPC分类号： G02F1/1335

CPC分类号： G02F1/133632 ,  G02F2001/1398 ,  G02F2413/02 ,  G02F2413/07 ,  G02F2413/105

摘要： The present invention provides a transmissive liquid crystal display device which is less in variation in displaying characteristics, bright in displaying image, high in contrast and less in viewing angle dependency. The liquid crystal display comprises at least a specific first optically anisotropic layer with a fixed nematic hybrid orientation structure and a specific second optically anisotropic layer.

摘要翻译： 本发明提供一种透射型液晶显示装置，其显示特性的变化较小，显示图像明亮，对比度高，视角依赖性较小。 液晶显示器至少包括具有固定的向列混合取向结构和特定的第二光学各向异性层的特定的第一光学各向异性层。