公开(公告)号：US5995180A

公开(公告)日：1999-11-30

申请号：US98970

申请日：1998-06-17

申请人： Hiroyuki Moriwaki ,  Kazuya Yoshimura ,  Takeyuki Ashida

发明人： Hiroyuki Moriwaki ,  Kazuya Yoshimura ,  Takeyuki Ashida

IPC分类号： G02B5/30 ,  G02F1/1335 ,  G09F9/35

CPC分类号： G02F1/133528

摘要： A liquid crystal display having high brightness and high contrast and being able to achieve a paper-white appearance is provided. The liquid crystal cell is interposed between a pair of polarizing plates. The upper polarizing plate separates an incident light into a reflected light and a transmitted light. A light which would be absorbed when the dichroic polarizing plate is used, is utilized as a reflected light, so that a high brightness can be obtained. The lower polarizing plate partly transmits incident light and absorbs the remaining part. A reflected light from the lower polarizing plate is removed, so that the possible occurrence of a reduction in contrast attributed to the phenomenon that the reflected light is reflected on the upper polarizing plate is prevented. The upper polarizing plate has a flat spectral characteristic with regard to the reflected light and the transmitted light, and a* value and b* value of which plate are each smaller than 1. Therefore, no coloring occurs in the reflected light and the transmitted light at the upper polarizing plate, so that the paper-white appearance can be easily achieved.

摘要翻译： 提供了具有高亮度和高对比度并且能够实现纸白色外观的液晶显示器。 液晶单元插入在一对偏光板之间。 上偏振片将入射光分离为反射光和透射光。 当使用二向色偏光板时将被吸收的光被用作反射光，从而可以获得高亮度。 下偏振片部分地透射入射光并吸收剩余部分。 去除来自下偏振板的反射光，从而防止了由反射光在上偏振板上反射的现象造成的对比度降低的可能性。 上偏振板相对于反射光和透射光具有平坦的光谱特性，并且其板的*值和b *值均小于1.因此，在反射光和透射光中不发生着色 在上偏振片处，从而可以容易地实现纸白色的外观。

公开(公告)号：US20120162581A1

公开(公告)日：2012-06-28

申请号：US13393926

申请日：2010-06-14

申请人： Takeyuki Ashida ,  Yasuhiko Sugihara

发明人： Takeyuki Ashida ,  Yasuhiko Sugihara

IPC分类号： G02F1/1335

CPC分类号： G02F1/13363 ,  G02B5/3016 ,  G02F1/1393 ,  G02F2203/30 ,  G02F2413/02 ,  G02F2413/03 ,  G02F2413/05 ,  G02F2413/06 ,  G02F2413/07 ,  G02F2413/105

摘要： The present invention provides a liquid crystal display device exhibiting an excellent gray scale inversion characteristic in a state where a color close to black is displayed. The present invention is a liquid crystal display device including a first polarizer, a second polarizer disposed to face the first polarizer, a liquid crystal display panel provided between the first polarizer and the second polarizer, and a first phase plate and a second phase plate provided between the first or second polarizer and the liquid crystal display panel. In the liquid crystal display device, the liquid crystal display panel has a pair of substrates disposed to face each other and a liquid crystal layer sandwiched between the pair of substrates, the liquid crystal layer includes a homogeneously aligned liquid crystal molecule, the first phase plate includes a liquid crystal film, the liquid crystal film is formed by being set in a state where a nematic liquid crystal is hybrid-aligned, and a specific phase difference as a phase difference in a perpendicular direction of a member which is present between the first and second polarizers, excluding the liquid crystal layer and the first phase plate, is 120 nm or more.

摘要翻译： 本发明提供一种在显示接近黑色的状态下表现出优异的灰度反转特性的液晶显示装置。 本发明是一种液晶显示装置，包括第一偏振器，设置成面对第一偏振器的第二偏振器，设置在第一偏振器和第二偏振器之间的液晶显示面板，以及第一相位板和第二相位板， 在第一或第二偏振器和液晶显示面板之间。 在液晶显示装置中，液晶显示面板具有彼此相对配置的一对基板和夹在一对基板之间的液晶层，液晶层包括均匀排列的液晶分子，第一相位板 包括液晶膜，通过将向列液晶混合排列的状态设定为液晶膜，形成特定的相位差，作为存在于第一 除了液晶层和第一相位板之外的第二偏振器为120nm以上。

公开(公告)号：US6122026A

公开(公告)日：2000-09-19

申请号：US877521

申请日：1997-06-17

申请人： Tomoo Takatani ,  Takeyuki Ashida

发明人： Tomoo Takatani ,  Takeyuki Ashida

IPC分类号： G02B5/02 ,  G02B5/30 ,  G02F1/133 ,  G02F1/1335 ,  G02F1/13363 ,  G02F1/139 ,  G02F1/13

CPC分类号： G02F1/13363 ,  G02F1/133504 ,  G02F1/1397 ,  G02F2413/02 ,  G02F2413/08 ,  G02F2413/12

摘要： A sufficiently wide viewing angle characteristic is obtained while a sufficient front contrast is ensured. With respect to the light transmitted by a polarizing plate and a phase difference plate before exiting from a liquid crystal display device, the viewing angle in the 12-6 o'clock direction is improved by a phase difference plate. By a light diffusing plate, a sufficient front contrast is ensured by causing the light to exit in the direction of the normal and the light is diffused in the 9-3 o'clock direction where the viewing angle is not improved by the phase difference plate. In the case where the light diffusing plate has a double refractivity, the liquid crystal display apparatus is arranged so that the light is transmitted by the light diffusing plate after transmitted by a polarizing plate. In the case where the light diffusing plate has no double refractivity, the liquid crystal display apparatus is arranged so that the light is transmitted by the polarizing plate after transmitted by the light diffusing plate.

摘要翻译： 在确保足够的正面对比度的同时获得足够宽的视角特性。 对于从液晶显示装置射出之前由偏光板和相位差板透射的光，通过相位差板改善12-6点钟方向的视角。 通过光扩散板，通过使光沿法线方向退出并且光在相位差板没有改善视角的9-3点钟方向上扩散，从而确保足够的前方对比度 。 在光漫射板具有双重折射率的情况下，液晶显示装置被布置成使得光被透射后的偏振片透过。 在光扩散板不具有双重折射率的情况下，液晶显示装置被布置成使得光在被光扩散板透射之后被偏振片透射。

公开(公告)号：US20110141409A1

公开(公告)日：2011-06-16

申请号：US13002061

申请日：2009-04-20

申请人： Takeyuki Ashida

发明人： Takeyuki Ashida

IPC分类号： G02F1/1335 ,  G02B5/30

CPC分类号： G02F1/133528 ,  G02B5/3033 ,  G02F2201/50 ,  G02F2202/28

摘要： The present invention provides a polarizer and a display device, which can be easily produced and made thinner, and production methods thereof. The polarizer of the present invention relates to a polarizer including a polarizing film, wherein the polarizer further includes: a first adhesion layer which is formed of a cured adhesive and is laminated on one of main faces of the polarizing film, and a first protective layer which is laminated on a main face of the first adhesion layer on the side opposite to the polarizing film and has easy peelability at least in the main face thereof at the side of the first adhesion layer.

摘要翻译： 本发明提供一种可以容易地制造和制造更薄的偏振器和显示装置及其制造方法。 本发明的偏振片涉及一种包括偏光膜的偏振片，其中偏振片还包括：第一粘附层，其由固化粘合剂形成，层压在偏振膜的一个主表面上，第一保护层 其层叠在与偏振膜相反的一侧的第一粘合层的主面上，并且至少在其第一粘合层侧的主面易于剥离。

公开(公告)号：US06661487B2

公开(公告)日：2003-12-09

申请号：US10161630

申请日：2002-06-05

申请人： Naoki Takahashi ,  Satoru Kawahara ,  Shoji Sugiura ,  Takeyuki Ashida ,  Takio Imai

发明人： Naoki Takahashi ,  Satoru Kawahara ,  Shoji Sugiura ,  Takeyuki Ashida ,  Takio Imai

IPC分类号： G02F11335

CPC分类号： G02F1/1335 ,  G02F1/133528 ,  G02F1/13363 ,  G02F2001/133507 ,  G02F2202/28

摘要： A method of producing a laminated optical film constituted by a laminate of a plurality of optical films different in area, the method including the steps of: laminating an optical film (B) having a plurality of rectangular holes parallel to one another, on at least one surface of an optical film (A) to thereby form a laminate; and cutting the laminate into a plurality of chips to thereby obtain laminated optical films.

公开(公告)号：US08749740B2

公开(公告)日：2014-06-10

申请号：US13393926

申请日：2010-06-14

申请人： Takeyuki Ashida ,  Yasuhiko Sugihara

发明人： Takeyuki Ashida ,  Yasuhiko Sugihara

IPC分类号： G02F1/1335

CPC分类号： G02F1/13363 ,  G02B5/3016 ,  G02F1/1393 ,  G02F2203/30 ,  G02F2413/02 ,  G02F2413/03 ,  G02F2413/05 ,  G02F2413/06 ,  G02F2413/07 ,  G02F2413/105

摘要： The present invention provides a liquid crystal display device exhibiting an excellent gray scale inversion characteristic in a state where a color close to black is displayed. The present invention is a liquid crystal display device including a first polarizer, a second polarizer disposed to face the first polarizer, a liquid crystal display panel provided between the first polarizer and the second polarizer, and a first phase plate and a second phase plate provided between the first or second polarizer and the liquid crystal display panel. In the liquid crystal display device, the liquid crystal display panel has a pair of substrates disposed to face each other and a liquid crystal layer sandwiched between the pair of substrates, the liquid crystal layer includes a homogeneously aligned liquid crystal molecule, the first phase plate includes a liquid crystal film, the liquid crystal film is formed by being set in a state where a nematic liquid crystal is hybrid-aligned, and a specific phase difference as a phase difference in a perpendicular direction of a member which is present between the first and second polarizers, excluding the liquid crystal layer and the first phase plate, is 120 nm or more.

摘要翻译： 本发明提供一种在显示接近黑色的状态下表现出优异的灰度反转特性的液晶显示装置。 本发明是一种液晶显示装置，包括第一偏振器，设置成面对第一偏振器的第二偏振器，设置在第一偏振器和第二偏振器之间的液晶显示面板，以及第一相位板和第二相位板， 在第一或第二偏振器和液晶显示面板之间。 在液晶显示装置中，液晶显示面板具有彼此相对配置的一对基板和夹在一对基板之间的液晶层，液晶层包括均匀排列的液晶分子，第一相位板 包括液晶膜，通过将向列液晶混合排列的状态设定为液晶膜，形成特定的相位差，作为存在于第一 除了液晶层和第一相位板之外的第二偏振器为120nm以上。

公开(公告)号：US07019803B2

公开(公告)日：2006-03-28

申请号：US10845698

申请日：2004-05-14

申请人： Takeyuki Ashida ,  Kimitaka Nomura

发明人： Takeyuki Ashida ,  Kimitaka Nomura

IPC分类号： G02F1/1333

CPC分类号： G02F1/133536 ,  G02F1/133514 ,  G02F1/133555 ,  G02F2201/17

摘要： A color liquid crystal display panel includes: a first substrate provided on a light source side; a second substrate provided on a viewer side so as to oppose the first substrate; a liquid crystal layer provided between the first substrate and the second substrate; a color filter layer provided between the first substrate and the second substrate; a first transflective film provided closer to the light source than the liquid crystal layer and the color filter layer for reflecting ambient light coming from the viewer side while transmitting therethrough light-source light coming from the light source side; and a second transflective film provided closer to the viewer than the color filter layer for reflecting the ambient light while transmitting therethrough the light-source light.

摘要翻译： 彩色液晶显示面板包括：设置在光源侧的第一基板; 设置在观察者侧以与第一基板相对的第二基板; 设置在所述第一基板和所述第二基板之间的液晶层; 设置在所述第一基板和所述第二基板之间的滤色器层; 与液晶层相比更靠近光源设置的第一透反射膜和用于反射来自观察者侧的环境光的滤色器层，同时透射来自光源侧的光源光; 以及第二透反射膜，其比滤色器层更靠近观察者，用于在透射光源光的同时反射环境光。