公开(公告)号：EP0898841B1

公开(公告)日：2007-07-11

申请号：EP97926547.7

申请日：1997-05-14

申请人： Colorlink, Inc.

发明人： Sharp, Gary D. ,  Johnson, Kristina M.

IPC分类号： H04N9/31 ,  H04N5/74 ,  G02F1/1347

CPC分类号： G02F1/1336 ,  G02F1/0136 ,  G02F1/0322 ,  G02F1/09 ,  G02F1/133533 ,  G02F1/133536 ,  G02F1/13363 ,  G02F1/13473 ,  G02F1/23 ,  G02F2001/133543 ,  G02F2001/133638 ,  G02F2413/04 ,  G02F2413/08 ,  H04N5/66 ,  H04N5/7441 ,  H04N9/3111 ,  H04N9/3126 ,  H04N9/3167

摘要： The present invention provides a high brightness subtractive color filter formed by an electro-optic modulator (10) positioned between two retarder stacks (20 and 30). The second retarder stack (30) echoes the first retarder stack (20), having the same sequence of retardances but in reverse order and having an orientation rotated with respect to the first stack (20). The modulator (10) changes the apparent orientation of the second stack (30) so that, in a first switching state of the modulator (10), the two stacks cooporate in filtering the spectrum of input light, and in a second switching state they vanish, leaving white light. Two or more stages can be used in series, each stage providing independent analog control of a primary color. One preferred embodiment eliminates internal polarizers between stages, thereby providing a full-color display with only two neutral polarizers. Hybrid filters can be made using the filter of this invention in combination with other active or passive filters. The color filters of this invention can be used in many applications, particularly in the areas of recording and displaying color images. They can be arranged in a multi pixel array and can be optically addressed.

公开(公告)号：EP1255154B1

公开(公告)日：2007-04-11

申请号：EP02009485.0

申请日：2002-04-25

申请人： NEC CORPORATION ,  NEC LCD Technologies, Ltd.

发明人： Ikeno, Hidenori ,  Sakamoto, Michiaki ,  Watanabe, Takahiko ,  Suzuki, Teruaki

IPC分类号： G02F1/1335 ,  G02F1/13363

CPC分类号： G02F1/133555 ,  G02F1/133371 ,  G02F1/133553 ,  G02F1/13363 ,  G02F2001/133638 ,  G02F2001/1398 ,  G02F2202/40 ,  G02F2413/04 ,  G02F2413/08

公开(公告)号：EP1632807A3

公开(公告)日：2006-03-22

申请号：EP05019308.5

申请日：2005-09-06

申请人： Toshiba Matsushita Display Technology Co., Ltd.

发明人： Joten, Kazuhiro, Intel. Prop. Div., Toshiba

IPC分类号： G02F1/13363 ,  G02F1/1335 ,  G02F1/1337

CPC分类号： G02F1/1337 ,  G02F1/133528 ,  G02F1/13363 ,  G02F2001/133531 ,  G02F2001/133541 ,  G02F2001/133638 ,  G02F2001/133738 ,  G02F2203/66 ,  G02F2413/02 ,  G02F2413/08

摘要： A liquid crystal display device including a plurality of pixels (PX) arranged in a matrix includes a liquid crystal display panel (LPN) in which a liquid crystal layer (LQ) is held between an array substrate (AR) and a counter-substrate (CT) that are disposed to face each other, a first polarization control element (POL1) provided on an outer surface of the array substrate (AR), which is opposed to a surface of the array substrate (AR) that holds the liquid crystal layer (LQ), and a second polarization control element (POL2) provided on an outer surface of the counter-substrate (CT), which is opposed to a surface of the counter-substrate (CT) that holds the liquid crystal layer (LQ). When a vertical direction (Y axis) of a screen is set to be a reference azimuth, the liquid crystal layer (LQ) includes liquid crystal molecules (40) that are homogeneously aligned in an azimuth different from the reference azimuth.

摘要翻译： 包括以矩阵排列的多个像素（PX）的液晶显示装置包括液晶显示面板（LPN），其中液晶层（LQ）被保持在阵列基板（AR）和相对基板（AR）之间 CT），所述第一偏振控制元件（POL1）设置在所述阵列基板（AR）的外表面上，所述第一偏振控制元件（POL1）与所述阵列基板（AR）的保持所述液晶层 （LQ）;以及第二偏振控制元件（POL2），设置在与保持液晶层（LQ）的对置基板（CT）的表面相对的对置基板（CT）的外表面上， 。 当屏幕的垂直方向（Y轴）被设置为参考方位时，液晶层（LQ）包括在与参考方位不同的方位上均匀排列的液晶分子（40）。

公开(公告)号：EP1365278B1

公开(公告)日：2006-01-25

申请号：EP03017342.1

申请日：1998-03-26

申请人： SHARP KABUSHIKI KAISHA

发明人： Okamoto, Masayuki ,  Mitsui, Seiichi ,  Satoh, Takashi

IPC分类号： G02F1/139

CPC分类号： G02F1/13363 ,  G02F1/133528 ,  G02F1/133553 ,  G02F1/133602 ,  G02F1/133634 ,  G02F1/1396 ,  G02F2001/133531 ,  G02F2001/1398 ,  G02F2202/40 ,  G02F2413/03 ,  G02F2413/07 ,  G02F2413/08 ,  G02F2413/10

公开(公告)号：EP1600810A1

公开(公告)日：2005-11-30

申请号：EP05011407.3

申请日：2005-05-25

申请人： Toshiba Matsushita Display Technology Co., Ltd.

发明人： Tago, Chigusa c/o Intellectual Property Division ,  Hisatake, Yuzo c/o Intellectual Property Division ,  Murayama, Akio c/o Intellectual Property Division

IPC分类号： G02F1/139 ,  G02F1/13363

CPC分类号： G02F1/1393 ,  G02F1/13363 ,  G02F2001/133531 ,  G02F2001/133541 ,  G02F2001/133638 ,  G02F2413/04 ,  G02F2413/08 ,  G02F2413/11 ,  G02F2413/12 ,  G02F2413/13

摘要： A first phase plate (R1) and a third phase plate (R3), which constitute a polarizer structure (P), cooperate to impart a phase difference of a 1/4 wavelength to linearly polarized light that emerges from a first polarizer plate (PL1). A second phase plate (R2) and a fourth phase plate (R4), which constitute an analyzer structure (A), cooperate to impart a phase difference of a 1/4 wavelength to linearly polarized light that emerges from a second polarizer plate (PL2). Slow axes in planes of the first phase plate (R1) and the second phase plate (R2) are substantially parallel. A crossed-axes angle between slow axes in planes of the first phase plate (R1) and the third phase plate (R3) is 60° , a crossed-axes angle between slow axes in planes of the second phase plate (R2) and the fourth phase plate (R4) is 60° , and a crossed-axes angle between slow axes in planes of the third phase plate (R3) and fourth phase plate (R4) is 60° .

摘要翻译： 构成偏振器结构（P）的第一相位片（R1）和第三相位片（R3）相互配合，以使从第一偏振片（PL1）出射的线偏振光具有1/4波长的相位差 ）。 构成分析器结构（A）的第二相位板（R2）和第四相位板（R4）配合以将1/4波长的相位差赋予从第二偏振片（PL2）出射的线性偏振光 ）。 第一相位板（R1）和第二相位板（R2）的平面中的慢轴基本平行。 第一相位板（R1）和第三相位板（R3）的平面中的慢轴之间的交叉轴角度为60°，第二相位板（R2）的平面中的慢轴之间的交叉轴角度和 第四相位板（R4）为60°，第三相位板（R3）和第四相位板（R4）的平面内的慢轴之间的交叉角度为60°。

公开(公告)号：EP1556732A2

公开(公告)日：2005-07-27

申请号：EP03783090.8

申请日：2003-10-30

申请人： Colorlink, Inc.

发明人： CHEN, Jianamin ,  ROBINSON, Michael, G. ,  SHARP, Gary, D.

IPC分类号： G02F1/1335

CPC分类号： G02F1/133632 ,  G02B5/3083 ,  G02F2413/08 ,  H04N5/7441 ,  H04N9/3105 ,  H04N9/315

摘要： Projection systems having o-plate compensation elements are described. The compensation elements may be negative, positive or biaxial anisotropic element and may have a homogeneous tilt or a splayed tilt. The compensation elements may be formed from a polymer liquid crystal. The compensation elements are designed to maximize azimuth­averaged contrast. The compensation elements may be placed an the same side of a liquid crystal panel when a micro-lens array is used to improve the ease of manufacture.

公开(公告)号：EP1429176A2

公开(公告)日：2004-06-16

申请号：EP03078664.4

申请日：2003-11-24

申请人： EASTMAN KODAK COMPANY

发明人： Ishikawa, Tomohiro ,  Mi, Xiang-Dong

IPC分类号： G02F1/13363

CPC分类号： G02F1/133632 ,  G02F1/13363 ,  G02F2202/40 ,  G02F2413/04 ,  G02F2413/08 ,  G02F2413/105

摘要： Disclosed is an optical compensation film for liquid crystal displays comprising, a first and a second optically anisotropic layers containing positively birefringent material disposed on a substrate, wherein the optic axis of said first optically anisotropic layer tilts in a first plane with an average tilt angle between 25° and 70°, and the optic axis of said second optically anisotropic layer tilts in a second plane with an average tilt angle between 0° and 40°, and said average tilt angle of said first optically anisotropic layer and said average tilt angle of said second optically anisotropic layer are different, and said first and said second planes are perpendicular to the plane of said optical compensation film with the angle between said first and said second planes being s 90±10°, and the retardation defined by (ne 1 -no 1 )d 1 of said first optically anisotropic layer is between 50nm and 160nm and the retardation defined by (ne 2 -no 2 )d 2 of the said second optically anisotropic layers is between 0nm and 80nm, and said retardation of said first optically anisotropic layer and said retardation of said second optically anisotropic layer are different, where ne 1 and no 1 are extraordinary and ordinary indices of refraction of said positively birefringent material of said first optically anisotropic layer, respectively, and ne 2 and no 2 are extraordinary and ordinary indices of refraction of said positively birefringent material of said second optically anisotropic layer, respectively, and d 1 and d 2 are thickness of the said first and said second optically anisotropic layer, respectively.

摘要翻译： 公开了一种用于液晶显示器的光学补偿膜，包括：第一和第二光学各向异性层，其包含设置在基板上的正双折射材料，其中所述第一光学各向异性层的光轴在第一平面内以平均倾角 25°和70°，并且所述第二光学各向异性层的光轴在平面倾角在0°和40°之间的第二平面内倾斜，并且所述第一光学各向异性层的所述平均倾斜角和所述平均倾斜角为 所述第二光学各向异性层是不同的，并且所述第一和所述第二平面垂直于所述光学补偿膜的平面，所述第一和所述第二平面之间的角度为s 90±10°，并且由（ne 1 - 所述第一光学各向异性层的所述第一光学各向异性层的所述第一光学各向异性层的d1为50nm至160nm，并且所述第二光学各向异性的（ne2-no2）d2所定义的延迟为 其中所述第一光学各向异性层的所述延迟与所述第二光学各向异性层的所述延迟不同，其中ne1和no1是所述第一光学各向异性的所述正双折射材料的特殊和普通折射率 并且ne2和no2分别是所述第二光学各向异性层的所述正双折射材料的非常规折射率和常规折射率，并且d1和d2分别是所述第一和所述第二光学各向异性层的厚度。

公开(公告)号：EP1303785A1

公开(公告)日：2003-04-23

申请号：EP01924995.2

申请日：2001-04-12

申请人： Honeywell International Inc.

发明人： LARSON, Brent, D.

IPC分类号： G02F1/1335 ,  G02B5/30

CPC分类号： G02B5/3016 ,  G02B5/3083 ,  G02F1/13363 ,  G02F2001/133638 ,  G02F2413/02 ,  G02F2413/08

摘要： An apparatus and method for improving the brightness of a polarized display (200) at viewing angles off of the vector normal to the display panel (202). The advantages of the present invention will be most pronounced when employed in applications in which the viewing angle requirements are asymmetric, such as for avionics applications that require cross-cockpit viewability of the display. The present invention overcomes the limitations inherent in earlier designs by introducing a polarization rotation element (230) as part of the display device to rotate the polarization of light from one orientation (232) to another orientation (236). Through the use of the present invention, the axis in which the angle of sufficient off normal brightness is broadest can be reoriented to an axis (212, 222) that is most ideal for the particular application, thus dramatically improving the overall performance and efficiency of such displays.

公开(公告)号：EP1255154A3

公开(公告)日：2002-12-04

申请号：EP02009485.0

申请日：2002-04-25

申请人： NEC CORPORATION

发明人： Ikeno, Hidenori ,  Sakamoto, Michiaki ,  Watanabe, Takahiko ,  Suzuki, Teruaki

IPC分类号： G02F1/1335 ,  G02F1/13363

CPC分类号： G02F1/133555 ,  G02F1/133371 ,  G02F1/133553 ,  G02F1/13363 ,  G02F2001/133638 ,  G02F2001/1398 ,  G02F2202/40 ,  G02F2413/04 ,  G02F2413/08

摘要： A liquid crystal display device includes a first substrate (20), a second substrate (40), and a liquid crystal layer (50) sandwiched between the first and second substrates (20, 40). The first substrate (20) includes first to N-th 1st retardation plates (27, 28) arranged on the first transparent substrate (21), and the second substrate (40) includes first to N-th 2nd retardation plates (42, 43) arranged on the second transparent substrate (41). Assuming that a retardation plate among the first to N-th 1st retardation plates (27, 28) has an optical axis arranged at a first angle relative to a reference direction and a retardation plate among the first to N-th 2nd retardation plates (42, 43), corresponding to the retardation plate among the first to N-th 1st retardation plates (27, 28), has an optical axis arranged at a second angle relative to the reference direction, the first and second angles are different from each other by about 90 degrees.

摘要翻译： 液晶显示装置包括第一基板（20），第二基板（40）和夹在第一和第二基板（20,40）之间的液晶层（50）。 第一基板（20）包括布置在第一透明基板（21）上的第一至第N相位差板（27,28），第二基板（40）包括第一至第N相位差板（42,43） ）配置在第二透明基板（41）上。 假设第一至第N相位差板（27,28）中的相位差板相对于基准方向具有第一角度的光轴和第一至第N相位差板（42）中的相位差板 对应于第一至第N相位差板（27,28）中的相位差板的第一和第二角度相对于基准方向具有第二角度，第一和第二角度彼此不同 大约90度。

公开(公告)号：EP1072930A3

公开(公告)日：2002-11-27

申请号：EP00306198.3

申请日：2000-07-20

申请人： SHARP KABUSHIKI KAISHA

发明人： Moriwaki, Hiroyuki ,  Tanaka, Mitsuhiro

IPC分类号： G02F1/13363 ,  G02F1/139

CPC分类号： G02F1/13363 ,  G02F1/1397 ,  G02F2001/133638 ,  G02F2203/02 ,  G02F2413/02 ,  G02F2413/08 ,  G02F2413/10

摘要： An object of the invention is to prevent color shifting which occurs in a liquid crystal display device in a white display state as well as in a black display state. The liquid crystal display device (31) includes a single polarization layer (34), a single phase retardation layer (35), a reflective layer (36), and a liquid crystal layer (33), and produces a display by utilizing light reflected from the reflective layer (36). Based on the wavelength λ of incident light, the retardation value ReF of the phase retardation layer (35) is set approximately equal to (1/4 + K/2) λ, and the retardation value ReL of the liquid crystal layer (33) is set approximately equal to (1/2 + L/2) λ (K = 0, 1, 2, ...: L = 0, 1, 2, ...). The angle Δϕ that the absorption axis (AP) of the polarization layer makes with the retardation axis (AF) of the phase retardation layer is set as 0°