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1. 发明授权

US07633586B2 Display 有权
标题翻译：显示
公开(公告)号：US07633586B2
公开(公告)日：2009-12-15
申请号：US11109364
申请日：2005-04-19
申请人： Robert Winlow , Zabbie J. Acosta , Martin D. Tillin , Paul Bonnett , Diana U. Kean , Grant Bourhill , Michel Sagardoyburu , Emma Jayne Walton , Koji Yabuta , Hiroshi Fukushima , Tomoo Takatani
发明人： Robert Winlow , Zabbie J. Acosta , Martin D. Tillin , Paul Bonnett , Diana U. Kean , Grant Bourhill , Michel Sagardoyburu , Emma Jayne Walton , Koji Yabuta , Hiroshi Fukushima , Tomoo Takatani
IPC分类号： G02F1/1337
CPC分类号： G02F1/1323 , G02F1/13363 , G02F1/133753 , G02F1/13471 , G02F1/1393 , G02F2413/02 , G02F2413/07 , G02F2413/11
摘要： A display is provided for switching between a narrow or private viewing mode and a wide or public viewing mode. The display comprises a display device which is controlled to provide display of a desired image or sequence of images. This is associated with a liquid crystal device having at least one liquid crystal layer whose molecules are switchable between a first state providing a first angular viewing range and a second state providing a second angular viewing range which is within and smaller than the first angular viewing range. With the molecules in the second state, the device at least partially blocks light propagating towards part of the first angular viewing range outside the second angular viewing range. The or each liquid crystal layer is in contact with at least one alignment surface, the or each of which comprises a uniform non-patterned alignment surface.
摘要翻译：提供了用于在狭窄或私人观看模式与广泛或公众观看模式之间切换的显示器。该显示器包括被显示设备，以提供期望的图像或图像序列的显示。这与具有至少一个液晶层的液晶装置相关联，该液晶层的分子可以在提供第一角度观察范围的第一状态和提供第一角度观察范围内和小于第一角度观察范围的第二状态之间切换。当处于第二状态的分子时，该装置至少部分地阻挡朝向第二角度观察范围之外的第一角度观察范围的一部分传播的光。所述或每个液晶层与至少一个对准表面接触，所述对准表面中的每一个包括均匀的非图案化对准表面。

2. 发明申请

US20090067156A1 ILLUMINATION SYSTEM AND DISPLAY DEVICE 审中-公开
标题翻译：照明系统和显示设备
公开(公告)号：US20090067156A1
公开(公告)日：2009-03-12
申请号：US10597086
申请日：2005-01-14
申请人： Paul Bonnett , Grant Bourhill , Allan Evans , Adrian M.S. Jacobs , Martin D. Tillin , Emma J. Walton , Robert Winlow , Jonathan Mather , Nathan Smith
发明人： Paul Bonnett , Grant Bourhill , Allan Evans , Adrian M.S. Jacobs , Martin D. Tillin , Emma J. Walton , Robert Winlow , Jonathan Mather , Nathan Smith
IPC分类号： G09F9/35 , G02B6/00
CPC分类号： G02B6/0068 , G02B6/0038 , G02B6/0041 , G02B6/0043 , G02B6/0046 , G02B6/0053 , G02B6/0055 , G02B6/0056 , G02B6/0076 , G02F1/1323 , G02F1/133615 , G02F1/133617 , G02F1/133621 , H04N13/302 , H04N13/359 , H04N2013/40
摘要： An illumination system (32) is provided for producing output light having a variable angular illumination range for illuminating a display panel (31) in a display device (30). The illumination system (32) comprises first and second light sources (34 and 36) and is operable selectively in a first mode in which the output light comprises light derived from the first light source (34) with substantially no light derived from the second light source (36), and in a second mode in which the output light comprises light derived from at least the second light source (36). The output light derived from the first light source (34) has a first angular illumination range and the output light derived from the second light source (36) has a second angular illumination range wider than the first angular illumination range. The first mode can be used as a private mode and the second mode can be used as a public mode. The private mode can be used to prevent widespread reading of information or images displayed using the display device (30).
摘要翻译：提供照明系统（32），用于产生具有可变角度照明范围的输出光，用于照亮显示装置（30）中的显示面板（31）。照明系统（32）包括第一和第二光源（34和36），并且可以在第一模式中选择性地操作，其中输出光包括从第一光源（34）导出的光，基本上没有源自第二光的光源（36），并且在第二模式中，输出光包括从至少第二光源（36）导出的光。从第一光源（34）导出的输出光具有第一角度照明范围，并且从第二光源（36）导出的输出光具有比第一角度照明范围更宽的第二角度照明范围。第一种模式可以用作私有模式，第二种模式可以用作公共模式。专用模式可用于防止使用显示设备（30）显示的信息或图像的广泛阅读。

3. 发明授权

US08035776B2 Liquid crystal cell and display having patterned electrode layer between at least cholesteric liquid crystal and electrode 有权
标题翻译：至少在胆甾型液晶和电极之间具有图案化电极层的液晶单元和显示器
公开(公告)号：US08035776B2
公开(公告)日：2011-10-11
申请号：US12306351
申请日：2007-07-03
申请人： Nathan J. Smith , Paul A. Gass , James M. Ball , Martin D. Tillin , Michel Sagardoyburu
发明人： Nathan J. Smith , Paul A. Gass , James M. Ball , Martin D. Tillin , Michel Sagardoyburu
IPC分类号： G02F1/1335
CPC分类号： G02F1/133634 , G02F1/1323 , G02F1/13718 , G02F2413/01 , G02F2413/11
摘要： A liquid crystal cell (5) comprises a layer (4) of cholesteric liquid crystal material; and a retarder (3) disposed in an optical path through the layer (4) of cholesteric liquid crystal material. The cholesteric liquid crystal material is switchable between a first state in which it cooperates with the retarder (3) to provide a first viewing angle range and a second state in which it cooperates with the retarder (3) to provide a second viewing angle range which is smaller than the first viewing angle range. The pitch of the cholesteric liquid crystal material is greater than an intended wavelength of operation of the liquid crystal cell divided by the average refractive index of the liquid crystal material. The liquid crystal cell may be used as a Viewing Angle Restriction (VAR) element, to enable another component, such as a display panel (6), to be operated in either a wide viewing mode or a narrow viewing mode.
摘要翻译：液晶单元（5）包括胆甾型液晶材料层（4）以及设置在通过胆甾型液晶材料的层（4）的光路中的延迟器（3）。胆甾醇型液晶材料可在其与延迟器（3）配合以提供第一视角范围的第一状态和与延迟器（3）配合的第二状态之间切换以提供第二视角范围小于第一视角范围。胆甾醇型液晶材料的间距大于液晶单元的预期操作波长除以液晶材料的平均折射率。液晶单元可以用作视角限制（VAR）元件，以使诸如显示面板（6）的其它组件能够在宽观看模式或窄视角模式下操作。

4. 发明申请

US20090279023A1 LIQUID CRYSTAL CELL AND A DISPLAY 有权
标题翻译：液晶电池和显示器
公开(公告)号：US20090279023A1
公开(公告)日：2009-11-12
申请号：US12306351
申请日：2007-07-03
申请人： Nathan J. Smith , Paul A. Gass , James M. Ball , Martin D. Tillin , Michel Sagardoyburu
发明人： Nathan J. Smith , Paul A. Gass , James M. Ball , Martin D. Tillin , Michel Sagardoyburu
IPC分类号： G02F1/13363 , G02F1/1335
CPC分类号： G02F1/133634 , G02F1/1323 , G02F1/13718 , G02F2413/01 , G02F2413/11
摘要： A liquid crystal cell (5) comprises a layer (4) of cholesteric liquid crystal material; and a retarder (3) disposed in an optical path through the layer (4) of cholesteric liquid crystal material. The cholesteric liquid crystal material is switchable between a first state in which it cooperates with the retarder (3) to provide a first viewing angle range and a second state in which it cooperates with the retarder (3) to provide a second viewing angle range which is smaller than the first viewing angle range. The pitch of the cholesteric liquid crystal material is greater than an intended wavelength of operation of the liquid crystal cell divided by the average refractive index of the liquid crystal material. The liquid crystal cell may be used as a Viewing Angle Restriction (VAR) element, to enable another component, such as a display panel (6), to be operated in either a wide viewing mode or a narrow viewing mode.
摘要翻译：液晶单元（5）包括胆甾型液晶材料层（4）以及设置在通过胆甾型液晶材料的层（4）的光路中的延迟器（3）。胆甾醇型液晶材料可在其与延迟器（3）配合以提供第一视角范围的第一状态和与延迟器（3）配合的第二状态之间切换以提供第二视角范围小于第一视角范围。胆甾醇型液晶材料的间距大于液晶单元的预期操作波长除以液晶材料的平均折射率。液晶单元可以用作视角限制（VAR）元件，以使诸如显示面板（6）的其它组件能够在宽观看模式或窄视角模式下操作。

5. 发明授权

US07375784B2 Control of liquid crystal alignment in an optical device 有权
标题翻译：控制光学装置中的液晶对准
公开(公告)号：US07375784B2
公开(公告)日：2008-05-20
申请号：US11072563
申请日：2005-03-04
申请人： Nathan Smith , Paul A. Gass , Jonathan P. Bramble , Martin D. Tillin , Bronje M. Musgrave
发明人： Nathan Smith , Paul A. Gass , Jonathan P. Bramble , Martin D. Tillin , Bronje M. Musgrave
IPC分类号： G02F1/1337
CPC分类号： G02F1/133753 , G02B5/3016 , G02F1/1391 , G02F1/1395 , G02F2001/133738 , G02F2001/133742 , G02F2001/133757 , G02F2001/133761 , G02F2001/13787 , G02F2001/294
摘要： A method is provided that allows simultaneous control of macroscopic azimuthal and zenithal liquid crystal alignment (φ, θ) across a liquid crystal layer by controlling the area ratios between first, second and third different types of alignment region (T1, T2, T3) in a patterned alignment layer, the three different types of alignment region (T1, T2, T3) tending to induce liquid crystal alignment in the liquid crystal layer in three different respective, non-coplanar, principal orientations (z, x, y). In the illustrated example, the first type of alignment region (T1) tends to induce substantially homeotropic alignment (in the z direction) and the second and third types of alignment region (T2, T3) tend to induce substantially planar alignment in different, orthogonal, principal orientations (in the x and y directions). Control of macroscopic zenithal liquid crystal alignment (θ) is achieved by controlling the area ratios between the homeotropic (T1) and planar region types (T2, T3), and control of macroscopic azimuthal liquid crystal alignment (φ) is achieved by controlling the area ratio between the two planar region types (T2, T3).
摘要翻译：提供了一种方法，其通过控制第一，第二和第三不同类型的取向区域（T 1，T 2，T）之间的面积比，允许跨液晶层同时控制宏观方位角和天顶液晶取向（phi，θ） 3）在图案化取向层中，三种不同类型的取向区域（T 1，T 2，T 3）倾向于在三个不同的相应非共面主取向（z，3）中诱导液晶层中的液晶取向， x，y）。在所示示例中，第一类型的对准区域（T 1）倾向于引起基本上的垂直取向（在z方向上），并且第二和第三类型的取向区域（T 2，T 3）倾向于引起基本上平面的对准不同的，正交的，主要的方向（在x和y方向）。通过控制垂直（T 1）和平面区域类型（T 2，T 3）之间的面积比来实现宏观天顶液晶取向（θ）的控制，并且宏观方位角液晶取向（phi）的控制通过控制两个平面区域类型（T 2，T 3）之间的面积比。

6. 发明授权

US06512569B1 Liquid crystal display device and a method of manufacture thereof, and a substrate and a method of manufacture thereof 有权
标题翻译：液晶显示装置及其制造方法以及基板及其制造方法
公开(公告)号：US06512569B1
公开(公告)日：2003-01-28
申请号：US09421176
申请日：1999-10-19
申请人： Elizabeth J. Acosta , Martin D. Tillin , Michael J. Towler , Harry G. Walton
发明人： Elizabeth J. Acosta , Martin D. Tillin , Michael J. Towler , Harry G. Walton
IPC分类号： C09K1902
CPC分类号： G02F1/133753 , G02F1/1395 , G02F2001/133761
摘要： An OCB device comprises upper and lower substrates, each provided with an alignment layer. A liquid crystal layer is provided between the substrates. The lower substrate has a low pre-tilt in regions A and C, so that an H-state is stable in these regions when no voltage is applied across the liquid crystal layer. Region B has a high pre-tilt on the lower substrate, so that a HAN state is stable in region B under zero applied voltage. When a voltage is applied across the liquid crystal lever, a V-state is formed at the interface between the HAN-state and the H-states. This V-state then displaces the H-states in regions A and C. The high pre-tilt region, region B, is acting as a nucleation region. The V-state forms at a lower applied voltage than if the nucleation region is not provided.
摘要翻译： OCB装置包括上和下基板，每个设置有对准层。在基板之间设置液晶层。下部基板在区域A和C中具有低的预倾斜，使得当在液晶层上施加电压时，这些区域中的H态是稳定的。区域B在下基板上具有高的预倾斜，使得HAN状态在零施加电压下在区域B中是稳定的。当跨液晶杆施加电压时，在H状态和H态之间的界面处形成V态。该V态随后置换区域A和C中的H状态。高预倾斜区域B区域充当成核区域。与不提供成核区域相比，V形态的施加电压低。

7. 发明授权

US07400377B2 Display having particular polarisation modifying layer 有权
标题翻译：显示器具有特定的偏振调节层
公开(公告)号：US07400377B2
公开(公告)日：2008-07-15
申请号：US11299068
申请日：2005-12-07
申请人： Allan Evans , Martin D. Tillin , Emma J. Walton
发明人： Allan Evans , Martin D. Tillin , Emma J. Walton
IPC分类号： G02F1/13 , G02F1/1335 , G02F1/1343
CPC分类号： G02F1/13363 , G02F1/1323 , G02F1/133528 , G02F1/13471 , G02F2001/133638 , G02F2413/09 , H04N13/359
摘要： A display is provided for providing a restricted viewing mode, for example a private viewing mode where the display may be viewed from a limited region of space by a single viewer and not by other people outside the viewing region. The display comprises a source of polarised light and an output polariser. Between these are provided a controllable pixellated spatial polarisation modulating layer, for example of the liquid crystal type. Also, a polarisation modifying layer is provided between the polarisers and is spaced from the modulating layer. The modifying later comprises a plurality of sets of regions with the regions of each set having the same polarisation modifying effect and the regions of different sets having different polarisation modifying effects. The light path between the modulating layer and the modifying layer is polariser-free. A controller supplies modified image data to compensate for the effect of each region through which light from one or more associated pixels passes to the viewing region so that a viewer in the viewing region sees the displayed image. Outside the viewing region, light passes through regions for which the pixels receive uncompensated data so that the image is obscured or corrupted and is not visible. The modifying layer may be disablable in order to provide a public viewing mode for viewers throughout a wide viewing region.
摘要翻译：提供了一种用于提供限制观看模式的显示器，例如私人观看模式，其中显示器可以由单个观看者从有限的空间区域观看，而不是由观看区域外的其他人观看。显示器包括偏振光源和输出偏振器。在它们之间提供可控的像素化空间偏振调制层，例如液晶型。此外，极化修改层设置在偏振器之间并且与调制层间隔开。稍后的修改包括多组区域，其中每组的区域具有相同的偏振改变效果，并且不同组的区域具有不同的偏振改变效果。调制层与调制层之间的光路无偏振。控制器提供经修改的图像数据以补偿来自一个或多个相关像素的光通过其到达观看区域的每个区域的影响，使得观看区域中的观看者看到所显示的图像。在观察区域外，光通过像素接收未补偿数据的区域，使得图像被遮蔽或损坏，并且不可见。为了在广泛的观看区域内为观众提供公众观看模式，修改层可能是不可行的。

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