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1. 发明授权

US06288805B1 Holographic projection screen and method of production 失效
标题翻译：全息投影屏和生产方法
公开(公告)号：US06288805B1
公开(公告)日：2001-09-11
申请号：US08596135
申请日：1996-02-15
申请人： Jean-Pierre Huignard , Cécile Joubert , Jean-Claude Lehureau , Brigitte Loiseaux
发明人： Jean-Pierre Huignard , Cécile Joubert , Jean-Claude Lehureau , Brigitte Loiseaux
IPC分类号： G03H100
CPC分类号： G03B21/60 , G02B5/32 , G03B21/62 , G03H1/0256
摘要： A holographic projection screen for large screen projection and back projection with a liquid crystal projector. The screen includes at least one layer made of a photosensitive material in which at least one index grating may be recorded by an interference of an optical recording wave with an optical object wave. The thickness of the layer is equal to or greater than n0&Lgr;2/2&pgr;, where n0 is the average index of the photosensitive material, &Lgr; is the average spacing of the index grating and &lgr; is the recording wavelength.
摘要翻译：一种用于大屏幕投影和背投的全息投影屏幕，配有液晶投影机。该屏幕包括至少一层由光敏材料制成的层，其中至少一个折射光栅可通过光学记录波与光学物体波的干涉被记录。层的厚度等于或大于n0LAMBD2 / 2pi，其中n0是感光材料的平均折射率，LAMBD是折射率光栅的平均间距，lambd是记录波长。

2. 发明授权

US06384974B1 Polarization beam splitter 有权
标题翻译：极化分束器
公开(公告)号：US06384974B1
公开(公告)日：2002-05-07
申请号：US09720271
申请日：2001-01-11
申请人： Cécile Joubert , Jean-Claude Lehureau
发明人： Cécile Joubert , Jean-Claude Lehureau
IPC分类号： G02B530
CPC分类号： G02B27/283
摘要： A polarization splitter which includes a splitting medium lying between two transparent elements of defined indices. The splitting medium includes a periodic structure of layers of materials of different indices and having a period which is small compared with the wavelength of an incident beam so as to form a uniaxial birefringent medium of optical axis perpendicular to the plane of the periodic structure. The two transparent elements are made of a material of index approximately equal to the ordinary index (no) of the periodic structure.
摘要翻译：一种偏振分离器，其包括分离介质，位于两个明确的折射率的透明元件之间。分离介质包括具有不同指数的材料层的周期性结构，并且具有与入射光束的波长相比较小的周期，以便形成垂直于周期性结构的平面的光轴的单轴双折射介质。两个透明元件由大约等于周期性结构的通常指数（否）的指数的材料制成。

3. 发明授权

US06426810B1 Illumination system for an electrooptic color display screen 失效
标题翻译：电光彩色显示屏的照明系统
公开(公告)号：US06426810B1
公开(公告)日：2002-07-30
申请号：US08817825
申请日：1997-05-07
申请人： Cécile Joubert , Brigitte Loiseaux , Jean-Pierre Huignard , Anne Delboulbe
发明人： Cécile Joubert , Brigitte Loiseaux , Jean-Pierre Huignard , Anne Delboulbe
IPC分类号： G02B532
CPC分类号： G02F1/133621 , H04N9/3108 , H04N9/315
摘要： Color display system, which includes an electrooptic modulation screen (LCD) and in which a chromatic modulator (RC) is provided between the multiple-wavelength light source (S, C) and the screen (LCD). This chromatic modulator modulates a wavelength or a restricted range of wavelengths of the source in order to adjust the saturation of the various primaries transmitted to the screen as well as to effect colorimetric balance. Applications include liquid-crystal color displays.
摘要翻译：彩色显示系统，其包括电光调制屏（LCD），并且其中在多波长光源（S，C）和屏幕（LCD）之间提供色调制器（RC）。该色调调制器调制源的波长或受限的波长范围，以便调节传输到屏幕的各种原色的饱和度以及影响比色平衡。应用包括液晶彩色显示器。

4. 发明申请

US20070103619A1 Display device with a white-optimizing bistable nematic screen and method for the definintion of said device 失效
标题翻译：具有白色优化双稳态向列屏的显示装置和用于定义所述装置的方法
公开(公告)号：US20070103619A1
公开(公告)日：2007-05-10
申请号：US10580320
申请日：2004-11-25
申请人： Cécile Joubert , Daniel Stoenescu , Alexandre Carton , Patrice Davi
发明人： Cécile Joubert , Daniel Stoenescu , Alexandre Carton , Patrice Davi
IPC分类号： G02F1/1335
CPC分类号： G02F1/1391
摘要： The invention relates to a nematic liquid crystal display having two stable states, without an electric field, obtained by anchoring break, characterized in that it comprises two polarizers (10, 40), one (10) of which is placed on the observer side, the other (40) being placed on the opposite side of the liquid crystal cell whereby the latter is at least partially reflecting in order to define a reflective mode or transflective mode. The orientation of the two polarizers (10, 40) is offset by a value which is equal to the rotatory power of the cell at approximately +/−30°.
摘要翻译：本发明涉及一种具有两个稳定状态的向列型液晶显示器，没有通过锚定断裂获得的电场，其特征在于它包括两个偏振器（10,40），其中一个（10）放置在观察者侧，另一个（40）被放置在液晶单元的相对侧上，由此后者至少部分地反射以限定反射模式或透反射模式。两个偏振器（10,40）的取向被等于在大约+/- 30°处的电池的旋转功率的值。

5. 发明授权

US06873443B1 Secured document, system for manufacturing same and system for reading this document 失效
公开(公告)号：US06873443B1
公开(公告)日：2005-03-29
申请号：US10019314
申请日：2000-07-04
申请人： Cécile Joubert , Brigitte Loiseaux , Philippe Robin , Claude Bricot
发明人： Cécile Joubert , Brigitte Loiseaux , Philippe Robin , Claude Bricot
IPC分类号： B42D15/10 , G03H1/00 , G03H1/04 , G03H1/18 , G06K7/12 , G06K19/06 , G06K19/16
CPC分类号： G03H1/0011 , G03H1/0404 , G03H1/0406 , G03H1/041 , G03H1/2249 , G03H1/2286 , G03H2001/0016 , G03H2001/0022 , G03H2001/0204 , G03H2001/0413 , G03H2001/0415 , G03H2001/0417 , G03H2001/2231 , G03H2001/2263 , G03H2001/264 , G03H2210/22 , G03H2210/33 , G03H2210/54 , G03H2210/562 , G03H2223/23 , G03H2225/60 , G03H2227/05 , G06K7/12 , G06K19/06046 , G06K19/16
摘要： A document includes at least one drawing or data produced, for example, by printing. In addition, this document includes a hologram representing part of the document. The hologram of this document is recorded using a system including a prerecorded or electrically controllable optical modulator in which the image of at least part of the document is recorded. This modulator is designed to be combined with a layer of photosensitive material. A first reference wave illuminates the layer of photosensitive material. A second wave incident on the modulator and giving rise to a third object wave is also transmitted to the layer of photosensitive material in order to interfere with the reference wave in this layer.

6. 发明授权

US08085370B2 Single-polarizer reflective bistable twisted nematic (BTN) liquid crystal display device 失效
标题翻译：单偏光镜反光双向扭曲向列（BTN）液晶显示装置
公开(公告)号：US08085370B2
公开(公告)日：2011-12-27
申请号：US11920933
申请日：2006-05-10
申请人： Cécile Joubert , Terry Scheffer
发明人： Cécile Joubert , Terry Scheffer
IPC分类号： G02F1/1335
CPC分类号： G02F1/1391 , G02F1/133634 , G02F2001/133531 , G02F2001/133567
摘要： The application relates to a single-polarizer reflective bistable twisted nematic (BTN) liquid crystal display device comprising a liquid crystal layer of thickness d, birefringence Δn and retardation Δnd, said liquid crystal layer being situated between two substrates and between a polarizer and a reflector, said liquid crystal layer in the absence of an applied electric field having two stable uniformly twisted textures, the twists of the two stable textures differing by an angle being equal mainly to 180°, and at least one compensation layer positioned between said polarizer and said reflector, said compensation layer being composed of at least one birefringent film, said birefringent film having an optical anisotropy defined by three characteristic refractive indices nx, ny, nz, along three corresponding axis x, y, z of index ellipsoid, x and y being situated inside the substrates plane, nx and ny being called in plane indices, with nx≧ny, x being called slow axis, and z being perpendicular to the substrates plane with biaxiality parameter Nz equal to (nx−nz)/(nx−ny), characterized in that Nz lies between −∞ and ½ so that under oblique viewing the retardation of the stable texture corresponding to the dark state is compensated to improve the contrast ratio and simultaneously the retardation of the stable texture corresponding to the bright state is modified to decrease the color shift.
摘要翻译：本申请涉及一种单偏振器反射双稳态扭曲向列（BTN）液晶显示装置，其包括厚度d，双折射＆Dgr; n和延迟＆Dgr的液晶层，所述液晶层位于两个基板之间，偏振器和反射器，所述液晶层在不存在具有两个稳定均匀扭曲纹理的施加电场的情况下，两个稳定纹理的扭曲主要与180°相等，并且至少一个补偿层位于所述偏振器和所述反射器，所述补偿层由至少一个双折射膜组成，所述双折射膜具有由三个特征折射率nx，ny，nz沿着三个对应轴的指数椭圆体的轴线x，y，z限定的光学各向异性， x和y位于衬底平面内，nx和ny称为平面指数，nx≥ny，x称为慢轴，z 垂直于基板平面，双轴参数Nz等于（nx-nz）/（nx-ny），其特征在于Nz在-∞和½之间，使得在倾斜观察下，对应于暗态的稳定纹理的延迟被补偿以提高对比度，并且同时修改对应于亮状态的稳定纹理的延迟以减少色偏。

7. 发明授权

US07176998B2 Liquid crystal display device with birefringence compensator and volume hologram 失效
标题翻译：具有双折射补偿器和体积全息图的液晶显示装置
公开(公告)号：US07176998B2
公开(公告)日：2007-02-13
申请号：US10344674
申请日：2001-08-14
申请人： Cécile Joubert , Bertrand Morbieu , Laurent Bignolles
发明人： Cécile Joubert , Bertrand Morbieu , Laurent Bignolles
IPC分类号： G02F1/1335
CPC分类号： G02F1/133632
摘要： A display device comprising a liquid-crystal cell element (20) placed between two polarizers (23, 28) comprising at least one optical structure for compensating for the variations in birefringence of said liquid crystal according to the viewing angle. The optical compensation structure comprises at least one oblique-axis film (25, 26) of polymerized liquid-crystal type suitable for at least partly compensating for the undesirable effects of the natural birefringence of the liquid crystal, combined with a volume hologram (24, 27) of small retardation suitable for improving the compensatability of said film.
摘要翻译：一种显示装置，包括放置在两个偏振器（23,28）之间的液晶单元元件（20），该液晶单元元件包括至少一个用于根据视角补偿所述液晶的双折射变化的光学结构。所述光学补偿结构包括至少一个聚合液晶型倾斜轴薄膜（25,26），其适于至少部分地补偿液晶的天然双折射的不期望的影响，与体积全息图 27）适用于提高所述膜的补偿性的小延迟。

8. 发明授权

US07532275B2 Display device with a white-optimizing bistable nematic screen and method for the definition of said device 失效
标题翻译：具有白色优化双稳态向列屏的显示装置和用于定义所述装置的方法
公开(公告)号：US07532275B2
公开(公告)日：2009-05-12
申请号：US10580320
申请日：2004-11-25
申请人： Cécile Joubert , Daniel Stoenescu , Alexandre Carton , Patrice Davi
发明人： Cécile Joubert , Daniel Stoenescu , Alexandre Carton , Patrice Davi
IPC分类号： G02F1/1335
CPC分类号： G02F1/1391
摘要： The invention relates to a nematic liquid crystal display having two stable states, without an electric field, obtained by anchoring break, characterized in that it comprises two polarizers (10, 40), one (10) of which is placed on the observer side, the other (40) being placed on the opposite side of the liquid crystal cell whereby the latter is at least partially reflecting in order to define a reflective mode or transflective mode. The orientation of the two polarizers (10, 40) is offset by a value which is equal to the rotatory power of the cell at approximately +/−30°.
摘要翻译：本发明涉及一种具有两个稳定状态的向列型液晶显示器，没有通过锚定断裂获得的电场，其特征在于它包括两个偏振器（10,40），其中一个（10）放置在观察者侧，另一个（40）被放置在液晶单元的相对侧上，由此后者至少部分地反射以限定反射模式或透反射模式。两个偏振器（10,40）的取向被等于在大约+/- 30°处的电池的旋转功率的值。

9. 发明授权

US06980336B2 Secured document, system for manufacturing same and system for reading this document 失效
标题翻译：安全文件，制造系统和阅读本文件的系统
公开(公告)号：US06980336B2
公开(公告)日：2005-12-27
申请号：US10971136
申请日：2004-10-25
申请人： Cécile Joubert , Brigitte Loiseaux , Philippe Robin , Claude Bricot
发明人： Cécile Joubert , Brigitte Loiseaux , Philippe Robin , Claude Bricot
IPC分类号： B42D15/10 , G03H1/00 , G03H1/04 , G03H1/18 , G06K7/12 , G06K19/06 , G06K19/16
CPC分类号： G03H1/0011 , G03H1/0404 , G03H1/0406 , G03H1/041 , G03H1/2249 , G03H1/2286 , G03H2001/0016 , G03H2001/0022 , G03H2001/0204 , G03H2001/0413 , G03H2001/0415 , G03H2001/0417 , G03H2001/2231 , G03H2001/2263 , G03H2001/264 , G03H2210/22 , G03H2210/33 , G03H2210/54 , G03H2210/562 , G03H2223/23 , G03H2225/60 , G03H2227/05 , G06K7/12 , G06K19/06046 , G06K19/16
摘要： A document includes at least one drawing or data produced, for example, by printing. In addition, this document includes a hologram representing part of the document. The hologram of this document is recorded using a system including a prerecorded or electrically controllable optical modulator in which the image of at least part of the document is recorded. This modulator is designed to be combined with a layer of photosensitive material. A first reference wave illuminates the layer of photosensitive material. A second wave incident on the modulator and giving rise to a third object wave is also transmitted to the layer of photosensitive material in order to interfere with the reference wave in this layer.
摘要翻译：文档包括至少一个绘图或数据，例如通过打印产生。另外，该文件包括表示文件的一部分的全息图。使用包括预记录或电可控光调制器的系统来记录该文件的全息图，其中记录了至少部分文件的图像。该调制器被设计成与感光材料层组合。第一参考波照亮感光材料层。入射到调制器上并产生第三物体波的第二波也被传送到感光材料层，以便干扰该层中的参考波。

10. 发明授权

US06246521B1 Compact lighting device 有权
标题翻译：紧凑型照明装置
公开(公告)号：US06246521B1
公开(公告)日：2001-06-12
申请号：US09284965
申请日：1999-05-05
申请人： Anne Delboulbe , Jean-Pierre Huignard , Cécile Joubert , Brigitte Loiseaux
发明人： Anne Delboulbe , Jean-Pierre Huignard , Cécile Joubert , Brigitte Loiseaux
IPC分类号： G02B2744
CPC分类号： G02B27/1086 , G02B5/32
摘要： A compact illumination device intended especially for illuminating an active matrix in a monochromatic or trichromatic display device. This device includes a source and collimating device in order to deliver a lighting direction from the source along a direction (Dy) and two optical components (M1) and (M2) which anamorphose the lighting in a direction parallel to the direction (Dy) and in a direction (Dz) perpendicular to the direction (Dy), respectively. These components may typically be of the holographic grating type operating in transmission or in reflection.
摘要翻译：专门用于照亮单色或三色显示装置中的有源矩阵的小型照明装置。该装置包括源极和准直装置，以沿着方向（Dy）和沿着平行于方向（Dy）的方向使发光变形的两个光学部件（M1）和（M2）从源极传送照明方向，以及在垂直于方向（Dy）的方向（Dz）上。这些部件通常可以是在透射或反射中工作的全息光栅类型。

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