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    DEVICE AND METHOD FOR CALCULATING HOLOGRAPHIC DATA
    82.
    发明申请
    DEVICE AND METHOD FOR CALCULATING HOLOGRAPHIC DATA 审中-公开
    用于计算全息数据的装置和方法

    公开(公告)号：US20160132021A1

    公开(公告)日：2016-05-12

    申请号：US14896085

    申请日：2014-06-04

    Applicant: SEEREAL TECHNOLOGIES S.A.

    Inventor： Enrico ZSCHAU

    IPC: G03H1/08 ,  G03H1/22

    CPC classification number: G03H1/0841 ,  G03H1/0808 ,  G03H1/2294 ,  G03H2001/0858 ,  G03H2001/2605 ,  G03H2210/30 ,  G03H2210/452 ,  G03H2226/02

    Abstract: An apparatus and a method for optimized calculation of 2D sub-holograms for object points of a three-dimensional scene and a pipeline for real-time calculation of holograms are provided. The invention shortens the calculation time of a hologram for representing a three-dimensional scene and/or to reduce the calculation complexity of such a hologram. This is achieved by a 2D sub-hologram of an object point, which has image elements of the spatial light modulator, comprises a half 1D sub-hologram, where the radius of each image element is determined and each image element of the 2D sub-hologram is fixedly assigned to at least one image element of the half 1D sub-hologram with identical or similar radius by way of an electronic circuit, by a method for encoding a hologram, and by a pipeline on the basis of FPGA and/or ASIC.

    Abstract translation: 提供了一种用于优化计算三维场景的对象点的二维子全息图和用于实时计算全息图的流水线的装置和方法。 本发明缩短了用于表示三维场景的全息图的计算时间和/或缩短了这种全息图的计算复杂度。 这是通过具有空间光调制器的图像元素的物点的2D子全息图，包括半1D子全息图，其中确定每个图像元素的半径，并且2D子全息图的每个图像元素， 全息图通过电子电路，通过用于编码全息图的方法和通过基于FPGA和/或ASIC的流水线固定地分配给具有相同或相似半径的半1D子全息图的至少一个图像元素 。

    OPTICAL LIQUID-CRYSTAL PHASE MODULATOR
    83.
    发明申请
    OPTICAL LIQUID-CRYSTAL PHASE MODULATOR 有权
    光学液晶相位调制器

    公开(公告)号：US20160004126A1

    公开(公告)日：2016-01-07

    申请号：US14770885

    申请日：2014-02-26

    Applicant: SEEREAL TECHNOLOGIES S.A.

    Inventor： Norbert LEISTER

    IPC: G02F1/1337 ,  G02F1/1343

    CPC classification number: G02F1/133723 ,  G02F1/133784 ,  G02F1/133788 ,  G02F1/134309 ,  G02F1/134363 ,  G02F1/1393 ,  G02F1/292 ,  G02F2001/133746 ,  G02F2001/13706 ,  G02F2203/50

    Abstract: A phase modulator for polarized light, comprising a first substrate with a first surface and a second substrate with a second surface, a liquid crystal layer between the two substrates and an electrode arrangement. The phase modulator is usable as a variable deflection grating, and liquid crystal materials which are currently conventional are usable for its production. A phase modulator has an out-of-plane angle of the liquid crystal molecules next to the two surfaces whose magnitude is greater than 0 but less than or equal to 45 degrees, and an electrode arrangement controllable such that an in-plane component of the liquid crystal molecule orientation is adjustable in an angle range of up to 180 degrees, and the rotation sense of the liquid crystal molecules next to the first surface is opposite to the rotation sense of the liquid crystal molecules next to the second surface.

    Abstract translation: 一种用于偏振光的相位调制器，包括具有第一表面的第一基底和具有第二表面的第二基底，两个基底之间的液晶层和电极装置。 相位调制器可用作可变偏转光栅，目前常规的液晶材料可用于其生产。 相位调制器具有在两个表面之间的液晶分子的面外角度，该两个表面的大小大于0但小于或等于45度，并且电极布置可控制，使得其中的面内分量 液晶分子取向可在180度以下的角度范围内调节，而与第一表面相邻的液晶分子的旋转方向与第二表面旁边的液晶分子的旋转方向相反。

    ANALYTIC METHOD FOR COMPUTING VIDEO HOLOGRAMS IN REAL TIME
    84.
    发明申请
    ANALYTIC METHOD FOR COMPUTING VIDEO HOLOGRAMS IN REAL TIME 有权
    实时计算视频HOLOGRAMS的分析方法

    公开(公告)号：US20150323899A1

    公开(公告)日：2015-11-12

    申请号：US14803344

    申请日：2015-07-20

    Applicant: SEEREAL TECHNOLOGIES S.A.

    Inventor： Alexander Schwerdtner

    IPC: G03H1/08 ,  G02B27/00 ,  G03H1/22

    CPC classification number: G03H1/08 ,  G02B27/0093 ,  G03H1/0808 ,  G03H1/0841 ,  G03H1/22 ,  G03H1/2294 ,  G03H1/28 ,  G03H2001/0833 ,  G03H2210/452 ,  G03H2225/33 ,  G03H2226/02

    Abstract: An analytical method for computing a video hologram for a holographic reproduction device having at least one light modulation means is disclosed, wherein a scene split into object points is encoded as a whole hologram and can be seen as a reconstruction from a visibility region, located within a periodicity interval of the reconstruction. The visibility region, together with each object point of the scene to be reconstructed, defines a sub-hologram and the whole hologram is generated from a superposition of sub-holograms, wherein the complex hologram values of a sub-hologram are determined from the wave front of the respective object point to be reconstructed in a modulator region of the light modulation means, by calculating and evaluating the transmission or modulation functions of an imaging element formed in the modulator region. The object point to be reconstructed is located in the focal point of the imaging element.

    Abstract translation: 公开了一种用于计算具有至少一个光调制装置的全息再现装置的视频全息图的分析方法，其中分割成对象点的场景被编码为整个全息图，并且可以被看作是位于内部的可视区域的重建 重建的周期性间隔。 可视区域与要重建的场景的每个对象点一起定义了一个子全息图，并且从副全息图的叠加产生了全息图，其中从全波图的复数全息图值被确定 通过计算和评估在调制器区域中形成的成像元件的传输或调制功能，在光调制装置的调制器区域中重构的各个物体点的前方。 要重建的对象点位于成像元件的焦点处。

    Holographic projection device for the enlargement of a visibility region
    85.
    发明授权
    Holographic projection device for the enlargement of a visibility region 有权
    用于扩大可视区域的全息投影装置

    公开(公告)号：US09158280B2

    公开(公告)日：2015-10-13

    申请号：US13680174

    申请日：2012-11-19

    Applicant: SeeReal Technologies S.A.

    Inventor： Philippe Renaud-Goud

    IPC: G03H1/08 ,  G03H1/22

    CPC classification number: G03H1/2294 ,  G03H1/08 ,  G03H1/2205 ,  G03H2001/221 ,  G03H2001/2239

    Abstract: A holographic projection apparatus and a method for magnifying a virtual visibility region, for observing a reconstructed scene with at least one light modulation device and with at least one light source having sufficiently coherent light for generating a wavefront of a scene that is coded in the light modulation device. By means of imaging the wavefront into a viewer plane, it is possible to generate the virtual visibility region for observing the reconstructed scene. The virtual visibility region has at least two virtual viewer windows. In this case, the virtual viewer windows are dimensioned such that the reconstructed scene can always be observed without tracking of the viewer windows upon movement of a viewer in the viewer plane.

    Abstract translation: 一种全息投影装置和用于放大虚拟可见度区域的方法，用于利用至少一个光调制装置观察重建场景，并且具有至少一个具有足够相干光的光源，用于产生在光中编码的场景的波前 调制装置。 通过将波前成像到观看平面中，可以生成用于观察重建场景的虚拟可见区域。 虚拟可见性区域至少有两个虚拟查看器窗口。 在这种情况下，虚拟查看器窗口的大小被确定为使得在观看者平面中的观看者移动时，可以始终观察重建的场景而不跟踪观看者窗口。

    CONTROLLABLE DEVICE FOR PHASE MODULATION OF COHERENT LIGHT
    86.
    发明申请
    CONTROLLABLE DEVICE FOR PHASE MODULATION OF COHERENT LIGHT 审中-公开
    用于相位调光的可控装置

    公开(公告)号：US20150279293A1

    公开(公告)日：2015-10-01

    申请号：US14430259

    申请日：2012-10-01

    Applicant: SEEREAL TECHNOLOGIES S.A. ,  SHARP CORPORATION

    Inventor： Robert Missbach ,  Stephan Reichelt ,  Norbert Leister ,  Ralf Haussler ,  Naru Usukura ,  Hiromi Katoh ,  Yuichi Kanbayashi

    IPC: G09G3/36

    CPC classification number: G09G3/3614 ,  G03H1/2294 ,  G03H2225/32 ,  G09G3/006 ,  G09G2320/02 ,  G09G2320/0214

    Abstract: A controllable device for phase modulation of coherent light comprises a modulator matrix having a plurality of liquid crystal modulator cells each being adapted to modulate a phase value of light passing through a liquid crystal modulator cell depending on a voltage, which is applied to the liquid crystal modulator cell; at least one polarity area of said modulator matrix including at least one liquid crystal modulator cell; at least one storage unit for storing at least one pair of voltage values of which one has a positive and the other has a negative polarity for the liquid crystal modulator cells, whereby the pair of voltage values corresponds to a predetermined phase value; and a control unit for selectively applying one pair of voltage values to one liquid crystal modulator cell.

    Abstract translation: 用于相干光的相位调制的可控装置包括具有多个液晶调制器单元的调制器矩阵，每个液晶调制器单元适于根据施加到液晶的电压来调制通过液晶调制器单元的光的相位值 调节细胞; 所述调制器矩阵的至少一个极性区域包括至少一个液晶调制器单元; 至少一个存储单元，用于存储至少一对具有正的电压值，另一对具有用于液晶调制器单元的负极性，由此所述一对电压值对应于预定相位值; 以及用于选择性地将一对电压值施加到一个液晶调制器单元的控制单元。

    POLARIZATION GRATINGS FOR OBLIQUE INCIDENCE ANGLES
    87.
    发明申请
    POLARIZATION GRATINGS FOR OBLIQUE INCIDENCE ANGLES 审中-公开
    偏心角度角偏振光栅

    公开(公告)号：US20150205182A1

    公开(公告)日：2015-07-23

    申请号：US14417179

    申请日：2013-07-26

    Applicant: SEEREAL TECHNOLOGIES S.A.

    Inventor： Norbert Leister

    IPC: G02F1/29

    Abstract: A polarization grating for diffractive light deflection, having at least one liquid crystal layer on a substrate, wherein the liquid crystal molecules having a periodic change in orientation. The invention further relates to a light deflection device and a method for deflecting light. A polarization grating for an oblique incidence angle of the light is specified, in particular having high diffraction efficiency for the +1st order for a specifiable or variable incidence angle in a wide range of incidence angles. A polarization grating has at least one additional orientation change of the liquid crystal molecules such a way such that light of a specified polarization has a controllable angle of incidence and experiences a specifiable phase retardation upon passing through the liquid crystal layer.

    Abstract translation: 一种用于衍射光偏转的偏振光栅，在衬底上具有至少一个液晶层，其中液晶分子具有定向的周期性变化。 本发明还涉及一种光偏转装置和一种偏转光的方法。 具体地说，用于光的倾斜入射角的偏振光栅，特别是对于大范围的入射角的可指定的或可变的入射角，具有对于+ 1阶的高衍射效率。 偏振光栅具有液晶分子的至少一个另外的取向变化，使得指定极化的光具有可控的入射角，并且在通过液晶层时经历可指定的相位延迟。

    METHOD FOR ENCODING A HOLOGRAM IN A LIGHT MODULATION DEVICE
    88.
    发明申请
    METHOD FOR ENCODING A HOLOGRAM IN A LIGHT MODULATION DEVICE 有权
    用于编码光调制装置中的霍尔量的方法

    公开(公告)号：US20150124302A1

    公开(公告)日：2015-05-07

    申请号：US14361739

    申请日：2012-11-29

    Applicant: SEEREAL TECHNOLOGIES S.A.

    Inventor： Norbert Leister

    IPC: G03H1/08 ,  G03H1/22

    CPC classification number: G03H1/0841 ,  G02B27/4205 ,  G02B27/4266 ,  G02B27/4272 ,  G03H1/0808 ,  G03H1/2205 ,  G03H1/2294 ,  G03H1/26 ,  G03H2001/0816 ,  G03H2001/0825 ,  G03H2223/23 ,  G03H2225/33 ,  G03H2226/02

    Abstract: A hologram is constructed from individual subholograms assigned to corresponding encoding regions in a light modulation device and respectively assigned to an object point of the object to be reconstructed with the hologram. With a virtual observer window, a defined viewing region is provided through which a reconstructed scene in a reconstruction space is observed by an observer. A complex value of a wavefront for each individual object point is calculated in the virtual observer window. Each individual amplitude of a complex value of a wavefront in the virtual observer window is subsequently multiplied by a correction value with which a correction of the angle selectivity of at least one volume grating arranged downstream in the beam path of the light modulation device is carried out. The corrected complex values determined in this way for all object points are summed and transformed into the hologram plane of the light modulation device.

    Abstract translation: 全息图由分配给光调制装置中的相应编码区域的各个子图表构成，并分别分配给要用全息图重建的对象物体点。 通过虚拟观察者窗口，提供了定义的观察区域，观察者观察重构空间中的重建场景。 在虚拟观察窗中计算每个单独对象点的波阵面的复值。 随后将虚拟观察窗中的波阵面的复数值的每个单独振幅乘以校正值，利用该修正值对光调制装置的光束路径中布置在下游的至少一个体积光栅的角度选择性进行校正 。 以这种方式为所有对象点确定的校正后的复数值被求和并变换成光调制装置的全息图平面。

    OPTICAL ARRANGEMENT
    89.
    发明申请
    OPTICAL ARRANGEMENT 审中-公开
    光学布置

    公开(公告)号：US20130188391A1

    公开(公告)日：2013-07-25

    申请号：US13739323

    申请日：2013-01-11

    Applicant: SeeReal Technologies S.A.

    Inventor： Gerald FUTTERER

    IPC: F21V8/00

    CPC classification number: G02B6/0031 ,  G02B6/0026 ,  G02B6/0028 ,  G02B6/005 ,  G09F13/04 ,  G09F13/14 ,  G09F13/18

    Abstract: The invention relates to an optical arrangement having a light source, which emits a beam, and having a light guide, which has a light-guiding layer, in which the coupled-in beam is guided between two substantially mutually opposite surface-type reflection layers. The optical arrangement is characterized in that the optical light paths of the individual rays of the beam, in particular at least of the marginal rays, from the light source to impingement on one of the reflection layers are substantially of equal length.

    Abstract translation: 本发明涉及一种光学装置，其具有发射光束的光源，并且具有导光体，该导光体具有光导层，其中耦合光束在两个基本相互相对的表面型反射层之间被引导 。 光学装置的特征在于，来自光源的光束的各个光线，特别是至少边缘光线的光学光路径到达一个反射层上的冲击基本上是相等的长度。

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