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1. 发明申请

US20190212573A1 Laser Illumination Device 审中-公开
公开(公告)号：US20190212573A1
公开(公告)日：2019-07-11
申请号：US16352696
申请日：2019-03-13
申请人： DigiLens Inc.
发明人： Milan Momcilo Popovich , Jonathan David Waldern , John James Storey
IPC分类号： G02B27/48 , G03H1/32 , F21V8/00 , G02F1/1335 , G02F1/137 , G03H1/02 , G02B5/18 , G02F1/1334 , G02B27/42 , G02F1/01 , G03B21/20
CPC分类号： G02B27/48 , G02B5/1828 , G02B6/0023 , G02B6/0035 , G02B6/005 , G02B27/425 , G02F1/0136 , G02F1/13342 , G02F1/133553 , G02F1/133606 , G02F1/13731 , G02F2203/62 , G03B21/2033 , G03H1/0248 , G03H1/32
摘要： An Electrically Switchable Bragg Grating (ESBG) despeckler device comprising at least one ESBG element recorded in a hPDLC sandwiched between transparent substrates to which transparent conductive coatings have been applied. At least one of said coatings is patterned to provide a two-dimensional array of independently switchable ESBG pixels. Each ESBG pixel has a first unique speckle state under said first applied voltage and a second unique speckle state under said second applied voltage.

2. 发明申请

US20180088528A1 METHOD OF COMPUTING A HOLOGRAM 审中-公开
公开(公告)号：US20180088528A1
公开(公告)日：2018-03-29
申请号：US15679228
申请日：2017-08-17
申请人： SEEREAL TECHNOLOGIES GMBH
发明人： Norbert LEISTER , Ralf HAUSSLER , Armin SCHWERDTNER
IPC分类号： G03H1/08 , G03H1/00 , G03H1/22 , G03H1/26 , G03H1/32 , G03H1/30
CPC分类号： G03H1/0808 , G03H1/0005 , G03H1/22 , G03H1/2294 , G03H1/268 , G03H1/32 , G03H2001/0088 , G03H2001/0816 , G03H2001/0858 , G03H2001/2236 , G03H2001/2242 , G03H2001/2263 , G03H2001/2271 , G03H2001/269 , G03H2001/303 , G03H2210/30 , G03H2210/33 , G03H2210/454 , G03H2222/34 , G03H2223/16 , G03H2225/35 , G03H2226/02 , G03H2226/05
摘要： A method of computing a hologram by determining the wavefronts at the approximate observer eye position that would be generated by a real version of an object to be reconstructed. In normal computer generated holograms, one determines the wavefronts needed to reconstruct an object; this is not done directly in the present invention. Instead, one determines the wavefronts at an observer window that would be generated by a real object located at the same position of the reconstructed object. One can then back-transforms these wavefronts to the hologram to determine how the hologram needs to be encoded to generate these wavefronts. A suitably encoded hologram can then generate a reconstruction of the three-dimensional scene that can be observed by placing one's eyes at the plane of the observer window and looking through the observer window.

3. 发明授权

US09709953B2 Despeckling a computer generated hologram 有权
公开(公告)号：US09709953B2
公开(公告)日：2017-07-18
申请号：US14418956
申请日：2013-07-30
申请人： Real View Imaging Ltd.
发明人： Shlomo Alon-Braitbart , Shaul Alexander Gelman , Carmel Rotschild
IPC分类号： G03H1/32 , G03H1/22
CPC分类号： G03H1/32 , G02B27/0093 , G03H1/2205 , G03H1/2249 , G03H1/2294 , G03H1/26 , G03H1/30 , G03H2001/0216 , G03H2001/0816 , G03H2001/2236 , G03H2001/2239 , G03H2001/2242 , G03H2001/2271 , G03H2001/2292 , G03H2001/2297 , G03H2001/2605 , G03H2001/262 , G03H2210/30 , G03H2210/36 , G03H2222/18 , G03H2222/33 , G03H2223/18 , G03H2223/19 , G03H2223/24 , G03H2226/05 , G03H2227/03 , G03H2240/50
摘要： A method for despeckling the image reproduced by a Computer Generated Hologram (CGH) including reproducing a CGH, and jittering a location of an exit pupil of an optical system through which the CGH is imaged, relative to an observer's input pupil, so as to shift at least some speckles out of the exit pupil. A method for despeckling a Computer Generated Holographic image including computing a first modulation for a first holographic image, and computing a second modulation for a second holographic image of a same holographic image using an initial phase distribution used for calculating the first holographic image as an initial phase distribution used for calculating the second modulation. Related apparatus and methods are also described.

4. 发明授权

US09465227B2 Laser illumination device 有权
公开(公告)号：US09465227B2
公开(公告)日：2016-10-11
申请号：US14986287
申请日：2015-12-31
申请人： DIGILENS INC.
发明人： Milan Momcilo Popovich , Jonathan David Waldern , John James Storey
IPC分类号： G02B6/34 , G02B27/48 , G02F1/1334 , G03B21/20 , G02F1/1335
CPC分类号： G02B27/48 , G02B5/1828 , G02B6/0023 , G02B6/0035 , G02B6/005 , G02B27/425 , G02F1/0136 , G02F1/13342 , G02F1/133553 , G02F1/133606 , G02F1/13731 , G02F2203/62 , G03B21/2033 , G03H1/0248 , G03H1/32
摘要： An Electrically Switchable Bragg Grating (ESBG) despeckler device comprising at least one ESBG element recorded in a hPDLC sandwiched between transparent substrates to which transparent conductive coatings have been applied. At least one of said coatings is patterned to provide a two-dimensional array of independently switchable ESBG pixels. Each ESBG pixel has a first unique speckle state under said first applied voltage and a second unique speckle state under said second applied voltage.

5. 发明申请

US20160266545A1 ILLUMINATION DEVICE, PROJECTION APPARATUS AND PROJECTION-TYPE IMAGE DISPLAY APPARATUS 审中-公开
标题翻译：照明装置，投影装置和投影型图像显示装置
公开(公告)号：US20160266545A1
公开(公告)日：2016-09-15
申请号：US15162971
申请日：2016-05-24
申请人： Dai Nippon Printing Co., Ltd.
发明人： Makio KURASHIGE , Kazutoshi ISHIDA , Tomoe TAKANOKURA , Yasuyuki OOYAGI
IPC分类号： G03H1/26 , G03H1/32 , G03H1/22
CPC分类号： G03H1/265 , G02B5/32 , G02B26/101 , G02B27/48 , G03B21/2033 , G03B33/06 , G03H1/0005 , G03H1/22 , G03H1/2202 , G03H1/2249 , G03H1/2286 , G03H1/32 , G03H2001/2231 , G03H2001/2263 , G03H2001/2271 , G03H2001/2292 , G03H2001/266 , G03H2222/36 , H04N9/3129 , H04N9/3161
摘要： An optical device including a hologram recording medium that can reproduce an image of a reference member and an irradiation unit that emits a coherent light beam to the optical device. The irradiation unit includes a light source for emitting a coherent light beam and a scanning device capable of adjusting a reflection angle of the coherent light beam emitted from the light source and that makes a reflected coherent light beam scan the hologram recording medium. The light source has light sources for emitting coherent light beams having different wavelength ranges. The hologram recording medium has a plurality of recording areas to be scanned with a plurality of coherent light beams reflected by the scanning device, respectively. Each of the plurality of recording areas has an interference fringe that diffracts a coherent light beam of the corresponding wavelength range.
摘要翻译：一种光学装置，包括可以再现参考构件的图像的全息图记录介质和向该光学装置发射相干光束的照射单元。照射单元包括用于发射相干光束的光源和能够调节从光源发射的相干光束的反射角并使反射的相干光束扫描全息图记录介质的扫描装置。光源具有用于发射具有不同波长范围的相干光束的光源。全息图记录介质具有分别由扫描装置反射的多个相干光束扫描的多个记录区域。多个记录区域中的每一个具有衍射相应波长范围的相干光束的干涉条纹。

6. 发明申请

US20160266399A1 PROJECTION TYPE IMAGE DISPLAY APPARATUS 有权
标题翻译：投影类型图像显示设备
公开(公告)号：US20160266399A1
公开(公告)日：2016-09-15
申请号：US15093371
申请日：2016-04-07
申请人： DAI NIPPON PRINTING CO., LTD.
发明人： Makio KURASHIGE , Kazutoshi Ishida , Tomoe Takanokura , Yasuyuki Oyagi
IPC分类号： G02B27/48 , G02B3/00 , G02B5/02 , G02B5/32 , H04N9/31
CPC分类号： G02B27/48 , G02B3/0006 , G02B5/0252 , G02B5/32 , G03B21/2033 , G03B21/208 , G03B33/06 , G03H1/0005 , G03H1/22 , G03H1/2286 , G03H1/32 , G03H2222/36 , H04N9/31 , H04N9/3129 , H04N9/3152 , H04N9/3161
摘要： A laser beam (L50) generated by a laser light source (50) is reflected by a light beam scanning device (60) and irradiated onto a hologram recording medium (45). On the hologram recording medium (45), an image (35) of a scatter plate is recorded as a hologram by using reference light that converges on a scanning origin (B). The light beam scanning device (60) bends the laser beam (L50) at the scanning origin (B) and irradiates the laser beam onto the hologram recording medium (45). At this time, scanning is carried out by changing a bending mode of the laser beam with time so that an irradiation position of the bent laser beam (L60) on the hologram recording medium (45) changes with time. Regardless of an irradiation position of the beam, diffracted light (L45) from the hologram recording medium (45) produces a reproduction image (35) of the scatter plate on the spatial light modulator (200). The modulated image of the spatial light modulator (200) is projected onto a screen (400) by a projection optical system (300).
摘要翻译：由激光源（50）产生的激光束（L50）被光束扫描装置（60）反射并照射到全息图记录介质（45）上。在全息记录介质（45）上，通过使用会聚在扫描原点（B）上的参照光将散射板的图像（35）记录为全息图。光束扫描装置（60）将激光束（L50）在扫描原点（B）弯曲，并将激光束照射到全息图记录介质（45）上。此时，通过随时间改变激光束的弯曲模式来进行扫描，使得全息图记录介质（45）上的弯曲激光束（L60）的照射位置随时间变化。不管光束的照射位置，来自全息图记录介质（45）的衍射光（L45）在空间光调制器（200）上产生散射板的再现图像（35）。空间光调制器（200）的调制图像通过投影光学系统（300）投影到屏幕（400）上。

7. 发明授权

US09423546B2 Illuminating device using coherent light source 有权
标题翻译：照明装置使用相干光源
公开(公告)号：US09423546B2
公开(公告)日：2016-08-23
申请号：US14455434
申请日：2014-08-08
申请人： DAI NIPPON PRINTING CO., LTD.
发明人： Makio Kurashige
IPC分类号： G02B5/32 , G02B5/02 , G02B27/48 , G03H1/22 , G03H1/32 , G03B21/20 , G03B33/06 , H04N9/31 , G03H1/02 , G03H1/04 , F21V5/00 , F21V14/00 , G03H1/00 , G03H1/26 , F21Y101/00
CPC分类号： G03H1/32 , F21V5/004 , F21V14/00 , F21V14/04 , F21Y2101/00 , F21Y2115/10 , F21Y2115/30 , G02B3/08 , G02B5/0252 , G02B5/32 , G02B27/48 , G03B21/2033 , G03B21/208 , G03B33/06 , G03H1/0005 , G03H1/02 , G03H1/0244 , G03H1/0248 , G03H1/0402 , G03H1/22 , G03H1/2286 , G03H2001/0204 , G03H2001/0212 , G03H2001/0216 , G03H2001/0413 , G03H2001/0415 , G03H2001/0428 , G03H2001/0439 , G03H2001/045 , G03H2001/2292 , G03H2001/262 , G03H2222/36 , H04N9/3129
摘要： A laser beam (L50) generated by a laser light source (50) is reflected by a light beam scanning device (60), and irradiated onto a hologram recording medium (45). On the hologram recording medium (45), an image (35) of a scatter plate is recorded as a hologram by using reference light that converges on a scanning origin (B). The light beam scanning device (60) bends the laser beam (L50) at the scanning origin (B) and irradiates it onto the hologram recording medium (45). At this time, scanning is carried out by changing the bending mode of the laser beam with time so that the irradiation position of the bent laser beam (L60) on the hologram recording medium (45) changes with time. Regardless of the beam irradiation position, diffracted light (L45) from the hologram recording medium (45) reproduces the same reproduction image (35) of the scatter plate at the same position. An illumination spot in which speckles are reduced is formed on the light receiving surface (R) of an illuminating object (70) by the reproduction image (35) of the hologram.
摘要翻译：由激光源（50）产生的激光束（L50）被光束扫描装置（60）反射，照射到全息图记录介质（45）上。在全息记录介质（45）上，通过使用会聚在扫描原点（B）上的参照光将散射板的图像（35）记录为全息图。光束扫描装置（60）使扫描原点（B）处的激光束（L50）弯曲并将其照射到全息图记录介质（45）上。此时，通过随时间改变激光束的弯曲模式来进行扫描，使得全息图记录介质（45）上的弯曲激光束（L60）的照射位置随时间变化。不管光束照射位置，来自全息图记录介质（45）的衍射光（L45）在同一位置再现散射板的相同再现图像（35）。通过全息图的再现图像（35）在照明对象（70）的光接收表面（R）上形成其中减少斑点的照明点。

8. 发明申请

US20160231575A1 SPATIOTEMPORAL FOCUSING APPARATUS AND METHOD 审中-公开
标题翻译： SPATIOTEMPORAL聚焦装置和方法
公开(公告)号：US20160231575A1
公开(公告)日：2016-08-11
申请号：US15017999
申请日：2016-02-08
申请人： Technion Research & Development Foundation Limited
发明人： Shy SHOHAM , Tom MAYBLUM , Adi SCHEJTER BAR-NOAM
IPC分类号： G02B27/09 , H01S3/00 , G02B5/18 , G02B27/42 , G02B26/10 , A61N5/06 , G02B21/00 , G02B27/30 , G02B5/04 , G02B27/10 , G02B27/16 , G02B27/22 , G03H1/00
CPC分类号： A61N5/0622 , A61N2005/067 , G02B21/002 , G02B21/16 , G02B21/367 , G02B27/1093 , G02B27/4227 , G03H1/0005 , G03H1/2294 , G03H1/32 , G03H2001/005 , G03H2001/0077 , G03H2001/0094 , H01S3/0057
摘要： Optical apparatus comprises an impulse producing laser followed in an optical path by a spatio-temporal focusing element which provides spectrally dispersed and typically collimated beams. The spatio-temporal focusing element is then followed in the optical path by a volumetric projection system which provides a volumetric image from the collimated beams, the volumetric image extending over a plurality of planes in a volume.
摘要翻译：光学装置包括由时空聚焦元件在光路中跟随的脉冲产生激光器，其提供光谱分散和通常准直的光束。然后通过体积投影系统在光路中跟随时空聚焦元件，该体积投影系统从准直光束提供体积图像，体积图像在体积中的多个平面上延伸。

9. 发明授权

US09366946B2 Projection apparatus and projection control apparatus 有权
标题翻译：投影装置和投影控制装置
公开(公告)号：US09366946B2
公开(公告)日：2016-06-14
申请号：US14113312
申请日：2012-04-19
申请人： Makio Kurashige , Yukio Taniguchi , Yasuyuki Ooyagi
发明人： Makio Kurashige , Yukio Taniguchi , Yasuyuki Ooyagi
IPC分类号： G03B21/14 , G03H1/22 , G02B27/48 , G03B21/20 , G02B5/32 , G03H1/32 , H04N9/31 , G03H1/04
CPC分类号： G03B21/2066 , G02B5/32 , G02B26/105 , G02B27/48 , G03B21/142 , G03B21/2033 , G03B21/208 , G03H1/0402 , G03H1/2286 , G03H1/2294 , G03H1/32 , G03H2001/0439 , G03H2001/2292 , H04N9/3129
摘要： A projection apparatus has an optical device configured to be capable of diffusing coherent light beams, an irradiation unit configured to irradiate the coherent light beams to the optical device so that the coherent light beams scan the optical device, a light modulator that is illuminated by coherent light beams incident on and diffused at respective points of the optical device from the irradiation unit, a projection optical system configured to project a modulated image generated by the light modulator onto a scattering plane, and an intermediate optical system provided between the optical device and the light modulator, configured to restrict an diffusion angle of coherent light beams diffused by the optical device.
摘要翻译：投影装置具有被配置为能够漫射相干光束的光学装置，被配置为将相干光束照射到光学装置的照射单元，使得相干光束扫描光学装置，由相干光照射的光调制器在来自照射单元的光学装置的各个点处入射并扩散的光束;投影光学系统，被配置为将由光调制器产生的调制图像投影到散射面上;以及中间光学系统，设置在光学装置与光调制器，被配置为限制由光学器件扩散的相干光束的扩散角。

10. 发明授权

US09310621B2 Projection device and projection-type video display device 有权
标题翻译：投影设备和投影型视频显示设备
公开(公告)号：US09310621B2
公开(公告)日：2016-04-12
申请号：US13821091
申请日：2011-09-08
申请人： Makio Kurashige , Kazutoshi Ishida , Tomoe Takanokura , Yasuyuki Ooyagi
发明人： Makio Kurashige , Kazutoshi Ishida , Tomoe Takanokura , Yasuyuki Ooyagi
IPC分类号： G03H1/00 , G02B27/48 , G02B5/32 , G02B26/10 , G03B21/20 , G03H1/22 , G03H1/32 , H04N9/31
CPC分类号： G02B27/48 , G02B5/32 , G02B26/10 , G02B26/101 , G03B21/2013 , G03B21/2033 , G03B21/2046 , G03B21/208 , G03H1/0005 , G03H1/22 , G03H1/2286 , G03H1/32 , G03H2222/36 , G03H2225/60 , H04N9/3129 , H04N9/3147
摘要： A projection device includes an optical element including a hologram recording medium where information is multiplexedly recorded in each position so as to allow a coherent light beam to be diffused to a plurality of regions, an irradiation device configured to irradiate the optical element with the coherent light beam so as to allow the coherent light beam to scan the hologram recording medium, spatial light modulators configured to be illuminated with the coherent light beam which is incident from the irradiation device to the hologram recording medium to be diffused to the plurality of regions, and projection optical systems, each projection optical system projecting modulation image obtained on each spatial light modulator on corresponding screen. The coherent light beam, which is incident to each position of the hologram recording medium to be diffused, is illuminated on a plurality of the spatial light modulators.
摘要翻译：投影装置包括：光学元件，包括全息图记录介质，其中信息被多路复用地记录在每个位置，以允许相干光束被扩散到多个区域;照射装置，被配置为用相干光照射光学元件以允许相干光束扫描全息图记录介质，空间光调制器被配置为被从照射装置入射到全息图记录介质以被漫射到多个区域的相干光束照射;以及投影光学系统，每个投影光学系统在相应的屏幕上投射在每个空间光调制器上获得的调制图像。入射到要漫射的全息图记录介质的每个位置的相干光束被照射在多个空间光调制器上。

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