公开(公告)号：US09057880B2

公开(公告)日：2015-06-16

申请号：US13689621

申请日：2012-11-29

Applicant: REALD INC.

Inventor： Kevin Curtis ,  Gary D. Sharp ,  Miller H. Schuck

IPC: G03B21/00 ,  G02B27/26 ,  G03B21/14 ,  G02B27/22 ,  B82Y20/00 ,  F21V8/00 ,  H04N9/31 ,  H04N13/04 ,  G03B35/24

CPC classification number: G02B27/26 ,  B82Y20/00 ,  G02B6/005 ,  G02B6/0056 ,  G02B27/22 ,  G03B21/14 ,  G03B21/204 ,  G03B21/604 ,  G03B35/24 ,  H04N9/3129 ,  H04N9/3141 ,  H04N9/3147 ,  H04N9/3197 ,  H04N13/31 ,  Y10S977/774 ,  Y10S977/952

Abstract: Generally, near seamless electronics displays may be employed in cinema and exhibition applications. Laser scanned displays may be enabled such that the display may display three dimensional (“3D”) content. A first method to enable a laser scanned display for 3D content may employ polarization, with or without polarization conversion and another method may employ multiple colors. Additionally, the envelope function that may be employed across the display may be achieved by changing laser power as a beam is scanned on the screen or by changing the dwell time of the laser beam on the pixels. One method of minimizing the effects of seams in the screen may be to reduce the screen resolution near the seams by screen design and/or laser beam dwell time or illumination energy.

公开(公告)号：US20150138508A1

公开(公告)日：2015-05-21

申请号：US14541818

申请日：2014-11-14

Applicant: RealD Inc.

Inventor： Gary D. Sharp ,  Miller H. Schuck ,  Douglas J. McKnight

IPC: G02F1/01 ,  G03B21/20

CPC classification number: G02F1/0136 ,  G03B21/14 ,  G03B21/2073 ,  G03B21/28 ,  H04N9/3141 ,  H04N9/3167

Abstract: Display devices with high dynamic ranges approaching the limitations of the human eye are discussed herein. High dynamic range projections systems may be 2D or 3D and devices may or may not be implemented with polarization preserving optics for high efficiency. In one embodiment, 2D HDR projection systems may compensate the modulator for varying transmission and contrast versus field of view. In another embodiment, 3D HDR projection systems may include a global or pixelated/segmented modulator. The global or pixelated/segmented modulator may be included in a stereoscopic polarization switch or in a polarization-preserving stereoscopic projection system. Additionally, a combination of global/global or pixelated/pixelated, or global/pixelated modulators may be used.

Abstract translation: 这里讨论了具有接近人眼限制的高动态范围的显示装置。 高动态范围投影系统可以是2D或3D，并且器件可以或可以不实现具有用于高效率的偏振保留光学器件。 在一个实施例中，2D HDR投影系统可以补偿调制器以改变传输和对比度与视野。 在另一个实施例中，3D HDR投影系统可以包括全局或像素化/分段调制器。 全局或像素化/分段调制器可以包括在立体偏振开关中或在偏振保持立体投影系统中。 另外，可以使用全局/全局或像素化/像素化或全局/像素化调制器的组合。

公开(公告)号：US20140307313A1

公开(公告)日：2014-10-16

申请号：US14313364

申请日：2014-06-24

Applicant: RealD Inc.

Inventor： David A. Coleman ,  Gary D. Sharp

IPC: G03B21/60

CPC classification number: G03B21/60 ,  G03B21/56 ,  G03B21/602 ,  G03B21/604 ,  G03B21/625 ,  Y10T428/24355

Abstract: A method for providing a projection screen for receiving stereoscopic images may include providing a substrate with a contoured, reflective surface, wherein light reflected from the substrate substantially may undergo no more than a single reflection and may also include coating a first layer on the substrate with a contoured, reflective surface. The first layer may substantially maintain the same optical properties as the substrate without the first layer. The first layer may be substantially conformal to the surface of the substrate and also may be a self assembled monolayer coating which may include at least a functional group that is hydrophobic.

Abstract translation: 用于提供用于接收立体图像的投影屏幕的方法可以包括向基板提供具有轮廓的反射表面，其中从基板反射的光基本上可以经历不超过单个反射，并且还可以包括在基板上涂覆第一层， 一个轮廓，反光的表面。 第一层可以基本上保持与没有第一层的衬底相同的光学性质。 第一层可以基本上与衬底的表面共形，并且还可以是自组装的单层涂层，其可以包括至少一个疏水性的官能团。

公开(公告)号：US08794764B2

公开(公告)日：2014-08-05

申请号：US13850261

申请日：2013-03-25

Applicant: RealD Inc.

Inventor： Miller H. Schuck ,  Michael G. Robinson ,  Douglas J. McKnight ,  Gary D. Sharp

IPC: G03B21/00

CPC classification number: G02F1/133528 ,  G02B17/045 ,  G02B27/143 ,  G02B27/26 ,  G03B35/26

Abstract: Projection systems and methods for providing stereoscopic images viewed through passive polarizing eyewear. The systems relate to projectors that create left and right eye images simultaneously and often as side-by-side images on the image modulator. The systems act to superimpose the spatially separated images on a projection screen with alternate polarization states. The embodiments are best suited to liquid crystal polarization based projection systems and use advanced polarization control.

Abstract translation: 通过无源偏光眼镜提供立体图像的投影系统和方法。 这些系统涉及同时产生左眼图像和右眼图像的投影仪，并且经常作为图像调制器上的并排图像。 系统用于将空间分离的图像叠加在具有交替偏振状态的投影屏幕上。 这些实施例最适合于基于液晶偏振的投影系统并且使用高级偏振控制。

公开(公告)号：US20130308185A1

公开(公告)日：2013-11-21

申请号：US13837466

申请日：2013-03-15

Applicant: REALD INC.

Inventor： Michael G. Robinson ,  Gary D. Sharp ,  Graham J. Woodgate ,  Jonathan Harrold ,  Miller H. Schuck

IPC: G02B27/22 ,  F21V13/12

CPC classification number: G02B6/0048 ,  F21V13/12 ,  G02B6/0056 ,  G02B27/225 ,  G02B27/2264

Abstract: Disclosed is an imaging directional backlight polarization recovery apparatus including an imaging directional backlight with at least a polarization sensitive reflection component with optional polarization transformation and redirection elements. Viewing windows may be formed through imaging individual light sources and hence defines the relative positions of system elements and ray paths. The base imaging directional backlight systems provide substantially unpolarized light primarily for the illumination of liquid crystal displays (LCDs) resulting in at least 50% loss in light output when using a conventional sheet polarizer as input to the display. The invention herein introduces a polarization sensitive reflecting element to separate desired and undesired polarization states for the purposes of transformation and redirection of the reflected light for usable illumination. Polarization transformation and redirection can be provided by additional components such as retarder films and specular mirror surfaces.

Abstract translation: 公开了一种成像方向性背光偏振恢复装置，其包括成像方向性背光源，其至少具有可选择的偏振变换和重定向元件的偏振敏感反射分量。 可以通过对各个光源进行成像而形成观察窗，并因此定义系统元件和射线路径的相对位置。 基本成像定向背光系统主要为液晶显示器（LCD）的照明提供基本上非偏振的光，当使用传统的片状偏光器作为显示器的输入时，导致光输出的至少50％的损失。 本发明引入偏振敏感反射元件以分离期望和不期望的偏振状态，以便为了可用照明的反射光的变换和重定向。 极化转换和重定向可以通过附加组件如延迟片和镜面反射镜来提供。

公开(公告)号：US20130301122A1

公开(公告)日：2013-11-14

申请号：US13942259

申请日：2013-07-15

Applicant: REALD INC.

Inventor： Joel Petersen ,  Christopher Rich ,  Raymond Jacob Lewandowski ,  Gary D. Sharp ,  David Coleman

IPC: G03B21/56

CPC classification number: G03B21/56 ,  G03B21/60 ,  G03B21/602 ,  G03B21/604 ,  G03B21/62 ,  G03B21/625

Abstract: Polarization preserving projection screens provide optimum polarization preservation for 3D viewing. The projection screens additionally provide improved light control for enhanced brightness, uniformity, and contrast for both 2D and 3D systems. Generally, the disclosed method for providing a projection screen comprises stripping an optically functional material from a carrier substrate, thus creating engineered particles from the optically functional material. The engineered particles may then be deposited on a second substrate to create a substantially homogeneous optical appearance of the projection screen.

公开(公告)号：US08540372B2

公开(公告)日：2013-09-24

申请号：US13710356

申请日：2012-12-10

Applicant: Reald, Inc.

Inventor： David A. Coleman ,  Miller H. Schuck ,  Gary D. Sharp

IPC: G03B21/14

CPC classification number: G02B27/26 ,  G02B27/283 ,  G03B21/14 ,  G03B35/20 ,  G03B35/26 ,  H04N13/363

Abstract: Three dimensional projection systems may be single projector or multiple projector systems. These 3D projection systems may include a one or more polarization conversion systems (PCS). Each PCS may be designed for relatively small throw ratios and thus, may be designed to accommodate the small throw ratios. Each PCS may include a polarizing beam splitter, a first optical stack, a reflector and a second quarter wave retarder. The first optical stack may include a rotator, a polarizer, a polarization switch and a first quarter wave retarder. Each PCS may receive light from a respective projector, and the PBS in each PCS may direct the light toward the first optical stacks. The light may be converted to a different polarization state as it passes through the first optical stack. The converted light may then be re-directed by a reflecting element to a second quarter wave retarder. The second quarter wave retarder may convert linearly polarized light to circularly polarized light.

公开(公告)号：US20130222709A1

公开(公告)日：2013-08-29

申请号：US13850261

申请日：2013-03-25

Applicant: RealD Inc.

Inventor： Miller H. Schuck ,  Michael G. Robinson ,  Douglas J. McKnight ,  Gary D. Sharp

IPC: G02F1/1335

CPC classification number: G02F1/133528 ,  G02B17/045 ,  G02B27/143 ,  G02B27/26 ,  G03B35/26

Abstract: Projection systems and methods for providing stereoscopic images viewed through passive polarizing eyewear. The systems relate to projectors that create left and right eye images simultaneously and often as side-by-side images on the image modulator. The systems act to superimpose the spatially separated images on a projection screen with alternate polarization states. The embodiments are best suited to liquid crystal polarization based projection systems and use advanced polarization control.

Abstract translation: 通过无源偏光眼镜提供立体图像的投影系统和方法。 这些系统涉及同时产生左眼图像和右眼图像的投影仪，并且经常作为图像调制器上的并排图像。 系统用于将空间分离的图像叠加在具有交替偏振状态的投影屏幕上。 这些实施例最适合于基于液晶偏振的投影系统并且使用高级偏振控制。

公开(公告)号：US11143948B2

公开(公告)日：2021-10-12

申请号：US15933639

申请日：2018-03-23

Applicant: RealD Inc.

Inventor： Miller H. Schuck ,  Michael G. Robinson ,  Gary D. Sharp

IPC: G03B35/26 ,  H04N13/341 ,  G02B27/28 ,  G02B30/24 ,  G02B30/25 ,  G03B21/14 ,  G03B21/28 ,  G03B35/22

Abstract: A polarization conversion system (PCS) is located in the output light path of a projector. The PCS may include a polarizing beam splitter, a polarization rotating element, a reflecting element, and a polarization switch. Typically, a projector outputs randomly-polarized light. This light is input to the PCS, in which the PCS separates p-polarized light and s-polarized light at the polarizing beam splitter. P-polarized light is directed toward the polarization switch on a first path. The s-polarized light is passed on a second path through the polarization rotating element (e.g., a half-wave plate), thereby transforming it to p-polarized light. A reflecting element directs the transformed polarized light (now p-polarized) along the second path toward the polarization switch. The first and second light paths are ultimately directed toward a projection screen to collectively form a brighter screen image in cinematic applications utilizing polarized light for three-dimensional viewing.

公开(公告)号：US09927691B2

公开(公告)日：2018-03-27

申请号：US14621836

申请日：2015-02-13

Applicant: RealD Inc.

Inventor： Miller H. Schuck ,  Michael G. Robinson ,  Gary D. Sharp

IPC: G02B27/22 ,  G03B35/26 ,  G02B27/26 ,  G02B27/28 ,  H04N13/04 ,  G03B21/14 ,  G03B21/28 ,  G03B35/22

CPC classification number: G03B35/26 ,  G02B27/2264 ,  G02B27/26 ,  G02B27/283 ,  G03B21/142 ,  G03B21/28 ,  G03B35/22 ,  H04N13/341

Abstract: The PCS may include a polarizing beam splitter, a polarization rotating element, a reflecting element, and a polarization switch. Typically, a projector outputs randomly-polarized light. This light is input to the PCS, in which the PCS separates p-polarized light and s-polarized light at the polarizing beam splitter. P-polarized light is directed toward the polarization switch on a first path. The s-polarized light is passed on a second path through the polarization rotating element (e.g., a half-wave plate), thereby transforming it to p-polarized light. A reflecting element directs the transformed polarized light (now p-polarized) along the second path toward the polarization switch. The first and second light paths are ultimately directed toward a projection screen to collectively form a brighter screen image in cinematic applications utilizing polarized light for three-dimensional viewing.