公开(公告)号：EP3069074A1

公开(公告)日：2016-09-21

申请号：EP14862283.0

申请日：2014-11-11

Applicant: RealD Inc.

Inventor： WOODGATE, Graham J. ,  HARROLD, Jonathan ,  ROBINSON, Michael G.

IPC: F21S2/00

CPC classification number: G02B6/0073 ,  G02B6/0046 ,  G02B6/0048 ,  G02B6/0055 ,  G02B6/0068 ,  G02B27/2214 ,  G02B27/225 ,  H01L24/48 ,  H01L24/49 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/15 ,  H01L29/866 ,  H01L33/486 ,  H01L33/505 ,  H01L33/62 ,  H01L33/642 ,  H01L33/647 ,  H01L2224/48091 ,  H01L2224/48137 ,  H01L2224/48247 ,  H01L2224/48257 ,  H01L2224/49113 ,  H01L2924/00014 ,  H01L2933/0066 ,  H01L2933/0075 ,  H01L2224/05599 ,  H01L2224/45099 ,  H01L2224/85399

Abstract: A light emitting diode package for a directional display may comprise light emitting diodes and a protection diode. The protection diode may be arranged in a well that is at a different location to the well that the light emitting diodes are arranged. The directional display may include a waveguide. The waveguide may include light extraction features arranged to direct light from an array of light sources by total internal reflection to an array of viewing windows and a reflector arranged to direct light from the waveguide by transmission through extraction features of the waveguide to the same array of viewing windows. The brightness of the directional display can be increased. An efficient and bright directional display system can be achieved. Efficient light baffling for light escaping from the edge of the waveguide is achieved through light deflecting extraction films.

Abstract translation: 用于定向显示器的发光二极管封装可以包括发光二极管和保护二极管。 保护二极管可以布置在与发光二极管布置的阱不同的位置的阱中。 方向显示可以包括波导。 波导可以包括光提取特征，其布置成将来自光源阵列的光通过全内反射引导到观察窗阵列，以及反射器，布置成通过透射通过波导的提取特征将光引导到波导的相同阵列 查看窗口。 可以提高定向显示的亮度。 可以实现高效明亮的方向显示系统。 通过光偏转提取膜实现了从波导边缘逸出的光的高效光阻挡。

公开(公告)号：EP3204686A1

公开(公告)日：2017-08-16

申请号：EP15848224.0

申请日：2015-10-07

Applicant: RealD Inc.

Inventor： HARROLD, Jonathan ,  WOODGATE, Graham J.

IPC: F21S2/00 ,  H05B33/08 ,  F21V29/70

CPC classification number: G02B6/0083 ,  G02B6/0048 ,  G02B6/0055 ,  G02B6/0068 ,  G02B6/0073 ,  G02B6/0085 ,  G02B6/0086 ,  G02F1/1323 ,  G02F1/133603 ,  G02F1/133615 ,  G02F2001/133601 ,  G02F2001/133612 ,  G02F2001/133628 ,  H01L25/00 ,  H05K1/05 ,  H05K2201/10106

Abstract: An electrical connection assembly for a directional display comprising a directional backlight may include stack of flat connectors and a strip comprising an end portion with an array of light sources and a base portion with an array of connectors. The end portion and base portion may be shaped so that the base portion extends outwardly from the end portion. Light sources of the directional display may be individually addressable by means of a highly compact arrangement of connections, achieving low thickness and small bezel width.

Abstract translation: 用于包括定向背光源的定向显示器的电连接组件可以包括一叠扁平连接器和一条带，该带包括具有光源阵列的端部和具有连接器阵列的基部。 端部和基部可以被成形为使得基部从端部向外延伸。 定向显示器的光源可以通过高度紧凑的连接布置单独寻址，从而实现低厚度和小的边框宽度。

公开(公告)号：EP3120187A1

公开(公告)日：2017-01-25

申请号：EP15764835.3

申请日：2015-03-19

Applicant: RealD Inc.

Inventor： WOODGATE, Graham J. ,  HARROLD, Jonathan ,  ROBINSON, Michael G.

IPC: G02F1/1335

CPC classification number: G02B27/2214 ,  G02B6/0035 ,  G02B6/0048 ,  G02B6/0068

Abstract: A directional display may include a waveguide. The waveguide may include light extraction features arranged to direct light from an array of light sources by total internal reflection to an array of viewing windows and a reflector arranged to direct light from the waveguide by transmission through extraction features of the waveguide to the same array of viewing windows. A further spatially multiplexed display device comprising a spatial light modulator and parallax element is arranged to cooperate with the illumination from the waveguide. An efficient and bright autostereoscopic display system with low cross talk and high resolution can be achieved.

Abstract translation: 定向显示器可以包括波导。 波导可以包括光提取特征，其布置成将来自光源阵列的光通过全内反射引导到观察窗阵列，以及反射器，布置成通过透射通过波导的提取特征将光引导到波导的相同阵列 查看窗口。 包括空间光调制器和视差元件的另外的空间多路复用的显示设备被布置成与来自波导的照明配合。 可以实现低串扰和高分辨率的高效，明亮的自动立体显示系统。

公开(公告)号：EP2936242A1

公开(公告)日：2015-10-28

申请号：EP13865893.5

申请日：2013-12-20

Applicant: RealD Inc.

Inventor： WOODGATE, Graham J. ,  HARROLD, Jonathan ,  ROBINSON, Michael G.

IPC: G02B27/22

CPC classification number: G02B27/2214 ,  G02B6/002 ,  G02B6/0038 ,  G02B6/0048 ,  G02B6/0053 ,  G02B6/0068 ,  H04N13/305 ,  H04N13/32 ,  H04N13/356 ,  H04N13/366 ,  H04N13/398 ,  H04N2013/403

Abstract: Disclosed is an imaging directional backlight apparatus comprising a waveguide, a light source array, and a further optical element for providing large area directed illumination from localized light sources. The imaging directional backlight may comprise a stepped waveguide that may include a stepped structure, in which the steps may further include extraction features optically hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Viewing windows are formed through imaging individual light sources. The further optical element may comprise a superlens comprising first and second aligned lens arrays that may be arranged to modify the output viewing windows to achieve enhanced window imaging from the directional backlight.

公开(公告)号：EP2850486A1

公开(公告)日：2015-03-25

申请号：EP13790141.9

申请日：2013-05-15

Applicant: RealD Inc.

Inventor： WOODGATE, Graham, John ,  ROBINSON, Michael, G. ,  HARROLD, Jonathan ,  SCHUCK, Miller, H.

IPC: G02F1/13357 ,  F21S2/00 ,  F21V8/00

Abstract: Disclosed is a light guiding valve apparatus including at least one transparent stepped waveguide optical valve for providing large area collimated illumination from localized light sources, and at least one further illumination source. A stepped waveguide may be a stepped structure, where the steps include extraction features hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Such controlled illumination may provide for efficient, multi-user autostereoscopic displays as well as improved 2D display functionality. Light from a separate illumination source may pass through the transparent stepped waveguide optical valve to provide at least one further additional illumination function.

公开(公告)号：EP2850471A1

公开(公告)日：2015-03-25

申请号：EP13790195.5

申请日：2013-05-17

Applicant: RealD Inc.

Inventor： WOODGATE, Graham, J. ,  ROBINSON, Michael, G. ,  HARROLD, Jonathan ,  SCHUCK, Miller, H.

IPC: G02B6/10 ,  G02B27/22

Abstract: Disclosed is a light guiding valve apparatus comprising an optical valve, a two dimensional light source array and a focusing optic for providing large area collimated illumination from localized light sources. A stepped waveguide may be a stepped structure, in which the steps may be extraction features optically hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. A two dimensional array of viewing windows may be produced. Such controlled illumination may provide for efficient, multi-user autostereoscopic displays with wide viewing freedom and low cross talk and near-eye displays that are substantially transparent.

公开(公告)号：EP3161550A1

公开(公告)日：2017-05-03

申请号：EP15811293.8

申请日：2015-06-26

Applicant: RealD Inc.

Inventor： ROBINSON, Michael G. ,  WOODGATE, Graham J. ,  HARROLD, Jonathan

IPC: G02F1/1335 ,  G02B6/00

CPC classification number: G02B6/0048 ,  G02B6/0055 ,  G02B6/0068 ,  G02B27/225 ,  G02F1/1323 ,  H04N13/32 ,  H04N2013/405

Abstract: A directional privacy display may include a waveguide; and an array of light sources and spatial light modulator that operate in a time sequential manner. The waveguide may include light extraction features arranged to direct light from an array of light sources by total internal reflection to an array of viewing windows and a reflector arranged to direct light from the waveguide by transmission through extraction features of the waveguide to the same array of viewing windows. First and second phases may be temporally multiplexed with respective primary and secondary images and primary and secondary angular illumination distributions. An efficient and bright privacy display may be provided with obscured primary image visibility for off-axis observers.

Abstract translation: 定向隐私显示器可以包括波导; 以及以时间顺序方式操作的光源阵列和空间光调制器。 所述波导可以包括光提取特征，所述光提取特征布置成通过全内反射将来自光源阵列的光引导至观察窗阵列和反射器，所述反射器布置成通过经由所述波导的提取特征透射来自所述波导的光到达 观看窗户。 第一和第二阶段可以与相应的主要和次要图像以及主要和次要角照度分布在时间上复用。 对于离轴观察者，可以提供隐蔽的主图像可见度的高效和明亮的隐私显示器。

公开(公告)号：EP2904778A1

公开(公告)日：2015-08-12

申请号：EP13843659.7

申请日：2013-10-02

Applicant: RealD Inc.

Inventor： WOODGATE, Graham J. ,  ROBINSON, Michael G. ,  HARROLD, Jonathan

IPC: H04N13/04 ,  G02B27/22

Abstract: An autostereoscopic display apparatus may include a stepped waveguide, optical elements, and one or more reflective imaging and/or directional elements. These elements may be arranged to return light from the stepped waveguide into an array of viewing windows. Such elements can be used to achieve observer tracking autostereoscopic display for landscape and portrait modes of operation. System thickness and cost may be reduced and system brightness can be increased or low operating power modes may be achieved.

Abstract translation: 自动立体显示装置可以包括阶梯式波导，光学元件和一个或多个反射成像和/或方向元件。 这些元件可以被布置成将来自阶梯式波导的光返回到观察窗的阵列中。 这些元素可用于实现观察者跟踪自动立体显示，用于景观和肖像操作模式。 可以降低系统厚度和成本，并且可以提高系统亮度或者可以实现低操作功率模式。

公开(公告)号：EP2850483A2

公开(公告)日：2015-03-25

申请号：EP13790274.8

申请日：2013-05-15

Applicant: RealD Inc.

Inventor： ROBINSON, Michael, G. ,  SHARP, Gary, D. ,  WOODGATE, Graham, J. ,  HARROLD, Jonathan ,  SCHUCK, Miller, H.

IPC: G02B27/26 ,  G02B27/22 ,  G02F1/1335

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.

公开(公告)号：EP2850472A1

公开(公告)日：2015-03-25

申请号：EP13790809.1

申请日：2013-05-15

Applicant: RealD Inc.

Inventor： ROBINSON, Michael, G. ,  WOODGATE, Graham, J. ,  HARROLD, Jonathan ,  SCHUCK, Miller, H.

IPC: G02B6/10 ,  G02F1/13357

Abstract: An imaging directional backlight apparatus including a waveguide, a light source array, for providing large area directed illumination from localized light sources. The waveguide may include a stepped structure, in which the steps may further include extraction features optically hidden to guided light, propagating in a first forward direction. Returning light propagating in a second backward direction may be refracted, diffracted, or reflected by the features to provide discrete illumination beams exiting from the top surface of the waveguide. Viewing windows are formed through imaging individual light sources and hence defines the relative positions of system elements and ray paths. The uncorrected system creates non-illuminated void portions when viewed off-axis preventing uniform wide angle 2D illumination modes. The system may be corrected to remove this non uniformity at wide angles through the introduction of additional sources away from the system's object plane, additional imaging surfaces, and/or by altering ray paths.

Abstract translation: 一种成像方向性背光装置，包括用于从局部光源提供大面积定向照明的波导，光源阵列。 波导可以包括阶梯式结构，其中步骤还可以包括光引导光隐藏的提取特征，在第一向前方向上传播。 在第二反向传播的返回光可以由特征折射，衍射或反射，以提供离开波导的顶表面离散的照明光束。 通过成像各个光源形成观察窗，因此定义了系统元件和射线路径的相对位置。 当从偏轴观察时，未校正的系统产生未被照明的空隙部分，防止均匀的广角2D照明模式。 可以通过引入远离系统的物体平面，附加成像表面和/或改变射线路径的附加源来广角地消除该不均匀性的系统。