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1. 发明申请

US20140375790A1 EYE-TRACKING SYSTEM FOR HEAD-MOUNTED DISPLAY 审中-公开
公开(公告)号：US20140375790A1
公开(公告)日：2014-12-25
申请号：US13927025
申请日：2013-06-25
申请人： Steve Robbins , Scott McEldowney , Xinye Lou , David Nister , Drew Steedly , Quentin Simon Charles Miller , David D. Bohn , James Peele Terrell, JR. , Andrew C. Goris , Nathan Ackerman
发明人： Steve Robbins , Scott McEldowney , Xinye Lou , David Nister , Drew Steedly , Quentin Simon Charles Miller , David D. Bohn , James Peele Terrell, JR. , Andrew C. Goris , Nathan Ackerman
IPC分类号： G02B27/01 , G06F3/01 , G02B27/00
CPC分类号： G02B27/0172 , G02B5/04 , G02B27/0093 , G02B27/017 , G02B2027/0138 , G02B2027/0187
摘要： Embodiments are disclosed for a see-through head-mounted display system. In one embodiment, the see-through head-mounted display system comprises a freeform prism, and a display device configured to emit display light through the freeform prism to an eye of a user. The see-through head-mounted display system may also comprise an imaging device having an entrance pupil positioned at a back focal plane of the freeform prism, the imaging device configured to receive gaze-detection light reflected from the eye and directed through the freeform prism.

2. 发明申请

US20150035744A1 NEAR-EYE OPTIC POSITIONING IN DISPLAY DEVICES 审中-公开
标题翻译：近距离显示设备中的光学定位
公开(公告)号：US20150035744A1
公开(公告)日：2015-02-05
申请号：US13973788
申请日：2013-08-22
申请人： Steve Robbins , Scott C. McEldowney , Xinye Lou , David D. Bohn , Quentin Simon Charles Miller , David Nister , Gerhard Schneider , Christopher Maurice Mei , Nathan Ackerman
发明人： Steve Robbins , Scott C. McEldowney , Xinye Lou , David D. Bohn , Quentin Simon Charles Miller , David Nister , Gerhard Schneider , Christopher Maurice Mei , Nathan Ackerman
IPC分类号： G06F3/01 , G02B27/01
CPC分类号： G06F3/016 , G02B27/0093 , G02B27/017 , G02B27/0172 , G02B27/0179 , G02B2027/0125 , G02B2027/0127 , G02B2027/0138 , G02B2027/014 , G02B2027/0178 , G02B2027/0185 , G02B2027/0187 , G06K9/00604
摘要： Embodiments are disclosed for adjusting alignment of a near-eye optic of a see-through head-mounted display system. In one embodiment, a method of detecting eye location for a head-mounted display system includes directing positioning light to an eye of a user and detecting the positioning light reflected from the eye of the user. The method further includes determining a distance between the eye and a near-eye optic of the head-mounted display system based on attributes of the detected positioning light, and providing feedback for adjusting the distance between the eye and the near-eye optic.
摘要翻译：公开了用于调整透视头戴显示系统的近眼光学器件的对准的实施例。在一个实施例中，用于检测头戴式显示系统的眼睛位置的方法包括将定位光引导到用户的眼睛并检测从用户的眼睛反射的定位光。该方法还包括基于检测到的定位光的属性确定头戴式显示系统的眼睛和近眼睛光学器件之间的距离，以及提供用于调整眼睛和近眼睛光学器件之间的距离的反馈。

3. 发明申请

US20140375542A1 ADJUSTING A NEAR-EYE DISPLAY DEVICE 审中-公开
标题翻译：调整近眼显示设备
公开(公告)号：US20140375542A1
公开(公告)日：2014-12-25
申请号：US13926322
申请日：2013-06-25
申请人： Steve Robbins , Scott C. McEldowney , Xinye Lou , David D. Bohn , Quentin Simon Charles Miller , John Robert Eldridge , William M. Crow
发明人： Steve Robbins , Scott C. McEldowney , Xinye Lou , David D. Bohn , Quentin Simon Charles Miller , John Robert Eldridge , William M. Crow
IPC分类号： G02B27/01 , G06T19/00 , G06F3/01
CPC分类号： G02B27/0179 , G02B27/0093 , G02B27/0176 , G02B2027/0181 , G06F3/011 , G06F3/013 , G06T19/006
摘要： Embodiments are disclosed herein that relate to aligning a near-eye display of a near-eye display device with an eye of a user. For example, one disclosed embodiment provides, on a near-eye display device, a method comprising receiving an image of an eye from a camera via a reverse display optical path, detecting a location of the eye in the image, and determining a relative position of the eye with regard to a target viewing position of the near-eye display. The method further comprises determining an adjustment to make to the near-eye display device to align the location of the eye with the target viewing position.
摘要翻译：本文公开的实施例涉及将近眼显示装置的近眼显示器与用户的眼睛对准。例如，一个公开的实施例在近眼显示装置上提供一种方法，包括经由反向显示光路从相机接收眼睛的图像，检测眼睛在图像中的位置，以及确定相对位置关于近眼显示器的目标观看位置的眼睛。该方法还包括确定对近眼显示装置进行的调整以将眼睛的位置与目标观察位置对准。

4. 发明申请

US20140375789A1 EYE-TRACKING SYSTEM FOR HEAD-MOUNTED DISPLAY 有权
标题翻译：用于头戴式显示器的眼睛跟踪系统
公开(公告)号：US20140375789A1
公开(公告)日：2014-12-25
申请号：US13926968
申请日：2013-06-25
申请人： Xinye Lou , Scott McEldowney , Steve Robbins
发明人： Xinye Lou , Scott McEldowney , Steve Robbins
IPC分类号： G02B27/01 , G06F3/01 , G02B27/00
CPC分类号： G02B27/0172 , G02B27/0093 , G02B27/017 , G02B2027/0178 , G02B2027/0187 , G06F3/013
摘要： Embodiments are disclosed for a see-through head-mounted display system. In one embodiment, the see-through head-mounted display system comprises a freeform prism, and a display device configured to emit display light through the freeform prism to an eye of a user. The see-through head-mounted display system may also comprise an imaging device having an entrance pupil positioned at a back focal plane of the freeform prism, the imaging device configured to receive gaze-detection light reflected from the eye and directed through the freeform prism.
摘要翻译：公开了一种透视式头戴式显示系统的实施例。在一个实施例中，透视式头戴式显示系统包括自由形棱镜和被配置为将显示光通过自由形棱镜发射到用户的眼睛的显示装置。透视式头戴显示系统还可以包括成像装置，其具有位于自由形棱镜的后焦平面处的入射光瞳，该成像装置被配置为接收从眼睛反射并引导通过自由形棱镜的注视检测光。

5. 发明申请

US20150185475A1 EYE TRACKING APPARATUS, METHOD AND SYSTEM 有权
标题翻译：眼睛跟踪装置，方法和系统
公开(公告)号：US20150185475A1
公开(公告)日：2015-07-02
申请号：US14140987
申请日：2013-12-26
申请人： Pasi Saarikko , Xinye Lou , Scott McEldowney , Steven Robbins , Tapani Levola
发明人： Pasi Saarikko , Xinye Lou , Scott McEldowney , Steven Robbins , Tapani Levola
IPC分类号： G06K9/00 , G02B6/34 , G06F3/01 , G02B27/01 , G02B6/36
CPC分类号： G02B27/0093 , A61B3/113 , G02B6/02085 , G02B6/34 , G02B27/0172 , G02B2027/0107 , G02B2027/0138 , G02B2027/0178 , G06F3/013 , H04N13/383
摘要： A transparent waveguide for use in eye tracking includes an input-coupler and an output-coupler. The input-coupler comprises a plurality of curved grating lines having a radially varying pitch. When positioned in front of an eye illuminated with infrared light, infrared light beams reflected from the eye and incident on the input-coupler enter the waveguide at the input-coupler, propagate through the waveguide by way of total internal reflections, and exit the waveguide proximate the output-coupler. The radially varying pitch of the curved grating lines of the input-coupler provides angular encoding of infrared light incident on the input-coupler, and more specifically, causes different beams of infrared light incident on respective different horizontal and vertical positions of the input-coupler to propagate through the waveguide at respective different angles of reflection and exit the waveguide at respective different angles of incidence relative to a surface of the waveguide through which infrared light beams exit.
摘要翻译：用于眼睛跟踪的透明波导包括输入耦合器和输出耦合器。输入耦合器包括具有径向变化间距的多个弯曲光栅线。当放置在用红外线照射的眼睛前方时，从眼睛反射并入射到输入耦合器上的红外光束进入输入耦合器处的波导，通过全内反射传播通过波导，并且离开波导靠近输出耦合器。输入耦合器的弯曲光栅线的径向变化的间距对入射到输入耦合器上的红外光的角度编码提供了角度编码，更具体地说，使不同的红外光束入射在输入耦合器的不同的水平和垂直位置上以相应的不同的反射角传播通过波导并以相应的入射角相对于波导的表面离开波导，红外光束通过该表面离开。

6. 发明申请

US20160041384A1 WAVEGUIDE EYE TRACKING EMPLOYING VOLUME BRAGG GRATING 有权
标题翻译：波形眼睛跟踪使用体积BRAGG GRATING
公开(公告)号：US20160041384A1
公开(公告)日：2016-02-11
申请号：US14456512
申请日：2014-08-11
申请人： Steven Robbins , Ian A. Nguyen , Xinye Lou
发明人： Steven Robbins , Ian A. Nguyen , Xinye Lou
IPC分类号： G02B27/00 , G06F3/01 , G02B27/01
CPC分类号： G02B27/0093 , G02B5/18 , G02B27/017 , G02B27/0172 , G06F3/013
摘要： A transparent waveguide, which is for use in tracking an eye that is illuminated by infrared light having an infrared wavelength, includes a volume Bragg grating type of input-coupler adapted to receive infrared light having the infrared wavelength and couple the received infrared light into the waveguide. The volume Bragg grating includes a lower boundary and an upper boundary that is closer to the output-coupler than the lower boundary. A k-vector angle of the volume Bragg grating at the lower boundary is greater than a k-vector angle at the upper boundary, with k-vector angles of the volume Bragg grating between the lower and upper boundaries gradually decreasing as distances decrease between grating planes of the volume Bragg grating and the upper boundary. Additionally, the volume Bragg grating preferably has an angular bandwidth that is no greater than 5 degrees.
摘要翻译：用于跟踪由具有红外波长的红外光照射的眼睛的透明波导包括体积布拉格光栅类型的输入耦合器，其适于接收具有红外波长的红外光并将接收到的红外光耦合到波导。体积布拉格光栅包括比下边界更靠近输出耦合器的下边界和上边界。下边界体积布拉格光栅的k向量角大于上边界的k向量角，下边界和上边界之间的体积布拉格光栅的k向量角随着光栅间距的减小而逐渐减小体积布拉格光栅的平面和上边界。另外，体积布拉格光栅优选具有不大于5度的角带宽。

7. 发明申请

US20170131545A1 WAVEGUIDE COATINGS OR SUBSTRATES TO IMPROVE INTENSITY DISTRIBUTIONS 审中-公开
公开(公告)号：US20170131545A1
公开(公告)日：2017-05-11
申请号：US14936937
申请日：2015-11-10
申请人： R. Andrew Wall , Scott Woltman , Steven John Robbins , Xinye Lou , Gangok Lee , Yarn Chee Poon , Tuomas Vallius , Pasi Kostamo , Tapani Levola , Yijing Fu
发明人： R. Andrew Wall , Scott Woltman , Steven John Robbins , Xinye Lou , Gangok Lee , Yarn Chee Poon , Tuomas Vallius , Pasi Kostamo , Tapani Levola , Yijing Fu
IPC分类号： G02B27/01 , G02B27/42 , G02B27/00
CPC分类号： G02B27/0101 , G02B6/001 , G02B27/0081 , G02B27/0172 , G02B27/4205 , G02B2027/0118 , G02B2027/0125
摘要： An apparatus for use in replicating an image associated with an input-pupil to an output-pupil includes a planar optical waveguide including a bulk-substrate, and also including an input-coupler, an intermediate-component and an output-coupler. The input-coupler couples light corresponding to the image into the bulk-substrate and towards the intermediate-component. The intermediate-component performs horizontal or vertical pupil expansion and directs the light corresponding to the image towards the output-coupler. The output-coupler performs the other one of horizontal or vertical pupil expansion and couples light corresponding to the image, which travels from the input-coupler to the output-coupler, out of the waveguide. The apparatus further includes an adjacent planar optical component to provide a more uniform intensity distribution compared to if the adjacent planar optical component were absent.

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