CN105408803A - 用于双目显示器的球形接口 - Google Patents
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Abstract
一种双目显示器包括波导。凸球形支座相对于波导具有固定位置。光引擎包括凹球形支座，该凹球形支座可调节地与凸球形支座配对。
Description
背景
计算机动画允许用户查看显示器上的计算机模拟的对象和环境，所述显示器诸如电视机或计算机监视器。为了增加用户对计算机生成的环境的沉浸感，用户可以通过虚拟现实显示器来查看计算机生成的环境。这种虚拟现实显示器可以有效地阻挡用户对真实世界的察觉，以使用户感觉上完全沉浸在计算机生成的环境中。为了提供完全沉浸的感觉，在保持连接至真实世界的同时，增强的现实显示器可以将增强的现实图像结合至用户对真实世界的实际观察中。
概述
提供该概述以便以简化形式介绍概念的选集，所述概念在以下详细描述中被进一步描述。本概述并不旨在标识所要求保护主题的关键特征或必要特征，也不旨在用于限制所要求保护主题的范围。而且，所要求保护的主题不限于解决该公开的任一部分中所注的任何或全部缺点的实现方式。
一种双目显示器包括波导。凸球形支座相对于波导具有固定位置。光引擎包括凹球形支座，该凹球形支座可调节地与凸球形支座配对。
附图简述
图1示出示例的双目头戴式显示器。
图2示出了用于可调节地将图1的双目头戴式显示器的光引擎安装到图1的双目头戴式显示器的波导的球形接口。
图3A和3B示出图2的球形接口被用于改变投射到波导中的光的垂直入射角。
图4A和4B示出图2的球形接口被用于改变投射到波导中的光的水平入射角。
图5示出图2的球形接口被用于改变投射到波导中的光的旋转角。
图6示出在波导的一侧上具有球形接口的示例双目头戴式显示器。
图7示出用于双目头戴式显示器的示例计算系统。
详细描述
增强的现实头戴式显示器可用于呈现源自于分开的光源的互补的双目图像。双目图像应当在显示器上准确对齐(即，准确的水平、垂直和旋转对齐)以便于用户的左眼和右眼观察单个统一图像。如果图像未准确对齐，用户将观察到双重图像，该双重图像会是迷惑的。本公开涉及双目图像的准确对齐。
图1示出用于向用户显示增强的现实图像的示例性的双目头戴式显示器100。双目头戴式显示器100包括第一波导102和第一光引擎104。第一光引擎104被用于将光投射到第一波导中，在第一波导中，在光作为第一可查看图像106从第一波导102输出之前光经历全内反射(TIR)。
双目头戴式显示器100还包括第二波导108和第二光引擎110。第二光引擎被用于将光投射到第二波导108中，在第二波导中，在作为与第一可查看图像106互补的第二可查看图像112退出第二波导108之前，光经历TIR。
第一可查看图像106和第二可查看图像112可以增强通过波导对用户可见的现实世界场景。例如，用户可以正通过波导查看空房间，但是可以观察到在其中独角兽出现于该房间中的增强的现实。可观察的图像可以看上去至少部分透明或是完全不透明。例如，不透明图像可用于有效地阻止用户对场景中的真实世界对象的观察。呈现给右眼和左眼的互补图像的准确对齐促进了用户对单个统一图像的感知。
当光进入波导时从光引擎投射的光的角度(即，投射光的水平角、垂直角和/或旋转角)可以影响互补图像的相对对齐。由此，双目头戴式显示器中的互补图像的准确对齐可取决于进入波导的光的三个单独对齐角。
图2示出用于促进双目头戴式显示器中的图像之间的对齐的示例接口。该接口包括相对于波导(诸如第一波导102)具有固定位置的凸球形支座200以及相对于光引擎(诸如第一光引擎104)具有固定位置的凹球形支座202。凸球形支座200可以可调节地与凹球形支座202配对以促进光引擎相对于波导在三个维度上的准确对齐。此外，从光引擎投射的光的入射角可以通过使用这一球形接口相对于波导来设置光引擎来选择性地控制。尽管在右眼的上下文中解说和描述，但这一类型的接口可用于右眼和/或左眼。
图3A是示出凹球形支座202可调节地与凸球形支座200配对以改变投射到波导中的光302的垂直入射角300的垂直横截面。垂直入射角可被调节以改变可查看图像在波导上的位置。图3B是示出当垂直对齐从时间t0改变为时间t1时凹球形支座202和凸球形支座200保持相同的相对水平对齐的水平横截面。
类似地，图4B是示出凹球形支座202可调节地与凸球形支座200配对以改变投射到波导中的光402的水平入射角400的水平横截面。水平入射角可被调节以改变可查看图像在波导上的位置。图4A是示出当水平对齐从时间t0改变为时间t2时凹球形支座202和凸球形支座200保持相同的相对垂直对齐的垂直横截面。
类似地，图5是在与波导光轴垂直的平面中示出凹球形支座202可调节地与凸球形支座200配对以将投射到波导中的光的旋转角500从时间t0改变为时间t3的横截面。旋转角可被调节以改变可查看图像在波导上的定向。
尽管垂直入射角、水平入射角和旋转入射角可彼此独立地被调节，如图3A、3B、4A、4B和5中所示，但可以同时改变两个或三个维度。
如图3A、3B、4A和4B所示，当凸球形支座200与凹球形支座202配对时，光引擎的出射光瞳304位于凸球形支座200的曲率中心以及凹球形支座202的曲率中心。因为出射光瞳位于曲率中心，所以当水平入射角、垂直入射角和/或旋转入射角改变时出射光瞳的位置不变。尽管未作要求，但在所解说的示例中，出射光瞳304是在光引擎外部的投射出射光瞳。
出射光瞳304处的准直投射光在经历TIR之前经由入射光栅306进入波导并且作为可查看图像离开波导。当凸球形支座200与凹球形支座202配对时，入射光栅306也位于凸球形支座200的曲率中心以及凹球形支座202的曲率中心。由此，出射光瞳304的位置与入射光栅306的位置相一致。
配对的凸球形支座200和凹球形支座202之间的接触区域允许支座相对于彼此水平地、垂直地和/或旋转地移动。凸球形支座200的曲率的外半径可基本上匹配凹球形支座的曲率的内半径。支座之间的接触区域可包括不中断的接触表面，如图所示。接触区域附加地或替换地可包括位于凹球形支座上和/或凹球形支座上的一个或多个触点。
球形支座可以被定位在各个地方而不背离本公开的范围。作为一个示例，图2示出位于波导面上的球形支座。此处，凸球形支座定义窗口204，光通过窗口204从光引擎行进进入波导。在这一配置中，水平调节改变光的水平入射角，垂直调节改变光的垂直入射角，而旋转调节改变光的旋转角。要理解的是，框或其他结构可位于球形接口和波导之间。
作为另一示例，图6示出位于波导侧面602上的球形支座600。如同先前讨论的位于面上的选项一样，双目头戴式显示器604可被配置成使得光引擎的投射出射光瞳与波导的入射光栅位于球形支座600的曲率中心。在这一配置中，水平调节改变光的水平入射角，垂直调节改变光的旋转角，而旋转调节改变光的垂直入射角。球形支座可具有替换布置而不背离本公开的范围。
球形支座的大小和形状可被选择为提供期望的可调节水平。一般来说，可调节率可以在每一个方向上为+/-2度。然而，作为非限制性示例，在一些情形中，球形支座可向垂直入射角提供3-6弧分的调节，向水平入射角提供5-10弧分的调节，而向旋转角提供5-10弧分的调节。在调节之后，凹球形支座相对于凸球形支座的位置可用任何合适的方式(例如环氧树脂、固定螺丝等)被永久或暂时设置。此外，上述物理调节可由使投射光在空间光调制器中偏移的电子调节来补充。物理和/或电子调节可以在制造设备中和/或由终端用户来执行。
图7示意性地示出图1的双目头戴式显示器100的计算系统700的非限制性实施例。计算系统700可被集成至双目头戴式显示器100中，或者被实现为与双目头戴式显示器100物理上分开的外围控制器。
计算系统700包括逻辑机702、存储机704以及用于驱动一个或多个光引擎的显示子系统706，所述光引擎诸如图1的第一光引擎104和/或第二光引擎110。计算系统700可任选地包括输入子系统708、通信子系统710和/或图7未示出的其他组件。
逻辑机702包括被配置成执行指令的一个或多个物理设备。例如，逻辑机可以被配置成执行指令，所述指令是一个或多个应用、服务、程序、例程、库、对象、部件、数据结构或其他逻辑构造的一部分。这种指令可被实现以执行任务、实现数据类型、转换一个或多个部件的状态、实现技术效果、或以其他方式得到期望结果。
逻辑机可以包括被配置成执行软件指令的一个或多个处理器。附加地或替换地，逻辑机可以包括被配置成执行硬件或固件指令的一个或多个硬件或固件逻辑机。逻辑机的处理器可以是单核的或多核的，其上执行的指令可以被配置用于串行、并行和/或分布式处理。逻辑机的个别组件可任选地分布在两个或更多个分开的设备之间，所述设备可以位于远程以及/或者被配置用于协同处理。逻辑机的各方面可以被在云计算配置中配置的远程可访问的、联网计算设备虚拟化和执行。
存储机704包括被配置成保持可由逻辑机执行的指令以实现此处描述的方法和过程的一个或多个物理设备。当实现这样的方法和过程时，存储机704的状态可以被变化――例如以保持不同的数据。
存储机704可以包括可移动和/或内置设备。存储机704可以包括光学存储器(例如，CD、DVD、HD-DVD、蓝光碟等)、半导体存储器(例如，RAM、EPROM、EEPROM等)和/或磁性存储器(例如，硬盘驱动器、软盘驱动器、磁带驱动器、MRAM等)、等等。存储机704可以包括易失性的、非易失性的、动态的、静态的、读/写的、只读的、随机存取的、依序存取的、位置可定址的、文件可定址的和/或内容可定址的设备。
将会理解，存储机704包括一个或多个物理设备。然而，此处描述的指令的各方面可替代地由未由物理设备持有达有限持续期的通信介质(例如，电磁信号、光学信号等)传播。
逻辑机702和存储机704的各方面可以被一起集成到一个或多个硬件逻辑组件中。这种硬件逻辑组件可以包括例如场可编程门阵列(FPGA)、程序和应用专用集成电路(PASIC/ASIC)、程序和应用专用标准产品(PSSP/ASSP)、片上系统(SOC)以及复杂可编程逻辑器件(CPLD)。
显示子系统706可用于经由图1的第一光引擎104和第二光引擎110来呈现存储机704所保持的数据的视觉表示。该视觉表示可采取上述增强的现实图像的形式。由于此处描述的方法和过程改变了存储机所保持的数据、且因此转换了存储机的状态，因此显示子系统706的状态可同样地被转换并且使光引擎视觉地表示底层数据中的变化。
在包括输入子系统708时，输入子系统708可以包括或相接于一个或多个用户输入设备。在一些实施例中，输入子系统可以包括或相接于所选择的自然用户输入(NUI)部件。这种部件可以是集成的或是在双目头戴式显示器和/或计算系统外围的，并且输入动作的转导和/或处理可以在板上或板外被处理。示例NUI部件可以包括用于语音和/或话音识别的麦克风；用于机器视觉和/或手势识别的红外、彩色、立体和/或深度照相机；以及用于运动检测和/或意图识别的头部跟踪器、眼部跟踪器、加速度仪和/或陀螺仪。
在包括通信子系统710时，通信子系统710可以被配置成将计算系统700与一个或多个其他计算设备通信耦合。通信子系统710可以包括与一个或多个不同通信协议兼容的有线和/或无线通信设备。作为非限制性示例，通信子系统可以被配置用于经由无线电话网络、或者有线或无线局域网或广域网来通信。在一些实施例中，通信子系统可允许计算系统700经由诸如因特网这样的网络将消息发送至其他设备以及/或者从其他设备接收消息。
将会理解，此处描述的配置和/或方法本质是示例性的，这些具体实施例或示例不应被视为限制性的，因为许多变体是可能的。此处描述的具体例程或方法可以表示任何数量的处理策略中的一个或多个。如此，所示和/或所述的各种动作可以以所示和/或所述顺序、以其他顺序、并行地执行，或者被省略。同样，上述过程的次序可以改变。
本公开的主题包括各种过程、系统和配置以及此处公开的其他特征、功能、动作和/或属性、以及它们的任一和全部等价物的所有新颖且非显而易见的组合和子组合。
Claims (10)
1.一种显示器，包括：
波导；
相对于所述波导具有固定位置的凸球形支座；以及
包括凹球形支座的光引擎，所述凹球形支座与所述凸球形支座可调节地配对。
2.如权利要求1所述的显示器，其特征在于，所述凹球形支座可调节地与所述凸球形支座配对以改变从所述光引擎投射到所述波导中的光的水平入射角。
3.如权利要求1所述的显示器，其特征在于，所述凹球形支座可调节地与所述凸球形支座配对以改变从所述光引擎投射到所述波导中的光的垂直入射角。
4.如权利要求1所述的显示器，其特征在于，所述凹球形支座可调节地与所述凸球形支座配对以改变投射到所述波导中的光的旋转角。
5.如权利要求1所述的显示器，其特征在于，当所述凸球形支座与所述凹球形支座配对时，所述光引擎的出射光瞳位于所述凸球形支座的曲率中心以及所述凹球形支座的曲率中心。
6.如权利要求5所述的显示器，其特征在于，所述出射光瞳是投射出射光瞳。
7.如权利要求1所述的显示器，其特征在于，当所述凸球形支座与所述凹球形支座配对时，所述波导的入射光栅位于所述凸球形支座的曲率中心以及所述凹球形支座的曲率中心。
8.如权利要求1所述的显示器，其特征在于，所述凸球形支座定义窗口，光通过所述窗口从所述光引擎行进进入所述波导。
9.如权利要求1所述的显示器，其特征在于，所述凸球形支座位于所述波导的侧面上。
10.如权利要求1所述的显示器，其特征在于，所述凸球形支座位于所述波导的面上。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/886,161 US9488836B2 (en) | 2013-05-02 | 2013-05-02 | Spherical interface for binocular display |
| US13/886,161 | 2013-05-02 | ||
| PCT/US2014/036469 WO2014179632A1 (en) | 2013-05-02 | 2014-05-02 | Spherical interface for binocular display |
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| Publication Number | Publication Date |
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| CN105408803A true CN105408803A (zh) | 2016-03-16 |
| CN105408803B CN105408803B (zh) | 2018-08-28 |
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| CN201480038035.2A Active CN105408803B (zh) | 2013-05-02 | 2014-05-02 | 用于双目显示器的球形接口 |
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| Country | Link |
|---|---|
| US (1) | US9488836B2 (zh) |
| EP (1) | EP2992383B1 (zh) |
| KR (1) | KR102218997B1 (zh) |
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| WO (1) | WO2014179632A1 (zh) |
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| CN117111201A (zh) * | 2023-10-23 | 2023-11-24 | 深圳市光舟半导体技术有限公司 | 一种单侧入瞳双目波导和ar眼镜 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102218997B1 (ko) | 2021-02-22 |
| EP2992383A1 (en) | 2016-03-09 |
| KR20160000461A (ko) | 2016-01-04 |
| US20140327970A1 (en) | 2014-11-06 |
| US9488836B2 (en) | 2016-11-08 |
| EP2992383B1 (en) | 2021-08-18 |
| WO2014179632A1 (en) | 2014-11-06 |
| CN105408803B (zh) | 2018-08-28 |
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