WO2016176969A1 - 一种虚拟现实眼镜 - Google Patents

一种虚拟现实眼镜 Download PDF

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Publication number
WO2016176969A1
WO2016176969A1 PCT/CN2015/092289 CN2015092289W WO2016176969A1 WO 2016176969 A1 WO2016176969 A1 WO 2016176969A1 CN 2015092289 W CN2015092289 W CN 2015092289W WO 2016176969 A1 WO2016176969 A1 WO 2016176969A1
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Prior art keywords
virtual reality
reality glasses
light
outer casing
disposed
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PCT/CN2015/092289
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English (en)
French (fr)
Inventor
武延兵
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京东方科技集团股份有限公司
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Priority to US15/128,579 priority Critical patent/US10209737B2/en
Publication of WO2016176969A1 publication Critical patent/WO2016176969A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/163—Wearable computers, e.g. on a belt
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B27/0172—Head mounted characterised by optical features
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/0101—Head-up displays characterised by optical features
    • G02B2027/0132—Head-up displays characterised by optical features comprising binocular systems
    • G02B2027/0134—Head-up displays characterised by optical features comprising binocular systems of stereoscopic type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B27/017—Head mounted
    • G02B2027/0178—Eyeglass type
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01—Head-up displays
    • G02B2027/0192—Supplementary details
    • G02B2027/0196—Supplementary details having transparent supporting structure for display mounting, e.g. to a window or a windshield

Definitions

  • the present invention relates to the field of virtual reality display, and in particular to a virtual reality glasses.
  • Virtual reality glasses are virtual reality displays. Wearing virtual reality glasses can close people's vision to the outside world and guide viewers to create a feeling in a virtual environment. Virtual reality glasses have become more and more important. From Google Glass to Microsoft's new holographic glasses, this device that displays in close proximity to the human eye brings us many new experiences.
  • the immersive virtual reality glasses mainly include a casing 101, a display device 102 disposed in the casing 101, an optical imaging device 103 disposed closer to the human eye than the display device 102, and a buffer layer. 104.
  • the display device 102 includes two display panels corresponding to the left and right eye settings
  • the optical imaging device 103 includes two lenses corresponding to the left and right eyes.
  • the optical imaging device 103 projects the content on the display device 102 into the human eye, and the buffer layer 104 can Close contact with the shape of the face to avoid outside light.
  • This prior art has a drawback in that when the viewer wears the virtual reality glasses for viewing, the eyes are in a darker viewing environment, and it is easy to cause fatigue.
  • the present invention provides a virtual reality glasses to alleviate the fatigue of a viewer when wearing virtual reality glasses for viewing.
  • Embodiments of the present invention provide a virtual reality glasses, including a housing and a display device and an optical imaging device disposed in the housing, the optical imaging device being located between the display device and a human eye, the virtual reality glasses A dimming device disposed on the wall of the housing for adjusting ambient light within the virtual reality glasses is also included.
  • the dimming device is a light transmissive window disposed on the wall of the housing.
  • the light transmission window is opened, and the external light is injected into the outer casing of the virtual reality glasses through the light transmission window, thereby improving the interior of the virtual reality glasses.
  • Background environment which reduces The fatigue of the viewer when wearing virtual reality glasses for viewing.
  • the light transmission window comprises a window blank and a shutter rail.
  • the solution can flexibly adjust the opening size of the light transmission window, thereby flexibly adjusting the brightness of the background environment inside the virtual reality glasses, thereby improving the flexibility and comfort of the viewer to operate the light transmission window, and reducing the viewer's wearing the virtual reality glasses for viewing. Fatigue at the time.
  • the light transmission window is disposed between the optical imaging device and the human eye and outside the range of the human eye. This can avoid the introduction of external light to illuminate the eyes to stimulate the eyes, thereby improving the comfort of the viewer when viewing.
  • the light transmission window is disposed on a sidewall of the outer casing.
  • the distance between the two side walls of the outer casing is generally greater than the distance between the top wall and the bottom wall, it is preferable to open the light transmission window on the side wall of the outer casing and outside the angle of view of the human eye, which may be The viewer provides a good viewing environment.
  • the plurality of light transmission windows are distributed on two side walls of the outer casing.
  • the introduced light can be more evenly distributed in the internal environment of the virtual reality glasses, so that the viewer can obtain balanced light for both eyes, thereby uniformly alleviating the fatigue of the eyes of the viewer.
  • the dimming device is an ambient light disposed on an inner wall of the outer casing.
  • an ambient light is disposed on an inner sidewall of the outer casing, and when the viewer feels tired when viewing the content of the display device on the display device for a long time, the ambient light is turned on, and the ambient light is given to the outer casing. Ambient light is provided inside, so that the background environment inside the virtual reality glasses can be improved, thereby reducing the fatigue of the viewer when wearing the virtual reality glasses for viewing.
  • the ambient light is a red light ambient light.
  • the red light environment has less damage to the rhodopsin in the human retinal cells, which is beneficial to protect the viewer's vision.
  • the brightness of the ambient light is no more than three times the brightness of the display device. This can prevent the display device from irritating the viewer's eyes, thereby enabling the viewer to obtain a better viewing effect.
  • the ambient light is disposed on an inner side wall of the outer casing between the optical imaging device and the human eye and outside the range of the human eye. This can avoid the ambient light that is provided to illuminate the eyes and stimulate the eyes, thereby improving the comfort of the viewer when viewing.
  • the ambient light is disposed on an inner side wall of the outer casing.
  • the distance between the two side walls of the outer casing is generally greater than the distance between the top wall and the bottom wall, it is preferable to open the ambient light on the inner side wall of the outer casing and outside the angle of view of the human eye, so that it can be a viewer. Provide a good viewing environment.
  • the plurality of ambient lights are distributed on two inner sidewalls of the outer casing.
  • the introduced light can be more evenly distributed in the internal environment of the virtual reality glasses, so that the viewer can obtain balanced lights for both eyes, thereby balancing the eye fatigue.
  • FIG. 1 is a schematic structural view of a prior art virtual reality glasses
  • FIG. 2 is a schematic structural diagram of virtual reality glasses according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of virtual reality glasses according to another embodiment of the present invention.
  • the embodiment of the present invention provides a virtual reality glasses.
  • the virtual reality glasses include a housing and a housing a display device and an optical imaging device disposed within the housing, the optical imaging device being located between the display device and a human eye, the virtual reality glasses further comprising a dimming device disposed on the wall of the housing, Adjust the ambient light inside the virtual glasses.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the virtual reality glasses provided by the first embodiment of the present invention include a housing 201 and a display device 202 and an optical imaging device 203 disposed in the housing 201.
  • the optical imaging device 203 is located between the display device 12 and the human eye.
  • the virtual reality glasses further include a light transmissive window 15 disposed on the wall of the housing.
  • the specific type of the display device 202 is not limited, and the display device 202 may include two display panels corresponding to the left and right eye settings; in addition, the display device 202 may also include a display panel including the corresponding left and right sides.
  • the optical imaging device 203 may include two lenses corresponding to left and right eye settings, and the type of the optical imaging device 203 is not limited, for example, the optical imaging device 13 may include different types of lens groups.
  • the light transmission window 205 is disposed on the wall of the casing, and when the viewer feels tired when viewing the content of the display device 202 in the virtual reality glasses for a long time, the light transmission window 205 is opened, and the external light is The light-transmitting window 205 is injected into the outer casing 201 of the virtual reality glasses, thereby improving the background environment inside the virtual reality glasses, thereby reducing the fatigue of the viewer when wearing the virtual reality glasses for viewing.
  • the light transmissive window 205 includes a window flap 207 and a flap rail 206. Adjusting the position of the window flap 207 on the flap rail 206, the opening size of the light transmission window 205 can be adjusted to control the amount of external light incident, thereby flexibly adjusting the brightness of the background environment inside the virtual reality glasses. The design can improve the comfort of the viewer when viewing, and further reduce the fatigue during viewing. It is worth mentioning that the light transmission window 205 may also be other types of light transmission windows other than the push-pull type, such as a split type, a roll type, and the like, which are not specifically limited herein.
  • the light transmission window 205 is disposed on the optical imaging device 203. On the outer wall of the housing and the human eye, outside the range of the human eye.
  • the light-transmitting window 205 is disposed outside the range of the human eye's viewing angle to avoid the introduction of external light to illuminate the eye, thereby reducing irritation to the eyes and further improving the comfort of the viewer when viewing.
  • the specific arrangement position of the light transmission window 205 is not limited, and may be provided, for example, at the top wall, the bottom wall or the side wall of the outer casing 201. Since the distance between the two side walls of the outer casing 201 is generally greater than the distance between the top wall and the bottom wall, it is preferred to open the light transmissive window 205 on the side wall of the outer casing 201 and outside the viewing angle of the human eye.
  • the light transmission window 205 is plural and distributed on two side walls of the outer casing 201. This allows the introduced light to be more evenly distributed in the internal environment of the virtual reality glasses, so that the viewer can obtain a more balanced light in both eyes and alleviate the fatigue of both eyes.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • another embodiment of the present invention provides a virtual reality glasses, including a housing 301 and a display device 302 and an optical imaging device 303 disposed in the housing 301.
  • the optical imaging device 303 is located near the human eye of the display device 302.
  • the virtual reality glasses further include an ambient light 305 disposed on an inner side wall of the outer casing.
  • the specific type of the display device 302 is not limited, and the display device 302 may include two display panels corresponding to the left and right eye settings; in addition, the display device 302 may also include a display panel, and the display panel includes corresponding sides.
  • the optical imaging device 303 may include two lenses corresponding to left and right eye settings, and the type of the optical imaging device 303 is not limited, for example, the optical imaging device 303 may include different types of lens groups.
  • a buffer layer 304 is disposed on a portion of the outer wall of the outer casing 301 that is in contact with the human face.
  • the ambient light 305 is disposed on the inner side wall of the outer casing 301, and when the viewer feels tired when viewing the content of the display device 302 in the virtual reality glasses for a long time, the ambient light 305 is turned on, providing The ambient light in the outer casing 301 of the virtual reality glasses is improved, thereby improving the background environment inside the virtual reality glasses, thereby reducing the fatigue of the viewer when wearing the virtual reality glasses for viewing.
  • the ambient light preferably uses a red ambient light.
  • the cylindrical cells on the retina of the human eye contain a photoreceptor called rhodopsin, which is synthesized from vitamin A and a protein. At night, cylindrical cells need to be certain when receiving light stimulation.
  • the amount of vitamin A involved in the chemical reaction can produce vision. If you work in a dark environment for a long time, vitamin A is consumed too much or not replenished in time, the rhodopsin will be reduced, and the eye will be reduced in light under weak light.
  • the red light environment lamp has less damage to the rhodopsin. Therefore, in a dark environment, setting the ambient light to a red light environment lamp is beneficial to protect the viewer's vision.
  • the brightness of the ambient light is too large to cause irritation to the viewer's eyes.
  • the brightness of the ambient light 305 is not higher than three times the brightness of the display device 302.
  • the ambient light 305 is disposed between the optical imaging device 303 and the human eye and outside the range of the human eye's viewing angle, so as to prevent the provided ambient light from illuminating the eyes and causing irritation to the eyes, thereby improving viewer viewing. Comfort when.
  • the specific setting position of the ambient lamp 305 is not limited, and may be provided, for example, at the top wall, the bottom wall or the side wall of the outer casing 301. Since the distance between the two side walls of the outer casing 301 is generally greater than the distance between the top wall and the bottom wall, it is preferred to open the ambient light 305 on the inner side wall of the outer casing 301 and outside the viewing angle of the human eye.
  • the plurality of ambient lamps 305 are distributed on the two inner sidewalls of the outer casing 301, so that the introduced light is more evenly distributed in the internal environment of the virtual reality glasses, so that the viewer can obtain both eyes. Balanced lighting, which in turn can balance the fatigue of both eyes.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Eyeglasses (AREA)

Abstract

一种虚拟现实眼镜，包括外壳（201，301）以及设置于外壳（201，301）内的显示设备（202，302）和光学成像设备（203，303），光学成像设备（203，303）位于显示设备（202，302）与人眼之间，此外，虚拟现实眼镜还包括设置于外壳（201，301）的壁上的调光装置。当观看者长时间观看虚拟现实眼镜感到疲劳时，可以控制调光装置来调整虚拟现实眼镜内的环境光，改善虚拟现实眼镜内部的背景环境，从而可以减轻观看者在佩戴虚拟现实眼镜进行观看时的疲劳感。

Description

一种虚拟现实眼镜 技术领域
本发明涉及虚拟现实显示领域，特别是涉及一种虚拟现实眼镜。
背景技术
虚拟现实眼镜是一种虚拟现实显示器，佩戴虚拟现实眼镜可以将人对外界的视觉封闭，引导观看者产生一种身在虚拟环境中的感觉。虚拟现实眼镜已经愈发受到重视，从谷歌眼镜，到微软新推出的全息眼镜，这种在人眼前近距离显示的装置带给我们带来许多全新的体验。
虚拟现实眼镜有许多种，其中，沉浸式虚拟现实眼镜是一种非透明的虚拟现实眼镜。在现有技术中，如图1所示，沉浸式虚拟现实眼镜主要包括外壳101、设置在外壳101内的显示设备102，相对显示设备102更靠近人眼设置的光学成像设备103，以及缓冲层104。其中，显示设备102包括对应左右眼设置的两个显示面板，光学成像设备103包括对应左右眼设置的两个透镜，光学成像设备103将显示设备102上的内容投射到人眼中，缓冲层104可以与人脸外形紧密接触，避免外界光线进入。
该现有技术存在的缺陷在于，观看者在佩戴虚拟现实眼镜进行观看时，眼睛处于一个较暗的观看环境中，很容易产生疲劳感。
发明内容
本发明提供了一种虚拟现实眼镜，以减轻观看者在佩戴虚拟现实眼镜进行观看时的疲劳感。
本发明实施例提供了一种虚拟现实眼镜，包括外壳以及设置于所述外壳内的显示设备和光学成像设备，所述光学成像设备位于所述显示设备与人眼之间，所述虚拟现实眼镜还包括设置于所述外壳壁上的调光装置，用于调整虚拟现实眼镜内的环境光。
根据本发明的一个实施例，调光装置是设置在外壳壁上的透光窗。当观看者长时间观看虚拟现实眼镜中显示设备上明暗变化的内容而感到疲劳时，打开透光窗，外界光线通过透光窗射入到虚拟现实眼镜的外壳内，从而改善了虚拟现实眼镜内部的背景环境，进而减轻了 观看者在佩戴虚拟现实眼镜进行观看时的疲劳感。
可选的，所述透光窗包括窗口挡片和挡片导轨。通过该方案可以灵活调节透光窗的开口大小，从而灵活调节虚拟现实眼镜内部的背景环境亮度，进而提高观看者操作透光窗的灵活度和舒适度，减轻观看者在佩戴虚拟现实眼镜进行观看时的疲劳感。
优选的，所述透光窗设置于光学成像设备与人眼之间且位于人眼视角范围之外。这样可以避免引入的外界光线照射眼睛对眼睛产生刺激，从而可以提高观看者观看时的舒适度
优选的，所述透光窗设置于所述外壳的侧壁上。在本方案中，由于外壳两个侧壁的距离通常大于顶壁与底壁的距离，因此，优选将透光窗开设在外壳的侧壁上，并且位于人眼视角范围之外，这样可以为观看者提供一个良好的观看环境。
优选的，所述透光窗为多个，分布于所述外壳的两个侧壁上。这样可以使引入的光线更加均匀地分布在虚拟现实眼镜的内部环境中，从而可以使观看者双眼获得均衡的光线，进而可以均衡缓解观看者双眼的疲劳。
根据本发明的另一实施例，调光装置是设置于所述外壳内壁上的环境灯。
在本发明实施例的技术方案中，在外壳内侧壁上设置环境灯，当观看者长时间观看虚拟现实眼镜中显示设备上明暗变化的内容而感到疲劳时，打开环境灯，由环境灯给外壳内提供环境光，从而可以改善虚拟现实眼镜内部的背景环境，进而减轻观看者在佩戴虚拟现实眼镜进行观看时的疲劳感。
较佳的，所述环境灯为红光环境灯。在黑暗环境中，红光环境灯对人眼视网膜细胞中视紫红质的破坏作用较小，有利于保护观看者的视力。
较佳的，所述环境灯的亮度不高于所述显示设备亮度的三倍。这样可以避免显示设备对观看者眼睛产生刺激，从而可以使观看者获得一个较佳的观看效果。
优选的，所述环境灯设置于光学成像设备与人眼之间的外壳的内侧壁上且位于人眼视角范围之外。这样可以避免提供的环境光光线照射眼睛对眼睛产生刺激，从而可以提高观看者观看时的舒适度。
优选的，所述环境灯设置于所述外壳的内侧壁上。在本方案中，由于外壳两个侧壁的距离通常大于顶壁与底壁的距离，因此，优选将环境灯开设在外壳的内侧壁，并且位于人眼视角范围之外，这样可以为观看者提供一个良好的观看环境。
可选的，所述环境灯为多个，分布于所述外壳的两个内侧壁上。这样可以使引入的光线更加均匀地分布在虚拟现实眼镜内部环境中，从而可以使观看者双眼获得均衡的灯光，进而可以均衡缓解双眼疲劳。
附图说明
图1为现有技术的虚拟现实眼镜结构示意图；
图2为本发明一实施例的虚拟现实眼镜结构示意图；
图3为本发明另一实施例的虚拟现实眼镜结构示意图。
附图标记：
101-外壳；
102-显示设备；
103-光学成像设备；
104-缓冲层；
201-外壳；
202-显示设备；
203-光学成像设备；
205-透光窗；
206-挡片导轨；
207-窗口挡片；
301-外壳；
302-显示设备；
303-光学成像设备；
304-缓冲层；
305-环境灯。
具体实施方式
为了减轻观看者在佩戴虚拟现实眼镜进行观看时的疲劳感，本发明实施例提供了一种虚拟现实眼镜。该虚拟现实眼镜包括外壳以及设 置于所述外壳内的显示设备和光学成像设备，所述光学成像设备位于所述显示设备与人眼之间，所述虚拟现实眼镜还包括设置于所述外壳壁上的调光装置，用于调整虚拟眼镜内的环境光。当观看者长时间观看虚拟现实眼镜中显示设备上明暗变化的内容而感到疲劳时，通过控制所述调光装置，用户可以改善虚拟现实眼镜内部的背景环境，进而减轻了观看者在佩戴虚拟现实眼镜进行观看时的疲劳感。
为使本发明的目的、技术方案和优点更加清楚，以下举实施例对本发明作进一步详细说明。
实施例一：
如图2所示，本发明第一实施例提供的虚拟现实眼镜，包括外壳201以及设置于外壳201内的显示设备202和光学成像设备203，光学成像设备203位于显示设备12与人眼之间。虚拟现实眼镜还包括设置于外壳壁上的透光窗15。
在本发明的实施例中，显示设备202的具体类型不限，显示设备202可以包括对应左右眼设置的两个显示面板；此外，显示设备202也可以包括一个显示面板，该显示面板包括对应左右眼设置的两部分显示区域。光学成像设备203可包括对应左右眼设置的两个透镜，光学成像设备203的类型不限，例如光学成像设备13可以包括不同类型的透镜组。
在上述实施例的技术方案中，在外壳壁上设置透光窗205，当观看者长时间观看虚拟现实眼镜中显示设备202上明暗变化的内容而感到疲劳时，打开透光窗205，外界光线通过透光窗205射入到虚拟现实眼镜的外壳201内，从而改善了虚拟现实眼镜内部的背景环境，进而减轻了观看者在佩戴虚拟现实眼镜进行观看时的疲劳感。
继续参照图2所示，透光窗205包括窗口挡片207和挡片导轨206。调节窗口挡片207在挡片导轨206上的位置，可以调节透光窗205的开口大小，控制外界光线的射入量，从而灵活调节虚拟现实眼镜内部的背景环境亮度。通过该设计方案可以提高观看者观看时的舒适度，进一步减轻观看时的疲劳感。值得一提的是，透光窗205也可以是除此种推拉式之外的其他类型透光窗，如对开式、卷帘式等，这里不做具体限定。
如图2所示，在该实施例中，透光窗205设置于光学成像设备203 与人眼之间的外壳壁上且位于人眼视角范围之外。透光窗205设置于人眼视角范围之外可以避免引入的外界光线照射眼睛，从而减少对眼睛的刺激，进一步提高观看者观看时的舒适度。
在上述实施例中，透光窗205的具体设置位置不限，例如可以设置在外壳201的顶壁、底壁或者侧壁。由于外壳201两个侧壁的距离通常大于顶壁与底壁的距离，因此，优选将透光窗205开设在外壳201的侧壁，并且位于人眼视角范围之外。
如图2所示，透光窗205为多个，分布于外壳201的两个侧壁。这样可以使引入的光线更加均匀地分布在虚拟现实眼镜的内部环境中，从而可以使观看者双眼获得较为均衡的光线，缓解双眼疲劳。
实施例二：
如图3所示，本发明另一实施例提供了一种虚拟现实眼镜，包括外壳301以及设置于外壳301内的显示设备302和光学成像设备303，光学成像设备303位于显示设备302靠近人眼的一侧；虚拟现实眼镜还包括设置于外壳内侧壁上的环境灯305。
在本发明的实施例中，显示设备302的具体类型不限，显示设备302可以包括对应左右眼设置的两个显示面板；此外，显示设备302也可以包括一个显示面板，该显示面板包括对应左右眼设置的两部分显示区域。光学成像设备303可包括对应左右眼设置的两个透镜，光学成像设备303的类型不限，例如光学成像设备303可以包括不同类型的透镜组。
在本发明实施例中，为了避免外界光线进入，同时提高佩戴虚拟现实眼镜的舒适性，在外壳301外壁与人脸接触的部分设置有缓冲层304。
在本发明实施例的技术方案中，在外壳301内侧壁上设置环境灯305，当观看者长时间观看虚拟现实眼镜中显示设备302上明暗变化的内容而感到疲劳时，打开环境灯305，提供给虚拟现实眼镜的外壳301内环境光，从而改善了虚拟现实眼镜内部的背景环境，进而减轻了观看者在佩戴虚拟现实眼镜进行观看时的疲劳感。
在本发明实施例中，所述环境灯优选采用红光环境灯。人眼视网膜上的圆柱细胞内含有一种叫视紫红质的感光物质，视紫红质由维生素A与一种蛋白质合成。夜里，圆柱细胞在接受光刺激时，需要一定 量的维生素A参与化学反应，才能产生视觉。如果长期在黑暗环境里工作，维生素A消耗得太多或得不到及时补充，视紫红质会减少，眼睛在微弱光线下就会视力降低。而红光环境灯对视紫红质的破坏作用较小，因此，在黑暗环境中，设置环境灯为红光环境灯有利于保护观看者的视力。
在本发明实施例中，环境灯的亮度太大会对观看者眼睛产生刺激，为了使观看者获得较佳的观看效果，优选的，环境灯305的亮度不高于显示设备302亮度的三倍。
如图3所示，环境灯305设置于光学成像设备303与人眼之间且位于人眼视角范围之外，这样可以避免提供的环境光光线照射眼睛对眼睛产生刺激，从而可以提高观看者观看时的舒适度。
在上述实施例中，环境灯305的具体设置位置不限，例如可以设置在外壳301的顶壁、底壁或者侧壁。由于外壳301两个侧壁的距离通常大于顶壁与底壁的距离，因此，优选将环境灯305开设在外壳301的内侧壁，并且位于人眼视角范围之外。
如图3所示，优选的，环境灯305为多个，分布于外壳301的两个内侧壁，可以使引入的光线更加均匀地分布在虚拟现实眼镜内部环境中，从而可以使观看者双眼获得均衡的灯光，进而可以均衡缓解双眼疲劳。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (12)

  1. 一种虚拟现实眼镜，包括外壳以及设置于所述外壳内的显示设备和光学成像设备，所述光学成像设备位于所述显示设备与人眼之间，其特征在于，还包括：
    调光装置，用于调整虚拟现实眼镜内的环境光。
  2. 如权利要求1所述的虚拟现实眼镜，其特征在于所述调光装置是设置于所述外壳壁上的透光窗。
  3. 如权利要求2所述的虚拟现实眼镜，其特征在于，所述透光窗包括窗口挡片和挡片导轨。
  4. 如权利要求2所述的虚拟现实眼镜，其特征在于，所述透光窗设置于光学成像设备与人眼之间且位于人眼视角范围之外。
  5. 如权利要求4所述的虚拟现实眼镜，其特征在于，所述透光窗设置于所述外壳的侧壁。
  6. 如权利要求5所述的虚拟现实眼镜，其特征在于，所述透光窗为多个，分布于所述外壳的两个侧壁。
  7. 如权利要求1所述的虚拟现实眼镜，其特征在于所述调光装置是设置于所述外壳内壁上的环境灯。
  8. 如权利要求7所述的虚拟现实眼镜，其特征在于，所述环境灯为红光环境灯。
  9. 如权利要求7或8所述的虚拟现实眼镜，其特征在于所述环境灯的亮度不高于所述显示设备亮度的三倍。
  10. 如权利要求7所述的虚拟现实眼镜，其特征在于，所述环境灯设置于光学成像设备与人眼之间且位于人眼视角范围之外。
  11. 如权利要求10所述的虚拟现实眼镜，其特征在于，所述环境灯设置于所述外壳的内侧壁。
  12. 如权利要求11所述的虚拟现实眼镜，其特征在于，所述环境灯为多个，分布于所述外壳的两个内侧壁。
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