WO2015043142A1 - 一种三维眼镜及一种三维显示系统 - Google Patents

一种三维眼镜及一种三维显示系统 Download PDF

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Publication number
WO2015043142A1
WO2015043142A1 PCT/CN2014/073854 CN2014073854W WO2015043142A1 WO 2015043142 A1 WO2015043142 A1 WO 2015043142A1 CN 2014073854 W CN2014073854 W CN 2014073854W WO 2015043142 A1 WO2015043142 A1 WO 2015043142A1
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WIPO (PCT)
Prior art keywords
lens
dimensional
counterweight
weight
rolling
Prior art date
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PCT/CN2014/073854
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English (en)
French (fr)
Inventor
浩育涛
赵峰
邹斌
张乾
郭俊杰
Original Assignee
北京京东方显示技术有限公司
京东方科技集团股份有限公司
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Application filed by 北京京东方显示技术有限公司, 京东方科技集团股份有限公司 filed Critical 北京京东方显示技术有限公司
Priority to US14/388,617 priority Critical patent/US9678353B2/en
Publication of WO2015043142A1 publication Critical patent/WO2015043142A1/zh

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
    • 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
    • G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
    • G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
    • G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
    • G02B30/24—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type involving temporal multiplexing, e.g. using sequentially activated left and right shutters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • 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
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/0152—Head-up displays characterised by mechanical features involving arrangement aiming to get lighter or better balanced devices
    • 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
    • G02B27/0149—Head-up displays characterised by mechanical features
    • G02B2027/0154—Head-up displays characterised by mechanical features with movable elements
    • 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

Definitions

  • the present invention relates to the field of three-dimensional display technology, and in particular to a three-dimensional eyeglass and a three-dimensional display system.
  • Three-dimensional display has always been considered the ultimate dream of display technology development, and many companies and research institutions have been working on this field for many years. Developed countries and regions such as Japan, Europe, America, and South Korea were involved in the research and development of 3D display technology as early as the 1980s. In the 1990s, they began to obtain different levels of research results. Now they have developed 3D glasses and do not need to wear them. Two large three-dimensional display technology systems for dimensional glasses.
  • the mirror can be divided into early color difference type, and today's shutter type and polarized type three-dimensional display technology.
  • early color difference type the three-dimensional display technology
  • today's shutter type and polarized type three-dimensional display technology wearers are required to wear corresponding forms of 3D glasses.
  • the wearer is required to properly wear and maintain the correct head posture while viewing, so that the transmission axis of the lens is at an appropriate angle to the polarization axis of the image of the display device.
  • the three-dimensional display device displays polarized light whose polarization directions are perpendicular to each other according to the left and right warm images.
  • the transmission axis direction of the left lens is parallel to the polarization axis of the left eye image, and the left eye can see the left eye image.
  • the direction of the transmission axis of the right lens is perpendicular to the polarization axis of the left warm image, and the image of the left eye cannot be seen by the right eye.
  • the right eye image is displayed, the situation is exactly the opposite.
  • the three-dimensional display device divides the image into two by frame, and forms two sets of images corresponding to the left eye and the right eye, and alternately displays them in the same polarization direction.
  • the infrared signal transmitter mounted on the three-dimensional display device will synchronously control the switches of the left and right shutter lenses of the corresponding ⁇ ⁇ warm mirror, wherein the shutter lens usually realigns the liquid crystal molecules when they are powered to change the liquid crystal.
  • the principle of screen transparency enables the left and right eyes to see the corresponding picture at the right moment.
  • the left and right shutter lenses of this type of three-dimensional warm mirror are polarized lenses, and their transmission axes are the same. In the correct viewing position, their transmission axis should be corresponding to the corresponding three-dimensional display device.
  • the polarized light of the emitted polarized light is parallel.
  • the wearer's two eyes see different screens for fast switching, and an illusion is generated in the brain to view the three-dimensional image.
  • the above prior art has a drawback in that the wearer needs to maintain the correct posture when viewing, and if the mirror is rotated by a certain angle with the head to the left and right, the transmission axis of the lens and the polarization of the image of the display device If the optical axis can no longer maintain a proper angle, a good viewing effect cannot be obtained, and a string sensation and fatigue are apt to occur.
  • the present invention provides a three-dimensional eyeglass and a three-dimensional display system that enable a wearer to obtain a better three-dimensional viewing effect and reduce the wearer's sense of stringiness and fatigue.
  • a 3D glasses including:
  • a frame comprising two lens frames, each of the lens frames having a mating portion; two lenses rotatably mounted on the mating portions of the two lens frames, each edge of the lens being fixed There is at least one weight member for rotating the lens to the equilibrium position.
  • the transmission axis of one of the lenses is parallel to the polarization axis of the left eye image of the three-dimensional display device, and the other lens is transparent.
  • the axis is parallel to the polarization axis of the right eye image of the three dimensional display device.
  • the two lenses are respectively rotated to the equilibrium position by the corresponding at least one weight member, that is, rotated to the at least one
  • the center of gravity of the heavy component is at the same vertical line but not coincident with the center of gravity of the lens.
  • the transmission axis of one of the lenses is parallel to the polarization axis of the left eye image of the three-dimensional display device, and the other lens is The transmission axis is parallel to the polarization axis of the right eye image of the three-dimensional display device.
  • the mechanical structure maintains the transmission axis of each lens at an appropriate angle with the polarization axis of the image of the display device, thereby enabling the wearer to obtain a better three-dimensional viewing effect and reducing the wearer's chord and fatigue.
  • the mating portion is a slide rail or a chute inside each lens frame.
  • the number of the weight components is at least two, and the weight components are all or part of a sliding body that is slidingly engaged with the sliding rail or the sliding slot, and the lens passes at least two
  • the sliding body is rotatably mounted on the slide rail or chute of the corresponding lens frame.
  • the sliding body is preferably For the slider.
  • the number of the weight members is at least two, and the weight members are all or part of: a rolling body seat fixed to the edge of the lens, and rotatably disposed on the rolling body seat a rolling body which is inwardly engaged with the sliding rail or the sliding groove, and the lens is rotatably mounted on the sliding rail or the sliding groove of the corresponding lens frame by at least two of the rolling bodies.
  • the rolling body comprises a ball, a roller or a needle.
  • the assembly of the lens and the weight member has the lowest center of gravity in the equilibrium position compared to the other positions. Further preferably, at the equilibrium position, the center of gravity of the weight member and the center of gravity of the lens are on the same plumb line but not coincident, and the center of gravity of the weight member is less than the radius of the lens.
  • Such a solution can make the rotation of the lens relative to the lens frame more stable.
  • the number of the weight components is one, wherein the weight of the first weight component is the largest, and the weights of the second weight component and the third weight component are equal and symmetrically distributed in the first Heavy components on both sides. Further preferably, the three weight components are evenly distributed over the edge of the lens.
  • the first weight member is located directly below the center of gravity of the lens, and the second weight member and the third weight member are symmetrically distributed on both sides of the first weight member. The rotation of the lens relative to the lens frame is more stable.
  • the lens is a circle or a regular polygon.
  • the lens frame is circular or elliptical. The above specific embodiments have better visual effects.
  • the lens frame is elliptical, and a ring or a sliding rail is arranged around the lens in a sliding fit with the sliding rail or the sliding slot.
  • the weight component is fixed on the surface of the lens near the periphery, or is embedded in the interior of the lens near the periphery. .
  • the lens is a polarized lens or a shutter lens. Regardless of the form of the lens selected, the transmission axis of the lens and the polarization axis of the image of the display device are maintained at an appropriate angle, so that the wearer can obtain a better three-dimensional viewing effect.
  • the embodiment of the invention further provides a three-dimensional display system, which comprises the above-mentioned one-dimensional glasses, which can enable the wearer to obtain a better three-dimensional viewing effect, and the wearer does not produce obvious vertigo and fatigue.
  • sense. 1 is a schematic structural view of a three-dimensional limiting mirror according to an embodiment of the present invention
  • FIG. 2 is a schematic view showing the assembly structure of the lens and the lens frame in the 3D glasses according to another preferred embodiment
  • FIG. 3 is a schematic view showing the assembly structure of the lens and the lens frame in the 3D glasses according to another preferred embodiment
  • FIG. 4 is another preferred embodiment. Schematic diagram of the assembly structure of the lens and the lens frame in the 3D glasses
  • FIG. 5 is a schematic view showing the assembly structure of the lens and the lens frame in the 3D glasses of another preferred embodiment.
  • polarization axis also referred to as the polarization polarization axis, refers to the polarization direction of the polarized light after passing through the polarizer;
  • transmission axis refers to the light allowed to pass through the polarizer (lens). The direction of vibration is called the transmission axis of the polarizer.
  • embodiments of the present invention provide a spectacles and a three-dimensional display system in which the wearer's head is When yawed to the left and right, the two lenses are respectively rotated to the equilibrium position by the corresponding at least one weight member, and in the balanced position, the transmission axis of one of the lenses and the left side of the display device are warm
  • the polarization axes of the images are parallel
  • the transmission axis of the other lens is parallel to the polarization axis of the right warm image of the three-dimensional display device.
  • the mechanical structure maintains the transmission axis of each lens and the polarization axis of the image of the display device at an appropriate angle, thereby enabling the wearer to obtain a better dimensional viewing effect and reducing the vertigo and fatigue of the wearer.
  • an embodiment of the present invention provides a spectacles, including:
  • the frame 1 comprising two lens frames 2 for mounting lenses, a temple and a connecting portion connecting the two lens frames, each of the inner sides of the lens frame 2 having Chute ⁇
  • Two lenses 4 are rotatably mounted in the sliding grooves 3 of the two lens frames 2, and at least one weight member 5 for rotating the lens 4 to the equilibrium position is fixed to the edge of each of the lenses 4, when two When the lens 4 is in the equilibrium position, the transmission axis of one of the lenses 4 is parallel to the polarization axis of the left eye image of the three-dimensional display device, and the transmission axis of the other lens 4 is parallel to the polarization axis of the right image of the three-dimensional display device.
  • the equilibrium position refers to a position where the lens 4 has no rotation relative to the chute 3, and the position of the lens 4 and the weight member 5 has the lowest center of gravity and is relatively stable compared with other positions, and the transmission axis of the lens 4
  • the axis of polarization with the image of the display device is maintained at an appropriate angle.
  • the specific shape of the lens frame 2 and the lens 4 is not limited as long as the lens 4 can be fitted in the sliding groove 3 of the lens frame 2 and can be rotated relative to the sliding groove 3.
  • the lens 4 is a circular or regular polygon, and the lens frame 2 is circular, which has a good visual effect.
  • the lens frame 2 is circular
  • the lens 4 is square
  • the weight member 5 is disposed at each vertex of the square lens 4
  • the lens 4 is rotatably fitted in the sliding groove 3 of the lens frame 2.
  • the lens 4 may be a polarized lens or a shutter lens.
  • the three-dimensional glasses of the above embodiments regardless of the form of the lens, can maintain the optical axis of the lens and the polarization axis of the image of the display device at an appropriate angle, so that the wearer can obtain a better three-dimensional viewing effect.
  • the two lenses 4 are respectively in the corresponding at least one weight member 5.
  • the lower portion is rotated to the equilibrium position, preferably to the equilibrium position where the center of gravity of the at least one weight member 5 and the center of gravity of the lens 4 are in the same vertical line but not coincident.
  • the transmission axis of one of the lenses 4 is parallel to the polarization axis of the left warm image of the two-dimensional display device, and the transmission axis of the other lens 4 is parallel to the polarization axis of the right-eye image of the three-dimensional display device.
  • the mechanical structure maintains the transmission axis of each lens 4 at an appropriate angle with the polarization axis of the image of the display device, thereby enabling the wearer to obtain a better viewing view and reducing the vertigo of the wearer and Fatigue.
  • the 3D glasses are a shutter type warm mirror
  • the two lenses 4 are respectively at the corresponding at least one weight member 5 Rotating to the equilibrium position, that is, rotating to the center of gravity of the at least one weight member 5
  • An equilibrium position that is located on the same vertical line as the center of gravity of the lens 4 but does not coincide.
  • the transmission axis of one of the lenses 4 is parallel to the polarization axis of the left warm image of the three-dimensional display device
  • the transmission axis of the other lens 4 is parallel to the polarization axis of the right-eye image of the three-dimensional display device.
  • the transmission axes of the left and right lenses 4 are The polarization axes of the images of the three-dimensional display device are all parallel, that is: the mechanical structure maintains the transmission axis of each lens 4 at an appropriate angle with the polarization axis of the image of the display device, thereby enabling the wearer to obtain a better three-dimensional Watch the effect and reduce the vertigo and fatigue of the wearer.
  • the specific number of the weight members 5 is not limited, and may be, for example, one, two, or three, etc., as long as the positions of the respective weight members 5 can make the lens 4 meet the optical requirements in the equilibrium position (ie, the transmission axis) It is sufficient to be parallel to the polarization axis of the left eye image or the right warm image.
  • the number of the weight members 5 is one, wherein the weight of the first weight member is the largest, and the weights of the second weight member and the third weight member are equal and symmetrical. It is disposed on both sides of the first weight component at the edge of the lens 4. When the lens 4 is in the equilibrium position, the first weight member is located below the center of gravity O of the lens 4.
  • the three weight members 5 are evenly distributed on the edge of the lens 4, such that the center of gravity of the three weight members 5 and the center of gravity of the lens 4 are smaller than the radius of the lens 4, so that the lens 4 can be opposite to the lens frame 2.
  • the rotation is more stable.
  • the rotatably assembled form of the lens 4 and the chute 3 is not limited.
  • the number of the weight members 5 is at least two, and the weight member is The sliding body 6 of the sliding groove 3 is slidably fitted.
  • the sliding body 6 is three sliders.
  • the mirror 4 is rotatably fitted in the sliding groove 3 of the corresponding lens frame 2 by means of at least two sliding bodies 6. In this configuration, at least two sliding bodies 6 are slidably engaged with the sliding groove 3 so that the lens 4 can be rotated relative to the sliding groove 3, and the sliding body 6 serves as a weight member, and at least two sliding bodies 6 can maintain the lens 4 in an equilibrium position. .
  • the number of the weight members 5 is at least two (three in FIG. 4), and the weight members include: fixed to the lens 4 A rolling body seat 7 at the edge and a rolling body 8 rotatably disposed in the rolling body seat 7 and in rolling engagement with the sliding groove 3.
  • the lens 4 is rotatably mounted in the sliding groove 3 of the corresponding lens frame 2 by means of at least two rolling bodies 8.
  • the rolling body 8 can be a ball, a roller or a needle roller, etc., and can be selected as needed. Choice, there is no specific limit here.
  • At least two rolling bodies 8 are in rolling engagement with the chute 3 such that the lens 4 can be rotated relative to the chute 3, and the rolling body seat 7 and the rolling bodies 8 arranged in the rolling body seat 7 as a whole
  • the heavy component, at least two weight components maintains the lens 4 in an equilibrium position.
  • the rolling element 8 and the sliding slot 3 are in a rolling fit, and the friction is small, which makes the rotation of the lens 4 relative to the sliding slot 3 relatively stable and reliable.
  • the lens 4 can also be rotatably assembled in the sliding slot 3 of the lens frame 2 by other structures, and the weight member 5 is only used to adjust the lens 4 to Balance the position.
  • the weight member 5 may be disposed at the edge of the lens 4 or at a position near the edge of the lens 4.
  • two equal weight sliders are attached to the periphery of the lens, each slider slidingly mating with the chute, and several weight components are additionally attached around the lens to adjust the lens to a balanced position.
  • the lens frame 2 is elliptical, and a slide rail 9 is slidably engaged with the sliding groove 3 around the lens 4.
  • the weight member 5 is fixed on the surface of the lens 4 near the periphery. Or it is embedded in the inner part of the lens 4 near the periphery (it is better to not block the line of sight).
  • the weight member 5 for the number, weight, specific structure and distribution position of the weight member 5, those skilled in the art can make specific selection according to the weight, size and shape of the specific lens, as long as the head of the wearer can be deflected to the left and right. ⁇ , the two lenses are respectively rotated to the equilibrium position by the corresponding at least one weight member.
  • the sliding slot 3 of the lens frame 2 may also be a sliding rail, and a sliding body or a sliding slot that is slidably engaged or rolled with the sliding rail is disposed on the lens.
  • An embodiment of the present invention further provides a three-dimensional display system, including the three-dimensional warm mirror described in any of the above embodiments.
  • the three-dimensional display system can be a polarized three-dimensional display system (with a polarized three-dimensional eye mirror), or a shutter-type three-dimensional display system (with the use of shutter-type three-dimensional glasses), which enables the wearer to obtain a better three-dimensional image. The effect is observed, and the wearer does not produce significant vertigo and fatigue.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)

Abstract

本发明公开了一种三维眼镜及一种三维显示系统，使佩戴者能够获得较佳的三维观看效果，并减轻佩戴者的眩晕感和疲劳感。三维眼镜包括：镜架，镜架包括两个镜片框，每一个镜片框具有配合部；两个镜片，分别可转动的装配在两个镜片框的配合部上，每一个镜片的边缘固定有使镜片转动至平衡位置的至少一个配重部件，当两个镜片处于平衡位置时，其中一个镜片的透光轴与三维显示装置的左眼图像的偏振光轴平行，另一个镜片的透光轴与三维显示装置的右眼图像的偏振光轴平行。

Description

一种三维眼镜及一种三维显示系统
本发明涉及三维显示技术领域， 特别是涉及一种三维眼镜及一种三维显 示系统。
三维显示一直被认为是显示技术发展的终极梦想， 多年来有许多企业和 研究机构致力于该领域的研究。 日本、 欧美、 韩国等发达国家和地区早于 20 世纪 80年代就纷纷涉足三维显示技术的研发， 并于 90年代开始陆续获得不 同程度的研究成果， 现已开发出需佩戴三维眼镜及不需佩戴 维眼镜的两大 三维显示技术体系。
在需佩戴≡维眼.镜的三维显示技术体系中， 可分为早期的色差式、 以及 如今的快门式和偏光式≡种三维显示技术。 对于现在广泛应用的快门式和偏 光式三维显示技术， 需要佩戴者佩戴相应形式的三维眼镜。 但无论是何种形 式的三维眼镜， 均需要佩戴者正确佩戴并在观看时保持正确的头部姿势， 以 使镜片的透光轴与显示装置图像的偏振光轴保持合适的角度。
具体地讲， 对于偏光式三维显示技术， 利用了光的偏振特性。 三维显示 装置根据左右暖图像轮流显示偏振方向相互垂直的偏振光， 当左眼图像显示 时， 左侧镜片的透光轴方向平行于左眼图像的偏振光轴， 左眼可以看到左眼 图像， 而此时， 右侧镜片的透光轴方向垂直于左暖图像的偏振光轴， 右眼无 法看到左眼.图像。 当右眼图像显示时， 情况与此恰相反。
而对于快门式三维显示技术， 三维显示装置把图像按幀一分为二， 形成 对应左眼和右眼的两组图像， 以同样的偏振方向连续交替显示出来。 同时安 装在三维显示装置上的红外信号发射器将同步控制相应的≡维暖镜的左右两 个快门式镜片的开关， 其中的快门式镜片通常利 ^了液晶分子加电时重新排 列从而改变液晶屏透明性的原理， 使左、 右眼能够在正确的时刻看到相应的 画面。 事实上， 该类三维暖镜的左右快门式镜片均为偏振镜片， 它们的透光 轴是相同的。 在正确观看姿势下， 它们的透光轴均应与相应的三维显示装置 发出的偏振光的偏振光轴平行。
根据上述两种三维显示技术， 佩戴者的两只眼睛看到快速切换的不同画 面， 并且在大脑中产生错觉， 便观看到三维影像。
但是， 上述现有技术存在的缺陷在于， 佩戴者在观看时， 头部需要保持 正确的姿势， 如果 镜随头部向左右偏摆转动一定角度， 则镜片的透光轴与 显示装置图像的偏振光轴不能再维持合适的角度， 则无法获得良好的观看效 果， 且易产生弦晕感和疲劳感。
本发明提供了一种三维眼镜及一种三维显示系统， 使佩戴者能够获得较 佳的三维观看效果， 减轻佩戴者的弦暈感和疲劳感。
根据本发明的具体实施方式， 提供了一种三维眼镜， 包括：
镜架， 所述镜架包括两个镜片框， 每一个所述镜片框具有配合部； 两个镜片， 分别可转动的装配在两个镜片框的配合部上， 每一个所述镜 片的边缘固定有使镜片转动至平衡位置的至少一个配重部件， 当两个镜片处 于平衡位置时， 其中一个镜片的透光轴与三维显示装置的左眼图像的偏振光 轴平行， 另一个镜片的透光轴与三维显示装置的右眼图像的偏振光轴平行。
根据本发明上述具体实施方式， 当佩戴者的头部偏摆时， 两个镜片分别 在所对应的所述至少一个配重部件的作用下转动至平衡位置， 也就是转动至 所述至少一个配重部件的重心与镜片的重心位于同一铅垂线但不重合的平衡 位置， 在该平衡位置， 其中一个镜片的透光轴与三维显示装置的左眼图像的 偏振光轴平行， 另一个镜片的透光轴与三维显示装置的右眼图像的偏振光轴 平行。 该机械结构使得每一个镜片的透光轴与显示装置图像的偏振光轴维持 在合适角度， 因此， 能够使佩戴者获得较佳的三维观看效果， 并减轻佩戴者 的弦暈感和疲劳感。
优选地， 所述配合部是每一个镜片框内侧的滑轨或滑槽。
优选地， 针对每一个镜片， 所述配重部件的数量至少为两个， 所述配重 部件全部或部分为与所述滑轨或滑槽滑动配合的滑动体， 所述镜片通过至少 两个滑动体可转动的装配在对应的镜片框的滑轨或滑槽上。 所述滑动体优选 为滑块。
优选地， 针对每一个镜片， 所述配重部件的数量至少为两个， 所述配重 部件全部或部分为： 固定于镜片边缘的滚动体座， 及可旋转地设置于所述滚 动体座内并与所述滑轨或滑槽滚动配合的滚动体， 所述镜片通过至少两个所 述滚动体可转动的装配在对应的镜片框的滑轨或滑槽上。 优选地， 所述滚动 体包括滚珠、滚柱或滚针。 以上几种结构均可以实现镜片相对镜片框的转动， 特别当镜片通过滚动体可转动的装配在滑轨或滑槽上时， 与滑轨或滑槽之间 的摩擦力较小， 并 i转动较为稳定、 可靠。
优选地， 镜片和配重部件的组装件在所述平衡位置与在其他位置相比， 重心最低。 进一步优选的， 在平衡位置处， 配重部件的重心与镜片的重心位 于同一铅垂线但不重合的， 并且配重部件的重心与镜片重心的距离小于镜片 的半径。 这样的方案能够使得镜片相对镜片框的转动更加平稳。
优选地， 所述配重部件的数量为≡个， 其中， 第一个配重部件的重量最 大， 第二个配重部件和第三个配重部件的重量相等且对称分布于第一个配重 部件的两侧。迸一步优选地， 所述三个配重部件均匀分布于所述镜片的边缘。 当镜片转动至平衡位置时， 第一个配重部件位于镜片重心的正下方， 第二个 配重部件和第三个配重部件对称分布于第一个配重部件的两侧， 以上结构使 得镜片相对镜片框的转动更加平稳。
优选地， 所述镜片为圆形或正多边形。 优选地， 所述镜片框为圆形或椭 圆形。 以上具体实施方式具有较好的视觉效果。
优选地， 镜片框为椭圆形， 镜片周边设置一圈与滑轨或滑槽滑动配合的 滑槽或滑轨， 配重部件固定在镜片表面靠近周边的位置， 或者镶嵌在镜片内 部靠近周边的位置。
优选地， 所述镜片为偏光式镜片或快门式镜片。 无论选用何种形式的镜 片， 均能够使得镜片的透光轴与显示装置图像的偏振光轴维持在合适角度， 使佩戴者获得较佳的三维观看效果。
本发明实施例还提供了一种三维显示系统， 包括上述任一技术方案所述 的≡维眼镜， 能够使佩戴者获得较佳的三维观看效果， 并且佩戴者不会产生 明显的眩暈感和疲劳感。 图 1为本发明实施例的三维限镜结构示意图；
图 2为另一优选实施例的三维眼镜中镜片与镜片框的装配结构示意图; 图 3为另一优选实施例的三维眼镜中镜片与镜片框的装配结构示意图; 图 4为另一优选实施例的三维眼镜中镜片与镜片框的装配结构示意图; 图 5为另一优选实施例的三维眼镜中镜片与镜片框的装配结构示意图。
1镜架 2-镜片框 3滑槽
4镜片 5-配重部件 6-滑动体
7—滚动体座 8-滚动体 9-滑轨 具体实施方式
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。
在本发明中， 术语 "偏振光轴"， 又称偏振光极化轴， 指通过偏振光片后 偏振光的偏振方向； "透光轴"， 是指偏振片 （镜片） 上允许通过的光振动的 方向叫做偏振片的透光轴。
为了使佩戴者能够获得较佳的三维观看效果， 减轻佩戴者的眩晕感和疲 劳感， 本发明的实施例， 提供了一种≡维眼镜及一种三维显示系统其中， 当 佩戴者的头部向左右偏摆时， 两个镜片分别在所对应的所述至少一个配重部 件的作 ^下转动至平衡位置， 在该平衡位置， 其中一个镜片的透光轴与≡维 显示装置的左暖图像的偏振光轴平行， 另一个镜片的透光轴与三维显示装置 的右暖图像的偏振光轴平行。 该机械结构使得每一个镜片的透光轴与显示装 置图像的偏振光轴总是维持在合适角度， 因此， 能够使佩戴者获得较佳的 维观看效果， 减轻佩戴者的眩晕感和疲劳感。
如图 i所示， 本发明的实施例提供了一种 维眼镜， 包括：
镜架 i和两个圆形镜片 4,所述镜架 1包括用于安装镜片的两个镜片框 2、 镜腿和连接两个镜片框的连接部， 每一个所述镜片框 2的内侧具有滑槽^ 两个镜片 4, 分别可转动的装配在两个镜片框 2的滑槽 3 内， 每一个所 述镜片 4的边缘固定有使镜片 4转动至平衡位置的至少一个配重部件 5 , 当 两个镜片 4处于平衡位置时， 其中一个镜片 4的透光轴与三维显示装置的左 眼图像的偏振光轴平行， 另一个镜片 4的透光轴与三维显示装置的右 图像 的偏振光轴平行。
所述平衡位置是指镜片 4相对滑槽 3无转动的位置， 该位置与其他位置 相比， 镜片 4和配重部件 5的组装件的重心最低、 且相对稳定、 并且镜片 4 的透光轴与显示装置图像的偏振光轴维持在合适角度。 镜片框 2和镜片 4的 具体形状不限， 只要镜片 4可以装配在镜片框 2的滑槽 3内并可相对滑槽 3 转动即可。 优选的， 镜片 4为圆形或正多边形， 镜片框 2为圆形， 这样具有 较好的视觉效果。 也可以如图 2所示， 镜片框 2为圆形， 镜片 4为正方形， 配重部件 5设置在正方形镜片 4的各顶点， 且镜片 4可转动的装配在镜片框 2的滑槽 3内。
在本发明实施例中， 所述镜片 4可以为偏光式镜片或快门式镜片等。 上述实施例的三维眼镜， 无论选用何种形式的镜片， 均能够使得镜片的 透光轴与显示装置图像的偏振光轴维持在合适角度， 使佩戴者获得较佳的三 维观看效果。
在本发明上述实施例中， 如果该≡维眼镜为偏光式三维眼镜， 当佩戴者 的头部向左右偏摆时， 两个镜片 4分别在所对应的所述至少一个配重部件 5 的作用下转动至平衡位置， 优选地， 转动至所述至少一个配重部件 5的重心 与镜片 4的重心位于同一铅垂线但不重合的平衡位置。 在该平衡位置， 其中 一个镜片 4的透光轴与≡维显示装置的左暖图像的偏振光轴平行， 另一个镜 片 4的透光轴与三维显示装置的右眼图像的偏振光轴平行。 即： 该机械结构 使得每一个镜片 4的透光轴与显示装置图像的偏振光轴维持在合适角度， 因 此， 能够使佩戴者获得较佳的≡维观看效果， 并减轻佩戴者的眩晕感和疲劳 感。
在本发明的上述实施例中， 如果该三维眼镜为快门式 维暖镜， 当佩戴 者的头部向左右偏摆^, 两个镜片 4分别在所对应的所述至少一个配重部件 5 的作用下转动至平衡位置， 也就是转动至所述至少一个配重部件 5 的重心 与镜片 4的重心位于同一铅垂线但不重合的平衡位置。 在该平衡位置， 其中 一个镜片 4的透光轴与三维显示装置的左暖图像的偏振光轴平行， 另一个镜 片 4的透光轴与三维显示装置的右眼图像的偏振光轴平行。 对于该快门式三 维显示技术， 由于三维显示装置的左右暖图像的偏振光轴是相同的， 所以， 对于这类快门式三维眼镜， 在该平衡位置， 其中左右两个镜片 4的透光轴与 三维显示装置的图像的偏振光轴均平行， 即： 该机械结构使得每一个镜片 4 的透光轴与显示装置图像的偏振光轴维持在合适角度， 因此， 能够使佩戴者 获得较佳的三维观看效果， 并减轻佩戴者的眩晕感和疲劳感。
配重部件 5的具体数量不限， 例如， 可以为一个、 两个、 或者三个等等， 只要各个配重部件 5的设置位置能够使镜片 4在平衡位置时满足光学要求（即 透光轴与左眼图像或者右暖图像的偏振光轴平行） 即可。 优选地， 如图 I所 示， 所述配重部件 5的数量为 个， 其中， 第一个配重部件的重量最大， 第 二个配重部件和第三个配重部件的重量相等且对称设置于镜片 4边缘第一个 配重部件的两侧。 当镜片 4处于平衡位置时， 第一个配重部件位于镜片 4的 重心 O下方。 优选的， 所述三个配重部件 5均匀分布于所述镜片 4的边缘， 这样三个配重部件 5的重心与镜片 4重心的距离小于镜片 4的半径， 能够使 得镜片 4相对镜片框 2的转动更加平稳。
镜片 4与滑槽 3的可转动装配形式不限， 作为另一个实施例， 如图 3所 示， 针对每一个镜片 4， 所述配重部件 5 的数量至少为两个， 配重部件为与 滑槽 3滑动配合的滑动体 6 , 如图 3中所示， 滑动体 6是 3个滑块。 所述镜 片 4通过至少两个滑动体 6可转动的装配在对应的镜片框 2的滑槽 3内。 该 结构中， 至少两个滑动体 6与滑槽 3滑动配合， 使得镜片 4可以相对滑槽 3 转动， 并且滑动体 6作为配重部件， 至少两个滑动体 6能够使镜片 4维持在 平衡位置。
作为另一个实施例， 如图 4所示， 针-对每一个镜片 4, 所述配重部件 5 的数量至少为两个（图 4中为三个）， 配重部件包括： 固定于镜片 4边缘的滚 动体座 7， 及可旋转地设置于所述滚动体座 7内并与滑槽 3滚动配合的滚动 体 8。 所述镜片 4通过至少两个滚动体 8可转动的装配在对应的镜片框 2的 滑槽 3内。 所述滚动体 8可以为滚珠、 滚柱或滚针等， 可以根据需要进行选 择， 这里不做具体限定。 在该实施例中， 至少两个滚动体 8与滑槽 3滚动配 合， 使得镜片 4可以相对滑槽 3转动， 并且， 滚动体座 7和设置于滚动体座 7内的滚动体 8整体作为配重部件， 至少两个配重部件能够使镜片 4维持在 平衡位置。 该实施例结构中， 滚动体 8与滑槽 3之间为滚动配合， 摩擦力较 小， 这使得镜片 4相对滑槽 3的转动较为稳定、 可靠。
值得一提的是， 在本发明的其它实施例中， 镜片 4也可以通过其它结构 形式可转动的装配在镜片框 2的滑槽 3内， 而配重部件 5只用来将镜片 4调 整至平衡位置。 配重部件 5可以设置在镜片 4的边缘， 也可以设置在镜片 4 靠近边缘的位置。 例如， 镜片周边固定两个重量相等的滑块， 每一个滑块与 滑槽滑动配合， 在镜片的周边再另外固定几个配重部件用来将镜片调整至平 衡位置。
作为另一个实施例， 如图 5所示， 镜片框 2为椭圆形， 镜片 4周边设置 一圈与滑槽 3滑动配合的滑轨 9， 配重部件 5固定在镜片 4表面靠近周边的 位置， 或者镶嵌在镜片 4内部靠近周边的位置 （以不遮挡视线为佳）。
另外， 对于配重部件 5的数量、 重量、 具体结构以及分布位置， 本领域 技术人员可以根据具体的镜片的重量、 大小以及形状进行具体选择， 只要能 够使得当佩戴者的头部向左右偏摆^, 两个镜片分别在所对应的所述至少一 个配重部件的作 ^下转动至上述平衡位置即可。
对于上述各实施例， 也可以有一定的变形， 比如， 镜片框 2的滑槽 3也 可以是滑轨， 在镜片上设置与该滑轨滑动配合或滚动配合的滑动体或滑槽。
以上这些方案均能够使镜片自动调整至平衡位置， 以使佩戴者获得较佳 的 ΞΞ维观看效果。
本发明实施例还提供了一种三维显示系统， 包括上述任一实施例所述的 三维暖镜。 该三维显示系统可以为偏光式三维显示系统 （需配合使用偏光式 三维眼.镜）， 也可以为快门式三维显示系统 （需配合使用快门式三维眼镜）， 能够使佩戴者获得较佳的三维观看效果， 并且佩戴者不会产生明显的眩晕感 和疲劳感。
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

两个镜片， 分别可转动的装配在两个镜片框的配合部上， 每一个所述镜 片的边缘固定有使镜片转动至平衡位置的至少一个配重部件， 当两个镜片处 于平衡位置时， 其中一个镜片的透光轴与三维显示装置的左眼图像的偏振光 轴平行， 另一个镜片的透光轴与三维显示装置的右眼图像的偏振光轴平行。
2、 如权利要求 1所述的三维限镜， 其特征在于， 所述配合部是每一个镜 片框内侧的滑轨。
3、 如权利要求 1所述的≡维暖镜， 其特征在于， 所述配合部是每一个镜 片框内侧的滑槽。
4、 如权利要求 2所述的三维 镜， 其特征在于，
针对每一个镜片， 所述配重部件的数量至少为两个， 所述配重部件全部 或部分为与所述滑轨滑动配合的滑动体， 所述镜片通过至少两个滑动体可转 动的装配在对应的镜片框的滑轨上。
5、 如权利要求 3所述的三维眼.镜， 其特征在于，
针对每一个镜片， 所述配重部件的数量至少为两个， 所述配重部件全部 或部分为与所述滑槽滑动配合的滑动体， 所述镜片通过至少两个滑动体可转 动的装配在对应的镜片框的滑槽上。
6、 如权利要求 4或 5所述的三维眼镜， 其特征在于，
所述滑动体为滑块。
7、 如权利要求 2所述的三维 镜， 其特征在于，
针对每一个镜片， 所述配重部件的数量至少为两个， 所述配重部件全部 或部分为： 固定于镜片边缘的滚动体座， 及可旋转地设置于所述滚动体座内 并与所述滑轨滚动配合的滚动体， 所述镜片通过至少两个所述滚动体可转动 的装配在对应的镜片框的滑轨上。
8、 如权利要求 3所述的三维暖镜， 其特征在于，
针对每一个镜片， 所述配重部件的数量至少为两个， 所述配重部件全部 或部分为： 固定于镜片边缘的滚动体座， 及可旋转地设置于所述滚动体座内 并与所述滑槽滚动配合的滚动体， 所述镜片通过至少两个所述滚动体可转动 的装配在对应的镜片框的滑槽上。
9, 如权利要求 7或 8所述的三维限镜， 其特征在于， 所述滚动体包括滚 珠、 滚柱或滚针。
10, 如权利要求 1〜9任一项所述的三维眼镜， 其特征在于， 镜片和配重 部件的组装件在所述平衡位置与在其他位置相比， 重心最低。
11 , 如权利要求 10所述的三维眼镜， 其特征在于， 在平衡位置处， 配重 部件的重心与镜片的重心位于同一铅垂线但不重合的， 并且配重部件的重心 与镜片重心的距离小于镜片的半径。
12, 如权利要求 〜 10任一项所述的三维眼.镜， 其特征在于， 所述配重部 件的数量为三个， 其中， 第一个配重部件的重量最大， 第二个配重部件和第 三个配重部件的重量相等且对称分布于第一个配重部件的两侧。
13 , 如权利要求 12所述的三维眼镜， 其特征在于， 所述三个配重部件均 匀分布于所述镜片的边缘。
14 , 如权利要求 1〜13任一项所述的三维暖镜， 其特征在于， 所述镜片为 圆形或正多边形。
15 , 如权利要求 1〜14任一项所述的三维暖镜， 其特征在于， 所述镜片框 为圆形或椭圆形。
16 , 如权利要求 2所述的 ΞΞ维眼镜， 其特征在于， 镜片框为櫥圆形， 镜 片周边设置一圈与滑轨滑动配合的滑槽， 配重部件固定在镜片表面靠近周边 的位置， 或者镶嵌在镜片内部靠近周边的位置。
17, 如权利要求 3所述的三维眼镜， 其特征在于， 镜片框为橢圆形， 镜 片周边设置一圈与滑槽滑动配合的滑轨， 配重部件固定在镜片表面靠近周边 的位置， 或者镶嵌在镜片内部靠近周边的位置。
18 , 如权利要求 1〜17任一项所述的三维暖镜， 其特征在于， 所述镜片为 偏光式镜片或快门式镜片。
19 , 一种≡维显示系统， 其特征在于， 包括如权利要求： 1〜18任一项所述 的三维眼镜。
PCT/CN2014/073854 2013-09-30 2014-03-21 一种三维眼镜及一种三维显示系统 WO2015043142A1 (zh)

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