WO2016026188A1 - 用于裸眼三维显示器的二维三维切换装置 - Google Patents

用于裸眼三维显示器的二维三维切换装置 Download PDF

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WO2016026188A1
WO2016026188A1 PCT/CN2014/086587 CN2014086587W WO2016026188A1 WO 2016026188 A1 WO2016026188 A1 WO 2016026188A1 CN 2014086587 W CN2014086587 W CN 2014086587W WO 2016026188 A1 WO2016026188 A1 WO 2016026188A1
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substrate
dimensional
liquid
prism structure
refractive index
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PCT/CN2014/086587
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English (en)
French (fr)
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熊源
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深圳市华星光电技术有限公司
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Priority to US14/430,207 priority Critical patent/US9470898B2/en
Publication of WO2016026188A1 publication Critical patent/WO2016026188A1/zh

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    • 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
    • G02B30/26—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 autostereoscopic type
    • G02B30/27—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 autostereoscopic type involving lenticular arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/004—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid
    • G02B26/005—Optical devices or arrangements for the control of light using movable or deformable optical elements based on a displacement or a deformation of a fluid based on electrowetting
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B2207/00—Coding scheme for general features or characteristics of optical elements and systems of subclass G02B, but not including elements and systems which would be classified in G02B6/00 and subgroups
    • G02B2207/115—Electrowetting

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a two-dimensional three-dimensional switching device for a naked eye three-dimensional display.
  • the three-dimensional display technology is a technique that uses a series of optical means to generate parallax for the left and right eyes, thereby receiving different images and forming a three-dimensional effect perception in the brain.
  • Three-dimensional display technology is one of the engines to promote the integration of industrialization and informationization. It is also a basic and strategic tool technology widely used in industrial and industrial creative industries. Through three-dimensional technology and creativity, some traditional industries are expected to accelerate the pace of industrial upgrading and innovation, such as advertising media, exhibitions, tourism investment, scientific research and teaching, game entertainment, industrial design, geological mapping, medical diagnosis and treatment, military, scene reconstruction and other industries. At the same time, various life-oriented applications such as 3D street view, 3D video chat, and 3D shopping will also be hot.
  • the three-dimensional display technology can be divided into two types: glasses type and naked eye type.
  • glasses must be equipped with glasses related to the current display technology to see the three-dimensional effect.
  • the naked eye does not require the help of glasses, and can also directly see the three-dimensional effect.
  • naked-eye three-dimensional technology has become a hot spot in the digital industry. From advertising machines and monitors to mobile phones, televisions and computers, the naked-eye three-dimensional display products launched by domestic and foreign manufacturers are showing a blowout situation.
  • the naked-eye three-dimensional display utilizes the characteristic that the human eyes have parallax, and a display system having a realistic stereoscopic image with space and depth can be obtained without any auxiliary equipment (such as three-dimensional glasses, helmets, etc.).
  • the naked eye stereoscopic image is favored by consumers with its vivid and vivid expression, beautiful and elegant environmental appeal, and strong shocking visual impact.
  • the naked-eye three-dimensional display technology mostly uses a prism structure for splitting. If a switching function between two-dimensional and three-dimensional display states is required, the prism structure is no longer applicable, and a liquid crystal lens is required.
  • the liquid crystal lens has poor performance at a large viewing angle due to the birefringence characteristics of the liquid crystal itself, and there is a liquid crystal gradation region, which causes crosstalk between adjacent pixels.
  • An object of the present invention is to provide a two-dimensional three-dimensional switching device for a naked-eye three-dimensional display, which can conveniently realize switching between two-dimensional and three-dimensional display states of a naked-eye three-dimensional display, and can avoid the existence of a liquid crystal type switching device. Limited viewing angle and crosstalk between adjacent pixels question.
  • the present invention provides a two-dimensional three-dimensional switching device for a naked-eye three-dimensional display, comprising a first substrate, a second substrate disposed opposite the first substrate, and disposed between the first substrate and the second substrate. a plurality of electrodes on the second substrate, a dielectric layer formed on the second substrate and completely covering the surface of the plurality of electrodes, and a first liquid filled with a hydrophobic property between the first substrate and the second substrate a second liquid having a hydrophilic property; the first substrate has a prism structure, and the first substrate has a side of the prism structure opposite to the second substrate, and the prism structure of the first substrate has a plurality of uniformly distributed curved surfaces The area and a plurality of peripheral areas located around the curved area, each of the electrodes corresponding to a curved area setting.
  • the electrode is an ITO electrode.
  • the dielectric layer is an insulating transparent material having hydrophobic properties.
  • the dielectric layer can have a hydrophilic property by changing the characteristics of its upper surface by accumulating charges on its upper surface.
  • the material of the dielectric layer is silicon nitride.
  • the refractive index of the first liquid is similar to the refractive index of the prism structure of the first substrate, and the refractive index of the second liquid is different from the refractive index of the prism structure of the first substrate.
  • the refractive index difference between the refractive index of the first liquid and the prism structure of the first substrate is less than 0.05, and the refractive index difference between the refractive index of the second liquid and the prism structure of the first substrate is greater than 0.1.
  • the first liquid is oil and the second liquid is water.
  • the peripheral region is disposed between every two adjacent curved surface regions.
  • An insulating bump is formed between adjacent electrodes, and an insulating bump is disposed adjacent to a peripheral region.
  • the present invention is applied to a two-dimensional three-dimensional switching device for a naked-eye three-dimensional display, and a first liquid having a hydrophobic property and a second liquid having a hydrophilic property are disposed between the two substrates, and the electrode is energized or de-energized
  • the first liquid or the second liquid is controlled by the principle of electrowetting to contact the curved surface region of the prism structure to form different optical paths, thereby facilitating the realization of the two-dimensional and three-dimensional three-dimensional display of the naked eye.
  • the switching between the display states can be avoided, and the viewing angle limitation of the liquid crystal type switching device and the crosstalk problem between adjacent pixels can be avoided, and the display quality of the naked eye three-dimensional display is improved.
  • FIG. 1 is a cross-sectional structural diagram of a two-dimensional three-dimensional switching device for a naked eye three-dimensional display in a two-dimensional display state according to the present invention
  • FIG. 2 is a schematic cross-sectional view showing a two-dimensional three-dimensional switching device for a naked eye three-dimensional display in a three-dimensional display state according to the present invention.
  • the present invention provides a two-dimensional three-dimensional switching device for a naked-eye three-dimensional display that utilizes an electro-wetting principle to achieve switching between two-dimensional and three-dimensional display states.
  • Electrowetting is a microfluidic phenomenon. The principle is to change the contact angle of the liquid by applying an external voltage between the solid electrode and the liquid, thereby changing the contact area of the liquid to achieve the purpose of changing the optical path.
  • the two-dimensional three-dimensional switching device for a naked-eye three-dimensional display of the present invention includes a first substrate 1, a second substrate 2 disposed opposite to the first substrate 1, and a first substrate 1 and a second a plurality of electrodes 3 disposed between the substrates 2 on the second substrate 2, a dielectric layer 4 formed on the second substrate 2 and completely covering the surfaces of the plurality of electrodes 3, and filled in the first substrate 1 and the second a first liquid 51 having a hydrophobic property between the substrates 2 and a second liquid 52 having a hydrophilic property; the first substrate 1 having a prism structure 11, and the first substrate 1 having one side and a second of the prism structure 11 The substrate 2 is opposed to each other.
  • the prism structure 11 of the first substrate 1 has a plurality of uniformly distributed curved surface regions 111 and a plurality of peripheral regions 112 located around the curved surface region 111, wherein the peripheral region 112 is disposed between each two adjacent curved surface regions 111.
  • Each of the electrodes 3 is disposed corresponding to one curved surface region 111.
  • an insulating bump 41 is formed between the adjacent electrodes 3, and an insulating bump 41 faces a peripheral region of the prism structure 11 on the first substrate 1. 112 settings.
  • the electrode 3 is an ITO electrode.
  • the dielectric layer 4 is an insulating transparent material having a hydrophobic property, and the dielectric layer 4 can have a hydrophilic property by changing the characteristics of its upper surface by accumulating charges on its upper surface.
  • the material of the dielectric layer 4 is silicon nitride.
  • the refractive index of the first liquid 51 is similar to the refractive index of the prism structure 11 of the first substrate 1, and the refractive index difference between the two is less than 0.05.
  • the first liquid 51 is an oil.
  • the refractive index of the second liquid 52 is different from the refractive index of the prism structure 11 of the first substrate 1, and the difference in refractive index between the two is greater than 0.1.
  • the second liquid 52 is water.
  • the two-dimensional three-dimensional switching device for a naked-eye three-dimensional display of the present invention operates in a two-dimensional display state. Since the plurality of electrodes 3 are not energized, the dielectric layer 4 exhibits its own hydrophobic characteristics, and thus the second liquid 52 having hydrophilic properties has a larger contact angle with the dielectric layer 4, and the contact area is smaller. The second liquid 52 is collected at the peripheral region 112 of the prism structure 11 facing the insulating bump 41; and since the first liquid 51 has a hydrophobic property, its contact area with the dielectric layer 4 is large, The first liquid 51 is collected at the curved surface area 111 of the prism structure 11.
  • the dimensional three-dimensional switching device does not change the direction of propagation of light transmitted through the device, that is, the naked-eye three-dimensional display at this time is in a two-dimensional display state.
  • the two-dimensional three-dimensional switching device for a naked-eye three-dimensional display of the present invention operates in a three-dimensional display state.
  • the upper surface of the dielectric layer 4 is charged with electric charges, thereby changing the characteristics of the upper surface of the dielectric layer 4, so that the upper surface becomes hydrophilic.
  • the second liquid 52 has a hydrophilic property, its contact area with the dielectric layer 4 is large, so the second liquid 52 is collected at the curved surface region 111 of the prism structure 11, and the first liquid 51 having a hydrophobic property is present.
  • the contact angle with the dielectric layer 4 is large, and the contact area is small, so that it is forced to gather at the peripheral region 112 of the prism structure 11 facing the insulating bump 41.
  • the prism structure 11 Since the refractive index difference between the refractive index of the second liquid 52 and the prism structure 11 is large, and the second liquid 52 is concentrated at the curved surface region 111 of the prism structure 11, the prism structure 11 is caused to refract the transmitted light to realize a three-dimensional display mode. The required splitting function and the switching of the naked eye three-dimensional display from the two-dimensional display state to the three-dimensional display state.
  • the naked-eye three-dimensional display needs to be switched from the three-dimensional display state to the two-dimensional display state again, it is only necessary to power off the electrode 3 and cancel the voltage applied to the electrode 3.
  • the first liquid 51 having hydrophobic properties re-aggregates at the curved surface region 111 of the prism structure 11, and has hydrophilic characteristics.
  • the second liquid 52 is forced to gather at the peripheral region 112 of the prism structure 11 facing the insulating bump 41.
  • the refractive effect of the prism structure 11 is weakened, so that the naked-eye three-dimensional display completes the state from the three-dimensional display state to the two-dimensional display state. Switching.
  • the present invention is applied to a two-dimensional three-dimensional switching device for a naked-eye three-dimensional display, and a first liquid having a hydrophobic property and a second liquid having a hydrophilic property are disposed between the two substrates, and the pair is passed through
  • the electrode is energized or de-energized to change the hydrophilic or hydrophobic property of the dielectric layer, and the electro-wetting principle is used to control the first liquid or the second liquid to contact with the curved surface region of the prism structure to form different optical paths, thereby facilitating the realization of the naked-eye three-dimensional display.
  • the switching between the two-dimensional and three-dimensional display states can avoid the limitation of the viewing angle of the liquid crystal type switching device and the crosstalk between adjacent pixels, and improve the display quality of the naked eye three-dimensional display.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)

Abstract

一种用于裸眼三维显示器的二维三维切换装置，包括第一基板（1）、第二基板（2）、设于第二基板（2）上的数个电极（3）、完全覆盖于该数个电极（3）表面的介质层（4）、及填充于第一基板（1）与第二基板（2）之间且具有疏水特性的第一液体（51）与具有亲水特性的第二液体（52）；第一基板（1）具有棱镜结构（11），且其具有棱镜结构（11）的一侧与第二基板（2）相对，第一基板（1）的棱镜结构（11）具有数个均匀分布的曲面区域（111）及数个位于曲面区域（111）周边的周边区域（112），每个电极（3）对应一个曲面区域（111）设置。该装置能够方便的实现裸眼三维显示器的二维与三维显示状态之间的切换。

Description

用于裸眼三维显示器的二维三维切换装置 技术领域
本发明涉及显示技术领域，尤其涉及一种用于裸眼三维显示器的二维三维切换装置。
背景技术
三维显示技术，是利用一系列的光学手段，使人左右眼产生视差，从而接收到不同画面，在大脑形成三维立体效果感知的技术。三维显示技术是推进工业化与信息化“两化”融合的发动机之一，同时也是工业界和工业创意产业广泛应用的基础性、战略性的工具技术。通过三维科技创意，一些传统行业有望加快产业升级与创新步伐，如广告传媒、展览展示、旅游招商、科研教学、游戏娱乐、工业设计、地质测绘、医学诊疗、军事、场景重建等多个行业，同时，三维街景、三维视频聊天、三维购物等各种生活化应用，也将因此大热。
三维显示技术可以分为眼镜式和裸眼式两大类。眼镜式顾名思义就是一定要配带同当前显示技术相关的眼镜才能看到三维效果。而裸眼式不需要眼镜的帮助，也可以直接看到三维效果。
近两年来，裸眼三维技术已成为数码业界一大热点。从广告机、显示器，到手机、电视和电脑，国内外厂商推出的裸眼三维展示产品，产销正呈井喷态势。裸眼三维显示器是利用人两眼具有视差的特性，在不需要任何辅助设备(如三维眼镜，头盔等)的情况下，即可获得具有空间、深度的逼真立体形象的显示系统。裸眼立体影像以其真实生动的表现力，优美高雅的环境感染力，强烈震撼的视觉冲击力，深受广大消费者的青睐。
目前的裸眼三维显示技术，大多采用棱镜结构进行分光，如果需要具备二维与三维显示状态之间的切换功能，棱镜结构则不再适用，需采用液晶透镜实现。而液晶透镜由于液晶本身的双折射特性，在大视角上的表现较差，且存在液晶渐变区，会导致邻近像素间的串扰。
发明内容
本发明的目的在于提供一种用于裸眼三维显示器的二维三维切换装置，能够方便的实现裸眼三维显示器的二维与三维显示状态之间的切换，并能够避免液晶类型的切换装置所存在的视角受限与邻近像素间的串扰问 题。
为实现上述目的，本发明提供一种用于裸眼三维显示器的二维三维切换装置，包括第一基板、与第一基板相对设置的第二基板、位于第一基板与第二基板之间且设于第二基板上的数个电极、形成于第二基板上且完全覆盖于该数个电极表面的介质层、及填充于第一基板与第二基板之间且具有疏水特性的第一液体与具有亲水特性的第二液体；所述第一基板具有棱镜结构，所述第一基板具有棱镜结构的一侧与第二基板相对，所述第一基板的棱镜结构具有数个均匀分布的曲面区域及数个位于曲面区域周边的周边区域，所述每个电极对应一个曲面区域设置。
所述电极为ITO电极。
所述介质层为具有疏水特性的绝缘透明材料。
所述介质层能通过在其上表面聚集电荷而改变其上表面的特性使其具有亲水特性。
所述介质层的材料为氮化硅。
所述第一液体的折射率与第一基板的棱镜结构的折射率相近似，所述第二液体的折射率与第一基板的棱镜结构的折射率相区别。
所述第一液体的折射率与第一基板的棱镜结构的折射率差异小于0.05，所述第二液体的折射率与第一基板的棱镜结构的折射率差异大于0.1。
所述第一液体为油，所述第二液体为水。
所述周边区域设于每两相邻曲面区域之间。
相邻电极之间形成一绝缘凸块，一个绝缘凸块正对一个周边区域设置。
本发明的有益效果：本发明用于裸眼三维显示器的二维三维切换装置，在两基板之间设置具有疏水特性的第一液体、具有亲水特性的第二液体，通过对电极通电或断电来改变介质层的亲水或疏水特性，利用电浸润原理控制第一液体或第二液体与棱镜结构的曲面区域接触，以形成不同的光路，从而能够方便的实现裸眼三维显示器的二维与三维显示状态之间的切换，并能够避免液晶类型的切换装置所存在的视角受限与邻近像素间的串扰问题，提高裸眼三维显示器的显示质量。
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图说明
下面结合附图，通过对本发明的具体实施方式详细描述，将使本发明 的技术方案及其他有益效果显而易见。
附图中，
图1为本发明用于裸眼三维显示器的二维三维切换装置在二维显示状态下的剖面结构示意图；
图2为本发明用于裸眼三维显示器的二维三维切换装置在三维显示状态下的剖面结构示意图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
本发明提供一种用于裸眼三维显示器的二维三维切换装置，其利用电浸润(Electrowetting)原理实现二维与三维显示状态之间的切换。电浸润是一种微流体现象，其原理为通过对固体电极和液体间施加外部电压改变液体的接触角，进而改变液体的接触面积，达到改变光路的目的。
请同时参阅图1与图2，本发明的用于裸眼三维显示器的二维三维切换装置包括第一基板1、与第一基板1相对设置的第二基板2、位于第一基板1与第二基板2之间且设于第二基板2上的数个电极3、形成于第二基板2上且完全覆盖于该数个电极3表面的介质层4、及填充于第一基板1与第二基板2之间且具有疏水特性的第一液体51与具有亲水特性的第二液体52；所述第一基板1具有棱镜结构11，并且第一基板1具有棱镜结构11的一侧与第二基板2相对。
所述第一基板1的棱镜结构11具有数个均匀分布的曲面区域111及数个位于曲面区域111周边的周边区域112，其中，所述周边区域112设于每两相邻曲面区域111之间，所述每个电极3对应一个曲面区域111设置。
由于所述介质层4完全覆盖所述数个电极3，故相邻的电极3之间形成一绝缘凸块41，一个绝缘凸块41正对一个第一基板1上的棱镜结构11的周边区域112设置。
优选的，所述电极3为ITO电极。
所述介质层4为具有疏水特性的绝缘透明材料，并且所述介质层4能通过在其上表面聚集电荷而改变其上表面的特性，使该上表面具有亲水特性。
优选的，所述介质层4的材料为氮化硅。
所述第一液体51的折射率与第一基板1的棱镜结构11的折射率相近似，二者折射率差异小于0.05。优选的，所述第一液体51为油。
所述第二液体52的折射率与第一基板1的棱镜结构11的折射率相区别，二者折射率差异大于0.1。优选的，所述第二液体52为水。
请参阅图1，对所述电极3断电的情况下，本发明用于裸眼三维显示器的二维三维切换装置在二维显示状态下工作。由于数个电极3均未通电，此时介质层4表现为其自身的疏水特性，因而具有亲水特性的第二液体52与所述介质层4的接触角较大，接触面积较小，所述第二液体52聚集在所述棱镜结构11正对绝缘凸块41的周边区域112处；而由于所述第一液体51具有疏水特性，其与所述介质层4的接触面积较大，因此第一液体51聚集在所述棱镜结构11的曲面区域111处。
因为第一液体51与棱镜结构11的折射率接近，并且第一液体51聚集在棱镜结构11的曲面区域111处，所以造成棱镜结构11的折光效果减弱，此时该用于裸眼三维显示器的二维三维切换装置不对透过该装置的光的传播方向进行改变，即此时的裸眼三维显示器处于二维显示状态。
请参阅图2，对所述电极3通电的情况下，本发明用于裸眼三维显示器的二维三维切换装置在三维显示状态下工作。通过对数个电极3施加电压，使得介质层4的上表面聚集电荷，从而改变介质层4的上表面的特性，使该上表面变得具有亲水特性。由于第二液体52具有亲水特性，其与所述介质层4的接触面积较大，因此所述第二液体52聚集在棱镜结构11的曲面区域111处，而具有疏水特性的第一液体51与所述介质层4的接触角较大，接触面积较小，从而被迫聚集在棱镜结构11正对绝缘凸块41的周边区域112处。
因为第二液体52的折射率与棱镜结构11的折射率差异较大，并且第二液体52聚集在棱镜结构11的曲面区域111处，所以造成棱镜结构11对透射光产生折射，实现三维显示模式所需要的分光功能，并使得该裸眼三维显示器完成由二维显示状态到三维显示状态之间的切换。
当裸眼三维显示器需要由三维显示状态再次切换至二维显示状态时，只需对所述电极3断电，取消对电极3施加的电压即可实现。此时，由于介质层4的上表面不再聚集电荷而导致其恢复自身的的疏水特性，因此具有疏水特性的第一液体51重新聚集在棱镜结构11的曲面区域111处，而具有亲水特性的第二液体52则被迫聚集在棱镜结构11正对绝缘凸块41的周边区域112处，所述棱镜结构11的折光效果减弱，使得该裸眼三维显示器完成由三维显示状态至二维显示状态的切换。
综上所述，本发明用于裸眼三维显示器的二维三维切换装置，在两基板之间设置具有疏水特性的第一液体、具有亲水特性的第二液体，通过对 电极通电或断电来改变介质层的亲水或疏水特性，利用电浸润原理控制第一液体或第二液体与棱镜结构的曲面区域接触，以形成不同的光路，从而能够方便的实现裸眼三维显示器的二维与三维显示状态之间的切换，并能够避免液晶类型的切换装置所存在的视角受限与邻近像素间的串扰问题，提高裸眼三维显示器的显示质量。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明后附的权利要求的保护范围。

Claims (11)

  1. 一种用于裸眼三维显示器的二维三维切换装置，包括第一基板、与第一基板相对设置的第二基板、位于第一基板与第二基板之间且设于第二基板上的数个电极、形成于第二基板上且完全覆盖于该数个电极表面的介质层、及填充于第一基板与第二基板之间且具有疏水特性的第一液体与具有亲水特性的第二液体；所述第一基板具有棱镜结构，所述第一基板具有棱镜结构的一侧与第二基板相对，所述第一基板的棱镜结构具有数个均匀分布的曲面区域及数个位于曲面区域周边的周边区域，所述每个电极对应一个曲面区域设置。
  2. 如权利要求1所述的用于裸眼三维显示器的二维三维切换装置，其中，所述电极为ITO电极。
  3. 如权利要求1所述的用于裸眼三维显示器的二维三维切换装置，其中，所述介质层为具有疏水特性的绝缘透明材料。
  4. 如权利要求3所述的用于裸眼三维显示器的二维三维切换装置，其中，所述介质层能通过在其上表面聚集电荷而改变其上表面的特性使其具有亲水特性。
  5. 如权利要求4所述的用于裸眼三维显示器的二维三维切换装置，其中，所述介质层的材料为氮化硅。
  6. 如权利要求1所述的用于裸眼三维显示器的二维三维切换装置，其中，所述第一液体的折射率与第一基板的棱镜结构的折射率相近似，所述第二液体的折射率与第一基板的棱镜结构的折射率相区别。
  7. 如权利要求6所述的用于裸眼三维显示器的二维三维切换装置，其中，所述第一液体的折射率与第一基板的棱镜结构的折射率差异小于0.05，所述第二液体的折射率与第一基板的棱镜结构的折射率差异大于0.1。
  8. 如权利要求6所述的用于裸眼三维显示器的二维三维切换装置，其中，所述第一液体为油，所述第二液体为水。
  9. 如权利要求1所述的用于裸眼三维显示器的二维三维切换装置，其中，所述周边区域设于每两相邻曲面区域之间。
  10. 如权利要求1所述的用于裸眼三维显示器的二维三维切换装置，其中，相邻电极之间形成一绝缘凸块，一个绝缘凸块正对一个周边区域设置。
  11. 一种用于裸眼三维显示器的二维三维切换装置，包括第一基板、 与第一基板相对设置的第二基板、位于第一基板与第二基板之间且设于第二基板上的数个电极、形成于第二基板上且完全覆盖于该数个电极表面的介质层、及填充于第一基板与第二基板之间且具有疏水特性的第一液体与具有亲水特性的第二液体；所述第一基板具有棱镜结构，所述第一基板具有棱镜结构的一侧与第二基板相对，所述第一基板的棱镜结构具有数个均匀分布的曲面区域及数个位于曲面区域周边的周边区域，所述每个电极对应一个曲面区域设置；
    其中，所述电极为ITO电极；
    其中，所述介质层为具有疏水特性的绝缘透明材料；
    其中，所述介质层能通过在其上表面聚集电荷而改变其上表面的特性使其具有亲水特性；
    其中，所述介质层的材料为氮化硅；
    其中，所述第一液体的折射率与第一基板的棱镜结构的折射率相近似，所述第二液体的折射率与第一基板的棱镜结构的折射率相区别；
    其中，所述第一液体的折射率与第一基板的棱镜结构的折射率差异小于0.05，所述第二液体的折射率与第一基板的棱镜结构的折射率差异大于0.1；
    其中，所述第一液体为油，所述第二液体为水；
    其中，所述周边区域设于每两相邻曲面区域之间；
    其中，相邻电极之间形成一绝缘凸块，一个绝缘凸块正对一个周边区域设置。
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