WO2014048010A1 - 立体影像显示设备以及其形成方法 - Google Patents

立体影像显示设备以及其形成方法 Download PDF

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Publication number
WO2014048010A1
WO2014048010A1 PCT/CN2012/084283 CN2012084283W WO2014048010A1 WO 2014048010 A1 WO2014048010 A1 WO 2014048010A1 CN 2012084283 W CN2012084283 W CN 2012084283W WO 2014048010 A1 WO2014048010 A1 WO 2014048010A1
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WIPO (PCT)
Prior art keywords
glass substrate
retarder
stereoscopic image
pixel row
opaque regions
Prior art date
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Ceased
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PCT/CN2012/084283
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English (en)
French (fr)
Inventor
李佳育
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US13/704,308 priority Critical patent/US20140133025A1/en
Publication of WO2014048010A1 publication Critical patent/WO2014048010A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
    • C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
    • C03C23/0025—Other surface treatment of glass not in the form of fibres or filaments by irradiation by a laser beam
    • 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
    • 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
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133509—Filters, e.g. light shielding masks
    • G02F1/133512—Light shielding layers, e.g. black matrix
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • G02F1/133631—Birefringent elements, e.g. for optical compensation with a spatial distribution of the retardation value

Definitions

  • the present invention relates to a stereoscopic image display device and a method of forming the same, and more particularly to a stereoscopic image display device capable of improving image crosstalk and a method of forming the same.
  • the human brain further forms a so-called 3D (3-dimension) image based on the spatial distance difference between the two different perspectives seen by both eyes.
  • the so-called 3D display device is a display device that simulates the field of view of different angles of human eyes, and enables the user to perceive as a 3D image when viewing a 2D display image.
  • the current 3D display devices are mainly divided into two categories, namely auto-stereoscopic display devices (Auto-stereoscopic Display) and non-automatic stereoscopic image display device (Stereoscopic Display).
  • Auto-stereoscopic Display Auto-stereoscopic Display
  • Steposcopic Display non-automatic stereoscopic image display device
  • the user of the autostereoscopic image display device can see the 3D stereoscopic image without wearing the special structure glasses.
  • Another non-automatic stereoscopic image display device requires the user to wear special glasses to see 3D stereoscopic images.
  • special-structured glasses When wearing special-structured glasses to selectively receive stereoscopic images, the viewer will be able to feel the stereoscopic image. It is known that the left and right eyes actually receive different images separately, and the viewer perceives the stereoscopic image by analyzing the image in the brain.
  • the elements that can recognize the three-dimensional space are based on the images of the left eye and the right eye. Therefore, it is necessary to capture the left-eye image and the right-eye image by at least two stereoscopic cameras, and then the left-eye image and the right-eye image are Separate and transfer to the display. The viewer wears the glasses to view the selected left-eye image and right-eye image from the left and right eyes, respectively, so that the stereoscopic image is perceived.
  • One of the non-automatic stereoscopic image display devices is a layer of retarder attached to the display panel, and the viewer is required to wear special polarized glasses.
  • the retardation film is formed by re-staggering the phase retardation films of 0 and ⁇ /2 in the row direction.
  • the left and right glasses of the polarized glasses are respectively attached with polarizers perpendicular to each other in the direction of the polarization axis.
  • the left eye and the right eye image are separated by the difference in the polarization direction of the light, and the viewer can correctly make the left and right eyes respectively see the left eye and the right eye through the polarized glasses to generate a 3D effect.
  • the technical problem to be solved by the present invention is to provide a stereoscopic image display device and a method of forming the same, which can be avoided. Therefore, a small portion of the left or right eye image enters the right or left eye channel, thereby improving the crosstalk problem and increasing the 3D image quality.
  • the present invention provides a stereoscopic image display device for displaying a stereoscopic image, which comprises a backlight module for emitting light, and a display panel comprising a plurality of left-eye pixel row units and a plurality of a right-eye pixel row unit and a color filter, the plurality of right-eye pixel row units and the plurality of left-eye pixel row units are alternately arranged, the color filter comprising a plurality of filter units and located a black array layer between two adjacent filter units; a quarter-wave retardation film comprising a plurality of first retarders and a plurality of second retarders, said plurality of first retarders and said The plurality of second retarders are alternately arranged, and an angle between an optical axis direction of each of the first retarders and an optical axis direction of each of the second retarders is 90 degrees; a glass substrate located on the display panel and the Between the quarter-wave retardation films, the glass substrate comprises a plurality of
  • each of the opaque regions is formed on a surface of the glass substrate and on a side of the glass substrate adjacent to the quarter-wave retardation film.
  • the width of each opaque region is greater than the width of the black array layer.
  • each of the opaque regions extends through the glass substrate and is coupled to one of the plurality of black array layers.
  • the width of each of the opaque regions is less than the width of the plurality of black array layers.
  • the stereoscopic image display device further includes a polarizer that is attached to the display panel for polarizing light emitted by the backlight module into linearly polarized light.
  • the present invention further provides a method for forming a stereoscopic image display device, comprising: providing a quarter-wave retardation film and a display panel, the quarter-wave retardation film comprising a plurality of first retarders and a plurality of second retarders, wherein the plurality of first retarders and the plurality of second retarders are alternately arranged, and an optical axis direction of the first retarder and the second The angle of the optical axis of the retarder is 90 degrees.
  • the display panel includes a plurality of left-eye pixel row units, a plurality of right-eye pixel row units, and a color filter, and the plurality of right-eye pixel row units and The plurality of left-eye pixel row units are alternately arranged, and the color filter comprises a plurality of filter units and a black array layer between any two adjacent filter units; forming a plurality of strips on a glass substrate a light transmissive region; and bonding the glass substrate between the quarter-wave retardation film and the display panel, wherein each of the opaque regions is attached to the adjacent first retarder and Above the second retarder.
  • the step of forming a plurality of opaque regions on a glass substrate comprises: forming the plurality of strips on a surface of the glass substrate adjacent to a side of the quarter-wave retardation film with a laser Opaque area.
  • the step of forming a plurality of opaque regions on a glass substrate comprises: forming a plurality of opaque regions penetrating the glass substrate inside the glass substrate with a laser, and each Connecting the opaque region to one of the plurality of black array layers.
  • the step of forming a plurality of opaque regions on a glass substrate comprises: lithography a plurality of grooves on the glass substrate; and forming an opaque material in the plurality of grooves Upper to form the plurality of opaque regions.
  • the present invention provides a stereoscopic image display device and a method of forming the same.
  • the stereoscopic image display device includes a display panel, a quarter-wave retardation film, and a glass substrate.
  • the display panel includes a plurality of left-eye pixel row units, a plurality of right-eye pixel row units, and a color filter, the color filter including a plurality of filter units and a black between any two adjacent filter units Array layer.
  • the quarter-wave retardation film includes a plurality of first retarders and a plurality of second retarders.
  • the glass substrate comprises a plurality of opaque regions, each of the opaque regions being attached to the adjacent first retarder and the second retarder for blocking light emitted by the right-eye pixel row unit
  • the second retarder is incident on the second retarder, or the light emitted by the left-eye pixel row unit is blocked from entering the first retarder. Therefore, even when viewed from a larger viewing angle, the light corresponding to the signal of the right eye (or the left eye) is blocked by the opaque region, thereby improving the crosstalk problem and affecting the 3D image quality.
  • FIG. 1 is a view showing a stereoscopic image display device and a circular lens for displaying a three-dimensional image according to the present invention.
  • FIG. 2 is a schematic diagram of a stereoscopic image display device for displaying a three-dimensional image according to the present invention.
  • FIG. 3 is a schematic view showing a first embodiment of the display panel, the polarizer, the glass substrate, and the quarter-wave retardation film of FIG.
  • FIG. 4 is a schematic view showing a second embodiment of the display panel, the polarizer, the glass substrate, and the quarter-wave retardation film of FIG.
  • FIG. 5 is a flow chart of a method of a stereoscopic image display device formed by the present invention.
  • FIG. 1 illustrates a three-dimensional image display device 100 and a circular-polarized glasses 200 for displaying a three-dimensional image according to the present invention.
  • the stereoscopic image display device 100 generates a stereoscopic image
  • the user wears the circularly polarized glasses 200 to see a stereoscopic image.
  • FIG. 2 is a schematic diagram of a stereoscopic image display device 100 for displaying a three-dimensional image according to the present invention.
  • the stereoscopic image display device 100 includes a backlight module 102, a display panel 140, and a polarizer (polarizing) A plate 130, a glass substrate 163, and a quarter-wave retarder plate 170.
  • the backlight module 102 can be a direct type light emitting diode (Light Array diode, LED), direct-type cold cathode ray tube (CCFL) or edge-lit LED.
  • the display panel 140 includes a pixel array 141 composed of a plurality of pixels, a color filter 142, and a liquid crystal layer 143 (shown in FIG. 3) between the pixel array 141 and the color filter 142.
  • the liquid crystal in the liquid crystal layer of the display panel 140 may be twisted nematic (twisted Nematic, TN) liquid crystal, vertical alignment (Vertical Alignment, VA) Liquid crystal or In-Plane-Switching (IPS) liquid crystal.
  • the pixel array 141 on the display panel 140 includes a plurality of left-eye pixel row units (left-eye) Pixel line unit) L and a plurality of right-eye pixel line units R.
  • the plurality of right-eye pixel row units R and the plurality of left-eye pixel row units L are alternately arranged, wherein the left-eye pixel row unit L is for displaying a left-eye image according to a left-eye signal, and the right-eye pixel row unit R is for The right eye image is displayed according to the right eye signal.
  • the color filter 142 includes a filter unit 142a for displaying three primary colors of red, blue, and green, and a black array between any two adjacent filter units 142a (Black) Matrix) layer 142b. When the light passes through the filter unit 142a of the red, blue, and green primary colors, the corresponding color is displayed, but the light will not pass through the black array layer 142b.
  • the polarizer 130 is disposed on the light emitting side of the display panel 140.
  • the light generated by the backlight module 102 passes through the display panel 140 and is irradiated to the polarizer 130.
  • the polarizer 130 has a transmission axis and an absorption axis perpendicular to the transmission axis.
  • the transmission axis direction of the polarizer 130 is at an angle of 90 degrees to the horizontal direction A.
  • the light emitted by the polarizer 130 is linearly polarized light whose polarization direction is maintained at 90 degrees (i.e., perpendicular to the horizontal direction A).
  • the quarter-wave retardation film 170 has a plurality of first retardation films 171 and a plurality of second retardation films 172.
  • the plurality of first retarders 171 and the plurality of second retarders 172 are alternately arranged.
  • the angle between the optical axis direction of the first retarder 171 and the horizontal direction A is 135 degrees, and the optical axis direction and level of the second retarder 172 are horizontal.
  • the angle A in the direction A is 45 degrees.
  • the light emitted from the right-eye pixel row unit R passes through the polarizer 130 and the first retarder 171 of the quarter-wave retardation film 170, and becomes right-handed circularly polarized light; the light emitted from the left-eye pixel row unit L After passing through the polarizer 130 and the second retarder 172 of the quarter-wave retardation film 170, it becomes left-handed circularly polarized light.
  • the right lens of the circular lens 200 includes a first retarder 171 and a polarizer 173 whose transmission axis direction is perpendicular to the horizontal direction A.
  • the left lens of the circular glasses 200 includes the second retarder 172 and the transmission axis direction is perpendicular to the horizontal direction.
  • the observer wears the circularly polarized glasses 200, and the eyes can respectively see different left eyes.
  • the image and the right eye image are perceived in the human brain as seeing 3D images.
  • FIG. 3 is a schematic diagram of the first embodiment after the combination of the display panel, the polarizer, the glass substrate and the quarter-wave retardation film of FIG.
  • a glass substrate 163 is disposed between the quarter-wavelength retardation film 170 and the display panel 140, and a plurality of opaque regions 165 are disposed on the glass substrate 163.
  • each of the opaque regions 165 may be attached to the adjacent first retarder 171 and second retarder 172.
  • Each of the opaque regions 165 is located on the side of the glass substrate 163 adjacent to the quarter-wave retardation film 170, and the width must be smaller than the width of the right-eye pixel row unit R or the left-eye pixel row unit L.
  • the width W1 of each of the opaque regions 165 is greater than the width W2 of the black array layer 142b, and the laser is directly irradiated on the glass.
  • the surface of the substrate 163 is formed to form an opaque region 165.
  • each opaque region 165 is greater than the width W2 of the black array layer 142b, because the opaque region 165 penetrates the glass substrate 163 and is connected to the black array layer 142b, the right eye The light corresponding to the (or left eye) signal will only be emitted from the first retarder 171 (or the second retarder 172). Right eye when viewed from a larger viewing angle The (or left eye) signal is blocked by the opaque region 165 and does not exit through the second retarder 172 (or the first retarder 171), thereby improving the crosstalk problem and thereby affecting the 3D image quality.
  • FIG. 4 is a schematic diagram of a second embodiment of the display panel, the polarizer, the glass substrate and the quarter-wave retardation film of FIG. Unlike FIG. 3, FIG. 4 irradiates the inside of the glass substrate 163 with a laser to form an opaque region 165.
  • Each of the opaque regions 165 extends through the glass substrate 163 and is connected to the black array layer 142b, and the width W3 of the opaque region 165 is less than the width W4 of the black array layer 142b. Because the opaque region 165 penetrates the glass substrate 163 and is connected to the black array layer 142b, the right eye The light corresponding to the (or left eye) signal will only be emitted from the first retarder 171 (or the second retarder 172).
  • the (or left eye) signal is blocked by the opaque region 165 and does not exit through the second retarder 172 (or the first retarder 171), thereby improving the crosstalk problem and thereby affecting the 3D image quality.
  • a method of forming the opaque region 165 on the glass substrate 163 may be performed by first etching a plurality of grooves on the glass substrate 163, and then forming an opaque material, such as a metal, on the plurality of grooves. .
  • FIG. 5 is a flowchart of a method of the stereoscopic image display device 100 formed by the present invention. The method includes the following steps:
  • Step 500 Providing a quarter-wave retardation film 170 and a display panel 140.
  • the quarter-wave retardation film 170 includes a plurality of first retardation films 171 and a plurality of second retardation films 172.
  • the plurality of first retarders 171 and the plurality of second retarders 172 are alternately arranged, and the angle between the optical axis direction of the first retarder 171 and the optical axis direction of the second retarder 172 is 90 degrees.
  • the display panel 140 includes a pixel array 141, a color filter 142, and a liquid crystal layer 143 between the pixel array 141 and the color filter 142.
  • the pixel array 141 on the display panel 140 includes a plurality of left-eye pixel row units L and a plurality of right-eye pixel row units. A plurality of right-eye pixel row units R and the plurality of left-eye pixel row units L are alternately arranged.
  • the color filter 142 includes a filter unit 142a for displaying three primary colors of red, blue, and green, and a black array layer 142b between any two adjacent filter units 142a.
  • Step 502 forming a plurality of opaque regions 165 on a glass substrate 163.
  • a plurality of opaque regions 165 are formed on the glass substrate 163.
  • the surface or the inside of the glass substrate 163 may be directly irradiated with laser light to form a plurality of opaque regions 165; or a plurality of grooves may be lithographically formed on the glass substrate 163.
  • an opaque material such as a metal, is formed over the plurality of grooves to form a plurality of opaque regions 165.
  • Step 504 The glass substrate 163 is bonded to the quarter-wave retardation film 170 and the display panel 140.
  • Each of the opaque regions 165 is attached to the adjacent first retarder 171 and second retarder 172, and each of the opaque regions 165 may be located on the surface of the glass substrate 163, close to a quarter.
  • One side of the wavelength retardation film 170, or each of the opaque regions 165 penetrates the glass substrate 163 and is bonded to the black array layer 142b.
  • each of the opaque regions 165 can be used to block the light emitted by the right-eye pixel row unit R from entering the second retarder 172 or blocking the left-eye pixel row unit L.
  • the emitted light is incident on the first retardation film 171. So even when viewed from a larger viewing angle, the right eye The light corresponding to the signal (or the left eye) is blocked by the opaque region 165 and is not emitted through the second retarder 172 (or the first retarder 171), thereby improving the crosstalk problem and affecting the 3D image quality.

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Description

立体影像显示设备以及其形成方法 技术领域
本发明涉及一种用于立体影像显示设备以及其形成方法，尤其涉及一种可改善影像串扰的立体影像显示设备以及其形成方法。
 背景技术
人类是透过双眼所看到的展望而感知到真实世界的影像。而人类的大脑会进一步根据双眼所看到两个不同角度的展望之间的空间距离差异而形成所谓的3D(3-dimension)影像。所谓的3D显示设备就是模拟人类双眼不同角度的视野，而使得使用者在观看的2D显示影像时，能感知为3D影像的显示设备。
目前的3D显示设备主要分为两类，分别是自动立体影像显示设备(Auto-stereoscopic display)以及非自动立体影像显示设备(Stereoscopic display)。自动立体影像显示设备的用户不用戴上特殊结构的眼镜就可以看出3D立体影像。而另一种非自动立体影像显示设备则需要用户戴上特制的眼镜，才能看到3D立体影像。在佩戴特殊结构的眼镜以选择性接收立体影像时，观看者将可感受到立体影像。已知左与右眼实际上是分别接收到不同的影像，而观看者藉由在大脑中分析该影像而感受到立体影像。依据上述说明，能辨识三度空间的要素是根据进入左眼与右眼的影像，因此，需要由至少二立体影像摄影机拍摄左眼影像与右眼影像，而后该左眼影像与右眼影像被隔开并传送至显示器。观看者佩戴眼镜分别由左与右眼观看经选定的左眼影像与右眼影像，使其感觉到该立体影像。
其中一种非自动立体影像显示设备是在显示面板之前贴上一层相位差膜(retarder)，观赏者需戴上特制的偏光眼镜。该相位差膜是由0和λ/2两种相位延迟薄膜在行方向上重新交错排列而成。该偏光眼镜的左眼镜片与右眼镜片分别贴上偏光轴方向互相垂直的偏光片。利用光的偏振方向的不同将左眼与右眼影像分离，而观赏者通过偏光眼镜可以正确地让左、右眼分别看到左眼与右眼画面来产生3D的效果。
然而，观赏者通过上述非自动立体影像显示设备观看3D影像时，左(或右)眼影像会有少部分进入右(或左)眼通道，这样便会产生影像串扰(Crosstalk)，影像串扰的大小直接影响到观看3D的效果。
 技术问题
本发明主要解决的技术问题是提供一种立体影像显示设备以及其形成方法，能够避免。所以左或右眼影像会有少部分进入右或左眼通道，因而可以改善串扰的问题，进而增加3D影像品质。
 技术解决方案
为了解决现有技术的问题，本发明提供了一种立体影像显示设备，用来显示一立体影像，其包含一背光模块用来发出光线；一显示面板，包含多条左眼像素行单元、多条右眼像素行单元以及一彩色滤光片，所述多条右眼像素行单元与所述多条左眼像素行单元是交替排列，所述彩色滤光片包含多个滤光单元以及位于任两个相邻滤光单元之间的黑色阵列层；一四分之一波长延迟膜，包含多条第一延迟片和多条第二延迟片，所述多条第一延迟片和所述多条第二延迟片是交替排列，每一第一延迟片的光轴方向与每一第二延迟片的光轴方向的夹角呈90度；一玻璃基板，位于所述显示面板以及所述四分之一波长延迟膜之间，所述玻璃基板包含多条不透光区，每一不透光区贴合在相邻的所述第一延迟片和所述第二延迟片之上，用来阻挡由所述右眼像素行单元射出的光线射入所述第二延迟片，或是阻挡由所述左眼像素行单元射出的光线射入所述第一延迟片。
依据本发明的实施例，每一不透光区形成于所述玻璃基板的表面，并位于所述玻璃基板靠近所述四分之一波长延迟膜的一侧。
依据本发明的实施例，每一不透光区的宽度大于所述黑色阵列层的宽度。
依据本发明的实施例，每一不透光区贯穿所述玻璃基板，并连接于所述多个黑色阵列层其中之一。
依据本发明的实施例，每一不透光区的宽度小于所述多个黑色阵列层的宽度。
依据本发明的实施例，所述立体影像显示设备另包含一偏光片，贴合于所述显示面板上，用来将所述背光模块发出的光线偏振成一线偏振光。
为了解决现有技术的问题，本发明另提供一种形成一立体影像显示设备的方法，其包含：提供一四分之一波长延迟膜以及一显示面板，所述四分之一波长延迟膜包含多条第一延迟片和多条第二延迟片，所述多条第一延迟片和所述多条第二延迟片是交替排列，所述第一延迟片的光轴方向与所述第二延迟片的光轴方向的夹角呈90度，所述显示面板包含多条左眼像素行单元、多条右眼像素行单元以及一彩色滤光片，所述多条右眼像素行单元与所述多条左眼像素行单元是交替排列，所述彩色滤光片包含多个滤光单元以及位于任两个相邻滤光单元之间的黑色阵列层；在一玻璃基板形成多条不透光区；以及将所述玻璃基板贴合于所述四分之一波长延迟膜以及所述显示面板之间，其中每一不透光区贴合在相邻的所述第一延迟片和所述第二延迟片之上。
依据本发明的实施例，在一玻璃基板形成多条不透光区的步骤包含：以激光在所述玻璃基板靠近所述四分之一波长延迟膜的一侧的表面上形成所述多条不透光区。
依据本发明的实施例，在一玻璃基板形成多条不透光区的步骤包含：以激光在所述玻璃基板的内部形成贯穿所述玻璃基板的所述多个不透光区，并每一连接不透光区于所述多个黑色阵列层其中之一。
依据本发明的实施例，在一玻璃基板形成多条不透光区的步骤包含：在所述玻璃基板上光刻出多个凹槽；及将不透光材料形成在所述多个凹槽上以形成所述多个不透光区。
 有益效果
本发明提供一种立体影像显示设备以及其形成方法。该立体影像显示设备包含显示面板、四分之一波长延迟膜及玻璃基板。该显示面板包含多条左眼像素行单元、多条右眼像素行单元以及彩色滤光片，该彩色滤光片包含多个滤光单元以及位于任两个相邻滤光单元之间的黑色阵列层。该四分之一波长延迟膜包含多条第一延迟片和多条第二延迟片。该玻璃基板包含多条不透光区，每一不透光区贴合在相邻的该第一延迟片和该第二延迟片之上，用来阻挡由该右眼像素行单元射出的光线射入该第二延迟片，或是阻挡由该左眼像素行单元射出的光线射入该第一延迟片。所以即使以较大视角观看时，右眼(或左眼)信号所对应的光线会被不透光区阻挡，因而可以改善串扰的问题，进而影响3D影像品质。
 附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1绘示本发明的显示三维影像的立体影像显示设备与圆偏眼镜。
图2是本发明的显示三维影像的立体影像显示设备的示意图。
图3是图2的显示面板、偏光片、玻璃基板以及四分之一波长延迟膜组合后第一实施例的示意图。
图4是图2的显示面板、偏光片、玻璃基板以及四分之一波长延迟膜组合后第二实施例的示意图。
图5是本发明形成的立体影像显示设备的方法流程图。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图式，用以例示本发明可用以实施之特定实施例。本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、「右」、「顶」、「底」、「水平」、「垂直」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
请参阅图1，图1绘示本发明的显示三维影像的立体影像显示设备100与圆偏眼镜200。当立体影像显示设备100产生的立体影像时，用户佩戴圆偏眼镜200就会有看到立体影像。
请参阅图2，图2是本发明的显示三维影像的立体影像显示设备100的示意图。立体影像显示设备100包含背光模块102、显示面板140、偏光片(polarizing plate)130、玻璃基板163以及四分之一波长延迟膜(λ/4 retarder plate)170。背光模块102可以是直下式发光二极管(Light emitting diode，LED)，直下式冷阴极射线管(CCFL)或是侧光式LED构成。
显示面板140包含由数个像素组成的像素阵列141、彩色滤光片142以及位于像素阵列141以及彩色滤光片142之间的液晶层143(绘示于图3)。在本实施例中，显示面板140的液晶层内的液晶可以是扭转向列(twisted nematic，TN)液晶、垂直排列 (Vertical alignment，VA)液晶或是平面内切换(In-Plane-Switching，IPS)液晶。显示面板140上的像素阵列141包含多条左眼像素行单元(left-eye pixel line unit) L与多条右眼像素行单元(right-eye pixel line unit) R。多条右眼像素行单元R与该多条左眼像素行单元L是交替排列，其中左眼像素行单元L是用来依据左眼信号显示左眼影像，右眼像素行单元R是用来依据右眼信号显示右眼影像。彩色滤光片142则包含用来显示红、蓝、绿三原色的滤光单元142a以及位于任两个相邻滤光单元142a之间的黑色阵列(Black matrix)层142b。当光线通过红、蓝、绿三原色的滤光单元142a后，就会显示出对应的颜色，但是光线将不会通过黑色阵列层142b。
显示面板140出光侧设置偏光片130。背光模块102产生的光线经过显示面板140后会照射至偏光片130。偏光片130具有透射轴以及与所述透射轴垂直的吸收轴，通过显示面板140的光线入射时，偏光轴方向与透射轴大致平行的光线会透射，而偏光轴方向与吸收轴大致平行的光线会被阻隔。在本实施例中，偏光片130的透射轴方向与水平方向A呈90度夹角。由偏光片130射出的光线会是偏振方向维持90度(亦即垂直于水平方向A)的线偏振光。
四分之一波长延迟膜170具有多条第一延迟片171和多条第二延迟片172。多条第一延迟片171和多条第二延迟片172是交替排列，第一延迟片171的光轴方向与水平方向A的夹角为135度，第二延迟片172的光轴方向与水平方向A的夹角为45度。从右眼像素行单元R射出的光线经过偏光片130以及四分之一波长延迟膜170的第一延迟片171后，会变为右旋圆偏振光；从左眼像素行单元L射出的光线经过偏光片130以及四分之一波长延迟膜170的第二延迟片172后，会变为左旋圆偏振光。
圆偏眼镜200的右眼镜片上包含第一延迟片171和透射轴方向垂直于水平方向A的偏振片173，圆偏眼镜200的左眼镜片上包含第二延迟片172和透射轴方向垂直于水平方向A的偏振片173。因此，形成的左旋圆偏振光可以透过左眼镜片，而右旋圆偏振光可以透过右眼镜片。在本实施例中，由于左旋圆偏振光是对应到左眼信号，右旋圆偏振光是对应到右眼信号，因此观察者戴上圆偏眼镜200，双眼就可以分别看到不同的左眼影像与右眼影像，并在人脑感知成看到了3D影像。
请参阅图3，图3是图2的显示面板、偏光片、玻璃基板以及四分之一波长延迟膜组合后第一实施例的示意图。为了避免影像串扰的问题而影响观看3D的效果，本实施例在四分之一波长延迟膜170与显示面板140之间设置一玻璃基板163，玻璃基板163上设置多条不透光区165。当显示面板140、玻璃基板163和四分之一波长延迟膜170贴合后，每一不透光区165会贴合在相邻的第一延迟片171和第二延迟片172之上。每一不透光区165是位在玻璃基板163靠近四分之一波长延迟膜170的一侧，且宽度必须要小于右眼像素行单元R或左眼像素行单元L的宽度。为了避免因增加黑色阵列层142b的宽度而降低像素的开口率，所以本实施例中，每一不透光区165的宽度W1大于黑色阵列层142b的宽度W2，而且是以激光直接照射在玻璃基板163表面以形成不透光区165。因为每一不透光区165的宽度W1大于黑色阵列层142b的宽度W2，因为不透光区165贯穿玻璃基板163且连接于黑色阵列层142b，右眼 (或左眼)信号所对应的光线只会从第一延迟片171(或第二延迟片172)射出。即使以较大视角观看时，右眼 (或左眼)信号会被不透光区165阻挡并不会通过第二延迟片172(或第一延迟片171)射出，因而可以改善串扰的问题，进而影响3D影像品质。
请参阅图4，图4是图2的显示面板、偏光片、玻璃基板以及四分之一波长延迟膜组合后第二实施例的示意图。不同于图3，图4是以激光照射玻璃基板163内部以形成不透光区165。每一不透光区165贯穿玻璃基板163且连接于黑色阵列层142b，且不透光区165的宽度W3少于黑色阵列层142b的宽度W4。因为不透光区165贯穿玻璃基板163且连接于黑色阵列层142b，右眼 (或左眼)信号所对应的光线只会从第一延迟片171(或第二延迟片172)射出。即使以较大视角观看时，右眼 (或左眼)信号会被不透光区165阻挡并不会通过第二延迟片172(或第一延迟片171)射出，因而可以改善串扰的问题，进而影响3D影像品质。
在玻璃基板163上形成不透光区165的方式，也可以先在玻璃基板163上光刻出多个凹槽后，再将不透光材料，例如金属，形成在所述多个凹槽上。
请一并参阅图2以及图5，图5是本发明形成的立体影像显示设备100的方法流程图。该方法包含以下步骤：
步骤500：提供一四分之一波长延迟膜170以及一显示面板140。四分之一波长延迟膜170包含多条第一延迟片171和多条第二延迟片172。多条第一延迟片171和多条第二延迟片172是交替排列，第一延迟片171的光轴方向与第二延迟片172的光轴方向的夹角呈90度。显示面板140包含像素阵列141、彩色滤光片142以及位于像素阵列141以及彩色滤光片142之间的液晶层143。显示面板140上的像素阵列141包含多条左眼像素行单元L与多条右眼像素行单元。多条右眼像素行单元R与该多条左眼像素行单元L是交替排列。彩色滤光片142则包含用来显示红、蓝、绿三原色的滤光单元142a以及位于任两个相邻滤光单元142a之间的黑色阵列层142b。
步骤502：在一玻璃基板163形成多条不透光区165。在玻璃基板163形成多条不透光区165的方式可以激光直接照射玻璃基板163的表面或内部以形成多个不透光区165；或是先在玻璃基板163上光刻出多个凹槽后，再将不透光材料，例如金属，形成在所述多个凹槽上以形成多个不透光区165。
步骤504：将玻璃基板163贴合于四分之一波长延迟膜170以及显示面板之间140。每一不透光区165贴合在相邻的第一延迟片171和第二延迟片172之上，每一不透光区165可以是位在玻璃基板163的表面上，靠近四分之一波长延迟膜170的一侧，或是每一不透光区165贯穿玻璃基板163并贴合于黑色阵列层142b。
利用上述方法制造的立体影像显示设备100，每一不透光区165可以用来阻挡由右眼像素行单元R射出的光线射入第二延迟片172，或是阻挡由左眼像素行单元L射出的光线射入第一延迟片171。所以即使以较大视角观看时，右眼 (或左眼)信号所对应的光线会被不透光区165阻挡并不会通过第二延迟片172(或第一延迟片171)射出，因而可以改善串扰的问题，进而影响3D影像品质。
综上所述，虽然本发明已以较佳实施例揭露如上，但该较佳实施例并非用以限制本发明，该领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。
 本发明的实施方式
工业实用性
序列表自由内容

Claims (10)

  1. 一种立体影像显示设备，用来显示一立体影像，其包含：
    一背光模块，用来发出光线；
    一显示面板，包含多条左眼像素行单元、多条右眼像素行单元以及一彩色滤光片，所述多条右眼像素行单元与所述多条左眼像素行单元是交替排列，所述彩色滤光片包含多个滤光单元以及位于任两个相邻滤光单元之间的黑色阵列层；
    一四分之一波长延迟膜，包含多条第一延迟片和多条第二延迟片，所述多条第一延迟片和所述多条第二延迟片是交替排列，每一第一延迟片的光轴方向与每一第二延迟片的光轴方向的夹角呈90度；以及
    一玻璃基板，位于所述显示面板以及所述四分之一波长延迟膜之间，所述玻璃基板包含多条不透光区，每一不透光区贴合在相邻的所述第一延迟片和所述第二延迟片之上，用来阻挡由所述右眼像素行单元射出的光线射入所述第二延迟片，或是阻挡由所述左眼像素行单元射出的光线射入所述第一延迟片。
  2. 如权利要求1所述的立体影像显示设备，其中每一不透光区形成于所述玻璃基板的表面，并位于所述玻璃基板靠近所述四分之一波长延迟膜的一侧。
  3. 如权利要求2所述的立体影像显示设备，其中每一不透光区的宽度大于所述黑色阵列层的宽度。
  4. 如权利要求1所述的立体影像显示设备，其中每一不透光区贯穿所述玻璃基板，并连接于所述多个黑色阵列层其中之一。
  5. 如权利要求4所述的立体影像显示设备，其中每一不透光区的宽度小于所述多个黑色阵列层的宽度。
  6. 如权利要求4所述的立体影像显示设备，其中所述立体影像显示设备另包含一偏光片，贴合于所述显示面板上，用来将所述背光模块发出的光线偏振成一线偏振光。
  7. 一种形成一立体影像显示设备的方法，其包含：
    提供一四分之一波长延迟膜以及一显示面板，所述四分之一波长延迟膜包含多条第一延迟片和多条第二延迟片，所述多条第一延迟片和所述多条第二延迟片是交替排列，所述第一延迟片的光轴方向与所述第二延迟片的光轴方向的夹角呈90度，所述显示面板包含多条左眼像素行单元、多条右眼像素行单元以及一彩色滤光片，所述多条右眼像素行单元与所述多条左眼像素行单元是交替排列，所述彩色滤光片包含多个滤光单元以及位于任两个相邻滤光单元之间的黑色阵列层；
    在一玻璃基板形成多条不透光区；以及
    将所述玻璃基板贴合于所述四分之一波长延迟膜以及所述显示面板之间，其中每一不透光区贴合在相邻的所述第一延迟片和所述第二延迟片之上。
  8. 如权利要求7所述的方法，其中在一玻璃基板形成多条不透光区的步骤包含：以激光在所述玻璃基板靠近所述四分之一波长延迟膜的一侧的表面上形成所述多条不透光区。
  9. 如权利要求7所述的方法，其中在一玻璃基板形成多条不透光区的步骤包含：以激光在所述玻璃基板的内部形成贯穿所述玻璃基板的所述多个不透光区，并每一连接不透光区于所述多个黑色阵列层其中之一。
  10. 如权利要求7所述的方法，其中在一玻璃基板形成多条不透光区的步骤包含：
    在所述玻璃基板上光刻出多个凹槽；及
    将不透光材料形成在所述多个凹槽上以形成所述多条不透光区。
PCT/CN2012/084283 2012-09-27 2012-11-08 立体影像显示设备以及其形成方法 Ceased WO2014048010A1 (zh)

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