WO2017088233A1 - 无边框显示设备 - Google Patents

无边框显示设备 Download PDF

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Publication number
WO2017088233A1
WO2017088233A1 PCT/CN2015/098862 CN2015098862W WO2017088233A1 WO 2017088233 A1 WO2017088233 A1 WO 2017088233A1 CN 2015098862 W CN2015098862 W CN 2015098862W WO 2017088233 A1 WO2017088233 A1 WO 2017088233A1
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WO
WIPO (PCT)
Prior art keywords
display device
lens group
frameless
display
material layer
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PCT/CN2015/098862
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English (en)
French (fr)
Inventor
陈黎暄
贺虎
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深圳市华星光电技术有限公司
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Priority to US14/908,286 priority Critical patent/US20180031913A1/en
Publication of WO2017088233A1 publication Critical patent/WO2017088233A1/zh

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    • 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
    • G02F1/133526—Lenses, e.g. microlenses or Fresnel lenses
    • 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
    • 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
    • G02F1/133528—Polarisers
    • 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
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133331—Cover glasses
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a frameless display device.
  • liquid crystal display devices With the development of technology, more and more users use liquid crystal display devices, so the quality requirements for liquid crystal display devices are getting higher and higher. At present, the homogenization of liquid crystal display devices of various manufacturers is becoming more and more serious, which makes people mainly pursue a larger effective display area for consideration of differentiation and experience.
  • this technology specifically attaches a prismatic amplifying body 2 with an inverted trapezoidal cross section on the display surface of the display device 1 .
  • a protective frame 3 is attached outside the display device to support the back of the prismatic amplifying body 2.
  • this combined display device does not achieve a good borderless display. Since the prism-shaped amplifying body 2 has inclined portions protruding from both sides of the display device, the prism-shaped amplifying body 2 and the display glass of the display device are highly likely to interfere, and not only the frameless display is not achieved, but also the display effect is seriously affected.
  • the present invention provides a frameless display device with good display effect.
  • a frameless display device includes a display device, a lens group, and a transparent material layer disposed between the lens group and a display surface of the display device, the outer surface of the lens group is a curved surface, and the transparent material layer At least completely covering the display surface of the display device.
  • the transparent material layer is an optical glue.
  • an upper polarizer is attached to an outer surface of the lens group.
  • a lower polarizer is attached to the bottom surface of the display device.
  • a periphery of the lens group protrudes from the display device, and the transparent material layer completely covers a bottom surface of the lens group.
  • a bottom surface of the display device is attached with a lower polarizer, and an edge of the lower polarizer protrudes around the display device.
  • the lens group has an arcuate cross section.
  • the borderless display device further includes a frame that is in close contact with the display device and an end surface of the lens group.
  • the inner wall of the top of the frame is provided with a step portion, the bottom surface of the lens group is the same size as the display surface, and the top of the lens group protrudes toward the periphery to form a flange, and the flange abuts the Steps.
  • an angle between the end surface and the bottom surface of the lens group is not less than 90°.
  • the outer surface of the lens group is made into a curved surface, and the transparent material layer completely covers the display surface of the display device, thereby realizing the effect of no border display, and avoiding Interference phenomenon occurs to ensure the display effect; at the same time, the upper polarizer of the display device is attached to the curved surface of the lens group, thereby avoiding the polarized light caused by the lens group directly attached to the upper polarizer on the display glass in the prior art. Tablet damage.
  • FIG. 1 is a schematic structural view of a prior art borderless display device.
  • FIG. 2 is a schematic structural diagram of a frameless display device according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic structural diagram of a frameless display device according to Embodiment 2 of the present invention.
  • the frameless display device of the present invention includes a display device 10, a lens group 20, and a transparent material layer 30 disposed between the lens group 20 and the display surface of the display device 10.
  • the outer surface of the lens group 20 is curved and transparent.
  • the material layer 30 at least completely covers the display surface of the display device 10.
  • the lens group 20 has a high transmittance in the visible light wavelength range, and by designing the curved surface curvature of the outer surface thereof, the curved surface having a small curvature can reduce the risk of distortion of the image. Since the outer surface of the lens group 20 is a curved surface, and a transparent material layer 30 is disposed between the display device 10 and the lens group 20, the probability of interference of the display device is greatly reduced, and the light emitted from the edge of the lens group 20 is refracted and diverged, and the user sees The display screen that is displayed does not have a border, and the display effect is good.
  • the transparent material layer 30 is an optical glue
  • the display device 10 is a liquid crystal panel
  • the upper surface of the lens group 20 is attached with an upper polarizer 40
  • the lower surface of the display device 10 is attached with a lower polarizer 60.
  • the upper polarizer 40 is disposed on the outer surface of the lens group 20, so that the mounting lens group 20 is prevented from being damaged between the optical glass and the lens group 20, and the upper polarizer 40 is more convenient to mount and also reduces the optical. The effect of the transparent material layer 30 provided on the glass on the upper polarizer 40.
  • the area of the bottom surface of the lens group 20 is larger than the display surface of the display device 10.
  • the lens group 20 has an arcuate cross section, and the bottom surface thereof extends around the display device 10.
  • the transparent material layer 30 completely covers the bottom surface of the lens group 20.
  • the frameless display device of the present embodiment has a frame 50, but the displayed image does not display a frame, specifically, the frame 50 is closely attached to the display device 10 and the lens group 20.
  • the end surface, the curved surface of the top surface of the lens group 20 protrudes from the frame 50, so that the light at the edge of the display device 10 is refracted by the lens group 20, and the frame 50 is blocked to realize a frameless effect.
  • the inner wall of the top of the frame 50 is further provided with a step portion 51.
  • the bottom surface of the lens group 20 is the same size as the display surface, and the top of the lens group 20 is convex toward the periphery to form a flange 21 at a distance from the bottom surface thereof, and the flange 21 is tight. Adhered to the step portion 51, the lens group 20, the display device 10, and the bezel 50 can be well joined together.
  • the flange 21 may be formed by sanding, and the angle ⁇ between the end surface of the lens group 20 and the bottom surface is not less than 90° to avoid affecting the display effect.
  • the periphery of the upper polarizer 40 may further extend to the frame 50 or the display surface so as to be partially sandwiched between the end surface of the lens group 20 and the frame 50, and the frame 50 and the lens group 20 can be used for auxiliary positioning, thereby reducing The difficulty of attaching the upper polarizer 40 to the curved surface of the lens group 20.
  • the outer surface of the lens group is made into a curved surface, and the transparent material layer completely covers the display surface of the display device, thereby realizing the effect of the borderless display. If the interference phenomenon is avoided, the display effect is ensured; at the same time, the upper polarizer of the display device is attached to the curved surface of the lens group, thereby avoiding the polarized light directly attached to the display glass in the prior art.
  • the polarizer is damaged on the chip, and the optical glue no longer affects the upper polarizer.
  • the upper polarizer can better perform its function and can be more conveniently attached to the curved surface of the lens group.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Lenses (AREA)

Abstract

提供了一种无边框显示设备，包括显示装置（10）、透镜组（20）和设于透镜组（20）和显示装置（10）的显示面之间的透明材料层（30），透镜组（20）的外表面为曲面，透明材料层（30）至少完全覆盖显示装置（10）的显示面。通过在显示装置（10）和透镜组（20）之间设有透明材料层（30），将透镜组（20）的外表面做成曲面，并使透明材料层（30）完全覆盖显示装置（10）的显示面，实现了无边框显示的效果，而且避免了出现干涉现象，保证了显示效果；同时，将显示装置（10）的上偏光片（40）贴合在透镜组（20）的曲面上，避免了将透镜组（20）直接贴合在显示玻璃上的上偏光片（40）上而造成的偏光片损伤。

Description

无边框显示设备 技术领域
本发明涉及显示技术领域，尤其涉及一种无边框显示设备。
背景技术
随着科技的发展，使用液晶显示装置的用户越来越多，因此人们对液晶显示装置的质量要求也越来越高。目前各厂家的液晶显示装置同质化越来越严重，使得人们出于差异化和体验度的考量主要追求更大的有效显示面积。
为了满足用户需求，市场上甚至出现了完全无边框的显示技术，如图1所示，这种技术具体是在显示装置1的显示面上贴合一层倒梯形截面的棱台形放大体2，同时在显示装置外安装有保护框3，对棱台形放大体2的背部进行支撑。但是，事实上这种组合式的显示设备并不能很好地实现无边框的显示效果。由于棱台形放大体2具有伸出于显示装置两侧的倾斜部分，棱台形放大体2与显示设备的显示玻璃处极易发生干涉，不仅没有达到无边框显示，还会严重影响到显示效果。
发明内容
鉴于现有技术存在的不足，本发明提供了一种显示效果好的无边框显示设备。
为了实现上述的目的，本发明采用了如下的技术方案：
一种无边框显示设备，包括显示装置、透镜组和设于所述透镜组和所述显示装置的显示面之间的透明材料层，所述透镜组的外表面为曲面，所述透明材料层至少完全覆盖所述显示装置的显示面。
进一步地，所述透明材料层为光学胶。
进一步地，所述透镜组的外表面贴附有上偏光片。
进一步地，所述显示装置的底面贴附有下偏光片。
进一步地，所述透镜组的四周伸出于所述显示装置，所述透明材料层完全覆盖所述透镜组的底面。
进一步地，所述显示装置的底面贴附有下偏光片，所述下偏光片的边缘伸出于所述显示装置四周。
进一步地，所述透镜组的截面为弓形。
或者，所述的无边框显示设备还包括边框，所述边框紧贴于所述显示装置和所述透镜组的端面。
进一步地，所述边框顶部的内壁设有台阶部，所述透镜组的底面与所述显示面尺寸相同，所述透镜组的顶部朝四周凸出形成凸缘，所述凸缘紧贴所述台阶部。
进一步地，所述透镜组的端面与底面所呈的角度不小于90°。
通过在显示装置和透镜组之间设有透明材料层，将透镜组的外表面做成曲面，并使透明材料层完全覆盖显示装置的显示面，真正做到了无边框显示的效果，而且避免了出现干涉现象，保证了显示效果；同时，将显示装置的上偏光片贴合在透镜组的曲面上，避免了现有技术中透镜组直接贴合在显示玻璃上的上偏光片上而造成的偏光片损伤。
附图说明
图1为现有技术的无边框显示设备的结构示意图。
图2为本发明实施例1的无边框显示设备的结构示意图。
图3为本发明实施例2的无边框显示设备的结构示意图。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
实施例1
参阅图2，本发明的无边框显示设备包括显示装置10、透镜组20和设置在透镜组20和显示装置10的显示面之间的透明材料层30，透镜组20的外表面为曲面，透明材料层30至少完全覆盖显示装置10的显示面。
透镜组20具有可见光波长范围的高透过率，通过将其外表的曲面曲率进行设计，曲率偏小的曲面可以减小画面扭曲的风险。由于透镜组20的外表面为曲面，显示装置10与透镜组20之间有一层透明材料层30，显示设备出现干涉的几率大大降低，自透镜组20边缘出射的光线经折射后发散，用户看到的显示画面不具有边框，显示效果好。
进一步地，透明材料层30为光学胶，显示装置10为液晶面板，透镜组20的外表面贴附有上偏光片40，显示装置10的底面贴附有下偏光片60。上偏光片40被设置在透镜组20的外表面，避免了安装透镜组20是其被夹在光学玻璃和透镜组20之间造成损坏，而且上偏光片40贴装更方便，也降低了光学玻璃上设置的透明材料层30对上偏光片40的影响。
本实施例中，透镜组20底面的面积大于显示装置10的显示面，该透镜组20截面为弓形，其底面四周伸出于显示装置10，透明材料层30完全覆盖透镜组20的底面。通过合理设置透镜组20伸出显示装置10的尺寸可以有效规避较大的AA区(Active Area，有效显示区域)导致的黑边现象。同时，下偏光片60的边缘伸出于显示装置10四周，以提高射入的光的利用率。
实施例2
如图3所示，与实施例1不同，本实施例的无边框显示设备具有边框50，但是其显示出的画面不显示边框，具体是将边框50紧贴于显示装置10和透镜组20的端面，透镜组20的顶面的曲面凸出于边框50，使得显示装置10边缘处的光线经过透镜组20折射后，遮挡住边框50，实现无边框效果。
这里，在边框50顶部的内壁还设置有台阶部51，透镜组20的底面与显示面尺寸相同，透镜组20的顶部朝四周凸出形成距离其底面一段距离的凸缘21，凸缘21紧贴在台阶部51内，透镜组20、显示装置10和边框50三者可以很好地契合在一起。该凸缘21可以是通过打磨形成，这里，透镜组20的端面与底面所呈的角度θ不小于90°，以避免影响显示效果。
更进一步地，上偏光片40的四周可以进一步延伸至边框50或显示面，使其部分夹设在透镜组20的端面和边框50之间，可以利用边框50与透镜组20实现辅助定位，降低上偏光片40在透镜组20的曲面上贴附的难度。
通过在显示装置和透镜组之间设有透明材料层，将透镜组的外表面做成曲面，并使透明材料层完全覆盖显示装置的显示面，真正做到了无边框显示的效 果，而且避免了出现干涉现象，保证了显示效果；同时，将显示装置的上偏光片贴合在透镜组的曲面上，避免了现有技术中透镜组直接贴合在显示玻璃上的上偏光片上而造成的偏光片损伤，而且光学胶不再影响到上偏光片，上偏光片能够更好地发挥其作用，也能更方便地贴附在透镜组的曲面上。
以上仅是本申请的具体实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本申请的保护范围。

Claims (20)

  1. 一种无边框显示设备，其中，包括显示装置、透镜组和设于所述透镜组和所述显示装置的显示面之间的透明材料层，所述透镜组的外表面为曲面，所述透明材料层至少完全覆盖所述显示装置的显示面。
  2. 根据权利要求1所述的无边框显示设备，其中，所述透明材料层为光学胶。
  3. 根据权利要求1所述的无边框显示设备，其中，所述透镜组的外表面贴附有上偏光片。
  4. 根据权利要求1所述的无边框显示设备，其中，所述显示装置的底面贴附有下偏光片。
  5. 根据权利要求1所述的无边框显示设备，其中，所述透镜组的四周伸出于所述显示装置，所述透明材料层完全覆盖所述透镜组的底面。
  6. 根据权利要求3所述的无边框显示设备，其中，所述透镜组的四周伸出于所述显示装置，所述透明材料层完全覆盖所述透镜组的底面。
  7. 根据权利要求5所述的无边框显示设备，其中，所述显示装置的底面贴附有下偏光片，所述下偏光片的边缘伸出于所述显示装置四周。
  8. 根据权利要求5所述的无边框显示设备，其中，所述透镜组的截面为弓形。
  9. 根据权利要求1所述的无边框显示设备，其中，还包括边框，所述边框紧贴于所述显示装置和所述透镜组的端面。
  10. 根据权利要求9所述的无边框显示设备，其中，所述边框顶部的内壁设有台阶部，所述透镜组的底面与所述显示面尺寸相同，所述透镜组的顶部朝四周凸出形成凸缘，所述凸缘紧贴所述台阶部。
  11. 根据权利要求9所述的无边框显示设备，其中，所述透镜组的端面与底面所呈的角度不小于90°。
  12. 根据权利要求2所述的无边框显示设备，其中，还包括边框，所述边框紧贴于所述显示装置和所述透镜组的端面。
  13. 根据权利要求12所述的无边框显示设备，其中，所述边框顶部的内壁 设有台阶部，所述透镜组的底面与所述显示面尺寸相同，所述透镜组的顶部朝四周凸出形成凸缘，所述凸缘紧贴所述台阶部。
  14. 根据权利要求12所述的无边框显示设备，其中，所述透镜组的端面与底面所呈的角度不小于90°。
  15. 根据权利要求3所述的无边框显示设备，其中，还包括边框，所述边框紧贴于所述显示装置和所述透镜组的端面。
  16. 根据权利要求15所述的无边框显示设备，其中，所述边框顶部的内壁设有台阶部，所述透镜组的底面与所述显示面尺寸相同，所述透镜组的顶部朝四周凸出形成凸缘，所述凸缘紧贴所述台阶部。
  17. 根据权利要求15所述的无边框显示设备，其中，所述透镜组的端面与底面所呈的角度不小于90°。
  18. 根据权利要求4所述的无边框显示设备，其中，还包括边框，所述边框紧贴于所述显示装置和所述透镜组的端面。
  19. 根据权利要求18所述的无边框显示设备，其中，所述边框顶部的内壁设有台阶部，所述透镜组的底面与所述显示面尺寸相同，所述透镜组的顶部朝四周凸出形成凸缘，所述凸缘紧贴所述台阶部。
  20. 根据权利要求18所述的无边框显示设备，其中，所述透镜组的端面与底面所呈的角度不小于90°。
PCT/CN2015/098862 2015-11-24 2015-12-25 无边框显示设备 WO2017088233A1 (zh)

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