WO2016041267A1 - 平板显示器装置 - Google Patents

平板显示器装置 Download PDF

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Publication number
WO2016041267A1
WO2016041267A1 PCT/CN2014/093538 CN2014093538W WO2016041267A1 WO 2016041267 A1 WO2016041267 A1 WO 2016041267A1 CN 2014093538 W CN2014093538 W CN 2014093538W WO 2016041267 A1 WO2016041267 A1 WO 2016041267A1
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WO
WIPO (PCT)
Prior art keywords
display device
flat panel
retaining wall
panel display
panel
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Ceased
Application number
PCT/CN2014/093538
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English (en)
French (fr)
Inventor
黄冲
周革革
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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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Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US14/416,819 priority Critical patent/US9635767B2/en
Publication of WO2016041267A1 publication Critical patent/WO2016041267A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
    • H05K7/1427—Housings
    • 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
    • G02F1/133314—Back frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers

Definitions

  • the present invention relates to a liquid crystal module, and more particularly to a flat panel display device.
  • Thin film transistor liquid crystal displays are one of the main types of current flat panel displays, and are widely used in electronic devices.
  • the thin film transistor liquid crystal display includes a backlight, a liquid crystal panel, and a front frame, and the liquid crystal panel itself does not emit light, and the light source provides a light source through the backlight to display an image.
  • the backlight mainly includes: a back plate, an optical component, and a plastic frame, wherein the back plate stiffness is an important factor affecting the size of the display.
  • a metal plate such as an aluminum plate is generally used as the back plate, but the density of the metal plate is large, so that the weight of the display is large, and it is difficult to manufacture a slim type display.
  • the present invention proposes a flat panel display device which can be designed to be very thin and light, has no frame, and is suitable for manufacturing an all-in-one machine.
  • a flat panel display device comprising a back panel and a display panel assembled with the back panel, the edge of the back panel being configured as a retaining wall perpendicular to the back panel body, disposed on the inner wall of the retaining wall There is a step groove for carrying the display panel, and an accommodation space is formed between the display panel and the back plate main body.
  • the flat panel display device of the present invention other necessary components of the integrated machine can be accommodated in the accommodating space surrounded by the retaining wall of the backing plate and the backing plate main body, and thus the flat panel display device can be easily manufactured into an all-in-one machine.
  • the flat panel display devices are also very thin and light.
  • the step groove is from the outer end of the retaining wall toward the back plate
  • the body extends and the depth of the step groove coincides with the thickness of the display panel such that the outer surface of the display panel is in the same plane as the outer end of the retaining wall.
  • the base of the back plate body and the retaining wall is a plastic plate, and the first reinforcing body is disposed in the back plate body.
  • the first reinforcement can increase the rigidity of the plastic sheet so that the back sheet body does not need to be made thicker.
  • the density of plastic is also small. Therefore, the back sheet according to the present invention not only has a small weight but also is very light and thin, whereby a thin and light flat panel display device can be manufactured.
  • the first reinforcement is a metal skeleton.
  • the metal skeleton includes a bezel and a rib connected between opposite sides of the bezel.
  • the flat panel display device also includes a mounting member for the wall mount, the mounting member being secured to the reinforcing rib. This structure greatly improves the firmness of the wall-mounted flat panel display device.
  • the second reinforcement is provided in the retaining wall.
  • the second reinforcement is a metal skeleton or wire. This structure increases the strength of the retaining wall and is suitable for larger, heavier display panels.
  • the second reinforcement is a metal skeleton or wire.
  • the back sheet is produced by adding a first reinforcement and a second reinforcement to the molten plastic and then cooling and molding. After the molding is cooled, the first reinforcement and the second reinforcement are firmly bonded to the plastic substrate, thereby increasing the rigidity of the backboard.
  • the display panel is fixed to the backing plate by one of an adhesive, a snap-fit structure, and a magnet adsorption.
  • the fastening structure includes a first button body and a second button body that can be fastened together, wherein the first button body is the first one disposed in the step groove
  • the belt body is provided with a plurality of first protrusions extending vertically outwardly on the first belt body
  • the second button body is a second belt body disposed on the mounting surface of the display panel
  • the second belt body is disposed on the second belt body a plurality of vertically extending second protrusions, wherein the plurality of first protrusions respectively extend into the gap between the plurality of second protrusions and the plurality of second protrusions respectively extend into the plurality of first protrusions
  • the gap between the first button body and the second button body is achieved.
  • the first protrusion includes a first cylinder that is connected to the first belt body at one end and extends vertically outward, and a first sphere that is mounted on the other end of the first cylinder, the first sphere The diameter is larger than the diameter of the first cylinder, and the second protrusion includes one end a second cylinder connected to the second strip and extending vertically outward, and a second sphere mounted on the other end of the second cylinder, the diameter of the second sphere being larger than the diameter of the second cylinder by passing the first sphere
  • the first buckle body and the second buckle body are engaged by being constrained in the gap between the plurality of second cylinders and by limiting the second sphere in the gap between the plurality of first cylinders. This fastening mechanism is very easy to assemble and simplifies production.
  • the invention has the advantages that the other necessary components of the integrated machine can be accommodated in the recesses of the back wall and the back panel main body, so that the flat panel display device can be easily manufactured into an integrated machine.
  • the depth of the step groove coincides with the thickness of the display panel such that in the assembled state, the display panel and the outer end of the retaining wall are in the same plane so that the flat panel display device can be manufactured in a frameless form.
  • the back plate adopts a plastic plate, and a first reinforcement body is disposed in the back plate main body, and a second reinforcement body is disposed in the retaining wall, so that the back plate can be manufactured to have a small thickness but still have sufficient strength, and The weight of the backboard is also small, so that the flat panel display device can be made very thin.
  • FIG. 1 is a schematic structural view of a portion of a flat panel display according to the present invention.
  • Figure 2 is a cross-sectional view of a portion of a backing plate in accordance with the present invention.
  • Figure 3 is a schematic view showing a first reinforcement according to the present invention.
  • Figure 4 is a schematic view showing a fastening structure in accordance with the present invention.
  • Fig. 1 schematically shows the structure of a flat panel display 10 according to the present invention. Only a part of the flat panel display 10 is shown here, and other parts are the same here, and will not be described again here.
  • the flat panel display 10 includes a back panel 20 and a display panel 11 that is assembled with the back panel 20.
  • the flat panel display 10 also includes other auxiliary members such as holders (not shown) and the like, and these devices and their assembly structures are well known to those skilled in the art, and will not be described herein for the sake of brevity.
  • the edge of the backing plate 20 is configured as a retaining wall 22 that is generally perpendicular to the backing plate body 21.
  • the backing plate 20 has a groove-shaped structure.
  • a stepped groove 24 extending from the outer end portion 23 of the retaining wall 22 toward the backing plate main body 21 is formed on the inner wall of the retaining wall 22 (e.g. As shown in FIG. 2, the flat panel display 10 is fixedly disposed at the stepped groove 24.
  • the gap 40 between the stepped groove 24 and the display panel 11 may be provided with a double-sided tape, glue, magnet, nozzle, fastener, etc. to achieve a fixed connection between the display panel 11 and the backing plate 20.
  • the depth of the step groove 24 coincides with the thickness of the display panel 11, so that the display panel 11 and the outer end portion 23 of the retaining wall 22 are in the same plane after the assembly of the display panel 11 is assembled.
  • the flat panel display 10 realizes a frameless structure or a narrow bezel structure.
  • the back plate 20 of the groove-shaped structure allows the accommodation space 25 (shown in FIG. 1) to be formed between the display panel 11 and the back plate main body 21 after the display panel 11 is assembled.
  • the necessary components 26 can be mounted in the receiving space 25, whereby the flat panel display 10 can be manufactured as an all-in-one.
  • the display panel 11 can be a TFT-LCD liquid crystal panel, an OLED display panel or the like. When a TFT-LCD liquid crystal panel is employed, an illuminating light source, an optical device, and a member 26 may be disposed in the accommodating space 25 to facilitate the manufacture of the flat panel display 10 as an all-in-one.
  • the back panel body 21 can be selected to contain a first reinforcement plastic sheet, as shown in Figures 2 and 3.
  • the first reinforcement 27 can be selected as a metal skeleton, such as a steel bar.
  • the plastic sheet with the first reinforcement 27 actually forms a composite material which has the advantage of a low density of the plastic matrix and also increases the overall stiffness by the first reinforcement. Therefore, the back sheet main body 21 using such a material can have not only a very thin thickness but also sufficient strength at the same time, so that the flat panel display 10 can be made lighter and thinner.
  • the shape of the first reinforcement body 27 may be arranged in an interlaced manner, for example, in a generally "work” shape, a "W” shape, an "M” shape, a “ ⁇ ” shape, or the like.
  • Figure 3 shows a first reinforcement 27 of the "work” shape comprising four bezels 50 with two ribs 51, 52 connected between opposite sides of the bezel 50.
  • the number of ribs is not limited to two, but may be plural.
  • the locations of the ribs 51, 52 are arranged to match the mounting members 53, 53' of the wall mount (not shown) of the flat panel display device 10, for example, the mounting members 53, 53' may be selected to be fixed at The reinforcing ribs 51 and 52 can improve the stability of the wall mounting of the flat panel display device 10.
  • a second reinforcement 60 can be disposed within the barrier wall 22, as shown in FIG.
  • the second reinforcement 60 is a metal skeleton or wire.
  • the wires are dispersed within the retaining wall 22 such that the strength of the retaining wall 22 in all directions is the same.
  • the backing plate 10 can be added to the mold by adding molten plastic, followed by adding the first reinforcement to the molten plastic.
  • the body 27 is then formed by cooling molding.
  • the manufacturing method can easily embed the first reinforcement body 27 and the second reinforcement body 60 into the plastic, and after the cooling molding, the first reinforcement body 27 and the second reinforcement body 60 are firmly combined with the plastic base body, thereby lifting the back.
  • the overall stiffness of the board 20 can be easily embedded the first reinforcement body 27 and the second reinforcement body 60 into the plastic, and after the cooling molding, the first reinforcement body 27 and the second reinforcement body 60 are firmly combined with the plastic base body, thereby lifting the back.
  • the overall stiffness of the board 20 can be added to the mold by adding molten plastic, followed by adding the first reinforcement to the molten plastic.
  • the body 27 is then formed by cooling molding.
  • the manufacturing method can easily embed the first reinforcement body 27 and the second reinforcement body 60 into the plastic, and after the cooling molding, the first reinforcement body 27 and the second reinforcement body 60 are firmly combined with the
  • Fig. 4 schematically shows a fastening structure in which the display panel 11 and the backing plate 20 are joined together.
  • the fastening structure includes a first button body 71 and a second button body 72 that can be snapped together.
  • the first button body 71 includes a first belt body 73 disposed vertically outward of the step groove 24.
  • a plurality of outwardly extending first protrusions 74 are vertically disposed on the first belt body 73.
  • the second button body 72 includes a second belt body 76 disposed on a mounting surface of the display panel 11, and a plurality of outwardly extending second protrusions 77 are vertically disposed on the second belt body 76.
  • the first button body 71 is engaged with the second button body 72.
  • the first projection 74 is formed as a first cylinder 80, and the first end of the first cylinder 80 is vertically connected to the first belt 73 such that the first cylinder 80 extends outward.
  • a first ball 81 is disposed on the second end of the first cylinder 80, and the diameter of the first ball 81 is larger than the diameter of the first cylinder 80.
  • the second protrusion 77 is formed as a second cylinder 82, and the first end of the second cylinder 82 is vertically connected to the second belt 76 such that the second cylinder 82 extends outward.
  • a second ball 83 is disposed on the second end of the second cylinder 82, and the diameter of the second ball 83 is larger than the diameter of the second cylinder 82.
  • the first button body 71 is realized by limiting the first ball 81 within the gap between the plurality of second cylinders 82 and the second ball 83 within the gap between the plurality of first cylinders 80.
  • the fastening of the second button body 72 is as shown in FIG.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Liquid Crystal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

一种平板显示装置，包括背板（20）和与背板（20）装配在一起的显示面板（11），背板（20）的边缘构造为垂直于背板主体（21）的挡墙（22），在挡墙（22）内壁上设置有用于承载显示面板（11）的台阶槽（24），在显示面板（11）和背板主体（21）之间形成容纳空间（25）。台阶槽（24）从挡墙（22）的外端部（23）朝向背板主体（21）延伸并且其深度与显示面板（11）的厚度相一致。背板（20）为包含有增强体的塑料板材。该平板显示装置能够设计成非常轻薄、无边框，并且适合于制造一体机。

Description

平板显示器装置
相关申请的交叉引用
本申请要求享有于2014年9月16日提交的名称为“平板显示器装置”的中国专利申请CN201410471821.3的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本发明涉及一种液晶组件，特别涉及一种平板显示装置。
背景技术
薄膜晶体管液晶显示器(即，TFT-LCD)是当前平板显示的主要类型之一，其在电子设备中得到了广泛的应用。
薄膜晶体管液晶显示器包含有背光、液晶面板和前框，液晶面板本身不发光，其通过背光提供光源从而显示图像。背光主要包含有：背板、光学组件以及胶框，其中背板刚度是影响显示器尺寸的一个很重要的因素。在现有技术中，为了保证背板的刚度，通常采用金属板材例如铝板作为背板，但是金属板材的密度较大，使得显示器的重量大，难以制造轻薄型的显示器。
发明内容
针对现有技术中所存在的上述技术问题，本发明提出了一种平板显示装置，这种平板显示装置能够设计为非常轻薄、无边框，并且适合于制造一体机。
1)根据本发明，提出了一种平板显示装置，包括背板和与背板装配在一起的显示面板，背板的边缘构造为垂直于背板主体的挡墙，在挡墙的内壁上设置有用于承载显示面板的台阶槽，在显示面板和背板主体之间形成容纳空间。
根据本发明的平板显示装置，在背板的挡墙和背板主体围成的容纳空间内可容纳一体机的其他必须的部件，因此这种平板显示装置易于制造成一体机。此外，这种平板显示装置也非常轻薄。
2)在本发明的第1)项的一个实施方式中，台阶槽从挡墙的外端部朝向背板 主体延伸并且台阶槽的深度与显示面板的厚度相一致，使得显示面板的外表面与挡墙的外端部处于同一平面。通过这种结构，能够将根据本发明的平板显示装置制造为无边框形式。这种无边框结构的平板显示装置显示面积更大，更容易将平板显示装置制造为非常轻薄。
3)在本发明的第1)项或第2)项的一个实施方式中，背板主体和挡墙的基体为塑料板材，在背板主体内设置有第一增强体。第一增强体能提高塑料板材的刚度使得不需要将背板主体制造为厚度较大。此外塑料的密度也较小。因此根据本发明的背板不但具有较小的重量，而且也非常轻薄，由此能够制造出轻薄的平板显示装置。
4)在本发明的第3)项的一个实施方式中，第一增强体为金属骨架。金属骨架包括边框和连接在边框的相对边之间的加强筋。平板显示装置还包括用于壁挂架的安装件，安装件固定在加强筋上。这种结构大大提高了壁挂安装的平板显示装置的牢固程度。
5)在本发明的第3)项或第4)项的一个实施方式中，在挡墙内设置有第二增强体。在一个实施例中，第二增强体为金属骨架或金属丝。这种结构提高了挡墙的强度，并适合于较大、较重的显示面板。在一个优选的实施例中，第二增强体为金属骨架或金属丝。
6)在本发明的第3)项或第5)项的一个实施方式中，背板通过向熔融塑料中加入第一增强体和第二增强体，而后冷却成型而制成。成型冷却后，第一增强体和第二增强体会与塑料基体牢固结合，从而提升了背板的刚度。
7)在本发明的第1)项或第2)项的一个实施方式中，显示面板通过胶粘、扣合结构、磁铁吸附中的一种与背板固定在一起。
8)在本发明的第7)项的一个实施方式中，扣合结构包括能够扣合在一起的第一扣体和第二扣体，其中第一扣体为设置在台阶槽内的第一带体，在第一带体上设置有多个垂直向外延伸的第一凸起，第二扣体为设置在显示面板的安装面上的第二带体，在第二带体上设置有多个垂直向外延伸的第二凸起，通过多个第一凸起分别伸入到多个第二凸起之间的空隙以及多个第二凸起分别伸入多个第一凸起之间的空隙实现第一扣体与第二扣体配合。在一个具体的实施例中，第一凸起包括一端连接于第一带体并垂直向外延伸的第一柱体以及安装在第一柱体的另一端上的第一球体，第一球体的直径大于第一柱体的直径，第二凸起包括一端 连接于第二带体并垂直向外延伸的第二柱体以及安装在第二柱体的另一端上的第二球体，第二球体的直径大于第二柱体的直径，通过将第一球体限位在多个第二柱体之间的空隙内以及将第二球体限位在多个第一柱体之间的空隙内而实现第一扣体与第二扣体的扣合。这种扣合机构装配非常方便，简化了生产。
与现有技术相比，本发明的优点在于，在背板的挡墙和背板主体围成的凹槽内可容纳一体机的其他必须的部件，因此这种平板显示装置易于制造成一体机。台阶槽的深度与显示面板的厚度相一致，使得在装配状态中，显示面板与挡墙的外端部处于同一平面从而能将平板显示装置制造为无边框形式。另外，背板采用塑料板材，并且在背板主体内设置有第一增强体，在挡墙内设置有第二增强体，因此能够将背板制造成厚度很薄但仍具备足够的强度，并且背板的重量也较小，从而能够将平板显示装置制造为非常轻薄。
附图说明
在下文中将基于实施例并参考附图来对本发明进行更详细的描述。其中：
图1是根据本发明的平板显示器的一部分的结构示意图；
图2是根据本发明的背板的一部分的剖视图；
图3是显示了根据本发明的第一增强体的示意图；
图4是显示了根据本发明的扣合结构的示意图。
在附图中，相同的部件使用相同的附图标记。附图并未按照实际的比例绘制。
具体实施方式
下面将结合附图对本发明做进一步说明。
图1示意性地显示了根据本发明的平板显示器10的结构。这里仅显示了平板显示器10的一部分，其他部分与此相同，这里不再赘述。平板显示器10包括背板20和与背板20装配在一起的显示面板11。平板显示器10还包括有其他辅助构件例如支座(未示出)等，这些装置和其装配结构均是本领域的技术人员所熟知的，为了简单起见，这里不再赘述。
如图1和2所示，背板20的边缘构造为大体垂直于背板主体21的挡墙22。从整体来看，背板20为凹槽形结构。为了方便平板显示器10的装配，在挡墙22的内壁上构造有从挡墙22的外端部23朝向背板主体21而延伸的台阶槽24(如 图2所示)，平板显示器10则固定地设置在台阶槽24处。在一个实施例中，在台阶槽24和显示面板11之间的间隙40可设置双面胶、胶水、磁铁、吸嘴、扣合件等结构而实现显示面板11与背板20的固定连接。
如图1所示，台阶槽24的深度与显示面板11的厚度相一致，这样在装配完显示面板11装配之后，显示面板11与挡墙22的外端部23处于同一平面。从整体来看，平板显示器10实现了无边框结构或窄边框结构。
凹槽形结构的背板20使得在装配了显示面板11之后，在显示面板11和背板主体21之间形成容纳空间25(如图1所示)。在一个实施例中，可将必须的部件26安装在容纳空间25中，由此可以将平板显示器10制造成一体机。在一个实施例中，显示面板11可为TFT-LCD液晶面板，OLED显示面等面板。当采用TFT-LCD液晶面板时，容纳空间25内可设置发光光源、光学器件以及部件26等以方便将平板显示器10制造成一体机。
为了将平板显示器10制造为更加轻薄，背板主体21可选择为含有第一增强体塑料板材，如图2和3所示。在一个实施例中，第一增强体27可选择为金属骨架，例如钢筋。带有第一增强体27的塑料板材实际上形成复合材料，其即具有塑料基体密度小的优点，还通过第一增强体提高了整体刚度。因此，采用这种材料的背板主体21不但能够具有很薄的厚度，还能够同时具有足够的强度，从而能够平板显示器10制造为更加轻薄。
第一增强体27的形状可为以任意彼此交错的方式而布置例如大体“工”字形、“W”形、“M”形、“∞”形等。图3显示了“工”字形的第一增强体27，其包括四个边框50，在边框50的相对边之间连接有两个加强筋51、52。加强筋的数量不限于两个，而是可以为多个。还应注意地是，加强筋51、52的位置设置为与平板显示装置10的壁挂架(未示出)的安装件53、53’相匹配，例如安装件53、53’可选择为固定在加强筋51、52上，这样能够提高平板显示装置10壁挂的稳定性。使用
为了增强背板20的强度，使得能够在背板20中装配较大、较重的显示面板11，可在挡墙22内设置第二增强体60，如图2所示。在一个实施例中，第二增强体60为金属骨架或金属丝。优选地，金属丝弥散分布在挡墙22内从而使挡墙22各个方向上的强度相同。
背板10可通过将熔融塑料加入到铸模中，接着向熔融塑料中加入第一增强 体27，而后冷却成型而制成。这种制造方法能够方便地将第一增强体27和第二增强体60埋入塑料中，并且冷却成型后第一增强体27和第二增强体60与塑料基体会牢固结合，从而提升了背板20的整体刚度。
图4示意性地显示了将显示面板11和背板20结合在一起的扣合结构。如图4所示，扣合结构包括能够扣合在一起的第一扣体71和第二扣体72。第一扣体71包括设置在台阶槽24的垂直向外的第一带体73。在第一带体73上垂直设置有多个向外延伸的第一凸起74。第二扣体72包括设置在显示面板11的安装面的第二带体76，在第二带体76上垂直设置有多个向外延伸的第二凸起77。通过将多个第一凸起74分别伸入到多个第二凸起77之间的空隙并且将多个第二凸起77分别伸入多个第一凸起74之间的空隙中而实现第一扣体71与第二扣体72配合。
在一个优选的实施例中，第一凸起74形成为第一柱体80，第一柱体80的第一端垂直连接在第一带体73上使得第一柱体80向外延伸。在第一柱体80的第二端上设置有第一球体81，第一球体81的直径大于第一柱体80的直径。第二凸起77形成为第二柱体82，第二柱体82的第一端垂直连接在第二带体76上使得第二柱体82向外延伸。在第二柱体82的第二端上设置有第二球体83，第二球体83的直径大于第二柱体82的直径。通过将第一球体81限位在多个第二柱体82之间的空隙内以及将第二球体83限位在多个第一柱体80之间的空隙内而实现第一扣体71与第二扣体72的扣合，如图4所示。
虽然已经参考优选实施例对本发明进行了描述，但在不脱离本发明的范围的情况下，可以对其进行各种改进并且可以用等效物替换其中的部件。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本发明并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (13)

  1. 一种平板显示装置，包括背板和与所述背板装配在一起的显示面板，所述背板的边缘构造为垂直于背板主体的挡墙，在所述挡墙的内壁上设置有用于承载所述显示面板的台阶槽，在所述显示面板和所述背板主体之间形成容纳空间。
  2. 根据权利要求1所述的平板显示装置，其中，所述台阶槽从所述挡墙的外端部朝向所述背板主体延伸并且所述台阶槽的深度与所述显示面板的厚度相一致，使得所述显示面板的外表面与所述挡墙的外端部处于同一平面。
  3. 根据权利要求1所述的平板显示装置，其中，所述背板主体和挡墙的基体为塑料板材，在所述背板主体内设置有第一增强体。
  4. 根据权利要求2所述的平板显示装置，其中，所述背板主体和挡墙的基体为塑料板材，在所述背板主体内设置有第一增强体。
  5. 根据权利要求4所述的平板显示装置，其中，所述第一增强体为金属骨架。
  6. 根据权利要求5所述的平板显示装置，其中，所述金属骨架包括边框和连接在所述边框的相对边之间的加强筋。
  7. 根据权利要求6所述的平板显示装置，其中，所述平板显示装置还包括用于壁挂架的安装件，所述安装件固定在所述加强筋上。
  8. 根据权利要求4所述的平板显示装置，其中，在所述挡墙内设置有第二增强体。
  9. 根据权利要求8所述的平板显示装置，其中，所述第二增强体为金属骨架或金属丝。
  10. 根据权利要求8所述的平板显示装置，其中，所述背板通过向熔融塑料中加入所述第一增强体和所述第二增强体，而后冷却成型而制成。
  11. 根据权利要求2所述的平板显示装置，其中，所述显示面板通过胶粘、扣合结构、磁铁吸附中的一种与所述背板固定在一起。
  12. 根据权利要求11所述的平板显示装置，其中，所述扣合结构包括能够扣合在一起的第一扣体和第二扣体，
    其中，所述第一扣体为设置在所述台阶槽内的第一带体，在所述第一带体上设置有多个垂直向外延伸的第一凸起，所述第二扣体为设置在所述显示面板的安 装面上的第二带体，在所述第二带体上设置有多个垂直向外延伸的第二凸起，通过多个所述第一凸起分别伸入到多个所述第二凸起之间的空隙以及多个所述第二凸起分别伸入多个所述第一凸起之间的空隙实现所述第一扣体与所述第二扣体配合。
  13. 根据权利要求12所述的平板显示装置，其中，所述第一凸起包括一端连接于所述第一带体并垂直向外延伸的第一柱体以及安装在所述第一柱体的另一端上的第一球体，所述第一球体的直径大于所述第一柱体的直径，所述第二凸起包括一端连接于所述第二带体并垂直向外延伸的第二柱体以及安装在所述第二柱体的另一端上的第二球体，所述第二球体的直径大于所述第二柱体的直径，通过将所述第一球体限位在多个所述第二柱体之间的空隙内以及将所述第二球体限位在多个所述第一柱体之间的空隙内而实现所述第一扣体与所述第二扣体的扣合。
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