WO2016090838A1 - 单元显示屏、拼接显示屏及显示装置 - Google Patents

单元显示屏、拼接显示屏及显示装置 Download PDF

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Publication number
WO2016090838A1
WO2016090838A1 PCT/CN2015/078471 CN2015078471W WO2016090838A1 WO 2016090838 A1 WO2016090838 A1 WO 2016090838A1 CN 2015078471 W CN2015078471 W CN 2015078471W WO 2016090838 A1 WO2016090838 A1 WO 2016090838A1
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Prior art keywords
display screen
display panel
frame
cavity
unit display
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PCT/CN2015/078471
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English (en)
French (fr)
Inventor
杜志宏
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京东方科技集团股份有限公司
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Application filed by 京东方科技集团股份有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US14/891,539 priority Critical patent/US9629261B2/en
Priority to EP15791471.4A priority patent/EP3232426B1/en
Publication of WO2016090838A1 publication Critical patent/WO2016090838A1/zh

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    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • 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
    • G02F1/13336—Combining plural substrates to produce large-area displays, e.g. tiled displays
    • 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
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
    • 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
    • G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • G06F1/1607—Arrangements to support accessories mechanically attached to the display housing
    • 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
    • G06F1/1647—Details related to the display arrangement, including those related to the mounting of the display in the housing including at least an additional display
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
    • G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2300/00—Aspects of the constitution of display devices
    • G09G2300/02—Composition of display devices
    • G09G2300/026—Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/16—Details of telephonic subscriber devices including more than one display unit

Definitions

  • Embodiments of the present invention relate to a unit display screen, a spliced display screen, and a display device.
  • the splicing display (also called splicing wall) is a large-area display formed by splicing together multiple unit displays, featuring ultra-high resolution and large screen display.
  • One of the defects of the existing spliced display screen is that there is often a non-display area such as a frame between the unit display screens of the spliced display screen, which causes black splicing seams between adjacent unit display screens, which affects the display effect.
  • the observer can not only see the frame of the surface, but also directly see the structure of the circuit board and the wire of each unit display screen through the screen.
  • the existing splicing display In order to make the product beautiful, the existing splicing display often designs the circuit board on one side of the frame, and the wire is designed on the other side of the frame to shield the circuit board and the wire.
  • the circuit board and the wire In order to accommodate the circuit board and the wire, such a design needs to increase the frame width of the unit display screen, resulting in a sharp increase in the seam width of the spliced display screen, so that the black splicing seam existing between adjacent unit display screens is wider. It is more difficult to eliminate and greatly affects the display effect.
  • the present invention provides a unit display screen including a display panel and a bezel surrounding the display panel, wherein the bezel includes a first bezel, the first bezel being in a direction away from the display panel
  • the first portion and the second portion are sequentially included, the second portion protruding toward the outside of the display panel with respect to the first portion and including a cavity for accommodating the circuit board and the wire.
  • the second portion includes a sidewall and a spacer disposed on the sidewall, the spacer separating the cavity to be adjacent to the first cavity of the display panel and away from the The second cavity of the display panel; the first cavity is for receiving the circuit board, and the second cavity is for receiving the wire.
  • the spacer includes at least one gap or aperture that communicates the first cavity and the second cavity.
  • the circuit board is mounted on a side wall that is perpendicular to the display panel.
  • the circuit board is secured to the sidewall by a fastener or adhesive.
  • a through hole is provided on a side wall facing the display panel, and the circuit board includes a connection line through which the connection line is connected to the display panel.
  • the second portion further includes a bottom cover portion that opens toward the display panel and mates on the side wall; the side wall and the bottom cover portion enclose the cavity.
  • the bezel further includes a second bezel having a length in a direction away from the display panel that is less than or equal to a length of the first portion.
  • the first portion and the second frame are each provided with a through hole for setting a splicing fastener.
  • first portion and the second frame of the first bezel are each provided with a groove portion for fitting the display panel.
  • a flexible gasket is disposed between the display panel and the groove portion.
  • the width of the second bezel in the direction along the parallel display panel is less than or equal to the convex height of the first portion.
  • the present invention also provides a spliced display screen comprising at least two unit display screens of any of the above.
  • one of the adjacent two unit display screens includes a first bezel and the other side unit display screen includes a second bezel, the first bezel and the second bezel being spliced together.
  • the present invention also provides a display device comprising any of the above-described spliced display screens.
  • FIG. 1 is a schematic structural view of a spliced display screen according to an embodiment of the present invention
  • FIG. 2 is a schematic cross-sectional structural view of a splicing joint in a spliced display screen according to an embodiment of the present invention
  • FIG. 3 is a schematic cross-sectional structural view of a seam of a conventional spliced display screen.
  • FIG. 4 is a cross-sectional structural view of a splicing joint in a spliced display screen according to another embodiment of the present invention.
  • the embodiment of the invention provides a unit display screen, a splicing display screen and a display device, which can solve the problem that the splicing seam is widened by the shielding circuit board and the wire material in the prior art.
  • the spliced display screen includes at least two unit display screens 1 which are spliced together (take a 3 ⁇ 3 unit display screen in FIG. 1 as an example). It can be seen that a joint is formed at the joint between each two unit display screens 1. See Figure 2 for the cross-sectional structure at any of the splicing seams in the spliced display.
  • the unit display screen 1a includes a display panel 11a and a bezel surrounding the display panel 11a
  • the unit display screen 1b includes a display panel 11b and a surrounding display. The border of the panel 11b.
  • the unit display screen 1a has a first bezel including a first portion 21a and a second portion 22a
  • the other side unit display screen 1b has a second bezel 31b.
  • the first bezel includes a first portion 21a and a second portion 22a in the direction away from the display panel 11a (i.e., the direction from the top to the bottom in FIG. 2), and the second portion 22a is opposite to the first portion 21a toward the display panel 11a.
  • the outer side (the right side in FIG. 2) is laterally convex, and the second portion 22a includes a cavity for accommodating the circuit board 41 and the wire 51.
  • the circuit board 41 and the wire 51 can be used only for the unit display 1a or only for the unit display 1b, and can also be shared by the unit display 1a and the unit display 1b.
  • the length of the second frame 31b of the unit display screen 1b in the direction away from the display panel 11b is less than or equal to the length of the first portion 21a to facilitate the Stitched together. Further, the width of the second bezel 31b in the direction along the parallel display panel 11b is less than or equal to the convex height of the first portion 21a to further reduce the width of the splice seam, thereby improving the visual effect.
  • the frame at the seam of any one of the above-mentioned spliced display screens may include only the first frame described above, and the object of the present invention can also be achieved.
  • the frame that is not at the seam may have other structures and shapes.
  • FIG. 3 is a schematic cross-sectional structural view of a conventional spliced display screen at a splicing seam.
  • the two adjacent unit display screens each include a display panel 101.
  • the display panel 101 on the left side is sandwiched and fixed by the top of the first frame body 103 and the second frame body 104.
  • the display panel 101 on the right side is the third frame body 102.
  • the first frame body 103 and the side wall of the second frame body 104 enclose a space for accommodating the circuit board 106, and the third frame body 102 and the fourth frame body 105 are sandwiched and fixed.
  • the side walls enclose a space for accommodating the wires 107.
  • the seam width is the sum of the widths of the borders of the adjacent two unit display screens, and the width of each frame needs to meet the basic requirements of fixing the display panel and accommodating the circuit board or the wire.
  • the width of the splicing seam in the above embodiment of the present invention is still the sum of the widths of the two frames (the first frame and the second frame), but the second portion of the first frame in FIG.
  • the width of 22a in the direction of the parallel display panel 11a has been made equivalent to the width of one of the frames in FIG.
  • the second bezel 31b since the second bezel 31b does not need to accommodate the circuit board 41 or the wire 51, it may have a small bezel width.
  • the protruding height of the second portion 22a relative to the first portion 21a can make the second frame 31b and the first portion 21a more easily fit each other, so that the seam width is only equivalent to the lateral width of the second portion 22a, which is significantly smaller than that of FIG. The seam width in the seam.
  • the first frame can be used to shield the circuit board and the wire well, and the original display panel design is not greatly affected (only a slight change in position and connection mode), and It can also meet the robustness requirements of the splicing display on the splicing structure. Therefore, the unit display screen and the spliced display screen including the first frame and the second frame provided by the embodiments of the present invention can solve the problem that the shielding circuit board and the wire material can widen the splicing seam in the prior art.
  • first frame and the second frame shown in FIG. 2 are only schematic. In other embodiments of the present invention, the first frame and the second frame may be integrally formed.
  • first border can also It is composed of a plurality of components, and other structures than the circuit board and the wire may be disposed inside thereof, and the present invention is not limited.
  • FIG. 4 is a cross-sectional structural view of a splicing screen in a spliced display screen according to another embodiment of the present invention.
  • the first frame includes a first frame body 221a, a second frame body 222a, a spacer portion 223a, and a bottom cover portion 224a.
  • the first frame body 221a and the second frame body 222a form a first portion 21a of the first frame at a portion above the broken line of FIG. 4, and a second portion 22a is formed at a portion below the broken line of FIG. Side wall.
  • the partition portion 223a is disposed on a side wall perpendicular to the display panel (provided on the second frame body 222a in FIG. 4, which is merely an example), and the partition portion 223a separates the cavity of the second portion 22a from the display panel
  • the spacer 223a further includes at least one gap or aperture (such as the gap shown in FIG. 4) that communicates the first cavity C1 with the second cavity C2, such that the wire 51 passes through the gap or the aperture to realize the wire 51 and The (electrical) connection of the circuit board 41.
  • at least one gap or aperture such as the gap shown in FIG. 4 that communicates the first cavity C1 with the second cavity C2, such that the wire 51 passes through the gap or the aperture to realize the wire 51 and The (electrical) connection of the circuit board 41.
  • the circuit board 41 is attached to the side wall of the first cavity C1 perpendicular to the display panel 11a by a fastener or an adhesive, so that the circuit board 41 can be firmly fixed on the one hand.
  • the second frame 222a is vertically designed to make the first cavity C1 and the circuit board appear as a line from the front of the splicing display screen, so that the first frame can be shielded.
  • a through hole H may be provided on the side wall facing the display panel 11a, and the connection line of the circuit board 41 is connected to the display panel 11a through the through hole.
  • the bottom cover portion 224a has an opening toward the display panel 11a and is fitted to the side wall (for example, the bottom cover portion 224a, the first frame body 221a, and the second frame body 222a are fitted in a snap fit manner in FIG. 4). Therefore, the entire cavity is surrounded by the side walls (the first frame body 221a and the second frame body 222a) and the bottom cover portion 224a.
  • the bottom cover portion is made into a detachable member to facilitate the arrangement of the wire member 51. Meanwhile, the bottom cover portion 224a can fasten the first frame body 221a and the second frame body 222a of the first frame from the bottom.
  • the first portion 21a of the first frame and the second frame 31b may be provided with a through hole for arranging the splicing fastener, that is, the splicing fastener may be used to perform the first frame and the second frame. Stitching to improve the overall robustness of the splicing structure.
  • the first frame 221a It can also be fixed to the second frame 31b by means of adhesive bonding, which is not limited in the present invention.
  • a portion of the first portion 21a behind the display panel 11a (or a portion of the second bezel 31b behind the display panel 11b) may be disposed to block light transmission or color to make the circuit board 41 and the wire 51 better. Shading.
  • the first portion 21a of the first frame and the second frame 31b are provided with a groove portion for fitting the display panel on a side facing the display panels 11a and 11b, so that the frame and the display panel can be Convenient and stable coordination. Further, a flexible spacer 61 is disposed between the display panel 11a/11b and the groove portion to prevent the frame from being scratched by the frame, and the combination of the two is more stable.
  • any of the components of the above-mentioned frame may be formed of a transparent material, or may be formed of a black or colored material for shielding the stitching.
  • a further embodiment of the present invention provides a unit display screen including a display panel and a bezel surrounding the display panel, wherein the bezel includes a first bezel as described in the above embodiment, ie, the a bezel includes a first portion and a second portion in a direction away from the display panel, the second portion protruding toward the outside of the display panel with respect to the first portion and including a circuit board and a wire for receiving The cavity is like.
  • the unit display also includes a second bezel as described in the above embodiments.
  • Other specific structures of the unit display screen have been described in the above, and will not be described herein.
  • the unit display screen can be used to form any of the above-mentioned spliced display screens, so that the same technical problem can be solved and the same technical effect can be obtained.
  • Another embodiment of the present invention provides a display device, which includes any of the above-mentioned spliced display screens, and the display device can be: electronic paper, mobile phone, tablet computer, television, notebook computer, digital photo frame, navigator Any product or part that has a display function. Since the display device includes any of the above-described spliced display screens, the same technical problem can be solved and the same technical effects can be obtained.
  • the wire and the circuit board are disposed in the cavity of the first frame on the same side, the cavities respectively disposed horizontally in the side frames in the prior art are merged into one;
  • the length of the second frame is smaller than the length of the first portion of the first frame, and the second portion protrudes outward relative to the first portion, so that the second frame can be matched with the first frame, and the sum of the widths of the two frames after stitching is only equivalent.
  • the width of the second portion of the first frame can greatly reduce the width of the stitching seam after the two frames are spliced, and narrow the stitching seam of the spliced display screen.

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  • 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)
  • Microelectronics & Electronic Packaging (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract

一种单元显示屏、拼接显示屏及显示装置。该单元显示屏（1a）包括显示面板（11a）和围绕所述显示面板（11a）的边框，其中所述边框包括第一边框，所述第一边框在沿背离所述显示面板（11a）的方向上依次包括第一部分（21a）和第二部分（22a），所述第二部分（22a）相对于所述第一部分（21a）向所述显示面板（11a）的外侧凸出并且包括用于容纳电路板（41）和线材（51）的腔体。上述单元显示屏可以解决现有技术中遮蔽电路板及线材会使得拼接缝变宽的问题。

Description

单元显示屏、拼接显示屏及显示装置 技术领域
本发明实施例涉及一种单元显示屏、拼接显示屏及显示装置。
背景技术
拼接显示屏(也称拼接墙)是由多个单元显示屏拼接在一起形成的大面积显示屏，具有超高分辨率和超大画面显示的特点。现有拼接显示屏的一个缺陷是拼接显示屏的单元显示屏间常存在着边框等非显示区，导致相邻的单元显示屏之间存在黑色拼接缝，影响显示效果。特别地，在将透明显示技术应用至拼接显示屏中后，观察者不仅能看到表面的边框，还可以直接透过屏幕看见每一单元显示屏的电路板和线材等结构。
为了产品美观，现有拼接显示屏中常将电路板设计在边框一侧，将线材设计在边框的另一侧，以起到遮蔽电路板和线材的作用。但是，这样的设计为了容纳电路板和线材，需要增加单元显示屏的边框宽度，导致拼接显示屏的拼接缝宽度骤增，使得相邻的单元显示屏之间存在的黑色拼接缝更宽、更加难以消除，极大地影响了显示效果。
发明内容
第一方面，本发明提供了一种单元显示屏，包括显示面板和围绕所述显示面板的边框，其中所述边框包括第一边框，所述第一边框在沿背离所述显示面板的方向上依次包括第一部分和第二部分，所述第二部分相对于所述第一部分向所述显示面板的外侧凸出并且包括用于容纳电路板和线材的腔体。
在一个示例中，所述第二部分包括侧壁以及设置在所述侧壁上的间隔部，所述间隔部将所述腔体分隔为靠近所述显示面板的第一腔体与远离所述显示面板的所述第二腔体；所述第一腔体用于容纳所述电路板，所述第二腔体用于容纳所述线材。
在一个示例中，所述间隔部包括至少一个连通所述第一腔体与所述第二腔体的间隙或孔隙。
在一个示例中，所述电路板固定在垂直于所述显示面板的侧壁上。
在一个示例中，所述电路板通过紧固件或粘着剂固定在所述侧壁上。
在一个示例中，在面向所述显示面板的侧壁上设有通孔，所述电路板包括连接线，该连接线通过该通孔与所述显示面板相连。
在一个示例中，所述第二部分还包括开口朝向所述显示面板、配合在所述侧壁上的底盖部；所述侧壁以及所述底盖部围成所述腔体。
在一个示例中，所述边框还包括第二边框，所述第二边框在沿背离所述显示面板的方向上的长度小于或等于所述第一部分的长度。
在一个示例中，所述第一部分与所述第二边框均设有用于设置拼接紧固件的通孔。
在一个示例中，所述第一边框的所述第一部分与所述第二边框均设有用于嵌合所述显示面板的凹槽部。
在一个示例中，所述显示面板与所述凹槽部之间设有柔性垫片。
在一个示例中，第二边框在沿平行显示面板的方向上的宽度小于或等于第一部分的凸出高度。
第二方面，本发明还提供了一种拼接显示屏，包括至少两个相互拼接的上述任意一种的单元显示屏。
在一个示例中，相邻两个单元显示屏之一包括第一边框，另一侧单元显示屏包括第二边框，所述第一边框和第二边框相互拼接在一起。
第三方面，本发明还提供了一种显示装置，包括上述任意一种拼接显示屏。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例的附图作简单地介绍，显而易见地，下面描述中的附图仅仅涉及本发明的一些实施例，而非对本发明的限制。
图1是本发明实施例的一种拼接显示屏的结构示意图；
图2是本发明实施例的一种拼接显示屏中拼接缝处的剖面结构示意图；
图3是现有拼接显示屏拼接缝处的剖面结构示意图。
图4是本发明另一实施例的一种拼接显示屏中拼接缝处的剖面结构示意 图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
除非另作定义，此处使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本发明专利申请说明书以及权利要求书中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。同样，“一个”或者“一”等类似词语也不表示数量限制，而是表示存在至少一个。
本发明实施例提供一种单元显示屏、拼接显示屏及显示装置，可以解决现有技术中因遮蔽电路板及线材会使得拼接缝变宽的问题。
图1是本发明实施例的一种拼接显示屏的结构示意图。参见图1，该拼接显示屏包括至少两个相互拼接的单元显示屏1(图1中以3×3个单元显示屏为例)。可见，每两块单元显示屏1之间的连接处都会形成一条拼接缝。该拼接显示屏中任一拼接缝处的剖面结构可参见图2。图2中两块相邻的单元显示屏分别为单元显示屏1a与单元显示屏1b，单元显示屏1a包括显示面板11a和围绕显示面板11a的边框、单元显示屏1b包括显示面板11b和围绕显示面板11b的边框。在该拼接缝处，单元显示屏1a具有包括第一部分21a与第二部分22a的第一边框，另一侧单元显示屏1b具有第二边框31b。
第一边框在沿背离显示面板11a的方向(即图2中由上往下的方向)上依次包括第一部分21a和第二部分22a，第二部分22a相对于上述第一部分21a向显示面板11a的外侧(图2中的右侧)横向凸出，并且第二部分22a包括用于容纳电路板41和线材51的腔体。电路板41和线材51既可以仅为单元显示屏1a使用、也可以仅为单元显示屏1b使用，还可以为单元显示屏1a和单元显示屏1b所共用。单元显示屏1b的第二边框31b在沿背离显示面板11b的方向上的长度小于或等于上述第一部分21a的长度，以方便将二者 拼接在一起。进一步地，第二边框31b在沿平行显示面板11b的方向上的宽度小于或等于第一部分21a的凸出高度，以进一步减小拼接缝的宽度，提高视觉效果。
需要说明的是，上述拼接显示屏中的任一单元显示屏的在拼接缝处的边框可以仅包括上述第一边框，同样能实现本发明目的。不在拼接缝处的边框可以具有其他结构和形状。
为了更清楚地说明本发明实施例的技术效果，这里以一种现有拼接显示屏的拼接缝设计进行比照。图3为现有拼接显示屏在拼接缝处的剖面结构示意图。相邻的两个单元显示屏均包括显示面板101，左侧的显示面板101被第一框体103与第二框体104的顶部夹合固定，右侧的显示面板101被第三框体102与第四框体105的顶部夹合固定；同时，第一框体103与第二框体104的侧壁围成用于容纳电路板106的空间，第三框体102与第四框体105的侧壁围成用于容纳线材107的空间。在此设计下，拼接缝宽度为相邻两个单元显示屏的边框的宽度之和，且每一边框的宽度需要满足固定显示面板和容纳电路板或线材的基本要求。
与现有拼接显示屏相比，上述本发明实施例中的拼接缝宽度虽然仍为两个边框(第一边框与第二边框)的宽度之和，但是图2中第一边框第二部分22a在平行显示面板11a方向上的宽度已经与图3中一个边框的宽度相当。然而在图2中可以看出，在满足固定显示面板11b的基本要求的情况下，由于第二边框31b不需要容纳电路板41或线材51而可以具有较小的边框宽度。而且，第二部分22a相对于第一部分21a的凸出高度可以使第二边框31b与第一部分21a更容易相互配合，使得拼接缝宽度仅相当于第二部分22a的横向宽度，明显小于图3中的拼接缝宽度。
本发明实施例中，可以利用第一边框对电路板和线材进行很好的遮蔽，同时不对原有的显示面板设计造成很大的影响(仅是在位置和连接方式上有少许改变)，且同样可以满足拼接显示屏对拼接结构的坚固性要求。因此，本发明实施例所提供的单元显示屏以及包括第一边框和第二边框的拼接显示屏可以解决现有技术中遮蔽电路板及线材会使得拼接缝变宽的问题。
需要说明的是，图2所示的第一边框与第二边框仅为示意性的，在本发明其他实施例中，第一边框与第二边框可以一体成型。另外，第一边框也可 以由数个部件所构成，并且可以在其内部设置除电路板和线材以外的其他结构，本发明均不做限制。
图4本发明另一实施例中一种拼接显示屏中拼接缝处的剖面结构示意图。参见图4，本实施例与图2所示实施例的不同之处在于第一边框和第二边框的构造。第一边框包括：第一框体221a、第二框体222a、间隔部223a和底盖部224a。结合图2和图4可知，第一框体221a和第二框体222a在图4虚线以上的部分形成了第一边框的第一部分21a，在图4虚线以下的部分形成了第二部分22a的侧壁。
间隔部223a设置在与显示面板相垂直的侧壁上(图4中设置在第二框体222a上，仅为一种示例)，间隔部223a将第二部分22a的腔体分隔为靠近显示面板11a的第一腔体C1与远离显示面板11a的第二腔体C2，使得第一腔体C1用于容纳电路板41，第二腔体C2用于容纳线材51，即将容纳电路板的腔体与容纳线材的腔体分隔开，一方面方便线材51的排布，另一方面避免了电路板41与线材51之间的相互干扰。在一个示例中，间隔部223a还包括至少一个连通第一腔体C1与第二腔体C2的间隙或孔隙(如图4所示的间隙)，使线材51穿过间隙或孔隙实现线材51与电路板41的(电)连接。
例如，在上述第一腔体C1中，电路板41通过紧固件或粘着剂贴合在第一腔体C1垂直于显示面板11a的侧壁上，一方面使电路板41可以稳固地固定在第二框体222a上，另一方面垂直的设计可以使第一腔体C1和电路板从拼接显示屏正面看上去呈一条线，方便第一边框对其进行遮挡。为了实现电路板41与显示面板11a的电连接，在面向显示面板11a的侧壁上可以设有通孔H，电路板41的连接线通过该通孔与显示面板11a相连。
底盖部224a具有朝向显示面板11a的开口，并配合在侧壁上(比如图4中以卡合的方式配合了底盖部224a、第一框体221a和第二框体222a)。所以，整个腔体是由侧壁(第一框体221a和第二框体222a)以及底盖部224a所围成的。将底盖部做成可拆卸的部件，方便线材51的设置；同时，底盖部224a可以从底部紧固第一边框的第一框体221a和第二框体222a。
在一个示例中，上述第一边框的第一部分21a以及上述第二边框31b上可以设有用于设置拼接紧固件的通孔，即可以通过拼接紧固件来进行第一边框与第二边框的拼接，以提高拼接结构整体的坚固性。当然，第一框体221a 也可以采用如粘结剂粘合的方式与第二边框31b固定，本发明对此不做限制。另外，第一部分21a在显示面板11a背后的部分(或者第二边框31b在显示面板11b背后的部分)可以设置成阻挡光线透过的或者呈彩色的，以使电路板41与线材51得到较好的遮蔽。
如图4所示，第一边框的第一部分21a与上述第二边框31b在面向显示面板11a与11b的一侧均设有用于嵌合上述显示面板的凹槽部，以使边框与显示面板可以方便而稳定地进行配合。进一步地，显示面板11a/11b与凹槽部之间设有柔性垫片61，以避免边框划伤显示面板，并有利于两者结合得更加稳固。
为了实现透明显示，上述边框的任一组成部件都可以由透明材料形成，也可以为了遮蔽拼接缝采用黑色或彩色的材料形成。
本发明再一实施例提供了一种单元显示屏，该单元显示屏包括显示面板和围绕所述显示面板的边框，其中所述边框包括如以上实施例所述的第一边框，即所述第一边框在沿背离所述显示面板的方向上依次包括第一部分和第二部分，所述第二部分相对于所述第一部分向所述显示面板的外侧凸出并且包括用于容纳电路板和线材的腔体如。在一个示例中，该单元显示屏还包括如以上实施例所述的第二边框。该单元显示屏的其他具体结构已在上文中一一说明，在此不再赘述。该单元显示屏可以用于组成上述任意一种拼接显示屏，因而可以解决相同的技术问题，取得同样的技术效果。
本发明又一实施例提供了一种显示装置，该显示装置包括上述任意一种拼接显示屏，该显示装置可以为：电子纸、手机、平板电脑、电视机、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。该显示装置由于包括上述任意一种拼接显示屏，因而可以解决相同的技术问题，取得同样的技术效果。
在本发明所有实施例中，由于线材与电路板设置在同一侧的第一边框的腔体中，将现有技术中分别位于两侧边框中水平设置的腔体合并成了一个；同时，由于第二边框的长度小于第一边框第一部分的长度，而第二部分相对于第一部分向外侧凸出，因此第二边框可以与第一边框进行配合，两个边框拼接后的宽度之和仅相当于第一边框第二部分的宽度，因而可以使两种边框拼接后的拼接缝宽度大大降低，窄化拼接显示屏的拼接缝。
以上所述仅是本发明的示范性实施方式，而非用于限制本发明的保护范围，本发明的保护范围由所附的权利要求确定。
本申请基于并且要求于2014年12月10日递交的中国专利申请第201410758370.1号的优先权，在此全文引用上述中国专利申请公开的内容。

Claims (15)

  1. 一种单元显示屏，包括显示面板和围绕所述显示面板的边框，其中所述边框包括第一边框，所述第一边框在沿背离所述显示面板的方向上依次包括第一部分和第二部分，所述第二部分相对于所述第一部分向所述显示面板的外侧凸出并且包括用于容纳电路板和线材的腔体。
  2. 根据权利要求1所述的单元显示屏，其中所述第二部分包括侧壁以及设置在所述侧壁上的间隔部，所述间隔部将所述腔体分隔为靠近所述显示面板的第一腔体与远离所述显示面板的所述第二腔体；所述第一腔体用于容纳所述电路板，所述第二腔体用于容纳所述线材。
  3. 根据权利要求2所述的单元显示屏，其中所述间隔部包括至少一个连通所述第一腔体与所述第二腔体的间隙或孔隙。
  4. 根据权利要求2或3所述的单元显示屏，其中所述电路板固定在垂直于所述显示面板的侧壁上。
  5. 根据权利要求4所述的单元显示屏，其中所述电路板通过紧固件或粘着剂固定在所述侧壁上。
  6. 根据权利要求4所述的单元显示屏，其中在面向所述显示面板的侧壁上设有通孔，所述电路板包括连接线，该连接线通过该通孔与所述显示面板相连。
  7. 根据权利要求2至6任意一项所述的单元显示屏，其中所述第二部分还包括开口朝向所述显示面板、配合在所述侧壁上的底盖部；所述侧壁以及所述底盖部围成所述腔体。
  8. 根据权利要求1至6任意一项所述的单元显示屏，其中所述边框还包括第二边框，所述第二边框在沿背离所述显示面板的方向上的长度小于或等于所述第一部分的长度。
  9. 根据权利要求8所述的单元显示屏，其中所述第一部分与所述第二边框均设有用于设置拼接紧固件的通孔。
  10. 根据权利要求8或9所述的单元显示屏，其中所述第一边框的所述第一部分与所述第二边框均设有用于嵌合所述显示面板的凹槽部。
  11. 根据权利要求10所述的单元显示屏，其中所述显示面板与所述凹槽 部之间设有柔性垫片。
  12. 根据权利要求8所述的单元显示屏，其中第二边框在沿平行显示面板的方向上的宽度小于或等于第一部分的凸出高度。
  13. 一种拼接显示屏，包括至少两个相互拼接的如权利要求1至12任意一项所述的单元显示屏。
  14. 根据权利要求13所述的拼接显示屏，其中相邻两个单元显示屏之一包括第一边框，另一侧单元显示屏包括第二边框，所述第一边框和第二边框相互拼接在一起。
  15. 一种显示装置，包括如权利要求13所述的拼接显示屏。
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