WO2018001027A1 - 固定构件、安装电路板的设备以及显示装置 - Google Patents

固定构件、安装电路板的设备以及显示装置 Download PDF

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Publication number
WO2018001027A1
WO2018001027A1 PCT/CN2017/086541 CN2017086541W WO2018001027A1 WO 2018001027 A1 WO2018001027 A1 WO 2018001027A1 CN 2017086541 W CN2017086541 W CN 2017086541W WO 2018001027 A1 WO2018001027 A1 WO 2018001027A1
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WO
WIPO (PCT)
Prior art keywords
plate
fixing member
support plate
circuit board
support
Prior art date
Application number
PCT/CN2017/086541
Other languages
English (en)
French (fr)
Inventor
徐健
李盼
先建波
Original Assignee
京东方科技集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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 US15/569,807 priority Critical patent/US10383243B2/en
Publication of WO2018001027A1 publication Critical patent/WO2018001027A1/zh

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Classifications

    • 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
    • H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
    • H05K7/1402—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
    • H05K7/1405—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards by clips or resilient members, e.g. hooks
    • 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
    • G02F1/1345—Conductors connecting electrodes to cell terminals
    • G02F1/13452—Conductors connecting driver circuitry and terminals of panels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7076—Coupling devices for connection between PCB and component, e.g. display
    • 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

Definitions

  • the present disclosure relates to the field of display technology, and more particularly to a fixing member, an apparatus for mounting a circuit board, and a display device.
  • a display device generally includes a display panel, a backlight module disposed on one side of the display panel, and a printed circuit board (hereinafter referred to as a PCB) for driving the control display panel, wherein the PCB passes through the flexible circuit board ( Flexible Printed Circuit Board (hereinafter referred to as FPC, or COF, etc.) is connected to the display panel.
  • PCB printed circuit board
  • FPC Flexible Printed Circuit Board
  • the PCB is generally fixed on the back panel of the backlight module.
  • Commonly used fixing methods include: a screw lock, specifically, a PCB is fixed on the back plate by a screw lock; the rubber strip is pasted; specifically, the PCB is pasted on the back plate by a rubber strip.
  • the use of the screw lock method requires the locking screw to be assembled, which is inconvenient to assemble; and the adhesive strip is easy to be used in the environment of high temperature or humidity, resulting in the PCB being separated from the backboard and being firm. Poor.
  • An object of the present disclosure is to provide a fixing member and a device and a display device for mounting the circuit board for conveniently and firmly fixing the PCB on the back plate of the backlight module.
  • a fixing member including: a support plate fixed to a first holding member of a surface of the support plate, opposite to the first holding member a second clamping member; wherein the first clamping member and the supporting plate form a first U-shaped clamping groove, and the second clamping member and the supporting plate form a second U-shaped clamping groove, And the opening of the first U-shaped clamping groove is opposite to the opening of the second U-shaped clamping groove.
  • the electricity is The two sides of the road board can be respectively engaged in the first U-shaped clamping groove and the second U-shaped clamping groove, thereby realizing the fixing of the circuit board.
  • this method is more convenient to assemble and the installation convenience is improved.
  • the circuit board is fixed in a manner similar to the manner in which the strip is pasted, and the circuit board is fixed by a snapping method, and the environment is less affected by high temperature or humidity, so that the circuit board can be firmly fixed on the back panel of the backlight module. .
  • an apparatus for mounting a circuit board comprising a backing plate, and a fixing member according to the first aspect of the present disclosure mounted on the backing plate.
  • a display device comprising a circuit board and an apparatus for mounting the circuit board according to the second aspect of the present disclosure for fixing the circuit board.
  • FIG. 1 is a schematic structural view of a fixing member in a first embodiment of the present disclosure
  • FIG. 2 is a first schematic structural view of an apparatus for mounting a circuit board in a second embodiment of the present disclosure
  • FIG. 3 is a second schematic structural view of an apparatus for mounting a circuit board in a second embodiment of the present disclosure
  • FIG. 4 is a schematic rear view showing the back plate of the device for mounting a circuit board in the second embodiment of the present disclosure
  • FIG. 5 is a schematic front structural view of a display device in a third embodiment of the present disclosure.
  • Fig. 6 is a schematic view showing the structure of the back surface of the display device in the third embodiment of the present disclosure.
  • the “support plate surface” mentioned in the following embodiments refers to the side of the support plate away from the back plate when the fixing member is mounted on the back plate;
  • the “support plate lower surface” refers to When the fixing member is mounted on the backboard, the support plate is close to one side of the backboard, and the “supporting plate lower surface” is opposite to the “supporting plate surface”;
  • the “third horizontal plate surface” means the third horizontal plate is close to One side of the support plate is opposite to the lower surface of the support plate.
  • the “horizontal” in the “first horizontal plate”, the “second horizontal plate”, and the “third horizontal plate” mentioned in the following embodiments refers to the back plate when the fixing member is mounted on the back plate.
  • the main surface is parallel to the direction or plane; in contrast, the “vertical” in the “first vertical plate”, “second vertical plate”, “third vertical plate” mentioned in the following embodiments refers to the direction or plane perpendicular to the major surface of the backing plate when the fixing member is mounted on the backing plate.
  • the present embodiment provides a fixing member 3 including a support plate 3012 , a first clamping member 303 fixedly disposed on an upper surface of the support plate 3012 , and a first clamping member 303 .
  • both sides of the circuit board can be respectively engaged in the first U-shaped clamping groove and the second U-shaped clamping groove, thereby realizing the fixing of the circuit board. Since the mounting of the circuit board can be realized by directly engaging both sides of the circuit board in the fixing member 3, the mounting convenience is improved compared to the way of the screw locking.
  • the circuit board is fixed in a manner similar to the manner in which the strip is pasted, and the circuit board is fixed by a snapping method, and the environment is less affected by high temperature or humidity, so that the circuit board can be firmly fixed on the back of the backlight module. On the board.
  • the first clamping member 303 includes a first horizontal plate 3031 and a first vertical plate 3032 , and the first vertical plate 3032 is fixed on the upper surface of the supporting plate 3012 ;
  • the holder 302 includes a second horizontal plate 3021 and a second vertical plate 3022, and the second vertical plate 3022 is fixed to the support plate 3012.
  • first horizontal plate 3031 and the first vertical plate 3032 may constitute a first L-shaped plate
  • second horizontal plate 3021 and the second vertical plate 3022 may constitute a second L-shaped plate
  • first vertical plate The height of the 3032 above the upper surface of the support plate 3012 may be equal to the height of the second vertical plate 3022 above the upper surface of the support plate 3012.
  • the first horizontal plate 3031 and the first vertical plate 3032 constituting the first holding member 303 are both rectangular plates.
  • the bottom end of the first vertical plate 3032 is fixed to the first end of the support plate 3012, and the top end of the first vertical plate 3032 is fixedly coupled to the right end of the first horizontal plate 3031;
  • the second horizontal plate 3021 and the second vertical plate 3022 constituting the second clamping member 302 may each be a rectangular plate, and the top end of the second vertical plate 3022 is fixedly coupled to the left end of the second horizontal plate 3021.
  • the left end of the first horizontal plate 3031 is opposite to the right end of the second horizontal plate 3021.
  • the height of the first vertical plate 3031 and the second vertical plate 3021 may be equal in a direction perpendicular to the upper surface of the support plate 3012 with the upper surface of the support plate 3012 as a reference surface.
  • the circuit board can be engaged in the first U-shaped groove formed by the first clamping member 303 and the support plate 3012 to prevent the circuit board from being perpendicular to
  • the support plate 3012 is disengaged in the direction of the upper surface; likewise, due to the presence of the second horizontal plate 3021 in the second clamping member 302, the circuit board can be engaged with the second clamping member 302 and the second supporting member 3012.
  • the U-shaped groove prevents the circuit board from coming out in a direction perpendicular to the upper surface of the support plate 3012.
  • the heights of the first vertical plate 3031 and the second vertical plate 3021 are equal, the shaking of the circuit board engaged in the first U-shaped groove and the second U-shaped groove can be avoided, and the circuit board is fixed at The firmness on the fixing member 3.
  • the fixing member 3 may further include a support leg 305 fixedly disposed on a lower surface of the support plate 3012 to facilitate mounting the fixing member 3 on a carrier such as a back plate or the like.
  • the back plate is provided with a hole matching the supporting leg 305.
  • the supporting leg is installed in the corresponding hole to realize the mounting of the fixing member 3 on the back plate.
  • the number of the support legs 305 may be plural and fixedly disposed at both ends of the support plate 3012.
  • Each support leg 305 may be configured to include a third vertical plate 3052 fixedly coupled to one end of the support plate 3012 and a third horizontal plate 3051 fixedly coupled to an end of the third vertical plate 3052 away from the support plate 3012.
  • the three vertical plates 3052 and the third horizontal plate 3051 may form an L-shaped structure. Due to the presence of the third horizontal plate 3051, the support legs 305 can be prevented from coming out of the corresponding holes in the backing plate.
  • the number of the support legs 305 may be two, which are respectively fixedly disposed at two ends of the support plate 3012, and the support plate 3012 and the two support legs 305 are configured in a shape of a Chinese character "several".
  • the at least one support leg 305 may be disposed.
  • the boss 3043 is located on the upper surface of the third horizontal plate 3051 of the support leg 305 away from the end of the third vertical plate 3052. After the supporting legs 305 are installed in the corresponding holes of the backboard, the bosses 3043 can abut against the inner side of the backing plate around the holes (ie, the side of the backing plate close to the display panel), thereby increasing the distance between the supporting legs 305 and the backing plate. The frictional force effectively prevents the support legs 305 from coming out of the corresponding holes in the backing plate.
  • the “upper surface” of the third horizontal plate 3051 refers to the side of the third horizontal plate 3051 that is adjacent to the support plate 3012.
  • the support plate 3012 and the support leg 305 mentioned in this embodiment may be integrally formed, such that the design processing method is simple, and since the support plate 3012 and the support leg 305 do not need to be connected parts, it is convenient. Assembly of the fixing member 3.
  • a positioning bolt 306 may be disposed on the lower surface of the supporting plate 3012, and the fixing member 3 may be quickly positioned by the positioning bolt 306. Moreover, a positioning hole matching the positioning pin 306 can be disposed on the back plate, so that the fixing member 3 can be further fixed by the positioning pin 306 to increase the stability of the fixing member 3.
  • the support plate 3012 and the first clamping member 303 may be integrally formed.
  • the design of this design is simple, and since the support plate 3012 and the first clamp 303 do not require a connecting part, the assembly of the fixing member 3 is facilitated.
  • the support plate 3012 can also have a guiding groove 3011 , and the second clamping member 302 can be installed in the guiding groove 3011 , so that the distance between the second clamping member 302 and the first clamping member 303 can be Tune.
  • the structure of the support plate 3012 is optionally a long strip.
  • the end of the support plate 3012 fixedly connected with the first clamping member 303 is referred to as a first end of the support plate, and the other end opposite to the first end of the support plate is called
  • the guide groove 3011 is defined as The second end of the support plate 3012 extends toward the first end of the support plate 3012.
  • the second clamping member 302 When it is required to fix the circuit boards of different widths, according to the width of the circuit board to be fixed, the second clamping member 302 is moved toward or away from the first clamping member 303 along the guiding groove 3011 to adjust the second clamping member.
  • the spacing between 302 and the first clamping member 303 allows the securing member to be used to secure circuit boards of different widths.
  • the second clamping member 302 may further include a connecting portion 3023, and the connecting portion 3023 is disposed on the second vertical plate. 3022 is away from one end of the second horizontal plate 3021, and the connecting portion 3023 is inserted into the guiding groove 3011, thereby realizing the mounting of the second clamping member 302 on the supporting plate 3012.
  • a release preventing piece 3024 may be disposed at one end of the connecting portion 3023 away from the second vertical plate 3022.
  • the anti-detent piece 3024 may be an umbrella-shaped return hook facing the lower surface of the support plate 3012, and one end of the connecting portion 3023 away from the second vertical plate 3022 passes through the guiding groove 3011.
  • the supporting leg 305 provided with the boss may be the supporting leg 305 close to the guiding groove 3011 (the supporting leg 305 is located at the second end of the supporting plate).
  • the boss 3043 to generate a certain frictional force with the back plate when the second clamping member 302 is pushed, thereby avoiding the support leg 305 near the guiding groove 3011 from the back plate under the action of the thrust.
  • the corresponding holes are taken out.
  • the support plate 3012, the first clamping member 303, the second clamping member 302, and the supporting leg 305 mentioned above are all elastic structures, and the second clamping member 302 is in an interference fit with the guiding groove 3011. Since the fixing member 3 composed of the support plate 3012, the two support legs 305, the first holding member 303, and the second holding member 302 is an elastic structure, the fixing member 3 has a large stretchability, thereby facilitating the fixing member 3 Installed on the backplane. For example, in the process of fixing the fixing member 3 to the backboard, since the supporting legs 305 are elastic structures, the supporting legs 305 can be respectively inserted into the corresponding holes in the backing plate in the tightened state, thereby utilizing the supporting legs.
  • the expansion force of the 305 in the hole fixes the two support legs 305 to the back plate, respectively, and the mounting of the fixing member 3 is achieved.
  • the second clamping member 302 is interference-fitted with the guiding groove 3011, the second clamping member 302 is caused.
  • the engagement is at a desired position in the guide groove 3011.
  • the connecting portion 3023 and the supporting plate 3012 of the second clamping member 302 are both elastic structures, the connecting portion 3023 can be engaged with the guiding groove 3011 by the expansion force of the connecting portion 3023 in the guiding groove 3011 of the supporting plate 3012.
  • the position required in the middle ensures the stability of the board mounted on the fixing member 3.
  • the fixing member 3 mentioned above may be an elastic structure composed of the support plate 3012, the first holding member 303, the second holding member 302, and the supporting leg 305, and the fixing member 3 of the elastic structure may be made of resin, plastic or rubber. And other materials.
  • the present embodiment provides an apparatus for mounting a circuit board including a backing plate 1 and a fixing member 3 mentioned in the above-described first embodiment, to which the fixing member 3 is mounted.
  • the circuit board 2 When the circuit board 2 is fixed by the fixing member 3 in the device, the circuit board 2 is placed on the upper surface of the support plate 3012, and is between the first U-shaped clamping groove and the second U-shaped clamping groove, thereby the circuit board The two sides of the two are respectively engaged in the first U-shaped clamping groove and the second U-shaped clamping groove to realize the fixing of the circuit board 2.
  • the device for mounting the circuit board of the embodiment adopts the clamping manner to realize the fixing of the circuit board 2, which has the advantages of strong installation convenience and good firmness.
  • the fixing member 3 in order to facilitate fixing of the fixing member 3 to the backing plate 1, the fixing member 3 includes a supporting leg 305 and a supporting plate 3012, and the supporting leg 305 is fixedly disposed on the lower surface of the supporting plate 3012.
  • the back plate 1 can be provided with a mounting hole 104, and the supporting leg 305 can be snap-fitted in the mounting hole 104.
  • the fixing member 3 may include two supporting legs 305.
  • the two supporting legs 305 are respectively fixedly disposed at two ends of the supporting plate 3012, and the supporting plate 3012 and the two supporting legs 305 are formed in a shape of a Chinese character “several”.
  • the mounting holes 104 are respectively disposed on the back plate 1, and the two supporting legs 305 are snap-fitted in the corresponding mounting holes 104.
  • a positioning hole 103 corresponding to the positioning pin 306 can be disposed on the back plate 1, and the positioning pin 306 can be inserted into the positioning plate 306. In the positioning hole 103, the stability of the fixing member 3 on the backboard 1 is improved.
  • the support plate 3012 of the fixing member 3 may have a guiding groove 3011, in which the second clamping member 302 may be mounted, so that the distance between the second clamping member 302 and the first clamping member 303 is adjustable.
  • a back hole 102 may be disposed in a region of the back plate 1 opposite to the guide groove 3011, and an end of the second clamping member 302 passes through the back hole 102, In order to facilitate the sliding of the second clamping member 302.
  • the structural design is such that when the circuit board of different widths needs to be fixed, the second clamping member 302 can be moved toward or away from the first clamping member 303 along the guiding slot 3011 according to the width of the circuit board to be fixed.
  • the adjustment of the spacing between the second clamping member 302 and the first clamping member 303 enables the apparatus for mounting a circuit board in this embodiment to be used to secure circuit boards of different widths.
  • the back hole 102 can be connected to the mounting hole 104 close to itself, so that the manufacturing back hole 102 can be integrally formed with the mounting hole 104 close to itself.
  • the back hole 102 communicates with the mounting hole 104 near itself to form a T-shaped hole, so that a T-shaped hole can be formed directly on the back plate 1, and the T-shaped hole can simultaneously satisfy the back hole. 102 and the need for mounting holes 104.
  • the present embodiment provides a display device including: a circuit board 2 and the device for mounting a circuit board mentioned in the above second embodiment, the circuit board 2 is mounted on Within the device.
  • the backplane 1 in the device refers to the backplane 1 of the backlight module.
  • the display device in the embodiment fixes the circuit board 2 by the snapping manner, the display device can conveniently and firmly fix the circuit board on the back plate of the backlight module. Further, the display device of the present embodiment is also capable of fixing the circuit boards 2 of different widths.
  • the display device described in this embodiment may be any product or component having a display function such as a liquid crystal panel, an electronic paper, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, a navigator, and the like.
  • a display function such as a liquid crystal panel, an electronic paper, a mobile phone, a tablet computer, a television, a notebook computer, a digital photo frame, a navigator, and the like.

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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)
  • Mounting Of Printed Circuit Boards And The Like (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种固定构件（3）、安装电路板的设备以及显示装置，用于方便、牢固地将PCB（2）固定在背光模组的背板（1）上。所述固定构件（3）包括：支撑板（3012），固定设置在支撑板（3012）上表面的第一夹持件（303），与第一夹持件（303）相对的第二夹持件（302），第一夹持件（303）与支撑板（3012）构成第一U形夹持槽，第二夹持件（302）与支撑板（3012）构成第二U形夹持槽，且第一U形夹持槽的开口与第二U形夹持槽的开口相对。所述固定构件（3）用于将电路板（2）固定在背板（1）上。

Description

固定构件、安装电路板的设备以及显示装置
相关申请
本PCT申请要求申请日为2016年6月28日、申请号为NO.201620666554.X的中国专利申请的优先权，该优先权申请的整体内容通过引用的方式被合并于此。
技术领域
本公开涉及显示技术的领域，尤其涉及一种固定构件、安装电路板的设备、以及显示装置。
背景技术
目前，显示装置通常包括显示面板、设置在显示面板一侧的背光模组，以及用于驱动控制显示面板的印刷电路板(Printed Circuit Board，以下简称为PCB)，其中，PCB通过柔性电路板(Flexible Printed Circuit Board，以下简称为FPC，或COF等)与显示面板连接。
在上述显示装置中，一般将PCB固定在背光模组的背板上。常用的固定方式包括：螺丝锁扣，具体地，通过螺丝锁扣将PCB固定在背板上；胶条粘贴，具体地，通过胶条将PCB粘贴在背板上。
但是，采用螺丝锁扣的方式，需要进行锁紧螺丝，组装起来不方便；而采用胶条粘贴的方式，胶条在高温或湿度较大等环境下容易失效，导致PCB脱离背板，牢固性较差。
发明内容
本公开的目的在于提供一种固定构件及安装电路板的设备、显示装置，用于方便、牢固地将PCB固定在背光模组的背板上。
根据本公开的第一方面，提供了一种固定构件，所述固定构件包括：支撑板，固定设置在所述支撑板上表面的第一夹持件，与所述第一夹持件相对的第二夹持件；其中，所述第一夹持件与所述支撑板构成第一U形夹持槽，所述第二夹持件与所述支撑板构成第二U形夹持槽，且所述第一U形夹持槽的开口与所述第二U形夹持槽的开口相对。
当采用本公开的第一方面所提供的固定构件来固定电路板时，电 路板的两侧能够分别卡合在第一U形夹持槽和第二U形夹持槽中，从而实现电路板的固定。相比螺丝锁扣的方式，这种方式组装更方便，安装便利性得到了提高。此外，相比胶条粘贴的方式固定电路板，采用卡合的方式固定电路板，受高温或湿度较大等环境影响较小，因此能够牢固地将电路板固定在背光模组的背板上。
根据本公开的第二方面，提供了一种安装电路板的设备，包括背板，以及安装在所述背板上的、如本公开的第一方面所述的固定构件。
根据本公开的第三方面，提供了一种显示装置，包括电路板以及用于固定所述电路板的根据本公开的第二方面所述的安装电路板的设备。
附图说明
为了更清楚地说明本公开的实施例，下面将对实施例描述中所需要使用的附图作简单地介绍。下面描述中的附图仅仅是本公开的一些实施例。
图1为本公开的第一实施例中的固定构件的结构示意图；
图2为本公开的第二实施例中的安装电路板的设备的第一结构示意图；
图3为本公开的第二实施例中的安装电路板的设备的第二结构示意图；
图4为本公开的第二实施例中的安装电路板的设备中的背板的背面结构示意图；
图5为本公开的第三实施例中的显示装置的正面结构示意图；
图6为本公开的第三实施例中的显示装置的背面结构示意图。
附图标记：
1-背板；                     2-电路板；
3-固定构件；                 4-显示面板；
5-FPC；                      102-背孔；
103-定位孔；                 104-安装孔；
302-第二夹持件；             303-第一夹持件；
305-支撑脚；                 306-定位栓；
3011-导向槽；                3012-支撑板；
3021-第二水平板；             3022-第二竖直板；
3023-连接部；                 3024-防脱弹片；
3031-第一水平板；             3032-第一竖直板；
3043-凸台；                   3051-第三水平板；
3052-第三竖直板。
具体实施方式
下面将结合附图，对本公开的实施例中的技术方案进行清楚、完整的描述。显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。
需要说明的是，以下实施例中所提到的“支撑板上表面”是指在将固定构件安装到背板上时，支撑板远离背板的一面；“支撑板下表面”是指在将固定构件安装到背板上时，支撑板靠近背板的一面，且“支撑板下表面”与“支撑板上表面”是相对的；“第三水平板上表面”是指第三水平板靠近支撑板的一面，且与支撑板下表面相对。
另外，以下实施例中所提及的“第一水平板”、“第二水平板”、“第三水平板”中的“水平”指在固定构件被安装于背板上时，与背板的主表面相平行的方向或平面；相对地，以下实施例中所提及的“第一竖直板”、“第二竖直板”、“第三竖直板”中的“竖直”指在固定构件安装于背板上时，与背板的主表面相垂直的方向或平面。
第一实施例
如图1所示，本实施例提供了一种固定构件3，该固定构件3包括：支撑板3012，固定设置在支撑板3012上表面的第一夹持件303，与第一夹持件303相对的第二夹持件302；其中，第一夹持件303与支撑板3012构成第一U形夹持槽，第二夹持件302与支撑板3012构成第二U形夹持槽，且第一U形夹持槽的开口与第二U形夹持槽的开口相对。
当采用上述固定构件3来固定电路板时，电路板的两侧能够分别卡合在第一U形夹持槽和第二U形夹持槽中，从而实现电路板的固定。由于直接将电路板的两侧卡合在固定构件3内即可实现电路板的安装，因此相比螺丝锁扣的方式，安装便利性得到了提高。此外，相比胶条粘贴的方式固定电路板，采用卡合的方式固定电路板，受高温或湿度较大等环境影响较小，因此能够牢固地将电路板固定在背光模组的背 板上。
能够实现固定电路板的第一夹持件303和第二夹持件302的结构可以采用多种的形式。如图1所示，在一种实施方式中，第一夹持件303包括第一水平板3031和第一竖直板3032，第一竖直板3032固定在支撑板3012上表面；第二夹持件302包括第二水平板3021和第二竖直板3022，第二竖直板3022固定在支撑板3012上。可选地，第一水平板3031和第一竖直板3032可构成第一L形板，第二水平板3021和第二竖直板3022可构成的第二L形板，第一竖直板3032在支撑板3012上表面之上的高度与第二竖直板3022在支撑板3012上表面之上的高度可相等。
具体地，如图1所示，构成第一夹持件303的第一水平板3031和第一竖直板3032均为长方形板。在图1所示的方位中，第一竖直板3032的底端固定在支撑板3012的第一端，第一竖直板3032的顶端与第一水平板3031的右端固定连接；同样地，构成第二夹持件302的第二水平板3021和第二竖直板3022均可以是长方形板，第二竖直板3022的顶端与第二水平板3021的左端固定连接。第一水平板3031的左端与与第二水平板3021的右端相对。在沿着垂直于支撑板3012上表面的方向上，以支撑板3012上表面为基准面时，第一竖直板3031和第二竖直板3021的高度可相等。
由于第一夹持件303中第一水平板3031的存在，电路板可以被卡合在第一夹持件303和支撑板3012构成的第一U形槽中，以防止电路板沿着垂直于支撑板3012上表面的方向上脱出；同样地，由于第二夹持件302中第二水平板3021的存在，电路板可以被卡合在第二夹持件302和支撑板3012构成的第二U形槽中，以防止电路板沿着垂直于支撑板3012上表面的方向上脱出。并且，若第一竖直板3031和第二竖直板3021的高度相等，则能够避免卡合在第一U形槽和第二U形槽内的电路板的晃动，增加了电路板固定在固定构件3上的牢固性。
再次参见图1，固定构件3还可包括支撑脚305，支撑脚固定设置在支撑板3012的下表面，以便于将固定构件3安装在如背板等的载体上。具体地，背板设置有与支撑脚305相匹配的孔洞，安装时，支撑脚安装在相应的孔洞中，以实现固定构件3在背板上的安装。可选地，支撑脚305的数量可为多个，并且分别固定设置在支撑板3012两端。 每个支撑脚305的结构可为：包括与支撑板3012的一端固定连接的第三竖直板3052和与第三竖直板3052远离支撑板3012的一端固定连接的第三水平板3051，第三竖直板3052和第三水平板3051可形成L形结构。由于第三水平板3051的存在，可防止支撑脚305从背板中的相应孔洞中脱出。可选地，支撑脚305的数量可为两个，其分别固定设置在支撑板3012两端，支撑板3012和两个支撑脚305构成呈中文字“几”的形状的结构。
参见图1，在上述支撑脚305包括第三竖直板3052和第三水平板3051的方案的基础上，为了增加固定构件3在背板上的稳固性，可在至少一个支撑脚305上设置凸台3043，该凸台3043位于支撑脚305的第三水平板3051远离第三竖直板3052的一端的上表面。当支撑脚305安装在背板的相应孔洞中后，凸台3043能够抵靠到位于孔洞周围的背板内侧面(即背板靠近显示面板的一面)，从而增加支撑脚305与背板之间的摩擦力，有效地避免了支撑脚305从背板的相应孔洞中脱出。需要说明的是，上述第三水平板3051的“上表面”指的是，第三水平板3051中靠近支撑板3012的一面。
如图1所示，本实施例中所提及的支撑板3012和支撑脚305可以是一体成型的，这样的设计加工方式简单，并且由于支撑板3012和支撑脚305不需要连接零件，方便了固定构件3的组装。
参见图1，将固定构件3固定在背板上时，为了便于固定构件3的定位，可以在支撑板3012的下表面设置一定位栓306，通过定位栓306可快速为固定构件3定位。并且，可在背板上设置与定位栓306相匹配的定位孔，这样则可进一步利用定位栓306固定该固定构件3，增大固定构件3的稳固性。
可选地，支撑板3012和第一夹持件303可以一体成型。此设计的加工方式简单，并且由于支撑板3012和第一夹持件303不需要连接零件，方便了固定构件3的组装。
如图1所示，支撑板3012还可具有导向槽3011，第二夹持件302可安装在该导向槽3011中，从而使得第二夹持件302与第一夹持件303间的距离可调。支撑板3012的结构可选地为长条板，该支撑板3012与第一夹持件303固定连接的一端被称为支撑板的第一端，与支撑板第一端相对的另一端被称为支撑板的第二端，导向槽3011被定义为从 支撑板3012第二端向支撑板3012第一端延伸。在需要固定不同宽度的电路板时，根据待固定的电路板的宽度，第二夹持件302被沿导向槽3011与第一夹持件303相向或相背地移动，以调整第二夹持件302与第一夹持件303之间的间距，从而使得该固定构件能够用于固定不同宽度的电路板。
在上述第一夹持件303与第二夹持件302之间的间距可调的方案的基础上，第二夹持件302还可包括连接部3023，连接部3023设置于第二竖直板3022远离第二水平板3021的一端，连接部3023插入导向槽3011内，从而实现第二夹持件302在支撑板3012上的安装。
再次参见图1，为防止第二夹持件302的连接部3023在移动过程中从导向槽3011中脱出，在连接部3023远离第二竖直板3022的一端可以设置防脱弹片3024。防脱弹片3024可以是朝向支撑板3012下表面的伞形回钩，且连接部3023远离第二竖直板3022的一端穿过导向槽3011。在连接部3023穿过导向槽3011时，伞形回钩的钩头与连接部3023的侧面相接触，使连接部3023穿过导向槽3011。此后，伞形回钩的钩头恢复，使得伞形回钩的钩头间距离大于导向槽3011的导向部宽度，从而防止连接部3023从导向槽3011的导向部中脱出。
在固定构件3包括设置有凸台的支撑脚305的情况下，则该设置有凸台的支撑脚305可以是靠近导向槽3011的支撑脚305(该支撑脚305位于支撑板第二端)。这样的设计使得在推动第二夹持件302时，该凸台3043能够与背板之间产生一定的摩擦力，避免了该靠近导向槽3011的支撑脚305在推力的作用下从背板的相应孔洞中脱出。
上述所提及的支撑板3012、第一夹持件303、第二夹持件302以及支撑脚305均为弹性结构，且第二夹持件302与导向槽3011过盈配合。由于由支撑板3012、两个支撑脚305、第一夹持件303和第二夹持件302组成的固定构件3为弹性结构，因此固定构件3的伸缩性较大，从而方便将固定构件3安装到背板上。例如，在将固定构件3固定在背板的过程中，由于支撑脚305为弹性结构，则可将支撑脚305在缩紧的状态下分别插入到背板上相应的孔洞中，从而利用支撑脚305在孔洞中的膨胀力，将两个支撑脚305分别固定在背板上，实现了固定构件3的安装。另外，在使用固定构件3固定电路板的过程中，由于第二夹持件302与导向槽3011过盈配合，从而使得第二夹持件302 卡合在导向槽3011中需要的位置处。且由于第二夹持件302的连接部3023及支撑板3012均为弹性结构，因此可利用连接部3023在支撑板3012的导向槽3011中的膨胀力，使连接部3023卡合在导向槽3011中需要的位置处，从而保证了电路板安装在固定构件3上的稳固性。
上面提及的固定构件3可为由支撑板3012、第一夹持件303、第二夹持件302和支撑脚305构成的弹性结构，此弹性结构的固定构件3可以由树脂、塑料或橡胶等材质构成。
第二实施例
本实施例提供了一种安装电路板的设备，该设备包括背板1和上述第一实施例中所提及的固定构件3，该固定构件3安装在此背板1上。
利用该设备中的固定构件3固定电路板2时，将电路板2放置于支撑板3012上表面，且处于第一U形夹持槽和第二U形夹持槽之间，从而将电路板2的两侧分别卡合在第一U形夹持槽和第二U形夹持槽中，以实现电路板2的固定。
由上可见，本实施例的安装电路板的设备采用卡合的方式来实现电路板2的固定，这具有安装便利性强、牢固性好的效果。
参见图1和图4，为了便于将固定构件3固定在背板1上，固定构件3包括支撑脚305和支撑板3012，支撑脚305固定设置在支撑板3012的下表面。相应地，背板1上可以设置安装孔104，支撑脚305可以卡合安装在安装孔104中。可选地，固定构件3可包括两个支撑脚305，两个支撑脚305分别固定设置在支撑板3012的两端，支撑板3012和两个支撑脚305构成呈中文字“几”的形状的结构，在背板1上分别对应的设置安装孔104，两个支撑脚305卡合安装在各自对应的安装孔104中。
如图1和如图4所示，若固定构件3的支撑板下表面设置有定位栓306，可在背板1上设置与定位栓306相适配的定位孔103，定位栓306能够插入到该定位孔103中，从而提高了固定构件3在背板1上的稳固性。
固定构件3的支撑板3012可具有导向槽3011，第二夹持件302可安装在该导向槽3011中，从而使得第二夹持件302与第一夹持件303间的距离可调。基于这种结构，如图4所示，可在背板1与导向槽3011相对的区域上设置背孔102，第二夹持件302的端部穿过该背孔102， 以便于第二夹持件302的滑动。上述结构设计使得在需要固定不同宽度的电路板时，可根据待固定的电路板宽度，使第二夹持件302沿导向槽3011与第一夹持件303相向或相背地移动，以实现对第二夹持件302与第一夹持件303之间的间距的调整，从而使得本实施例中的安装电路板的设备能够用于固定不同宽度的电路板。
进一步地，为了简化在背板1上制作孔洞的步骤，可将背孔102与靠近其自身的安装孔104相连通，这样可以将制作背孔102与靠近其自身的安装孔104一体地制作出来；具体地，背孔102与靠近其自身的安装孔104相连通后构成T形的孔洞，从而可以在直接在背板1上制作T形的孔洞，该T形的孔洞能够同时满足对于背孔102和安装孔104的需要。
第三实施例
如图5和图6所示，本实施提供了一种显示装置，该显示装置包括：电路板2和上述第二实施例中所提及的用于安装电路板的设备，电路板2安装在所述设备内。需要说明的是，所述设备中的背板1指的是背光模组的背板1。
由于本实施例中的显示装置通过卡合的方式固定电路板2，因此，该显示装置可方便、牢固地将电路板固定在背光模组的背板上。进一步地，本实施例的显示装置还能够固定不同宽度的电路板2。
本实施例中所述的显示装置可以为液晶面板、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。
以上所述仅为本公开的具体实施方式，但本公开的保护范围并不局限于此。任何熟悉本技术领域的技术人员在本公开揭露的技术范围内，可轻易想到各种变化或替换，它们都应涵盖在本公开的保护范围之内。本公开的保护范围由所附权利要求限定。

Claims (16)

  1. 一种固定构件，包括：支撑板，固定设置在所述支撑板上表面的第一夹持件，与所述第一夹持件相对的第二夹持件，其中，
    所述第一夹持件与所述支撑板构成第一U形夹持槽，所述第二夹持件与所述支撑板构成第二U形夹持槽，且所述第一U形夹持槽的开口与所述第二U形夹持槽的开口相对。
  2. 根据权利要求1所述的固定构件，其中，所述第一夹持件包括第一水平板和固定连接到第一水平板的第一竖直板，所述第一竖直板固定在所述支撑板上表面；
    所述第二夹持件包括第二水平板和固定连接到第二水平板的第二竖直板，所述第二竖直板固定在所述支撑板上。
  3. 根据权利要求2所述的固定构件，其中，所述固定构件还包括支撑脚，支撑脚固定设置在所述支撑板的下表面。
  4. 根据权利要求3所述的固定构件，其中，所述支撑脚设置在支撑板的两端，并且包括：与所述支撑板的一端固定连接的第三竖直板和与所述第三竖直板远离所述支撑板的一端固定连接的第三水平板。
  5. 根据权利要求4所述的固定构件，其中，至少一个支撑脚还包括凸台，所述凸台位于支撑脚的第三水平板远离所述第三竖直板的一端的上表面。
  6. 根据权利要求5所述的固定构件，其中，所述支撑板和所述支撑脚一体成型。
  7. 根据权利要求3所述的固定构件，其中，所述固定构件还包括设置于所述支撑板下表面的定位栓。
  8. 根据权利要求1所述的固定构件，其中，所述支撑板和所述第一夹持件一体成型。
  9. 根据权利要求1～8任一项所述的固定构件，其中，所述支撑板具有导向槽，并且所述第二夹持件安装在所述导向槽中，且所述第二夹持件与所述第一夹持件间的距离可调。
  10. 根据权利要求9所述的固定构件，其中，所述第二夹持件具有穿过所述导向槽的连接部，并且在连接部远离支撑板的一端设有防脱弹片。
  11. 根据权利要求10所述的固定构件，其中，所述支撑板、所述第一夹持件、所述第二夹持件和所述支撑脚中的每一个均为弹性的，并所述第二夹持件与所述导向槽过盈配合。
  12. 一种安装电路板的设备，包括背板，以及如权利要求1～11中任一项所述的固定构件，所述固定构件被安装在所述背板上。
  13. 根据权利要求12所述的设备，其中，所述固定构件包括支撑脚和支撑板，支撑脚固定设置在所述支撑板的下表面；以及
    所述背板设置有安装孔，所述支撑脚卡合在所述安装孔中。
  14. 根据权利要求13所述的设备，其中，所述固定构件的支撑板下表面设置有定位栓；以及
    背板上与所述定位栓相对的区域设置有定位孔，所述定位孔与所述定位栓相适配。
  15. 根据权利要求12～14中任一项所述的设备，其中，所述固定构件的支撑板具有导向槽，所述固定构件的第二夹持件安装在所述导向槽中，并且所述第二夹持件与所述固定构件的第一夹持件间的距离可调；以及
    其中所述背板上与所述导向槽相对的区域设置有背孔，所述第二夹持件的端部穿过所述背孔。
  16. 一种显示装置，包括电路板，以及用于固定所述电路板的如权利要求12～15中任一项所述的安装电路板的设备。
PCT/CN2017/086541 2016-06-28 2017-05-31 固定构件、安装电路板的设备以及显示装置 WO2018001027A1 (zh)

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