WO2019028975A1 - 驱动电路板连接结构及显示装置 - Google Patents

驱动电路板连接结构及显示装置 Download PDF

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Publication number
WO2019028975A1
WO2019028975A1 PCT/CN2017/102623 CN2017102623W WO2019028975A1 WO 2019028975 A1 WO2019028975 A1 WO 2019028975A1 CN 2017102623 W CN2017102623 W CN 2017102623W WO 2019028975 A1 WO2019028975 A1 WO 2019028975A1
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WO
WIPO (PCT)
Prior art keywords
circuit board
driving circuit
buckle
connecting portion
backboard
Prior art date
Application number
PCT/CN2017/102623
Other languages
English (en)
French (fr)
Inventor
程加河
Original Assignee
惠科股份有限公司
重庆惠科金渝光电科技有限公司
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 惠科股份有限公司, 重庆惠科金渝光电科技有限公司 filed Critical 惠科股份有限公司
Priority to US16/637,133 priority Critical patent/US10989941B2/en
Publication of WO2019028975A1 publication Critical patent/WO2019028975A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • 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
    • 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
    • G02F1/133305—Flexible substrates, e.g. plastics, organic film
    • 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
    • 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
    • G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
    • G02F2201/46—Fixing elements
    • G02F2201/465—Snap -fit

Definitions

  • the present application belongs to the technical field of display devices, and more particularly to a driving circuit board connection structure and a display device.
  • the curved LCD TVs on the market are more and more popular because of their wide viewing angle and good image uniformity.
  • the quality of curved LCD TVs depends mainly on the surface.
  • the imaging effect of the liquid crystal display, while the curved liquid crystal display needs to drive the driving of the circuit board to display images.
  • the driver circuit board is generally fixed on the back panel of the curved LCD TV by screw-on assembly, and only the COF (Chip On Flex/Chip On Film, often referred to as a flexible circuit unit) is connected with the curved liquid crystal display to perform signals. transmission.
  • COF Chip On Flex/Chip On Film
  • the COF Chip On Flex/Chip On Film
  • some displacement occurs when the curved liquid crystal display is vibrated during the transportation of the curved LCD TV. If the curved liquid crystal display and the drive are curved, If the relative displacement between the boards is too large, the COF will be broken, resulting in poor quality or inability to image the curved LCD TV.
  • the purpose of the present application is to provide a driving circuit board connecting structure and a display device, so as to solve the technical problem that the existing assembly method cannot meet the required moving margin of the driving circuit board in the prior art.
  • the technical solution adopted by the present application is to provide a driving circuit board connection structure for a display device, comprising: a back board, a driving circuit board, and a connecting member.
  • the driving circuit board is disposed at one side of the backboard; the connecting component is configured to connect the backboard and the driving circuit board; wherein the connecting component comprises: a body, a first connecting portion, and a second a connecting portion and an elastic supporting portion.
  • the body is configured to connect the backboard and the driving circuit board; the first connecting portion and one of the body The end is connected to and connected to the backboard; the second connecting portion is in contact with the other end of the body; the elastic supporting portion is disposed on the body and located on the backboard and the driving circuit Between the plates, the elastic supporting portion and the second connecting portion respectively abut against opposite sides of the driving circuit board.
  • the first connecting portion is provided with a first buckle
  • the back plate is provided with a first mounting hole adapted to the first buckle, and the first connecting portion passes The first buckle is engaged with the backboard through the first mounting hole
  • the second connecting portion is provided with a second buckle
  • the driving circuit board is provided with the second card a second mounting hole is fitted, and the second connecting portion is engaged with the driving circuit board through the second mounting hole through the second buckle.
  • the outer peripheral surface of the first connecting portion is provided with an external thread
  • the back plate is provided with a threaded hole having an internal thread adapted to the external thread, the first connecting portion Rotating into the threaded hole to form a positioning with the back plate
  • the second connecting portion is provided with a second buckle
  • the driving circuit board is provided with a second fitting corresponding to the second buckle a mounting hole, the second connecting portion is engaged with the driving circuit board through the second mounting hole through the second buckle.
  • the second buckle includes: a guiding surface and a groove; the guiding surface is for guiding the second buckle through the second mounting hole; the groove is for providing deformation
  • the first connection portion is installed with a balance or fit.
  • the surface of the joint of the elastic support portion and the body is a curved surface.
  • connection of the resilient support portion to the body has a circular arcuate surface.
  • the elastic support portion includes: at least two support splits, including a root portion that transitions with the arc of the body, and a second protrusion portion that abuts the drive circuit board, the first Two protrusions are in contact with the root.
  • the support split further includes a first protrusion that abuts the back plate, the first protrusion being in contact with the root.
  • the support splits are equally spaced on the outer peripheral surface of the body.
  • the driving circuit board connecting structure provided by the present application adopts a connecting member including a body, a first connecting portion, a second connecting portion and an elastic supporting portion, so that the driving circuit board is connected with the backing plate and has a movable balance.
  • the driving circuit board can be moved along the body toward the back plate by a certain distance, thereby effectively solving the technical problem that the assembly method cannot meet the required movement margin of the driving circuit board, and the reliability of the driving circuit board connection structure is improved.
  • the present application also provides a driving circuit board connection structure for a display device, comprising: a back board, a driving circuit board, and a connecting member.
  • the driving circuit board is disposed at one side of the backboard; the connecting component is configured to connect the backboard and the driving circuit board; wherein the connecting component comprises: a body, a first connecting portion, and a second a connecting portion and an elastic supporting portion.
  • the body is configured to connect the backboard and the driving circuit board;
  • the first connecting portion is connected to one end of the body, and the first connecting portion is provided with a first buckle, the backboard a first mounting hole that is adapted to be coupled to the first buckle, the first connecting portion being engaged with the backing plate through the first mounting hole through the first buckle;
  • the second connecting portion is connected to the other end of the body, the second connecting portion is provided with a second buckle, and the driving circuit board is provided with a second mounting adapted to the second buckle a hole, the second connecting portion is engaged with the driving circuit board through the second mounting hole through the second fastening hole;
  • the elastic supporting portion is disposed on the body and located on the backboard and Between the driving circuit boards, the elastic supporting portion and the second buckle respectively abut against opposite sides of the driving circuit board, and the elastic supporting portions are equally spaced on the outer circumferential surface of the body At least two support splits on the upper, the support split includes a root transitioning with the body arc, to The second projecting portion and
  • the driving circuit board connecting structure provided by the present application adopts a connecting member including a body, a first connecting portion, a second connecting portion and an elastic supporting portion, so that the driving circuit board and the backing plate are connected with a movable margin, and the driving circuit board can be A certain distance is moved along the body toward the back plate, thereby effectively solving the technical problem that the assembly method cannot meet the required movement margin of the driving circuit board, and the reliability of the connection structure of the driving circuit board is improved.
  • the present application also provides a display device comprising: a display panel, the above-mentioned driving circuit board connecting structure, and a flexible circuit unit.
  • the display panel is configured to display an image;
  • the driving circuit board connecting structure is configured to mount the driving circuit board on the backboard; and one end of the flexible circuit unit and the display
  • the display panel is fixedly connected, and the other end thereof is fixedly connected to the driving circuit board.
  • the display device provided by the present application adopts a driving circuit board connection structure, so that the driving circuit board and the backing plate are connected with a movable margin, and the driving circuit board can be moved along the body toward the backing plate by a certain distance, thereby effectively solving the assembly.
  • the method cannot satisfy the technical problem that the driving circuit board needs the moving margin to automatically adjust its relative position with the display panel, avoids the damage of the flexible circuit unit, improves the safety of the flexible circuit unit during transportation, and ensures the normal operation of the display device.
  • FIG. 1 is a schematic diagram of connection relationships of components in a display device according to an embodiment of the present application.
  • FIG. 2 is a cross-sectional view showing a connection structure of a driving circuit board according to an embodiment of the present application
  • FIG. 3 is a cross-sectional view showing a connection structure of a driving circuit board according to another embodiment of the present application.
  • FIG. 4 is a cross-sectional view showing a connection structure of a driving circuit board according to still another embodiment of the present application.
  • FIG. 5 is an enlarged schematic diagram of a second buckle in a connection structure of a driving circuit board according to an embodiment of the present disclosure
  • Figure 6 is an enlarged schematic view of a portion A of Figure 2;
  • FIG. 7 is a block diagram of a display device according to an embodiment of the present application.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • the driving circuit board connection structure 10 for use on the display device 1 includes a back board 11, a driving circuit board 12 and a connecting member 13, wherein the driving circuit board 12 is disposed on one side of the back board 11, and the connecting member 13 is used for connecting the back The board 11 and the driving circuit board 12; here, the connecting member 13 includes a body 131, a first connecting portion 132, a second connecting portion 133, and an elastic supporting portion 134, wherein the body 131 may be cylindrical or polygonal, of course In other embodiments of the present application, the body 131 may have other shapes, which are not limited herein; the body 131 is disposed on the backboard 11 and the driving circuit board 12, and the first connecting portion 132 The second connecting portion 133 is respectively connected to the two ends of the body 131.
  • the elastic supporting portion 134 has elasticity, which is disposed on the body 131, and the elastic supporting portion 134 is located between the backboard 11 and the driving circuit board 12, where The first connecting portion 132 is connected to the back plate 11, and the second connecting portion 133 and the elastic supporting portion 134 are respectively abutted against opposite side faces of the driving circuit board 12.
  • the first connecting portion 132 is firstly disposed on the back plate 11, and then the second connecting portion 133 is inserted from one side of the driving circuit board 12 and then passed out from the other side.
  • the second connection The portion 133 and the elastic supporting portion 134 respectively abut against opposite side faces of the driving circuit board 12, so that the driving circuit board 12 is sandwiched between the second connecting portion 133 and the elastic supporting portion 134 to form a positioning. Due to the elastic support portion 134 The elasticity is such that the drive circuit board 12 has a moving margin and is movable along the body 131 a certain distance toward the back plate 11.
  • the driving circuit board connecting structure 10 adopts a connecting member 13 including a body 131, a first connecting portion 132, a second connecting portion 133 and an elastic supporting portion 134, so that the driving circuit board 12 is connected with the backing plate 11 at the same time.
  • the driving circuit board 12 With the movable margin, the driving circuit board 12 can be moved along the body 131 toward the backing plate 11 by a certain distance, thereby effectively solving the technical problem that the assembly method cannot meet the required moving margin of the driving circuit board, and the driving circuit board connection structure is improved. Reliability.
  • the first connecting portion 132 is provided with a first buckle (not labeled), and the second connecting portion 133 is provided with a second buckle 1330.
  • a first mounting hole (not labeled) is defined in the board, and the first mounting hole is matched with the first buckle.
  • the driving circuit board 12 is provided with a second mounting hole 120, and the second mounting hole 120 and the second mounting hole 120 The two buckles 1330 are adapted.
  • the first connecting portion 132 is engaged with the back plate 11 through the first mounting hole through the first fastening hole, and the second connecting portion 133 passes through the second through the second buckle 1330.
  • the mounting hole 120 is engaged with the driving circuit board 12.
  • the second buckle 1330 includes a guiding surface 1331 and a recess 1332, wherein the guiding surface 1331 is configured to guide the second buckle 1330 through the second mounting hole 120, and the recess 1332 To provide deformation allowance.
  • the second buckle 1330 has a truncated cone shape or a conical shape or a spherical shape.
  • the second buckle 1330 may have other shapes, which are not used herein.
  • the bottom surface of the second buckle 1330 is larger than the diameter of the top surface of the second buckle 1330 and smaller than the diameter of the bottom surface of the second buckle 1330, and the guide surface 1331 is self-defining.
  • the groove 1332 may be a slotted groove having a groove width smaller than the width of the body 131, and the groove 1332 extends through the second buckle 1330 and the second buckle 1330. The edge is connected to each other.
  • the second buckle 1330 is provided with a plurality of grooves 1332. When the number of the grooves 1332 is greater than or equal to 2, the plurality of grooves 1332 intersect and are equally angularly distributed, and both pass through the second buckle. The central axis of the 1330. When assembled, the top of the second buckle 1330 first extends into the second mounting hole 120 along the guiding surface 1331, and is pressed by the second mounting hole 120.
  • first buckle and the second buckle 1330 are the same, and the shape and configuration of the first mounting hole and the second mounting hole 120 are the same, and no further details are provided herein.
  • the surface of the connection between the elastic support portion 134 and the body 131 is a curved surface, that is, the connection between the elastic support portion 134 and the body 131 has a circular arc surface. As such, the tear strength of the joint between the elastic support portion 134 and the body 131 is made higher.
  • the elastic support portion 134 includes at least two support splits 1340, and the support split body 1340 includes a root portion 1341 and a second protrusion portion 1343, wherein the root portion 1341 and the body 131 are arc-transitioned. Connected, the second extension 1343 abuts the drive circuit board 12, where the second extension 1343 is in contact with the root 1341.
  • the supporting split body 1340 has elasticity, and the second protruding portion 1343 can swing up and down around the root portion 1341.
  • the driving circuit board 12 can press the second protruding portion 1343 toward The lower swinging is performed to move the driving circuit board 12 away from the second connecting portion 133 toward the side of the backing plate 11.
  • the above-mentioned support splits 1340 are equally spaced on the outer peripheral surface of the body 131. In this way, the driving circuit board 12 is more uniformly stressed and positioned better.
  • the driving circuit board connection structure provided by the embodiment of the present application is substantially the same as the driving circuit board connection structure disclosed in the above embodiment, except that the outer peripheral surface of the first connecting portion 132 is An external thread (not shown) is disposed on the back plate, and the back plate 11 is provided with a threaded hole (not labeled) having an internal thread adapted to the external thread.
  • the first connecting portion 132 is screwed in.
  • the inside of the threaded hole is formed in a position with the back plate 11, that is, the first connecting portion 132 and the back plate 11 are fixedly coupled by internal and external threads.
  • a screwdriver can be used to extend into the recess 1332 to firstly screw the first connecting portion 132 into the threaded hole to connect with the back plate 11, and then the second connecting portion 133 is inserted from one side of the driving circuit board 12. From The second connecting portion 133 and the elastic supporting portion 134 are respectively abutted against opposite sides of the driving circuit board 12, so that the driving circuit board 12 is interposed between the second connecting portion 133 and the elastic supporting portion. Positioning is formed between 134.
  • the driving circuit board connection structure provided by the embodiment of the present application is substantially the same as the driving circuit board connection structure disclosed in the foregoing embodiment, except that the supporting split body 1340 further includes the first The protrusion 1342, where the first protrusion 1342 abuts the back plate 11, and the first protrusion 1342 is in contact with the root 1341.
  • the first projecting portion 1342 is symmetrically disposed with the second projecting portion 1343 so as to facilitate the design and processing of the support body 1340, and the first projecting portion 1342 can also swing up and down about the root portion 1341 when the circuit board 12 is driven.
  • the driving circuit board 12 When subjected to a downward external force, the driving circuit board 12 can press the second protruding portion 1343 to swing downward. At this time, the first protruding portion 1342 swings upward under the reaction of the reaction force of the backing plate 11.
  • the first extension 1342 cooperates with the first snap to clamp the backing plate 11, so that the connecting member 13 and the backing plate 11 are positioned, and the driving circuit board 12 and the backing plate 11 can be connected without using a tool.
  • the supporting force of the elastic supporting portion 13 is increased, and the assembly efficiency of the driving circuit board connecting structure 10 is improved.
  • the present application further provides a display device 1 including a display panel 15, a flexible circuit unit 14 and the above-mentioned driving circuit board connecting structure 10, wherein the display panel 15 is used for displaying an image; the driving circuit board
  • the connection structure 10 is for mounting the drive circuit board 12 on the back board 11; one end of the flexible circuit unit 14 is fixedly connected to the display panel 15, and the other end of the flexible circuit unit 14 is fixedly connected to the drive circuit board 12.
  • the display device may be an LCD display device, an OLED display device, a QLED display device, a curved display device, or other display device, which is not limited herein.
  • the display device 1 provided by the present application adopts a driving circuit board connecting structure 10, so that the driving circuit board 12 and the backing plate 11 are connected with a movable margin, and the driving circuit board 12 can move along the body 131 toward the backing plate 11
  • the distance effectively solves the problem that the assembly method cannot meet the required movement margin of the driving circuit board to automatically adjust its relative position with the display panel, thereby avoiding the problem of damage of the flexible circuit unit, and improving the safety of the flexible circuit unit during transportation.
  • the display device is guaranteed to operate normally.
  • the driving circuit board connection structure 10 of the present application can also be used for other electronic devices, which is not limited herein.

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

Abstract

一种驱动电路板连接结构（10），包括背板（11）、设置于背板（11）一侧的驱动电路板（12）、以及连接件（13），连接件（13）包括穿设于背板（11）和驱动电路板（12）上的本体（131）、分别相接于本体（131）两端的第一连接部（132）和第二连接部（133）、以及设置于本体（131）上并位于背板（11）和驱动电路板（12）之间的弹性支撑部（134），第一连接部（132）与背板（11）连接，第二连接部（133）和弹性支撑部（134）分别与驱动电路板（12）的相对两侧面相抵顶；一种显示装置（1），采用了包括本体（131）、第一连接部（132）、第二连接部（133）以及弹性支撑部（134）的连接件（13），使得驱动电路板（12）与背板（11）连接的同时具有活动余量，驱动电路板（12）可沿本体（131）朝背板（11）的方向移动一定距离。

Description

驱动电路板连接结构及显示装置 技术领域
本申请属于显示设备技术领域，更具体地说，是涉及一种驱动电路板连接结构及显示装置。
背景技术
随着科技的进步，人们对生活品质的追求日益提高，市场上的曲面液晶电视由于视角范围广、图像均匀度好等优点越来越受到人们喜爱，曲面液晶电视成像的好坏主要取决于曲面液晶显示屏的成像效果，而曲面液晶显示屏要显示图像需要驱动电路板的驱动。
目前，驱动电路板普遍采用螺丝锁附的装配方式固定在曲面液晶电视的背板上，只通过COF(Chip On Flex/Chip On Film,常称柔性电路单元)与曲面液晶显示屏连接，进行信号传输。然而，由于曲面液晶显示屏安装到背板上时会存在一定范围的公差，导致了曲面液晶电视在运输过程中，曲面液晶显示屏受到震动时，会发生一些位移，若曲面液晶显示屏与驱动电路板之间的相对位移过大就会将COF拉坏，造成曲面液晶电视的成像质量差或无法成像。
发明内容
本申请的目的在于提供一种驱动电路板连接结构及显示装置，以解决现有技术中，现有装配方式无法满足驱动电路板需要活动余量的技术问题。
为了实现上述目的，本申请采用的技术方案是：提供了一种用于显示装置上的驱动电路板连接结构，包括：背板、驱动电路板以及连接件。所述驱动电路板设置于所述背板的一侧；所述连接件用于连接所述背板和所述驱动电路板；其中，所述连接件包括：本体、第一连接部、第二连接部以及弹性支撑部。所述本体用于连接所述背板和所述驱动电路板；所述第一连接部与所述本体的一 端相接，且与所述背板连接；所述第二连接部与所述本体的另一端相接；所述弹性支撑部设置于所述本体上并位于所述背板和所述驱动电路板之间，所述弹性支撑部和所述第二连接部分别与所述驱动电路板的相对两侧面相抵顶。
在一个实施例中，所述第一连接部上设置有第一卡扣，所述背板上开设有与所述第一卡扣相适配的第一安装孔，所述第一连接部通过所述第一卡扣穿过所述第一安装孔与所述背板卡接；所述第二连接部上设置有第二卡扣，所述驱动电路板上开设有与所述第二卡扣相适配的第二安装孔，所述第二连接部通过所述第二卡扣穿过所述第二安装孔与所述驱动电路板卡接。
在一个实施例中，所述第一连接部的外周面上设置有外螺纹，所述背板上开设有具有与所述外螺纹相适配的内螺纹的螺纹孔，所述第一连接部旋入所述螺纹孔内与所述背板形成定位；所述第二连接部上设置有第二卡扣，所述驱动电路板上开设有与所述第二卡扣相适配的第二安装孔，所述第二连接部通过所述第二卡扣穿过所述第二安装孔与所述驱动电路板卡接。
在一个实施例中，所述第二卡扣包括：导向面以及凹槽；所述导向面用于引导所述第二卡扣穿过所述第二安装孔；所述凹槽用于提供形变余量或配合安装所述第一连接部。
在一个实施例中，所述弹性支撑部与所述本体的连接处的表面为弧面。
在一个实施例中，所述弹性支撑部与所述本体的连接处具有圆弧形表面。
在一个实施例中，所述弹性支撑部包括：至少两个支撑分体，包括与所述本体圆弧过渡的根部、以及与所述驱动电路板相抵顶的第二伸出部，所述第二伸出部与所述根部相接。
在一个实施例中，所述支撑分体还包括与所述背板相抵顶的第一伸出部，所述第一伸出部与所述根部相接。
在一个实施例中，所述支撑分体等间隔分布于所述本体的外周面上。
本申请提供的驱动电路板连接结构采用了包括本体、第一连接部、第二连接部以及弹性支撑部的连接件，使得驱动电路板与背板连接的同时具有活动余 量，驱动电路板可沿本体朝背板的方向移动一定距离，从而有效地解决了装配方式无法满足驱动电路板需要活动余量的技术问题，提高了驱动电路板连接结构的可靠性。
本申请还提供了一种用于显示装置上的驱动电路板连接结构，包括：背板、驱动电路板以及连接件。所述驱动电路板设置于所述背板的一侧；所述连接件用于连接所述背板和所述驱动电路板；其中，所述连接件包括：本体、第一连接部、第二连接部以及弹性支撑部。所述本体用于连接所述背板和所述驱动电路板；所述第一连接部与所述本体的一端相接，所述第一连接部上设置有第一卡扣，所述背板上开设有与所述第一卡扣相适配的第一安装孔，所述第一连接部通过所述第一卡扣穿过所述第一安装孔与所述背板卡接；所述第二连接部与所述本体的另一端相接，所述第二连接部上设置有第二卡扣，所述驱动电路板上开设有与所述第二卡扣相适配的第二安装孔，所述第二连接部通过所述第二卡扣穿过所述第二安装孔与所述驱动电路板卡接；所述弹性支撑部设置于所述本体上并位于所述背板和所述驱动电路板之间，所述弹性支撑部和所述第二卡扣分别与所述驱动电路板的相对两侧面相抵顶，所述弹性支撑部包括等间隔分布于所述本体的外周面上的至少两个支撑分体，所述支撑分体包括与所述本体圆弧过渡的根部，以及与所述驱动电路板相抵顶的第二伸出部，所述第二伸出部与所述根部相接。
本申请提供的驱动电路板连接结构采用了包括本体、第一连接部、第二连接部以及弹性支撑部的连接件，使得驱动电路板与背板连接的同时具有活动余量，驱动电路板可沿本体朝背板的方向移动一定距离，从而有效地解决了装配方式无法满足驱动电路板需要活动余量的技术问题，提高了驱动电路板连接结构的可靠性。
本申请还提供了一种显示装置，包括：显示面板、上述驱动电路板连接结构以及柔性电路单元。所述显示面板用于显示图像；上述驱动电路板连接结构用于将所述驱动电路板装配于所述背板上；所述柔性电路单元的一端与所述显 示面板固定连接，其另一端与所述驱动电路板固定连接。
本申请提供的显示装置采用了驱动电路板连接结构，使得驱动电路板与背板连接的同时具有活动余量，驱动电路板可沿本体朝背板的方向移动一定距离，从而有效地解决了装配方式无法满足驱动电路板需要活动余量以自动调整其与显示面板的相对位置，避免柔性电路单元损坏的技术问题，提高了运输过程中柔性电路单元的安全性，保障了显示装置的正常运行。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其它的附图。
图1为本申请实施例提供的显示装置中各部件连接关系的示意图；
图2为本申请一实施例提供的驱动电路板连接结构的剖面示意图；
图3为本申请另一实施例提供的驱动电路板连接结构的剖面示意图；
图4为本申请又一实施例提供的驱动电路板连接结构的剖面示意图；
图5为本申请实施例提供的驱动电路板连接结构中第二卡扣的放大示意图；
图6为图2中A部分的放大示意图；以及
图7为本申请实施例提供的显示装置的框图。
具体实施方式
为了使本申请所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直 接在另一个元件上或者间接在该另一个元件上。当一个元件被称为是“连接于”另一个元件，它可以是直接连接到另一个元件或间接连接至该另一个元件上。
需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
请参阅图1和图2，现对本申请提供的驱动电路板连接结构进行说明。该用在显示装置1上的驱动电路板连接结构10，包括背板11、驱动电路板12和连接件13，其中，驱动电路板12设置于背板11一侧，连接件13用于连接背板11和驱动电路板12；此处，连接件13包括本体131、第一连接部132、第二连接部133以及弹性支撑部134，其中，本体131可选呈圆柱状或多棱柱状，当然，根据实际情况和需求，在本申请的其它实施例中，本体131还可呈其他形状，此处不作唯一限定；本体131穿设在背板11和驱动电路板12上，第一连接部132和第二连接部133分别相接在本体131的两端，弹性支撑部134具有弹性，其设置在本体131上，并且弹性支撑部134位于背板11和驱动电路板12之间，此处，第一连接部132与背板11连接，第二连接部133和弹性支撑部134分别与驱动电路板12的相对两侧面相抵顶。
装配时，先将第一连接部132穿设在背板11上，接着将第二连接部133从驱动电路板12的一侧穿入后从其另一侧穿出，此时，第二连接部133和弹性支撑部134分别与驱动电路板12的相对两侧面相抵顶，使得驱动电路板12夹设在第二连接部133与弹性支撑部134之间形成定位。由于弹性支撑部134具 有弹性，使得驱动电路板12具有活动余量，并且可沿本体131朝背板11的方向移动一定距离。
本申请提供的驱动电路板连接结构10，采用了包括本体131、第一连接部132、第二连接部133以及弹性支撑部134的连接件13，使得驱动电路板12与背板11连接的同时具有活动余量，驱动电路板12可沿本体131朝背板11的方向移动一定距离，从而有效地解决了装配方式无法满足驱动电路板需要活动余量的技术问题，提高了驱动电路板连接结构的可靠性。
在具体应用中，请参阅图2和图5，上述第一连接部132上设置有第一卡扣(未标注)，上述第二连接部133上设置有第二卡扣1330，同时，上述背板11上开设有第一安装孔(未标注)，该第一安装孔与第一卡扣相适配，上述驱动电路板12上开设有第二安装孔120，该第二安装孔120与第二卡扣1330相适配，此处，第一连接部132通过第一卡扣穿过第一安装孔与背板11卡接，并且第二连接部133通过第二卡扣1330穿过第二安装孔120与驱动电路板12卡接。
在具体应用中，请参阅图5，上述第二卡扣1330包括导向面1331和凹槽1332，其中，导向面1331用于引导第二卡扣1330穿过第二安装孔120，凹槽1332用于提供形变余量。具体地，第二卡扣1330呈圆台状或圆锥状或球缺状，当然，根据实际情况和需求，在本申请的其它实施例中，第二卡扣1330还可呈其它形状，此处不作唯一限定；第二卡扣1330的底部体积大、顶部体积小，第二安装孔120的孔径大于第二卡扣1330的顶面直径，并且小于第二卡扣1330的底面直径，导向面1331自该顶部的中心或边缘朝底部的边缘倾斜，同时，凹槽1332可选为一字形槽，其槽宽小于本体131的宽度，并且凹槽1332贯穿第二卡扣1330与第二卡扣1330的边缘相连通，此处，第二卡扣1330上开设有若干凹槽1332，当凹槽1332的数量大于等于2时，多个凹槽1332交叉并且等夹角分布，而且均经过第二卡扣1330的中心轴线。装配时，第二卡扣1330的顶部先沿导向面1331伸入第二安装孔120内，在第二安装孔120挤压下，凹槽 1332逐渐发生形变缩小，使得第二卡扣1330的底部的体积缩小穿过第二安装孔120，接着在没有第二安装孔120挤压的情况下，凹槽1332恢复原来形状，第二卡扣1330卡接在驱动电路板12上。
在具体应用中，请参阅图2，上述第一卡扣与第二卡扣1330的形状和构造相同，上述第一安装孔与第二安装孔120的形状和构造相同，此处不作进一步赘述。
在具体应用中，请参阅图6，上述弹性支撑部134与本体131的连接处的表面为弧面，即弹性支撑部134与本体131的连接处具有圆弧形表面。如此，使得弹性支撑部134与本体131之间的连接处的抗撕裂强度更高。
在具体应用中，请参阅图6，上述弹性支撑部134包括至少两个支撑分体1340，该支撑分体1340包括根部1341和第二伸出部1343，其中，根部1341与本体131圆弧过渡连接，第二伸出部1343与驱动电路板12相抵顶，此处，第二伸出部1343与根部1341相接。具体地，支撑分体1340具有弹性，第二伸出部1343可绕根部1341上下摆动，当驱动电路板12受到向下的外力作用时，驱动电路板12可顶压第二伸出部1343向下摆动，从而实现驱动电路板12远离第二连接部133朝背板11的所在侧移动。
在具体应用中，上述支撑分体1340等间隔地分布在本体131的外周面上。如此，使得驱动电路板12受力更加均匀，定位更好。
在一个实施例中，请参阅图3，本申请实施例提供的驱动电路板连接结构与上述实施例中公开的驱动电路板连接结构基本相同，不同之处在于：第一连接部132的外周面上设置有外螺纹(未图示)，同时，背板11上开设有螺纹孔(未标注)，该螺纹孔具有与外螺纹相适配的内螺纹，此处，第一连接部132旋入螺纹孔内与背板11形成定位，即第一连接部132与背板11通过内外螺纹配合固定连接。
装配时，可使用螺丝刀伸入凹槽1332内借力先将第一连接部132旋入螺纹孔内与背板11连接，接着将第二连接部133从驱动电路板12的一侧穿入后从 其另一侧穿出，此时，第二连接部133和弹性支撑部134分别与驱动电路板12的相对两侧面相抵顶，使得驱动电路板12夹设在第二连接部133与弹性支撑部134之间形成定位。
在一个实施例中，请参阅图4，本申请实施例提供的驱动电路板连接结构与上述实施例中公开的驱动电路板连接结构基本相同，不同之处在于：支撑分体1340还包括第一伸出部1342，此处，第一伸出部1342与背板11相抵顶，并且第一伸出部1342与根部1341相接。具体地，第一伸出部1342与第二伸出部1343对称设置，这样便于支撑分体1340的设计和加工，并且第一伸出部1342也可绕根部1341上下摆动，当驱动电路板12受到向下的外力作用时，驱动电路板12可顶压第二伸出部1343向下摆动，此时，第一伸出部1342在背板11的反作用力顶压下向上摆动。装配时，第一伸出部1342与第一卡扣配合夹紧背板11，使得连接件13与背板11形成定位，无需借助工具，即可完成驱动电路板12与背板11连接。如此，增加了弹性支撑部13的支撑力，提高了驱动电路板连接结构10的装配效率。
请参阅图1和图7，本申请还提供了一种显示装置1，包括显示面板15、柔性电路单元14和上述驱动电路板连接结构10，其中，显示面板15用于显示图像；驱动电路板连接结构10用于将驱动电路板12装配在背板11上；柔性电路单元14的一端与显示面板15固定连接，并且柔性电路单元14的另一端与驱动电路板12固定连接。此处，根据实际情况和需求，显示装置可以是：LCD显示装置、OLED显示装置、QLED显示装置、曲面显示装置或其他显示装置，此处不作唯一限定。
本申请提供的显示装置1，采用了驱动电路板连接结构10，使得驱动电路板12与背板11连接的同时具有活动余量，驱动电路板12可沿本体131朝背板11的方向移动一定距离，从而有效地解决了装配方式无法满足驱动电路板需要活动余量以自动调整其与显示面板的相对位置，避免了柔性电路单元损坏的问题，提高了运输过程中柔性电路单元的安全性，保障了显示装置正常运行。
本申请的驱动电路板连接结构10还可以用于其他电子装置，在此不作唯一限定。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (17)

  1. 一种驱动电路板连接结构，用于显示装置，包括：
    背板；
    驱动电路板，设置于所述背板的一侧；以及
    连接件，用于连接所述背板和所述驱动电路板；
    其中，所述连接件包括：
    本体，用于连接所述背板和所述驱动电路板；
    第一连接部，与所述本体的一端相接，且与所述背板连接；
    第二连接部，与所述本体的另一端相接；以及
    弹性支撑部，设置于所述本体上并位于所述背板和所述驱动电路板之间，所述弹性支撑部和所述第二连接部分别与所述驱动电路板的相对两侧面相抵顶。
  2. 如权利要求1所述的驱动电路板连接结构，其中，所述第一连接部上设置有第一卡扣，所述背板上开设有与所述第一卡扣相适配的第一安装孔，所述第一连接部通过所述第一卡扣穿过所述第一安装孔与所述背板卡接；
    所述第二连接部上设置有第二卡扣，所述驱动电路板上开设有与所述第二卡扣相适配的第二安装孔，所述第二连接部通过所述第二卡扣穿过所述第二安装孔与所述驱动电路板卡接。
  3. 如权利要求1所述的驱动电路板连接结构，其中，所述第一连接部的外周面上设置有外螺纹，所述背板上开设有具有与所述外螺纹相适配的内螺纹的螺纹孔，所述第一连接部旋入所述螺纹孔内与所述背板形成定位；
    所述第二连接部上设置有第二卡扣，所述驱动电路板上开设有与所述第二卡扣相适配的第二安装孔，所述第二连接部通过所述第二卡扣穿过所述第二安装孔与所述驱动电路板卡接。
  4. 如权利要求2所述的驱动电路板连接结构，其中，所述第二卡扣包括：
    导向面，用于引导所述第二卡扣穿过所述第二安装孔；以及
    凹槽，用于提供形变余量或配合安装所述第一连接部。
  5. 如权利要求1所述的驱动电路板连接结构，其中，所述弹性支撑部与所述本体的连接处的表面为弧面。
  6. 如权利要求5所述的驱动电路板连接结构，其中，所述弹性支撑部与所述本体的连接处具有圆弧形表面。
  7. 如权利要求2所述的驱动电路板连接结构，其中，所述弹性支撑部包括：
    至少两个支撑分体，包括与所述本体圆弧过渡的根部、以及与所述驱动电路板相抵顶的第二伸出部，所述第二伸出部与所述根部相接。
  8. 如权利要求7所述的驱动电路板连接结构，其中，所述支撑分体还包括与所述背板相抵顶的第一伸出部，所述第一伸出部与所述根部相接。
  9. 如权利要求7所述的驱动电路板连接结构，其中，所述支撑分体等间隔分布于所述本体的外周面上。
  10. 一种驱动电路板连接结构，用于显示装置上，包括：
    背板；
    驱动电路板，设置于所述背板的一侧；以及
    连接件，用于连接所述背板和所述驱动电路板；
    其中，所述连接件包括：
    本体，用于连接所述背板和所述驱动电路板；
    第一连接部，与所述本体的一端相接，所述第一连接部上设置有第一卡扣，所述背板上开设有与所述第一卡扣相适配的第一安装孔，所述第一连接部通过所述第一卡扣穿过所述第一安装孔与所述背板卡接；
    第二连接部，与所述本体的另一端相接，所述第二连接部上设置有第二卡扣，所述驱动电路板上开设有与所述第二卡扣相适配的第二安装孔，所述第二连接部通过所述第二卡扣穿过所述第二安装孔与所述驱动电路板卡接；以及
    弹性支撑部，设置于所述本体上并位于所述背板和所述驱动电路板之间，所述弹性支撑部和所述第二卡扣分别与所述驱动电路板的相对两侧面相抵顶， 所述弹性支撑部包括等间隔分布于所述本体的外周面上的至少两个支撑分体，所述支撑分体包括与所述本体圆弧过渡的根部、以及与所述驱动电路板相抵顶的第二伸出部，所述第二伸出部与所述根部相接。
  11. 如权利要求10所述的驱动电路板连接结构，其中，所述第二卡扣包括：
    导向面，用于引导所述第二卡扣穿过所述第二安装孔；以及
    凹槽，用于提供形变余量或配合安装所述第一连接部。
  12. 如权利要求10所述的驱动电路板连接结构，其中，所述弹性支撑部与所述本体的连接处的表面为弧面。
  13. 如权利要求12所述的驱动电路板连接结构，其中，所述弹性支撑部与所述本体的连接处具有圆弧形表面。
  14. 如权利要求10所述的驱动电路板连接结构，其中，所述支撑分体还包括与所述背板相抵顶的第一伸出部，所述第一伸出部与所述根部相接。
  15. 一种显示装置，包括：
    显示面板，用于显示图像；
    如权利要求1所述的驱动电路板连接结构，用于将所述驱动电路板装配于所述背板上；以及
    柔性电路单元，其一端与所述显示面板固定连接，其另一端与所述驱动电路板固定连接。
  16. 如权利要求15所述的显示装置，其中，所述弹性支撑部与所述本体的连接处的表面为弧面。
  17. 如权利要求16所述的显示装置，其中，所述弹性支撑部与所述本体的连接处具有圆弧形表面。
PCT/CN2017/102623 2017-08-08 2017-09-21 驱动电路板连接结构及显示装置 WO2019028975A1 (zh)

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