WO2012129829A1 - 一种背光模组及液晶显示装置 - Google Patents

一种背光模组及液晶显示装置 Download PDF

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Publication number
WO2012129829A1
WO2012129829A1 PCT/CN2011/073713 CN2011073713W WO2012129829A1 WO 2012129829 A1 WO2012129829 A1 WO 2012129829A1 CN 2011073713 W CN2011073713 W CN 2011073713W WO 2012129829 A1 WO2012129829 A1 WO 2012129829A1
Authority
WO
WIPO (PCT)
Prior art keywords
opening
clamping portion
heat dissipation
connecting portions
dissipation plate
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2011/073713
Other languages
English (en)
French (fr)
Inventor
张田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Technology Co Ltd
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 Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US13/375,328 priority Critical patent/US8678603B2/en
Publication of WO2012129829A1 publication Critical patent/WO2012129829A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/009—Positioning aspects of the light source in the package
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/06—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips
    • F16B5/0607—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other
    • F16B5/0621—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship
    • F16B5/0642—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of clamps or clips joining sheets or plates to each other in parallel relationship the plates being arranged one on top of the other and in full close contact with each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/07—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of multiple interengaging protrusions on the surfaces, e.g. hooks, coils
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0085—Means for removing heat created by the light source from the package
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133628—Illuminating devices with cooling means

Definitions

  • the present invention relates to the field of liquid crystal display technology, and in particular to a backlight module and a liquid crystal display device for a liquid crystal display device.
  • liquid crystal display devices have been widely used in various electronic products such as computer monitors, televisions, notebook computers, mobile phones, and digital cameras due to their advantages of lightness, power saving, and low radiation. Since the liquid crystal itself does not emit light, a backlight module is required to provide illumination for the liquid crystal display device.
  • the heat generation amount of the light source is large, it is usually required to fix the light source to the heat dissipation plate (for example, an aluminum extruded heat dissipation plate) to dissipate heat generated by the light source by the heat dissipation plate.
  • the heat sink is often fixed to the back panel of the backlight module by screw fixing, and the fixing method has a long assembly time, which greatly reduces the production efficiency.
  • the pressure area of the screw fixing method is relatively small, resulting in uneven pressure on the heat dissipation plate, and further forming a heat dissipation channel with different thermal resistance between the heat dissipation plate and the back plate, resulting in uneven temperature of the backlight module.
  • the technical problem to be solved by the present invention is to provide a backlight module and a liquid crystal display device, so as to solve the technical problem that the assembly time of the heat dissipation plate and the back plate in the existing backlight module is too long.
  • the backlight module includes: a light source; a heat dissipation plate, the heat dissipation plate includes a first plate body and a second body perpendicular to the first plate body a first opening is disposed on the first plate body, and the light source is disposed on the second plate body; the back plate and the heat dissipation plate
  • the first plate body is disposed on the back plate, the second plate is provided with a second opening, and the second opening is overlapped with the first opening;
  • the elastic clamp is formed by bending a wire, and the elastic clamp includes a first a clamping portion, two second clamping portions, two first connecting portions, and two second connecting portions, the first clamping portion is supported on the upper side of the first plate body, and the two first connecting portions are respectively Connecting one end of the first clamping portion and extending in a direction perpendicular to an upper side of the first plate body and passing through the first opening and the second
  • the fixing is such that the distance between the first clamping portion and the second clamping portion in the direction perpendicular to the upper side of the first plate body is smaller than the extending distance of the two first connecting portions, thereby fixing the heat dissipation plate to the back plate.
  • a backlight module comprising: a light source; a heat dissipation plate, the light source is disposed on the heat dissipation plate, and the first opening is provided on the heat dissipation plate a back plate, the heat dissipation plate is disposed on the back plate, the second plate is provided on the back plate, and the second opening is overlapped with the first opening; the elastic clamp passes through the first opening and the second opening The two sides of the heat dissipation plate and the back plate are separated from each other to fix the heat dissipation plate to the back plate.
  • the elastic clamp is formed by bending a wire.
  • the elastic clamp comprises: a first clamping portion, the first clamping portion is supported on the upper side of the heat dissipation plate; the two first connecting portions and the two first connecting portions respectively Connecting one end of the first clamping portion and extending in a direction of an upper side of the vertical heat dissipation plate and passing through the first opening and the second opening; two second clamping portions, two second clamping portions being disposed On the two sides of the two first connecting portions, and respectively abutting the lower side of the backboard; the two second connecting portions, the two second connecting portions are respectively connected to a first connecting portion and a second clamping portion, The two second connecting portions are bent toward the first clamping portion such that the distance between the first clamping portion and the second clamping portion in the direction of the side of the vertical heat dissipation plate is smaller than the extending distance of the two first connecting portions.
  • the first clamping portion has an arc structure
  • the second clamping portion has a dome shape structure
  • first clamping portion and the second clamping portion are located in the same space in the two spaces defined by the planes of the two first connecting portions.
  • the heat dissipation plate is further provided with a first chute connecting the first opening and the edge of the heat dissipation plate, the back The plate is further provided with a third opening and a second sliding slot connecting the second opening and the third opening, the third opening is arranged to allow the first clamping portion to pass through the third opening, the first sliding slot and the first The two sliding grooves are overlapped to allow the first connecting portion to slide into the first opening and the second opening through the first sliding slot and the second sliding slot after the first clamping portion passes through the third opening.
  • the distance between the outer edges of the two first connecting portions is greater than the width of the first sliding slot and the second sliding slot, and the edge of the heat dissipation plate is provided with an inverted V-shaped opening, and the first sliding slot is connected to the first opening and the inverted A V-shaped opening, the inverted V-shaped opening is used to guide the two first connecting portions into the first sliding slot and the second sliding slot.
  • the upper side of the heat dissipation plate includes a first upper side surface, a second upper side surface that is convex relative to the first upper side surface, and a connecting surface that connects the first upper side surface and the second upper side surface, and the first clamping portion is supported on the second side On the side.
  • the connecting surface is a slope.
  • the backlight module includes a plurality of elastic clamps, and the plurality of elastic clamps are integrally bent from the wire.
  • the heat dissipation plate includes a first plate body and a second plate body perpendicular to the first plate body. The first plate body is disposed on the back plate, the first opening is disposed on the first plate body, and the light source is disposed on the second plate. Physically.
  • the liquid crystal display device includes a backlight module.
  • the backlight module includes: a light source; a heat dissipation plate, and the light source is disposed on the heat dissipation plate.
  • the heat dissipation plate is provided with a first opening; the back plate, the heat dissipation plate is disposed on the back plate, the second opening is disposed on the back plate, and the second opening is overlapped with the first opening; the elastic clamp passes through the elastic clamp The first opening and the second opening sandwich the two sides of the heat dissipation plate and the back plate to fix the heat dissipation plate to the back plate.
  • the elastic clamp is formed by bending a wire.
  • the elastic clamp comprises: a first clamping portion, the first clamping portion is supported on the upper side of the heat dissipation plate; the two first connecting portions and the two first connecting portions respectively Connecting one end of the first clamping portion and extending in a direction of an upper side of the vertical heat dissipation plate and passing through the first opening and the second opening; two second clamping portions, two second clamping portions being disposed On the two sides of the two first connecting portions, and respectively abutting the lower side of the backboard; the two second connecting portions, the two second connecting portions are respectively connected to a first connecting portion and a second clamping portion, The two second connecting portions are bent toward the first clamping portion to make the first clamping The distance between the portion and the second clamping portion in the direction of the side surface of the vertical heat dissipation plate is smaller than the extending distance of the two first connecting portions.
  • the first clamping portion has an arc structure
  • the second clamping portion has a dome shape structure
  • first clamping portion and the second clamping portion are located in the same space in the two spaces defined by the planes of the two first connecting portions.
  • the heat dissipation plate is further provided with a first sliding slot connecting the first opening and the edge of the heat dissipation plate
  • the back plate is further provided with a third opening and a second sliding slot connecting the second opening and the third opening
  • the three openings are arranged to allow the first clamping portion to pass through the third opening, and the first sliding groove and the second sliding groove are overlapped to allow the first connecting portion after the first clamping portion passes through the third opening
  • the first sliding slot and the second sliding slot are slid into the first opening and the second opening.
  • the distance between the outer edges of the two first connecting portions is greater than the width of the first sliding slot and the second sliding slot, and the edge of the heat dissipation plate is provided with an inverted V-shaped opening, and the first sliding slot is connected to the first opening and the inverted A V-shaped opening, the inverted V-shaped opening is used to guide the two first connecting portions into the first sliding slot and the second sliding slot.
  • the upper side of the heat dissipation plate includes a first upper side surface, a second upper side surface that is convex relative to the first upper side surface, and a connecting surface that connects the first upper side surface and the second upper side surface, and the first clamping portion is supported on the second side On the side.
  • the connecting surface is a slope.
  • the backlight module includes a plurality of elastic clamps, and the plurality of elastic clamps are integrally bent from the wire.
  • the invention has the following advantages: the backlight module and the liquid crystal display device provided by the present invention can clamp the mutual heat dissipation plate and the back plate by using elastic clamps disposed in the openings of the heat dissipation plate and the back plate. The two sides are away from each other, and the heat sink is fixed at a specified position on the backboard, so that the quick assembly of the heat sink can be achieved.
  • FIG. 1 is a perspective view showing an exploded state of a first embodiment of a backlight module according to the present invention.
  • FIG. 2 is a partial cross-sectional view showing the assembled state of the first embodiment of the backlight module according to the present invention.
  • 3 is a perspective view showing the assembly process of the first embodiment of the backlight module according to the present invention.
  • 4 is another perspective view of the assembly process of the first embodiment of the backlight module according to the present invention.
  • 5 is a perspective view of a resilient jig of a second embodiment of a backlight module in accordance with the present invention.
  • FIG. 6 is a front elevational view of a resilient clamp of a second embodiment of a backlight module in accordance with the present invention.
  • FIG. 1 is a perspective view showing an exploded state of a first embodiment of a backlight module according to the present invention
  • FIG. 2 is a partial cross-sectional view showing the assembled state of the first embodiment of the backlight module according to the present invention.
  • the backlight module of this embodiment includes: a light source 11, a heat dissipation plate 12, a back plate 13, and an elastic clamp 14.
  • the first opening 121 is disposed on the heat dissipation plate 12, and the second opening 131 is disposed on the back plate 13.
  • the light source 11 is disposed on the heat dissipation plate 12, and the heat dissipation plate 12 is disposed on the back plate 13.
  • the second opening 131 is disposed to overlap the first opening 121.
  • the elastic clamp 14 passes through the first opening 121 and the second opening 131, and clamps the two sides of the heat dissipation plate 12 and the back plate 13 away from each other, thereby fixing the heat dissipation plate 12 to the back plate 13.
  • the light source 11 is an LED light bar including a plurality of LEDs
  • the heat dissipation plate 12 is an L-shaped aluminum extruded heat sink, and specifically includes a first plate body 122 and a second plate perpendicular to the first plate body 122.
  • the first plate 122 is disposed on the back plate 13 , the first opening 121 is formed in the first plate 122 , and the light source 11 is disposed on the second plate 123 .
  • those skilled in the art can design other shapes of heat dissipation plates or use other kinds of light sources as needed, and the present invention does not Be specifically limited.
  • the elastic jig 14 includes a first clamping portion 141, two second clamping portions 142, two first connecting portions 143, and two second connecting portions 144.
  • the first clamping portion 141 is supported on the upper side surface of the heat dissipation plate 12 and is specifically supported on the upper side surface of the first plate body 122.
  • the two first connecting portions 143 are respectively connected to one end of the first holding portion 141, and extend in the direction of the upper side of the vertical heat radiating plate 12 and pass through the first opening 121 and the second opening 131.
  • the two second clamping portions 142 are respectively disposed on both sides of the two first connecting portions 143 and abut against the lower sides of the back plate 13, respectively.
  • the two second connecting portions 144 are respectively connected to a first connecting portion 143 and a second clamping portion 142.
  • the two second connecting portions 144 are bent toward the first clamping portion 141 so that the first clamping portion 141 is
  • the distance of the second clamping portion 142 in the direction of the upper side of the vertical heat dissipation plate 12 is smaller than the extension distance of the two first connection portions 143.
  • the elastic jig 14 can be bent from a wire, and the molding method has the advantages of being simple, convenient, and low in cost.
  • the distance between the first clamping portion 141 and the second clamping portion 142 in the direction of the upper side surface of the vertical heat dissipation plate 12 is set to be smaller than the heat dissipation plate at the first opening 121 and the second opening 131.
  • the sum of the thicknesses of the backing plate 13 and the backing plate 13 is such that when the first clamping portion 141 and the second clamping portion 142 are respectively supported on the upper side of the heat dissipation plate 12 and the lower side of the back plate 13, the first connecting portion 143 and The second connecting portion 144 provides an effective elastic restoring force for the first clamping portion 141 and the second clamping portion 142, so that the first clamping portion 141 and the second clamping portion 142 firmly clamp the heat dissipation plate 12 and the back Board 13.
  • the first clamping portion 141 is an arc structure
  • the second clamping portion 142 is a ⁇ -shaped structure
  • the first clamping portion 141 and the second clamping portion 142 are preferably located by the two first connections.
  • the portion 143 is located in the same space in the two spaces divided by the plane.
  • the first clamping portion 141 and the second clamping portion 142 are disposed in different spaces in the two spaces divided by the plane in which the two first connecting portions 143 are located.
  • the person skilled in the art can also design to pass through the first opening according to actual needs.
  • the elastic member 14 is not limited to the other one, and the second opening 131 is used to replace the elastic jigs 14 of the two sides of the heat dissipating plate 12 and the back plate 13 .
  • the heat dissipation plate 12 is further provided with a first sliding groove 124 connecting the first opening 121 and the edge of the heat dissipation plate 12 (specifically, the edge of the first plate 122 ).
  • the back plate 13 is provided with a third opening 132 and a second sliding groove 133 connecting the second opening 131 and the third opening 132.
  • the third opening 132 is disposed to allow the first clamping portion 141 to pass through the third opening 132, and the first sliding groove 124 and the second sliding groove 133 are overlapped to allow the first clamping portion of the elastic clamp 14 After passing through the third opening 132 , the first connecting portion 143 slides into the first opening 121 and the second opening 131 via the first sliding slot 124 and the second sliding slot 133 .
  • the distance between the outer edges of the two first connecting portions 143 is greater than the widths of the first chute 124 and the second chute 133 to avoid After the connecting portion 143 slides to the first opening 121 and the second opening 131, the two first connecting portions 143 re-enter the first sliding slot 124 and the second sliding slot 133 under the action of an external force. Therefore, in order to facilitate the entry of the two first connecting portions 143 into the first sliding slot 124 and the second sliding slot 133, the edge of the heat dissipation plate 12 is provided with an inverted V-shaped opening 125, and the first sliding slot 124 is connected to the first opening 121 and inverted. The V-shaped opening 125, the inverted V-shaped opening 125 can guide the first connecting portion 143 into the first chute 124 and the second chute 133.
  • the purpose of providing the inverted V-shaped opening 125, the first chute 124, the third opening 132, and the second chute 133 is to facilitate the assembly of the elastic jig 14 in the elastic clamp 14 by other means. In the case where it is provided in the first opening 121 and the second opening 131, the above arrangement can be omitted.
  • FIG. 3 is a perspective view showing the assembly process of the first embodiment of the backlight module according to the present invention
  • FIG. 4 is another perspective view of the assembly process of the backlight module according to the first embodiment of the present invention.
  • the heat dissipation plate 12 is first disposed on the back plate 13, and the first opening 121 and the second opening 131 are overlapped, and the first sliding groove 124 overlaps with the second sliding groove 133.
  • the inverted V-shaped opening 125 covers the connection position of the third opening 132 and the second sliding slot 133.
  • the first clamping portion 141 of the elastic clamp 14 is passed through the third opening 132 and the inverted V-shaped opening 125 from the lower side of the backing plate 13,
  • the two first connecting portions 143 are disposed in the third opening 132.
  • the elastic jig 14 is pushed.
  • the inverted V-shaped opening 125 is caused to abut against the two first connecting portions 143 , so that the two first connecting portions 143 are guided closer to each other under the guiding of the inverted V-shaped opening 125 , and enter the first sliding slot 124 and the second sliding slot 133 . .
  • the elastic clamp 14 is pushed, so that the two first connecting portions 143 move along the first sliding groove 124 and the second sliding groove 133 which are disposed to overlap each other, and finally enter the first opening 121 and the second opening 131, thereby
  • the heat sink 12, the back plate 13, and the elastic jig 14 are formed in the final form shown in FIG.
  • the upper side 122 of the heat dissipation plate 12 is a stepped structure, and specifically includes a first upper side 126, a second upper side 128 protruding from the first upper side 126, and a first upper side 126 and a first connection
  • the first clamping portion 141 is ultimately supported on the second upper side 128.
  • the connecting surface 127 is preferably a sloped surface for guiding the first clamping portion 141 during the movement of the elastic clamp 14.
  • the backlight module provided by the present invention can clamp the two sides of the heat dissipation plate 12 and the back plate 13 away from each other by the elastic clamp 14 disposed in the first opening 121 of the heat dissipation plate 12 and the second opening 131 of the back plate 13. Further, the heat dissipation plate 12 is fixed to a designated position on the back plate 13, so that the quick assembly of the heat dissipation plate 13 can be achieved. In addition, the pressure clamp area of the elastic clamp 14 provided by the present invention is relatively large, so that the pressure uniformity on the heat dissipation plate can be improved, thereby improving the temperature uniformity of the backlight module.
  • FIG. 5 is a perspective view of a resilient jig of a second embodiment of a backlight module according to the present invention
  • FIG. 6 is a front elevational view of the elastic jig of the second embodiment of the backlight module according to the present invention.
  • the backlight module of this embodiment includes a plurality of elastic clamps 24 arranged in series, and the plurality of elastic clamps 24 are integrally bent by a wire.
  • the elastic jigs 24 arranged in series are more convenient to assemble, and the pressure area can be further increased, and the sandwiching effect between the back plate and the heat radiating plate and the pressure uniformity can be improved.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Description

一种背光模组及液晶显示装置
【技术领域】
本发明涉及液晶显示技术领域， 特别是涉及一种用于液晶显示装置的背光 模组及液晶显示装置。
【背景技术】
目前， 液晶显示装置凭借轻薄、 省电、 低辐射等优点， 已广泛应用于电脑 显示器、 电视机、 笔记本电脑、 移动电话、 数码相机等各种电子产品。 由于液 晶本身不发光， 因此需要背光模组为液晶显示装置提供照明。
在现有背光模组中， 由于光源的发热量较大， 通常需要将光源固定于散热 板（例如， 铝挤型散热板）上， 以利用散热板对光源发出的热量进行散热。 然 而， 在现有技术中， 往往釆用螺丝固定方式将散热板固定到背光模组的背板上， 而这种固定方式的装配工时较长， 极大地降低了生产效率。 此外， 螺丝固定方 式的压力面积相对较小， 导致散热板上的压力不均匀， 进而在散热板与背板之 间形成不同热阻的散热通道， 导致背光模组的温度不均匀。
因此， 亟需提供一种背光模组及液晶显示装置， 以解决现有背光模组中散 热板与背板的装配工时过长的技术问题。
【发明内容】
本发明主要解决的技术问题是提供一种背光模组及液晶显示装置， 以解决 现有背光模组中散热板与背板的装配工时过长的技术问题。
为解决上述技术问题，本发明釆用的一个技术方案是：提供一种背光模组， 背光模组包括： 光源； 散热板， 散热板包括第一板体以及垂直于第一板体的第 二板体， 第一板体上设有第一开孔， 光源设置于第二板体上； 背板， 散热板的 第一板体设置于背板上， 背板上设有第二开孔， 第二开孔与第一开孔重叠设置； 弹性夹具， 弹性夹具由一线材弯折而成， 弹性夹具包括一个第一夹持部、 两个 第二夹持部、 两个第一连接部、 两个第二连接部， 第一夹持部支撑于第一板体 的上侧面上， 两个第一连接部分别连接第一夹持部的一端， 且在垂直第一板体 的上侧面的方向上延伸并穿过第一开孔和第二开孔， 两个第二夹持部设置于两 个第一连接部的两侧， 并分别与背板的下侧面抵接， 两个第二连接部分别连接 一第一连接部与一第二夹持部， 两个第二连接部朝向第一夹持部弯折， 以使第 一夹持部与第二夹持部在垂直第一板体的上侧面的方向上的距离小于两个第一 连接部的延伸距离， 进而将散热板固定于背板上。
为解决上述技术问题， 本发明釆用的另一个技术方案是： 提供一种背光模 组， 背光模组包括： 光源； 散热板， 光源设置于散热板上， 散热板上设有第一 开孔； 背板， 散热板设置于背板上， 背板上设有第二开孔， 第二开孔与第一开 孔重叠设置； 弹性夹具， 弹性夹具穿过第一开孔和第二开孔， 夹持散热板与背 板的相互远离的两侧面， 以将散热板固定于背板上。
其中， 弹性夹具由一线材弯折而成， 弹性夹具包括： 第一夹持部， 第一夹 持部支撑于散热板的上侧面上； 两个第一连接部， 两个第一连接部分别连接第 一夹持部的一端， 且在垂直散热板的上侧面的方向上延伸并穿过第一开孔和第 二开孔； 两个第二夹持部， 两个第二夹持部设置于两个第一连接部的两侧， 并 分别与背板的下侧面抵接； 两个第二连接部， 两个第二连接部分别连接一第一 连接部与一第二夹持部， 两个第二连接部朝向第一夹持部弯折， 以使第一夹持 部与第二夹持部在垂直散热板上侧面的方向上的距离小于两个第一连接部的延 伸距离。
其中， 第一夹持部为弧形结构， 第二夹持部为 Π形结构。
其中， 第一夹持部和第二夹持部位于由两个第一连接部所在平面划分的两 个空间中的同一个空间内。
其中， 散热板进一步设置有连接第一开孔与散热板的边缘的第一滑槽， 背 板进一步设置有第三开孔以及连接第二开孔与第三开孔的第二滑槽， 第三开孔 设置成允许第一夹持部穿过第三开孔， 第一滑槽和第二滑槽重叠设置， 以允许 在第一夹持部穿过第三开孔后， 第一连接部经第一滑槽和第二滑槽滑动到第一 开孔和第二开孔内。
其中， 两个第一连接部的外侧边缘之间的距离大于第一滑槽和第二滑槽的 宽度，散热板的边缘设置有倒 V形开口，第一滑槽连接第一开孔和倒 V形开口， 倒 V形开口用于导引两个第一连接部进入第一滑槽和第二滑槽。
其中， 散热板的上侧面包括第一上侧面、 相对第一上侧面凸起的第二上侧 面以及连接第一上侧面和第二上侧面的连接面， 第一夹持部支撑于第二上侧面 上。
其中， 连接面为一斜面。
其中， 背光模组包括多个弹性夹具， 多个弹性夹具由线材一体弯折而成。 其中， 散热板包括第一板体以及垂直于第一板体的第二板体， 第一板体设 置于背板上， 第一开孔设置于第一板体上， 光源设置于第二板体上。
为解决上述技术问题， 本发明釆用的另一个技术方案是： 提供一种液晶显 示装置， 液晶显示装置包括一背光模组， 背光模组包括： 光源； 散热板， 光源 设置于散热板上， 散热板上设有第一开孔； 背板， 散热板设置于背板上， 背板 上设有第二开孔， 第二开孔与第一开孔重叠设置； 弹性夹具， 弹性夹具穿过第 一开孔和第二开孔， 夹持散热板与背板的相互远离的两侧面， 以将散热板固定 于背板上。
其中， 弹性夹具由一线材弯折而成， 弹性夹具包括： 第一夹持部， 第一夹 持部支撑于散热板的上侧面上； 两个第一连接部， 两个第一连接部分别连接第 一夹持部的一端， 且在垂直散热板的上侧面的方向上延伸并穿过第一开孔和第 二开孔； 两个第二夹持部， 两个第二夹持部设置于两个第一连接部的两侧， 并 分别与背板的下侧面抵接； 两个第二连接部， 两个第二连接部分别连接一第一 连接部与一第二夹持部， 两个第二连接部朝向第一夹持部弯折， 以使第一夹持 部与第二夹持部在垂直散热板上侧面的方向上的距离小于两个第一连接部的延 伸距离。
其中， 第一夹持部为弧形结构， 第二夹持部为 Π形结构。
其中， 第一夹持部和第二夹持部位于由两个第一连接部所在平面划分的两 个空间中的同一个空间内。
其中， 散热板进一步设置有连接第一开孔与散热板的边缘的第一滑槽， 背 板进一步设置有第三开孔以及连接第二开孔与第三开孔的第二滑槽， 第三开孔 设置成允许第一夹持部穿过第三开孔， 第一滑槽和第二滑槽重叠设置， 以允许 在第一夹持部穿过第三开孔后， 第一连接部经第一滑槽和第二滑槽滑动到第一 开孔和第二开孔内。
其中， 两个第一连接部的外侧边缘之间的距离大于第一滑槽和第二滑槽的 宽度，散热板的边缘设置有倒 V形开口，第一滑槽连接第一开孔和倒 V形开口， 倒 V形开口用于导引两个第一连接部进入第一滑槽和第二滑槽。
其中， 散热板的上侧面包括第一上侧面、 相对第一上侧面凸起的第二上侧 面以及连接第一上侧面和第二上侧面的连接面， 第一夹持部支撑于第二上侧面 上。
其中， 连接面为一斜面。
其中， 背光模组包括多个弹性夹具， 多个弹性夹具由线材一体弯折而成。 本发明的有益效果是： 区别于现有技术， 本发明提供的背光模组及液晶显 示装置可利用设置于散热板和背板上的开孔中的弹性夹具夹持散热板和背板的 相互远离的两侧面， 进而将散热板固定在背板上的指定位置， 使之能够实现散 热板的快速装配。
【附图说明】
为了更清楚地说明本发明实施例中的技术方案， 下面将对实施例描述中所 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发明 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的前提下， 还可以根据这些附图获得其他的附图。 其中：
图 1是根据本发明的背光模组第一实施例的分解状态的立体示意图。
图 2是根据本发明的背光模组第一实施例的组装状态的部分截面示意图。 图 3是根据本发明的背光模组第一实施例的组装过程的一立体示意图。 图 4是根据本发明的背光模组第一实施例的组装过程的另一立体示意图。 图 5是根据本发明的背光模组第二实施例的弹性夹具的立体示意图。
图 6是根据本发明的背光模组第二实施例的弹性夹具的正面示意图。
【具体实施方式】
为了使本发明的目的、 技术方案及优点更加清楚明白， 以下结合附图及实 施例， 对本发明进行进一步详细说明。 应当理解， 此处所描述的具体实施例仅 仅用以解释本发明， 并不用于限定本发明。
请参见图 1和图 2,图 1是根据本发明的背光模组第一实施例的分解状态的 立体示意图， 图 2是根据本发明的背光模组第一实施例的组装状态的部分截面 示意图。 如图 1和图 2所示， 本实施例的背光模组包括： 光源 11、 散热板 12、 背板 13以及弹性夹具 14。 其中， 散热板 12上设置有第一开孔 121 , 背板 13上 设置有第二开孔 131。
在组装状态下， 光源 11设置于散热板 12上， 散热板 12设置于背板 13上。 第二开孔 131与第一开孔 121重叠设置。 弹性夹具 14穿过第一开孔 121和第二 开孔 131 , 夹持散热板 12与背板 13的相互远离的两侧面， 进而将散热板 12固 定于背板 13上。 在本实施例中， 光源 11为包括多个 LED的 LED灯条， 散热板 12为 L形的铝挤散热板， 且具体包括第一板体 122以及垂直于第一板体 122的 第二板体 123。 其中， 第一板体 122设置于背板 13上， 第一开孔 121形成于第 一板体 122中， 光源 11设置于第二板体 123上。 但， 本领域技术人员完全可以 根据需要设计出其他形状的散热板或者釆用其他种类的光源， 本发明对此并不 作具体限定。
如图 2所示， 弹性夹具 14包括第一夹持部 141、 两个第二夹持部 142、 两 个第一连接部 143以及两个第二连接部 144。 第一夹持部 141支撑于散热板 12 的上侧面上， 并具体支撑于第一板体 122的上侧面上。 两个第一连接部 143分 别连接第一夹持部 141的一端， 且在垂直散热板 12的上侧面的方向上延伸并穿 过第一开孔 121和第二开孔 131。两个第二夹持部 142分别设置于两个第一连接 部 143的两侧， 并分别与背板 13的下侧面抵接。 两个第二连接部 144分别连接 一第一连接部 143与一第二夹持部 142 , 两个第二连接部 144朝向第一夹持部 141弯折， 以使第一夹持部 141与第二夹持部 142在垂直散热板 12的上侧面的 方向上的距离小于两个第一连接部 143 的延伸距离。 在本实施例中， 弹性夹具 14可由一线材弯折而成， 而这种成型方法具有制造简单、 方便且成本低廉的优 点。
进一步， 在自然状态下， 第一夹持部 141与第二夹持部 142在垂直散热板 12上侧面的方向上的距离设置为小于第一开孔 121和第二开孔 131处的散热板 12和背板 13的厚度之和，以使得在第一夹持部 141与第二夹持部 142分别支撑 于散热板 12的上侧面与背板 13的下侧面时，第一连接部 143和第二连接部 144 为第一夹持部 141和第二夹持部 142提供有效的弹性回复力， 进而使得第一夹 持部 141和第二夹持部 142牢固地夹持散热板 12与背板 13。
在本实施例中， 第一夹持部 141为弧形结构， 第二夹持部 142为 π形结构， 且第一夹持部 141和第二夹持部 142优选位于由两个第一连接部 143所在平面 划分的两个空间中的同一个空间内。 通过上述方式， 可以保证弹性夹具 14能够 提供有效的夹持力， 并具有较大的压力面积。 然而， 值得注意的是， 上述方式 仅为本发明众多实施方式中之一种， 本领域技术人员完全可以根据实际需要将 第一夹持部 141和第二夹持部 142设置为其他形状或者将第一夹持部 141和第 二夹持部 142设置于由两个第一连接部 143所在平面划分的两个空间中的不同 空间内。 此外， 本领域技术人员还可以根据实际需要设计出能够穿过第一开孔 121和第二开孔 131后夹持散热板 12与背板 13的相互远离的两侧面的其他弹性 夹具来代替上述弹性夹具 14 , 本发明对此并不作具体限定。
请继续参见图 1 , 为了便于弹性夹具 14的组装，散热板 12进一步设置有连 接第一开孔 121与散热板 12的边缘（具体为第一板体 122的边缘）的第一滑槽 124。 背板 13设置有第三开孔 132以及连接第二开孔 131与第三开孔 132的第 二滑槽 133。其中，第三开孔 132设置成允许第一夹持部 141穿过第三开孔 132, 第一滑槽 124和第二滑槽 133重叠设置，以允许在弹性夹具 14的第一夹持部 141 穿过第三开孔 132后， 第一连接部 143经第一滑槽 124和第二滑槽 133滑动到 第一开孔 121和第二开孔 131内。
进一步， 在本实施例中， 在自然状态下， 两个第一连接部 143 的外侧边缘 之间的距离大于第一滑槽 124和第二滑槽 133的宽度， 以避免在将两个第一连 接部 143滑动到第一开孔 121和第二开孔 131后， 两个第一连接部 143在外力 作用下重新进入第一滑槽 124和第二滑槽 133。 因此， 为了便于两个第一连接部 143进入第一滑槽 124和第二滑槽 133 ,散热板 12的边缘设置有倒 V形开口 125 , 第一滑槽 124连接第一开孔 121和倒 V形开口 125 , 倒 V形开口 125可导引第 一连接部 143进入第一滑槽 124和第二滑槽 133。
然而， 值得注意的是， 设置倒 V形开口 125、 第一滑槽 124、 第三开孔 132、 第二滑槽 133的目的是为了便于弹性夹具 14的组装， 在弹性夹具 14能够通过 其他方式设置于第一开孔 121和第二开孔 131内的情况下， 可以省略上述设置。
请参见图 3-4, 图 3是根据本发明的背光模组第一实施例的组装过程的一立 体示意图， 图 4根据本发明的背光模组第一实施例的组装过程的另一立体示意 图。
如图 3所示， 在组装过程中， 首先将散热板 12设置于背板 13上， 并使第 一开孔 121和第二开孔 131重叠， 第一滑槽 124与第二滑槽 133重叠， 且倒 V 形开口 125覆盖于第三开孔 132与第二滑槽 133的连接位置。 随后， 将弹性夹 具 14的第一夹持部 141从背板 13的下侧面穿过第三开孔 132和倒 V形开口 125 , 并使得两个第一连接部 143穿设于第三开孔 132中。 随后， 推动弹性夹具 14。 使得倒 V形开口 125顶抵两个第一连接部 143 , 进而使得两个第一连接部 143 在倒 V形开口 125导引下彼此靠拢， 并进入第一滑槽 124与第二滑槽 133。 随 后， 推动弹性夹具 14, 使得两个第一连接部 143沿着相互重叠设置的第一滑槽 124和第二滑槽 133移动， 并最终进入第一开孔 121和第二开孔 131 , 从而使得 散热板 12、 背板 13以及弹性夹具 14形成图 4所示之最终形态。
在本实施例中， 散热板 12的上侧面 122为一台阶结构， 且具体包括第一上 侧面 126、 相对第一上侧面 126凸起的第二上侧面 128以及连接第一上侧面 126 和第二上侧面 128的连接面 127。第一夹持部 141最终支撑于第二上侧面 128上。 其中， 连接面 127优选为一斜面， 以在弹性夹具 14的移动过程中， 对第一夹持 部 141起到导引作用。
本发明提供的背光模组可利用设置于散热板 12的第一开孔 121和背板 13 的第二开孔 131中的弹性夹具 14夹持散热板 12和背板 13的相互远离的两侧面， 进而将散热板 12固定在背板 13上的指定位置， 使之能够实现散热板 13的快速 装配。 此外， 本发明提供的弹性夹具 14的压力面积相对较大， 因此可提高散热 板上的压力均匀性， 进而提高背光模组的温度均匀性。
请参见图 5-6, 其中图 5是根据本发明的背光模组第二实施例的弹性夹具的 立体示意图， 图 6是根据本发明的背光模组第二实施例的弹性夹具的正面示意 图。 本实施例的背光模组包括串联设置的多个弹性夹具 24, 并且该多个弹性夹 具 24由一线材一体弯折而成。 在本实施例中， 串联设置的弹性夹具 24更便于 组装， 且能够进一步增加压力面积， 并提高背板和散热板之间的夹持效果以及 压力均匀性。
以上所述仅为本发明的较佳实施例而已， 并不用以限制本发明， 凡在本发 明的精神和原则之内所作的任何修改、 等同替换和改进等， 均应包含在本发明 的保护范围之内。

Claims

权 利 要求
1.一种背光模组， 其特征在于， 所述背光模组包括：
光源；
散热板， 所述散热板包括第一板体以及垂直于所述第一板体的第二板体， 所述第一板体上设有第一开孔， 所述光源设置于所述第二板体上；
背板， 所述散热板的所述第一板体设置于所述背板上， 所述背板上设有第 二开孔， 所述第二开孔与所述第一开孔重叠设置；
弹性夹具， 所述弹性夹具由一线材弯折而成， 所述弹性夹具包括一个第一 夹持部、 两个第二夹持部、 两个第一连接部、 两个第二连接部， 所述第一夹持 部支撑于所述第一板体的上侧面上， 所述两个第一连接部分别连接所述第一夹 持部的一端， 且在垂直所述第一板体的上侧面的方向上延伸并穿过所述第一开 孔和所述第二开孔， 所述两个第二夹持部设置于所述两个第一连接部的两侧， 并分别与所述背板的下侧面抵接， 所述两个第二连接部分别连接一所述第一连 接部与一所述第二夹持部， 所述两个第二连接部朝向所述第一夹持部弯折， 以 使所述第一夹持部与所述第二夹持部在垂直所述第一板体的上侧面的方向上的 距离小于所述两个第一连接部的延伸距离， 进而将所述散热板固定于所述背板 上。
2. 一种背光模组， 其特征在于， 所述背光模组包括：
光源；
散热板， 所述光源设置于所述散热板上， 所述散热板上设有第一开孔； 背板， 所述散热板设置于所述背板上， 所述背板上设有第二开孔， 所述第 二开孔与所述第一开孔重叠设置；
弹性夹具， 所述弹性夹具穿过所述第一开孔和所述第二开孔， 夹持所述散 热板与所述背板的相互远离的两侧面， 以将所述散热板固定于所述背板上。
3. 根据权利要求 2所述的背光模组， 其特征在于， 所述弹性夹具由一线材 弯折而成， 所述弹性夹具包括： 第一夹持部， 所述第一夹持部支撑于所述散热板的上侧面上；
两个第一连接部， 所述两个第一连接部分别连接所述第一夹持部的一端，
孔；
两个第二夹持部， 所述两个第二夹持部设置于所述两个第一连接部的两侧， 并分别与所述背板的下侧面抵接；
两个第二连接部， 所述两个第二连接部分别连接一所述第一连接部与一所 述第二夹持部， 所述两个第二连接部朝向所述第一夹持部弯折， 以使所述第一 夹持部与所述第二夹持部在垂直所述散热板上侧面的方向上的距离小于所述两 个第一连接部的延伸距离。
4. 根据权利要求 3所述的背光模组， 其特征在于， 所述第一夹持部为弧形 结构， 所述第二夹持部为 π形结构。
5. 根据权利要求 4所述的背光模组， 其特征在于， 所述第一夹持部和所述 第二夹持部位于由所述两个第一连接部所在平面划分的两个空间中的同一个空 间内。
6. 根据权利要求 3所述的背光模组， 其特征在于， 所述散热板进一步设置 有连接所述第一开孔与所述散热板的边缘的第一滑槽， 所述背板进一步设置有 第三开孔以及连接所述第二开孔与所述第三开孔的第二滑槽， 所述第三开孔设 置成允许所述第一夹持部穿过所述第三开孔， 所述第一滑槽和所述第二滑槽重 叠设置， 以允许在所述第一夹持部穿过所述第三开孔后， 所述第一连接部经所 述第一滑槽和所述第二滑槽滑动到所述第一开孔和所述第二开孔内。
7. 根据权利要求 6所述的背光模组， 其特征在于， 所述两个第一连接部的 外侧边缘之间的距离大于所述第一滑槽和所述第二滑槽的宽度， 所述散热板的 边缘设置有倒 V形开口， 所述第一滑槽连接所述第一开孔和所述倒 V形开口， 所述倒 V形开口用于导引所述两个第一连接部进入所述第一滑槽和所述第二滑 槽。
8. 根据权利要求 6所述的背光模组， 其特征在于， 所述散热板的上侧面包 括第一上侧面、 相对所述第一上侧面凸起的第二上侧面以及连接所述第一上侧 面和所述第二上侧面的连接面， 所述第一夹持部支撑于所述第二上侧面上。
9. 根据权利要求 8所述的背光模组， 其特征在于， 所述连接面为一斜面。
10. 根据权利要求 3所述的背光模组， 其特征在于， 所述背光模组包括多个 所述弹性夹具， 所述多个弹性夹具由所述线材一体弯折而成。
11. 根据权利要求 2所述的背光模组， 其特征在于， 所述散热板包括第一板 体以及垂直于所述第一板体的第二板体， 所述第一板体设置于所述背板上， 所 述第一开孔设置于所述第一板体上， 所述光源设置于所述第二板体上。
12. 一种液晶显示装置， 其特征在于， 所述液晶显示装置包括一背光模组， 所述背光模组包括：
光源；
散热板， 所述光源设置于所述散热板上， 所述散热板上设有第一开孔； 背板， 所述散热板设置于所述背板上， 所述背板上设有第二开孔， 所述第 二开孔与所述第一开孔重叠设置；
弹性夹具， 所述弹性夹具穿过所述第一开孔和所述第二开孔， 夹持所述散 热板与所述背板的相互远离的两侧面， 以将所述散热板固定于所述背板上。
13. 根据权利要求 12所述的液晶显示装置， 其特征在于， 所述弹性夹具由 一线材弯折而成， 所述弹性夹具包括：
第一夹持部， 所述第一夹持部支撑于所述散热板的上侧面上；
两个第一连接部， 所述两个第一连接部分别连接所述第一夹持部的一端，
孔；
两个第二夹持部， 所述两个第二夹持部设置于所述两个第一连接部的两侧， 并分别与所述背板的下侧面抵接；
两个第二连接部， 所述两个第二连接部分别连接一所述第一连接部与一所 述第二夹持部， 所述两个第二连接部朝向所述第一夹持部弯折， 以使所述第一 夹持部与所述第二夹持部在垂直所述散热板上侧面的方向上的距离小于所述两 个第一连接部的延伸距离。
14. 根据权利要求 13所述的液晶显示装置， 其特征在于， 所述第一夹持部 为弧形结构， 所述第二夹持部为 π形结构。
15. 根据权利要求 14所述的液晶显示装置， 其特征在于， 所述第一夹持部 和所述第二夹持部位于由所述两个第一连接部所在平面划分的两个空间中的同 一个空间内。
16. 根据权利要求 13所述的液晶显示装置， 其特征在于， 所述散热板进一 步设置有连接所述第一开孔与所述散热板的边缘的第一滑槽， 所述背板进一步 设置有第三开孔以及连接所述第二开孔与所述第三开孔的第二滑槽， 所述第三 开孔设置成允许所述第一夹持部穿过所述第三开孔， 所述第一滑槽和所述第二 滑槽重叠设置， 以允许在所述第一夹持部穿过所述第三开孔后， 所述第一连接 部经所述第一滑槽和所述第二滑槽滑动到所述第一开孔和所述第二开孔内。
17. 根据权利要求 16所述的液晶显示装置， 其特征在于， 所述两个第一连 接部的外侧边缘之间的距离大于所述第一滑槽和所述第二滑槽的宽度， 所述散 热板的边缘设置有倒 V形开口， 所述第一滑槽连接所述第一开孔和所述倒 V形 开口， 所述倒 V形开口用于导引所述两个第一连接部进入所述第一滑槽和所述 第二滑槽。
18. 根据权利要求 16所述的液晶显示装置， 其特征在于， 所述散热板的上 侧面包括第一上侧面、 相对所述第一上侧面凸起的第二上侧面以及连接所述第 一上侧面和所述第二上侧面的连接面， 所述第一夹持部支撑于所述第二上侧面 上。
19. 根据权利要求 18所述的液晶显示装置， 其特征在于， 所述连接面为一 斜面。
20. 根据权利要求 13所述的液晶显示装置， 其特征在于， 所述背光模组包 括多个所述弹性夹具， 所述多个弹性夹具由所述线材一体弯折而成。
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