CN114690483A - Backlight module and display device - Google Patents

Backlight module and display device Download PDF

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Publication number
CN114690483A
CN114690483A CN202210371280.1A CN202210371280A CN114690483A CN 114690483 A CN114690483 A CN 114690483A CN 202210371280 A CN202210371280 A CN 202210371280A CN 114690483 A CN114690483 A CN 114690483A
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CN
China
Prior art keywords
light
back plate
circuit board
backlight module
light source
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.)
Pending
Application number
CN202210371280.1A
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Chinese (zh)
Inventor
吕界
袁海江
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.)
HKC Co Ltd
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HKC 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 HKC Co Ltd filed Critical HKC Co Ltd
Priority to CN202210371280.1A priority Critical patent/CN114690483A/en
Publication of CN114690483A publication Critical patent/CN114690483A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The invention discloses a backlight module and a display device, wherein the backlight module comprises a back plate and a light source structure, the back plate is provided with a back surface and an installation surface opposite to the back surface, the light source structure comprises a light emitting part, the installation surface is provided with an installation hole in a penetrating way, the light source structure is detachably installed on the back surface of the back plate, and at least part of the light emitting part protrudes from the installation hole to provide light on one side of the installation surface of the back plate; meanwhile, due to the fact that the disassembling difficulty is reduced, when an operator disassembles the light source structure, the light source structure cannot be damaged, and material loss can be reduced.

Description

Backlight module and display device
Technical Field
The invention relates to the technical field of display, in particular to a backlight module and a display device.
Background
The conventional backlight module generally comprises a back plate, a light bar, a reflector plate, a light guide plate and a plurality of optical films. Under general conditions, the opening of the back plate for attaching the light bar is small, and the light bar is inconvenient to operate for the first attachment; when the lamp strip is bad/damaged and needs to be replaced, the diaphragm and the light guide plate part need to be taken down firstly, and the lamp strip can be reworked, so that the labor cost is increased, and the lamp strip is easy to tear off when torn off, so that the material loss is caused.
Disclosure of Invention
The invention mainly aims to provide a backlight module and a display device, and aims to solve the problems that the lamp strip of the conventional backlight module is high in mounting and dismounting difficulty and is easy to damage during dismounting.
In order to achieve the above object, the present invention provides a backlight module, which includes a back plate and a light source structure, wherein the back plate has a back surface and a mounting surface opposite to the back surface, the light source structure includes a light emitting portion, a mounting hole is formed through the mounting surface, the light source structure is detachably mounted on the back surface of the back plate, and at least a portion of the light emitting portion protrudes from the mounting hole to provide light on one side of the mounting surface of the back plate.
Optionally, the rear panel includes a rear panel main body, a first rear panel bending portion extending from an end of the rear panel main body in a bending manner along a direction of a thickness of the rear panel main body, and a second rear panel bending portion connected to the first rear panel bending portion and disposed opposite to the rear panel main body;
the mounting hole is formed in the bent part of the first back plate;
the light source structure comprises a light bar circuit board and a lamp bead arranged on the light bar circuit board, and the light bar circuit board is detachably arranged on the bent part of the first back plate;
wherein, the illuminating part comprises the lamp bead.
Optionally, a first adhesive tape is arranged between the light bar circuit board and the first back plate bending part; and/or the presence of a gas in the gas,
and a magnetic attraction structure is arranged between the light bar circuit board and the first back plate bending part.
Optionally, the backlight module further includes a connection structure, a part of the connection structure is connected to the second back plate bending portion, and a part of the connection structure is connected to the light bar circuit board, so that the light bar circuit board abuts against the first back plate bending portion.
Optionally, connection structure includes the second viscose area, the second viscose area is the setting of buckling, including being two relative first viscose sections that set up and connecting two the second viscose section of first viscose section, two first viscose section corresponds respectively to be located the backplate main part with second backplate kink, the second viscose section glues to be located lamp strip circuit board dorsad the side of lamp pearl.
Optionally, the second adhesive tape is made of a heat dissipation material.
Optionally, the light source structure comprises a light bar circuit board and a light bead, the light bar circuit board comprises a circuit board body and a light bar heat dissipation layer arranged on one side of the circuit board body, and the light bead is arranged on one side of the circuit board body, which is back to the light bar heat dissipation layer;
wherein, the illuminating part comprises the lamp bead.
Optionally, the backlight module further includes a film structure, and the film structure includes:
the reflector plate is arranged on the mounting surface;
the light guide plate is arranged on one side, back to the mounting surface, of the reflector plate, and the light incident side of the light guide plate is arranged towards one side of the light source structure; and (c) a second step of,
the optical film is arranged on the light emitting side of the light guide plate, and the light incident side of the optical film faces the light guide plate.
Optionally, the backlight module comprises a side-in backlight module.
The invention also provides a display device, which comprises a backlight module and a display module, wherein the backlight module comprises a back plate and a light source structure, the back plate is provided with a back surface and a mounting surface opposite to the back surface, the light source structure comprises a light emitting part, a mounting hole penetrates through the mounting surface, the light source structure is detachably mounted on the back surface of the back plate, and at least part of the light emitting part is exposed in the mounting hole so as to provide light on one side of the mounting surface of the back plate; the display module is arranged corresponding to one side of the mounting surface of the back plate of the backlight module.
In the technical scheme provided by the invention, the mounting hole is formed in the back plate, the light source structure is mounted on the back surface of the back plate, and the light emitting part of the light source structure at least partially protrudes from the mounting hole; meanwhile, due to the fact that the disassembling difficulty is reduced, when an operator disassembles the light source structure, the light source structure cannot be damaged, and material loss can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a backlight module according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a backlight module according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a backlight module according to a third embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a backlight module according to a fourth embodiment of the present invention;
FIG. 5 is a schematic view of the assembly of the backplate and diaphragm structure provided by the present invention;
fig. 6 is a schematic structural diagram of a display device according to an embodiment of the present invention.
The reference numbers illustrate:
1000 display device 22 Lamp strip circuit board
100 Backlight module 221 Circuit board body
1 Back plate 222 Heat dissipation layer of light bar
11 Back side of the plate 3 First adhesive tape
12 Mounting surface 4 Magnetic attraction structure
13 Mounting hole 5 Connection structure
14 Back plate main body 51 Second adhesive tape
15 First back plate bending part 6 Diaphragm structure
16 Second back plate bending part 61 Reflector plate
17 Dodging groove 62 Light guide plate
2 Light source structure 63 Optical film
21 Light emitting part 64 Supporting pad
211 Lamp bulb 200 Display module
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Referring to fig. 1 to 5, the backlight module 100 includes a back plate 1 and a light source structure 2, the back plate 1 has a back surface 11 and a mounting surface 12 opposite to the back surface 11, the light source structure 2 includes a light emitting portion 21, the mounting surface 12 has a mounting hole 13 formed therethrough, the light source structure 2 is detachably mounted on the back surface 11 of the back plate 1, and the light emitting portion 21 at least partially protrudes from the mounting hole 13 to provide light on one side of the mounting surface 12 of the back plate 1; with the arrangement, an operator can install and dismantle the light source structure 2 without dismantling other structures, so that the difficulty in installing and dismantling the light source structure 2 is reduced, and the labor cost is saved; meanwhile, due to the fact that the disassembling difficulty is reduced, when the light source structure 2 is disassembled by an operator, the light source structure 2 cannot be damaged, and material loss can be reduced.
The present invention does not limit the specific form of the backlight module 100, and the backlight module may be a direct type backlight module or a side type backlight module, and it should be noted that, in the first to fourth embodiments, the backlight module 100 is configured as a side type backlight module.
Referring to fig. 1 to 5, the back plate 1 includes a back plate main body 14, a first back plate bending portion 15 bent and extended from an end of the back plate main body 14 along a thickness direction thereof, and a second back plate bending portion 16 connected to the first back plate bending portion 15 and disposed opposite to the back plate main body 14; the mounting hole 13 is formed in the first back plate bending part 15; the light source structure 2 comprises a light bar circuit board 22 and a lamp bead 211 arranged on the light bar circuit board 22, and the light bar circuit board 22 is detachably mounted on the first back plate bending part 15; wherein the light emitting part 21 includes the lamp bead 211; it should be noted that, the backlight module 100 is configured as the side-in backlight module 100, and the back plate 1 includes a back plate main body 14, a first back plate bending portion 15, and a second back plate bending portion 16; the mounting hole 13 is formed in the first back plate bending part 15; the light bar circuit board 22 of the light source structure 2 is detachably mounted at the first back plate bending part 15, and the light beads 211 are arranged on the light bar circuit board 22 and protrude from the mounting holes 13; with the arrangement, the function of the lateral backlight module 100 can be realized, and the difficulty in mounting and dismounting the light source structure 2 can be reduced, so that the labor cost is saved.
Referring to fig. 1, in the first embodiment of the present invention, a first adhesive tape 3 is disposed between the light bar circuit board 22 and the first back plate bending portion 15; through first adhesive tape 3 is fixed lamp strip circuit board 22 with first backplate kink 15 can not only realize right the fixed of lamp pearl 211, owing to being in the installation moreover during light source structure 2, first adhesive tape 3 not with lamp pearl 211 direct contact, consequently, dismantling during light source structure 2, can not right lamp pearl 211 causes the damage to can reduce the material loss.
Referring to fig. 2, in the second embodiment of the present invention, a magnetic attraction structure 4 is disposed between the light bar circuit board 22 and the first back plate bending portion 15; the lamp strip circuit board 22 and the first back plate bending part 15 are fixed through the magnetic attraction structure 4, so that not only can the lamp beads 211 be fixed, but also the magnetic attraction structure 4 is not in direct contact with the lamp beads 211 when the light source structure 2 is installed, so that the lamp beads 211 cannot be damaged when the light source structure 2 is disassembled, and material loss can be reduced; meanwhile, in the mounting and dismounting processes, the magnetic attraction structure 4 can not pollute the back plate 1 and the light source structure 2.
Specifically, the magnetic attraction structure 4 includes a first magnetic attraction portion and a second magnetic attraction portion with opposite magnetic poles, where: the first magnetic attraction portion comprises a first back plate bending portion 15 which is provided with a magnetic material, or the first magnetic attraction portion is arranged on the first back plate bending portion 15, the second magnetic repulsion portion comprises a magnetic attraction layer which is arranged on the light bar circuit board 22, and the magnetic attraction layer is arranged on one side, facing the first back plate bending portion 15, of the light bar circuit board 22 and corresponds to a grounding area of the light bar circuit board 22; in some embodiments of the present invention, the material of the first back plate bending portion 15 includes the magnetic material, so that the first back plate bending portion 15 forms the first attractive magnetic portion; in another embodiment of the present invention, the first attracting magnetic part includes a magnet, the magnet is disposed on the first back plate bending part 15, and the material of the magnet includes an ndfeb magnet, a samarium-cobalt magnet, and an alnico magnet; in some embodiments of the present invention, the second magnetically repulsive portion includes a magnetic coating layer, the magnetic coating layer is disposed on a side of the light bar circuit board 22 facing the first back plate bending portion 15, and the material of the magnetic coating layer includes a mixture of iron, cobalt, nickel, and iron, cobalt, and nickel; with such an arrangement, the fixing manner between the light bar circuit board 22 and the first back plate bending portion 15 is simpler.
Specifically, a groove is formed in one side of the first back plate bending portion 15, which faces the light bar circuit board 22, and at a periphery corresponding to the mounting hole, the first magnetic attraction portion is arranged in the groove, and part of the first magnetic attraction portion protrudes out of the notch of the groove; so set up for can produce great magnetic attraction between the first magnetism portion of inhaling mutually and the second magnetism portion of inhaling, make lamp strip circuit board 22 with first backplate kink 15 is fixed more firmly.
Referring to fig. 3 and 4, in the third and fourth embodiments of the present invention, the backlight module 100 further includes a connecting structure 5, a part of the connecting structure 5 is connected to the second back plate bending portion 16, and a part of the connecting structure is connected to the light bar circuit board 22, so that the light bar circuit board 22 abuts against the first back plate bending portion 15; that is, by arranging the connecting structure 5, the light bar circuit board 22 abuts against the first back plate bending part 15, and the light bar circuit board 22 and the second back plate bending part 16 are fixed, so that the lamp bead 211 can be fixed; and the volume of the backlight module 100 can be reduced.
Specifically, the connecting structure 5 includes a second adhesive tape 51, the second adhesive tape 51 is arranged in a bent manner, and includes two first adhesive sections that are arranged oppositely and a second adhesive section that connects the two first adhesive sections, the two first adhesive sections are respectively and correspondingly arranged on the back plate main body 14 and the second back plate bent section 16, and the second adhesive section is adhered to a side surface of the light bar circuit board 22 that faces away from the lamp bead 211; that is to say, the connecting structure 5 is configured as the second adhesive tape 51, two first adhesive sections of the second adhesive tape 51 are respectively and correspondingly disposed on the back plate main body 14 and the second back plate bending portion 16, and a second adhesive section of the second adhesive tape 51 is disposed on a side of the light bar circuit board 22 opposite to the lamp bead 211; the light source structure 2 is attached to the first back plate bending part 15 through the second adhesive tape 51, so that the light bar circuit board 22 and the first back plate bending part 15 are fixed more stably; moreover, because the second viscose section of second viscose area 51 is located lamp strip circuit board 22 dorsad the side of lamp pearl 211, consequently, second viscose area 51 not with lamp pearl 211 direct contact is dismantling light source structure 2, just also can not be right lamp pearl 211 causes the damage to can reduce the material loss.
Please refer to fig. 3 again, in the third embodiment, the second adhesive tape 51 is made of a heat dissipation material; in the working process of the backlight module 100, the second adhesive tape 51 is made of a heat dissipation material, so that heat can be dissipated from the light bar circuit board 22, and not only can the damage to the light source structure 2 caused by overheating of the light source structure 2 due to too long working time be avoided, but also the service life of the light source structure 2 is prolonged; and because the overheated meeting of light source structure 2 leads to the viscose of second adhesive tape 51 melts, thereby makes second adhesive tape 51 became invalid, lamp strip circuit board 22 with the 15 adhesions of first backplate kink are insecure, consequently, will second adhesive tape 51 sets up to the heat dissipation material can make light source structure 2 dispels the heat sooner, can not make the viscose of second adhesive tape 51 melts, thereby prolongs second adhesive tape 51's life, and then improves lamp strip circuit board 22 with the stability of the 15 adhesions of first backplate kink.
Please refer to fig. 4 again, in the fourth embodiment, the light bar circuit board 22 includes a circuit board body 221 and a light bar heat dissipation layer 222 disposed on one side of the circuit board body 221, and the light bead 211 is disposed on one side of the circuit board body 221 opposite to the light bar heat dissipation layer 222; by arranging the light bar heat dissipation layer 222 on the circuit board body 221, heat dissipation of the light source structure 2 is accelerated, and the light source structure 2 is prevented from being damaged due to too low heat dissipation and too high temperature, so that the service life of the light source structure 2 is prolonged.
Specifically, in this embodiment, the second adhesive tape 51 may be a common adhesive tape, or may be a heat dissipation material; the second adhesive tape 51 is a common adhesive tape, and the light bar circuit board 22 includes a circuit board body 221 and a light bar heat dissipation layer 222, so that a heat dissipation effect can be achieved, and meanwhile, the cost can be saved; will second adhesive tape 51 sets up to the heat dissipation material, with lamp strip heat dissipation layer 222 is together, can strengthen right light source structure 2's radiating effect, so that light source structure 2 has better heat-sinking capability under the operating condition of high strength, further prolongs light source structure 2's life.
In the third and fourth embodiments, the second adhesive tape 51 is made of a heat dissipation material, and the heat dissipation material includes a graphene aluminum foil or a graphene copper foil; adopt graphite alkene aluminium foil perhaps graphite alkene copper foil is made second sticky tape 51 not only has better heat-sinking capability, and the cost is lower moreover.
In some embodiments of the present invention, the light source structure 2 includes a light bar circuit board 22 and a light bead 211, the light bar circuit board 22 includes a circuit board body 221 and a light bar heat dissipation layer 222 disposed on one side of the circuit board body 221, and the light bead 211 is disposed on one side of the circuit board body 221 opposite to the light bar heat dissipation layer 222; wherein the light emitting part 21 includes the lamp bead 211; through setting up lamp strip heat dissipation layer 222, to light source structure 2 dispels the heat, thereby avoids making because of operating time overlength light source structure 2 is overheated, thereby leads to light source structure 2 damages, and then prolongs light source structure 2's life.
It should be noted that the light bar heat dissipation layer 222 may be a coating of high thermal conductive ceramic particles or a silica gel heat conductive sheet, and the heat dissipation capability of the light bar heat dissipation layer 222 is better by setting the coating of high thermal conductive ceramic particles or the silica gel heat conductive sheet.
Referring to fig. 1 to 4, the backlight module 100 further includes a film structure 6, where the film structure 6 includes a reflective sheet 61, a light guide plate 62 and an optical film 63; the reflector 61 is arranged on the mounting surface 12; the light guide plate 62 is arranged on one side of the reflection sheet 61, which is opposite to the mounting surface 12, and the light incident side of the light guide plate is arranged towards one side of the light source structure 2; the optical film 63 is disposed on the light exit side of the light guide plate 62, and the light entrance side of the optical film faces the light guide plate 62; in this embodiment, the light source structure 2 is in the installation face 12 of backplate 1 forms light, and light is from the income light side of light guide plate 62 is kicked into, and part is from the light that the play light side of light guide plate 62 was jetted into by reflector plate 61, and is jetted out with another some light from another play light side of light guide plate 62 together, and certainly the income light side of optics diaphragm 63 is jetted into, through behind the processing of optics diaphragm 63 from the play light side of optics diaphragm 63 jets out, so sets up, can realize backlight unit 100's function.
Specifically, the mounting surface 12 of the backplate main body 14 is provided with an avoiding groove 17, the reflector plate 61 is arranged on the mounting surface 12, and at least part of the reflector plate covers the notch of the avoiding groove 17, the diaphragm structure 6 further comprises a supporting pad 64, and the supporting pad 64 is arranged on the bottom wall of the avoiding groove 17 and used for being abutted against the reflector plate 61 so as to support the reflector plate 61; in the invention, the installation space of the light source structure 2 is enlarged by arranging the avoiding groove 17 on the installation surface 12 of the back plate main body 14, so that the installation of the light source structure 2 is more convenient, and meanwhile, the supporting pad 64 is arranged between the bottom wall of the avoiding groove 17 and the reflector plate 61, so that the installation of the diaphragm structure 6 is more stable.
The present invention provides a display device 1000 (please refer to fig. 6), which includes a backlight module 100 and a display module 200, wherein the display module 200 is disposed corresponding to one side of the mounting surface 12 of the back plate 1 of the backlight module 100, and it should be noted that the backlight module 100 adopts the backlight module 100 as described above, that is, the display device 1000 has all the technical features of all the embodiments of the backlight module 100 as described above, and also has all the technical effects brought by all the technical features as described above, which are not described in detail herein.
The above is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall be included in the scope of the present invention.

Claims (10)

1. The utility model provides a backlight unit, includes backplate and light source structure, the backplate have the back and with the installation face that the back is relative, the light source structure includes the illuminating part, its characterized in that, the installation face runs through to be equipped with the mounting hole, light source structure demountable installation in the back of backplate, just the illuminating part is at least partly certainly mounting hole department protrusion sets up, in order to be in one side of the installation face of backplate provides light.
2. The backlight module according to claim 1, wherein the back plate comprises a main body, a first back plate bending portion extending from an end of the main body along a direction of a thickness thereof, and a second back plate bending portion connected to the first back plate bending portion and disposed opposite to the main body;
the mounting hole is formed in the bent part of the first back plate;
the light source structure comprises a light bar circuit board and a lamp bead arranged on the light bar circuit board, and the light bar circuit board is detachably arranged on the bent part of the first back plate;
wherein, the illuminating part comprises the lamp bead.
3. The backlight module of claim 2, wherein a first adhesive tape is disposed between the light bar circuit board and the bent portion of the first back plate; and/or the presence of a gas in the atmosphere,
and a magnetic attraction structure is arranged between the light bar circuit board and the first back plate bending part.
4. The backlight module according to claim 2, further comprising a connection structure, wherein the connection structure is partially connected to the second back plate bending portion and partially connected to the light bar circuit board, so that the light bar circuit board abuts against the first back plate bending portion.
5. The backlight module according to claim 4, wherein the connecting structure comprises a second adhesive tape, the second adhesive tape is bent and includes two first adhesive sections and a second adhesive section, the two first adhesive sections are oppositely disposed and the second adhesive section connects the two first adhesive sections, the two first adhesive sections are correspondingly disposed on the main body of the back plate and the bent portion of the second back plate, and the second adhesive section is adhered to a side of the light bar circuit board opposite to the lamp bead.
6. The backlight module as claimed in claim 5, wherein the second adhesive tape is made of a heat-dissipating material.
7. The backlight module of claim 1, wherein the light source structure comprises a light bar circuit board and a light bead, the light bar circuit board comprises a circuit board body and a light bar heat dissipation layer arranged on one side of the circuit board body, and the light bead is arranged on one side of the circuit board body opposite to the light bar heat dissipation layer;
wherein, the illuminating part comprises the lamp bead.
8. The backlight module of claim 1, wherein the backlight module further comprises a film structure, the film structure comprising:
the reflector plate is arranged on the mounting surface;
the light guide plate is arranged on one side, back to the mounting surface, of the reflector plate, and the light incident side of the light guide plate is arranged towards one side of the light source structure; and the number of the first and second groups,
the optical film is arranged on the light emitting side of the light guide plate, and the light incident side of the optical film faces the light guide plate.
9. The backlight module of claim 1, wherein the backlight module comprises a side-entry backlight module.
10. A display device comprising the backlight module according to any one of claims 1 to 9; and the number of the first and second groups,
and the display module is arranged corresponding to one side of the mounting surface of the back plate of the backlight module.
CN202210371280.1A 2022-04-08 2022-04-08 Backlight module and display device Pending CN114690483A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210371280.1A CN114690483A (en) 2022-04-08 2022-04-08 Backlight module and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210371280.1A CN114690483A (en) 2022-04-08 2022-04-08 Backlight module and display device

Publications (1)

Publication Number Publication Date
CN114690483A true CN114690483A (en) 2022-07-01

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Citations (8)

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CN101303479A (en) * 2007-05-10 2008-11-12 奇美电子股份有限公司 Back light module and LCD device
WO2012035898A1 (en) * 2010-09-15 2012-03-22 シャープ株式会社 Lighting device and lcd device provided with same
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