CN108761873B - Backlight module - Google Patents

Backlight module Download PDF

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Publication number
CN108761873B
CN108761873B CN201810336611.1A CN201810336611A CN108761873B CN 108761873 B CN108761873 B CN 108761873B CN 201810336611 A CN201810336611 A CN 201810336611A CN 108761873 B CN108761873 B CN 108761873B
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CN
China
Prior art keywords
side wall
connecting part
frame
supporting platform
main body
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Active
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CN201810336611.1A
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Chinese (zh)
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CN108761873A (en
Inventor
倪明明
吴巍巍
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Nanjing CEC Panda LCD Technology Co Ltd
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Nanjing CEC Panda LCD Technology Co Ltd
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Priority to CN201810336611.1A priority Critical patent/CN108761873B/en
Publication of CN108761873A publication Critical patent/CN108761873A/en
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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
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/133308Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317Intermediate frames, e.g. between backlight housing and front frame

Abstract

The invention discloses a backlight module, comprising: the backboard comprises a bottom plate, a backboard connecting part assembled with the frame connecting part, and a first side wall arranged on four sides of the bottom plate and perpendicular to the bottom plate, wherein the backboard connecting part is arranged at two ends of the third side wall and is positioned at the joint of the third side wall and the second side wall and the first side wall respectively. In the assembling process, the frame connecting part of the rubber frame is matched with the backboard connecting part of the backboard, so that the connecting part of the rubber frame and the inner flanging of the backboard are positioned on the same horizontal plane, the rubber frame is not easy to loosen, the problems of dust entering and light leakage are solved, a positioning and guiding effect can be provided for assembling, the rubber frame can be quickly assembled on the backboard, the assembling working time is shortened, and the production efficiency is improved.

Description

Backlight module
Technical Field
The invention relates to the technical field of liquid crystal display, in particular to a backlight module.
Background
The development of the liquid crystal industry is changing day by day, the mainstream liquid crystal module products are developing towards the direction of high resolution, ultra-thin and narrow frame at present, in order to meet the requirements, the structural design of the backlight module also needs to be adjusted correspondingly, for example, the design of no front iron frame and the thinning design of relevant parts such as a rubber frame, the lap joint surface of the rubber frame and the panel needs to be designed to be narrower, the flanging of the side wall of the back plate is designed as the bearing surface of the panel, and the like, so that higher requirements are provided for the structural reliability design of the module.
The tail end of the rubber frame in the prior art is directly lapped on the turned edge of the side wall, and the rubber frame has the following defects: glue frame end direct overlap joint on backplate lateral wall turn-ups, the easy perk of frame is glued to the overlap joint, the overlap joint is glued the frame and is not inseparable fixed with the backplate lateral wall, vibrations and fall to arouse easily when falling the experiment not hard up of gluing the frame, make and glue frame and lateral wall intussuseption not on same horizontal plane, lead to gluing frame end and backplate lateral wall clearance grow, outside dust gets into backlight unit in the clearance of grow easily, cause the dirty class of demonstration such as diaphragm bad, backlight system's light also spills from this easily simultaneously, cause the emergence of the local light leak phenomenon of module.
Disclosure of Invention
The invention aims to provide a backlight module which effectively positions and fixes the tail end of a rubber frame, prevents looseness and solves the problems of light leakage and bad dirt by matching a connecting part of the rubber frame with a connecting part of a back plate.
A backlight module includes: the rubber frame comprises a middle frame, a left frame connected to one end of the middle frame and a right frame connected to the other end of the middle frame, the left frame and the right frame respectively comprise oppositely arranged frame connecting parts, and each frame connecting part comprises a main body part in the same extending direction as the middle frame and a second notch positioned below the main body part; the backboard comprises a bottom plate, a backboard connecting part assembled with the frame connecting part, and a first side wall, a second side wall, a third side wall and a fourth side wall which are arranged on four sides of the bottom plate and are perpendicular to the bottom plate, wherein the first side wall and the second side wall are oppositely arranged, the third side wall and the fourth side wall are also oppositely arranged, and the backboard connecting part is arranged at two ends of the third side wall and is positioned at the connecting part of the third side wall and the second side wall and the first side wall respectively; the backboard connecting part comprises a second supporting platform main body located above the main body part and a second supporting platform connecting part connected with the second supporting platform main body, and the second supporting platform connecting part is clamped in the second notch.
Preferably, the frame connecting part further comprises a vertical connecting part and a horizontal connecting part vertically connected with the vertical connecting part, the vertical connecting part is provided with a first notch, the main body part and the first notch are both located on the horizontal connecting part, and the backboard connecting part comprises a first supporting platform located in the first notch.
Preferably, the vertical connecting portion includes a first long body connected to an end of the left frame or an end of the right frame and a first short body connected to the first long body, an upper end of the first long body and an upper end of the first short body are located on the same horizontal plane, and the first notch is located between a lower end of the first long body and a lower end of the first short body.
Preferably, the main body part is 15-18 third side wall thicknesses in length and 3-4 third side wall thicknesses in width.
Preferably, the first long body and the first short body are connected in an arc shape.
Preferably, the horizontal connecting part further comprises a first extending edge and a second extending edge which are arranged on one side of the main body part, and a third notch which is arranged on the other side of the main body part and is arranged at the end part of the main body part; the second notch is positioned between the first extending edge and the second extending edge; the back plate connecting part comprises an inward flanging extending structure clamped in the third gap.
Preferably, the third side wall is bent inwards at a position far away from the bottom plate to form an inner flanging, and the inner flanging extending structure is an end part of the inner flanging.
Preferably, the backboard connecting portion comprises a first supporting platform, the third side wall is connected with the second side wall or the first side wall through the first supporting platform, the third side wall, the first supporting platform and the second side wall or the first side wall form a fourth gap together, the first short body is located on the first supporting platform, and the fourth gap and the first gap are at least partially overlapped.
Preferably, the backboard connecting part further comprises a second supporting platform, the second supporting platform is arranged at the end part of the third side wall far away from the bottom plate, the second supporting platform main body and the second supporting platform connecting part are both arranged on the second supporting platform, and the second supporting platform connecting part is connected with the second supporting platform main body and the third side wall; the second supporting platform main body is perpendicular to the third side wall.
Preferably, the second support platform main body extends towards the inner flanging side and away from the inner flanging side respectively to form a second platform second extending side and a second platform first extending side, the third side wall and the second support platform connecting part form a fifth notch, the second platform second extending side, the third side wall and the second support platform connecting part form a sixth notch, and the inner flanging extending structure, the third side wall, the second platform second extending side and the inner flanging form a seventh notch; the fifth notch is mutually clamped with the first extending edge, and the sixth notch and the seventh notch are mutually clamped with the second extending edge.
Preferably, the seventh notch has a length of 4-5 third side wall thicknesses, a width of 1-2 third side wall thicknesses and a height of 2-3 third side wall thicknesses.
Preferably, the backboard further comprises at least one protruding clamping structure arranged on the first side wall, the second side wall and the fourth side wall, and the rubber frame further comprises grooves arranged on the middle frame, the left frame and the right frame and corresponding to the clamping structures on the side walls of the backboard.
Preferably, the groove is a through hole.
According to the backlight module, on the basis of the existing three-side unclosed rubber frame, in the assembling process, the frame connecting part of the rubber frame is matched with the backboard connecting part of the backboard, the frame connecting part of the rubber frame and the backboard connecting part of the backboard are provided with a plurality of notches and bulges, and the notches and the bulges are mutually clamped, so that the lap joint of the rubber frame and the backboard is fixed more tightly, the frame connecting part of the rubber frame and the inner flanging of the backboard are positioned on the same horizontal plane and are not easy to loosen, the problems of dust entering and light leakage are solved, meanwhile, a positioning and guiding function can be provided for assembling, the rubber frame can be quickly assembled on the backboard, the assembling working time is shortened, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic view of a rubber frame structure according to the present invention;
FIG. 2 is a schematic view of a back plate structure according to the present invention;
FIG. 3 is a schematic view of the assembly structure of the rubber frame and the back plate according to the present invention;
list of reference numerals: 1-a glue frame, 2-a back plate, 11-a groove, 12-a connecting part, 141-a third gap, 15-a left frame, 16-a right frame, 17-a middle frame, 20-a bottom plate, 21-a clamping structure, 221-a first side wall, 222-a second side wall, 223-a third side wall, 224-a fourth side wall, 23-a second supporting platform, 231-a first extending edge of the second supporting platform, 232-a second extending edge of the second supporting platform, 234-a second supporting platform connecting part, 235-a main body of the second supporting platform, 236-a fifth gap, 237-a sixth gap, 24-a seventh gap, 25-an inward flange, 251-an inward flange extending structure, 26-a fourth gap, 27-a first supporting platform, 28-a back plate connecting part, 30-vertical connecting part, 31-first long body, 32-first short body, 33-first gap, 40-horizontal connecting part, 41-main body part, 42-first extending edge, 43-second extending edge, and 44-second gap.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
A backlight module includes: the rubber frame comprises a middle frame, a left frame connected to one end of the middle frame and a right frame connected to the other end of the middle frame, the left frame and the right frame respectively comprise oppositely arranged frame connecting parts, and each frame connecting part comprises a main body part in the same extending direction as the middle frame and a second notch positioned below the main body part; the backboard comprises a bottom plate, a backboard connecting part assembled with the frame connecting part, and a first side wall, a second side wall, a third side wall and a fourth side wall which are arranged on four sides of the bottom plate and are perpendicular to the bottom plate, wherein the first side wall and the second side wall are oppositely arranged, the third side wall and the fourth side wall are also oppositely arranged, and the backboard connecting part is arranged at two ends of the third side wall and is positioned at the connecting part of the third side wall and the second side wall and the first side wall respectively; the backboard connecting part comprises a second supporting platform main body located below the main body part and a second supporting platform connecting part connected with the second supporting platform main body, and the second supporting platform connecting part is clamped in the second notch.
The improved and preferred structure is characterized in that the frame connecting part further comprises a vertical connecting part and a horizontal connecting part vertically connected with the vertical connecting part, the vertical connecting part is provided with a first notch, the main body part and the first notch are located on the horizontal connecting part, and the backboard connecting part comprises a first supporting platform located in the first notch.
The above-mentioned scheme is improved, preferably, the vertical connecting portion includes a first long body connected with the end portion of the left side frame or the end portion of the right side frame and a first short body connected with the first long body, the upper end of the first long body and the upper end of the first short body are located on the same horizontal plane, and the first notch is located between the lower end of the first long body and the lower end of the first short body.
In order to improve the scheme, preferably, the length of the main body part is 15-18 third side wall thicknesses, and the width of the main body part is 3-4 third side wall thicknesses.
In an improvement of the above, preferably, the first long body and the first short body are connected in an arc shape.
The above solution is improved, preferably, the horizontal connecting portion further includes a first extending edge and a second extending edge disposed on one side of the main body portion, and a third notch located on the other side of the main body portion and located at the end of the main body portion; the second notch is positioned between the first extending edge and the second extending edge; the back plate connecting part comprises an inward flanging extending structure clamped in the third gap.
The above scheme is improved, preferably, the third side wall is bent inwards at a position far away from the bottom plate to form an inward flange, and the inward flange extending structure is an end part of the inward flange.
The above technical solution is improved, preferably, the backboard connecting portion includes a first supporting platform, the third side wall is connected with the second side wall or the first side wall through the first supporting platform, the third side wall, the first supporting platform and the second side wall or the first side wall form a fourth gap together, the first short body is located on the first supporting platform, and the fourth gap and the first gap are at least partially overlapped.
The above scheme is improved, preferably, the backboard connecting part further comprises a second supporting platform, the second supporting platform is arranged at the end part of the third side wall far away from the bottom plate, the second supporting platform main body and the second supporting platform connecting part are both arranged on the second supporting platform, and the second supporting platform connecting part is connected with the second supporting platform main body and the third side wall; the second supporting platform main body is perpendicular to the third side wall.
The scheme is improved, preferably, the second support platform main body extends towards the inner flanging side and the side far away from the inner flanging side respectively to form a second platform second extending side and a second platform first extending side, the third side wall and the second support platform connecting part form a fifth gap together, the second platform second extending side, the third side wall and the second support platform connecting part form a sixth gap together, and the inner flanging extending structure, the third side wall, the second platform second extending side and the inner flanging form a seventh gap together; the fifth notch is mutually clamped with the first extending edge, and the sixth notch and the seventh notch are mutually clamped with the second extending edge.
Preferably, the seventh notch has a length of 4-5 third side wall thicknesses, a width of 1-2 third side wall thicknesses and a height of 2-3 third side wall thicknesses.
The improved and preferred structure of the back plate further comprises at least one protruding clamping structure arranged on the first side wall, the second side wall and the fourth side wall, and the rubber frame further comprises grooves arranged on the middle frame, the left frame and the right frame and corresponding to the clamping structures on the side walls of the back plate.
In an improvement of the above, preferably, the groove is a through hole.
The first embodiment is as follows:
fig. 1-3 are schematic structural views illustrating an embodiment of the present invention, and as shown in the drawings, a backlight module includes: backplate 2 and the gluey frame 1 of lock on backplate 2, gluey frame 1 includes a center 17, connects perpendicularly at the left side frame 15 of center 17 one end and connects perpendicularly at the right side frame 16 of center 17 other end, and left side frame 15 and right side frame 16 all include the relative frame connecting portion 12 that sets up.
The frame connecting portion 12 includes a vertical connecting portion 30 and a horizontal connecting portion 40 vertically connected to the vertical connecting portion 30, the vertical connecting portion 30 is connected to an end portion of the left frame 15 or an end portion of the right frame 16 and extends downward, and the horizontal connecting portion 40 is connected to an end portion of the left frame 15 or an end portion of the right frame 16 and extends in a horizontal direction. The vertical connection portion 30 includes a first long body 31 connected to an end portion of the left frame 15 or an end portion of the right frame 16, and a first short body 32 connected to the first long body 31, an upper end of the first long body 31 and an upper end of the first short body 32 are located on the same horizontal plane, a first gap 33 is formed between a lower end of the first long body 31 and a lower end of the first short body 32, and the first long body 31 and the first short body 32 are connected in an arc shape.
The horizontal connecting portion 40 includes a main body portion 41 connected to the first short body 32 and extending in the same direction as the middle frame 17, a first extending edge 42 and a second extending edge 43 disposed on one side of the main body portion 41, a second notch 44 located between the first extending edge 42 and the second extending edge 43, and a third notch 141 located on the other side of the main body portion 41 and located at an end of the main body portion 41, wherein the first extending edge 42 is close to the first short body 32, the second extending edge 43 is far away from the first short body and close to an end of the main body portion 41, and the third notch 141 is also far away from the first short body and close to an end of the main body portion 41.
The backboard 2 comprises a bottom plate 20, a backboard connecting part 28 assembled with the frame connecting part 12, and a first side wall 221, a second side wall 222, a third side wall 223 and a fourth side wall 224 which are arranged on four sides of the bottom plate 20 and are perpendicular to the bottom plate, wherein the first side wall 221 and the second side wall 222 are arranged oppositely, the third side wall 223 and the fourth side wall 224 are arranged oppositely, the first side wall 221 and the second side wall 222 are respectively arranged on the end parts of the third side wall 223 and the fourth side wall 224 and are perpendicular to the third side wall 223 and the fourth side wall 224, the third side wall 223 far away from the bottom plate is bent inwards to form an inward flange 25, and the third side wall 223 is connected with the second side wall 222 and the first side wall 221 through the backboard connecting part 28.
The backboard connecting parts 28 are located at two ends of the third side wall 23, and are assembled and connected with the frame connecting parts 12 through the backboard connecting parts 28, so that the backboard 2 is connected with the rubber frame 1.
The back plate connecting portion 28 includes a first supporting platform 27 and a second supporting platform 23, the third sidewall 223 is connected to the second sidewall 222 or the first sidewall 221 through the first supporting platform 27, the third sidewall 223, the first supporting platform 27 and the second sidewall 222 or the first sidewall 221 together form a fourth gap 26, the first short body is located on the first supporting platform 27, and the fourth gap and the first gap 33 at least partially coincide.
The second supporting platform 23 is disposed at an end of the third sidewall 223 far from the bottom plate 20, and is close to the second sidewall 222 or the first sidewall 221, the second supporting platform 23 includes a second supporting platform main body 235 perpendicular to the inner flange 25 of the third sidewall 223 and the third sidewall in the same direction, the second supporting platform main body 235 is arc-connected to the third sidewall 223 through a second supporting platform connecting portion 234, the second supporting platform main body 235 extends towards the inner flange 25 side and the side far from the inner flange 25 side to form a second platform second extending edge 232 and a second platform first extending edge 231, the second platform first extending edge 231 forms a fifth gap 236 together with the third sidewall 223 and the second supporting platform connecting portion 234, and the second platform second extending edge forms a sixth gap 237 together with the third sidewall 223 and the second supporting platform connecting portion 234.
The end of the inner flange 25, which is far from the third side wall 223, extends out of the inner flange extension 251 towards the second platform 23, i.e. the inner flange extension 251 is the end of the inner flange 25. The inner cuff extension 251 forms together with the third sidewall 223, the second platform second extension 232 and the inner cuff 25 a seventh gap 24.
In this embodiment, when the back plate 2 and the rubber frame 1 are assembled, the first notch 33 and the first supporting platform 27 are engaged with each other, the first short body 32 is placed on the first supporting platform 27, and the fourth notch 26 and the first short body 32 are engaged with each other; the second notch 44 is engaged with the second supporting platform 23, the fifth notch 236 is engaged with the first extending edge 42, and the sixth notch 237 and the seventh notch 24 are engaged with the second extending edge 43; the third notch 141 and the inward flange extension structure 251 are engaged with each other.
In the present embodiment, the main body portion 41 has a length of 15 to 18 third sidewalls 223 and a width of 3 to 4 third sidewalls 223.
In the present embodiment, the seventh notch 24 has a length of 4-5 thicknesses of the third sidewall 223, a width of 1-2 thicknesses of the third sidewall 223, and a height of 2-3 thicknesses of the third sidewall 223.
In this embodiment, the back plate further includes protruding engaging structures 21 disposed on the first side wall 221, the second side wall 222, and the fourth side wall 224, and the rubber frame 1 further includes grooves 11 disposed on the middle frame 17, the left side frame 15, and the right side frame 16 and corresponding to the engaging structures 21 of the back plate 2.
In the present embodiment, there are a plurality of the engaging structures 21 and the grooves 11, and the engaging structures 21 and the grooves 11 correspond to each other one by one.
In the present embodiment, the groove 11 is a through hole.
Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the foregoing embodiments, and various equivalent changes (such as number, shape, position, etc.) may be made to the technical solution of the present invention within the technical spirit of the present invention, and these equivalent changes are all within the protection scope of the present invention.

Claims (7)

1. A backlight module includes: backplate and lock attach to the frame of gluing on the backplate, its characterized in that: the rubber frame comprises a middle frame, a left frame connected to one end of the middle frame and a right frame connected to the other end of the middle frame, the left frame and the right frame respectively comprise frame connecting parts which are oppositely arranged, and each frame connecting part comprises a main body part in the same extending direction as the middle frame, a second notch positioned below the main body part, a vertical connecting part, a first notch arranged on the vertical connecting part and a third notch positioned at the end part of the main body part; the vertical connecting part comprises a first long body connected with the end part of the left frame or the end part of the right frame and a first short body connected with the first long body; the backboard comprises a bottom plate, a backboard connecting part assembled with the frame connecting part, and a first side wall, a second side wall, a third side wall and a fourth side wall which are arranged on four sides of the bottom plate and are perpendicular to the bottom plate, wherein the first side wall and the second side wall are oppositely arranged, the third side wall and the fourth side wall are also oppositely arranged, and the backboard connecting part is arranged at two ends of the third side wall and is positioned at the connecting part of the third side wall and the second side wall and the first side wall respectively; the backboard connecting part also comprises a second supporting platform main body positioned below the main body part, a second supporting platform connecting part connected with the second supporting platform main body, a first supporting platform and a fourth gap formed by the first supporting platform and the second side wall or the first side wall; the second support platform main body extends towards the inner flanging side and the side far away from the inner flanging side respectively to form a second platform second extending side and a second platform first extending side, the third side wall and the second support platform connecting part form a fifth gap together, and the second platform second extending side, the third side wall and the second support platform connecting part form a sixth gap together; the third side wall is bent inwards at a position far away from the bottom plate to form an inward flange, one side of the end part of the inward flange, which is far away from the third side wall, extends out of the inward flange extending structure towards the second platform, and the inward flange extending structure, the third side wall, the second platform second extending edge and the inward flange form a seventh gap together; when the back plate and the rubber frame are assembled, the first notch and the first supporting platform are mutually clamped, the first short body is placed on the first supporting platform, and the fourth notch and the first short body are mutually clamped; the second notch and the second supporting platform are mutually clamped, the fifth notch and the first extending edge are mutually clamped, and the sixth notch and the seventh notch are mutually clamped with the second extending edge; the third gap is clamped with the inner flanging extending structure.
2. A backlight module according to claim 1, wherein: the frame connecting part further comprises a horizontal connecting part vertically connected with the vertical connecting part, and the main body part and the second notch are located on the horizontal connecting part.
3. A backlight module according to claim 2, wherein: the upper end of the first long body and the upper end of the first short body are positioned on the same horizontal plane, and the first notch is positioned between the lower end of the first long body and the lower end of the first short body.
4. A backlight module according to claim 3, wherein: the first long body and the first short body are connected in an arc shape.
5. A backlight module according to claim 2, wherein: the horizontal connecting part also comprises a first extending edge and a second extending edge which are arranged on one side of the main body part; the second notch is located between the first extending edge and the second extending edge and located on the other side of the main body portion.
6. A backlight module according to claim 5, wherein: the backboard connecting part further comprises a second supporting platform, the second supporting platform is arranged at the end part of the third side wall, which is far away from the bottom plate, the second supporting platform main body and the second supporting platform connecting part are both arranged on the second supporting platform, and the second supporting platform connecting part is connected with the second supporting platform main body and the third side wall; the second supporting platform main body is perpendicular to the third side wall.
7. A backlight module according to claim 1, wherein: the back plate further comprises at least one protruding clamping structure arranged on the first side wall, the second side wall and the fourth side wall, and the rubber frame further comprises grooves arranged on the middle frame, the left frame and the right frame and corresponding to the clamping structures on the side walls of the back plate.
CN201810336611.1A 2018-04-16 2018-04-16 Backlight module Active CN108761873B (en)

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CN108761873A CN108761873A (en) 2018-11-06
CN108761873B true CN108761873B (en) 2021-08-06

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CN110012250B (en) * 2019-03-28 2021-06-01 深圳创维-Rgb电子有限公司 Television middle frame self-locking structure and television thereof
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