CN115480423A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN115480423A CN115480423A CN202211199698.5A CN202211199698A CN115480423A CN 115480423 A CN115480423 A CN 115480423A CN 202211199698 A CN202211199698 A CN 202211199698A CN 115480423 A CN115480423 A CN 115480423A
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- hole
- supporting
- bottom frame
- fixing sub
- optical film
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- 230000008093 supporting effect Effects 0.000 claims abstract description 143
- 239000012788 optical film Substances 0.000 claims abstract description 89
- 239000010408 film Substances 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 10
- 230000001154 acute effect Effects 0.000 claims description 8
- 238000013459 approach Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229920001821 foam rubber Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- 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
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The application provides a backlight module and a display device, wherein the backlight module comprises a bottom frame, an optical film arranged opposite to the bottom frame and a support column positioned on one side of the optical film close to the bottom frame, and the bottom frame is provided with a through hole corresponding to the support column; wherein, the support column is including being located the supporting part between optical film piece and the underframe, in order to be located the supporting part and keep away from the location portion of one side of optical film piece, wherein, the first end and the optical film piece butt of supporting part, the second end and the underframe butt of supporting part to the supporting effect of reinforcing support column, location portion and supporting part are connected, and location portion has elasticity, and location portion passes through-hole and underframe joint, thereby simplifies the dismantlement process of support column.
Description
Technical Field
The application relates to the technical field of display, in particular to a backlight module and a display device.
Background
At present, liquid crystal display televisions mainly have two development trends, one is to ultra-thin lateral-in type LED liquid crystal display televisions with beautiful appearance and strong visual impact feeling, and the other trend is to direct-down type LED development focusing on quality performance experience effects. The lateral-entering LED liquid crystal television is severely restricted in development due to the limitation of the goods sources of the light guide plate and the LED lamp; therefore, the development of the direct-type LED module is becoming an important trend.
The direct type LED module comprises an optical diaphragm and a back plate which are stacked up and down, wherein a plurality of Light Emitting Diodes (LEDs) are arranged on the surface of one side of the back plate close to the optical diaphragm, a certain light mixing gap is formed between the back plate and the optical diaphragm, and light emitted by the LEDs is fully mixed in the light mixing gap and then enters the optical diaphragm. In order to ensure the picture quality of the liquid crystal display device, the distances between the light emitting diodes and the optical film should be kept equal and will not change after long-term use, so the middle part of the optical film needs to be supported by materials; however, the mode of the fixed optical film in the prior art has the support column to shake easily, which leads to the direct type LED module to have the risk of color cast.
Disclosure of Invention
The embodiment of the application provides a backlight module and a display device, which are used for relieving the defects in the related technology.
In order to realize the above functions, the technical solutions provided in the embodiments of the present application are as follows:
a backlight module comprises a bottom frame, an optical film arranged opposite to the bottom frame and a support column positioned on one side of the optical film close to the bottom frame, wherein the bottom frame is provided with a through hole corresponding to the support column; wherein, the support column includes:
the supporting part is positioned between the optical film and the bottom frame, a first end of the supporting part is abutted with the optical film, and a second end of the supporting part is abutted with the bottom frame;
the positioning part is located on one side, far away from the optical film, of the supporting part and is connected with the supporting part, wherein the positioning part has elasticity and is connected with the bottom frame in a clamping manner through the through hole.
In the backlight module provided by the embodiment of the application, the first end of the positioning part is connected with the second end of the supporting part, the second end of the positioning part is clamped with one side of the bottom frame, which is far away from the optical film, and the side surface of the positioning part is abutted against the inner wall of the through hole;
when the supporting part moves towards the direction close to the optical film, the positioning part contracts towards the direction close to the central line of the through hole.
In the backlight unit that this application embodiment provided, location portion is at least including relative first fixed sub-spare and the fixed sub-spare of second that sets up, the first end of first fixed sub-spare with the second end connection of supporting part, the second end of first fixed sub-spare with the underframe is kept away from one side joint of optical film piece, just the side of first fixed sub-spare with the inner wall butt of through-hole, the first end of second fixed sub-spare with the second end connection of supporting part, the second end of second fixed sub-spare with the underframe is kept away from one side joint of optical film piece, just the side of second fixed sub-spare with the inner wall butt of through-hole.
In the backlight unit that this application embodiment provided, first fixed sub-spare and second fixed sub-spare include circular arc portion, circular arc portion is to keeping away from the direction of through-hole central line is protruding, wherein, at least part circular arc portion is located in the through-hole and with the through-hole joint.
In the backlight module provided by the embodiment of the application, the first fixed sub-component includes a first fixed stator portion located in the through hole and a second fixed stator portion disposed on a side of the first fixed sub-component away from the optical diaphragm, the second fixed sub-component includes a third fixed stator portion located in the through hole and a fourth fixed stator portion disposed on a side of the third fixed sub-component away from the optical diaphragm, wherein a distance between the first fixed stator portion and the third fixed sub-component is greater than or equal to a hole diameter of the through hole, and a distance between the second fixed stator portion and the fourth fixed sub-component is greater than or equal to a hole diameter of the through hole.
In the backlight module provided by the embodiment of the application, the length of the first stator part is smaller than the depth of the through hole, and at least part of the second stator part is positioned in the through hole and clamped with the inner wall of the through hole; the length of the third fixed stator part is smaller than the depth of the through hole, and at least part of the fourth fixed stator part is positioned in the through hole and is clamped with the inner wall of the through hole.
In the backlight module provided by the embodiment of the application, the positioning portion further includes a base, a second end of the first fixing sub-member is connected to the base, and a first end of the first fixing sub-member extends from the base to a direction in which the bottom frame approaches and is connected to a second end of the supporting portion; the second end of the second fixed sub-part is connected with the base, and the first end of the second fixed sub-part extends from the base to the direction that the bottom frame approaches and is connected with the second end of the supporting part.
In the backlight module provided in the embodiment of the application, the positioning portion further includes a third fixing sub-member and a fourth fixing sub-member, a first end of the third fixing sub-member is connected to a second end of the first fixing sub-member, a second end of the third fixing sub-member is connected to the base, a first end of the fourth fixing sub-member is connected to a second end of the second fixing sub-member, and a second end of the fourth fixing sub-member is connected to the base; the included angle between the third fixing sub-part and the base is an acute angle, and the included angle between the fourth fixing sub-part and the base is an acute angle.
In the backlight module provided by the embodiment of the application, the support portion includes a support main portion and a support branch portion, a first end of the support main portion abuts against the optical film, a second end of the support main portion is connected with a first end of the support branch portion, and a second end of the support branch portion abuts against the bottom frame.
In the backlight module provided by the embodiment of the application, the width of the supporting branch part is larger than the aperture of the through hole.
In the backlight module provided by the embodiment of the application, the backlight module further comprises a support film layer positioned between the support part and the bottom frame, the support film layer comprises an opening, the aperture of the opening is greater than or equal to that of the through hole, and the first end of the positioning part penetrates through the opening and is connected with the second end of the support part.
The embodiment of the application provides a display device, including any one of the above backlight module and display panel, backlight module set up in one side that display panel is shaded.
The beneficial effects of the embodiment of the application are as follows: according to the embodiment of the application, the supporting part is arranged between the optical film and the bottom frame, the first end of the supporting part is abutted to the optical film, and the second end of the supporting part is abutted to the bottom frame, so that the supporting effect of the supporting column is more stable; the positioning portion is located on one side, far away from the optical film, of the supporting portion and is connected with the supporting portion, the positioning portion is elastic and is connected with the bottom frame in a clamped mode through the through hole, and therefore the supporting column is simple in dismounting process, and other parts are prevented from being damaged in the dismounting process of the supporting column.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a backlight module in the related art;
fig. 2 is a schematic cross-sectional view of a backlight module according to an embodiment of the present disclosure;
fig. 3 is a cross-sectional top view of a backlight module according to an embodiment of the present disclosure;
FIG. 4 is a schematic view of a first structure of a supporting column provided in an embodiment of the present application;
FIG. 5 is an enlarged view at B in FIG. 2;
FIG. 6 is a schematic diagram of a second structure of a supporting column according to an embodiment of the present disclosure;
FIG. 7 is a bottom view of a support post provided in an embodiment of the present application;
fig. 8 is a top view of a support post provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, it should be understood that the detailed description and specific examples, while indicating preferred embodiments of the present application, are given by way of illustration and explanation only, and are not intended to limit the present application. In this application, where the context requires otherwise, the words "upper" and "lower" used in relation to the device in use or operation will generally refer to the upper and lower extremities of the device, particularly as oriented in the drawing figures; while "inner" and "outer" are with respect to the outline of the device.
The embodiment of the application provides a backlight module and a display device. The following are detailed below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments.
Referring to fig. 2 to 8, an embodiment of the present application provides a backlight module and a display device.
In the embodiment of the present application, the backlight module 200 includes a bottom frame 11, an optical film 20 disposed opposite to the bottom frame 11, and a supporting pillar 30 disposed on one side of the optical film 20 close to the bottom frame 11, and the bottom frame 11 is provided with a through hole 110 corresponding to the supporting pillar 30.
Wherein the support column 30 comprises; a support portion 31 located between the optical film 20 and the bottom frame 11, wherein a first end of the support portion 31 abuts against the optical film 20, and a second end of the support portion 31 abuts against the bottom frame 11.
And a positioning portion 32 located on one side of the supporting portion 31 far away from the optical film 20, wherein the positioning portion 32 is connected to the supporting portion 31, the positioning portion 32 has elasticity, and the positioning portion 32 is clamped to the bottom frame 11 through the through hole 110.
It can be understood that fig. 1 is a schematic cross-sectional view of a backlight module in the related art.
In the related art, the backlight module 100 includes a bottom frame 11, an optical film 20 disposed opposite to the bottom frame 11, and a supporting pillar 30 disposed on one side of the optical film 20 close to the bottom frame 11, a through hole 110 corresponding to the supporting pillar 30 is disposed on the bottom frame 11, the supporting pillar 30 includes a supporting portion 31 and a positioning portion 32, the supporting portion 31 is disposed between the optical film 20 and the bottom frame 11, the supporting portion 31 is configured to support the optical film 20, and the positioning portion 32 passes through the through hole 110 and abuts against one side of the bottom frame 11 far away from the optical film 20, so as to fix the supporting portion 31 in the through hole 110 of the bottom frame 11.
It can be understood that, in the related art, when the supporting pillar 30 is detached from the bottom frame 11, the bottom frame 11 must be firstly turned, and then an external force acts on the fixing sub-member 32A of the positioning portion 32 to contract and disengage from the through hole 110 of the bottom frame 11, at this time, the supporting pillar 30 is separated from the bottom frame 11, and after the separation, the supporting pillar 30 needs to be turned over to be taken out, so that the method for detaching the supporting pillar 30 is very inconvenient; meanwhile, since a gap exists between the positioning portion 32 and the through hole 110, the supporting column 30 may be shaken up and down, thereby causing a risk of color cast of the display device.
According to the embodiment of the application, the supporting part is arranged between the optical film and the bottom frame, the first end of the supporting part is abutted against the optical film, and the second end of the supporting part is abutted against the bottom frame, so that the supporting effect of the supporting column is more stable; the positioning portion is located on one side, far away from the optical film, of the supporting portion and is connected with the supporting portion, the positioning portion is elastic and is connected with the bottom frame in a clamped mode through the through hole, and therefore the supporting column is simple in dismounting process, and other parts are prevented from being damaged in the dismounting process of the supporting column.
The technical solution of the present application will now be described with reference to specific embodiments.
In one embodiment, please refer to fig. 2, fig. 3 and fig. 4; fig. 2 is a schematic cross-sectional view of a backlight module provided in the embodiment of the present application; FIG. 3 is a cross-sectional top view of a backlight module according to an embodiment of the present disclosure; fig. 4 is a schematic view of a first structure of a supporting column according to an embodiment of the present disclosure.
The present embodiment provides a backlight module 200, wherein the backlight module 200 includes a frame 10, an optical film 20 and supporting posts 30. The frame 10 includes the underframe 11 and the frame 12, be provided with on the underframe 11 with the corresponding through-hole 110 of support column 30, the first end of frame 12 with the underframe 11 is connected, optical film 20 with the relative setting of underframe 11, optical film 20 with the second end of frame 12 is connected, support column 30 is located optical film 20 is close to one side of underframe 11, the first end of support column 30 with optical film 20 butt, the second end of support column 30 with underframe 11 butt, thereby it is right to optical film 20 plays supporting role.
It can be understood that, in the prior art, as consumers pursue a large size of the display device, the optical film 20 also increases in size and has a heavier weight, if the optical film 20 is supported only by the frame 12, there is a risk that the middle portion of the optical film 20 collapses downward, thereby seriously affecting the optical quality, and therefore, the present embodiment supports the optical film 20 by disposing the supporting pillar 30 at a side of the optical film 20 close to the bottom frame 11, and fixing the other end of the supporting pillar 30 in the through hole 110.
In this embodiment, the backlight module 200 further includes a reflective sheet 40 and a light emitting module 50 located on one side of the bottom frame 11 close to the optical film 20, the reflective sheet 40 covers the bottom frame 11, the light emitting module 50 includes a plurality of light emitting units 51 arranged at intervals, and an orthographic projection of the light emitting units 51 on the bottom frame 11 does not overlap with the through holes 110; the reflective sheet 40 includes a first opening 41 disposed opposite to the through hole 110 and a second opening 42 corresponding to the light emitting units 51 one by one, an aperture of the first opening 41 is greater than or equal to an aperture of the through hole 110, and the reflective sheet 40 is configured to prevent light emitted by the light emitting units 51 from being dissipated and reflect the light onto the optical film 20.
In the present embodiment, the support column 30 includes; a support portion 31 located between the optical film 20 and the bottom frame 11, wherein a first end of the support portion 31 abuts against the optical film 20, and a second end of the support portion 31 abuts against the bottom frame 11.
And a positioning portion 32 located on one side of the supporting portion 31 far away from the optical film 20, wherein the positioning portion 32 is connected to the supporting portion 31, the positioning portion 32 has elasticity, and the positioning portion 32 is clamped to the bottom frame 11 through the through hole 110.
It should be noted that, in this embodiment, the supporting pillars 30 are formed of an elastic material, so that not only the connection between the bottom frame 11 and the supporting pillars 30 is buffered, but also the supporting pillars 30 buffer the support of the optical film 20, and the backlight module 200 can prevent the supporting pillars 30 from damaging the bottom frame 11 and the optical film 20 when moving; the material of the supporting column 30 includes, but is not limited to, one of Polycarbonate (PC) or polyethylene terephthalate (PET), and preferably, the supporting column 30 is formed of a transparent material so as to prevent the supporting column 30 from blocking the light emitted from the light emitting unit 51, thereby ensuring the performance of the backlight module 200.
Further, a first end of the positioning portion 32 is connected to a second end of the supporting portion 31, the second end of the positioning portion 32 is clamped to a side of the bottom frame 11 away from the optical film 20, and a side surface of the positioning portion 32 abuts against an inner wall of the through hole 110; wherein, when the supporting portion 31 moves toward the optical film 20, the positioning portion 32 contracts toward the center line W of the through hole 110; wherein, the direction close to the optical film 20 is the X direction in fig. 2.
It can be understood that, in the present embodiment, by disposing the supporting portion 31 between the optical film 20 and the bottom frame 11, a first end of the supporting portion 31 abuts against the optical film 20, and a second end of the supporting portion 31 abuts against the bottom frame 11, so that the supporting effect of the supporting column 30 is more stable; the positioning portion 32 is arranged on one side of the supporting portion 31 far away from the optical film 20, the positioning portion 32 is connected with the supporting portion 31, wherein the positioning portion 32 has elasticity, the positioning portion 32 is clamped with the bottom frame 11 through the through hole 110, and when the supporting portion 31 moves towards the direction close to the optical film 20, the positioning portion 32 contracts towards the direction close to the central line W of the through hole 110, so that the disassembling process of the supporting column 30 is simple, and other components are prevented from being damaged in the process of disassembling the supporting column 30.
Further, in this embodiment, the positioning portion 32 at least includes a first fixing sub-member 321 and a second fixing sub-member 322 which are oppositely disposed, a first end of the first fixing sub-member 321 is connected to a second end of the supporting portion 31, a second end of the first fixing sub-member 321 is connected to one side of the bottom frame 11, which is far away from the optical film 20, of the bottom frame 11, a side surface of the first fixing sub-member 321 is abutted to the inner wall of the through hole 110, a first end of the second fixing sub-member 322 is connected to a second end of the supporting portion 31, a second end of the second fixing sub-member 322 is connected to one side of the bottom frame 11, which is far away from the optical film 20, and a side surface of the second fixing sub-member 322 is abutted to the inner wall of the through hole 110.
It can be understood that, in the present embodiment, by providing that the first end of the first fixing sub 321 is connected to the second end of the support portion 31, and the side surface of the first fixing sub 321 is abutted against the inner wall of the through hole 110, the first end of the second fixing sub 322 is connected to the second end of the support portion 31, and the side surface of the second fixing sub 322 is abutted against the inner wall of the through hole 110, the support portion 31 cannot move relative to the bottom frame 11 in the direction parallel to the bottom frame 11, that is, the first fixing sub 321 and the second fixing sub 322 can limit the movement of the support portion 31 relative to the bottom frame 11 in the direction parallel to the bottom frame 11; through setting up the second end of first fixed sub-component 321 with the side joint that the optical film piece 20 is kept away from to the bottom frame 11, the second end of second fixed sub-component 322 with the side joint that the optical film piece 20 is kept away from to the bottom frame 11, thereby make the supporting part 31 can not take place in the direction of perpendicular to the bottom frame 11 the removal of relative bottom frame 11, promptly the first fixed sub-component 321 with the second fixed sub-component 322 can also be used for limiting in the direction of perpendicular to the bottom frame 11 the supporting part 31 is relative the removal of bottom frame 11.
In this embodiment, the first fixing sub-part 321 and the second fixing sub-part 322 include an arc part 320, the arc part 320 protrudes in a direction away from the central line W of the through hole 110, wherein at least a part of the arc part 320 is located in the through hole 110 and is clamped with the through hole.
Further, in this embodiment, the first fixing sub-element 321 includes a first fixing sub-element 321A located in the through hole 110 and a second fixing sub-element 321B disposed on a side of the first fixing sub-element 321A away from the optical film 20, and the second fixing sub-element 322 includes a third fixing sub-element 322A located in the through hole 110 and a fourth fixing sub-element 322B disposed on a side of the third fixing sub-element 322A away from the optical film 20; the second fixing sub-portion 321B includes the arc portion 320, the fourth fixing sub-portion 322B includes the arc portion 320, the distance between the first fixing sub-portion 321A and the third fixing sub-portion 322A is greater than or equal to the aperture of the through hole 110, and the distance between the second fixing sub-portion 321B and the fourth fixing sub-portion 322B is greater than or equal to the aperture of the through hole 110.
It can be understood that, in the present embodiment, the first fixing sub-element 321 includes a first fixing sub-element 321A located in the through hole 110, the second fixing sub-element 322 includes a third fixing sub-element 322A located in the through hole 110, and the distance between the first fixing sub-element 321A and the third fixing sub-element 322A is greater than or equal to the aperture of the through hole 110, so as to fix the positioning portion 32 in the through hole 110; the first fixing sub-member 321 is disposed to include a second fixing sub-member 321B disposed on a side of the first fixing sub-member 321A far away from the optical film 20, the second fixing sub-member 322 is disposed to include a fourth fixing sub-member 322B disposed on a side of the third fixing sub-member 322A far away from the optical film 20, and a distance between the second fixing sub-member 321B and the fourth fixing sub-member 322B is greater than or equal to an aperture of the through hole 110, so as to prevent the support post 30 from being shaken in a direction perpendicular to the bottom frame 11 due to a tolerance caused by a manufacturing process of the bottom frame 11 and the positioning portion 32.
In addition, since the second fixing sub-portion 321B includes the arc portion 320, the fourth fixing sub-portion 322B includes the arc portion 320, and the arc portion 320 protrudes in a direction away from the center line W of the through hole 110, when an external force acts on the supporting portion 31 to move the supporting portion 31 in a direction approaching the optical film 20, the second fixing sub-portion 321B and the fourth fixing sub-portion 322B can be contracted in a direction approaching the center line W of the through hole 110, so that the detaching process of the supporting column 30 is simplified, and damage to other components during detaching the supporting column 30 is avoided.
Further, please refer to fig. 5, which is an enlarged view of B in fig. 2.
In this embodiment, the length of the first fixing sub-portion 321A is smaller than the depth of the through hole 110, at least a portion of the second fixing sub-portion 321B is located in the through hole 110 and abuts against the inner wall of the through hole 110, the length of the third fixing sub-portion 322A is smaller than the depth of the through hole 110, and at least a portion of the fourth fixing sub-portion 322B is located in the through hole 110 and abuts against the inner wall of the through hole 110.
Specifically, the second fixing sub-portion 321B includes a first portion 321B1 located in the through hole 110 and a second portion 321B2 extending from the first portion 321B1 to a direction away from the through hole 110, and the fourth fixing sub-portion 322B includes a third portion 322B1 located in the through hole 110 and a fourth portion 322B2 extending from the third portion 322B1 to a direction away from the through hole 110; the distance between the first portion 321B1 and the third portion 322B1 is greater than or equal to the aperture of the through hole 110, and the distance between the second portion 321B2 and the fourth portion 322B2 is greater than or equal to the aperture of the through hole 110, so as to fix the first fixing sub-member 321 and the second fixing sub-member 322 in the through hole 110, thereby limiting the swing of the support portion 31 relative to the bottom frame 11 in the direction parallel to the bottom frame 11.
Further, in this embodiment, the positioning portion 32 includes a base 325, a second end of the first fixing sub 321 is connected to the base 325, and a first end of the first fixing sub 321 extends from the base 325 to a direction in which the bottom frame 11 approaches and is connected to a second end of the supporting portion 31; the second end of the second fixing sub-member 322 is connected to the base 325, and the first end of the second fixing sub-member 322 extends from the base 325 toward the bottom frame 11 and is connected to the second end of the supporting portion 31, so as to facilitate the installation and removal of the supporting column 30.
Further, please refer to fig. 6 and fig. 7; fig. 6 is a schematic view of a second structure of a supporting column according to an embodiment of the present disclosure; fig. 7 is a bottom view of a support post provided in an embodiment of the present application.
Further, please refer to fig. 6 and fig. 7; fig. 6 is a schematic view of a second structure of a supporting column according to an embodiment of the present disclosure; fig. 7 is a bottom view of a support post provided in an embodiment of the present application.
In this embodiment, the positioning portion 32 further includes a third fixing sub-member 323 and a fourth fixing sub-member 324, a first end of the third fixing sub-member 323 is connected to a second end of the first fixing sub-member 321, a second end of the third fixing sub-member 323 is connected to the base 325, a first end of the fourth fixing sub-member 324 is connected to a second end of the second fixing sub-member 322, and a second end of the fourth fixing sub-member 324 is connected to the base 325; an included angle between the third fixing sub-part 323 and the base 325 is an acute angle, and an included angle between the fourth fixing sub-part 324 and the base 325 is an acute angle.
It can be understood that, in this embodiment, by setting the included angle between the third fixing sub 323 and the base 325 to be an acute angle, and the included angle between the fourth fixing sub 324 and the base 325 to be an acute angle, the third fixing sub 323, the base 325 and the fourth fixing sub 324 form a cone, so as to facilitate the installation and the removal of the supporting column 30.
Further, in the present embodiment, the positioning portion 32 includes four fixing sub-members 32A, and the four fixing sub-members 32A are uniformly distributed; specifically, one fixing sub-piece 32A is arranged at 90 ° intervals along the clockwise direction, and the distances from the adjacent fixing sub-pieces 32A to the center line W of the through hole 110 are equal, so that the connecting effect of the positioning part 32 and the through hole 110 is improved; it is understood that the positioning portion 32 includes four fixing elements 32A for illustration purposes only, and the positioning portion 32 may also include three fixing elements 32A.
Further, in this embodiment, the support portion 31 includes a support main body portion 31A and a support branch portion 31B, a first end of the support main body portion 31A abuts against the optical film 20, a second end of the support main body portion 31A is connected to a first end of the support branch portion 31B, a second end of the support branch portion 31B abuts against the bottom frame 11, and a width of the support branch portion 31B is larger than an aperture of the through hole 110; it can be understood that, in the present embodiment, by disposing the first end of the supporting main body portion 31A to abut against the optical film 20, the second end of the supporting main body portion 31A is connected to the first end of the supporting branch portion 31B, the second end of the supporting branch portion 31B abuts against the bottom frame 11, and the width of the supporting branch portion 31B is larger than the aperture of the through hole 110, the movement of the supporting portion 31 relative to the bottom frame 11 in the direction perpendicular to the bottom frame 11 is further limited, and the fixing effect of the supporting column 30 is improved.
Referring to fig. 8, in a top view of the supporting column provided in the present embodiment, the supporting body 31A is a cone, a cone or a triangular pyramid; preferably, the support body is cone-shaped; it can be understood that, the volume of the cone is smaller, the occupied space is smaller, and the light that can be shielded is less, and when the supporting main body portion 31A is in the shape of a cone, the area of the dark shadow region caused by the supporting pillar 30 on the optical film 20 is smaller, so as to reduce the influence of the supporting pillar 30 on the light emitting effect of the backlight module 200; further, the end of the support main body portion 31A is a smooth flat surface portion, so that the support main body portion 31A is prevented from scratching the surface of the optical film 20 when supporting the optical film 20.
In this embodiment, the backlight module 200 further includes a supporting film 60 located between the supporting portion 31 and the bottom frame 11, the supporting film 60 includes a second opening (not shown), the diameter of the second opening is greater than or equal to the diameter of the through hole 110, and the first end of the positioning portion 32 passes through the second opening and is connected to the second end of the supporting portion 31, wherein the supporting film 60 is located in the first opening 41 of the light reflecting sheet, the supporting film 60 contacts the inner wall of the first opening 41, and the material of the supporting film 60 includes, but is not limited to, foam rubber; it can be understood that, in the present embodiment, a supporting film 60 is disposed between the supporting portion 31 and the bottom frame 11, the supporting film 60 is disposed in the first opening 41 of the reflector, the supporting film 60 is in contact with an inner wall of the first opening 41, and the material of the supporting film 60 includes, but is not limited to, foam rubber, so as to buffer the reflector 40 and prevent the supporting column 30 from arching around the reflector 40 during the installation or removal process.
It is understood that the number and the kind of the optical films 20 are not particularly limited in this embodiment, and preferably, in this embodiment, the optical films 20 are diffusion plates.
The present embodiment provides a display device, which includes the backlight module and the display panel described in any of the above embodiments, wherein the backlight module is disposed on one side of the display panel in a backlight manner.
The display panel includes, but is not limited to, a Light-emitting diode (LED) display panel, which is not limited in this embodiment; it should be noted that, in this embodiment, the technical solution of the present application is described by taking the display panel as an example.
It is understood that the backlight module has been described in detail in the above embodiments, and the description is not repeated here.
In specific application, the display device can be a display screen of a smart phone, a tablet computer, a notebook computer, an intelligent bracelet, an intelligent watch, intelligent glasses, an intelligent helmet, a desktop computer, an intelligent television or a digital camera, and even can be applied to an electronic device with a flexible display screen.
In summary, the present application provides a backlight module and a display device, where the backlight module includes a bottom frame, an optical film disposed opposite to the bottom frame, and a support pillar located on one side of the optical film close to the bottom frame, and the bottom frame is provided with a through hole corresponding to the support pillar; wherein, the support column is including being located optical film with supporting part between the underframe and being located the underframe is kept away from the location portion of optical film one side, wherein, the first end of supporting part with the optical film butt, the second end of supporting part with the underframe butt, thereby make the supporting effect of support column is more firm, location portion with the supporting part is connected, wherein, location portion has elasticity, location portion passes through the through-hole with the underframe joint, thereby make the dismantlement process of support column is simple, avoids dismantling the in-process of support column damages other parts.
The backlight module and the display panel provided by the embodiment of the present application are described in detail above, and specific examples are applied herein to explain the principle and the embodiment of the present application, and the description of the embodiments above is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (12)
1. A backlight module is characterized by comprising a bottom frame, an optical film arranged opposite to the bottom frame and a support column positioned on one side of the optical film close to the bottom frame, wherein the bottom frame is provided with a through hole corresponding to the support column; wherein, the support column includes:
the supporting part is positioned between the optical film and the bottom frame, a first end of the supporting part is abutted with the optical film, and a second end of the supporting part is abutted with the bottom frame;
the positioning part is located on one side, far away from the optical membrane, of the supporting part and is connected with the supporting part, wherein the positioning part has elasticity, and the positioning part passes through the through hole and is clamped with the bottom frame.
2. The backlight module according to claim 1, wherein a first end of the positioning portion is connected to a second end of the supporting portion, the second end of the positioning portion is engaged with a side of the bottom frame away from the optical film, and a side surface of the positioning portion abuts against an inner wall of the through hole;
when the supporting part moves towards the direction close to the optical film, the positioning part contracts towards the direction close to the center line of the through hole.
3. The backlight module according to claim 1, wherein the positioning portion comprises at least a first fixing sub-member and a second fixing sub-member, the first end of the first fixing sub-member is connected to the second end of the supporting portion, the second end of the first fixing sub-member is connected to one side of the bottom frame away from the optical film, the side of the first fixing sub-member abuts against the inner wall of the through hole, the first end of the second fixing sub-member is connected to the second end of the supporting portion, the second end of the second fixing sub-member is connected to one side of the bottom frame away from the optical film, and the side of the second fixing sub-member abuts against the inner wall of the through hole.
4. The backlight module according to claim 3, wherein the first and second fixing sub-members comprise arc portions protruding in a direction away from a center line of the through hole, and wherein at least a portion of the arc portions are located in the through hole and are clamped with the through hole.
5. The backlight module of claim 4, wherein the first stator member comprises a first stator portion disposed in the through hole and a second stator portion disposed on a side of the first stator portion away from the optical diaphragm, and the second stator member comprises a third stator portion disposed in the through hole and a fourth stator portion disposed on a side of the third stator portion away from the optical diaphragm, wherein a distance between the first stator portion and the third stator portion is greater than or equal to a diameter of the through hole, and a distance between the second stator portion and the fourth stator portion is greater than or equal to a diameter of the through hole.
6. The backlight module according to claim 5, wherein the length of the first stator part is smaller than the depth of the through hole, and at least a part of the second stator part is located in the through hole and clamped with the inner wall of the through hole; the length of the third fixed stator part is smaller than the depth of the through hole, and at least part of the fourth fixed stator part is positioned in the through hole and is clamped with the inner wall of the through hole.
7. The backlight module according to claim 3, wherein the positioning portion further comprises a base, the second end of the first fixing member is connected to the base, and the first end of the first fixing member extends from the base to the direction of the bottom frame and is connected to the second end of the supporting portion; the second end of the second fixed sub-part is connected with the base, and the first end of the second fixed sub-part extends from the base to the direction that the bottom frame approaches and is connected with the second end of the supporting part.
8. The backlight module according to claim 7, wherein the positioning portion further comprises a third fixing sub-member and a fourth fixing sub-member, a first end of the third fixing sub-member is connected to a second end of the first fixing sub-member, a second end of the third fixing sub-member is connected to the base, a first end of the fourth fixing sub-member is connected to a second end of the second fixing sub-member, and a second end of the fourth fixing sub-member is connected to the base; the included angle between the third fixing sub-piece and the base is an acute angle, and the included angle between the fourth fixing sub-piece and the base is an acute angle.
9. The backlight module according to claim 1, wherein the supporting portion comprises a supporting main body portion and a supporting branch portion, a first end of the supporting main body portion abuts against the optical film, a second end of the supporting main body portion is connected with a first end of the supporting branch portion, and a second end of the supporting branch portion abuts against the bottom frame.
10. A backlight module according to claim 9, wherein the support branches have a width larger than the aperture of the through holes.
11. The backlight module according to claim 1, further comprising a support film layer disposed between the support portion and the bottom frame, wherein the support film layer comprises an opening having a diameter greater than or equal to that of the through hole, and the first end of the positioning portion passes through the opening and is connected to the second end of the support portion.
12. A display device, comprising the backlight module of any one of claims 1 to 11 and a display panel, wherein the backlight module is disposed on one side of the display panel in a backlight manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211199698.5A CN115480423B (en) | 2022-09-29 | 2022-09-29 | Backlight module and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211199698.5A CN115480423B (en) | 2022-09-29 | 2022-09-29 | Backlight module and display device |
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| CN115480423A true CN115480423A (en) | 2022-12-16 |
| CN115480423B CN115480423B (en) | 2024-02-27 |
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| CN202211199698.5A Active CN115480423B (en) | 2022-09-29 | 2022-09-29 | Backlight module and display device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011248121A (en) * | 2010-05-27 | 2011-12-08 | Panasonic Liquid Crystal Display Co Ltd | Liquid crystal display device |
| CN202432456U (en) * | 2012-02-03 | 2012-09-12 | 广州创维平面显示科技有限公司 | Diffusion plate bracket and straight down type backlight module |
| CN203413555U (en) * | 2013-09-06 | 2014-01-29 | 创维液晶器件(深圳)有限公司 | Diffusion plate bracket, direct type backlight module and television |
| US20170010506A1 (en) * | 2014-09-11 | 2017-01-12 | Shenzhen Tcl New Technology Co., Ltd | Supporting member for diffusion plate and backlight module |
| CN106873243A (en) * | 2017-04-12 | 2017-06-20 | 青岛海信电器股份有限公司 | A kind of diffusion plate support, down straight aphototropism mode set and display device |
| CN209992784U (en) * | 2019-07-08 | 2020-01-24 | 创维光电科技(深圳)有限公司 | Support piece, backlight module and display device |
| CN112684634A (en) * | 2020-12-29 | 2021-04-20 | Oppo广东移动通信有限公司 | Backlight module and electronic equipment |
-
2022
- 2022-09-29 CN CN202211199698.5A patent/CN115480423B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011248121A (en) * | 2010-05-27 | 2011-12-08 | Panasonic Liquid Crystal Display Co Ltd | Liquid crystal display device |
| CN202432456U (en) * | 2012-02-03 | 2012-09-12 | 广州创维平面显示科技有限公司 | Diffusion plate bracket and straight down type backlight module |
| CN203413555U (en) * | 2013-09-06 | 2014-01-29 | 创维液晶器件(深圳)有限公司 | Diffusion plate bracket, direct type backlight module and television |
| US20170010506A1 (en) * | 2014-09-11 | 2017-01-12 | Shenzhen Tcl New Technology Co., Ltd | Supporting member for diffusion plate and backlight module |
| CN106873243A (en) * | 2017-04-12 | 2017-06-20 | 青岛海信电器股份有限公司 | A kind of diffusion plate support, down straight aphototropism mode set and display device |
| CN209992784U (en) * | 2019-07-08 | 2020-01-24 | 创维光电科技(深圳)有限公司 | Support piece, backlight module and display device |
| CN112684634A (en) * | 2020-12-29 | 2021-04-20 | Oppo广东移动通信有限公司 | Backlight module and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN115480423B (en) | 2024-02-27 |
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