CN107193156A - A kind of backlight module and its display device - Google Patents
A kind of backlight module and its display device Download PDFInfo
- Publication number
- CN107193156A CN107193156A CN201710328529.XA CN201710328529A CN107193156A CN 107193156 A CN107193156 A CN 107193156A CN 201710328529 A CN201710328529 A CN 201710328529A CN 107193156 A CN107193156 A CN 107193156A
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- China
- Prior art keywords
- backboard
- supporting walls
- light guide
- guide plate
- back board
- Prior art date
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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
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133314—Back frames
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
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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)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of backlight module and its display device.The backlight module of the present invention, including backboard, center, light guide plate.The back board module includes the first backboard and length and width size is more than the second backboard of first backboard, and the second backboard superposition is fixed on the top of first backboard, and forming side has the back board module of extension；The center includes the first supporting walls for being used to press admittedly described extension, and is disposed in parallel in the second supporting walls above first supporting walls；The light guide plate includes incident side and the affixed side for being fixed on the center；The affixed side of the light guide plate is inserted between first supporting walls and the second supporting walls, and disclosed display device includes display panel, radiator, lamp bar component and above-mentioned backlight module.The present invention realizes light guide plate and miscellaneous part is fixed well, effectively reduce the size of absolute hem width by providing a kind of new center and back board structure.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of backlight module and its display device.
Background technology
Rimless and ultra-narrow frame have become the development trend of liquid crystal display device.Liquid crystal display device it is main
Part be display panel and backlight module, backlight module mainly include center, light guide plate and backboard, and Rimlessization and
The realization of ultra-narrow frame depends primarily on the structure of center in backlight module, and light guide plate and backboard and center fixation side
Case.
In the prior art, the middle frame structure of Rimless and ultra-narrow frame, and light guide plate and backboard and center fixation side
Case mainly has two kinds, and the first scheme is as shown in figure 1, display device includes display panel 104 and backlight module, backlight module bag
Include center 102, light guide plate 103 and backboard 101.This programme is using pressure light guide plate backing structure, i.e., directly in the side wall of center 102
The stepped projection for pressing solid light guide plate 103 and backboard 101 respectively is processed on surface, it is stepped raised including the first projection 1021
With the second projection 1022, directly, backboard 101 is arranged on the lower section of the first projection 1021, and it is raised that light guide plate 103 is arranged on second
1022 lower section is simultaneously relative with the side of the first projection 1021, and the upper surface of the second projection 1022 of the solid light guide plate 103 of pressure is used for
Place and fixed display panel 104, realize the assembling of Frame-free liquid crystal display device.
In order to be described in detail this programme, exemplified by 65 cun of PMMA of first choice or resinae light guide plate, and display panel 104 includes
Viewing area and non-display area, the black surround BM sizes of the non-display area of existing display panel resource display panel can be as small as
3mm ranks.As shown in Fig. 2 in the program, light guide plate is apart from display panel viewing area edge AA areas（Covered comprising the second projection
The size of lid pressure light guide plate）Size A >=2.2mm, the distance between the raised side of light guide plate distance first is swollen for light guide plate
Swollen gap B >=2.2mm, the first projection length of stationary backplate adds center thickness size for C >=5mm, therefore display panel is shown
The back gauge that arrives of region to center lateral surface is W1=A+B+C >=9.4mm, and display panel black surround BM size is only BM=3mm,
Therefore definitely frame is W1=W1-BM=9.4-3 >=6.4mm, and the larger display panel BM that has been even more than of the absolute frame is worth two
Times size, causes appearance poor, is disagreed with the theory of Rimless or ultra-narrow frame, it is impossible to truly realize " nothing
The effect of frame ".
Moreover, this scheme is arranged on the lower section of the projection 1022 of center 102 second due to light guide plate 103, can only during assembling
Using outside backboard 101 to the assembling that backlight module is realized by the way of the reverse locking screw in the direction of display panel 104, this group
Dress method reduces efficiency of assembling, is unfavorable for production.
Second scheme is as shown in figure 3, the backlight module in program liquid crystal display device includes center 202, light guide plate
203 and backboard 201, display panel 204 is further comprises in liquid crystal display device.The program uses and does not press light conducting plate structure,
One projection 2021 is only set in the side wall inner surfaces of center 202, and for the fixation to backboard 201, light guide plate 203 is located at backboard
201 top, and the side and the side of projection 2021 of light guide plate 203 are oppositely arranged, display panel 204 is located at light guide plate
203 top, and the lower surface of display panel 204 is fixedly connected with the upper surface of projection 2021.
For detailed description this programme, equally select exemplified by 65 cun of PMMA or resinae light guide plate, and display panel
204 include viewing area and non-display area, the black surround BM sizes of the non-display area of existing display panel resource display panel
It can be as small as 3mm ranks.
As shown in Fig. 2 size A >=0.1mm of the light guide plate 203 apart from the viewing area edge AA areas of display panel 204, guide-lighting
Plate 203 is the expansion clearance B of light guide plate 203 >=2.2mm apart from the distance between side of projection 2021, stationary backplate 201 it is convex
Playing 2021 length adds the thickness size of center 202 to be C >=5mm, therefore the viewing area of display panel 204 is to the lateral surface of center 202
It is W1=A+B+C >=6.2mm to back gauge, display panel black surround BM size is only BM=3mm, therefore definitely hem width W1=W1-BM
>=3.2mm, compared with display panel black surround BM=3mm, or it is larger, and in this scheme on display panel 204 and center 202
Between raised 2021 upper surface of setting be adhesively fixed apart from d=BM-（B-|A|）=3-（2.2-1）=0.8mm, but at present
0.8mm bonding space can not meet the fixation of display panel 204.
Light guide plate 203 only has the limitation of display panel 204 on the vertically displayed direction of panel 204 in this scheme, not
The limitation of corresponding construction on to center 202, and the fixed form of display panel 204 is convex to be fixed on using tape-stripping scheme
On the upper surface for playing 2021 so that light guide plate 203, which easily oppresses display panel 204, causes display panel bonded structure to damage, very
To the problem of causing disengaging center 202 of display panel 204.
Stationary backplate, light guide plate and display panel are met because the center in Rimless liquid crystal module needs to set simultaneously
Structure, in the case where only changing middle frame structure, if setting two structures of stationary backplate and light guide plate to lead on center
Cause the absolute W1 that broadens larger, be even more than twice of BM black surrounds, but if only setting the structure of stationary backplate on center,
Also it is to show another caused defect even if the W1 that definitely broadens will effectively be reduced, but still be more than black surround BM value
Show that panel pastes fixed distance only 0.8mm, it is impossible to meet the fixation of display panel, and light guide plate does not obtain center
It is fixed, cause light guide plate to extrude display panel, easily cause the problem of display panel comes off.
Therefore, solve prior art problem it is crucial that in Rimless liquid crystal module, realizing that light guide plate is solid well
Calmly and do not influence on the basis of other assemblies fixation, realize that absolute frame W1 is worth reduction.
The content of the invention
The present invention provides a kind of backlight module and display device there is provided a kind of new center and back board structure, realizes and leads
Tabula rasa is fixed well, reduces the size of absolute hem width W1 values, and center corresponding construction has enough spaces to realize and display
The fixation of panel.
First aspect present invention provides a kind of backlight module, including back board module, center, light guide plate, wherein, the backboard
Component, including the first backboard and length and width size are more than the second backboard of first backboard, and the second backboard superposition is fixed on
The top of first backboard, is wider than the extension of first backboard in second back plate edges formation；The center, bag
Include for pressing the first supporting walls of admittedly described extension, and be disposed in parallel in the second support above first supporting walls
Wall；The light guide plate, including incident side and the affixed side for being fixed on the center, the affixed side are inserted into described
Between one supporting walls and the second supporting walls.
Further, the first backboard and the second backboard pass through adhering fixed mode formation back board module, or back board module one
It is body formed.
Further, the distance between the first supporting walls and the second supporting walls size are more than the thickness size of light guide plate.
Optionally, extension is fixedly connected with the lower surface of the first supporting walls by bonding way, and ensures the second backboard
Upper surface and the first supporting walls upper surface flush.
Optionally, extension is fixedly connected with the lower surface of the first supporting walls by screw, and ensures the upper of the second backboard
Surface and the upper surface flush of the first supporting walls.
Another aspect of the present invention provides a kind of display device, including above-mentioned backlight module, in addition to display panel, dissipates
Hot device and back light unit, wherein, display panel is fixedly connected with the upper surface of the second supporting walls；Radiator includes being fixedly connected
Bottom plate below back board module, the side plate being oppositely arranged with light guide plate incidence surface, the bottom plate and back board module by tight
Gu mode connects for screw；Back light unit is fixed on the medial surface of the radiator side plate.
Further, bottom plate correspondence trip bolt position offers through hole type sliding recess, the lower surface pair of back board module
The sliding recess is answered to open up screwed hole, trip bolt coordinates with the screwed hole.
Further, display panel is pasted and fixed on the upper surface of the second supporting walls.
The present invention is set and its first fixed supporting walls that cooperate, use by changing back board structure, and on center
In lightguide plate fixing and the second supporting walls of display panel, realize light guide plate and its other assemblies are fixed well, and effectively
The value for reducing absolute frame W1, compared with prior art, by setting side to have the back board module of extension, accordingly,
Center sets the first supporting walls of the solid extension of pressure, and first support side by side is provided for placing the second of display panel
Supporting part, so as to realize the placement and fixation of light guide plate using the space between the first supporting walls and the second support arm so that in
The wall thickness of frame most I is 1.5mm, is ensureing that light-guide edge is swollen away from display panel viewing area Edge Distance A, light guide plate
In the case that swollen space B, display panel black surround BM value are constant, realize that absolute frame W11 is worth reduction, W11 of the present invention value
Minimum 2.9mm, has obvious reduction compared to the 6.4mm of prior art one.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly or scheme of the prior art, below will be to embodiment or existing skill
The accompanying drawing used required in art description does one and simply introduced, it should be apparent that, drawings in the following description are of the invention
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the display device partial sectional view of prior art one；
Fig. 2 is the display device partial sectional view of prior art two；
Fig. 3 A are the structural representation of back board module of the present invention；
Fig. 3 B are the structural representation of center of the present invention；
Fig. 4 is the overall structure diagram of display device of the present invention；
Fig. 5 A are the lateral partial structurtes sectional view at M in Fig. 4 along A directions；
Fig. 5 B are Fig. 5 A dimension mark figure；
Fig. 6 is the partial sectional view in Fig. 4 perpendicular to A directions.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment one
The present embodiment provides a kind of backlight module, as shown in Figure 5A, a kind of backlight module, including back board module 301, center 302,
Light guide plate 303, wherein, as shown in Figure 3A, back board module 301 includes the first backboard 3011 and length dimension is more than the first backboard
3011 the second backboard 3012, the second backboard 3012 is superimposed the top for being fixed on the first backboard 3011, and forming side has extension
Back board module 301.
As shown in Figure 3 B, center 302 includes the first supporting walls 3021 for being used to press the solid extension of back board module 301, and
Be disposed in parallel in the second supporting walls 3022 of the top of the first supporting walls 3021, the first supporting walls 3021 and the second supporting walls 3022 it
Between space be used for the part such as lightguide plate fixing 303, reflector plate, as shown in Figure 5A at M in Fig. 4 along A to sectional view,
Wherein the function of light guide plate 303 for guiding side enter light source switch to planar light extracting, its structure include incident side and for will
It is fixed on the affixed side on the center 302, and the affixed side inserting of light guide plate 303 is supported to the first supporting walls 3021 and second
Between wall 3022, coordinate and reflector plate is arranged between the first supporting walls 3021 and light guide plate 303, realize light guide plate 303 and anti-
Penetrate the installation and fixation of piece.
Further, it is that corresponding realize coordinates the fixed structure of center 302 with it to change the structure purpose of back board module 301
Reset, so the first backboard 3011 be superimposed with the second backboard 3012 formed back board module 301 generation type and jail
Solidity will affect the assembling of back board module 301 and center 302.
It is preferred that, the first backboard 3011 is fixed together with the second backboard 3012 by the way of Nian Jie, such a mode side
Just the assembling of back board module 301 and center 302, first places the first backboard 3011, makes the first backboard 3011 and the first supporting part
3021 lower surface is fixedly connected, and the glue for fixing the second backboard 3012 is then smeared on the upper surface of the first backboard 3011
Body, realizes the assembling of back board module 301 and the assembling of back board module 301 and center 302.In order to reduce the first backboard 3011 of bonding
With the trouble of the second backboard 3012, when back board module 301 is produced, the back board module 301 of integrative-structure can be directly produced,
Fixed for the cooperation with center 302.
The placement of reflector plate and light guide plate 303 for convenience, and ensure holding plane level, the side of backlight assembly 301
Extension is fixedly connected with the lower surface of the first supporting walls 3021 by bonding way, and should ensure that the upper of the second backboard 3012
Surface and the upper surface flush of the first supporting walls 3021, and reflector plate and light guide plate 303 are pressed on the upper of the second backboard 3012
Side, is effectively guaranteed the fastness connected between the second backboard 3012 and the first backboard 3011.
Optionally, the lower surface of the extension of the side of backlight assembly 301 and the first supporting walls 3021 is fixed by screw and connected
Connect, and ensure the upper surface of the second backboard 3012 and the upper surface flush of the first supporting walls 3021.
Further, the space between the first supporting walls 3021 and the second supporting walls 3012 have to be larger than light guide plate
303 thickness, the space is also needed to place the parts such as reflector plate in addition to placing light guide plate 303, and reflector plate is placed
Between the first supporting walls 3021 and light guide plate 303.
A kind of display device is also provided in beneficial effects of the present invention, the present embodiment in order to better illustrate, such as Fig. 5 A institutes
Show with shown in Fig. 6, the display device include the present embodiment provided in a kind of backlight module, in addition to display panel 304, dissipate
Hot device 305, back light unit 306, wherein, display panel 304 be arranged on the top of the second supporting walls 3022 and with the second supporting walls
3022 are fixedly connected by bonding way；Radiator 305 include being fixedly connected on the bottom plate 3051 of the lower section of back board module 301, with
In the side plate 3052 that the incidence surface of light guide plate 303 is oppositely arranged, the present embodiment, preferably bottom plate 3051 with back board module 301 by tight
Gu the mode that screw 307 is fixed is attached, and realizes the assembling of light guide plate 303,3051 pairs of base plate of radiator for convenience
The position of trip bolt 307 is answered to offer through hole type sliding recess 3053, the size of the sliding recess 3053 is more than trip bolt
307 size, can be achieved the slidably reciprocating in sliding recess 3053 of trip bolt 307, accordingly, under back board module 301
The position of surface correspondence sliding recess 3053 offers screwed hole 3013, and trip bolt 307 coordinates with screwed hole 3013, fastens spiral shell
Regulation of the radiator 305 in the fixed position of back board module 301 can be achieved in the setting of nail 307 and sliding recess 3053, moreover, working as to enter
When row light guide plate 303 is installed, radiator 305 first can be pulled out into respective distance, facilitate light guide plate 303 to be encased on center 302.
Back light unit 306 is fixed on the medial surface of the side plate 3052 of radiator 305, relative with the incidence surface of light guide plate 303,
Its light sent is set to incide in light guide plate 303, in order that the uniform light received in light guide plate 303, back light unit
306 are uniformly arranged on the medial surface of the side plate 3052 of radiator 305.
5B illustrates a kind of beneficial effect for display device that the present embodiment is put forward below in conjunction with the accompanying drawings, equally using 65
Very little PMMA（Acrylic）Or PS（Polystyrene）Exemplified by resinae light guide plate and display panel black surround BM=3mm, such as Fig. 5 A and 5B
It is shown, reserved expansion clearance B >=2.2mm between light guide plate 303 and center 302, the Edge Distance display panel of light guide plate 303
304 viewing areas edge AA areas（Containing the second supporting walls covering pressure light guide plate size）Apart from A >=2.2mm, center sidewall thickness C >=
1.5mm, thus the viewing area edge of display panel 304 to the outer ledge of center 302 apart from W1=A+B+C >=5.9mm,
And the black surround BM values of display panel 304 are only 3mm, therefore definitely frame W11=W1-BM >=2.9mm, with scheme of the prior art
One absolute hem width 6.4mm is compared, and this value has more apparent reduction, the absolute frame 3.2mm phases with scheme two of the prior art
Than, also achieve the reduction of absolute hem width, it will be apparent that be improved to, display panel is adhesively fixed apart from d=0.8mm in scheme two,
This value is smaller, it is impossible to meet the bonding space required for display panel is fixed, and in the present embodiment, and light guide plate 303 is arranged on the
The lower section of two support arms 3022, display panel 304 is arranged on the top of the second supporting walls 3022, can make the second support arm 3022
There is appropriate extension elongation, required bonding distance is fixed to meet display panel 304.
Embodiment two
The purpose of the present embodiment is that there is provided one on the basis of a kind of backlight module and its display device that embodiment one is provided
The assemble method of display device is planted, assemble method is included：Back board module 301 is fixedly connected on the supporting walls 3011 of center 302 first
Lower surface, radiator 305 coordinates installed in the back of the body by trip bolt 307 through sliding recess 3053 and with screwed hole 3013
The bottom of board component 301.
Following steps are used when assembling light guide plate：
Step 1：The trip bolt 307 is loosened, using the remaining space of sliding recess 3053, the radiator 305 is pulled out；
Step 2：First supporting walls are arrived into the inserting of the affixed side of light guide plate 303 using the flexible characteristic of the light guide plate 303
Between 3021 and second supporting walls 3022；
Step 3：Push away and fill the radiator 305, the light guide plate 303 is promoted using the side plate of radiator 305, by light guide plate
303 another affixed side insertings are arrived between first supporting walls 3021 and second supporting walls 3022.
Then display panel 304 is adhesively fixed on to the upper surface of the second supporting walls 3022, the assembling of display device is completed.
Finally it should be noted that：Various embodiments above is only to illustrate the technical scheme in the present invention, rather than its limitations；
Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：Its
The technical scheme described in foregoing embodiments can still be modified, or to which part or all technical characteristic
Carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention skill
The scope of art scheme.
Claims (8)
1. a kind of backlight module, including back board module, center, light guide plate, it is characterised in that：
The back board module, including the first backboard and length and width size are more than the second backboard of first backboard, second back of the body
Plate is superimposed the top for being fixed on first backboard, is wider than the stretching of first backboard in second back plate edges formation
Portion；
The center, including for pressing the first supporting walls of admittedly described extension, and it is disposed in parallel in first supporting walls
Second supporting walls of top；
The light guide plate, including incident side and the affixed side for being fixed on the center, the affixed side are inserted into described
Between first supporting walls and the second supporting walls.
2. a kind of backlight module according to claim 1, it is characterised in that first backboard and the second backboard pass through viscous
Connect fixed form and form the back board module, or the back board module is integrally formed.
3. a kind of backlight module according to claim 1, it is characterised in that the extension and first supporting walls
Lower surface is fixedly connected by bonding way, and ensures the upper surface of second backboard and the upper surface of first supporting walls
Flush.
4. a kind of backlight module according to claim 1, it is characterised in that the extension and first supporting walls
Lower surface is fixedly connected by screw, and ensures that the upper surface and the upper surface of first supporting walls of second backboard are neat
It is flat.
5. a kind of backlight module according to claim 1, it is characterised in that first supporting walls and the described second support
The distance between wall size is more than the thickness size of the light guide plate.
6. a kind of display device, it is characterised in that：Including display panel, radiator, back light unit and according to claim
A kind of backlight module described in 1-5；
The display panel is fixedly connected with the second supporting walls upper surface；
The radiator includes being fixedly connected on the side that bottom plate and light guide plate incidence surface below the back board module are oppositely arranged
Plate, the bottom plate is connected with the back board module by trip bolt；
The back light unit is fixed on the medial surface of the radiator side plate.
7. a kind of display device according to claim 6, it is characterised in that the bottom plate correspondence trip bolt position
Through hole type sliding recess is offered, the lower surface correspondence sliding recess of the back board module opens up screwed hole, the fastening
Screw coordinates with the screwed hole.
8. a kind of display device according to claim 6, it is characterised in that the display panel is pasted and fixed on described
The upper surface of two supporting walls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328529.XA CN107193156A (en) | 2017-05-11 | 2017-05-11 | A kind of backlight module and its display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710328529.XA CN107193156A (en) | 2017-05-11 | 2017-05-11 | A kind of backlight module and its display device |
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| CN107193156A true CN107193156A (en) | 2017-09-22 |
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| CN201710328529.XA Pending CN107193156A (en) | 2017-05-11 | 2017-05-11 | A kind of backlight module and its display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164637A (en) * | 2018-10-10 | 2019-01-08 | 青岛海信电器股份有限公司 | Backlight module and display device |
| CN109856836A (en) * | 2018-12-28 | 2019-06-07 | 青岛海信商用显示股份有限公司 | A kind of display module and display equipment |
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Application publication date: 20170922 |