CN106226952A - A kind of backlight module and preparation method thereof, display device - Google Patents
A kind of backlight module and preparation method thereof, display device Download PDFInfo
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- CN106226952A CN106226952A CN201610666017.XA CN201610666017A CN106226952A CN 106226952 A CN106226952 A CN 106226952A CN 201610666017 A CN201610666017 A CN 201610666017A CN 106226952 A CN106226952 A CN 106226952A
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- backlight module
- luminescence unit
- guide plate
- light guide
- refractive index
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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
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of backlight module and preparation method thereof, display device, relates to Display Technique field, and this backlight module can improve the fiber-loss caused more greatly because of the refractive index of air and the refractive index of light guide plate.A kind of backlight module, including: light guide plate and luminescence unit, described luminescence unit is positioned at the side of described light guide plate；Described backlight module also includes: hyalomere, described hyalomere is arranged between described luminescence unit with described light guide plate and contacts with described luminescence unit and described light guide plate respectively, and the refractive index of described hyalomere is less than the refractive index of described light guide plate and the difference of the refractive index of air with the absolute value of the difference of the refractive index of described light guide plate.The present invention is applicable to backlight module and includes the making of display device of this backlight module.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of backlight module and preparation method thereof, display device.
Background technology
Side entering type liquid crystal indicator has the features such as thin, the low cost of thickness, has been widely used for Display Technique field
In.Side entering type liquid crystal indicator needs to arrange backlight module could realize display.
With reference to shown in Fig. 1, backlight module specifically includes that light guide plate (Light Guide Plate, LGP) 1, LED (Light
Emitting Diode, light emitting diode) 2 and FPC (FlexiblePrinted Circuit, flexible printed circuit boards) 3, its
In, the side of FPC3 is positioned on the side of light guide plate 1 and is fixed with light guide plate 1 by double faced adhesive tape 4, and LED2 is positioned at light guide plate 1
Side and be fixed on the lower surface of FPC3 by scolding tin.Being limited to technological level limit, LED2 can not be the tightest with light guide plate 1
Suffer, there is the air gap 5 (Air Gap) between the two.
In order to obtain the LED that package quality is high, light transmittance is high, generally phosphor gel is entrained in LED fluorescent powder together with,
LED fluorescent powder is evenly distributed in phosphor gel.The refractive index of phosphor gel and the refractive index of light guide plate are approximately 1.5,
The refractive index of air is 1.With reference to shown in Fig. 2, due to air refractive index respectively with refractive index, the folding of light guide plate of phosphor gel
Penetrate rate difference relatively big, then the light that LED2 sends enters the air gap 5, when being entered light guide plate 1 by the air gap 5, some light meeting
Reflect, it is impossible to enter in light guide plate 1, thus produce fiber-loss；So can reduce backlight illumination, and then reduce display
Quality.
Summary of the invention
Embodiments of the invention provide a kind of backlight module and preparation method thereof, display device, and this backlight module can change
The kind fiber-loss caused more greatly because of the refractive index of air and the refractive index of light guide plate.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
On the one hand, it is provided that a kind of backlight module, including: light guide plate and luminescence unit, described luminescence unit is positioned at described
The side of light guide plate；
Described backlight module also includes: hyalomere, and described hyalomere is arranged at described luminescence unit and described leaded light
Contact between plate and respectively with described luminescence unit and described light guide plate, the refractive index of described hyalomere and described light guide plate
The absolute value of the difference of refractive index is less than the difference of the refractive index of described light guide plate and the refractive index of air.
Optionally, described luminescence unit includes: at least one LED, and described LED includes: phosphor gel, described hyalomere
Refractive index is less than the refractive index of described phosphor gel and the refraction of air with the absolute value of the difference of the refractive index of described phosphor gel
The difference of rate.
Optionally, in the refractive index of the refractive index of described hyalomere, the refractive index of described phosphor gel and described light guide plate,
The absolute value of difference between any two is in the range of 0-0.033.
Optionally, described backlight module also includes: circuit board, and described luminescence unit is fixed on the part of described circuit board
Face, the part surface of described circuit board deviates from the exiting surface of described backlight module, is not provided with described in the part surface of described circuit board
The first side of luminescence unit is fixing with the side of described light guide plate to be connected；Described hyalomere at least surrounds described luminescence unit
Surrounding.
Optionally, described hyalomere be coated with in described luminescence unit not with the part of described circuit board contacts.
Optionally, the material of described hyalomere is colloid.
Optionally, described backlight module also includes: glue frame, is provided with protuberance inside described glue frame；Described circuit board
Second side relative with described first side in part surface is the exiting surface of close described backlight module with described protuberance
Surface is fixing to be connected, and described hyalomere is bonding with described luminescence unit by described protuberance.
Optionally, described backlight module also includes: supporting layer, and described supporting layer is arranged on described luminescence unit and described leads
Away from the side of exiting surface of described backlight module in tabula rasa；Described supporting layer is glued by described hyalomere with described luminescence unit
Connect.
On the other hand, it is provided that the manufacture method of a kind of backlight module, described method includes:
Light guide plate, the circuit board that is provided with luminescence unit are carried out pre-determined bit, and wherein, the side of described light guide plate is arranged on
The part surface of described circuit board is not provided with on the side area of described luminescence unit；
Described circuit board arranges gear sealing rubber die so that described luminescence unit is positioned at described gear sealing rubber die, described leaded light
In the space that plate and described circuit board are surrounded；
Flowable colloid is injected into the space that described gear sealing rubber die, described light guide plate and described circuit board surround
In；
Solidify described colloid, and remove described gear sealing rubber die.
Optionally, the height of described gear sealing rubber die is more than the thickness of described luminescence unit.
Optionally, described method also includes:
Before the described colloid of described solidification, use moulding instrument that described colloid is pressurizeed；
After the described colloid of described solidification, remove described moulding instrument.
Another further aspect, it is provided that a kind of display device, including the backlight module described in any of the above-described item.
The embodiment provides a kind of backlight module and preparation method thereof, display device, this backlight module is being sent out
It is provided with hyalomere between light unit and light guide plate, and the refractive index of hyalomere is little with the absolute value of the difference of the refractive index of light guide plate
In the difference of refractive index of refractive index and the air of light guide plate, so, the light that luminescence unit sends enters into leaded light through hyalomere
During plate, compared to existing technology, occur the amount of light of reflection to reduce, thus improve the refraction of the refractive index because of air and light guide plate
Rate differs the fiber-loss caused more greatly.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
The structural representation of the Fig. 1 a kind of backlight module for providing in prior art；
Fig. 2 is the schematic diagram that the light that in Fig. 1, LED sends produces fiber-loss；
The structural representation one of a kind of backlight module that Fig. 3 provides for the embodiment of the present invention；
The structural representation two of a kind of backlight module that Fig. 4 provides for the embodiment of the present invention；
The structural representation three of a kind of backlight module that Fig. 5 provides for the embodiment of the present invention；
A kind of structural representation one keeping off sealing rubber die that Fig. 6 provides for the embodiment of the present invention；
A kind of structural representation two keeping off sealing rubber die that Fig. 7 provides for the embodiment of the present invention；
The schematic flow sheet of the manufacture method of a kind of backlight module that Fig. 8 provides for the embodiment of the present invention；
The schematic diagram using moulding instrument that colloid is pressurizeed that Fig. 9 provides for the embodiment of the present invention.
Reference:
1-light guide plate；2-LED；3-FPC；4-double faced adhesive tape；5-the air gap；6-luminescence unit；7-hyalomere；8-circuit
Plate；9-golden finger；10-glue frame；11-protuberance；12-supporting layer；13-keeps off sealing rubber die；14-moulding instrument；15-colloid.
Detailed description of the invention
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
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment one
Embodiments providing a kind of backlight module, with reference to shown in Fig. 3, this backlight module includes: light guide plate 1 and sending out
Light unit 6, luminescence unit 6 is positioned at the side of light guide plate 1；Backlight module also includes: hyalomere 7, and hyalomere 7 is arranged to be sent out
Contact between light unit 6 with light guide plate 1 and respectively with luminescence unit 6 and light guide plate 1, the refractive index of hyalomere and light guide plate
The absolute value of the difference of refractive index is less than the difference of the refractive index of light guide plate and the refractive index of air.
Above-mentioned luminescence unit can be to include multiple LED2 as shown in Figure 4 and Figure 5, it is also possible to is to include CCFL (Cold
Cathode Fluorescent Lamp, cathode fluorescent tube) etc., it is not construed as limiting here.
The refractive index of above-mentioned hyalomere can be bigger than the refractive index of light guide plate, it is also possible to less than the refractive index of light guide plate, also
Can be identical with the refractive index of light guide plate, be not construed as limiting here, as long as meeting the absolute value folding less than light guide plate of both differences
Penetrate the difference of rate and the refractive index of air.
This backlight module is provided with hyalomere between luminescence unit and light guide plate, and the refractive index of hyalomere and light guide plate
The absolute value of difference of refractive index less than the difference of the refractive index of refractive index and the air of light guide plate, so, luminescence unit sends
Light enters into light guide plate through hyalomere, compared to existing technology, occurs the amount of light of reflection to reduce, thus improves because of air
The fiber-loss that causes more greatly of the refractive index of refractive index and light guide plate.Meanwhile, this backlight module can be avoided using height
The luminescence unit of brightness or avoid using the electric current increasing luminescence unit, and then ensure in the continuation of the journey not reducing display device
Ability and on the premise of not reducing the luminescence unit life-span, can improve fiber-loss problem.
Optionally, it is contemplated that luminosity and Cost Problems, with reference to shown in Fig. 4 and Fig. 5, above-mentioned luminescence unit includes: extremely
Few a LED2, LED include: phosphor gel, the refractive index of hyalomere is less than with the absolute value of the difference of the refractive index of phosphor gel
The refractive index of phosphor gel and the difference of the refractive index of air, so, when the light that luminescence unit sends enters hyalomere, compare existing
Technology, occurs the amount of light of reflection to reduce, and then improves because the refractive index of air and the refractive index of phosphor gel are bigger
The fiber-loss caused, thus further improve backlight illumination, promote display quality.Due to the good luminous performance of LED, should
With relatively broad, Fig. 4-Fig. 7 all includes illustrating as a example by multiple LED by luminescence unit.
Optionally, in the refractive index of the refractive index of hyalomere, the refractive index of phosphor gel and light guide plate, difference between any two
Absolute value in the range of 0-0.033, i.e. it is believed that the refractive index of hyalomere, the refractive index of phosphor gel and the folding of light guide plate
Penetrate rate approximately the same.So, light that luminescence unit sends enters hyalomere, when being entered light guide plate by hyalomere again, compare existing
Technology, occurs two interfaces the amount of light of reflection all to greatly reduce, and then preferably improves because the refractive index of air is divided
The fiber-loss that other and the refractive index of phosphor gel, light guide plate refractive index causes more greatly；Thus further improve
Backlight illumination, lifting display quality.
Optionally, in order to carry luminescence unit and provide it driving curtage, with reference to shown in Fig. 3, above-mentioned backlight
Module also includes: circuit board 8, and luminescence unit 6 is fixed on the part surface of circuit board 8, and the part surface of circuit board 8 deviates from backlight module
Exiting surface, the part surface of circuit board 8 is not provided with the side of the first side of luminescence unit and light guide plate is fixing to be connected；Transparent
Portion 7 at least surrounds the surrounding of luminescence unit 6.
Foregoing circuit plate can be FPC, it is also possible to is ordinary circuit board, is not construed as limiting here；The part of foregoing circuit plate
Face refers to be provided with the face of luminescence unit；Above-mentioned hyalomere can be the surrounding only surrounding luminescence unit, i.e. around luminescence unit
One circle is arranged；Certainly can also is that other set-up modes, be not construed as limiting here.Preferably, in order to preferably play fixing luminescence
Unit, preventing its effect come off, with reference to shown in Fig. 3, hyalomere 7 is coated with in luminescence unit 6 portion not contacted with circuit board 8
Point.The embodiment of the present invention and accompanying drawing are not all said with as a example by the part of circuit board contacts in hyalomere cladding luminescence unit
Bright.Shape and the concrete structure of foregoing circuit plate are all not construed as limiting, example, and with reference to shown in Fig. 4 and Fig. 5, this circuit board 8 also may be used
To include golden finger 9, it is beneficial to be connected with other circuit units.
Luminescence unit is typically fixing on circuit boards by scolding tin, in use easily produces the problem that comes off；Such as Fig. 3
Shown in, the double faced adhesive tape 4 that light guide plate 1 typically passes through is fixing with circuit board 8 to be connected, and is in use susceptible to separation problem,
The many thickness by increase double faced adhesive tape of prior art improves the steadiness of light guide plate and circuit board to strengthen its adhesivity, but
This kind of method adds integral stacked thickness, is unfavorable for lightening design；Therefore, in order to improve the problems referred to above, optionally, transparent
The material in portion is colloid；So, luminescence unit and light guide plate are bonded together by hyalomere, enhance luminescence unit, light guide plate
And the fastness between circuit board three, meanwhile, can avoid improving the thickness of double faced adhesive tape.
Here the concrete material for colloid is not construed as limiting.Example, the material of hyalomere can be OCR (Optical
Clear Resin, optical clear resin) glue, certainly can also is that other glue.In actual process, due to OCR glue, LED fluorescent powder
The refractive index of glue and light guide plate is all approximately 1.5, uses OCR glue to make hyalomere, can play reduction light line loss well
The effect of consumption；Secondly, the thermal conductivity of air is 0.023W/m k, and the essence of OCR glue is acrylic acid, and its thermal conductivity is about sky
10 times of gas, use OCR glue to make hyalomere, hinge structure, it is also possible to play the effect accelerating heat radiation, improve display dress
Put (such as: mobile phone) in use to generate heat serious problem；Again, the caking property of OCR glue is preferable, can be by luminescence unit
It is bonded together well with light guide plate, to strengthen the fastness between luminescence unit, light guide plate and circuit board three.Comprehensively with
Upper factor, many employing OCR glue make hyalomere.
Optionally, with reference to shown in Fig. 3, backlight module also includes: glue frame 10, is provided with protuberance 11 inside glue frame 10；Electricity
Second side relative with first side in the part surface of road plate 8 is the surface of the exiting surface of close backlight module with protuberance 11
Fixing connection, hyalomere 7 is bonding with luminescence unit 6 by protuberance 11.So, circuit board and the glue frame of luminescence unit will be provided with
Being fixed together, meanwhile, hyalomere is bonding with luminescence unit by protuberance, plays luminescence unit and further protects and consolidate
It is set for using.Above-mentioned protuberance can be one-body molded with glue frame, it is also possible to is to be fabricated separately, is not construed as limiting here.Such as Fig. 3 institute
Showing, second side relative with first side in the part surface of circuit board 8 and protuberance 11 can use double faced adhesive tape 4 fixing even
Connect, certainly can also is that other modes, be not construed as limiting here.
Optionally, with reference to shown in Fig. 3, backlight module also includes: supporting layer 12, and supporting layer 12 is arranged on luminescence unit 6 He
Away from the side of exiting surface of backlight module in light guide plate 1；Hyalomere 7 is bonding with luminescence unit 6 by supporting layer 12.By this backlight
When module is applied to undersized display device, in order to reduce the thickness of display device, above-mentioned supporting layer can be reflector plate；Will
When this backlight module is applied to large-sized display device, above-mentioned supporting layer can be backboard；Certainly, supporting layer can also is that it
His structure, depending on practical situation.
Embodiment two
Embodiments providing the manufacture method of a kind of backlight module, with reference to shown in Fig. 8, the method includes:
S01, light guide plate, the circuit board that is provided with luminescence unit being carried out pre-determined bit, wherein, the side of light guide plate is arranged on
The part surface of circuit board is not provided with on the side area of luminescence unit.
S02, gear sealing rubber die is set on circuit boards so that luminescence unit is positioned at gear sealing rubber die, light guide plate and circuit board
In the space surrounded.It should be noted that the shape of gear sealing rubber die can set according to the situation of luminescence unit.Example,
If luminescence unit includes multiple LED, then gear sealing rubber die can be shape as shown in Figure 6, it is also possible to be the shape shown in Fig. 7,
Here it is not construed as limiting.Using the gear sealing rubber die shown in Fig. 6, may finally form hyalomere as shown in Figure 4, this kind of structure is in phase
Colloid between adjacent luminescence unit uses less, can reduce the usage amount of colloid generally；Use the gear rubber moulding shown in Fig. 7
Tool, may finally form hyalomere as shown in Figure 5, and the gear sealing rubber die of this kind of structure employing easily makes.It addition, in order to prevent
Keep off sealing rubber die to bind with colloid, one layer of silicone oil can be plated on gear sealing rubber die or other are difficult to and the material of colloid bonding.
S03, flowable colloid is injected into gear sealing rubber die, in space that light guide plate and circuit board surround.Need
Bright, can be at the lateral opening of gear sealing rubber die, the opening part from side injects colloid；Certainly can also is that from gear sealing rubber die
Top instill colloid, specifically can be according to practical situation depending on.Above-mentioned flowable colloid can be in the glue of molten state
Body, it is also possible to be in the colloid of liquid, is specifically dependent upon the material of colloid.In order to ensure that colloid is not contaminated, above-mentioned whole
Process can be carried out in vacuum environment.
S04, solidification colloid, and remove gear sealing rubber die.Here, solidification can use the curing mode such as heat cure, photocuring,
Material selection with specific reference to colloid.If colloid is OCR glue, then can use heat cure, under the conditions of uniform temperature, i.e. make OCR
Glue becomes from flowable state can not flow regime.If it addition, colloid also has viscosity (such as: OCR after one-step solidification
Glue), the most above-mentioned light guide plate, be provided with the circuit board of luminescence unit follow-up with glue frame, supporting layer is fixing be connected time, colloid also may be used
So that associated components is bonded together；If colloid does not have viscosity after one-step solidification, solidification the most herein can cannot not be complete
All solidstate, only need to by colloid from flowable state become can not flow regime, treat light guide plate, be provided with luminescence unit
After circuit board assembles location with glue frame, supporting layer, again to carrying out colloid solidification, to ensure the cementability between associated components.
Optionally, in order to prevent colloid from overflowing, the height of gear sealing rubber die is more than the thickness of luminescence unit.Here, injection
The thickness of colloid can be identical with the thickness of luminescence unit, then, in the backlight module ultimately formed, colloid and luminescence unit
Concordant setting, now, colloid is arranged around luminescence unit one circle；Certainly, the thickness of the colloid of injection can also is that more than luminescence
The thickness of unit is simultaneously less than the height of gear sealing rubber die, then, in the backlight module ultimately formed, colloid floods luminescence unit,
Now, in colloid cladding luminescence unit not with the part of circuit board contacts.It addition, for the height and the light guide plate that keep off sealing rubber die
The magnitude relationship of height is not construed as limiting, example, and the height of gear sealing rubber die can also is that certainly less than the height of light guide plate
Other situations.In view of reducing cost and preventing colloid from overflowing at light guide plate, the height keeping off sealing rubber die can be selected less than leading
The height of tabula rasa.
Optionally, said method also includes: before S04, solidification colloid, with reference to shown in Fig. 9, use moulding instrument 14 right
Colloid 15 pressurizes, and so can improve the flatness of colloid, other film layers of follow-up making；At S04, solidification colloid
Afterwards, moulding instrument is removed.
Embodiment three
Embodiments provide a kind of display device, including the backlight module of any one that embodiment one provides.
This display device can be the display device arbitrarily needing backlight, such as, can be liquid crystal display and include liquid
Any product with display function or the parts such as the TV of crystal display, digital camera, mobile phone, panel computer.This display
Device has that backlight illumination is good, display quality is excellent, the feature of length in service life.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (12)
1. a backlight module, including: light guide plate and luminescence unit, described luminescence unit is positioned at the side of described light guide plate；
It is characterized in that, described backlight module also includes: hyalomere, and described hyalomere is arranged at described luminescence unit and institute
Stating and contact between light guide plate and respectively with described luminescence unit and described light guide plate, the refractive index of described hyalomere is led with described
The absolute value of the difference of the refractive index of tabula rasa is less than the difference of the refractive index of described light guide plate and the refractive index of air.
Backlight module the most according to claim 1, it is characterised in that described luminescence unit includes: at least one LED, institute
Stating LED to include: phosphor gel, the refractive index of described hyalomere is less than institute with the absolute value of the difference of the refractive index of described phosphor gel
State the difference of the refractive index of phosphor gel and the refractive index of air.
Backlight module the most according to claim 2, it is characterised in that the refractive index of described hyalomere, described phosphor gel
Refractive index and described light guide plate refractive index in, the absolute value of difference between any two is in the range of 0-0.033.
4. according to the backlight module described in any one of claim 1-3, it is characterised in that
Described backlight module also includes: circuit board, and described luminescence unit is fixed on the part surface of described circuit board, described circuit board
Part surface deviate from the exiting surface of described backlight module, the part surface of described circuit board is not provided with the first of described luminescence unit
Side is fixing with the side of described light guide plate to be connected；Described hyalomere at least surrounds the surrounding of described luminescence unit.
Backlight module the most according to claim 4, it is characterised in that described hyalomere be coated with in described luminescence unit not with
The part of described circuit board contacts.
Backlight module the most according to claim 4, it is characterised in that the material of described hyalomere is colloid.
Backlight module the most according to claim 6, it is characterised in that described backlight module also includes: glue frame, described glue frame
Inner side is provided with protuberance；Second side relative with described first side in the part surface of described circuit board and described protuberance
In fixing near the surface of the exiting surface of described backlight module connect, described hyalomere is by described protuberance and described luminescence unit
Bonding.
Backlight module the most according to claim 6, it is characterised in that described backlight module also includes: supporting layer, described
Support layer is arranged on the side of the exiting surface in described luminescence unit and described light guide plate away from described backlight module；Described hyalomere
Described supporting layer is bonding with described luminescence unit.
9. the manufacture method of a backlight module, it is characterised in that described method includes:
To light guide plate, being provided with the circuit board of luminescence unit and carry out pre-determined bit, wherein, the side of described light guide plate is arranged on described
The part surface of circuit board is not provided with on the side area of described luminescence unit；
Described circuit board arranges gear sealing rubber die so that described luminescence unit be positioned at described gear sealing rubber die, described light guide plate with
And in the space that surrounded of described circuit board；
Flowable colloid is injected in the space that described gear sealing rubber die, described light guide plate and described circuit board surround；
Solidify described colloid, and remove described gear sealing rubber die.
The manufacture method of backlight module the most according to claim 9, it is characterised in that the height of described gear sealing rubber die is big
Thickness in described luminescence unit.
11. according to the manufacture method of the backlight module described in claim 9 or 10, it is characterised in that described method also includes:
Before the described colloid of described solidification, use moulding instrument that described colloid is pressurizeed；
After the described colloid of described solidification, remove described moulding instrument.
12. 1 kinds of display devices, it is characterised in that include the backlight module described in any one of claim 1-8.
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| CN201610666017.XA CN106226952A (en) | 2016-08-12 | 2016-08-12 | A kind of backlight module and preparation method thereof, display device |
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| CN201610666017.XA CN106226952A (en) | 2016-08-12 | 2016-08-12 | A kind of backlight module and preparation method thereof, display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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