CN108319067A - A kind of applying method and optical diaphragm group of diaphragm - Google Patents
A kind of applying method and optical diaphragm group of diaphragm Download PDFInfo
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- CN108319067A CN108319067A CN201810146402.0A CN201810146402A CN108319067A CN 108319067 A CN108319067 A CN 108319067A CN 201810146402 A CN201810146402 A CN 201810146402A CN 108319067 A CN108319067 A CN 108319067A
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- diaphragm
- hangers
- applying method
- colloid
- liquid crystal
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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
- G02F1/133509—Filters, e.g. light shielding masks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- 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
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mathematical Physics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of applying method of diaphragm and optical diaphragm groups.The applying method of diaphragm includes the following steps：S1：Bottom diaphragm is placed on fitting platform and is positioned；S2：In the top surface coating colloid of hangers；S3：Stack the diaphragm of last layer and positioning；S4：Step S2 and step S3 is repeated, until the diaphragm positioning of top layer is completed；S5：Cure colloid.The applying method does not enter this feature of the display area of liquid crystal module using the hangers of diaphragm, the coating colloid on the hangers of diaphragm, to which multiple diaphragms are bonded to form a diaphragm, the height limitation to the flanging of backboard can be released so that liquid crystal module can be more frivolous, meets technological requirement, and the base material of diaphragm need not be given up, the stiffening property for being bonded rear film is good, and the combination of diaphragm is flexible, disclosure satisfy that the diaphragm demand of complicated backlight module.Meanwhile only needing to lay a diaphragm in the assembling process of liquid crystal module, production process is simplified, the reliability of liquid crystal module is improved.
Description
Technical field
The present invention relates to display equipment technical field more particularly to the applying methods and optical diaphragm group of a kind of diaphragm.
Background technology
Ultra-thin with the continuous development of television technologies, ultra-narrow frame starts to become wider demand, therefore for liquid
The technique of brilliant module has higher requirement.Liquid crystal module includes backlight module and liquid crystal display, under backlight module includes straight
Formula backlight module and sidelight type backlight module.By taking sidelight type backlight module as an example, as shown in Figure 1, backlight module includes mainly：It leads
3 ＇ of tabula rasa, 4 ＇ of optical diaphragm group, 2 ＇ of LED light source component, 1 ＇ of backboard, 5 ＇ of center etc..Wherein 4 ＇ of optical diaphragm group include diffusion sheet,
A variety of different optical diaphragms such as brightening piece, DBEF, reflector plate, optical diaphragm include base material and setting function on base material
Layer can obtain the optical diaphragm of different function by the way that different functional layers is arranged.According to the different brightness of backlight module and
The requirement of other optical indexes, can be there are many different optical film combinations.
As shown in Figures 2 and 3, the side of optical diaphragm is provided with 41 ＇ of hangers, and 11 ＇ of flanging, optics are provided on 1 ＇ of backboard
The fixation of diaphragm generally uses the cooperation on 41 ＇ of hangers between 11 ＇ of 411 ＇ of endoporus and 1 ＇ upper hems of backboard to realize.Due to ultra-thin and
41 ＇ of hangers of the requirement of narrow frame, optical diaphragm can become narrower, and 11 ＇ of flanging of corresponding part can be lower on 1 ＇ of backboard.By
Multiple diaphragms are generally required in backlight module, therefore upper layer diaphragm is not often fixed easily in assembling, causes diaphragm to slide, no
Profit production, and the risk that diaphragm falls off also is had after finishing assembly, for the reliability of subsequent related experiment and module
Also larger impact is had.
Further, since the diaphragm in 4 ＇ of optical diaphragm group is more, liquid crystal module needs to repeat to be laid with film in an assembling process
Piece, production process is more, and efficiency is low.
To solve the above problems, diaphragm manufacturer generally refers to according to the brightness of backlight module and other optics in the prior art
Target requirement forms fitting in the surface coating colloid of bottom diaphragm to be superimposed different functional layers by way of stickup
Diaphragm, to meet the diaphragm demand of backlight module.But it needs to give up the base material between successive functional layers in this method, to avoid
Colloid influences the optical effect of fitting diaphragm, poor so as to cause the stiffening property of optical diaphragm, and between functional layer and functional layer
Position it is poor, be susceptible to diaphragm layering the problem of.The type of the fitting diaphragm of diaphragm manufacturer production is less, it is difficult to meet complicated
The diaphragm demand of backlight module.
Invention content
An object of the present invention is to provide a kind of applying method of diaphragm, eliminates and the height of the flanging of backboard is limited
System simplifies the production process of liquid crystal module, and the combination of diaphragm is flexible and stiffening property is good, improves the reliability of liquid crystal module.
For this purpose, the present invention uses following technical scheme：
A kind of applying method of diaphragm, includes the following steps：
S1：Bottom diaphragm is placed on fitting platform and is positioned；
S2：In the top surface coating colloid of hangers；
S3：Stack the diaphragm of last layer and positioning；
S4：Step S2 and step S3 is repeated, until the diaphragm positioning of top layer is completed；
S5：Cure colloid.
Wherein, positioning column is convexly equipped on the fitting platform, the positioning column passes through the endoporus of the hangers.
Wherein, the shape of the positioning column is identical as the shape of the endoporus.
Wherein, the height of the positioning column is 4-6mm.
Wherein, the colloid is located at the portion top surface on the outside of the positioning column coated on the hangers.
Wherein, the portion top surface that the hangers is located on the outside of the positioning column is recessed groove, the bottom surface of the hangers
The groove corresponding position is being provided with protrusion, the groove and the male cooperation.
Wherein, the colloid is coated on the top surface of the hangers by dispenser.
Wherein, the colloid is UV glue.
Wherein, step S5 is specifically included：
Pass through the UV radiation curing colloid.
Wherein, the colloid is 9-11s by the time that ultraviolet light irradiates.
It is another object of the present invention to propose a kind of optical diaphragm group, flanging height of the optical diaphragm group to backboard
It is required that it is low, avoid optical diaphragm group from the problems such as displacement, fall off occur, the combination of diaphragm is flexible and stiffening property is good, disclosure satisfy that complexity
The diaphragm demand of backlight module.
For this purpose, the present invention uses following technical scheme：
A kind of optical diaphragm group, including multiple diaphragms, multiple described diaphragms are bonded using the applying method of above-mentioned diaphragm.
Advantageous effect：The present invention provides a kind of applying method of diaphragm and optical diaphragm groups.The applying method profit of diaphragm
This feature of the display area of liquid crystal module is not entered with the hangers of diaphragm, the coating colloid on the hangers of diaphragm passes through colloid
Diaphragm in same optical diaphragm group is pasted and is fixed, to be bonded multiple diaphragms to form a diaphragm, you can is released to the back of the body
The height limitation of the flanging of plate so that liquid crystal module can be more frivolous, meets technological requirement, and need not give up the base of diaphragm
Material, the stiffening property for being bonded rear film is good, and the combination of diaphragm is flexible, disclosure satisfy that the diaphragm demand of complicated backlight module.Meanwhile liquid crystal
It only needs to lay a diaphragm in the assembling process of module, simplifies production process, improve the reliability of liquid crystal module.
Description of the drawings
Fig. 1 is the explosive view of backlight module in the prior art；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the partial enlarged view at B in Fig. 1；
Fig. 4 is the flow chart of the applying method of diaphragm provided by the invention；
Fig. 5 is the structural schematic diagram of fitting platform provided by the invention；
Fig. 6 is diaphragm provided by the invention and the structural schematic diagram that is bonded platform；
Fig. 7 is the structural schematic diagram of optical diaphragm group provided by the invention.
Wherein：
1, it is bonded platform；11, positioning column
2, diaphragm；21, hangers；211, endoporus；212, colloid.
1 ＇, backboard；11 ＇, flanging；2 ＇, LED light source component；3 ＇, light guide plate；4 ＇, optical diaphragm group；41 ＇, hangers；
411 ＇, endoporus；5 ＇, center.
Specific implementation mode
For make present invention solves the technical problem that, the technical solution that uses and the technique effect that reaches it is clearer, below
The technical solution further illustrated the present invention in conjunction with attached drawing and by specific implementation mode.
Present embodiments provide a kind of applying method of diaphragm, the optical diaphragm that can be used in backlight module, below
It is introduced by taking optical diaphragm as an example.As shown in figure 4, diaphragm 2 fitting before, can by multiple diaphragms 2 by from top to bottom sequence according to
Secondary arrangement, to facilitate fitting.When fitting, by the diaphragm 2 of bottom be placed into fitting platform 1 on, and by the diaphragm of bottom 2 be bonded
The position of platform 1 is fixed.Upper colloid 212 will be coated positioned at the top surface of the hangers 21 at 2 edge of diaphragm, later in order by last layer
Diaphragm 2 overlay on the diaphragm 2 of bottom, pass through and the diaphragm 2 of last layer positioned, ensure that the hangers 21 of two diaphragms 2 is aligned.
The process of placement diaphragm 2 and coating colloid 212 is repeated, until the positioning of diaphragm 2 of top layer is completed.Final curing colloid 212 is protected
Card Multilayer Film 2 can be by taking the storage of diaphragm 2 away or coming into operation after fixing on fitting platform 1.
In the present embodiment the applying method of diaphragm be utilized diaphragm 2 hangers 21 do not enter liquid crystal module display area this
One feature, the coating colloid 212 on the hangers 21 of diaphragm 2, colloid 212 do not interfere with the display effect of liquid crystal module.Pass through glue
Body 212, which pastes the diaphragm 2 in same optical diaphragm group, to be fixed, and can be bonded multiple diaphragms 2 and be formed a diaphragm 2, you can
Release the height limitation to the flanging of backboard so that liquid crystal module can more be thinned, and meet technological requirement, improve diaphragm 2 with
The fixed effect of backboard avoids diaphragm 2 from being detached from, improves the reliability of liquid crystal module.Meanwhile in the assembling process of liquid crystal module
It only needs to lay a diaphragm 2, simplifies production process, be conducive to improve production efficiency.
In the prior art, when production is bonded diaphragm, the function surface of diaphragm is coated with colloid, colloid itself for diaphragm manufacturer
With certain refractive index, propagation path when light enters colloid layer by propagation path when multiple diaphragms stack merely not
Together.Therefore, it in order to reduce the difference of light propagation path, needs to remove base material or uses very thin base material, just it can guarantee patch
The effect closed when diaphragm stacks use with multiple diaphragms is almost the same, but this method causes the stiffening property of fitting diaphragm poor.
For the influence for avoiding after fitting to 2 stiffening property of propagation path and diaphragm of light, by hangers in the present embodiment
Coating colloid 212 on 21, and then multiple diaphragms 2 are fit together, there are air between adjacent diaphragms, and the refractive index of air
It is 1, on the propagation path of light without influence, it is ensured that the diaphragm 2 after fitting is identical as the using effect that diaphragm 2 stacks, and
Base material need not be removed, ensures the stiffening property of diaphragm 2, to be conducive to improve the quality of backlight module.In addition, by hangers 2
Upper coating colloid 212 is bonded, and the collocation of diaphragm 2 can be adjusted according to the demand of backlight module, disclosure satisfy that complicated backlight module
Demand, broken away from the dependence to diaphragm producer production type, flexibility is good.
The problem of multiple diaphragms 2 stacked in order to prevent are layered additionally provides a kind of patch of diaphragm 2 in the present embodiment
Close jig.As shown in figure 5, joint tool includes ontology, the surface of ontology is smooth, is used as fitting platform 1, is bonded platform 1
On be provided with positioning component, by positioning component can ensure the diaphragm stacked 2 be aligned, to improve the fitting quality of diaphragm 2.
Specifically, positioning component includes positioning column 11, and 11 projection of positioning column is on fitting platform 1.It is fixed after being bonded the placement diaphragm 2 of platform 1
Position column 11 passes through the endoporus 211 of hangers 21, to which diaphragm 2 to be fixed on fitting platform 1.Positioning column 11 can be provided with more
A, the quantity of positioning column 11 is identical as 21 quantity of hangers of diaphragm 2, and the shape of positioning column 11 can be with the endoporus 211 of hangers 21
Shape is identical, and to prevent during the bonding process, diaphragm 2 shifts.
Using the applying method of diaphragm provided in this embodiment, the film of different-effect can be chosen according to needs of production
Piece 2 is freely combined to prepare optical diaphragm group, and without the fitting diaphragm for using diaphragm producer to produce, flexibility is good, and cost
It is low, it can ensure the diversity of optical diaphragm group.The good integrity of optical diaphragm group after fitting, between the activity between diaphragm 2
Gap is smaller, is not easy to abrade, and the requirement to the folding edges of back of fixed diaphragm 2 is relatively low.
To ensure that multiple diaphragms 2 can be positioned by positioning column 11, the height of positioning column 11 can be 4-6mm,
Such as 4mm, 5mm and 6mm.In view of the quantity and thickness of diaphragm 2 in the optical diaphragm group applied in the prior art, this implementation
The height of positioning column 11 is chosen for 5mm in example, you can meets the use for the optical diaphragm group that various combinations are formed.
To avoid 212 overflow of the colloid being coated on hangers 21 to the surface of diaphragm 2, to influence making for optical diaphragm group
With effect, as shown in fig. 6, in the present embodiment, it is the coating of colloid 212 that the top surface of hangers 21, which is located at the region in 11 outside of positioning column,
Area.The outside that colloid 212 is coated in positioning column 11 can be to avoid 212 overflow of colloid to film by the barrier effect of positioning column 11
The inside of piece 2 to ensure the cleanliness factor of 2 interior surface of diaphragm, and then ensures the quality of the optical diaphragm group after fitting, avoids
There is display problem in liquid crystal module.
For the fixed effect for further increasing between adjacent diaphragms 2, the top surface of hangers 21 is located at the extension in 11 outside of positioning column
The region of ear 21, i.e. coating area are recessed inwardly to form groove.The bottom surface of hangers 21 is convexly equipped with protrusion in position corresponding with groove.
When two adjacent diaphragms 2 stack fitting, protrusion and the underlying diaphragm of 21 bottom of hangers for the diaphragm 2 being located above
The groove of 2 21 top surface of hangers coordinates, and increases the bonding area of two adjacent diaphragms 2, to improve the fixed effect of diaphragm 2
Fruit.
Colloid 212 in the present embodiment can be the binders such as double faced adhesive tape, adhesive tape or glue.To improve in optical diaphragm group
The fixed effect of multiple diaphragms 2, colloid 212 is chosen for UV (Ultraviolet Rays, ultraviolet light) glue, UV glue in the present embodiment
Also referred to as shadowless glue, light-sensitive emulsion, ultraviolet cured adhesive.Shadowless glue is that one kind must be by ultraviolet light irradiation ability curable one
Class adhesive.The principle of solidification of shadowless glue is that photoinitiator in UV curing materials or photosensitizer absorb under ultraviolet irradiation
Generate living radical or cation after ultraviolet light, cause monomer polymerization, cross-linking chemistry reaction, make adhesive within the several seconds by
Liquid is converted into solid-state.UV glue is usually used in the stickup of lamp bar in module internal, and easy to operate, curing rate is fast, reliability compared with
It is good, and common diaphragm 2 has uv-resistant coating, will not damage diaphragm 2.
UV glue can be coated in the top surface of hangers 21 by dispenser.Specifically, dispenser can be conventional hand
UV glue is equably applied in the coating area of hangers 21 by dispenser by manual operation.Certainly, dispenser may be full-automatic
Dispenser needs to coordinate automatic control system at this time, realizes the positioning of diaphragm 2, the identification of coating area to control dispenser
Dispensing.
After the completion of diaphragm 2 positions, hangers 21 is irradiated by ultraviolet light, realizes the solidification of UV glue.Ultraviolet light can be by
Ultraviolet lamp provides.The ultraviolet irradiation time can be 9-11s, such as can be 9s, 10s, 11s.Specifically, the present embodiment
The irradiation time of middle-ultraviolet lamp is chosen for 10s, you can completes the solidification of UV glue, curing efficiency is high.Cure the light formed after the completion
Diaphragm group is learned as shown in fig. 7, can separately store or put into production by optical diaphragm group by being taken out on fitting platform 1.In practical life
When production, it is only necessary to which assembly is bonded the optical diaphragm group of formation successively, eliminates the process for repeatedly laying and positioning, simplifies
Production process, greatly increases production efficiency.
The present embodiment additionally provides a kind of optical diaphragm group, including multiple diaphragms 2, multiple diaphragms 2 may be used above-mentioned
The problem of applying method is bonded, and the optical diaphragm group after fitting is layered there is no diaphragm, production efficiency is high, is conducive to simplify liquid crystal
The assembling procedure of module, reduces the requirement for height to flanging in backboard, and the stability of liquid crystal module is more preferable.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (10)
1. a kind of applying method of diaphragm, which is characterized in that include the following steps：
S1：Bottom diaphragm (2) is placed on fitting platform (1) and is positioned；
S2：In the top surface coating colloid (212) of hangers (21)；
S3：It stacks the diaphragm (2) of last layer and positions；
S4：Step S2 and step S3 is repeated, until diaphragm (2) positioning of top layer is completed；
S5：Cure colloid (212).
2. the applying method of diaphragm as described in claim 1, which is characterized in that be convexly equipped with positioning on the fitting platform (1)
Column (11), the positioning column (11) pass through the endoporus (211) of the hangers (21).
3. the applying method of diaphragm as claimed in claim 2, which is characterized in that the shape of the positioning column (11) with it is described interior
The shape in hole (211) is identical.
4. the applying method of diaphragm as claimed in claim 2, which is characterized in that the height of the positioning column (11) is 4-6mm.
5. the applying method of diaphragm as claimed in claim 2, which is characterized in that the colloid (212) is coated on the hangers
(21) portion top surface being located on the outside of the positioning column (11).
6. the applying method of diaphragm as claimed in claim 5, which is characterized in that the hangers (21) is located at the positioning column
(11) portion top surface on the outside of is recessed groove, the bottom surface of the hangers (21) be provided with the groove corresponding position it is convex
It rises, the groove and the male cooperation.
7. the applying method of diaphragm as described in claim 1, which is characterized in that the colloid (212) is coated by dispenser
Top surface in the hangers (21).
8. the applying method of diaphragm as described in claim 1, which is characterized in that the colloid (212) is UV glue.
9. the applying method of diaphragm as claimed in claim 8, which is characterized in that step S5 is specifically included：
Pass through the UV radiation curing colloid (212).
10. a kind of optical diaphragm group, including multiple diaphragms (2), which is characterized in that multiple described diaphragms (2) are wanted using such as right
The applying method of the diaphragm described in any one of 1-9 is asked to be bonded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146402.0A CN108319067B (en) | 2018-02-12 | 2018-02-12 | Laminating method of diaphragm and optical diaphragm group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146402.0A CN108319067B (en) | 2018-02-12 | 2018-02-12 | Laminating method of diaphragm and optical diaphragm group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108319067A true CN108319067A (en) | 2018-07-24 |
| CN108319067B CN108319067B (en) | 2021-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810146402.0A Active CN108319067B (en) | 2018-02-12 | 2018-02-12 | Laminating method of diaphragm and optical diaphragm group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109666411A (en) * | 2018-12-19 | 2019-04-23 | 深圳市高仁电子新材料有限公司 | Ionic optical adhesive film and preparation method thereof, applying method |
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| Publication number | Publication date |
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| CN108319067B (en) | 2021-03-05 |
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