CN110111681A - Backlight module preparation method and system - Google Patents
Backlight module preparation method and system Download PDFInfo
- Publication number
- CN110111681A CN110111681A CN201910274994.9A CN201910274994A CN110111681A CN 110111681 A CN110111681 A CN 110111681A CN 201910274994 A CN201910274994 A CN 201910274994A CN 110111681 A CN110111681 A CN 110111681A
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- Prior art keywords
- optical lens
- glue
- ontology
- backlight module
- supporting member
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The present invention provides a kind of backlight module preparation method and system, including providing substrate, light source, optical lens and diffuser plate and optical diaphragm, the optical lens includes the ontology for being formed with accommodating chamber, and supporting member, the supporting member is set on the ontology light-emitting surface, is used to support diffuser plate；The light source is fixed on the substrate；The optical lens is fixed on the substrate, the light source is located in the accommodating chamber；The diffuser plate and optical diaphragm are combined, backlight module is formed.Pass through preforming optical lens with groove, then a lower height of transparent support column is formed in groove with dispensing mode, higher-height transparent support column is formed by double glue inlet injection moldings, effectively reduces the risk of transparent support column malformation in forming process.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of backlight module preparation methods and system.
Background technique
As shown in Figure 1, support column 12 is provided on substrate 11 in the backlight module of prior art preparation, to support diffusion
Plate 13, prevent diffuser plate 13 due to it is cold and hot collapse, in transportational process vibrate caused by deformation；Support column 12 is to light source (LED
Lamp) 14 light can generate blocking, and then form shadow on diffuser plate 13.
So existing backlight module technology of preparing there is technical issues that the backlight module being prepared exists.
Summary of the invention
The present invention provides a kind of backlight module preparation method and system, to solve existing for existing backlight module technology of preparing
The backlight module being prepared there is technical issues that.
To solve the above-mentioned problems, technical solution provided by the invention is as follows:
The present invention provides a kind of backlight module preparation methods, comprising:
Substrate, light source, optical lens and diffuser plate and optical diaphragm are provided；The optical lens includes being formed with appearance
Receive the ontology and supporting member of chamber；The supporting member is set on the ontology light-emitting surface, is used to support diffuser plate；
The light source is fixed on the substrate；
The optical lens is fixed on the substrate, the light source is located in the accommodating chamber；
The diffuser plate and optical diaphragm are combined, backlight module is formed.
In backlight module preparation method of the invention, the step of offer optical lens, includes:
Injecting glue forms the ontology, and the ontology includes fluted；
The supporting member is formed in the recess region.
It is described the step of the recess region forms the supporting member in backlight module preparation method of the invention
Include:
The supporting member is formed in the recess region dispensing.
In backlight module preparation method of the invention, the step of offer optical lens, includes:
In the first glue inlet of mold and the second glue inlet, injecting glue, first glue inlet correspond to the ontology, institute simultaneously
It states the second glue inlet and corresponds to the supporting member.
In backlight module preparation method of the invention, the step of offer optical lens, includes:
In the first glue inlet injecting glue of mold；
After preset duration, enter glue injecting glue second, first glue inlet corresponds to the ontology, second glue inlet pair
Answer the supporting member.
Meanwhile the present invention provides a kind of backlight module preparation systems, comprising:
Include:
Optical lens preparation facilities is used to prepare optical lens, and optical lens includes the ontology for being formed with accommodating chamber, and
Supporting member；The supporting member is set on the ontology light-emitting surface, is used to support diffuser plate；
Combination unit, for light source to be fixed on the substrate；Optical lens is fixed on the substrate, the light
Source is located in the accommodating chamber；The diffuser plate and optical diaphragm are combined, backlight module is formed.
In backlight module preparation system of the invention, the optical lens preparation facilities includes:
Ontology forming portion forms the ontology for injecting glue, and the ontology includes fluted；
Supporting member forming portion, for forming the supporting member in the recess region.
In backlight module preparation system of the invention, the supporting member forming portion, in the recess region point
Glue forms the supporting member
In backlight module preparation system of the invention, the optical lens preparation facilities includes:
First injecting glue component, for passing through the first glue inlet injecting glue of mold；
Second injecting glue component, for being infused by the second glue inlet of mold when the first injecting glue component is started to work
Glue, first glue inlet correspond to the ontology, and second glue inlet corresponds to the supporting member.
In backlight module preparation system of the invention, the optical lens preparation facilities includes:
First injecting glue component, for passing through the first glue inlet injecting glue of mold；
Second injecting glue component, for entering glue by the second of mold after the first injecting glue component works preset duration
Mouth injecting glue, first glue inlet correspond to the ontology, and second glue inlet corresponds to the supporting member.
The invention has the benefit that the present invention provides a kind of backlight module preparation method and system, obtained backlight
Mould group inner bracing member is transparent and is arranged on optical lens, and supporting member will not stop light, and then will not be on diffuser plate
Shadow is formed, solving existing backlight module there is technical issues that support column stops light to generate；Meanwhile by preparatory
Optical lens with groove is formed, then forms a lower height of transparent support column in groove with dispensing mode；By it is double enter
Glue mouth injection molding forms higher-height transparent support column, effectively reduces transparent support column and ties in forming process
The risk of structure deformation.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of existing backlight module；
Fig. 2 is the structural schematic diagram of backlight module provided in an embodiment of the present invention；
Fig. 3 is the flow chart of backlight module preparation method provided in an embodiment of the present invention；
Fig. 4 prepares schematic diagram for the first of optical lens provided in an embodiment of the present invention；
Fig. 5 is that second of optical lens provided in an embodiment of the present invention prepares schematic diagram.
Specific embodiment
Below in conjunction with specific embodiments of the present invention, to the technical side in embodiment of the present invention and/or embodiment
Case carries out clear, complete description, it is clear that, embodiment and/or embodiment disclosed below is only the present invention
A part of embodiment and/or embodiment, rather than whole embodiments and/or embodiment.Based on the implementation in the present invention
Scheme and/or embodiment, those of ordinary skill in the art are not making the front lower every other reality obtained of creative work
Scheme and/or embodiment are applied, the scope of the present invention is belonged to.
The direction term that the present invention is previously mentioned, for example, [on], [under], [left side], [right side], [preceding], [rear], [interior], [outer],
[side] etc. is only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than
To limit the present invention.Term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating or implying its phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.
As shown in Figure 1, having substrate 11 in existing direct-light type LED backlight mould group, support column being provided on substrate
12, it is used to support diffuser plate 13, light source (LED light) 14 is provided on substrate 11, is coated with optical lens in the LED light 14
15, it is opened for LED light to be gone out light light type.
The support column 12 is mainly used for preventing the diffuser plate 13, is collapsed due to cold and hot, is shaken and draw in transportational process
The deformation risen, causes taste problem or wounds optical lens 15.
But support column 12 generates blocking to the light of light source (LED light) 14, and then forms shadow on diffuser plate 13.
So existing backlight module there is technical issues that support column stops light to generate.
There is technical issues that support column stops light to generate for existing backlight module, this clearly demarcated offer is following real
Example is applied to solve the technical problem.
As shown in Fig. 2, the present invention provides a kind of backlight module, including substrate 21, diffuser plate and optical diaphragm 22, light source 23
With optical lens 24.The optical lens 24 includes again the ontology 241 for being formed with accommodating chamber, supporting member 242；The light source
23 are located in the accommodating chamber of the optical lens ontology 241, and the supporting member 242 is transparent and is set to the ontology 241
On light-emitting surface.
In backlight module of the invention, a kind of preferred embodiment of transparent support member, the same optical lens
On ontology, at least two transparent support members are provided with, and the height of the transparent support member is all identical.
In this embodiment, an embodiment, the shape and height of the transparent support member are all identical.It is described transparent
The shape of supporting member can be cylindricality, taper or other shapes that can be used in support；The height of the transparent support member
Degree can be consistent with the height of cavity, can also be 1-2mm more smaller than the height of cavity.
Multiple shapes and all identical supporting member of height can effectively mitigate or disperse the stress of each support construction, mention
Rise system reliability.
In this embodiment, another embodiment, in the transparent support member, at least one transparent support member
Shape it is not identical, but the height of all transparent support members is all identical, the shape of the transparent support member can be cylindricality,
Taper or other shapes that can be used in support.
In this embodiment, the total volume of a plan of establishment, the transparent support member is identical.
In this embodiment, the total volume of another plan of establishment, the transparent support member is different.
In backlight module of the invention, another preferred embodiment of transparent support member, the same optical lens
It is provided at least two transparent support members, the first transparent support member and the second transparent support member on mirror, described
One transparent support member is different with the second transparent support member height.
The height of first transparent support member can be consistent with the height of cavity, can also be than the height of cavity
The height of smaller 1-2mm, second transparent support member are lower than the height of first transparent support member.
According to the difference of first transparent support member and the second transparent support member height, it is classified as main branch
Component and auxiliary support member are supportted, higher-height transparent support member is main supporting member, a lower height of transparent support structure
Part is auxiliary support member.
Wherein, the main supporting member can effectively play support housing depth effect, when the main supporting member due to
The case where environment or external force factor fail, the auxiliary support member can further function as the work of support housing depth
With.
In this embodiment, an embodiment, the shape of first transparent support member and the second transparent branch
The shape for supportting component is identical.The shape of the transparent support member can be cylindricality, taper or it is other can be used in support
Shape.
In this embodiment, another embodiment, in the transparent support member, first transparent support member
Shape is different with the shape of second transparent support member, and the shape of the transparent support member can be cylindricality, taper, or
It is other shapes that can be used in support.
In this embodiment, a plan of establishment, the total volume of the main supporting member is than the auxiliary support member
Total volume is big.
In this embodiment, another plan of establishment, the total volume of the main supporting member is than the auxiliary support member
Total volume it is small.
In this embodiment, another plan of establishment, the total volume of the main supporting member and the auxiliary support member
Total volume it is equal.
In both examples above, the height of the transparent support member is beyond the optical lens light-emitting surface
Highly, the shape of the transparent support member is also the shape beyond optical lens light-emitting surface.
In backlight module of the invention, there may be the transparent support structure is not provided at least one optical lens
Part.
In backlight module of the invention, there may be the transparent branch is provided only at least one optical lens
Support component.The height of the transparent support member can contact or 1~2mm lower than the diffuser plate with the diffuser plate；Institute
The shape for stating transparent support member can be with cylindricality, taper or other shapes that can be used in support.
In different backlighting schemes, the optical lens of different structure is needed, the transparent support formed on lens at this time
Component need to be adjusted with the size of lens itself, to meet actual demand.And conventional integrated injection molding mode, it is making
When the standby optical lens for having transparent support member, there is a problem of transparent support member molding and demould difficulty.
In order to solve the above technical problems, as shown in figure 3, the present invention also provides a kind of preparation methods of backlight module, including
Following steps:
Step 31: substrate, light source, optical lens and diffuser plate and optical diaphragm are provided；The optical lens includes shape
At the ontology and supporting member for having accommodating chamber；The supporting member is set on the ontology light-emitting surface, is used to support diffusion
Plate；
Step 32: the light source is fixed on the substrate；
Step 33: the optical lens being fixed on the substrate, the light source is located in the accommodating chamber；
Step 34: combining the diffuser plate and optical diaphragm, form backlight module.
Further, when needing optical lens to be offered, having a lower height of transparent support member on light-emitting surface,
A kind of embodiment of offer optical lens in the step 31 is as shown in figure 4, step includes:
The optical lens ontology 41 is formed using injecting glue method, is preset with transparent branch on the optical lens ontology light-emitting surface
Support the groove of component；
Using dispensing mode, by control rubber quality, being formed in the recess region has fixed-size transparent support structure
Part 42.
Wherein, the material injected from first glue inlet 51 is acrylic, polycarbonate, glass, silicone plasties etc.；
The material injected from second glue inlet 52 is silicone plasties, silicone resin etc..
Further, when needing optical lens to be offered, having higher-height transparent support member on light-emitting surface,
A kind of embodiment of offer optical lens in the step 31 is as shown in figure 5, step includes:
Using double glue inlet injection moldings, in the first glue inlet 51 of mold and the second glue inlet 52 injecting glue simultaneously,
First glue inlet 51 is located at conventional glue inlet position, and the material that first glue inlet 51 is injected contributes optical lens ontology
Lower zone, second glue inlet 52 are located at transparent support member top, the material contribution that second glue inlet 52 is injected
Optical lens ontology upper area and the transparent support member.
Wherein, the material that the material injected from first glue inlet 51 and second glue inlet 52 are injected is identical, is
Acrylic, polycarbonate, glass, silicone plasties, silicone resin etc..
Further, when needing optical lens to be offered, having higher-height transparent support member on light-emitting surface,
Another embodiment of offer optical lens in the step 31 is as shown in figure 5, step includes:
Using double glue inlet injection moldings, in 51 injecting glue of the first glue inlet of mold, first glue inlet 51
In conventional glue inlet position, the material that first glue inlet 51 is injected contributes optical lens ontology；
After preset duration, in 52 injecting glue of the second glue inlet, second glue inlet 52 is located at transparent support member top
End, the material that second glue inlet 52 is injected contribute the transparent support member.
Wherein, the material that the material injected from first glue inlet 51 and second glue inlet 52 are injected is identical, is
Acrylic, polycarbonate, glass, silicone plasties, silicone resin etc..
Meanwhile the present invention also provides a kind of preparation systems of backlight module, comprising:
Optical lens preparation facilities is used to prepare optical lens, and optical lens includes the ontology for being formed with accommodating chamber, and
Transparent support member；The transparent support member is set on the light-emitting surface of the optical lens ontology, is used to support the expansion
It falls apart；
Combination unit, for light source to be fixed on the substrate；Optical lens is fixed on the substrate, the light
Source is located in the accommodating chamber；The diffuser plate and optical diaphragm are combined, backlight module is formed.
Wherein, a kind of preparation facilities of the optical lens includes:
Ontology forming portion forms the optical lens ontology 41 for injecting glue, pre- on the optical lens ontology light-emitting surface
Groove equipped with transparent support member；
Supporting member forming portion, in the recess region, being formed with dispensing to have fixed-size transparent support structure
Part 42.
Wherein, another preparation facilities of the optical lens includes:
First injecting glue component, for passing through 51 injecting glue of the first glue inlet of mold；
Second injecting glue component, for passing through the second glue inlet 52 of mold when the first injecting glue component is started to work
Injecting glue, first glue inlet 51 are located at conventional glue inlet position, and second glue inlet 52 is located at transparent support member top,
The material that first glue inlet 51 is injected contributes optical lens ontology lower zone, the material that second glue inlet 52 is injected
Contribute optical lens ontology upper area and the transparent support member.
Wherein, another preparation facilities of the optical lens includes:
First injecting glue component, for passing through 51 injecting glue of the first glue inlet of mold；
Second injecting glue component, for entering glue by the second of mold after the first injecting glue component works preset duration
52 injecting glues of mouth, first glue inlet 51 are located at conventional glue inlet position, and second glue inlet 52 is located at transparent support member
Top, the material that first glue inlet 51 is injected contribute optical lens ontology, the material tribute that second glue inlet 52 is injected
Offer the transparent support member.
According to above-described embodiment:
The present invention provides a kind of backlight module preparation method and system, obtained backlight module inner bracing member it is transparent and
It is arranged on optical lens, supporting member will not stop light, and then shadow will not be formed on diffuser plate, solve existing back
Optical mode group there is technical issues that support column stops light to generate；Meanwhile by preforming optical lens with groove,
Then a lower height of transparent support column is formed in groove with dispensing mode；Height is formed by double glue inlet injection moldings
Higher transparent support column is spent, the risk of transparent support column malformation in forming process is effectively reduced.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of backlight module preparation method, which is characterized in that including
Substrate, light source, optical lens and diffuser plate and optical diaphragm are provided；The optical lens includes being formed with accommodating chamber
Ontology and supporting member；The supporting member is set on the ontology light-emitting surface, is used to support diffuser plate；
The light source is fixed on the substrate；
The optical lens is fixed on the substrate, the light source is located in the accommodating chamber；
The diffuser plate and optical diaphragm are combined, backlight module is formed.
2. backlight module preparation method as described in claim 1, which is characterized in that the step of offer optical lens wraps
It includes:
Injecting glue forms the ontology, and the ontology includes fluted；
The supporting member is formed in the recess region.
3. backlight module preparation method as claimed in claim 2, which is characterized in that it is described formed in the recess region it is described
The step of supporting member includes:
The supporting member is formed in the recess region dispensing.
4. backlight module preparation method as described in claim 1, which is characterized in that the step of offer optical lens wraps
It includes:
In the first glue inlet of mold and the second glue inlet injecting glue simultaneously, first glue inlet corresponds to the ontology, and described the
Two glue inlets correspond to the supporting member.
5. backlight module preparation method as described in claim 1, which is characterized in that the step of offer optical lens wraps
It includes:
In the first glue inlet injecting glue of mold；
After preset duration, enter glue injecting glue second, first glue inlet corresponds to the ontology, and second glue inlet corresponds to institute
State supporting member.
6. a kind of backlight module preparation system characterized by comprising
Optical lens preparation facilities is used to prepare optical lens, and optical lens includes the ontology for being formed with accommodating chamber, and support
Component；The supporting member is set on the ontology light-emitting surface, is used to support diffuser plate；
Combination unit, for light source to be fixed on the substrate；Optical lens is fixed on the substrate, the light source position
In in the accommodating chamber；The diffuser plate and optical diaphragm are combined, backlight module is formed.
7. backlight module preparation system as claimed in claim 6, which is characterized in that the optical lens preparation facilities includes:
Ontology forming portion forms the ontology for injecting glue, and the ontology includes fluted；
Supporting member forming portion, for forming the supporting member in the recess region.
8. backlight module preparation system as claimed in claim 7, which is characterized in that the supporting member forming portion is used for
The recess region dispensing forms the supporting member.
9. backlight module preparation system as claimed in claim 6, which is characterized in that the optical lens preparation facilities includes:
First injecting glue component, for passing through the first glue inlet injecting glue of mold；
Second injecting glue component, for passing through the second glue inlet injecting glue of mold, institute when the first injecting glue component is started to work
It states the first glue inlet and corresponds to the ontology, second glue inlet corresponds to the supporting member.
10. backlight module preparation system as claimed in claim 6, which is characterized in that the optical lens preparation facilities includes:
First injecting glue component, for passing through the first glue inlet injecting glue of mold；
Second injecting glue component, for being infused by the second glue inlet of mold after the first injecting glue component works preset duration
Glue, first glue inlet correspond to the ontology, and second glue inlet corresponds to the supporting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274994.9A CN110111681A (en) | 2019-04-08 | 2019-04-08 | Backlight module preparation method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910274994.9A CN110111681A (en) | 2019-04-08 | 2019-04-08 | Backlight module preparation method and system |
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| CN110111681A true CN110111681A (en) | 2019-08-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213886A (en) * | 2020-10-27 | 2021-01-12 | 惠州视维新技术有限公司 | Support piece, preparation method, lamp panel assembly, backlight module and assembly method |
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| 谢富原: "《先进复合材料制造技术》", 30 September 2017 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213886A (en) * | 2020-10-27 | 2021-01-12 | 惠州视维新技术有限公司 | Support piece, preparation method, lamp panel assembly, backlight module and assembly method |
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