CN104165329B - One can plastic uptake reflector plate - Google Patents
One can plastic uptake reflector plate Download PDFInfo
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- CN104165329B CN104165329B CN201410396004.6A CN201410396004A CN104165329B CN 104165329 B CN104165329 B CN 104165329B CN 201410396004 A CN201410396004 A CN 201410396004A CN 104165329 B CN104165329 B CN 104165329B
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- pmma
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- reflector plate
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- plastic uptake
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Abstract
The open one of the present invention can plastic uptake reflector plate, it is made up of a top-down PMMA layer, a PMMA foaming layer, PC layer, the 2nd PMMA foaming layer and the 2nd PMMA layer, and an above-mentioned PMMA layer, a PMMA foaming layer, PC layer, the 2nd PMMA foaming layer and the 2nd PMMA layer are integrally squeezed into lamellar body structure.Compared with prior art, the reflector plate of the present invention is made because using PMMA and PC material, common expressing technique can be used during molding, stress problem is there is not in expressing technique in extrusion, then can be processed into the sheet material that thickness is thicker easily, it is the easiest that expressing technique processes the thickest sheet material, processes the simplest；It is processed into the sheet material that thickness is thicker, simultaneously, the reflector plate formed out by PMMA and PC material has plastic uptake, it can carry out post forming, so, post forming can go out various geometry through the surface of extruded back reflection sheet material, light utilizes the characteristic of geometry can fully be reflected and utilize after being irradiated to the geometry of this reflector plate, improve the service efficiency of luminous energy, reflecting effect is preferable.
Description
Technical field
The present invention relates to the assembly of a kind of backlight module, particularly to the reflector plate of a kind of backlight module.
Background technology
Backlight module is one of key part and component of panel of LCD, owing to liquid crystal itself is the most luminous,
The function of backlight module is i.e. well-off brightness and the light source being evenly distributed so that it is can normally show
Show image.Existing backlight module specifically includes that backboard, light guide plate and backlight, and its dorsulum is big
All it is taken as outward appearance and the protection assembly effect such as backlight, light guide plate, usually uses lower-cost
Plastics (such as ABS plastic) are made, and this kind of backboard is unable to reach reflecting effect not only for light, on the contrary
The loss of optical energy can be caused, therefore must make up, by reflector plate, the optical loss that backboard causes,
The most existing backlight module is respectively provided with the reflector plate being in inside backboard.
Existing reflector plate by top-down base material and Qi Nei doped with the pet layer group of oxidic particle
Becoming, this base material is bonded together by glue with pet layer, and one-body molded by stretch processes
Go out reflector plate.Existing reflector plate plays instead because using in it pet layer doped with oxidic particle
Light action, such reflector plate can only use stretch processes to carry out molding, and stretch processes molding
The thinner thickness of reflector plate out, it is impossible to make thick reflector plate, and large scale backlight module typically needs
Use thick reflector plate, so, if traditional reflector plate be processed into thick reflector plate obstinately if technique more
Complexity, meanwhile, has the generation of internal stress in drawing process, cannot enter after making reflective sheet molding
Row post forming, so that the surface of reflector plate finally can only be in smooth surface, then light is penetrated at light
Easily causing the loss of light time on the reflector plate on sliding surface, reflecting effect is poor.
In view of above-mentioned reason, the drawbacks described above of reflector plate is furtherd investigate by the present inventor, then by this
Case produces.
Summary of the invention
It is an object of the invention to provide one can plastic uptake reflector plate, thick anti-to solve in prior art molding
Penetrate the technique of sheet complex and cannot the problem of post forming.
The technical scheme is that such: one can plastic uptake reflector plate, this reflector plate by from upper and
Under a PMMA layer, a PMMA foaming layer, PC layer, the 2nd PMMA foaming layer and the 2nd PMMA
Layer composition, and an above-mentioned PMMA layer, a PMMA foaming layer, PC layer, the 2nd PMMA foaming layer
Lamellar body structure integrally it is squeezed into the 2nd PMMA layer.
Oneth PMMA layer, a PMMA foaming layer, PC layer, the 2nd PMMA foaming layer and the 2nd PMMA
The gross thickness of layer is 0.25mm 0.85mm.
In the surface thereof of above-mentioned lamellar body structure, plastics sucking moulding has several cavitys, and each above-mentioned cavity is spaced
Arranged distribution.
Above-mentioned cavity is square cavity, each above-mentioned square cavity distribution arranged in arrays, and above-mentioned square
Center at the bottom of the chamber of cavity is recessed circular-shaped, concave cavity.
Being convexly equipped with some closed-loop shaped raised lines on the medial wall of above-mentioned square cavity, each above-mentioned closed-loop shaped is convex
Bar along square cavity depth direction spacing side by side arrange, and four medial surface of above-mentioned square cavity in by
Upper and under tapered trapezoidal faces.
Use after technique scheme, the one of the present invention can plastic uptake reflector plate, due to reflector plate by from
Upper and under a PMMA layer, a PMMA foaming layer, PC layer, the 2nd PMMA foaming layer and second
PMMA layer forms, and the micro-bubble material in PMMA foaming layer has reflection and scattering process, so,
When light penetration PMMA layer is incident upon PMMA foaming layer, light can be reflected away by PMMA foaming layer, from
And reach reflecting effect.Compared with prior art, the reflector plate of the present invention is because using PMMA and PC material
Material is made, and can use common expressing technique during molding, and expressing technique does not exist stress in extrusion
Problem, then can be processed into the sheet material that thickness is thicker easily, and expressing technique is processed the thickest sheet material and more held
Easily, processing is the simplest；Meanwhile, the reflector plate formed out by PMMA and PC material is had can
Plastic uptake, it can carry out post forming, so, can through the surface of extruded back reflection sheet material
Secondary plastics sucking moulding goes out various geometry, and light utilizes several after being irradiated to the geometry of this reflector plate
The characteristic of what shape can fully be reflected and be utilized, and improves the service efficiency of luminous energy, reflecting effect
Preferably, then the quantity that can make backlight module minimizing LED on the premise of briliancy requires is not being increased, greatly
Reduce greatly the holistic cost of backlight module, also can save the energy, separately, PMMA layer and PMMA foaming layer
It is symmetrical set in the both sides of PC layer, makes the tow sides of the reflector plate after molding be respectively provided with reflection function,
Setter installation on backlight module can be facilitated.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is present invention structural representation after post forming
Fig. 3 is present invention cut-away view after post forming.
In figure:
Bottom 1 high reflection layer 2
Reflective particle 3
Detailed description of the invention
The one of the present invention can plastic uptake reflector plate, as Figure 1-3, this reflector plate 100 by from upper and
Under PMMA layer the 1, an oneth PMMA foaming layer 2, PC layer the 3, the 2nd PMMA foaming layer 4 and
2nd PMMA layer 5 forms, and a PMMA layer 1, a PMMA foaming layer 2, PC layer 3,
Two PMMA foaming layers 4 and the 2nd PMMA layer 5 are integrally squeezed into lamellar body structure by expressing technique, the
One PMMA layer the 1, the oneth PMMA foaming layer 2, PC layer the 3, the 2nd PMMA foaming layer 4 and the 2nd PMMA
The gross thickness of layer 5 is 0.25mm 0.85mm.
The one of the present invention can plastic uptake reflector plate, owing to reflector plate 100 is by a top-down PMMA
Layer the 1, the oneth PMMA foaming layer 2, PC layer the 3, the 2nd PMMA foaming layer 4 and the 2nd PMMA layer 5
Composition, PMMA has numerous micro-bubble in it after fretting map technique, and light is had by each micro-bubble
Have reflection and thermolysis, i.e. PMMA foaming layer has reflection and scattering process, so, light penetration
When oneth PMMA layer 1 is incident upon a PMMA foaming layer 2, the oneth PMMA foaming layer 2 is by light line reflection
Go out, thus reach reflecting effect；Light also can penetrate the 2nd PMMA layer 4 and be incident upon the 2nd PMMA
Foaming layer 5, reflects away light through the 2nd PMMA foaming layer 5, thus reaches reflecting effect.With
Prior art is compared, and the reflector plate of the present invention, because using PMMA and PC material to make, can be adopted during molding
Using common expressing technique, there is not stress problem in expressing technique in extrusion, then can add easily
Work becomes the sheet material that thickness is thicker, and it is the easiest that expressing technique processes the thickest sheet material, processes the simplest；
Meanwhile, the reflector plate formed out by PMMA and PC material has plastic uptake, and it can be carried out
Secondary plastics sucking moulding, so, the surface of this reflective sheet can go out various geometry, light by plastics sucking moulding
Line utilizes the characteristic of geometry fully to be reflected after being irradiated to the geometry of this reflector plate and profit
With, improve the service efficiency of luminous energy, reflecting effect is preferable, then do not increasing the premise that briliancy requires
Backlight module can be made down to reduce the quantity of LED, greatly reduce the holistic cost of backlight module, also
The energy can be saved；Separately, the tow sides of the reflector plate after molding are respectively provided with reflection function, can conveniently pacify
Dress person installation on backlight module.
In the present invention, in the surface thereof of this lamellar body structure, plastics sucking moulding has several cavitys, this cavity
For square cavity 101, and each square cavity 101 is arranged in arrays, the Qiang Di center of square cavity 101
Locate recessed have circular-shaped, concave cavity 102, the medial wall of square cavity 101 is convexly equipped with some closed-loop shaped raised lines
103, each closed-loop shaped raised line 103 is arranged along the depth direction spacing side by side of square cavity 101, and square
Four medial surface of cavity 101 are in the most tapered trapezoidal faces；So, district can be realized by cavity
Territory light controlling effects, reduces optical energy loss, improves light efficiency, simultaneously by the restriction to cavity shapes, and
Shape within cavity limits and is capable of the regulation that region is light-operated, further increases luminous energy and uses effect
Rate.
In the present invention, each cavity also can arrange in irregular alignment mode.
In the present invention, other shapes such as cavity is the most circular, special-shaped.
Above-described embodiment and the product form of the graphic and non-limiting present invention and style, any belonging to technology neck
The those of ordinary skill in territory is suitably changed what it did or modifies, and all should be regarded as without departing from the present invention's
Patent category.
Claims (5)
1. one kind can plastic uptake reflector plate, it is characterised in that: this reflector plate is by a top-down PMMA
Layer, a PMMA foaming layer, PC layer, the 2nd PMMA foaming layer and the 2nd PMMA layer composition, and on
State a PMMA layer, a PMMA foaming layer, PC layer, the 2nd PMMA foaming layer and the 2nd PMMA
Layer is integrally squeezed into lamellar body structure.
One the most according to claim 1 can plastic uptake reflector plate, it is characterised in that: a PMMA
Layer, a PMMA foaming layer, PC layer, the 2nd PMMA foaming layer with the gross thickness of the 2nd PMMA layer are
0.25mm—0.85mm。
One the most according to claim 1 can plastic uptake reflector plate, it is characterised in that: above-mentioned lamellar body
In the surface thereof of structure, plastics sucking moulding has several cavitys, each above-mentioned cavity to be spaced distribution.
One the most according to claim 3 can plastic uptake reflector plate, it is characterised in that: above-mentioned cavity
For square cavity, each above-mentioned square cavity distribution arranged in arrays, and at the bottom of the chamber of above-mentioned square cavity in
Recessed at the heart have circular-shaped, concave cavity.
One the most according to claim 4 can plastic uptake reflector plate, it is characterised in that: above-mentioned square
Being convexly equipped with some closed-loop shaped raised lines on the medial wall of cavity, each above-mentioned closed-loop shaped raised line is along square cavity
Depth direction spacing side by side arrange, and four medial surface of above-mentioned square cavity are in the most tapered
Trapezoidal faces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410396004.6A CN104165329B (en) | 2014-08-13 | 2014-08-13 | One can plastic uptake reflector plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410396004.6A CN104165329B (en) | 2014-08-13 | 2014-08-13 | One can plastic uptake reflector plate |
Publications (2)
| Publication Number | Publication Date |
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| CN104165329A CN104165329A (en) | 2014-11-26 |
| CN104165329B true CN104165329B (en) | 2016-08-17 |
Family
ID=51909261
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410396004.6A Active CN104165329B (en) | 2014-08-13 | 2014-08-13 | One can plastic uptake reflector plate |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801801A (en) * | 2017-03-24 | 2017-06-06 | 昆山市见兴电子材料有限公司 | LED plane light source |
| CN109016469A (en) * | 2018-05-29 | 2018-12-18 | 中山市森开迪光电科技有限公司 | A kind of manufacture craft of the reflector of high photosynthetic efficiency, low cost |
| CN114055878A (en) * | 2020-08-05 | 2022-02-18 | 扬州立宝包装有限公司 | Oil stain-proof blister sheet |
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| CN101743431A (en) * | 2007-06-22 | 2010-06-16 | Opto设计股份有限公司 | Surface illuminating light source device and surface illuminating device |
| CN201636765U (en) * | 2010-03-02 | 2010-11-17 | 苏州锦富新材料股份有限公司 | Multi-layer compound film reflecting plate |
| CN101968201A (en) * | 2009-07-28 | 2011-02-09 | 李永臣 | Combined high-power light-emitting diode (LED) illuminating reflecting cover |
| CN102385081A (en) * | 2010-08-31 | 2012-03-21 | 乐金显示有限公司 | Reflecting sheet and method of fabricating the same |
| CN102913853A (en) * | 2012-10-08 | 2013-02-06 | 上海冠旗电子新材料股份有限公司 | Backlight reflection sheet for liquid crystal |
| CN103797386A (en) * | 2012-06-18 | 2014-05-14 | 古河电气工业株式会社 | Foamed sheet, and light reflector and backlight panel both formed using same |
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2014
- 2014-08-13 CN CN201410396004.6A patent/CN104165329B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1989430A (en) * | 2004-05-20 | 2007-06-27 | 出光兴产株式会社 | Light-shielding highly reflective polycarbonate multilayer sheet, and thermoformed body and chassis using same |
| CN1993410A (en) * | 2004-07-30 | 2007-07-04 | 株式会社杜威腊 | Foamed sheet, and method and apparatus for producing same |
| CN1776495A (en) * | 2004-11-16 | 2006-05-24 | 三星电子株式会社 | Reflection sheet, backlight assembly and display device |
| CN101743431A (en) * | 2007-06-22 | 2010-06-16 | Opto设计股份有限公司 | Surface illuminating light source device and surface illuminating device |
| CN101968201A (en) * | 2009-07-28 | 2011-02-09 | 李永臣 | Combined high-power light-emitting diode (LED) illuminating reflecting cover |
| CN201636765U (en) * | 2010-03-02 | 2010-11-17 | 苏州锦富新材料股份有限公司 | Multi-layer compound film reflecting plate |
| CN102385081A (en) * | 2010-08-31 | 2012-03-21 | 乐金显示有限公司 | Reflecting sheet and method of fabricating the same |
| CN103797386A (en) * | 2012-06-18 | 2014-05-14 | 古河电气工业株式会社 | Foamed sheet, and light reflector and backlight panel both formed using same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104165329A (en) | 2014-11-26 |
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