CN206932472U - A kind of LED-baseplate white covering film and the LED-baseplate using the white covering film - Google Patents
A kind of LED-baseplate white covering film and the LED-baseplate using the white covering film Download PDFInfo
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- CN206932472U CN206932472U CN201720667887.9U CN201720667887U CN206932472U CN 206932472 U CN206932472 U CN 206932472U CN 201720667887 U CN201720667887 U CN 201720667887U CN 206932472 U CN206932472 U CN 206932472U
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Abstract
A kind of LED-baseplate the utility model discloses LED-baseplate white covering film and using the white covering film, including white ink layer, adhesion agent layer, upper release layer and lower release layer, adhesion agent layer is formed at the upper surface of lower release layer, white ink layer is formed at the upper surface of adhesion agent layer, and upper release layer is formed at the upper surface of white ink layer；The gross thickness of both white ink layer and adhesion agent layer is 4 50 μm；Upper release layer is delustring release film layer, and delustring release film layer and mat surface that the one side that white ink layer contacts is that Rz values are 0.2 10 μm；The roughness of the upper surface of white ink layer is 50 1000nm.The utility model has good extremely low dielectric constant and loss, high ionic purity, high reflectance, high temperature yellowing resistance, low penetration rate, low-luster, high flexibility, low bounce-back power, high surface hardness and the good ultra-thin white covering film of weatherability, is particularly suitable for using in the soft or hard dynamical LED illumination of combination version.
Description
Technical field
The utility model belongs to LED (light emitting diode) covering technical field of membrane, is used more particularly to a kind of LED-baseplate
White covering film.
Background technology
As the development of information, communication industry drives the high speed development of microelectronics industry, flexible printed circuit
(Flexible Printed Circuit, FPC) arises at the historic moment and obtains fast development, in cell phone, LCDs, puts down
The numerous areas such as plate are used widely.Flexible printed circuit and PCB (Printed Circuit Board, rigidity printing
Circuit board) maximum difference be the former using the function of cover layer beyond PCB anti-solder ink, it not only plays welding resistance work
With making FPC not corroded by dust, moisture, chemicals, and the influence of stress in BENDING PROCESS can be reduced.In addition, with
The development in FPC markets, cover layer have been assigned more functions, and wherein white covering film has high reflectivity, low penetration rate, resistance to
The features such as high temperature, weatherability, can reach screening effect, and be applied energetically in LED and lamp bar (light bar) field.
Under the elevated once again background of worry of Present Global energy shortage, save the energy be we face in future it is important the problem of,
Lighting field, the application of LED luminous products are just attract the sight of common people, LED as a kind of new green light source product,
The necessarily trend of future development, 21st century will enter novel illumination light source epoch using LED as representative.
White led lamps are one kind in following three kinds with the traditional technique of product at present：
The first：The solderless substrate after cover layer windowing, in its surface coating white ink layer A100 after low temperature drying
To improve the contrast of LED product, strengthen its print lining effect, shortcoming is that print thickness is uneven and flexibility is poor (such as Fig. 1)；
Second：Directly it is attached on FPC substrates using white ink cover layer, the white ink cover layer includes first
White ink layer B100, yellow PI (polyimides) layers B200, the first adhesion agent layer B300 and the first release layer B400, it can
Down stream train is reduced, but the resisting high-temperature yellowing of the white ink cover layer is poor, and be difficult to realize slimming (such as Fig. 2)；
The third：Directly it is attached on FPC substrates using white PI cover layers, the white PI cover layers include white PI layers
C100, white adhesion agent layer C200 and the second release layer C300, its resisting high-temperature yellowing, weatherability are good and have high reflectance,
But its cost is higher and slimming is difficult to realize (such as Fig. 3).
In order to meet the needs of market, it is intended to research and develop it is a kind of used in the high reflectance of field of LED illumination, resisting high-temperature yellowing,
The ultra-thin white covering film of low bounce-back power and low manufacturing cost.
Utility model content
The utility model is mainly solving the technical problems that providing a kind of LED-baseplate white covering film and using the white
The LED-baseplate of cover layer, there is extremely low dielectric constant and loss, high ionic purity, high reflectance, high temperature yellowing resistance
Good, low penetration rate, low-luster, high flexibility, low bounce-back power, high surface hardness and the good ultra-thin white covering film of weatherability,
It is particularly suitable for using in the soft or hard dynamical LED illumination of combination version.
In order to solve the above technical problems, the technical scheme that the utility model uses is：A kind of LED-baseplate is covered with white
Epiphragma, including white ink layer, adhesion agent layer, upper release layer and lower release layer, the adhesion agent layer be formed at it is described under it is release
The upper surface of layer, the white ink layer are formed at the upper surface of the adhesion agent layer, and the upper release layer is formed at described white
The upper surface of color ink layer；
The gross thickness of both the white ink layer and the adhesion agent layer is 4-50 μm, wherein, the white ink layer
Thickness be 1-25 μm, the thickness of the adhesion agent layer is 3-25 μm；
The upper release layer is delustring release film layer, and the delustring release film layer contacted with the white ink layer one
Face is the mat surface that Rz (roughness) value is 0.2-10 μm；
The roughness of the upper surface of the white ink layer is 50-1000nm, preferably 600-800nm.
Further to say, the gross thickness of both the white ink layer and described adhesion agent layer is 6-15 μm, wherein, it is described
The thickness of white ink layer is 3-5 μm, and the thickness of the adhesion agent layer is 3-10 μm.
Further say, the white ink layer is the ink layer containing matte powder.
Further say, the adhesion agent layer refer to Dk (dielectric constant) value for 2.4-2.8 (10GHz), Df (scatter and disappear because
Son) value for 0.002-0.006 (10GHz), line between insulation impedance more than 1011Ω, sheet resistance are more than 1012Ω and volume resistance
More than 1013Ω cm glue-line.
Further say, the upper release layer is polypropylene release layer, Biaxially oriented polypropylene release layer or poly- to benzene two
Formic acid glycol ester release layer, the lower release layer are polypropylene release layer, Biaxially oriented polypropylene release layer or poly- to benzene two
Formic acid glycol ester release layer.
A kind of LED-baseplate using the white covering film, the surface of the LED-baseplate covered with the adhesion agent layer and
The white ink layer, the white ink layer is between the LED-baseplate and the adhesion agent layer.
The beneficial effects of the utility model at least have it is following some：
First, white ink layer of the present utility model is the ink layer containing matte powder, can reach delustring purpose, makes white oil
Cloudy surface state is presented in layer of ink；In addition, adjust coating film forming surface dulling degree, matte powder using diameter of particle size is controlled
Particle diameter is smaller, and its surface gloss (glossiness) value is bigger, i.e., configuration of surface is brighter, by the particle diameter, the species that adjust matte powder
With content etc., can obtain needed for (such as glossiness, flame resistance, hardness or cost) product, and the matte powder added
The hardness of white ink layer can be further improved, makes this product that there is more preferably mechanical performance, electric property and operating performance
Deng；
2nd, upper release layer of the present utility model is delustring release film layer, and delustring release film layer contacts with white ink layer
It is simultaneously that Rz values are 0.2-10 μm of mat surface, makes the white ink layer of cover layer through this form and upper release layer is easier to point
From, so as to substantially increase downstream endpoint operability, while the delustring release film layer make cover layer it is fast it is molded after, tear off from
After type film layer, it is delustring form to contribute to white ink layer surface form；
3rd, both the utility model white ink layer and adhesion agent layer gross thickness are 4-50 μm, preferably can reach 6-15 μm,
Meet the design requirement of current FPC graph thinnings circuit；
4th, the utility model has relatively low bounce, is adapted to downstream High Density Packaging processing procedure；
5th, the folded structure that the utility model is white ink layer and adhesion agent layer forms, it is rational in infrastructure and simple, reduce
White ink layer is coated with FPC in the process on cover layer, manpower man-hour is saved, reduces production cost；
6th, will not in the flow such as fast pressure, cover layer curing and the SMT of the utility model white ink layer in FPC processing procedures
Produce Yellowing, and surface be because the protection of upper release layer will not be contaminated, change colour or with impurity, be also not in etching,
The anomalies such as electroplating liquid medicine infiltration, so as to improve product yield.
Brief description of the drawings
Fig. 1 is the structural representation of the first existing process；
Fig. 2 is the structural representation of second of existing process；
Fig. 3 is the structural representation of the third existing process；
Fig. 4 is structural representation of the present utility model；
Fig. 5 is the structural representation of LED-baseplate of the present invention；
Each several part mark is as follows in accompanying drawing：
A100- white inks；
The first white inks of B100- layer, B200- yellow PI layers, the adhesion agent layers of B300- first, the release layers of B400 first；
C100- white PI layers, C200- whites adhesion agent layer, the release layers of C300- second；
Release layer and 500-LED substrates under 100- white inks layer, 200- adhesion agent layers, the upper release layers of 300-, 400-.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Embodiment：A kind of LED-baseplate white covering film, as shown in figure 4, including white ink layer 100, adhesion agent layer
200th, upper release layer 300 and lower release layer 400, the adhesion agent layer 200 are formed at the upper surface of the lower release layer 400, institute
The upper surface that white ink layer 100 is formed at the adhesion agent layer 200 is stated, the upper release layer 300 is formed at the white oil
The upper surface of layer of ink 100；
Both gross thickness of the white ink layer 100 and the adhesion agent layer 200 are 4-50 μm, wherein, the white
The thickness of ink layer 100 is 1-25 μm, and the thickness of the adhesion agent layer 200 is 3-25 μm；
The upper release layer 300 is delustring release film layer, and the delustring release film layer contacts with the white ink layer
One side be that Rz values are 0.2-10 μm of mat surface；
The roughness of the upper surface of the white ink layer 100 is 50-1000nm, preferably 600-800nm.
Both gross thickness of the white ink layer 100 and the adhesion agent layer 200 are 6-15 μm, wherein, the white
The thickness of ink layer is 3-5 μm, and the thickness of the adhesion agent layer is 3-10 μm.
The white ink layer 100 is the ink layer containing matte powder.
The adhesion agent layer 200 refer to Dk values be 2.4-2.8 (10GHz), Df values be 0.002-0.006 (10GHz), line
Between insulation impedance be more than 1011Ω, sheet resistance are more than 1012Ω and volume resistance are more than 1013Ω cm glue-line.
The upper release layer 300 is polypropylene release layer, Biaxially oriented polypropylene release layer or poly terephthalic acid second two
Alcohol ester release layer, the lower release layer 400 are polypropylene release layer, Biaxially oriented polypropylene release layer or poly terephthalic acid second
Diol ester release layer.
A kind of LED-baseplate 500 using the white covering film, as shown in figure 5, the surface of the LED-baseplate 500 is covered
The adhesion agent layer 200 and the white ink layer 100 are stamped, the white ink layer 100 is located at the He of LED-baseplate 500
Between the adhesion agent layer 200.
The white ink layer 100 is the white ink layer that hardness is HB-5H, and hardness is preferably 2H-5H.
The white ink layer 100 is the white ink layer that glossiness is 0-50GU (60 °), preferably up to below 5GU；
Table 1 is the performance of the case hardnesses of 3 groups of embodiments and 3 groups of reference examples, high temperature yellowing resistance, glossiness and reflectivity
Test index is as a result as follows：
Table 1：
As shown in Table 1, the folded structure that the utility model is made up of white ink layer and adhesion agent layer, not only with ultra-thin thickness
Degree, also with high surface hardness, low high temperature yellowing resistance, low-luster and antiradar reflectivity.
Table 2 is the performance testing index of 5 groups of embodiments and the bounce of 3 groups of comparative examples, as a result as follows：
Table 2：
As shown in Table 2, the ultra-thin FPC of white covering film collocation can obtain the product that bounce is much smaller than comparative example, and rebound
Power<5.0gf.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other correlations
Technical field, similarly it is included in scope of patent protection of the present utility model.
Claims (6)
- A kind of 1. LED-baseplate white covering film, it is characterised in that：Including white ink layer, adhesion agent layer, upper release layer and under Release layer, the adhesion agent layer are formed at the upper surface of the lower release layer, and the white ink layer is formed at the solid The upper surface of layer, the upper release layer are formed at the upper surface of the white ink layer；The gross thickness of both the white ink layer and the adhesion agent layer is 4-50 μm, wherein, the thickness of the white ink layer Spend for 1-25 μm, the thickness of the adhesion agent layer is 3-25 μm；The upper release layer is delustring release film layer, and the delustring release film layer is with the one side that the white ink layer contacts Rz values are 0.2-10 μm of mat surface；The roughness of the upper surface of the white ink layer is 50-1000nm.
- A kind of 2. LED-baseplate white covering film according to claim 1, it is characterised in that：The white ink layer and The gross thickness of both adhesion agent layers is 6-15 μm, wherein, the thickness of the white ink layer is 3-5 μm, the solid The thickness of layer is 3-10 μm.
- A kind of 3. LED-baseplate white covering film according to claim 1, it is characterised in that：The white ink layer is Ink layer containing matte powder.
- A kind of 4. LED-baseplate white covering film according to claim 1, it is characterised in that：The adhesion agent layer refers to Dk values are that 2.4-2.8, Df value are that insulation impedance is more than 10 between 0.002-0.006, line11Ω, sheet resistance are more than 1012Ω and body Product resistance is more than 1013Ω cm glue-line.
- A kind of 5. LED-baseplate white covering film according to claim 1, it is characterised in that：The upper release layer is poly- Propylene release layer, Biaxially oriented polypropylene release layer or polyethylene terephthalate release layer, the lower release layer is poly- Propylene release layer, Biaxially oriented polypropylene release layer or polyethylene terephthalate release layer.
- A kind of 6. LED-baseplate of white covering film using as any one of claim 1 to 5, it is characterised in that：It is described The surface of LED-baseplate is located at the LED-baseplate covered with the adhesion agent layer and the white ink layer, the white ink layer Between the adhesion agent layer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720667887.9U CN206932472U (en) | 2017-06-09 | 2017-06-09 | A kind of LED-baseplate white covering film and the LED-baseplate using the white covering film |
| TW107109069A TWI656027B (en) | 2017-06-09 | 2018-03-16 | White cover film for led substrate and led substrate using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720667887.9U CN206932472U (en) | 2017-06-09 | 2017-06-09 | A kind of LED-baseplate white covering film and the LED-baseplate using the white covering film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206932472U true CN206932472U (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720667887.9U Active CN206932472U (en) | 2017-06-09 | 2017-06-09 | A kind of LED-baseplate white covering film and the LED-baseplate using the white covering film |
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| Country | Link |
|---|---|
| CN (1) | CN206932472U (en) |
| TW (1) | TWI656027B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153800A (en) * | 2019-06-27 | 2020-12-29 | 昆山雅森电子材料科技有限公司 | Double-layer covering film with high reflection performance and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202808680U (en) * | 2012-08-31 | 2013-03-20 | 苏州斯迪克新材料科技股份有限公司 | Tape for liquid crystal display module |
| CN203700252U (en) * | 2013-12-20 | 2014-07-09 | 深圳市摩码科技有限公司 | Matte white shading single-sided adhesive tape |
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- 2017-06-09 CN CN201720667887.9U patent/CN206932472U/en active Active
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- 2018-03-16 TW TW107109069A patent/TWI656027B/en active
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| Publication number | Publication date |
|---|---|
| TWI656027B (en) | 2019-04-11 |
| TW201902704A (en) | 2019-01-16 |
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