CN106908887A - A kind of application type reflectance coating of high brightness - Google Patents
A kind of application type reflectance coating of high brightness Download PDFInfo
- Publication number
- CN106908887A CN106908887A CN201710195864.7A CN201710195864A CN106908887A CN 106908887 A CN106908887 A CN 106908887A CN 201710195864 A CN201710195864 A CN 201710195864A CN 106908887 A CN106908887 A CN 106908887A
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- China
- Prior art keywords
- coating
- reflectance coating
- application type
- high brightness
- particle
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
- G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
-
- 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
- G02F1/133605—Direct backlight including specially adapted reflectors
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to optical thin film, more particularly to a kind of high brightness application type reflectance coating.In order to lift the brightness of display, the present invention provides a kind of application type reflectance coating.The reflectance coating includes substrate layer and coating layer；The coating layer includes the spheroidal particle and resin of uniform particle size, and the spheroidal particle passes through the resin-bonded surface in the substrate layer.In preparation process, the raw material of the coating layer is first configured to coating fluid, and the coating fluid includes：Resin 18 30%, diluent 59 77%, spheroidal particle 1 8%, curing agent 1 3%, the percentage composition is weight percentage.After the application type reflectance coating is applied in the backlight module of display, the brightness of display is significantly improved.
Description
Technical field
The present invention relates to optical thin film, more particularly to a kind of high brightness application type reflectance coating.
Background technology
Liquid crystal display (LCD) is current widely used Display Technique, and because its energy consumption is low, image quality is high etc., and reason is received deeply
People like, in liquid crystal display backlight module as significant components for it provides light source.The main member of backlight module includes：
All kinds of blooming pieces such as light source, light guide plate, reflectance coating.
At present, brightness requirement more and more higher of the market for LCD, improves the brightness demand more and more higher of backlight module.
In backlight module, the major function of reflectance coating is that the light that will spill light guide plate bottom efficiently, uniformly reflects, so as to reduce light loss
Consumption, lifts display brightness.Although reflectance coating currently used in the market can reduce light loss, light loss is still present
It is too high, it is impossible to effectively using the situation of light source.As shown in figure 1, some light reflects by reflectance coating, backlight module can be reflexed to
In addition, absorbed by the non-luminescent part of backlight module.
The content of the invention
In order to lift the brightness of display, the present invention provides a kind of application type reflectance coating.The application type reflectance coating is applied to
After in the backlight module of display, the brightness of display is significantly improved.
In order to solve the above problems, the present invention uses following technical proposals.
The invention provides a kind of application type reflectance coating of high brightness, the reflectance coating includes substrate layer and coating layer；Institute
Spheroidal particle and resin of the coating layer including uniform particle size are stated, the spheroidal particle passes through the resin-bonded table in the substrate layer
Face.
One layer of spheroidal particle of uniform particle size is coated with above-mentioned reflectance coating, is generated when light source is by coated face repeatedly
Reflection, the purpose of display brightness is increased so as to reach.The spheroidal particle of uniform particle size is the spheroidal particle of single particle size.
Further, in the application type reflectance coating of described high brightness, the spheroidal particle is selected from polymethylacrylic acid
Methyl esters (PMMA) particle, polystyrene (PS) particle, polybutyl methacrylate (PBMA) particle.
Further, in the application type reflectance coating of described high brightness, the particle diameter of the spheroidal particle is 5-20 μm.
Further, the particle diameter of the spheroidal particle is 10-15 μm.
Further, in the application type reflectance coating of described high brightness, the resin is selected from solvent type heat-curing propylene
The combination of two kinds of one kind or wherein at least in acid resin or solvent type heat-curing polyester resin.
Further, in the application type reflectance coating of described high brightness, in preparation process, the raw material of the coating layer
Coating fluid is first configured to, the coating fluid includes：Resin 18-30%, diluent 59-77%, spheroidal particle 1-8%, curing agent
1-3%, the percentage composition is weight percentage.
Further, in the application type reflectance coating of described high brightness, the diluent is selected from ethyl acetate, acetic acid fourth
Ester, one kind or at least two mixture in butanone, or toluene.
Further, the diluent is the combination of ethyl acetate and butyl acetate, wherein, ethyl acetate and butyl acetate
Respectively account for half ratio (50wt%).
Further, in the application type reflectance coating of described high brightness, the spheroidal particle is selected from polymethylacrylic acid
Butyl ester (PBMA) particle.
Further, the curing agent is selected from isocyanates curing agent.
Further, in the application type reflectance coating of described high brightness, the curing agent is heat cure isocyanates.
Further, in the application type reflectance coating of described high brightness, the coating fluid includes：Solvent type heat-curing gathers
Ester resin 18-22%, diluent 73-75%, spheroidal particle 3-5%, heat cure isocyanates 2%.Preceding solution includes
Embodiment 12, embodiment 18-19.
The present invention also provides a kind of preparation method of the application type reflectance coating of described high brightness, and methods described includes following
Step：
(1) raw material of coating layer is configured to coating fluid, spheroidal particle is mixed with diluent, high-speed stirred 0.5-1h
Afterwards, mixed with resin is added, high-speed stirred 0.5-1h is subsequently adding curing agent, and high-speed stirred 10-20min is obtained the coating
Liquid；
(2) coating solution is formed into coating layer behind the surface of base material, coating fluid solidification.
The application type reflectance coating that the present invention is provided, is compared to the bright of the increase display that common reflectance coating can be higher
Degree.
Compared with existing reflectance coating, the application type reflectance coating that the present invention is provided is applied in the backlight module of display it
Afterwards, the brightness of display is significantly improved.
Brief description of the drawings
Fig. 1 is the light path schematic diagram after light reflects through existing reflectance coating；
The structural representation of the reflectance coating that Fig. 2 is provided for the present invention；
Fig. 3 is light through the light path schematic diagram after the reflectance coating reflection that the present invention is provided.
Specific embodiment
With reference to specific embodiment and Figure of description, the present invention is described in further detail.
As shown in Fig. 2 the present invention provides a kind of application type reflectance coating of high brightness, the reflectance coating includes the He of substrate layer 1
Coating layer 2；The coating layer 2 includes the spheroidal particle 3 and resin 4 of uniform particle size.The spheroidal particle 3 is bonded by resin 4
On the surface of the substrate layer.
As shown in figure 3, the reflectance coating surface that the present invention is provided is coated with one layer of spheroidal particle of uniform particle size, when light source passes through
Multiple reflections can be produced during reflectance coating surface, so as to reduce light source loss, the utilization rate of light source is lifted, the mesh of lifting brightness is reached
, and then increase the brightness of display.
The method of testing of the main performance of the reflectance coating that the present invention is provided is summarized as follows：
The method of testing of brightness (i.e. briliancy)：Reflectance coating is assembled into backlight module, the light-emitting area of backlight module is divided into 5
× 5 25 areas, light backlight module, are measured using Fu Shida BM-7A brightness photometers, determine angle be 1 °, brightness photometer with
The distance of backlight one side light-emitting area is 50cm, measures 25 briliancy of point in backlight module one side light-emitting area, tries to achieve 25 points
Briliancy arithmetic mean of instantaneous value as reflectance coating brightness.
Brightness percentage：Mean flow rate with reflectance coating substrate layer as standard (100%), embodiment gained reflectance coating it is flat
Equal brightness is brightness percentage with respect to the percent value of the mean flow rate of base material.
Resistance to scraping：Reflectance coating is placed on above the light guide plate being applied in backlight module, coated particle face contact light guide plate,
Place the counterweight of constant weight again on the reflecting film, using the speed of 2cm/s drag reflectance coating on light guide plate it is unidirectional at the uniform velocity
It is mobile, mobile 20cm, visually observe light guide plate surface on reflectance coating mobile route whether scratch.If without scratch, increasing weight
Code weight, retest, until there is scratch or more than counterweight upper weight limit.Counterweight weight is bigger to represent that anti-scratch performance is more excellent
It is different.
In embodiment mentioned in the present invention, the solvent type heat-curing acrylic resin, solvent type heat-curing polyester
From DIC companies of Japan, the spheroidal particle is purchased from Japanese ponding chemical company, the heat cure isocyanates for resin buying
Purchase from DIC companies of Japan.The reflection film base material is purchased from Chang Yang Science and Technology Ltd.s of China, DJX188 type reflectance coatings.
Diluent is conventional chemical reagent.
Embodiment 1
A kind of application type reflectance coating of high brightness that the present invention is provided, the reflectance coating includes substrate layer and coating layer；Institute
State spheroidal particle of the coating layer including uniform particle size.The spheroidal particle passes through the resin-bonded surface in the substrate layer.
In preparation process, the raw material of the coating layer is first configured to coating fluid, and the formula of the coating fluid is as shown in the table：
| Raw material | Weight percentage |
| Diluent (butanone, toluene) | 77% (butanone, toluene respectively account for 38.5%) |
| Solvent type heat-curing acrylic resin | 20% |
| Spheroidal particle (PS) | 1% (particle diameter is 5 μm) |
| Heat cure isocyanates | 2% |
The reflectance coating that the present invention is provided is prepared using following methods：
Diluent first by 1% spheroidal particle with 77% mixes, and the particle diameter of the spheroidal particle is 5 μm, described dilute
Butanone respectively accounts for 38.5%, after high-speed stirred 0.5-1h respectively with toluene in releasing agent, adds 20% mixed with resin, high-speed stirred
0.5-1h, is subsequently adding 2% curing agent, and high-speed stirred 10-20min is obtained coating fluid.By the coating solution in base material
On layer, solidification obtains reflectance coating.
Embodiment 2
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
| Raw material | Weight percentage |
| Diluent (butanone, toluene) | 77% (butanone toluene respectively accounts for 38.5%) |
| Solvent type heat-curing polyester resin | 20% |
| Spheroidal particle (PBMA) | 1% (particle diameter is 5 μm) |
| Heat cure isocyanates | 2% |
Embodiment 3
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 4
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 5
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 6
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 7
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 8
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 9
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 10
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 11
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 12
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 13
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 14
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 15
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 16
The reflectance coating that such as embodiment 1 is provided, wherein, the coating fluid formula such as following table：
Embodiment 17
The reflectance coating that such as embodiment 16 is provided, wherein, the coating fluid formula such as following table：
Embodiment 18
The reflectance coating that such as embodiment 12 is provided, wherein, the coating fluid formula such as following table：
Embodiment 19
The reflectance coating that such as embodiment 12 is provided, wherein, the coating fluid formula such as following table：
The performance detection data of the application type reflectance coating of high brightness and reflectance coating substrate layer obtained in the embodiment of the present invention of table 1
The test data in above-mentioned table 1 is analyzed, using uncoated reflective substrate (i.e. substrate layer) as control sample, is implemented
Sample in example has been coated with the spheroidal particle of single particle size, and mean flow rate substantially increases.Meanwhile, anti-scratch performance is substantially carried
Rise.Wherein, the combination property of the reflectance coating that embodiment 12, embodiment 18-19 are provided is more preferable.
Particularly, the spheroidal particle of addition 4%, the spheroidal particle particle size is 15 μm, while using solvent-borne type
Heat cure polyester resin prepares coating fluid, and by the coating solution on the substrate layer of reflectance coating, it lifts the bright of display
The best results of degree, the brightness highest of the reflectance coating that the embodiment of the present invention 12 is provided.
The above, only presently preferred embodiments of the present invention is not intended to limit the scope of the present invention.It is every
The impartial change done according to present invention and modification, are encompassed by the scope of the claims of the invention.
Claims (10)
1. the application type reflectance coating of a kind of high brightness, it is characterised in that the reflectance coating includes substrate layer and coating layer；The painting
Layer of cloth includes the spheroidal particle and resin of uniform particle size, and the spheroidal particle passes through the resin-bonded surface in the substrate layer.
2. the application type reflectance coating of high brightness according to claim 1, it is characterised in that the spheroidal particle is selected from poly- first
Base methyl acrylate (PMMA) particle, polystyrene (PS) particle, polybutyl methacrylate (PBMA) particle.
3. the application type reflectance coating of high brightness according to claim 1, it is characterised in that the particle diameter of the spheroidal particle is
5-20μm。
4. the application type reflectance coating of high brightness according to claim 1, it is characterised in that the resin is selected from solvent-based thermal
The combination of two kinds of one kind or wherein at least in curing acrylic resin or solvent type heat-curing polyester resin.
5. the application type reflectance coating of high brightness according to claim 4, it is characterised in that in preparation process, the painting
The raw material of layer of cloth is first configured to coating fluid, and the coating fluid includes：Resin 18-30%, diluent 59-77%, spheroidal particle 1-
8%, curing agent 1-3%, the percentage composition is weight percentage.
6. the application type reflectance coating of high brightness according to claim 5, it is characterised in that the diluent is selected from acetic acid second
Ester, butyl acetate, one kind or at least two mixture in butanone, or toluene.
7. the application type reflectance coating of high brightness according to claim 5, it is characterised in that the spheroidal particle is selected from poly- first
Base butyl acrylate (PBMA) particle.
8. the application type reflectance coating of high brightness according to claim 5, it is characterised in that the curing agent is that heat cure is different
Cyanate.
9. the application type reflectance coating of high brightness according to claim 5, it is characterised in that the coating fluid includes：Solvent
Type heat cure polyester resin 18-22%, diluent 73-75%, spheroidal particle 3-5%, heat cure isocyanates 2%.
10. a kind of preparation method of the application type reflectance coating of high brightness according to claim 5, it is characterised in that described
Method comprises the steps：
(1) raw material of coating layer is configured to coating fluid, spheroidal particle is mixed with diluent, after high-speed stirred 0.5-1h, plus
Enter mixed with resin, high-speed stirred 0.5-1h is subsequently adding curing agent, and high-speed stirred 10-20min is obtained the coating fluid；
(2) coating solution is formed into coating layer behind the surface of base material, coating fluid solidification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195864.7A CN106908887B (en) | 2017-03-29 | 2017-03-29 | High-brightness coating type reflecting film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710195864.7A CN106908887B (en) | 2017-03-29 | 2017-03-29 | High-brightness coating type reflecting film |
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| Publication Number | Publication Date |
|---|---|
| CN106908887A true CN106908887A (en) | 2017-06-30 |
| CN106908887B CN106908887B (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710195864.7A Active CN106908887B (en) | 2017-03-29 | 2017-03-29 | High-brightness coating type reflecting film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740947A (en) * | 2021-09-03 | 2021-12-03 | 宁波东旭成新材料科技有限公司 | High-reflectivity reflecting film |
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| JPH05273552A (en) * | 1992-03-27 | 1993-10-22 | Meitaku Syst:Kk | Irregular reflection means of edge light panel and its production |
| JPH11160508A (en) * | 1997-11-28 | 1999-06-18 | Asahi Glass Co Ltd | Translucent reflector, reflector and application device |
| JP2001166110A (en) * | 1999-12-06 | 2001-06-22 | Fuji Photo Film Co Ltd | Light collimator sheet |
| CN101093258A (en) * | 2006-06-22 | 2007-12-26 | 宣茂科技股份有限公司 | Structure of diffusion module, and fabricating method |
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| CN103412355A (en) * | 2013-08-19 | 2013-11-27 | 宁波激智科技股份有限公司 | Diffusion membrane capable of improving viewing angle |
| CN203745768U (en) * | 2013-09-24 | 2014-07-30 | 南京兰埔成新材料有限公司 | PET diffuse type white reflecting film |
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|---|---|---|---|---|
| US4653854A (en) * | 1984-03-15 | 1987-03-31 | Seibu Polymer Kasei Kabushiki Kaisha | Cellular reflex-reflecting sheeting |
| JPH05273552A (en) * | 1992-03-27 | 1993-10-22 | Meitaku Syst:Kk | Irregular reflection means of edge light panel and its production |
| JPH11160508A (en) * | 1997-11-28 | 1999-06-18 | Asahi Glass Co Ltd | Translucent reflector, reflector and application device |
| JP2001166110A (en) * | 1999-12-06 | 2001-06-22 | Fuji Photo Film Co Ltd | Light collimator sheet |
| CN101093258A (en) * | 2006-06-22 | 2007-12-26 | 宣茂科技股份有限公司 | Structure of diffusion module, and fabricating method |
| CN101484746B (en) * | 2006-06-23 | 2013-06-12 | 东丽株式会社 | White reflection film |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740947A (en) * | 2021-09-03 | 2021-12-03 | 宁波东旭成新材料科技有限公司 | High-reflectivity reflecting film |
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Application publication date: 20170630 Assignee: Ningbo Changlong New Material Co.,Ltd. Assignor: NINGBO SOLARTRON TECHNOLOGY Co.,Ltd. Contract record no.: X2021330000199 Denomination of invention: A high brightness coated reflective film Granted publication date: 20200731 License type: Common License Record date: 20210831 |