CN106950625B - The production method and diffuser plate of mirror-reflection site - Google Patents
The production method and diffuser plate of mirror-reflection site Download PDFInfo
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- CN106950625B CN106950625B CN201710360833.2A CN201710360833A CN106950625B CN 106950625 B CN106950625 B CN 106950625B CN 201710360833 A CN201710360833 A CN 201710360833A CN 106950625 B CN106950625 B CN 106950625B
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- silver
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- site
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- diffuser plate
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0284—Diffusing elements; Afocal elements characterized by the use used in reflection
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
- G02B5/0825—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only
- G02B5/0841—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only comprising organic materials, e.g. polymers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Planar Illumination Modules (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The present invention relates to backlights to expand plate technique field, more particularly to the production method and diffuser plate of a kind of mirror-reflection site, including silver-colored reflector plate is ground into the anti-powder of silver, the anti-powder of silver and glue are mixed into the anti-glue cream of silver, the surface that the anti-glue cream of silver is printed on diffuser plate is formed into site, diffuser plate is toasted again, makes site solidification and natural cooling.The invention has the benefit that process scale is big, and it is easy to process quick, cost is reduced, the site after processing is not easily to fall off, and fastness is more preferable.It realizes that emitting led light source straight-down negative in four sides is thinned backlight, increases LED light away from reduction LED number covers LED light shadow, and site has higher backlight light extraction efficiency.
Description
Technical field
The present invention relates to backlights to expand plate technique field more particularly to a kind of production method and diffusion of mirror-reflection site
Plate.
Background technique
In direct-type backlight, nothing has been sampled in order to reach backlight thinning and reduce LED number while reaching backlight again
The purpose of lamp shadow is typically employed in expand on plate and prints white ink site to realize this purpose.
Using white ink since reflected light has the biggish angle of divergence, lead to expand dot area coverage height on plate, out light efficiency
Rate is low.Especially at present using in the light-emitting LED backlight as light source in lensless four sides, the backlight is in H/P (lamp box height
When than lamp away from 0.3 or less <, lamp shadow is clearly.Due to the light-emitting LED more general five faces light extracting LED efficiency of light extraction efficiency in four sides compared with
It is low, plate is expanded using traditional white ink site, dot area coverage is high, and light extraction efficiency is low, and the power consumption of backlight can further increase.
Diffuser plate with mirror-reflection site (silver is anti-), due to the light beam angle of mirror-reflection site (silver is anti-) reflection
Small, reflectivity height is spent, especially in the light-emitting LED backlight in four sides, light is incident on the optical angle of mirror-reflection site (silver is anti-)
Greatly, white more anti-than using using mirror-reflection site (silver is anti-), dot area reason is less than white anti-site, and light loss is smaller, backlight
The whiter anti-site of efficiency can be substantially improved.But it is relatively difficult that mirror-reflection site (silver is anti-) is made on diffuser plate, according to expansion
It falls apart plus special site mask plate is using thin film deposition processes, deposit metal material (Al, Ag, Pt etc.) mirror-reflection net
Point, then it is with high costs, and be easy to be influenced by board size, it is difficult to accomplish 32 cun or more of large-scale production, and the mirror made
Due to the rough surface (embossing) of diffuser surface, site is easy to fall off veil point.
Summary of the invention
In view of the above-mentioned problems, propose a kind of production method of mirror-reflection site according to the present invention, this method include with
Lower step:
Silver-colored reflector plate is ground into the anti-powder of silver；
The anti-powder of silver and glue are mixed into the anti-glue cream of silver；
The surface that the anti-glue cream of the silver is printed on diffuser plate is formed into site；
The diffuser plate is toasted again, makes the site solidification natural cooling.
In the production method of mirror-reflection site, the silver reflector plate includes PET basement membrane, is arranged in the PET basement membrane
Obverse and reverse on silver coating and the protective layer that is arranged on the outer surface of the silver coating.
In the production method of mirror-reflection site, the protective layer of the silver reflector plate is polymethyl methacrylate protection
Layer or silicon dioxide layer of protection.
In the production method of mirror-reflection site, the silver-colored reflector plate is crushed using pulverizer.
In the production method of mirror-reflection site, the anti-powder of the silver is sieved.
In the production method of mirror-reflection site, the weight of the anti-powder of silver account for the 50% of the glue weight to
75%.
In the production method of mirror-reflection site, the anti-glue cream of the silver is printed on the diffuser plate by mold.
In the production method of mirror-reflection site, the dot density is to gradually decrease or gradually increase.
In the production method of mirror-reflection site, baking time is 3-30 minutes.
A kind of diffuser plate with mirror-reflection site, including plate body are machined with mirror-reflection on the surface of the plate body
Site.
In the above-mentioned technical solutions, the production method of mirror-reflection site provided by the invention is led to compared with prior art
It crosses and silver-colored reflector plate is ground into powder and glue is mixed into the anti-glue cream of silver, the anti-glue cream of silver is printed on diffuser plate two sides using mold
Form dot shape, diffuser plate toasted, natural cooling after solidifying site, process scale is big, easy to process quick, reduce at
This, the site after processing is not easily to fall off, and fastness is more preferable.It realizes that emitting led light source straight-down negative in four sides is thinned backlight, increases
LED light is away from reduction LED number covers LED light shadow, and site has higher backlight light extraction efficiency.
Since the production method of above-mentioned mirror-reflection site has above-mentioned technique effect, the diffuser plate of this method processing is utilized
Also there should be corresponding technical effect.
Detailed description of the invention
The invention will be described in more detail below based on embodiments and refering to the accompanying drawings.
Fig. 1 is the flow chart of the production method of mirror-reflection site in one embodiment of the application.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
As shown in Figure 1, this schematically shows that the production method of the mirror-reflection site, the production method include
Step S1: silver-colored reflector plate is ground into the anti-powder of silver；Step S2: the anti-powder of silver and glue are mixed into the anti-glue cream of silver；Step
S3: the surface that the anti-glue cream of the silver is printed on diffuser plate is formed into site；Step S4: again toasting the diffuser plate, makes described
This four big step of natural cooling after the solidification of site.
It should be noted that in the present invention, mirror-reflection is also known as silver reflection, i.e. mirror-reflection site is also known as silver reflection
Site, mirror-reflection piece are also known as silver-colored reflector plate.
It should be noted that in the present invention, the lower surface that the anti-glue cream of silver is printed on diffuser plate forms site.
In one particular embodiment of the present invention, step S1 carries out silver reflector plate common in existing small size backlight
It is mechanically pulverized, silver-colored reflector plate is ground into the anti-powder of silver.Wherein, silver-colored reflector plate can Reusability saving processing cost.
In this step, silver-colored reflector plate includes PET basement membrane (PET is polyethylene terephthalate), is arranged in PET base
Silver coating on the obverse and reverse of film and the protective layer being arranged on the outer surface of silver coating.Make the step of the silver reflector plate
Suddenly are as follows: prepare a protective layer in the silver-plated respectively on the front and back of PET basement membrane, then on the outer surface of silver coating.Wherein,
Protective layer can be organic polymethyl methacrylate (PMMA) protective layer or inorganic silicon dioxide (SiO2) protective layer.
In this step, mechanical crushing can select pulverizer, and pulverizer is to be crushed to large-sized solid material to want
Seek the machinery of size.Pulverizer is made of the devices such as coarse crushing, fine crushing, wind model, and pulverizer is reached in the form of high-speed impact
Purpose.Pulverizer can be divided into boulder crusher, pulverizer, micronizer according to by the size of particle or broken system material.According to
The present invention, pulverizer select micronizer.
In this step, it in order to remove the anti-powder of non-compliant silver, avoids to merge with glue, and improve net
Dot is formed by the anti-powder of silver through crushing process and also needs to be filtered screening at effect.According to the present invention, the anti-powder of screening silver
The sieve at end selects the sieve of 35 mesh, and the diameter of silver anti-powder of the powder after screening is between 10 microns -100 microns.
In the present embodiment, the anti-powder of silver and glue are mixed into the anti-glue cream of silver by step S2, wherein in mixed process,
The weight of the anti-powder of silver is taken to account for the 50% to 75% of the glue weight.By the step, the anti-powder of silver can be made preferably attached
On diffuser plate, avoid falling off.In book step, it can also increase brightener and wax powder in the anti-glue cream of silver, for increasing light
Degree.
In the present embodiment, step S3 carries out the anti-glue of silver in the lower surface of diffuser plate using traditional silk-screened site processing procedure
The lower surface that the anti-glue cream of the silver is printed on diffuser plate is formed dot shape by cream silk-screen printing.
In this step, silk-screen printing belongs to porous printing, it and flat stamping, convex print, gravure are collectively known as four big printings
Method.The principle of porous printing is: printing plate (producing in paper membrane version or other editions version bases can be by the eyelet of ink) is printing
When brush, it is transferred to the eyelet of ink (being in the present invention the anti-glue cream of silver) through hole version on stock by certain pressure,
Form image or text.Screen printing apparatus is simple and convenient to operate, print, make a plate it is simple and low in cost, it is adaptable.
In this step, printing process specifically: diffuser plate is fixed in the middle part of halftone first, is provided on halftone multiple
It is used to form the eyelet of site；Then, by certain pressure, make the anti-glue cream of silver through halftone shape on the lower surface of diffuser plate
At site.The printing process is easy to process quick, and work efficiency is high, can be completed without surplus labour force.
In the present embodiment, diffuser plate is placed in roasting plant and toasts 3-30 minutes by step S4, solidifies site, then will
It takes out natural cooling.Such step can make site quickly shape, and avoid Net points deformation or breaking-up.
In this step, the optional baking oven of roasting plant.Baking oven heats new technology using the energy conservation and environmental protection that state key is promoted,
Electrothermal tube is heated by power supply, generates heat source, thermal energy can be directly translated into when its heating object absorbs, to obtain fast
The purpose of fast drying effect reaches and shortens the production cycle, energy saving, improves product quality.Baking oven is sent by motor by air duct
Wind reaches oven interior temperature uniformly, and air supply mode divides vertical circulation air-supply and horizontal cyclic air-supply again, and baking oven can pass through
Different air supply modes keeps heating more reasonable, uniformly.
In this step, diffuser plate baking time preferably 15 minutes, this baking time can make site good forming effect,
Baking time is short simultaneously, improves processing efficiency.
In one particular embodiment of the present invention, the dot density on diffuser plate is to gradually decrease or gradually increase.This
The setting of sample can increase LED light away from reduction LED number covers LED light shadow, and site has higher backlight light extraction efficiency.
On the other hand, the invention further relates to a kind of diffuser plate with mirror-reflection site, which includes plate body,
Mirror-reflection site is machined in the lower surface of plate body.The production method of mirror-reflection site on the diffuser plate is as described above
Mirror-reflection site production method.It is straight that the diffuser plate with mirror-reflection site can be realized four sides emitting led light source
Following formula is thinned backlight, increases LED light away from reduction LED number covers LED light shadow, and site has higher backlight light extraction efficiency.
In conclusion the production method of mirror-reflection site of the invention is able to solve and is added special site using diffuser plate
Mask plate utilizes thin film deposition processes, deposits the mirror-reflection site metal material (Al, Ag, Pt etc.), with high costs, and is easy
It is influenced by board size, is difficult to accomplish 32 cun or more of large-scale production, and the mirror surface site made is due to diffuser surface
Rough surface (embossing), the problem of site is easy to fall off.Diffuser plate with silver reflection site of the invention, which is able to solve, to be adopted
With white ink since reflected light has the biggish angle of divergence, lead to expand dot area coverage height on plate, light extraction efficiency is low, backlight function
Consume big problem.
The production method process scale of mirror-reflection site of the invention is big, easy to process quick, cost is reduced, after processing
Site it is not easily to fall off, fastness is more preferable.Diffuser plate with silver reflection site of the invention can realize four sides emitting led light source
Straight-down negative is thinned backlight, increases LED light away from reduction LED number covers LED light shadow, and there is higher backlight to go out light efficiency for site
Rate.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (9)
1. a kind of production method of mirror-reflection site, which is characterized in that method includes the following steps:
Step S1: being ground into the anti-powder of silver for silver-colored reflector plate,
Wherein, the silver-colored reflector plate includes PET basement membrane, the silver coating in the upper and lower surfaces that the PET basement membrane is arranged in
And the protective layer on the outer surface of the silver coating is set；Step S2: the anti-powder of silver and glue are mixed into the anti-glue of silver
Cream；
Step S3: the surface that the anti-glue cream of the silver is printed on diffuser plate is formed into site；
Step S4: again toasting the diffuser plate, natural cooling after solidifying the site.
2. the production method of mirror-reflection site according to claim 1, which is characterized in that the protective layer is poly- methyl
Methyl acrylate protective layer or silicon dioxide layer of protection.
3. the production method of mirror-reflection site according to claim 1, which is characterized in that
In step sl, the silver-colored reflector plate is crushed using pulverizer.
4. the production method of mirror-reflection site according to claim 3, which is characterized in that
In step sl, the anti-powder of the silver is sieved.
5. the production method of mirror-reflection site according to claim 1, which is characterized in that
In step s 2, the weight of the anti-powder of silver accounts for the 50% to 75% of the glue weight.
6. the production method of mirror-reflection site according to claim 1, which is characterized in that
In step s3, the anti-glue cream of the silver is printed on the diffuser plate by mold.
7. the production method of mirror-reflection site according to claim 1, which is characterized in that
In step s 4, baking time is 3-30 minutes.
8. the production method of mirror-reflection site according to claim 1-7, which is characterized in that
The dot density is to gradually decrease or gradually increase.
9. utilizing the diffuser plate with mirror-reflection site of any one of claim 1-8 processing, which is characterized in that including plate
Body is machined with the mirror-reflection site on the surface of the plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710360833.2A CN106950625B (en) | 2017-05-19 | 2017-05-19 | The production method and diffuser plate of mirror-reflection site |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710360833.2A CN106950625B (en) | 2017-05-19 | 2017-05-19 | The production method and diffuser plate of mirror-reflection site |
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| CN106950625A CN106950625A (en) | 2017-07-14 |
| CN106950625B true CN106950625B (en) | 2019-04-26 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012204136A (en) * | 2011-03-25 | 2012-10-22 | Toppan Printing Co Ltd | Light guide plate, backlight unit, and display device |
| CN103162169A (en) * | 2011-12-16 | 2013-06-19 | 陈帅龙 | Conductive chemical tempered glass integrally formed backlight module and manufacturing method thereof |
| CN103672734A (en) * | 2013-12-17 | 2014-03-26 | 深圳市优利尔节能照明科技有限公司 | Integrated LED panel lamp optical plate and manufacturing method thereof |
| KR20140037340A (en) * | 2012-09-17 | 2014-03-27 | 도레이첨단소재 주식회사 | Reflective sheet for a back light unit and the manufacturing method thereof |
| CN103824924A (en) * | 2014-02-18 | 2014-05-28 | 张红卫 | Method for manufacturing substrate used for packaging white LED |
| CN104576844A (en) * | 2015-01-13 | 2015-04-29 | 安徽瑞研新材料技术研究院有限公司 | Machining process for white LED packaging substrate |
| CN205746111U (en) * | 2016-06-21 | 2016-11-30 | 杭州上达光电科技有限公司 | A kind of LED side luminescent panel lamp |
| CN106273571A (en) * | 2016-08-29 | 2017-01-04 | 江西中创光电科技有限公司 | A kind of light guide plate mesh point and preparation method thereof |
-
2017
- 2017-05-19 CN CN201710360833.2A patent/CN106950625B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012204136A (en) * | 2011-03-25 | 2012-10-22 | Toppan Printing Co Ltd | Light guide plate, backlight unit, and display device |
| CN103162169A (en) * | 2011-12-16 | 2013-06-19 | 陈帅龙 | Conductive chemical tempered glass integrally formed backlight module and manufacturing method thereof |
| KR20140037340A (en) * | 2012-09-17 | 2014-03-27 | 도레이첨단소재 주식회사 | Reflective sheet for a back light unit and the manufacturing method thereof |
| CN103672734A (en) * | 2013-12-17 | 2014-03-26 | 深圳市优利尔节能照明科技有限公司 | Integrated LED panel lamp optical plate and manufacturing method thereof |
| CN103824924A (en) * | 2014-02-18 | 2014-05-28 | 张红卫 | Method for manufacturing substrate used for packaging white LED |
| CN104576844A (en) * | 2015-01-13 | 2015-04-29 | 安徽瑞研新材料技术研究院有限公司 | Machining process for white LED packaging substrate |
| CN205746111U (en) * | 2016-06-21 | 2016-11-30 | 杭州上达光电科技有限公司 | A kind of LED side luminescent panel lamp |
| CN106273571A (en) * | 2016-08-29 | 2017-01-04 | 江西中创光电科技有限公司 | A kind of light guide plate mesh point and preparation method thereof |
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| CN106950625A (en) | 2017-07-14 |
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Address after: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee after: TCL Huaxing Photoelectric Technology Co.,Ltd. Address before: 9-2 Tangming Avenue, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen China Star Optoelectronics Technology Co.,Ltd. |