CN207051523U - Laser processing can be prevented to be stained with the light guide plate of glutinous phenomenon - Google Patents
Laser processing can be prevented to be stained with the light guide plate of glutinous phenomenon Download PDFInfo
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- CN207051523U CN207051523U CN201721024770.5U CN201721024770U CN207051523U CN 207051523 U CN207051523 U CN 207051523U CN 201721024770 U CN201721024770 U CN 201721024770U CN 207051523 U CN207051523 U CN 207051523U
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- light guide
- guide plate
- diaphragm
- stained
- spacer medium
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Abstract
The utility model provides a kind of light guide plate for preventing laser processing from being stained with glutinous phenomenon, and light guide plate is covered with a diaphragm respectively on two surfaces being oppositely arranged, and light guide plate has the predetermined machined surface with above-mentioned surface perpendicular abutment.One spacer medium is positioned adjacent on any diaphragm of the light guide plate of predetermined machined surface by the utility model, is continued and is stacked some light guide plates, and makes to be provided with spacer medium between adjacent wantonly two diaphragm, and each predetermined machined surface adjoins each other.Thus, can prevent when predetermined machined surface carries out laser processing, adjacent diaphragm is heated and produces and is mutually stained with glutinous phenomenon, is effectively improved the product yield that the light guide plate to form lens array is processed using laser.
Description
Technical field
Light guide plate manufacturing field is the utility model is related to, more particularly to a kind of leaded light for preventing laser processing from being stained with glutinous phenomenon
Plate.
Background technology
Now, in field of display, the application of light guide plate is extremely common, through the excellent optical properties of light guide plate, i.e.,
Spot light can be guided to form uniform area light source and be supplied to display panel, and then picture shows purpose.It is relative depending on light source
The set location of light guide plate, can be divided into side entering type and two kinds of application types of straight-down negative, and lightening due to display in recent years
Trend, edge-type light guide plate module more meets the structure design of frivolous demand because can reach, therefore gradually substitutes straight down type guide light template die
Block and turn into mainstream applications.
However, being limited to the exhibition angular of spot light, brightness unevenness can be formed adjacent to light source setting area in light guide plate
Light extraction situation, commonly referred to as hot spot phenomenon (Hot spot).To solve hot spot phenomenon, incident side corresponding light source is typically employed in
It is processed to form micro-structural at the plane of incidence, by changing the path after light incidence, to reduce above-mentioned brightness unevenness phenomenon.
For the processing of light guide plate incidence surface, micro-structural when light guide plate is made, directly can be formed in incidence surface by ejection formation.
However, display is except gradually lightening now, also in the presence of the demand for expanding viewing area area, therefore the guide-lighting board size carried
It is consequently increased, but is limited to the limit of ejection forming technique, can not directly produces large-size light-conducting plate by this way.And
Afterwards, using light guide plate is first made, recycle the mode of Tool in Cutting micro-structural to be produced, but derive what is formed in cutting
A large amount of chips and powder are remained on light guide plate, the problem of influenceing micro-structural quality.Therefore the present inventor proposes to process using laser
Mode, the technology of batches of light guide plate incidence surface scorification formation lens array micro-structural is being stacked, detailed content see China
Taiwan Patent application certificate number TWI576194B (corresponding number of patent application TW105110880).
In practical application, to prevent from scraping damage light guide plate in subsequent handling or laser processing, therefore before laser processing,
Protective film can be covered in the upper and lower surface of light guide plate.However, when stacking batches of light guide plate through laser scorification processing, but
Adjacent diaphragm can be produced because heated to melt, and then be mutually stained with glutinous situation, subsequently when taking or mobile single light guide plate
Film problem of lifting can be produced, or to be not readily separated between each light guide plate, and then reduces the yield of light guide plate shipment product.In view of
This, the present inventor therefore propose it is a kind of prevent the laser processing from being stained with the light guide plate of glutinous phenomenon, be stained with glutinous bring to exclude diaphragm
Various losses.
Utility model content
The technical problems to be solved in the utility model be in order to overcome in the prior art light guide plate heap poststack perform laser
Mutually it is stained with because of heated melt glutinous during processing, between the diaphragm of adjacent light guide plate, makes light guide plate after laser processing
A kind of the defects of product yield is relatively low, there is provided light guide plate for preventing laser processing from being stained with glutinous phenomenon.
The utility model is that solve above-mentioned technical problem by following technical proposals：
A kind of light guide plate for preventing laser processing from being stained with glutinous phenomenon, it includes：
One predetermined machined surface, there are some lens arrays that laser shapes；
Two surfaces, in be oppositely arranged and respectively with the predetermined machined surface perpendicular abutment；
Two diaphragms, cover respectively in two surface；And
One spacer medium, the neighbouring predetermined machined surface are simultaneously located at any diaphragm.
Light guide plate of the present utility model, when carrying out laser scorification formation lens array to the predetermined machined surface, diaphragm
It will not cause to melt and occur being stained with glutinous phenomenon because of heated, it is ensured that the output yield of light guide plate.
It is preferred that the spacer medium is ink.
Spacer medium is that ink can prevent to cause light guide plate to occur sliding phenomenon when stacking, and is easier to set.
It is preferred that arbitrarily the diaphragm surface provided with the spacer medium is mat surface.
Rough surface is set to make spacer medium is less susceptible to come off.
It is preferred that the mat surface of the diaphragm is formed by sided corona treatment.
Diaphragm is set to form preferably modification effect, and maintain the mechanical performance of diaphragm in itself by sided corona treatment.
It is preferred that the spacer medium is UV glue.
Spacer medium is that UV glue can produce preferably isolation effect on diaphragm.
Positive effect of the present utility model is：
(1) light guide plate of the present utility model for preventing laser processing from being stained with glutinous phenomenon, is effectively prevented using laser needles for acupuncture
When being processed to predetermined machined surface scorification, protect the diaphragm of light guide plate surface to produce hot melt and be stained with glutinous phenomenon, effectively lifted
Light guide plate product yield after laser processing；
(2) also, the selection of spacer medium need to consider factors, including be arranged on diaphragm difficulty, leaded light
Whether can produce dangerous and whether can influence processing technology etc. when contraposition precision when sheetpile is folded, laser scorification,
It is the preferred version it is further proposed that from ink or UV glue in the utility model, so that overall manufacturing process is more quick, peace
Entirely with really；
(3) and it is the lifting spacer medium adhesive strength intermembranous with protection, and can be further directed to spacer medium to be set
Diaphragm carry out roughening processing, so as to the qualitative change of diaphragm surface and then allow spacer medium to be more easy to be arranged on diaphragm, and
Actually reach barriering effect.
Brief description of the drawings
Fig. 1 is the process steps figure of the utility model embodiment 1.
Fig. 2A is the machining sketch chart (one) of the utility model embodiment 1.
Fig. 2 B are the machining sketch chart (two) of the utility model embodiment 1.
Fig. 3 is the process steps figure of the utility model embodiment 2.
Fig. 4 is the light guide plate schematic diagram of an embodiment of the utility model embodiment 2.
Fig. 5 is the light guide plate schematic diagram of another embodiment of the utility model embodiment 2.
Description of reference numerals：
1：Light guide plate
1’：Light guide plate
10：Predetermined machined surface
101：Lens array
11：Surface
12：Diaphragm
13：Spacer medium
S01~S03 steps
Embodiment
Below for two example two, become apparent from intactly illustrating the utility model and with reference to accompanying drawing.
Lens array, derivative problem and missing are processed into for the laser scorification that the present inventor is previously proposed, this
Inventor is further contemplated that how effectively to avoid diaphragm is heated from being stained with glutinous situation then, and the guide-lighting panel products after being processed with lifting are good
Rate.
Embodiment 1
As shown in Figure 1, Figure 2 shown in A and Fig. 2 B, it shows for the process steps figure of the utility model embodiment 1 and each processing
It is intended to.The utility model offer is a kind of to prevent laser processing to be stained with the light guide plate of glutinous phenomenon, and introduces its processing method, and it is used for
Implement on some light guide plates 1, two surfaces 11 that each light guide plate 1 is oppositely arranged are covered with a diaphragm 12 respectively, and respectively lead
Tabula rasa 1 has a predetermined machined surface 10, and it is respectively perpendicular adjoining with above-mentioned two surface 11.Above-mentioned processing method includes following institute
State step.
First, a spacer medium 13 is set at any diaphragm 12 of each light guide plate 1, and spacer medium 13 is adjacent to
Predetermined machined surface 10 is set (step S01).Then, those light guide plates 1 are stacked, make to be provided between adjacent wantonly two diaphragm 12 every
It is to adjoin each other (step S02) from medium 13, and between each predetermined machined surface 10.Thus, those predetermined processing are subsequently being directed to
When face 10 carries out laser processing, you can form interval by the adjacent any two diaphragm 12 of spacer medium 13, avoid
When by laser scorification, close to diaphragm 12 be mutually stained with because of melted by heat glutinous, cause subsequent product yield to decline.Isolation
Medium 13 reaches barriering effect for making light guide plate 1 form headspace when laser is processed to adjacent each diaphragm 12,
When selecting material it is also contemplated that a variety of factors such as high temperature influence, material characteristic or security of laser processing.Preferably, isolate
Ink is can be selected in medium 13, and quick apply is set on diaphragm 12 in a manner of printing；Spacer medium 13 can also use UV glue,
Set in a manner of smearing on diaphragm 12.In the present embodiment, illustrated so that spacer medium 13 is ink as an example, oil
The optional Videojet (TM) of ink V705-D models or V410-D models etc., except can reach preferable isolation effect, also can
Meet hazardous substances limitation instruction (Restriction of Hazardous Substances Directive 2002/95/
EC, RoHS) specification, avoid set ink or its it is heated after produce poisonous volatile substance and damage.And UV glue is due to it
Essence falls within plastics, therefore preferably isolation effect can be formed when laser is processed.
As shown in Figure 2 A, after two surfaces 11 of each light guide plate 1 cover diaphragm 12, you can be arranged at spacer medium 13
On any diaphragm 12, so that spacer medium 13 is ink as an example.In spacer medium 13 after setting completed, can be by each phase of light guide plate 1
Mutually stack in favor of carrying out follow-up laser processing, need to make spacer medium 13 be located at adjacent any two diaphragm when stacking
Between 12, when then bombarding processing for predetermined machined surface 10 with laser, you can effectively prevent at predetermined machined surface 10, it is adjacent
The melted by heat of diaphragm 12 and be mutually stained with it is glutinous, as shown in Figure 2 B.Wherein, schema paint be only used for it is schematically illustrate, be more conducive to
Understand the technical characteristic described in present embodiment, its thickness and size etc. are non-to represent time of day, actually adjacent diaphragm
12 only can should mutually be separated at neighbouring predetermined machined surface 10 by very thin spacer medium 13.Predetermined processing is processed in laser
Behind face 10, depending on the material of spacer medium 13, spacer medium 13 may vaporize disappearance because heated, it is also possible to residue in guarantor
On cuticula 12.
Embodiment 2
As shown in figure 3, it is the process steps figure of the utility model embodiment 2, and in the present embodiment, its processing side
The step of method, is substantially same as Example 1, and its difference is, before the processing method is additionally included in setting spacer medium 13,
Following steps are performed, surface roughening processing (step S03) is carried out for the surface of any diaphragm 12 of each light guide plate 1.To enter
One step lifts surface-clinging ability and firmness between diaphragm 12 and spacer medium 13 etc., therefore is disclosed in setting spacer medium
Before 13, diaphragm 12 is first carried out to the reforming step of surface roughening, to change the surface tension of diaphragm 12, it may also be said to be
The interface activity of diaphragm 12 is lifted, it is more easily combined with other materials, the attachment for strengthening spacer medium 13 is strong
Degree.Especially when spacer medium 13 is ink and colloid, roughening processing can be substantially improved diaphragm 12 for printing-ink and
The tack strength of colloid.
Preferably, become for the manufacturing process efficiency and consideration of lifting roughening processing because controlling difficulty, diaphragm 12
Surface roughening processing can use sided corona treatment or attrition process.Sided corona treatment is using high-voltage high-frequency rate mode, is being protected
The surface-discharge of film 12 make its produce radical reaction and produce crosslinking, the surface of diaphragm 12 be can be roughened, with lifted its with every
From the bond strength of medium 13.Using sided corona treatment except that can allow diaphragm 12 that there is preferably modification effect, while also may be used
The mechanical performance of diaphragm 12 is maintained, has more splendid treatment effect in particular for plastic material.Attrition process is also one
Kind can make the scheme of the surface roughening of diaphragm 12, the surface of diaphragm 12 is more easy to and the strong bonded of spacer medium 13.
As shown in figure 4, it is the light guide plate schematic diagram of the utility model embodiment 2.Via the processing described in the present embodiment
Method handled after light guide plate, after laser scorification processing, that is, form that as described below to prevent laser processing from being stained with glutinous existing
The light guide plate 1 ' of elephant.Light guide plate 1 ' includes a predetermined machined surface 10, two surfaces 11, two diaphragms 12 and a spacer medium 13.In advance
Determine machined surface 10 and form some lens arrays 101 because laser is processed, two above-mentioned surfaces 11 are oppositely arranged and respectively with making a reservation for
The perpendicular abutment of machined surface 10, wherein, for light guide plate 1 ' in subsequent applications, any surface 11 can be as the main exiting surface of light.
Diaphragm 12 is then covered in two above-mentioned surfaces 11 respectively, is destroyed with avoiding surface 11 from being scraped damage, influences overall light guide plate 1 '
Efficiency is presented in optics when yield and subsequent applications, and spacer medium 13 is adjacent to predetermined machined surface 10 and is located at any diaphragm 12
On.When light guide plate 1 ' is intended to assemble or in use, light source can be incorporated into and such as backlight is made by only needing to pull down diaphragm 12
The optical module of module etc, and further applied.And above-mentioned light source can be in the predetermined processing with lens array 101
It is correspondingly arranged at face 10, and then the hot spot phenomenon of common brightness unevenness is effectively eliminated by lens array 101, but this
Only one preferably describes using example, and is routine techniques, therefore is not repeated here.
Similarly, consider that ink or UV glue can be selected in spacer medium 13 based on various factors, except preferable barrier can be obtained
Efficiency, it is also possible to prevent dangerous situation caused by such as volatilizing noxious material.In the present embodiment, it is oil with spacer medium 13
Exemplified by ink, after laser is processed, the spacer medium of the heated vaporization in part, it can be deposited on diaphragm 12, when needing to use
As long as diaphragm 12 is removed during light guide plate 1.The pattern and diaphragm 12 of spacer medium 13 wherein shown in Fig. 4 are neighbouring
The heated shape style dissolved in the predetermined region of machined surface 10, simply preferable schematic diagram, not represent actual product state.
As shown in figure 5, its schematic diagram for another embodiment of the light guide plate of the utility model embodiment 2.This implementation
It is so that spacer medium 13 is UV glue as an example, and to be provided with the diaphragm 12 of spacer medium 13 coarse for one for light guide plate 1 ' in mode
Surface.In order to lift the adhesive strength of spacer medium 13 and diaphragm 12, being provided with the diaphragm 12 of spacer medium 13 can first pass through
Roughening processing is crossed, changes its surface state and lifts the joint capacity with other materials, therefore when by laser processing output
Tool lens array 101 light guide plate 1 ', roughened state can be presented in the surface of diaphragm 12 above it.Wherein, roughening is handled
The whole surface that diaphragm 12 can be directed to performs, or only for needing to set spacer medium 13 on neighbouring predetermined machined surface 10
Region is handled.Preferably, in present embodiment, the mat surface of diaphragm 12 can pass through sided corona treatment or attrition process shape
Into.Foregoing teachings are referred to from the related content of sided corona treatment and attrition process, therefore are no longer repeated.
In summary, what the utility model disclosed prevents laser processing from being stained with the light guide plate of glutinous phenomenon, effectively prevents to make
When being processed with laser needles for acupuncture to predetermined machined surface scorification, the diaphragm of light guide plate surface is protected too close to generation is heated and is stained with
Glutinous phenomenon, effectively lift the light guide plate product yield after laser processing.Also, the selection of spacer medium need to consider it is many because
Element, including be arranged at the difficulty of diaphragm, light guide plate stack when contraposition precision, laser scorification when whether can produce danger
Property or whether can influence processing technology etc., i.e. it is further proposed that preferable side from ink or UV glue in the utility model
Case, so that overall manufacturing process is more quick, safe and certain.It is and strong for the attachment intermembranous with protection of lifting spacer medium
Degree, and can carry out roughening processing further directed to the diaphragm of spacer medium to be set so that the qualitative change of diaphragm surface and then
Allow spacer medium to be more easy to be arranged on diaphragm, and actually reach barriering effect.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
On the premise of without departing substantially from principle of the present utility model and essence, various changes or modifications can be made to these embodiments,
But these changes and modification each fall within the scope of protection of the utility model.
Claims (5)
1. a kind of light guide plate for preventing laser processing from being stained with glutinous phenomenon, it is characterised in that it includes：
One predetermined machined surface, there are some lens arrays that laser shapes；
Two surfaces, in be oppositely arranged and respectively with the predetermined machined surface perpendicular abutment；
Two diaphragms, cover respectively in two surface；And
One spacer medium, the neighbouring predetermined machined surface are simultaneously located at any diaphragm.
2. laser processing can be prevented to be stained with the light guide plate of glutinous phenomenon as claimed in claim 1, it is characterised in that the spacer medium is
Ink.
3. laser processing can be prevented to be stained with the light guide plate of glutinous phenomenon as claimed in claim 1, it is characterised in that to be situated between provided with the isolation
The surface of any diaphragm of matter is mat surface.
4. laser processing can be prevented to be stained with the light guide plate of glutinous phenomenon as claimed in claim 3, it is characterised in that the diaphragm it is thick
Matte is formed by sided corona treatment.
5. laser processing can be prevented to be stained with the light guide plate of glutinous phenomenon as claimed in claim 1, it is characterised in that the spacer medium is
UV glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721024770.5U CN207051523U (en) | 2017-08-15 | 2017-08-15 | Laser processing can be prevented to be stained with the light guide plate of glutinous phenomenon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721024770.5U CN207051523U (en) | 2017-08-15 | 2017-08-15 | Laser processing can be prevented to be stained with the light guide plate of glutinous phenomenon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207051523U true CN207051523U (en) | 2018-02-27 |
Family
ID=61502982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721024770.5U Expired - Fee Related CN207051523U (en) | 2017-08-15 | 2017-08-15 | Laser processing can be prevented to be stained with the light guide plate of glutinous phenomenon |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207051523U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300729A (en) * | 2017-08-28 | 2017-10-27 | 宁波维真显示科技股份有限公司 | High-cleanness, high optical thin film guard method |
| CN113064230A (en) * | 2021-04-01 | 2021-07-02 | 苏州茂立光电科技有限公司 | Roll-to-roll automatic film-attached light guide plate stack polishing and milling mechanism |
-
2017
- 2017-08-15 CN CN201721024770.5U patent/CN207051523U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107300729A (en) * | 2017-08-28 | 2017-10-27 | 宁波维真显示科技股份有限公司 | High-cleanness, high optical thin film guard method |
| CN113064230A (en) * | 2021-04-01 | 2021-07-02 | 苏州茂立光电科技有限公司 | Roll-to-roll automatic film-attached light guide plate stack polishing and milling mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180913 Address after: 215151 No. 468 Songshan Road, Suzhou New District, Suzhou, Jiangsu. Patentee after: Suzhou Maoli Optoelectronics Technology Co.,Ltd. Address before: 215151 No. 470 Songshan Road, Suzhou New District, Suzhou, Jiangsu. Patentee before: SUZHOU XIANGLONG PLASTIC Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20210815 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |