CN205910464U - Improvement type optical function board of backlight unit structure - Google Patents
Improvement type optical function board of backlight unit structure Download PDFInfo
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- CN205910464U CN205910464U CN201620695812.7U CN201620695812U CN205910464U CN 205910464 U CN205910464 U CN 205910464U CN 201620695812 U CN201620695812 U CN 201620695812U CN 205910464 U CN205910464 U CN 205910464U
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Abstract
The utility model discloses an improvement type optical function board of backlight unit structure, include: diffusion base plate and boning in the blooming of diffusion on the base plate, the diffusion base plate include: first substrate layer, the 2nd based bulk layer and third substrate layer, the 2nd based bulk layer press from both sides to be located between first substrate layer and the third substrate layer, and the 2nd based bulk layer thickness is greater than first substrate layer and third substrate layer, is provided with non -smooth structure in the upper surface of first substrate layer and the lower surface of third substrate layer, the blooming pass through the upper surface of UV glue bond in first substrate layer. The utility model discloses an optical function board adopts three layer construction to constitute, and the production controllability promotes, does not rely on prescription or the absolute influence of additive to the luminousness / mist degree of diffuser plate, first, third substrate layer uses the material that glue bond nature is good, the luminousness is high more to do benefit to later stage secondary operation, first, third substrate layer characteristic is adjustable, reduces the optical loss after the laminating to reach more excellent defilade property and luminance.
Description
Technical field:
This utility model is related to modified form back light module unit structure technical field, refers in particular to a kind of modified form of back light module unit structure
Optical function plate.
Background technology:
Have in direct-type backlight, the optical material on light source is usually diffuser plate, blooming (diffusion sheet, brightness enhancement film etc.),
On blooming usually pet base material, coating or upper resin do micro structure, propagate a class optical medium material of light beam by interface,
Blooming application starts from the thirties in 20th century, modern, and optical function plate is widely used in optics and photoelectron technical field, manufactures
Various optical instruments.Diffuser plate belongs to one of optical function plate, and the maximum feature of diffuser plate is that light is caused with very big doing
Relate to, no matter the distribution curve flux of original design is how many spending, as long as light is through diffuser plate, and it can make beam angle be changed into 160～176 °,
So from the side, the plate face of light fixture has a layer sensation for mist mist, may certify that beam angle is best to 160～176 ° greatly from this point
Prove, the bigger illumination of beam angle is lower, and some also can produce optical filtering, so that the wavelength of part cannot be penetrated, cause colour cast, such as exist
Surface carries out the interference of light again and processes (for example: frosted, signature stricture of vagina), and light transmittance is even more low because of the natural phenomena of geometric optics, so
The base material being used for making diffuser plate should be more low better from refractive index, will be lower to interference of light.As shown in Figure 1, conventional
Back light module unit structure is by diffuser plate 1a and blooming 2a composition, and the quantity of blooming 2a is decided according to the actual requirements, group
Need during dress to be cleaned dedusting to each material, then stack, optical material quantity number directly affect production efficiency, with
When optical material operation defect ratio increased with quantity.
In order to overcome this problem, I proposes following patent application.
Utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of modified form light of back light module unit structure
Learn feature board.
In order to solve above-mentioned technical problem, this utility model employs following technical proposals: modified form back light module unit structure,
Including: diffusion substrate and be bonded in blooming on diffusion substrate, described diffusion substrate includes: the first base material layer, second
Body layer and the 3rd substrate layer, the second body layer is located between the first base material layer and the 3rd substrate layer, the first base material layer,
Two body layers and the 3rd substrate layer pass through to be made by co-extrusion in equipment mould, and the second body layer thickness is more than the first base material layer and the 3rd base
Material layer, is provided with non-smooth structure in the upper surface of the first base material layer and the lower surface of the 3rd substrate layer；Described blooming leads to
Cross the upper surface that uv glue is bonded in the first base material layer.
Furthermore, in technique scheme, described the first base material layer and the 3rd substrate layer are identical.
Furthermore, in technique scheme, described the first base material layer and the 3rd substrate layer be by glue caking property good,
The thin layer that the high plastic material of light transmittance is made.
Furthermore, in technique scheme, the thickness of described the first base material layer and the 3rd substrate layer is less than 100
μm.
Furthermore, in technique scheme, described the first base material layer is by glue caking property is good, high the moulding of light transmittance
The thin layer that material material is made, the 3rd substrate layer is the thin layer being made up of the modified plastics material of low melting point.
Furthermore, in technique scheme, the thickness of described the first base material layer and the 3rd substrate layer is less than 100
μm.
Furthermore, in technique scheme, the second described body layer is made up of water white transparency plastic cement material
Thin layer, the thickness of the second body layer is more than 0.3mm.
Furthermore, in technique scheme, described non-smooth structure is to be uniformly arranged on the first base material layer upper table
Face and the 3rd substrate layer lower surface, cross section are in continuous laciniation.
Furthermore, in technique scheme, described blooming is diffusion barrier, brightness enhancement film, composite membrane or optics
One or more of film laminating product.
Furthermore, in technique scheme, described uv glue is water white transparency glue-line.
After technique scheme, this utility model has the advantages that compared with prior art
1st, optical function plate of the present utility model adopt three-decker constitute, produce controllability lifting, be independent of formula or
The absolute effect of light transmittance/mist degree to diffuser plate for the additive；
2nd, the thickness of the three-decker of diffusion substrate and formula or additive can be adjusted flexibly, and hide the flaw with brightness requirement more
Well meet simultaneously；
3rd, the first, the 3rd substrate layer selects the preferable material of hardness, and the thickness of feature board can suitably reduce, to a certain extent
Cost-effective, the first, the 3rd substrate layer uses the material that glue caking property is good, light transmittance is high to be more conducive to later-stage secondary processing；And the
First, the 3rd substrate layer characteristic is adjustable, reduces the light loss after laminating, to reach more excellent shielding and brightness；
When the 4th, using in a backlight, thickness suitably reduces, and the screening flaw is all more preferable with brightness to a certain extent, can reduce part
The use of blooming, or do not use blooming.
Brief description:
Fig. 1 is the structural representation of traditional optical module；
Fig. 2 is the structural representation of this utility model embodiment one；
Fig. 3 is the structural representation of this utility model embodiment three；
Fig. 4 is the structural representation of this utility model example IV.
Specific embodiment:
With reference to specific embodiments and the drawings, this utility model is further illustrated.
Embodiment one:
As shown in Figure 2, the modified form optical function plate of this back light module unit structure, comprising: diffusion substrate and be bonded in expansion
Blooming 4 on scattered substrate, diffusion substrate includes: the first base material layer 1, the second body layer 2 and the 3rd substrate layer 3, and second is main
Body layer 2 is located between the first base material layer 1 and the 3rd substrate layer 3, the first base material layer 1, the second body layer 2 and the 3rd substrate layer 3
It is made by co-extrusion to by equipment mould, the second body layer 2 thickness is more than the first base material layer 1 and the 3rd substrate layer 3, in the first base material layer
The lower surface of 1 upper surface and the 3rd substrate layer 3 is provided with non-smooth structure 11,31；Described blooming 4 passes through uv glue 5 and glues
Tie in the upper surface of the first base material layer 1.
The first base material layer 1, the second body layer 2 and the 3rd substrate layer 3 pass through the extruder duty simultaneously of more than 3
Become.The first base material layer 1 and the 3rd substrate layer 3 are unlike material, and the first base material layer 1 is by glue caking property is good, high the moulding of light transmittance
The thin film that material material is made, making thickness is less than 100 μm.Here the plastic material that glue caking property is good, light transmittance is high is permissible
For being pmma (polymethyl methacrylate), ps (polystyrene), pc (Merlon), pp (polypropylene) or its corresponding being total to
Any one of polymers, the first base material layer 1 made has good light transmittance.
The Base Material of the 3rd substrate layer 3 is pmma, and the modification of the relatively low fusing point such as ps, pc, pp and its copolymer is moulded
Material material, modified plastics particle typically pass through physics or chemical means by diffusant/particle, ultraviolet absorber/particle, brighten
One or more combinations of the formula such as agent, anti-yellowing agent or functional additive, by pmma, in ps, pc, pp, any one melts
Melt extrusion straticulation in rear mold, lifting mist degree or the screening flaw；The thickness of making of the 3rd substrate layer 3 is less than 100 μm.
Second body layer 2 thickness, typically in more than 0.3mm (millimeter), is usually used single water white transparency plastic cement material, such as
Ps, pp, pmma, pc and its copolymer etc., are not added with any formula or additive, with the maximum transmission rate that material can reach are
Excellent.
First, second, and third layer of Base Material is different, and thickness can be adjusted flexibly as needed；In the present embodiment, the
One substrate layer 1 is made it using ps material and is not contained additive, and thickness is 90 μm, and the second body layer 2 is made using pp material, thickness
For 0.4mm, the 3rd substrate layer 3 is made using pmma material and added additive, and thickness is 90 μm, made using above-mentioned material
The optical function plate becoming, can not reduce the screening flaw in the case of lifting light transmittance.
In addition, for the feature of further improving optical feature board, can be provided with the upper surface of the first base material layer 1
Non-smooth structure 11, the lower surface of the 3rd substrate layer 3 is provided with non-smooth structure 31.Described non-smooth structure 11 is uniformly to set
It is placed in the first base material layer 1 surface, cross section in continuous laciniation, non-smooth structure 31 is also continuous laciniation.
Non-smooth structure 11 can improving optical feature board front face brightness, simultaneously can adjust non-smooth structure 11 shape to be more suitable for two
Secondary processed, lifts caking property；Non-smooth structure 31 can reduce the light loss that the 3rd substrate layer 3 lower surface launching light causes
Lose.Finally, the upper surface in the first base material layer 1 by uv glue 5, blooming 4 is bonded on the first base material layer 1, and uv glue 5 is no
Color transparent colloid.
Maximum scattering/the index ellipsoid after sheet material of light concentrates in the 3rd substrate layer (thin layer), light scattering
Passage zone shortens, the effect of same diffusion particle, and the mixed light degree in short distance is higher, and hiding the flaw also just has lifting relatively,
Through the transmission of the second body layer water white transparency layer, reach the 3rd substrate layer, be added without the non-light on surface when formula or additive
Slipped Clove Hitch structure has certain spotlight effect, lifts front face brightness, can extensively apply in backlight and illuminating product.
Embodiment two:
The present embodiment is with the difference of embodiment one: the first base material layer 1 and the 3rd substrate layer 3 are identical, no matter its
Make material and thickness all same, the first base material layer 1 and the 3rd substrate layer 3 are made using ps material, and thickness is 80 μm, its
Structure can refer to Fig. 2.Its principle is consistent with embodiment one, and here is not repeating one by one.
Embodiment three:
As shown in Figure 3, the present embodiment and the difference of embodiment one are: the first base material layer 1 and the 3rd substrate layer 3 phase
With no matter it makes material and thickness all same, and the first base material layer 1 and the 3rd substrate layer 3 are made using ps material, and thickness is equal
For 80 μm, and the first base material layer 1 and the 3rd substrate layer 3 all add and have additive, as shown in Figure 3, its first base material being constituted
The first base material layer 1 in layer 1 and embodiment one has difference, and the screening of this feature board can be substantially improved when adding formula or additive
The flaw, its principle is consistent with embodiment one, and here is not repeating one by one.
Example IV:
As shown in Figure 4, the present embodiment and the difference of embodiment one are: bulge-structure 31 for cross section be semicircle or
Circular arc convex architecture, its principle is consistent with embodiment one, and here is not repeating one by one.
Certainly, the foregoing is only specific embodiment of the utility model, not to limit this utility model and to implement
Scope, equivalence changes or modification that construction, feature and principle described in all claims according to this utility model are done, all should wrap
Include in this utility model claim.
Claims (10)
1. back light module unit structure modified form optical function plate it is characterised in that: include: diffusion substrate and be bonded in diffusion base
Blooming (4) on plate, described diffusion substrate includes: the first base material layer (1), the second body layer (2) and the 3rd substrate layer
(3), the second body layer (2) is located between the first base material layer (1) and the 3rd substrate layer (3), the first base material layer (1), the second master
Body layer (2) and the 3rd substrate layer (3) pass through to be made by co-extrusion in equipment mould, and the second body layer (2) thickness is more than the first base material layer (1)
With the 3rd substrate layer (3), the upper surface of the first base material layer (1) and the lower surface of the 3rd substrate layer (3) are provided with Non-smooth surface knot
Structure (11,31)；Described blooming (4) is bonded in the upper surface of the first base material layer (1) by uv glue (5).
2. back light module unit structure according to claim 1 modified form optical function plate it is characterised in that: described first
Substrate layer (1) is identical with the 3rd substrate layer (3).
3. back light module unit structure according to claim 2 modified form optical function plate it is characterised in that: described first
Substrate layer (1) and the 3rd substrate layer (3) are by being made up of the plastic material that glue cementability is good, light transmittance is high.
4. back light module unit structure according to claim 2 modified form optical function plate it is characterised in that: described first
The thickness of substrate layer (1) and the 3rd substrate layer (3) is less than 100 μm.
5. back light module unit structure according to claim 1 modified form optical function plate it is characterised in that: described first
Substrate layer (1) is the thin layer being made up of the plastic material that glue cementability is good, light transmittance is high, and the 3rd substrate layer (3) is by low melting point
Modified plastics material make.
6. back light module unit structure according to claim 5 modified form optical function plate it is characterised in that: described first
The thickness of substrate layer (1) and the 3rd substrate layer (3) is less than 100 μm.
7. back light module unit structure according to claim 1 modified form optical function plate it is characterised in that: described second
Body layer (2) is the thin layer being made up of water white transparency plastic cement material, and the thickness of the second body layer (2) is more than 0.3mm.
8. back light module unit structure according to claim 1 modified form optical function plate it is characterised in that: described non-light
Slipped Clove Hitch structure (11) is to be uniformly arranged on the first base material layer (1) upper surface and the 3rd substrate layer (3) lower surface, cross section in continuous
Laciniation.
9. back light module unit structure according to claim 1 modified form optical function plate it is characterised in that: described optics
Film (4) is one or more of diffusion barrier, brightness enhancement film, composite membrane or blooming laminating product.
10. back light module unit structure according to claim 1 modified form optical function plate it is characterised in that: described uv
Glue is water white transparency glue-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695812.7U CN205910464U (en) | 2016-07-01 | 2016-07-01 | Improvement type optical function board of backlight unit structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695812.7U CN205910464U (en) | 2016-07-01 | 2016-07-01 | Improvement type optical function board of backlight unit structure |
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| CN205910464U true CN205910464U (en) | 2017-01-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219684A (en) * | 2017-07-26 | 2017-09-29 | 南通创亿达新材料股份有限公司 | A kind of quantum feature board and preparation method thereof |
| CN107966854A (en) * | 2017-11-23 | 2018-04-27 | 南通创亿达新材料股份有限公司 | The preparation method of quantum dot light emitting feature board in back light module unit structure |
-
2016
- 2016-07-01 CN CN201620695812.7U patent/CN205910464U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107219684A (en) * | 2017-07-26 | 2017-09-29 | 南通创亿达新材料股份有限公司 | A kind of quantum feature board and preparation method thereof |
| CN107966854A (en) * | 2017-11-23 | 2018-04-27 | 南通创亿达新材料股份有限公司 | The preparation method of quantum dot light emitting feature board in back light module unit structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Huang Min Inventor after: Huang Haitao Inventor before: Huang Min |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170411 Address after: 226400 Rudong Nantong Economic Development Zone, the Yellow River Road, north side of the New District of Jiangsu Patentee after: Nantong r.rich new materials Limited by Share Ltd Address before: 516000 Guangdong province Huizhou City Zhongkai high tech Zone Xi Keng Industrial Zone No. 113 building B Building 1 floor to 2 Patentee before: Huizhou chuangyida new materials Co. Ltd. |