CN209606647U - A kind of covering diffusion sheet - Google Patents
A kind of covering diffusion sheet Download PDFInfo
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- CN209606647U CN209606647U CN201920545698.3U CN201920545698U CN209606647U CN 209606647 U CN209606647 U CN 209606647U CN 201920545698 U CN201920545698 U CN 201920545698U CN 209606647 U CN209606647 U CN 209606647U
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- diffusion sheet
- covering
- membrane
- sheet
- gasket
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Abstract
The utility model belongs to optical technical field, specifically discloses a kind of covering diffusion sheet, and the diffusion sheet includes basal layer, structural membrane, moulding layer, lower diffusion barrier, the bright film layer of PET and the upper diffusion barrier of the rectangle set gradually from the bottom to top；Structural membrane is set as evenly spaced first prismatic protrusions membrane structure and the second prismatic protrusions membrane structure, the vertebral height of first prismatic protrusions membrane structure is greater than the vertebral height of the second prismatic protrusions membrane structure, it enables to plate body lightening, in favor of the lightweight and slimming development of product.
Description
Technical field
The utility model belongs to optical technical field, is related to a kind of covering diffusion sheet.
Background technique
Currently, needing to use covering diffusion sheet in the equipment such as TV, although existing covering diffusion sheet can play more
The effect of softening source light, but it has that light transmittance is lower more, the poor problem of covering, and its plate body is thick and heavy, it is unfavorable
In the lightweight and slimming development of product.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind be able to solve light transmittance compared with
It is low, the covering diffusion sheet of covering poor, and enable to plate body lightening, in favor of the lightweight and slimming of product
Development.
For this purpose, the utility model uses following technical scheme:
A kind of covering diffusion sheet, the diffusion sheet include the basal layer of the rectangle set gradually from the bottom to top, structural membrane, pressure
Glue-line, lower diffusion barrier, the bright film layer of PET and upper diffusion barrier；Structural membrane be set as evenly spaced first prismatic protrusions membrane structure and
Second prismatic protrusions membrane structure, the centrum that the vertebral height of the first prismatic protrusions membrane structure is greater than the second prismatic protrusions membrane structure are high
Degree.
The covering diffusion sheet of the utility model, by using the bright film layer of PET for the diffusant for increasing the prior art, under cooperation
Diffusion barrier and upper diffusion barrier improve covering performance, structural membrane be set as include vertebral height it is different evenly spaced first
Prismatic protrusions membrane structure and the second prismatic protrusions membrane structure, can be under the premise of keeping membrane body to go out optical property, so that plate body is light
Thinning, flexibility, in favor of the lightweight and slimming development of product.
In above scheme preferably, the first prismatic protrusions membrane structure and the second prismatic protrusions membrane structure are disposed as bottom
Face is plane, the four sides triangular pyramids that four sides are isosceles triangle.
Compared with prior art, the utility model has the following beneficial effects:
The covering diffusion sheet of the utility model, it is lower to be able to solve light transmittance, covering poor, and enables to plate
Body is lightening, in favor of the lightweight and slimming development of product.
Detailed description of the invention
Fig. 1 is the side structure schematic view of the covering diffusion sheet in specific embodiment of the utility model one.
Fig. 2 is the overlooking structure diagram of the covering diffusion sheet in specific embodiment of the utility model one.
Fig. 3 is the overlooking structure diagram of the covering diffusion sheet in specific embodiment of the utility model two.
Fig. 4 is Upper gasket, diffusion sheet and the lower gasket of the covering diffusion sheet in specific embodiment of the utility model three
Side structure schematic view.
Fig. 5 is the overlooking structure diagram of the covering diffusion sheet in specific embodiment of the utility model three.
Fig. 6 is the plan structure of the folding part of the wrapping item of the covering diffusion sheet in specific embodiment of the utility model three
Schematic diagram.
In figure, 1 is basal layer, and 2 be structural membrane, and 201 be the first prismatic protrusions membrane structure, and 202 be the second prismatic protrusions film
Structure, 3 be moulding layer, and 4 be lower diffusion barrier, and 5 be PET (Polyethylene terephthalate, the modeling of poly terephthalic acid class
Material) bright film layer, 6 be upper diffusion barrier, and 7 be lower gasket, and 701 be wrapping item, and 702 be folding part, and 8 be Upper gasket, and 801 be connection
Piece, 9 cover for corner, and 10 be liquid-crystalline glasses.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
A kind of covering diffusion sheet, referring to Fig. 1, the diffusion sheet include the rectangle set gradually from the bottom to top basal layer 1,
The bright film layer 5 of structural membrane 2, moulding layer 3, lower diffusion barrier 4, PET and upper diffusion barrier 6；Structural membrane 2 is set as evenly spaced first rib
Mirror protrusion membrane structure 201 and the second prismatic protrusions membrane structure 202, the vertebral height of the first prismatic protrusions membrane structure 201 are greater than the
The vertebral height of two prismatic protrusions membrane structures 202.
Referring to fig. 2, the covering diffusion sheet of the present embodiment, by using the bright film layer of PET for the diffusant for increasing the prior art
5, cooperate lower diffusion barrier 4 and upper diffusion barrier 6 to improve covering performance, structural membrane 2 is set as including different equal of vertebral height
The first prismatic protrusions membrane structure 201 and the second prismatic protrusions membrane structure 202 at even interval can keep membrane body to go out optical property
Under the premise of, so that plate body is lightening, flexibility, in favor of the lightweight and slimming development of product.Basal layer 1 can be poly- second
Alkene layer.
Further, it is also possible to be to be connected between structural membrane 2 and lower diffusion barrier 4 by moulding layer 3, basal layer 1 and structural membrane 2
Between, between lower diffusion barrier 4 and the bright film layer 5 of PET and pass through optical adhesive layer between the bright film layer 5 of PET and upper diffusion barrier 6 and connect.
Furthermore it is also possible to be, the first prismatic protrusions membrane structure 201 and the second prismatic protrusions membrane structure 202 are disposed as bottom
Face is plane, the four sides triangular pyramids that four sides are isosceles triangle.
Embodiment 2
A kind of covering diffusion sheet referring to Fig. 3, is provided under rectangle below basal layer 1 on the basis of embodiment 1
Gasket 7.It is protected with the bottom surface to diffusion sheet.
Can also further, the upper surface of upper diffusion barrier 6 is provided with the Upper gasket 8 of rectangle.With the top surface to diffusion sheet into
Row protection.
Can also further, referring to fig. 4, four angular positions of lower gasket 7, the diffusion sheet and Upper gasket 8 are distinguished
It is provided with the corner set 9 of rectangle triangle tubular.Lower gasket 7, the diffusion sheet and Upper gasket 8 to be carried out by corner set 9
Protection is fixed.
Wherein, lower gasket 7 and Upper gasket 8 can use the hard scraps of paper, corner set 9 or hard paper set to be dust-proof.
Embodiment 3
A kind of covering diffusion sheet, on the basis of embodiment 1 or embodiment 2, referring to Fig. 5, four side edges of lower gasket 7
It is provided with the wrapping item 701 extended outward, the end of wrapping item 701 is connect with Upper gasket 8.With by wrapping item 701 with
Upper gasket 8 connects to realize the packaging protecting to diffusion sheet.Wrapping up item 701 can be hard paper item.Lower gasket 7 and wrapping item
701 can be an integral structure or be connected by glue-line.
Can also further, the upper surface of Upper gasket 8 is provided with the connection sheet 801 of rectangle, connection sheet 801 and wrapping item
701 end connection.The packaging protecting to diffusion sheet is realized to connect by wrapping item 701 with connection sheet 801.Connection sheet
801 can be plastic sheet or the hard scraps of paper.Connection sheet 801 can be connect with Upper gasket 8 by glue-line.
Can also further, four angular positions of connection sheet 801 are connect with Upper gasket 8, and the end of wrapping item 701 is stretched
Enter into the gap between connection sheet 801 and Upper gasket 8.With facilitate by wrap up item 701 end extend into connection sheet 801 with it is upper
In gap between gasket 8, the packaging protecting to diffusion sheet is realized.
Referring to Fig. 6, the end for wrapping up item 701 is provided with folding part 702.The end that item 701 will be wrapped up is folded.With
Increase the thickness of wrapping 701 end of item by folding part 702, reinforces the binding effect of wrapping item 701.
In addition, upper diffusion barrier 6 is located at the downside of liquid-crystalline glasses 10 referring to Fig. 1.
The Applicant declares that the foregoing is merely specific embodiment of the present utility model, but the protection model of the utility model
It encloses and is not limited thereto, it should be clear to those skilled in the art, any to belong to those skilled in the art and exist
In the technical scope that the utility model discloses, any changes or substitutions that can be easily thought of, all falls within the protection scope of the utility model
Within the open scope.
Claims (10)
1. a kind of covering diffusion sheet, the diffusion sheet includes the basal layer (1) of the rectangle set gradually from the bottom to top, structural membrane
(2), moulding layer (3), lower diffusion barrier (4), the bright film layer of PET (5) and upper diffusion barrier (6)；It is characterized by: structural membrane (2) is arranged
For evenly spaced first prismatic protrusions membrane structure (201) and the second prismatic protrusions membrane structure (202), the first prismatic protrusions film knot
The vertebral height of structure (201) is greater than the vertebral height of the second prismatic protrusions membrane structure (202).
2. covering diffusion sheet as described in claim 1, it is characterised in that: pass through pressure between structural membrane (2) and lower diffusion barrier (4)
Glue-line (3) connection, between basal layer (1) and structural membrane (2), between lower diffusion barrier (4) and the bright film layer of PET (5) and PET is bright
It is connected between film layer (5) and upper diffusion barrier (6) by optical adhesive layer.
3. covering diffusion sheet as described in claim 1, it is characterised in that: the first prismatic protrusions membrane structure (201) and the second rib
It is plane, the four sides triangular pyramids that four sides are isosceles triangle that mirror protrusion membrane structure (202), which is disposed as bottom surface,.
4. covering diffusion sheet as described in claim 1, it is characterised in that: be provided with the underlay of rectangle below basal layer (1)
Piece (7).
5. covering diffusion sheet as claimed in claim 4, it is characterised in that: the upper surface of upper diffusion barrier (6) are provided with the upper of rectangle
Gasket (8).
6. covering diffusion sheet as claimed in claim 5, it is characterised in that: lower gasket (7), the diffusion sheet and Upper gasket (8)
Four angular positions be respectively arranged with rectangle triangle tubular corner set (9).
7. as claimed in claim 6 cover diffusion sheet, it is characterised in that: four side edges of lower gasket (7) be provided with to
The end of the wrapping item (701) that outside extends, wrapping item (701) is connect with Upper gasket (8).
8. covering diffusion sheet as claimed in claim 7, it is characterised in that: the upper surface of Upper gasket (8) is provided with the connection of rectangle
Piece (801), connection sheet (801) are connect with the end of wrapping item (701).
9. covering diffusion sheet as claimed in claim 8, it is characterised in that: four angular positions and upper pad of connection sheet (801)
Piece (8) connection, the end of wrapping item (701) are extend into the gap between connection sheet (801) and Upper gasket (8).
10. covering diffusion sheet as claimed in claim 9, it is characterised in that: the end of wrapping item (701) is provided with folding part
(702)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920545698.3U CN209606647U (en) | 2019-04-22 | 2019-04-22 | A kind of covering diffusion sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920545698.3U CN209606647U (en) | 2019-04-22 | 2019-04-22 | A kind of covering diffusion sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209606647U true CN209606647U (en) | 2019-11-08 |
Family
ID=68407601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920545698.3U Active CN209606647U (en) | 2019-04-22 | 2019-04-22 | A kind of covering diffusion sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209606647U (en) |
-
2019
- 2019-04-22 CN CN201920545698.3U patent/CN209606647U/en active Active
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