CN205241595U

CN205241595U - Ultra -thin OCA optics glued membrane

Info

Publication number: CN205241595U
Application number: CN201520957528.8U
Authority: CN
Inventors: 朱文峰
Original assignee: Dongguan Nali Optical Material Co Ltd
Current assignee: Dongguan Nali Optical Material Co Ltd
Priority date: 2015-11-26
Filing date: 2015-11-26
Publication date: 2016-05-18
Anticipated expiration: 2025-11-26

Abstract

The utility model relates to an optical protection layer technical field, concretely relates to ultra -thin OCA optics glued membrane, include that upper surface, the lower surface on silica gel layer are laminated with the upper surface of the light lower surface from the type membrane, high mucigel respectively from type membrane, silica gel layer, high mucigel with heavily from the type membrane from last down set gradually light, the lower surface of high mucigel and the upper surface that heavily leaves the type membrane are laminated, and the upper surface of high mucigel is provided with the concave -convex structure layer. The utility model discloses an upper surface at high mucigel sets up the concave -convex structure layer for high mucigel strengthens with the tackness on silica gel layer greatly, thereby has reduced the thickness on silica gel layer, and at the laminating in -process with the silica gel layer, the thickness on the concave -convex structure layer of high mucigel upper surface also can correspondingly reduce owing to receiving the extrusion, has reduced the thickness of OCA optics glued membrane, has increased the luminousness of OCA optics glued membrane.

Description

A kind of ultra-thin OCA optical adhesive film

Technical field

The utility model relates to optical protection layer technical field, is specifically related to a kind of ultra-thin OCA optical adhesive film.

Background technology

The safety glass diaphragm case hardness providing is in the market higher, has outstanding anti-scratch ability, and laminating is easy and closely, have higher tough and tensile degree, and the shockproof anti-ability of falling is strong.

But the thickness of safety glass film is generally larger at present, after fitting with mobile phone, panel computer or other electronic products surface, affect use feel and outward appearance, cause its experience not good, be difficult to meet user's demand.

Summary of the invention

In order to overcome the shortcoming and defect existing in prior art, the purpose of this utility model is to provide a kind of ultra-thin OCA optical adhesive film.

The purpose of this utility model is achieved through the following technical solutions: a kind of ultra-thin OCA optical adhesive film, comprise the light mould release membrance, silica gel layer, high mucigel and the heavy mould release membrance that set gradually from top to bottom, upper surface, the lower surface of silica gel layer are fitted with the upper surface of the lower surface of light mould release membrance, high mucigel respectively, the lower surface of high mucigel is fitted with the upper surface of heavy mould release membrance, and the upper surface of high mucigel is provided with concaveconvex structure layer.

Further, described light mould release membrance, heavy mould release membrance are any one in PET mould release membrance, PE mould release membrance, OPP mould release membrance, BOPET mould release membrance and BOPP mould release membrance.

Further, described light mould release membrance is the light mould release membrance of peeling force at 1-10g.

Further, described heavy mould release membrance is the heavy mould release membrance of peeling force in the surface of 8-25g process sided corona treatment.

Further, described silica gel layer is organosilicon glue-line.

Further, described concaveconvex structure layer is connected and composed successively by some strip monomers, and the cross section of strip monomer is square, semicircle, waveform or triangle.

Further, the thickness of described light mould release membrance, heavy mould release membrance is 23-100 μ m.

Further, the thickness of described silica gel layer is 10-30 μ m.

Further, the thickness of described high mucigel is 20-50 μ m.

Further, the thickness of described concaveconvex structure layer is the 5%-35% of described high mucigel thickness.

The beneficial effects of the utility model are: the utility model, by concaveconvex structure layer being set at the upper surface of high mucigel, strengthens the tackness of high mucigel and silica gel layer greatly, thereby have reduced the thickness of silica gel layer; And with the laminating process of silica gel layer in, the thickness of the concaveconvex structure layer of high mucigel upper surface also can correspondingly reduce owing to being squeezed, and has reduced the thickness of OCA optical adhesive film, has increased the light transmittance of OCA optical adhesive film.

Brief description of the drawings

Fig. 1 is partial sectional view of the present utility model.

Reference numeral is: 1-light mould release membrance, 2-silica gel layer, 3-high mucigel, 31-concaveconvex structure layer, 4-weight mould release membrance.

Detailed description of the invention

For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing 1, the utility model is further described, the content that embodiment is mentioned is not to restriction of the present utility model.

See Fig. 1, a kind of ultra-thin OCA optical adhesive film, comprise the light mould release membrance 1, silica gel layer 2, high mucigel 3 and the heavy mould release membrance 4 that set gradually from top to bottom, upper surface, the lower surface of silica gel layer 2 are fitted with the lower surface of light mould release membrance 1, the upper surface of high mucigel 3 respectively, the upper surface laminating of the lower surface of high mucigel 3 and heavy mould release membrance 4, the upper surface of high mucigel 3 is provided with concaveconvex structure layer 31.

The utility model, by concaveconvex structure layer 31 being set at the upper surface of high mucigel 3, strengthens high mucigel 3 and the tackness of silica gel layer 2 greatly, thereby has reduced the thickness of silica gel layer 2; And with the laminating process of silica gel layer 2 in, the thickness of the concaveconvex structure layer 31 of high mucigel upper surface also can correspondingly reduce owing to being squeezed, and has reduced the thickness of OCA optical adhesive film, has increased the light transmittance of OCA optical adhesive film.

In the present embodiment, described light mould release membrance 1, heavy mould release membrance 4 are any one in PET mould release membrance, PE mould release membrance, OPP mould release membrance, BOPET mould release membrance and BOPP mould release membrance. Light mould release membrance 1 of the present utility model, heavy mould release membrance 4 are by adopting above-mentioned mould release membrance, release effective.

In the present embodiment, described light mould release membrance 1 is the light mould release membrance 1 of peeling force at 1-10g. The utility model is by adopting peeling force at the light mould release membrance 1 of 1-10g, and outermost layer can delamination, can protect better optical adhesive film of the present utility model. Preferably, described light mould release membrance 1 is the light mould release membrance 1 of peeling force at 5g.

In the present embodiment, described heavy mould release membrance 4 is the heavy mould release membrance 4 of peeling force in the surface of 8-25g process sided corona treatment. The utility model by adopt peeling force on the surface of 8-25g the heavy mould release membrance 4 through sided corona treatment, outermost layer can delamination, can protect better optical adhesive film of the present utility model. Its principle of sided corona treatment is to utilize high-frequency high voltage (high-frequency ac voltage is up to 5000-15000V/m at processed frosting corona discharge²), and generation low temperature plasma, make frosting produce radical reaction and make polymer occur to be cross-linked. surperficial roughening also increases its wetability-these gas ions to polar solvent by shocking by electricity and penetrating into its molecular structure of surface breakdown that is printed body, and then by processed surface molecular oxidation and polarization, ion electric shock erosion surface, so that increase the adhesive ability on stock surface. Sided corona treatment rearranges stock surface molecule structure, produces more polar fraction, is conducive to adhere to foreign object. Preferably, described heavy mould release membrance 4 is the heavy mould release membrance 4 of peeling force in the surface of 20g process sided corona treatment.

In the present embodiment, described silica gel layer 2 is organosilicon glue-line 2. The utility model is by adopting organosilicon glue-line 2, and bonding force is good.

In the present embodiment, described concaveconvex structure layer 31 is connected and composed successively by some strip monomers, and the cross section of strip monomer is square, semicircle, waveform or triangle. The utility model, by adopting said structure, greatly strengthens the tackness of high mucigel and silica gel layer, thereby has reduced the thickness of silica gel layer.

In the present embodiment, the thickness of described light mould release membrance 1, heavy mould release membrance 4 is 23-100 μ m. Preferably, the thickness of described light mould release membrance 1 can be 23 μ m, 35 μ m, 50 μ m, 75 μ m or 100 μ m; The thickness of described heavy mould release membrance 4 can be 23 μ m, 35 μ m, 50 μ m, 75 μ m or 100 μ m. More preferred, the thickness of described light mould release membrance 1, heavy mould release membrance 4 is 50 μ m.

In the present embodiment, the thickness of described silica gel layer 2 is 10-30 μ m. Preferably, the thickness of described silica gel layer 2 can be 10 μ m, 15 μ m, 20 μ m, 25 μ m or 30 μ m. More preferred, the thickness of described silica gel layer 2 is 20 μ m.

In the present embodiment, the thickness of described high mucigel 3 is 20-50 μ m. Preferably, the thickness of described high mucigel 3 is 20 μ m, 30 μ m, 35 μ m, 40 μ m or 50 μ m. More preferred, the thickness of described high mucigel 3 is 30 μ m.

In the present embodiment, the thickness of described concaveconvex structure layer 31 is the 5%-35% of described high mucigel 3 thickness. Preferably, the thickness of described concaveconvex structure layer 31 is 5%, 10%, 15%, 20%, 25%, 30% or 35% of described high mucigel 3 thickness. More preferred, the thickness of described concaveconvex structure layer 31 is 20% of described high mucigel 3 thickness.

Above-described embodiment is preferably implementation of the utility model, and in addition, the utility model can also be realized by alternate manner, and any apparent replacement is all within protection domain of the present utility model without departing from the concept of the premise utility.

Claims

1. a ultra-thin OCA optical adhesive film, it is characterized in that: comprise the light mould release membrance, silica gel layer, high mucigel and the heavy mould release membrance that set gradually from top to bottom, upper surface, the lower surface of silica gel layer are fitted with the upper surface of the lower surface of light mould release membrance, high mucigel respectively, the lower surface of high mucigel is fitted with the upper surface of heavy mould release membrance, and the upper surface of high mucigel is provided with concaveconvex structure layer.

2. the ultra-thin OCA optical adhesive film of one according to claim 1, is characterized in that: described light mould release membrance, heavy mould release membrance are any one in PET mould release membrance, PE mould release membrance, OPP mould release membrance, BOPET mould release membrance and BOPP mould release membrance.

3. the ultra-thin OCA optical adhesive film of one according to claim 1, is characterized in that: described light mould release membrance is the light mould release membrance of peeling force at 1-10g.

4. the ultra-thin OCA optical adhesive film of one according to claim 1, is characterized in that: described heavy mould release membrance is the heavy mould release membrance of peeling force in the surface of 8-25g process sided corona treatment.

5. the ultra-thin OCA optical adhesive film of one according to claim 1, is characterized in that: described silica gel layer is organosilicon glue-line.

6. the ultra-thin OCA optical adhesive film of one according to claim 1, is characterized in that: described concaveconvex structure layer is connected and composed successively by some strip monomers, and the cross section of strip monomer is square, semicircle, waveform or triangle.

7. the ultra-thin OCA optical adhesive film of one according to claim 1, is characterized in that: the thickness of described light mould release membrance, heavy mould release membrance is 23-100 μ m.

8. the ultra-thin OCA optical adhesive film of one according to claim 1, is characterized in that: the thickness of described silica gel layer is 10-30 μ m.

9. the ultra-thin OCA optical adhesive film of one according to claim 1, is characterized in that: the thickness of described high mucigel is 20-50 μ m.

10. the ultra-thin OCA optical adhesive film of one according to claim 1, is characterized in that: the thickness of described concaveconvex structure layer is the 5%-35% of described high mucigel thickness.