CN205450319U - High temperature resistant brightness enhancement film of high rigidity - Google Patents

High temperature resistant brightness enhancement film of high rigidity Download PDF

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Publication number
CN205450319U
CN205450319U CN201620141307.8U CN201620141307U CN205450319U CN 205450319 U CN205450319 U CN 205450319U CN 201620141307 U CN201620141307 U CN 201620141307U CN 205450319 U CN205450319 U CN 205450319U
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CN
China
Prior art keywords
layer
temperature resistant
brightness enhancement
enhancement film
high temperature
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Expired - Fee Related
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CN201620141307.8U
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Chinese (zh)
Inventor
朱文峰
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Dongguan Nali Optical Material Co Ltd
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Dongguan Nali Optical Material Co Ltd
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Priority to CN201620141307.8U priority Critical patent/CN205450319U/en
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Abstract

The utility model relates to a brightness enhancement film technical field, concretely relates to high temperature resistant brightness enhancement film of high rigidity, including the high rigidity substrate layer, locate high rigidity substrate layer upper surface high temperature resistant layer, locate the spotlight structural layer of high temperature resistant layer upper surface and locate the high refraction diffusion rete of high rigidity substrate layer lower surface, the spotlight structural layer comprises the prism that a plurality of equidistance set up. The utility model discloses a high temperature resistance can be good, can be at normal use under the higher operating temperature, and its hardness is high, long service life.

Description

A kind of high-hardness high temperature resistant brightness enhancement film
Technical field
This utility model relates to Vikuiti field, is specifically related to a kind of high-hardness high temperature resistant brightness enhancement film.
Background technology
Liquid crystal display has the advantages such as low, lightweight, radiationless, the flicker free of energy consumption, it it is the display of main flow the most on the market, but liquid crystal is as the passive luminescent material of one, need the display relying on backlight module could realize image, in general, backlight module is made up of light source, reflectance coating, light guide plate, optics module, and wherein optics module comprises lower diffusion barrier, lower brightness enhancement film, upper brightness enhancement film, upper diffusion barrier;Point source or line source can be changed into uniform area source by light guide plate and diffusion barrier, and the light originally dissipated can be concentrated to axial direction by brightness enhancement film, thus improve the positive brightness of liquid crystal display, but generally to there is resistance to elevated temperatures poor for existing brightness enhancement film, the defect that hardness is low.
Summary of the invention
In order to overcome shortcoming and defect present in prior art, the purpose of this utility model is to provide a kind of high-hardness high temperature resistant brightness enhancement film, and its resistance to elevated temperatures is good, can the most normally use, and its hardness is high, and service life is long.
The purpose of this utility model is achieved through the following technical solutions: a kind of high-hardness high temperature resistant brightness enhancement film, the high-temperature-resistant layer including high rigidity substrate layer, being located at high rigidity substrate layer upper surface, the concentration structure layer being located at high-temperature-resistant layer upper surface and be located at the high refraction Diffusion barrier layer of high rigidity substrate layer lower surface, described concentration structure layer is made up of multiple prisms being placed equidistant.
Wherein, distance between the center line of two adjacent prisms is equal to the bottommost width of prism, and the cross section of described prism is isosceles triangle, and the drift angle of isosceles triangle is arc-shaped, the radius of circular arc is 3-7 μm, and the angle of the central angle of corresponding circular arc is 87 °-92 °.
Wherein, the width of the bottommost of described prism is 31-34 μm, and the height of prism is 16-20 μm.
Wherein, described high-temperature-resistant layer is high temperature resistant PET film layer, high temperature resistant PC film layer or high temperature resistant PMMA film layer.
Wherein, the thickness of described high-temperature-resistant layer is 30-50 μm.
Wherein, the thickness of described high refraction Diffusion barrier layer is 4-6 μm.
Wherein, described high rigidity substrate layer is high rigidity PET film layer, high rigidity PC film layer or high rigidity PMMA film layer.
Wherein, the thickness of described high rigidity substrate layer is 40-70 μm.
Wherein, described concentration structure layer is acrylic Acid UV curing resin layer.
Wherein, the top surface of described prism is rough surface, and the roughness of remaining surface is less than 18 μm.
The beneficial effects of the utility model are: this utility model this utility model is provided with high-temperature-resistant layer, resistance to elevated temperatures is good, high-temperature-resistant layer of the present utility model is arranged on the upper surface of high rigidity substrate layer, the impact on concentration structure layer coating quality of the defect of high rigidity substrate layer can be prevented effectively from, thus ensure that the structural intergrity of concentration structure layer, and then ensureing the Forming Quality of concentration structure layer, it is ensured that brightness enhancement film has good optical gain effect;The hardness of high rigidity substrate layer of the present utility model is high, effectively enhances the integral hardness of brightness enhancement film, and mechanical property is good, and service life is long.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is axonometric chart of the present utility model.
Reference is: 1 high rigidity substrate layer, 2 high-temperature-resistant layers, 3 high refraction Diffusion barrier layer, 4 prisms.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, being further described this utility model below in conjunction with embodiment and accompanying drawing 1-2, the content that embodiment is mentioned is not to restriction of the present utility model.
See Fig. 1-2, a kind of high-hardness high temperature resistant brightness enhancement film, the high-temperature-resistant layer 2 including high rigidity substrate layer 1, being located at high rigidity substrate layer 1 upper surface, the concentration structure layer being located at high-temperature-resistant layer 2 upper surface and be located at the high refraction Diffusion barrier layer 3 of high rigidity substrate layer 1 lower surface, described concentration structure layer is made up of multiple prisms 4 being placed equidistant.
This utility model this utility model is provided with high-temperature-resistant layer 2, resistance to elevated temperatures is good, high-temperature-resistant layer 2 of the present utility model is arranged on the upper surface of high rigidity substrate layer 1, the impact on concentration structure layer coating quality of the defect of high rigidity substrate layer 1 can be prevented effectively from, thus ensure that the structural intergrity of concentration structure layer, and then ensureing the Forming Quality of concentration structure layer, it is ensured that brightness enhancement film has good optical gain effect;The hardness of high rigidity substrate layer 1 of the present utility model is high, effectively enhances the integral hardness of brightness enhancement film, and mechanical property is good, and service life is long;Arrange high refraction Diffusion barrier layer 3 in bottom of the present utility model, light rate is high, and the degree that is evenly distributed is high, and beneficially concentration structure layer carries out optical gain process to light, and the optical gain of brightness enhancement film is effective.
Wherein, distance between the center line of two adjacent prisms 4 is equal to the bottommost width of prism 4, and the cross section of described prism 4 is isosceles triangle, and the drift angle of isosceles triangle is arc-shaped, the radius of circular arc is 3-7 μm, and the angle of the central angle of corresponding circular arc is 87 °-92 °.At the drift angle application arc structure of prism 4, light injection diffuse-reflectance distribution can be effectively increased, reduce the surface gloss of brightness enhancement film, good visual effect is provided on the basis of optimum gain effect is provided.
Wherein, the width of the bottommost of described prism 4 is 31-34 μm, and the height of prism 4 is 16-20 μm.Specifically, the width of the bottommost of described prism 4 is 32 μm, and the height of prism 4 is 17 μm.Enough height must be had, in order to unnecessary scattering light can reflect back recycling again by adjacent prism 4, without weakening the brightening effect of prism 4 between top and the bottom of prism 4.
Wherein, described high-temperature-resistant layer 2 is high temperature resistant PET film layer, high temperature resistant PC film layer or high temperature resistant PMMA film layer.Preferably, described high-temperature-resistant layer 2 is high temperature resistant PET film layer, and the price of high temperature resistant PET is relatively inexpensive, effectively reduces the production cost of brightness enhancement film.
Wherein, the thickness of described high-temperature-resistant layer 2 is 30-50 μm.For making this utility model reach optimal using effect, the raw material dosage of high-temperature-resistant layer 2 being preferably minimized, the thickness of high-temperature-resistant layer 2 is 42 μm simultaneously.
Wherein, the thickness of described high refraction Diffusion barrier layer 3 is 4-6 μm.For making this utility model reach optimal using effect, the raw material dosage that height reflects Diffusion barrier layer 3 simultaneously is preferably minimized, and the thickness of high refraction Diffusion barrier layer 3 is 4 μm.
Wherein, described high rigidity substrate layer 1 is high rigidity PET film layer, high rigidity PC film layer or high rigidity PMMA film layer.Preferably, described high rigidity substrate layer 1 is high rigidity PET film layer, and the price of high rigidity PET is relatively inexpensive, effectively reduces the production cost of brightness enhancement film.
Wherein, the thickness of described high rigidity substrate layer 1 is 40-70 μm.For making this utility model reach optimal using effect, the raw material dosage of high rigidity substrate layer 1 being preferably minimized, the thickness of high rigidity substrate layer 1 is 58 μm simultaneously.
Wherein, described concentration structure layer is acrylic Acid UV curing resin layer.Acrylic Acid UV solidification non-toxic is harmless and filming performance good.
Wherein, the top surface of described prism 4 is rough surface, and the roughness of remaining surface is less than 18 μm.The top surface of prism 4 is rough surface, it is possible to is effectively improved the adhesion strength of brightness enhancement film, increases the service life, and the roughness of remaining surface is less than 17 μm, and surface smoothness is high, and the optical gain of brightness enhancement film is effective.
Above-described embodiment is this utility model preferably implementation, and in addition, this utility model can realize with alternate manner, and the most any obvious replacement is all within protection domain of the present utility model.

Claims (10)

1. a high-hardness high temperature resistant brightness enhancement film, it is characterized in that: including high rigidity substrate layer, be located at the high-temperature-resistant layer of high rigidity substrate layer upper surface, be located at the concentration structure layer of high-temperature-resistant layer upper surface and be located at the high refraction Diffusion barrier layer of high rigidity substrate layer lower surface, described concentration structure layer is made up of multiple prisms being placed equidistant.
A kind of high-hardness high temperature resistant brightness enhancement film the most according to claim 1, it is characterized in that: the distance between the center line of two adjacent prisms is equal to the bottommost width of prism, the cross section of described prism is isosceles triangle, the drift angle of isosceles triangle is arc-shaped, the radius of circular arc is 3-7 μm, and the angle of the central angle of corresponding circular arc is 87 °-92 °.
A kind of high-hardness high temperature resistant brightness enhancement film the most according to claim 2, it is characterised in that: the width of the bottommost of described prism is 31-34 μm, and the height of prism is 16-20 μm.
A kind of high-hardness high temperature resistant brightness enhancement film the most according to claim 1, it is characterised in that: described high-temperature-resistant layer is high temperature resistant PET film layer, high temperature resistant PC film layer or high temperature resistant PMMA film layer.
A kind of high-hardness high temperature resistant brightness enhancement film the most according to claim 1, it is characterised in that: the thickness of described high-temperature-resistant layer is 30-50 μm.
A kind of high-hardness high temperature resistant brightness enhancement film the most according to claim 1, it is characterised in that: the thickness of described high refraction Diffusion barrier layer is 4-6 μm.
A kind of high-hardness high temperature resistant brightness enhancement film the most according to claim 1, it is characterised in that: described high rigidity substrate layer is high rigidity PET film layer, high rigidity PC film layer or high rigidity PMMA film layer.
A kind of high-hardness high temperature resistant brightness enhancement film the most according to claim 1, it is characterised in that: the thickness of described high rigidity substrate layer is 40-70 μm.
A kind of high-hardness high temperature resistant brightness enhancement film the most according to claim 1, it is characterised in that: described concentration structure layer is acrylic Acid UV curing resin layer.
A kind of high-hardness high temperature resistant brightness enhancement film the most according to claim 1, it is characterised in that: the top surface of described prism is rough surface, and the roughness of remaining surface is less than 18 μm.
CN201620141307.8U 2016-02-25 2016-02-25 High temperature resistant brightness enhancement film of high rigidity Expired - Fee Related CN205450319U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620141307.8U CN205450319U (en) 2016-02-25 2016-02-25 High temperature resistant brightness enhancement film of high rigidity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620141307.8U CN205450319U (en) 2016-02-25 2016-02-25 High temperature resistant brightness enhancement film of high rigidity

Publications (1)

Publication Number Publication Date
CN205450319U true CN205450319U (en) 2016-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620141307.8U Expired - Fee Related CN205450319U (en) 2016-02-25 2016-02-25 High temperature resistant brightness enhancement film of high rigidity

Country Status (1)

Country Link
CN (1) CN205450319U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160810

Termination date: 20190225