CN105204100A - Brightness enhancement film adopting microprism structure - Google Patents
Brightness enhancement film adopting microprism structure Download PDFInfo
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- CN105204100A CN105204100A CN201510680630.2A CN201510680630A CN105204100A CN 105204100 A CN105204100 A CN 105204100A CN 201510680630 A CN201510680630 A CN 201510680630A CN 105204100 A CN105204100 A CN 105204100A
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- enhancement film
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- triangular prism
- bright enhancement
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
Abstract
The invention belongs to the field of optical films, in particular to a brightness enhancement film adopting a microprism structure. The brightness enhancement film comprises a substrate layer, a microprism structure layer positioned on one side of the substrate layer and a diffusion layer positioned on the other side of the substrate layer; the microprism structure layer is composed of wave-shaped structure units and linear structure units which are arranged alternatively. Since the brightness enhancement film adopting the microprism structure comprises the wave-shaped structure units and the linear structure units, so that the brightness enhancement film has good high brightness of a front surface of a linear brightness enhancement film, also has a view angle similar to that of a wave-shaped brightness enhancement film and further can effectively eliminate the bad phenomenon of moire patterns generated by adsorption.
Description
Technical field
The invention belongs to blooming field, be specifically related to a kind of micro-prism structure bright enhancement film.
Background technology
The main member of flat panel Liquid Crystal module comprises: liquid-crystalline glasses, light source, light guide plate and all kinds of blooming piece.These blooming pieces mainly include reflectance coating, bright enhancement film and diffusion barrier, and bright enhancement film is one of of paramount importance blooming piece in module, its principle utilizes the micro-prism structure on surface to make the light of dispersion concentrate on certain angle by the refraction to light, reflection to send from backlight, be increased in the brightness of the light can seen in user's visual line of sight, and make system consume less energy when producing required brightness simultaneously.
The micro-lens structure on bright enhancement film surface is generally in triangular prism shape, this triangular prism shape has form of straight lines, also has wave pattern.The bright enhancement film front face brightness of wherein simple form of straight lines is higher, but visual angle is general; And the bright enhancement film front face brightness of simple wave pattern is general, but visual angle is better.
Summary of the invention
The object of this invention is to provide a kind of micro-prism structure bright enhancement film, there is wavy shaped configuration unit and linear structure unit, it had both had the high brightness in the good front of form of straight lines bright enhancement film, keep again the visual angle close with the bright enhancement film of wave pattern, and effectively can also eliminate the moir é line bad phenomenon because absorption produces.
For achieving the above object, the technical solution adopted in the present invention is: comprise substrate layer, be positioned at the micro-prism structure layer of substrate layer side and be positioned at the diffusion layer of substrate layer opposite side, micro-prism structure layer is made up of alternately wavy shaped configuration unit and rectilinear structure unit.
Preferably, described wavy shaped configuration unit is arranged side by side by the waveform triangular prism that 3-6 is heaving of the sea shape and forms, rectilinear structure unit is arranged side by side by multiple linear triangular prism and forms, and the orientation of waveform triangular prism is vertical with the orientation of linear pattern triangular prism.
Preferably, the width of described wavy shaped configuration unit is identical with the width of rectilinear structure unit, and the xsect of waveform triangular prism is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, and high H1 is 20-60 μm.
Preferably, described waveform triangular prism rises and falls according to sinusoidal wave or cosine wave (CW) curve shape, and fluctuating cycle T is 600-4000 μm, and amplitude A is 2-6 μm.
Preferably, the xsect of described linear triangular prism is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, and high H2 is 20-60 μm.
Preferably, high H1, the curve fluctuating cycle T of the multiple waveform triangular prisms in each wavy shaped configuration unit are all equal with amplitude A, and the high H2 of the multiple linear triangular prisms in each rectilinear structure unit is all equal.
Preferably, high H1, the curve fluctuating cycle T of the waveform triangular prism in different wavy shaped configuration unit are all equal with amplitude A, and the high H2 of the linear triangular prism in different rectilinear structure unit is all equal.
Preferably, the high H1 of waveform triangular prism is equal with the high H2 of linear triangular prism.
Preferably, the first phase forming the curve of each waveform triangular prism in a wavy shaped configuration unit is all different.
After adopting technique scheme, the present invention has following good effect:
Micro-prism structure bright enhancement film of the present invention, be made up of alternately wavy shaped configuration unit and rectilinear structure unit, the high brightness in the front that its existing form of straight lines bright enhancement film is good, keep again the visual angle close with the bright enhancement film of wave pattern, and effectively can eliminate the moir é line bad phenomenon because absorption produces.
Accompanying drawing explanation
Fig. 1 is the stereographic map of micro-prism structure bright enhancement film of the present invention;
Fig. 2 is the front view of micro-prism structure bright enhancement film of the present invention;
Fig. 3 is the right view of micro-prism structure bright enhancement film of the present invention;
Fig. 4 is the vertical view of micro-prism structure bright enhancement film of the present invention.
Wherein: 1, substrate layer, 2, micro-prism structure layer, 21, wavy shaped configuration unit, 211, waveform triangular prism, 22, rectilinear structure unit, 221, linear triangular prism, 3, diffusion layer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1
As Figure 1-4, for micro-prism structure bright enhancement film of the present invention, comprise substrate layer 1, be positioned at the micro-prism structure layer 2 of substrate layer 1 side and be positioned at the diffusion layer 3 of substrate layer 1 opposite side, micro-prism structure layer 2 is made up of alternately wavy shaped configuration unit 21 and rectilinear structure unit 22.
Wavy shaped configuration unit 21 is arranged side by side by the waveform triangular prism 211 that 4 is heaving of the sea shape and forms, and the xsect of waveform triangular prism 211 is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, and height is H1.Waveform triangular prism 211 rises and falls according to sine wave curve shape, and the fluctuating cycle is T, and amplitude is A.The high H1 of the multiple waveform triangular prisms 211 in each wavy shaped configuration unit 21 is all equal, and curve fluctuating cycle T and amplitude A are all equal.Wherein H1 is 25 μm, and T is 600 μm, and A is 2 μm.The width of wavy shaped configuration unit 21 is 100 μm.The first phase of the curve of different waveform triangular prism 211 is different, and it structurally shows as, and is positioned on Same Latitude, and on multiple waveform triangular prism 211, corresponding point has different height.
Rectilinear structure unit 22 is arranged side by side by multiple straight line triangular prism 221 and forms, and the orientation of waveform triangular prism 211 is vertical with the orientation of linear triangular prism 221.The xsect of linear triangular prism 221 is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, height is H2, the high H2 of the multiple linear triangular prisms 221 in each rectilinear structure unit 22 is all equal, and H2 and H1 is equal, H2 is 25 μm, and the width of rectilinear structure unit 22 is 100 μm.
Embodiment 2
In the present embodiment, micro-prism structure bright enhancement film comprises substrate layer 1, be positioned at the micro-prism structure layer 2 of substrate layer 1 side and be positioned at the diffusion layer 3 of substrate layer 1 opposite side, and micro-prism structure layer 2 is made up of alternately wavy shaped configuration unit 21 and rectilinear structure unit 22.
Wavy shaped configuration unit 21 is arranged side by side by the waveform triangular prism 211 that 5 is heaving of the sea shape and forms, and the xsect of waveform triangular prism 211 is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, and height is H1.Waveform triangular prism 211 rises and falls according to cosine wave (CW) curve shape, and the fluctuating cycle is T, and amplitude is A.The high H1 forming each waveform triangular prism 211 in a wavy shaped configuration unit 21 is all equal, curve fluctuating cycle T is all equal with amplitude A, and height H 1, the curve fluctuating cycle T of the waveform triangular prism 211 in different wavy shaped configuration unit 21 are different with amplitude A.H1 wherein in subwave shape wave structural unit 21 is 50 μm, T is 1500 μm, A is 4 μm, the width of wavy shaped configuration unit 21 is 250 μm; H1 in another part wavy shaped configuration unit 21 is 40 μm, T is 4000 μm, A is 6 μm, the width of wavy shaped configuration unit 21 is 160 μm.The first phase of the curve of different waveform triangular prism 211 is different, and it structurally shows as, and is positioned on Same Latitude, and on multiple waveform triangular prism 211, corresponding point has different height.
Rectilinear structure unit 22 is arranged side by side by multiple straight line triangular prism 221 and forms, and the orientation of the orientation of waveform triangular prism 211 and linear triangular prism 221 is perpendicular.The xsect of linear triangular prism 221 is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, height is H2, the high H2 forming the multiple linear triangular prisms 221 in a rectilinear structure unit 22 is all equal, and the high H2 of the linear triangular prism 221 in different rectilinear structure unit 22 is not etc.H2 wherein in partial straight lines shape structural unit 22 is 50 μm, and the width of rectilinear structure unit 22 is 250 μm; H2 in another part rectilinear structure unit 22 is 40 μm, and the width of rectilinear structure unit 22 is 160 μm.
Embodiment 3
In the present embodiment, micro-prism structure bright enhancement film comprises substrate layer 1, be positioned at the micro-prism structure layer 2 of substrate layer 1 side and be positioned at the diffusion layer 3 of substrate layer 1 opposite side, and micro-prism structure layer 2 is made up of alternately wavy shaped configuration unit 21 and rectilinear structure unit 22.
Wavy shaped configuration unit 21 is arranged side by side by the waveform triangular prism 211 that 3 is heaving of the sea shape and forms, and the xsect of waveform triangular prism 211 is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, and height is H1.Waveform triangular prism 211 rises and falls according to cosine wave (CW) curve shape, and the fluctuating cycle is T, and amplitude is A.The high H1 forming the multiple waveform triangular prisms 211 in each wavy shaped configuration unit 21 does not wait, curve fluctuating cycle T and amplitude A all not etc.Wherein width any value between 150-250 μm of H1 any value, T any value, A any value, wavy shaped configuration unit 21 between 2-6 μm between 600-4000 μm between 20-60 μm.The first phase of the curve of different waveform triangular prism 211 is different, and it structurally shows as, and is positioned on Same Latitude, and on multiple waveform triangular prism 211, corresponding point has different height.
Rectilinear structure unit 22 is arranged side by side by multiple straight line triangular prism 221 and forms, and the orientation of the orientation of waveform triangular prism 211 and linear triangular prism 221 is perpendicular.The xsect of linear triangular prism 221 is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, height is H2, the high H2 forming the multiple linear triangular prisms 221 in each rectilinear structure unit 22 is not all etc., H2 is any value between 20-60 μm, width any value between 150-250 μm of rectilinear structure unit 22.
Comparative example 1
In this comparative example, micro-prism structure bright enhancement film forms by wavy shaped configuration unit 21, wavy shaped configuration unit 21 is arranged side by side by the contoured waveform triangular prism 211 of multiple undulate and forms, the xsect of waveform triangular prism 211 is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, high H1 is 25 μm, and waveform triangular prism 211 rises and falls according to cosine wave (CW) curve shape, fluctuating cycle T is 600 μm, and amplitude A is 2 μm.
Comparative example 2
Micro-prism structure bright enhancement film forms by rectilinear structure unit 22, rectilinear structure unit 22 is arranged side by side by multiple linear triangular prism 221 and forms, the xsect of linear triangular prism 221 is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, and high H2 is 50 μm.
Performance comparision
The micro-prism structure bright enhancement film prepared by embodiment 1-3 and comparative example 1-2 is under same module condition, be placed in module, measure visual angle during front face brightness gain and 30% brightness of each bright enhancement film, the moir é line bad phenomenon (wherein " moir é line " refers to the vision lines produced by " Moire effect ", is made up of oolemma and blanking bar) of the module of visual inspection simultaneously.The result obtained is as shown in table 1 below:
Table 1
| Front face brightness gain | 30% luminance level visual angle | 30% brightness vertical angle of view | Moir é line is bad | |
| Embodiment 1 | 1.488 | 68.7° | 45.3° | Nothing |
| Embodiment 2 | 1.509 | 65.1° | 44.2° | Nothing |
| Embodiment 3 | 1.485 | 70.1° | 46.5° | Nothing |
| Comparative example 1 | 1.467 | 70.5° | 46.8° | Nothing |
| Comparative example 2 | 1.511 | 62.7° | 40.7° | Have |
It can thus be appreciated that, the front face brightness gain performance of embodiment 1-3 is all good than comparative example 1 (waveform micro-prism structure bright enhancement film), and the visual angle of embodiment 1-3 is all good than comparative example 2 (linear micro-prism structure bright enhancement film), and embodiment 1-3 does not all find moir é line bad phenomenon.
To one skilled in the art, according to technical scheme described above and design, other various corresponding change and deformation can be made, and all these change and deformation all should belong within the protection domain of application claims.
Claims (9)
1. a micro-prism structure bright enhancement film, it is characterized in that: comprise substrate layer (1), be positioned at the micro-prism structure layer (2) of substrate layer (1) side and be positioned at the diffusion layer (3) of substrate layer (1) opposite side, micro-prism structure layer (2) is made up of alternately wavy shaped configuration unit (21) and rectilinear structure unit (22).
2. micro-prism structure bright enhancement film according to claim 1, it is characterized in that: wavy shaped configuration unit (21) is arranged side by side by the waveform triangular prism (211) that 3-6 is heaving of the sea shape and forms, rectilinear structure unit (22) is arranged side by side by multiple linear triangular prism (221) and forms, and the orientation of waveform triangular prism (211) is vertical with the orientation of linear pattern triangular prism (221).
3. micro-prism structure bright enhancement film according to claim 2, it is characterized in that: the width of wavy shaped configuration unit (21) is identical with the width of rectilinear structure unit (22), the xsect of waveform triangular prism (211) is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, high H1 is 20-60 μm.
4. micro-prism structure bright enhancement film according to claim 3, is characterized in that: waveform triangular prism (211) rises and falls according to sinusoidal wave or cosine wave (CW) curve shape, and fluctuating cycle T is 600-4000 μm, and amplitude A is 2-6 μm.
5. micro-prism structure bright enhancement film according to claim 4, is characterized in that: the xsect of linear triangular prism (221) is isosceles right triangle, and the drift angle of described isosceles right triangle is right angle, and high H2 is 20-60 μm.
6. micro-prism structure bright enhancement film according to claim 5, it is characterized in that: high H1, the curve fluctuating cycle T of the multiple waveform triangular prisms (211) in each wavy shaped configuration unit (21) are all equal with amplitude A, and the high H2 of the multiple linear triangular prisms (221) in each rectilinear structure unit (22) is all equal.
7. micro-prism structure bright enhancement film according to claim 6, it is characterized in that: high H1, the curve fluctuating cycle T of the waveform triangular prism (211) in different wavy shaped configuration unit (21) are all equal with amplitude A, and the high H2 of the linear triangular prism (221) in different rectilinear structure unit (22) is all equal.
8. micro-prism structure bright enhancement film according to claim 7, is characterized in that: the high H1 of waveform triangular prism (211) is equal with the high H2 of linear triangular prism (221).
9. micro-prism structure bright enhancement film according to claim 8, is characterized in that: the first phase forming the curve of each waveform triangular prism (211) in a wavy shaped configuration unit (21) is all different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510680630.2A CN105204100B (en) | 2015-10-19 | 2015-10-19 | Micro-prism structure bright enhancement film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510680630.2A CN105204100B (en) | 2015-10-19 | 2015-10-19 | Micro-prism structure bright enhancement film |
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| CN105204100A true CN105204100A (en) | 2015-12-30 |
| CN105204100B CN105204100B (en) | 2018-02-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462456A (en) * | 2020-11-29 | 2021-03-09 | 昇印光电（昆山）股份有限公司 | Optical film, manufacturing method and electronic equipment cover plate with optical film |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201107420Y (en) * | 2007-10-17 | 2008-08-27 | 联茂电子股份有限公司 | Light collecting element |
| CN203133303U (en) * | 2013-02-04 | 2013-08-14 | 常州华威新材料有限公司 | Composite type brightness enhancement film |
| CN104133258A (en) * | 2014-08-20 | 2014-11-05 | 宁波激智科技股份有限公司 | Composite optical brightness enhancement film |
| CN205038365U (en) * | 2015-10-19 | 2016-02-17 | 常州华威新材料有限公司 | Little prism structure membrane that adds lustre to |
-
2015
- 2015-10-19 CN CN201510680630.2A patent/CN105204100B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201107420Y (en) * | 2007-10-17 | 2008-08-27 | 联茂电子股份有限公司 | Light collecting element |
| CN203133303U (en) * | 2013-02-04 | 2013-08-14 | 常州华威新材料有限公司 | Composite type brightness enhancement film |
| CN104133258A (en) * | 2014-08-20 | 2014-11-05 | 宁波激智科技股份有限公司 | Composite optical brightness enhancement film |
| CN205038365U (en) * | 2015-10-19 | 2016-02-17 | 常州华威新材料有限公司 | Little prism structure membrane that adds lustre to |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462456A (en) * | 2020-11-29 | 2021-03-09 | 昇印光电（昆山）股份有限公司 | Optical film, manufacturing method and electronic equipment cover plate with optical film |
| CN112462456B (en) * | 2020-11-29 | 2023-10-20 | 昇印光电（昆山）股份有限公司 | Optical film, manufacturing method and electronic equipment cover plate carrying same |
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| CN105204100B (en) | 2018-02-06 |
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