CN105204100B - Micro-prism structure bright enhancement film - Google Patents
Micro-prism structure bright enhancement film Download PDFInfo
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- CN105204100B CN105204100B CN201510680630.2A CN201510680630A CN105204100B CN 105204100 B CN105204100 B CN 105204100B CN 201510680630 A CN201510680630 A CN 201510680630A CN 105204100 B CN105204100 B CN 105204100B
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- 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
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Abstract
The invention belongs to optical film field, more particularly to a kind of micro-prism structure bright enhancement film, micro-prism structure layer including substrate layer, positioned at substrate layer side and the diffusion layer positioned at substrate layer opposite side, micro-prism structure layer is by wavy shaped configuration unit and rectilinear structure unit is spaced forms.The micro-prism structure bright enhancement film of the present invention, with wavy shaped configuration unit and linear structure unit, it had both had the good positive high brightness of form of straight lines bright enhancement film, kept visual angle similar in the bright enhancement film with wave pattern again, and can also effectively eliminate because of moir é line bad phenomenons caused by absorption.
Description
Technical field
The invention belongs to optical film field, and in particular to a kind of micro-prism structure bright enhancement film.
Background technology
The main member of flat panel Liquid Crystal module includes：Liquid-crystalline glasses, light source, light guide plate and all kinds of blooming pieces.These light
Learn diaphragm and mainly include reflectance coating, bright enhancement film and diffusion barrier, and bright enhancement film is one of blooming piece mostly important in module,
Its principle be using surface micro-prism structure by the refraction to light, reflection make scattered light concentrate on certain angle from
Sent in backlight, increase the brightness for the light that can be seen in user's visual line of sight, and make system simultaneously bright needed for generation
Less energy is consumed when spending.
The micro-lens structure on bright enhancement film surface typically has form of straight lines, also had in triangular prism shape, this triangular prism shape
Wave pattern.The bright enhancement film front face brightness of wherein simple form of straight lines is higher, but visual angle is general；And simple wave pattern
Bright enhancement film front face brightness it is general, but visual angle is preferable.
The content of the invention
It is an object of the invention to provide a kind of micro-prism structure bright enhancement film, has wavy shaped configuration unit and linear structure list
Member, it had both had the good positive high brightness of form of straight lines bright enhancement film, was regarded again similar in holding and the bright enhancement film of wave pattern
Angle, and can also effectively eliminate because of moir é line bad phenomenons caused by absorption.
To achieve the above object, the technical solution adopted in the present invention is：Including substrate layer, positioned at the micro- of substrate layer side
Prism structural layer and the diffusion layer positioned at substrate layer opposite side, micro-prism structure layer is by wavy shaped configuration unit and rectilinear structure
The spaced composition of unit.
Preferably, the wavy shaped configuration unit is arranged side by side group by 3-6 in the waveform triangular prisms of heaving of the sea shape
Into rectilinear structure unit is arranged side by side by multiple linear triangular prisms and formed, the orientation of waveform triangular prism and straight line
The orientation of type triangular prism is vertical.
Preferably, the width of the wavy shaped configuration unit is identical with the width of rectilinear structure unit, waveform Rhizoma Sparganii
The cross section of post is in isosceles right triangle, and the drift angle of the isosceles right triangle is right angle, and high H1 is 20-60 μm.
Preferably, the waveform triangular prism rises and falls according to sine wave or cosine wave curve shape, and fluctuating cycle T is 600-
4000 μm, amplitude A is 2-6 μm.
Preferably, the cross section of the linear triangular prism is in isosceles right triangle, and the isosceles right triangle
Drift angle be right angle, high H2 is 20-60 μm.
Preferably, the high H1 of multiple waveform triangular prisms in each wavy shaped configuration unit, curve fluctuating cycle T and shake
Width A is equal, and the high H2 of multiple linear triangular prisms in each rectilinear structure unit is equal.
Preferably, high H1, curve fluctuating cycle T and the amplitude A of the waveform triangular prism in different wavy shaped configuration units
Equal, the high H2 of the linear triangular prism in different rectilinear structure units is equal.
Preferably, the high H2 of high H1 and the linear triangular prism of waveform triangular prism is equal.
Preferably, the first phase for forming the curve of each waveform triangular prism in a wavy shaped configuration unit is different.
After adopting the above technical scheme, the present invention has the positive effect that：
The micro-prism structure bright enhancement film of the present invention, by wavy shaped configuration unit and the spaced structure of rectilinear structure unit
Into, the good positive high brightness of its existing form of straight lines bright enhancement film, visual angle similar in the bright enhancement film with wave pattern is kept again,
And can effectively it eliminate because of moir é line bad phenomenons caused by absorption.
Brief description of the drawings
Fig. 1 is the stereogram of the micro-prism structure bright enhancement film of the present invention；
Fig. 2 is the front view of the micro-prism structure bright enhancement film of the present invention；
Fig. 3 is the right view of the micro-prism structure bright enhancement film of the present invention；
Fig. 4 is the top view of the micro-prism structure bright enhancement film of the present invention.
Wherein：1st, substrate layer, 2, micro-prism structure layer, 21, wavy shaped configuration unit, 211, waveform triangular prism, 22, straight
Linear structure unit, 221, linear triangular prism, 3, diffusion layer.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As Figure 1-4, for the present invention micro-prism structure bright enhancement film, including substrate layer 1, positioned at the side of substrate layer 1
Micro-prism structure layer 2 and the diffusion layer 3 positioned at the opposite side of substrate layer 1, micro-prism structure layer 2 is by wavy shaped configuration unit 21 and directly
22 spaced composition of linear structure unit.
Wavy shaped configuration unit 21 is arranged side by side by 4 waveform triangular prisms 211 in heaving of the sea shape and formed, waveform
The cross section of triangular prism 211 is in isosceles right triangle, and the drift angle of the isosceles right triangle is right angle, a height of H1.Ripple
Shape wave triangular prism 211 rises and falls according to sine wave curve shape, and the fluctuating cycle is T, amplitude A.Each wavy shaped configuration unit 21
In multiple waveform triangular prisms 211 high H1 it is equal, curve fluctuating cycle T and amplitude A are equal.Wherein H1 is 25 μm, T
For 600 μm, 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 prisms 211
Difference, it shows as in structure, and on Same Latitude, corresponding point has different on multiple waveform triangular prisms 211
Highly.
Rectilinear structure unit 22 is arranged side by side by multiple straight line triangular prisms 221 and formed, and the row of waveform triangular prism 211
Column direction is vertical with the orientation of linear triangular prism 221.The cross section of linear triangular prism 221 is in isosceles right angle trigonometry
Shape, and the drift angle of the isosceles right triangle is right angle, a height of H2, multiple linears in each rectilinear structure unit 22
The high H2 of triangular prism 221 is equal, and H2 is equal with H1, and 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 includes substrate layer 1, the micro-prism structure positioned at the side of substrate layer 1
Layer 2 and the diffusion layer 3 positioned at the opposite side of substrate layer 1, micro-prism structure layer 2 is by wavy shaped configuration unit 21 and rectilinear structure list
First 22 spaced compositions.
Wavy shaped configuration unit 21 is arranged side by side by 5 waveform triangular prisms 211 in heaving of the sea shape and formed, waveform
The cross section of triangular prism 211 is in isosceles right triangle, and the drift angle of the isosceles right triangle is right angle, a height of H1.Ripple
Shape wave triangular prism 211 rises and falls according to cosine wave curve shape, and the fluctuating cycle is T, amplitude A.Form a wavy shaped configuration list
Each waveform triangular prism 211 in member 21 high H1 is equal, curve fluctuating cycle T and amplitude A are equal, different waveforms
The height H1 of waveform triangular prism 211 in construction unit 21, curve fluctuating cycle T are different with amplitude A.Which part waveform
H1 in construction unit 21 is 50 μm, T is 1500 μm, A is 4 μm, the width of wavy shaped configuration unit 21 is 250 μm；Another portion
H1 in partial wave shape wave construction unit 21 is 40 μm, T is 4000 μm, A is 6 μm, the width of wavy shaped configuration unit 21 is 160 μ
m.The first phase of the curve of different waveform triangular prisms 211 is different, and it shows as in structure, on Same Latitude, Duo Gebo
Corresponding point has different height on shape wave triangular prism 211.
Rectilinear structure unit 22 is arranged side by side by multiple straight line triangular prisms 221 and formed, and the row of waveform triangular prism 211
The orientation of column direction and linear triangular prism 221 is perpendicular.The cross section of linear triangular prism 221 is in isosceles right angle trigonometry
Shape, and the drift angle of the isosceles right triangle is right angle, a height of H2, is formed multiple straight in a rectilinear structure unit 22
The high H2 of linear triangular prism 221 is equal, the high H2 of the linear triangular prism 221 in different rectilinear structure units 22.
H2 in which part rectilinear structure unit 22 is 50 μm, and the width of rectilinear structure unit 22 is 250 μm；Another part is straight
H2 in linear 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 includes substrate layer 1, the micro-prism structure positioned at the side of substrate layer 1
Layer 2 and the diffusion layer 3 positioned at the opposite side of substrate layer 1, micro-prism structure layer 2 is by wavy shaped configuration unit 21 and rectilinear structure list
First 22 spaced compositions.
Wavy shaped configuration unit 21 is arranged side by side by 3 waveform triangular prisms 211 in heaving of the sea shape and formed, waveform
The cross section of triangular prism 211 is in isosceles right triangle, and the drift angle of the isosceles right triangle is right angle, a height of H1.Ripple
Shape wave triangular prism 211 rises and falls according to cosine wave curve shape, and the fluctuating cycle is T, amplitude A.Form each wavy shaped configuration list
The high H1 of multiple waveform triangular prisms 211 in member 21 is not waited, curve fluctuating cycle T and amplitude A.Wherein H1 is in 20-
Any value, T any value, A any value, wavy shaped configuration unit 21 between 2-6 μm between 600-4000 μm between 60 μm
Width any value between 150-250 μm.The first phase of the curve of different waveform triangular prisms 211 is different, and it is showed in structure
For on Same Latitude, corresponding point has different height on multiple waveform triangular prisms 211.
Rectilinear structure unit 22 is arranged side by side by multiple straight line triangular prisms 221 and formed, and the row of waveform triangular prism 211
The orientation of column direction and linear triangular prism 221 is perpendicular.The cross section of linear triangular prism 221 is in isosceles right angle trigonometry
Shape, and the drift angle of the isosceles right triangle is right angle, a height of H2, is formed multiple straight in each rectilinear structure unit 22
, H2 any values between 20-60 μm, the width of rectilinear structure unit 22 is in 150- by the high H2 of linear triangular prism 221
Any value between 250 μm.
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 are arranged side by side by the contoured waveform triangular prism 211 of multiple undulates forms, and the cross section of waveform triangular prism 211 is in
Isosceles right triangle, and the drift angle of the isosceles right triangle is right angle, high H1 is 25 μm, and waveform triangular prism 211 is pressed
Risen and fallen according to cosine wave 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, and rectilinear structure unit 22 is by multiple linears
Triangular prism 221 is arranged side by side composition, and the cross section of linear triangular prism 221 is in isosceles right triangle, and the isosceles right angle
The drift angle of triangle is right angle, and high H2 is 50 μm.
Performance comparision
Embodiment 1-3 and comparative example 1-2 is prepared into the micro-prism structure bright enhancement film completed under the conditions of same module, put
In module, the visual angle when front face brightness gain and 30% brightness of each bright enhancement film is measured, while visually observe the moir é of module
Line bad phenomenon (wherein " moir é lines " refers to the vision lines as caused by " Moire effect ", is made up of oolemma and blanking bar).Obtain
Result it 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 lines are 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 follows that than comparative example 1, (waveform micro-prism structure adds lustre to embodiment 1-3 front face brightness gain performance
Film) to get well, and embodiment 1-3 visual angle is better than comparative example 2 (linear micro-prism structure bright enhancement film), and embodiment 1-
3 without discovery moir é line bad phenomenons.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to application claims protection domain it
It is interior.
Claims (7)
- A kind of 1. micro-prism structure bright enhancement film, it is characterised in that：Including substrate layer (1), the microprism positioned at substrate layer (1) side Structure sheaf (2) and the diffusion layer (3) positioned at substrate layer (1) opposite side, micro-prism structure layer (2) is by wavy shaped configuration unit (21) With rectilinear structure unit (22) spaced composition, wavy shaped configuration unit (21) is by the 3-6 waves in heaving of the sea shape Shape triangular prism (211) is arranged side by side composition, and rectilinear structure unit (22) is arranged side by side group by multiple linear triangular prisms (221) Into the orientation of waveform triangular prism (211) is vertical with the orientation of linear pattern triangular prism (221), wavy shaped configuration list The width of first (21) is identical with the width of rectilinear structure unit (22), and the cross section of waveform triangular prism (211) is straight in isosceles Angle triangle, and the drift angle of the isosceles right triangle is right angle, high H1 is 20-60 μm.
- 2. micro-prism structure bright enhancement film according to claim 1, it is characterised in that：Waveform triangular prism (211) is according to just String ripple or cosine wave curve shape rise and fall, and fluctuating cycle T is 600-4000 μm, and amplitude A is 2-6 μm.
- 3. micro-prism structure bright enhancement film according to claim 2, it is characterised in that：Linear triangular prism (221) it is transversal Face is in isosceles right triangle, and the drift angle of the isosceles right triangle is right angle, and high H2 is 20-60 μm.
- 4. micro-prism structure bright enhancement film according to claim 3, it is characterised in that：In each wavy shaped configuration unit (21) The high H1 of multiple waveform triangular prisms (211), curve fluctuating cycle T and amplitude A it is equal, each rectilinear structure unit (22) the high H2 of multiple linear triangular prisms (221) in is equal.
- 5. micro-prism structure bright enhancement film according to claim 4, it is characterised in that：In different wavy shaped configuration units (21) The high H1 of waveform triangular prism (211), curve fluctuating cycle T and amplitude A it is equal, in different rectilinear structure units (22) Linear triangular prism (221) high H2 it is equal.
- 6. micro-prism structure bright enhancement film according to claim 5, it is characterised in that：The high H1 of waveform triangular prism (211) It is equal with the high H2 of linear triangular prism (221).
- 7. micro-prism structure bright enhancement film according to claim 6, it is characterised in that：Form a wavy shaped configuration unit (21) first phase of the curve of each waveform triangular prism (211) in is different.
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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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| 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 CN105204100A (en) | 2015-12-30 |
| CN105204100B true CN105204100B (en) | 2018-02-06 |
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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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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 |
| CN104133258B (en) * | 2014-08-20 | 2016-05-11 | 宁波激智科技股份有限公司 | A kind of complex optics brightness enhancement film |
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| 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 |
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