CN110161603A - Orientation diffusion microstructured optical film - Google Patents
Orientation diffusion microstructured optical film Download PDFInfo
- Publication number
- CN110161603A CN110161603A CN201910476802.2A CN201910476802A CN110161603A CN 110161603 A CN110161603 A CN 110161603A CN 201910476802 A CN201910476802 A CN 201910476802A CN 110161603 A CN110161603 A CN 110161603A
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- Prior art keywords
- optical film
- micro
- microstructured optical
- angled trapezium
- orientation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
- G02B5/0231—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having microprismatic or micropyramidal shape
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Elements Other Than Lenses (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of orientations to spread microstructured optical film, the orientation diffusion microstructured optical film includes PET resin substrate and the PMMA layer for being fixed on the PET resin substrate surface, the PMMA layers of repressed multiple V-groove structures being sequentially arranged from left to right of formation；The V-groove structure is symmetrically made of two right-angled trapezium micro-structures, and the bevel edge of two right-angled trapezium micro-structures is oppositely arranged.Solve the liquid crystal display device for some specific uses, such as Vehicular display device, for the viewing effect for improving people, the problem of light is deflected mostly, it is made to concentrate on the two sides of liquid crystal display normal.
Description
Technical field
The present invention relates to optical film fields, and in particular, to a kind of orientation diffusion microstructured optical film.
Background technique
Currently, in LCD backlight source technology, optical film important role, for example it is used for even light, reflection and increasing
It is bright.Optical film used in LCD backlight source technology mainly includes diffusion barrier, reflectance coating and brightness enhancement film.Wherein diffusion barrier is for sending out
The shooting angle of astigmatism line, light is extended, therefore brightness uniformity can be improved using diffusion barrier in liquid crystal display.General diffusion
The diffusion to light may be implemented in film, however most of light concentrate near liquid crystal display normal.But for some specific uses
Liquid crystal display device, such as Vehicular display device, for the viewing effect for improving people, light is deflected mostly, makes its collection
In in the two sides of liquid crystal display normal, the Luminance Distribution of similar " batswing tab ", it is therefore desirable to design the micro-structure of diffusion barrier, Lai Shixian
The effect spread towards two specific directions.
Therefore it provides one kind makes liquid crystal display device realize the Luminance Distribution of similar " batswing tab ", that is, diffusion is oriented, liquid is made
Emergent ray of the crystal device in normal two sides increases, and the orientation diffusion microstructured optical film that brightness increases is that the present invention needs
It solves the problems, such as.
Summary of the invention
The object of the present invention is to provide a kind of orientations to spread microstructured optical film, solves the liquid for some specific uses
Crystal device, such as Vehicular display device, for the viewing effect for improving people, light is deflected mostly, concentrates on it
The problem of two sides of liquid crystal display normal.
To achieve the goals above, the present invention provides a kind of orientations to spread microstructured optical film, and the orientation diffusion is micro-
Feature optical film includes PET resin substrate and the PMMA layer for being fixed on the PET resin substrate surface, and described PMMA layers repressed
Form multiple V-groove structures being sequentially arranged from left to right；
The V-groove structure is symmetrically made of two right-angled trapezium micro-structures, two right-angled trapezium micro-structures it is oblique
While being oppositely arranged.
Preferably, equidistant interval is arranged multiple V-groove structures from left to right.
Preferably, the distance between adjacent two described V-groove structures are 0.04-0.06mm.
Preferably, the height of the right-angled trapezium micro-structure is 0.08-0.1mm.
Preferably, the bottom edge length of the right-angled trapezium micro-structure is 0.11-0.14mm.
Preferably, the bevel edge base angle angle of the right-angled trapezium micro-structure is 40-50 °.
According to the above technical scheme, the present invention provides a kind of orientations to spread microstructured optical film, and the orientation diffusion is micro-
Feature optical film includes PET resin substrate and the PMMA layer for being fixed on the PET resin substrate surface, and described PMMA layers repressed
Form multiple V-groove structures being sequentially arranged from left to right；The V-groove structure is by two symmetrical group of right-angled trapezium micro-structure
At the bevel edge of two right-angled trapezium micro-structures is oppositely arranged；Orientation provided by the invention spreads microstructured optical film, passes through
The design of V-groove structure, can making liquid crystal display, there are two symmetrical light directions, so that light in both directions
Increase, brightness increases, so that liquid crystal display device be made to realize the Luminance Distribution of similar " batswing tab ", that is, orients diffusion, Ke Yiguang
It is general to be applied to Vehicular display device, promote the viewing effect of human eye.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structure chart of orientation diffusion microstructured optical film provided by the invention；
Fig. 2 is the spatial brightness distribution map that light is directed through after the orientation diffusion microstructured optical film of the offer of embodiment 1；
Fig. 3 is the spatial brightness distribution map that light is directed through after the orientation diffusion microstructured optical film of the offer of embodiment 2.
Description of symbols
1-PET resin base material 2-V type groove structure
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality be included in the term " from left to right " etc. is only
Represent orientation of the term under normal service condition, or be those skilled in the art understand that be commonly called as, and be not construed as to this
The limitation of term.
As shown in Figure 1, the present invention provides a kind of orientations to spread microstructured optical film, the orientation spreads Microstructure Optics
Film includes PET resin substrate 1 and the PMMA layer for being fixed on 1 surface of PET resin substrate, and the PMMA layers of repressed formation is more
A V-groove structure 2 being sequentially arranged from left to right；The V-groove structure 2 is symmetrically made of two right-angled trapezium micro-structures, and two
The bevel edge of a right-angled trapezium micro-structure is oppositely arranged.Orientation provided by the invention spreads microstructured optical film, passes through V-groove
The design of structure, can making liquid crystal display, there are two symmetrical light directions, so that light increases in both directions,
Brightness increases, so that liquid crystal display device be made to realize the Luminance Distribution of similar " batswing tab ", that is, orients diffusion, can be widely applied
In Vehicular display device, the viewing effect of human eye is promoted.
In a preferred embodiment of the invention, the brightness of display in order to further increase, so that liquid crystal
Show device there are two symmetrical light direction, equidistant interval is arranged multiple V-groove structures 2 from left to right.
In a preferred embodiment of the invention, the brightness of display in order to further increase, so that liquid crystal
Show device there are two symmetrical light direction, the distance between described V-groove structure 2 of adjacent two is 0.04-0.06mm.
In a preferred embodiment of the invention, the brightness of display in order to further increase, so that liquid crystal
Show device there are two symmetrical light direction, the height of the right-angled trapezium micro-structure is 0.08-0.1mm.
In a preferred embodiment of the invention, the brightness of display in order to further increase, so that liquid crystal
Show device there are two symmetrical light direction, the bottom edge length of the right-angled trapezium micro-structure is 0.11-0.14mm.
In a preferred embodiment of the invention, the brightness of display in order to further increase, so that liquid crystal
Show device there are two symmetrical light direction, the bevel edge base angle angle of the right-angled trapezium micro-structure is 40-50 °.
It is specifically described below by way of 2 groups of embodiments.
Embodiment 1
A kind of orientation diffusion microstructured optical film, structural schematic diagram is as shown in Figure 1, in 1 one side of PET resin substrate
PMMA layers of coating, PMMA layers form V-groove structure 2 by coining production.V-groove structure 2 is micro- by two identical right-angled trapeziums
Structure composition, and all in the same face, it is in symmetric design.The height of right-angled trapezium micro-structure is 0.095mm, the micro- knot of right-angled trapezium
The bottom edge length of structure is 0.125mm, and the bevel edge base angle angle of right-angled trapezium micro-structure is 45 °, between adjacent V-groove structure away from
From for 0.05mm.This right-angled trapezium micro-structure can be such that light is deflected towards the side of normal, in the V-groove of symmetric design
Structure can make light towards two symmetry direction orientation diffusions.Therefore the light-emitting surface of this micro-structure is two symmetry directions,
This both direction glazed thread increases, and brightness increases.By use of the invention in LCD backlight source technology, liquid crystal can be made
Emergent ray of the showing device on two symmetry directions increases, and brightness increases, and the Luminance Distribution of similar " batswing tab " is presented, reaches
Orient the purpose of diffusion.Light made from the present embodiment is by orienting the spatial brightness distribution map after spreading microstructured optical film such as
Shown in Fig. 2, spatial brightness distribution is in " batswing tab " type, and light is concentrated mainly on the two sides of normal.It should be the result shows that embodiment 1
In optical film realize orientation diffusion purpose.
Embodiment 2
A kind of orientation diffusion microstructured optical film, structural schematic diagram is as shown in figure 3, in 1 one side of PET resin substrate
PMMA layers of coating, PMMA layers form V-groove structure 2 by coining production.V-groove structure 2 is micro- by two identical right-angled trapeziums
Structure composition, and all in the same face, it is in symmetric design.The height of right-angled trapezium micro-structure is 0.08mm, the micro- knot of right-angled trapezium
The bottom edge length of structure is 0.11mm, and the bevel edge base angle angle of right-angled trapezium micro-structure is 49 °, between adjacent V-groove structure 2 away from
From for 0.051mm.This right-angled trapezium micro-structure can be such that light is deflected towards the side of normal, in the V-type of symmetric design
Slot structure 2 can make light towards two symmetry direction orientation diffusions.Therefore the light-emitting surface of this micro-structure is two symmetry directions,
Increase in this both direction glazed thread, brightness increases.By use of the invention in LCD backlight source technology, liquid crystal can be made
Emergent ray of the display device on two symmetry directions increases, and brightness increases, and the Luminance Distribution of similar " batswing tab " is presented, reaches
To the purpose of orientation diffusion.Light made from the present embodiment passes through the spatial brightness distribution map after orientation diffusion microstructured optical film
As shown in figure 3, the distribution of its spatial brightness is in " batswing tab " type, light is concentrated mainly on the two sides of normal.It should be the result shows that implementing
Optical film in example 2 realizes the purpose of orientation diffusion.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (6)
1. a kind of orientation spreads microstructured optical film, which is characterized in that the orientation diffusion microstructured optical film includes PET resin
Substrate (1) and the PMMA layer for being fixed on PET resin substrate (1) surface, the PMMA layers of repressed formation are multiple from left-hand
The V-groove structure (2) that the right side is sequentially arranged；
The V-groove structure (2) is symmetrically made of two right-angled trapezium micro-structures, the bevel edge of two right-angled trapezium micro-structures
It is oppositely arranged.
2. orientation according to claim 1 spreads microstructured optical film, which is characterized in that multiple V-groove structures (2)
Equidistant interval is arranged from left to right.
3. orientation according to claim 2 spreads microstructured optical film, which is characterized in that two adjacent V-grooves
The distance between structure (2) is 0.04-0.06mm.
4. orientation according to claim 1 spreads microstructured optical film, which is characterized in that the right-angled trapezium micro-structure
Height is 0.08-0.1mm.
5. orientation according to claim 1 spreads microstructured optical film, which is characterized in that the right-angled trapezium micro-structure
Bottom edge length is 0.11-0.14mm.
6. orientation according to claim 1 spreads microstructured optical film, which is characterized in that the right-angled trapezium micro-structure
Bevel edge base angle angle is 40-50 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476802.2A CN110161603B (en) | 2019-06-03 | 2019-06-03 | Oriented diffusion microstructured optical film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910476802.2A CN110161603B (en) | 2019-06-03 | 2019-06-03 | Oriented diffusion microstructured optical film |
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| Publication Number | Publication Date |
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| CN110161603A true CN110161603A (en) | 2019-08-23 |
| CN110161603B CN110161603B (en) | 2021-06-15 |
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| CN201910476802.2A Active CN110161603B (en) | 2019-06-03 | 2019-06-03 | Oriented diffusion microstructured optical film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015934A (en) * | 2019-08-29 | 2021-06-22 | 京东方科技集团股份有限公司 | Polaroid, display panel and display device |
| CN113934057A (en) * | 2021-10-28 | 2022-01-14 | 武汉华星光电技术有限公司 | Display device |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766704A (en) * | 2004-10-29 | 2006-05-03 | 清华大学 | Light guide panel and surface emitting device |
| JP2010054995A (en) * | 2008-08-29 | 2010-03-11 | Toppan Printing Co Ltd | Lens sheet, backlight unit and display apparatus |
| CN101796344A (en) * | 2007-09-10 | 2010-08-04 | 夏普株式会社 | Backlight |
| CN202008539U (en) * | 2011-03-04 | 2011-10-12 | 常州市欧密格电子科技有限公司 | Light guide plate of digital camera |
| CN102866536A (en) * | 2011-07-05 | 2013-01-09 | 奇美实业股份有限公司 | Liquid crystal display |
| CN202852682U (en) * | 2011-09-20 | 2013-04-03 | 美蓓亚株式会社 | Light distribution control component and lighting device using same |
| CN103984048A (en) * | 2013-07-30 | 2014-08-13 | 友达光电股份有限公司 | Optical diaphragm and display device containing same |
| WO2014205027A1 (en) * | 2013-06-19 | 2014-12-24 | Bright View Technologies Corporation | Microstructure-based optical diffusers for creating batwing and other lighting patterns |
| CN105020674A (en) * | 2014-04-29 | 2015-11-04 | 财团法人工业技术研究院 | Light source device |
| CN106662794A (en) * | 2014-06-26 | 2017-05-10 | 皇家飞利浦有限公司 | Led lighting unit |
| CN106896575A (en) * | 2017-03-03 | 2017-06-27 | 京东方科技集团股份有限公司 | Micro-structural and use its blooming piece and liquid crystal display module that double vision shows |
| CN108008576A (en) * | 2018-01-02 | 2018-05-08 | 京东方科技集团股份有限公司 | A kind of diffusion sheet and preparation method thereof, backlight module and display device |
-
2019
- 2019-06-03 CN CN201910476802.2A patent/CN110161603B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1766704A (en) * | 2004-10-29 | 2006-05-03 | 清华大学 | Light guide panel and surface emitting device |
| CN101796344A (en) * | 2007-09-10 | 2010-08-04 | 夏普株式会社 | Backlight |
| JP2010054995A (en) * | 2008-08-29 | 2010-03-11 | Toppan Printing Co Ltd | Lens sheet, backlight unit and display apparatus |
| CN202008539U (en) * | 2011-03-04 | 2011-10-12 | 常州市欧密格电子科技有限公司 | Light guide plate of digital camera |
| CN102866536A (en) * | 2011-07-05 | 2013-01-09 | 奇美实业股份有限公司 | Liquid crystal display |
| CN202852682U (en) * | 2011-09-20 | 2013-04-03 | 美蓓亚株式会社 | Light distribution control component and lighting device using same |
| WO2014205027A1 (en) * | 2013-06-19 | 2014-12-24 | Bright View Technologies Corporation | Microstructure-based optical diffusers for creating batwing and other lighting patterns |
| CN103984048A (en) * | 2013-07-30 | 2014-08-13 | 友达光电股份有限公司 | Optical diaphragm and display device containing same |
| CN105020674A (en) * | 2014-04-29 | 2015-11-04 | 财团法人工业技术研究院 | Light source device |
| CN106662794A (en) * | 2014-06-26 | 2017-05-10 | 皇家飞利浦有限公司 | Led lighting unit |
| CN106896575A (en) * | 2017-03-03 | 2017-06-27 | 京东方科技集团股份有限公司 | Micro-structural and use its blooming piece and liquid crystal display module that double vision shows |
| CN108008576A (en) * | 2018-01-02 | 2018-05-08 | 京东方科技集团股份有限公司 | A kind of diffusion sheet and preparation method thereof, backlight module and display device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113015934A (en) * | 2019-08-29 | 2021-06-22 | 京东方科技集团股份有限公司 | Polaroid, display panel and display device |
| CN113015934B (en) * | 2019-08-29 | 2024-01-05 | 京东方科技集团股份有限公司 | Polarizer, display panel and display device |
| CN113934057A (en) * | 2021-10-28 | 2022-01-14 | 武汉华星光电技术有限公司 | Display device |
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| Publication number | Publication date |
|---|---|
| CN110161603B (en) | 2021-06-15 |
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