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CN106814418A - Polarizing plate and display device - Google Patents

Polarizing plate and display device Download PDF

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Publication number
CN106814418A
CN106814418A CN201610287310.5A CN201610287310A CN106814418A CN 106814418 A CN106814418 A CN 106814418A CN 201610287310 A CN201610287310 A CN 201610287310A CN 106814418 A CN106814418 A CN 106814418A
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CN
China
Prior art keywords
micro
polarizer
structurals
protective layer
structural
Prior art date
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Pending
Application number
CN201610287310.5A
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Chinese (zh)
Inventor
梁辉鸿
蓝英哲
蔡志豪
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Sumika Technology Co Ltd
Original Assignee
Sumika Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumika Technology Co Ltd filed Critical Sumika Technology Co Ltd
Publication of CN106814418A publication Critical patent/CN106814418A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3025Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
    • G02B5/3041Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
    • G02B5/305Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Polarising Elements (AREA)

Abstract

一种偏光板与显示装置。偏光板包括相对的一胶面与一非胶面。非胶面具有排列的多个微结构。显示装置包括:一背光源、一显示面板以及上述的偏光板,该偏光板配置在该背光源与该显示面板之间,该偏光板的该些微结构是朝向该背光源。

A polarizing plate and display device. The polarizing plate includes an opposite rubber side and a non-glue side. The non-glue surface has multiple microstructures arranged. The display device includes: a backlight source, a display panel and the above-mentioned polarizing plate. The polarizing plate is arranged between the backlight source and the display panel. The microstructures of the polarizing plate face the backlight source.

Description

Polarizer and display device
Technical field
The present invention relates to a kind of Polarizer, and more particularly to a kind of display device with Polarizer.
Background technology
Backlight display device is generally required and obtains expected display using the optical film material of multiple not same-actions Effect.But the thinning trend of the display device that the respective thickness of membrane material hinders with technique, and improve answering for technique Miscellaneous degree and cost.
The content of the invention
In view of this, filled it is an object of the invention to provide a kind of Polarizer or using the display of this Polarizer Put.Polarizer has extra optical effect, and process is simple.Display device using this Polarizer can subtract The usage quantity of few optical film material, and technique and low cost with relatively thin thickness, simplification.
An embodiment of the invention, proposes a kind of Polarizer, and it includes a relative glue surface and a non-glue Face.Non- glue surface has multiple micro-structurals of arrangement.
According to another embodiment of the present invention, a kind of display device is proposed, it includes a backlight, a display Panel and a Polarizer.Polarizer includes a relative glue surface and a non-glue surface.Non- glue surface has multiple arrangement Micro-structural.Polarizer is configured between backlight and display panel.The micro-structural of Polarizer is directed towards backlight Source.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as to of the invention Limit.
Brief description of the drawings
Fig. 1 illustrates the sectional view of the Polarizer according to an embodiment;
Fig. 2 illustrates the sectional view of the Polarizer according to another embodiment;
Fig. 3 illustrates the arrangement mode of the micro-structural according to an embodiment;
Fig. 4 illustrates the arrangement mode of the micro-structural according to another embodiment;
Fig. 5 illustrates the arrangement mode of the micro-structural according to still another embodiment;
Fig. 6 illustrates the arrangement mode of the micro-structural according to another embodiment;
Fig. 7 illustrates the sectional view of the Polarizer according to an embodiment;
Fig. 8 illustrates the arrangement mode of the micro-structural according to an embodiment;
Fig. 9 illustrates the sectional view of the Polarizer according to an embodiment;
Figure 10 illustrates the manufacture method of the Polarizer according to an embodiment;
Figure 11 illustrates the display device according to an embodiment;
Figure 12 illustrates the display device according to a comparative example;
Figure 13 illustrates the display device according to an embodiment;
Figure 14 illustrates the display device according to a comparative example.
Wherein, reference
102:Polarisation
103:First surface
105:First surface
104A、104B:Protective layer
106:First adhesion layer
108A、108B、108C:Micro-structural
110:Second adhesion layer
112:Optical film material
400:Polarisation tunic
440:Mobile platform
442:Shower nozzle
446:Light source
500、570、600、670:Polarizer
550、650:Backlight
552、652:Light guide plate
554:Second brightness enhancement film
556:First brightness enhancement film
654:Brightness enhancement film
558、658:Diffusion barrier
560、660:Display panel
D:Width
H:Highly
Specific embodiment
Structural principle of the invention and operation principle are described in detail below in conjunction with the accompanying drawings:
The Polarizer of embodiments of the invention has micro-structural, therefore except polarization effect, moreover it is possible to cause other Extra optical effect, such as brightening effect, diffusion effect etc., therefore apply in display device, can subtract The usage quantity of few other optical films, optical film for example can be applicable to the brightness enhancement film of backlight module (Brightness Enhance Film;) or diffusion barrier (Diffuser Film) etc. BEF.This is integrated Polarizing plate making method is simple, can reduce the quantity of optical film, reaches thinning apparatus, reduces manufacturing cost Advantage.
In the following description, same or similar element is with same or similar symbology.
Fig. 1 illustrates the sectional view of the Polarizer according to an embodiment.Polarizer may include polarisation 102, One first protective layer 104A, one second protective layer 104B and one first adhesion layer 106.First protective layer 104A With relative two table that the second protective layer 104B can be attached to polarisation 102 by articulamentum (not illustrating) respectively On face.First adhesion layer 106 is formed in 103 on the first surface of the first protective layer 104A.Multiple micro- knots Structure 108A is that 105 on the first surface of the second protective layer of directly contact 104B, in an embodiment, second protects The first surface 105 of sheath 104B is a flat surface.In the present embodiment, above-mentioned first protective layer 104A First surface 103 do not contact polarisation 102 with the first surface 105 of the second protective layer 104B.First Part that adhesion layer 106 exposes forms a glue surface of Polarizer, and expose do not have adhesive properties and with micro- The surface of structure 108A, forms a non-glue surface of Polarizer.
Polarisation 102 can be polyvinyl alcohol (PVA) resin film, and it can be by saponified poly resin-made .The example of polyvinyl acetate resin includes single polymer of vinyl acetate, i.e. polyvinyl acetate, and vinegar The co-polymer of sour ethene and other the monomer of combined polymerization can be carried out with vinyl acetate.Other energy and vinyl acetate The example for carrying out the monomer of combined polymerization includes unsaturated carboxylic acid (such as acrylic acid, methacrylic acid, acrylic acid Ethyl ester, positive propyl acrylate, methyl methacrylate), alkene (such as ethene, propylene, 1- butylene, 2- First propylene), vinethene (such as ethyl vinyl ether, ethylene methacrylic ether, n-propyl vinethene, isopropyl-ethylene Ether), unsaturated sulfonic acid (such as vinyl sulfonic acid, sodium vinyl sulfonate) etc..
First protective layer 104A, the material of the second protective layer 104B can be respectively selected from by poly-methyl methacrylate Ester (Polymethylmethacrylate, PMMA), trimerization cellulose acetate (Triacetyl Cellulose, TAC), acrylic resin film, poly aromatic hydroxyl resin film, polyether resin film, cyclic polyolefin resin film be (for example Poly- bornylene resin film), polyester (Polyethylene Terephthalate, PET), polypropylene (Polypropylene, PP), cyclic olefin polymer (Cyclo Olefin Polymer, COP), poly- carbonic acid The group that ester (Polycarbonate, PC) and above-mentioned any combination are constituted.
The difference of Fig. 2 and Fig. 1 is essentially consisted in, and Polarizer further includes an optical film material 112, and it can be by Two adhesion layers 110 are sticked together on the second protective layer 104B, and micro-structural 108A is to be in direct contact with optical film On the even curface of material 112.In one embodiment, optical film material 112 refer to optical gain, orientation, Compensation, steering, orthogonal, diffusion, protection, anti-stick, scratch resistance, anti-dizzy, reflection suppression, high index of refraction etc. The layer benefited, may be, for example, have the control characteristic such as viewing angle compensation or birefringence (birefraction) Alignment liquid crystal layer, easy joining process layer, hard conating, anti-reflecting layer, anti-stick layer, diffusion layer, antiglare layer Etc. various surface-treated layers.In one embodiment, optical film material 112 can be the optical film with brightening effect. Other are, with identical symbology, to be repeated no more in this with the same or similar elements of Fig. 1.
Fig. 1 and Fig. 2 is refer to, micro-structural 108A is with semi-circular shape.It is micro- with this in embodiment The Polarizer of structure 108A can additionally cause optically focused collimating effect, reach diffusion effect.Each micro-structural 108A Width D or height H be between 10-9Rice is to 10-3Rice, is preferably between 10-6Rice is to 10-4Rice.Or, Each micro-structural 108A can have the size of micron grade, and width D is to be situated between to the ratio (D/H) of height H In 0.1 to 1.
The tunic of Polarizer of the invention is not limited to the structure shown in Fig. 1 and Fig. 2.In other embodiment also Extra film, or the film for deleting part can be used.In one embodiment, for example, the layer of Polarizer Film does not simultaneously have the second protective layer 104B as shown in Figure 1, and micro-structural 108A is directly formed at polarisation On the surface of son 102.
Fig. 3 illustrates the arrangement mode of the micro-structural according to an embodiment.From the point of view of top view, one dimensional arrangement Micro-structural 108A has the post shapes extended toward direction parallel to each other.
Fig. 4 illustrates the arrangement mode of the micro-structural according to an embodiment, its difference with the embodiment shown in Fig. 3 Different to be, the micro-structural 108A of two-dimensional arrangements can be arranged in staggered mode.
Fig. 5 illustrates the arrangement mode of the micro-structural according to an embodiment, its difference with the embodiment shown in Fig. 4 Different to be, the micro-structural 108A of two-dimensional arrangements can be arranged in the way of pattern.
Fig. 6 illustrates the arrangement mode of the micro-structural according to an embodiment, its difference with the embodiment shown in Fig. 4 Different to be, micro-structural 108A can be arranged from the diminishing progressive mode of large scale.Other are implemented Example can also other kind of uneven mode arrange, to reach the blast/diffusion etc. of specific direction/asymmetric Effect.
Fig. 7 illustrates the sectional view of the Polarizer according to an embodiment, its difference with the embodiment shown in Fig. 1 It is that micro-structural 108B has triangle.In other embodiment, the micro-structural 108B of triangle Also can apply to other polarisation tunics, situation as shown in Figure 2.In one embodiment, for example, triangle The micro-structural 108B of shape has 10~170 degree of top degree in the tip portion for most protruding, and most preferably has 80~100 degree of top degree, the Polarizer with this micro-structural 108B can additionally cause light to collimate the effect of increment Really, brightening effect is reached.
Fig. 8 illustrates the arrangement mode of the micro-structural 108B according to an embodiment.It is one-dimensional from the point of view of top view The triangle micro-structural 108B of arrangement has the post shapes extended toward direction parallel to each other.In other implementations In example, micro-structural 108B can also the mode of two dimension arrange, as shown in Figures 4 to 6, now micro-structural 108B has the zigzag fashion for gradually tapering up from bottom to up.
Fig. 9 illustrates the sectional view of the Polarizer according to an embodiment, its difference with the embodiment shown in Fig. 1 It is that micro-structural 108C has biconvex shape, the effect of lenticule can be similar to.With this micro-structural 108C Polarizer can additionally cause optically focused collimating effect, reach diffusion effect.In other embodiment, biconvex shape Micro-structural 108C can also apply to other kinds of polarisation tunic, situation as shown in Figure 2.Micro-structural The arrangement mode of 108C can be similar to described in Fig. 3 to Fig. 6, repeated no more in this.
The present invention is not limited to above example, can be directed to actual product demand and appropriate be set using other Meter.For example in other embodiment, size/shape/arrangement mode can suitably change or integrate expected to obtain Optical effect (such as single blast, diffusion effect, or integrate blast and diffusion effect).Light beyond polarisation Effect (such as blast, diffusion effect) degree can be changed by adjusting the distribution density of micro-structural.
Figure 10 illustrates the micro-structural that Polarizer is formed in spray printing mode.Polarisation tunic 400, such as with Fig. 1 Shown the first protective layer 104A, polarisation 102, the second protective layer 104B and the structure of the first adhesion layer 106 Into polarisation tunic, or with the first protective layer 104A, polarisation 102, the second protective layer as shown in Figure 2 The polarisation tunic that 104B, the first adhesion layer 106, the second adhesion layer 110 are constituted with optical film material 112, puts Put on mobile platform 440, shower nozzle 442 projects the material of specific refractive index to polarisation tunic, such as Fig. 1 The second protective layer 104B, on the surface of the optical film material 112 of 102 or Fig. 2 of polarisation, and utilize UV The irradiation hardening ink material of light source 446, thereby forms with the inclined of the micro-structural for being directly attached on polarisation tunic Tabula rasa.Opening size/the arrangement mode of shower nozzle 442 can suitably be adjusted according to the size/arrangement mode of micro-structural.
The present invention is not limited to use spray printing mode, can also gold-tinted lithography mode, physics punching press, thing The modes such as reason transfer, dripping shape micro-structural.The material of micro-structural can for example include UV acryl resins, Macromolecular material, Silica hydrogel, ethylene terephthalate (PET) etc..
Figure 11 illustrates the display device according to an embodiment, including liquid crystal display panel 560, backlight 550, With Polarizer 570 of the configuration between display panel 560 and backlight 550, the first brightness enhancement film 556, the Two brightness enhancement films 554 and light guide plate 552.Polarizer 570 has micro-structural, and micro-structural is towards in face of backlight The direction in source 550.In one embodiment, the Polarizer 570 with micro-structural is extra with diffusion light source Effect, therefore shown display device has used the diffusion barrier of additional layer compared with general design less.
Figure 12 illustrates the display device according to a comparative example, its display device with the embodiment shown in Figure 11 Between difference be that the Polarizer 500 without micro-structural only has polarization effect, therefore also needs to volume Stack diffusion barrier 558 outward.Diffusion barrier 558 is the tunic in a plane membrane material with micro-structural.In general, Polarizer 500 is directly stacked in diffusion barrier 558, i.e., do not make between Polarizer 500 and diffusion barrier 558 Binded with adhesion layer, and have the air gap between Polarizer 500 and diffusion barrier 558.
Planar film beyond embodiment compared with Figure 11, the diffusion barrier 558 of the comparative example of Figure 12 its micro-structural Material causes extra layer film thickness, therefore display device is thicker;And diffusion barrier 558 need to be with extra technique shape Into, therefore complicate the technique and cost of display device.
In other words, in an embodiment of the present invention, using the Polarizer with micro-structural can cause polarisation with Outer optical effect, therefore the quantity of optical film in display device can be reduced, and reach thinning display device, The advantage of Simplified flowsheet, reduces cost.
Figure 13 illustrates the display device according to an embodiment, including liquid crystal display panel 660, backlight 650, With Polarizer 600, brightness enhancement film 654 and leaded light of the configuration between display panel 660 and backlight 650 Plate 652.Polarizer 600 has micro-structural, and micro-structural is directed towards in face of the direction of backlight 650.One In embodiment, the Polarizer 600 with micro-structural is that additionally have the effect for spreading light source, therefore shown Display device has used the diffusion barrier of additional layer compared with general design less.
Figure 14 illustrates the display device according to a comparative example, its display device with the embodiment shown in Figure 13 Between difference be that the Polarizer 670 without micro-structural only has polarization effect, therefore also needs to volume Outer configuration diffusion barrier 658.
Planar film beyond embodiment compared with Figure 13, the diffusion barrier 658 of the comparative example of Figure 14 its micro-structural Material causes extra layer film thickness, therefore display device is thicker;And diffusion barrier 658 need to be with extra technique shape Into, therefore complicate the technique and cost of display device.In other words, in an embodiment of the present invention, make The optical effect beyond polarisation can be caused with the Polarizer with micro-structural, therefore light in display device can be reduced The quantity of film is learned, and reaches the advantage of thinning display device, Simplified flowsheet, reduces cost.
Above is illustrating this case with the Polarizer with diffusion effect.In right other embodiment, display Device also can be used the Polarizer of other optical effects, and delete corresponding optical film, reach the excellent of this case Point.Certainly, when Polarizer has more different optics effectiveness, just can correspond to and delete greater number of optics Film, and reach the device thinning effect of higher degree, technique and simplify and low cost.
According to above example, the Polarizer with micro-structural of the invention has the optics beyond polarisation simultaneously Effect.Therefore can reduce the quantity of optical film using the display device of this Polarizer, with relatively thin thickness, And process is simple, low cost.
Certainly, the present invention can also have other various embodiments, in the feelings without departing substantially from spirit of the invention and its essence Under condition, those of ordinary skill in the art work as can make various corresponding changes and deformation according to the present invention, but These corresponding changes and deformation should all belong to the protection domain of appended claims of the invention.

Claims (10)

1. a kind of Polarizer, including relative a glue surface and a non-glue surface, it is characterised in that the non-glue surface Multiple micro-structurals with arrangement.
2. Polarizer according to claim 1, it is characterised in that those micro-structurals include lenticular Shape, semi-circular shape, zigzag fashion, post shapes, triangle.
3. Polarizer according to claim 1, it is characterised in that the arrangement mode of those micro-structurals Including staggered, pattern, progressive.
4. Polarizer according to claim 1, it is characterised in that those micro-structurals cause the polarisation Plate has brightening effect and/or diffusion effect.
5. Polarizer according to claim 1, it is characterised in that the width or height of those micro-structurals Degree is between 10-9Rice is to 10-3Rice.
6. Polarizer according to claim 1, it is characterised in that the width or height of those micro-structurals Degree is between 10-6Rice is to 10-4Rice.
7. Polarizer according to claim 1, it is characterised in that those micro-structurals have micron etc. The size of level, and/or the width of those micro-structurals is between 0.1 to 1 to the ratio of height.
8. Polarizer according to claim 1, it is characterised in that including:
One polarisation;
One first protective layer and one second protective layer, are attached on the apparent surface of polarisation respectively;And
One first adhesion layer, sticks together on the surface of first protective layer, to form a glue surface, wherein those Micro-structural is directly formed on the surface of non-glue surface of second protective layer.
9. Polarizer according to claim 1, it is characterised in that including:
One polarisation;
One first protective layer and one second protective layer, are attached on the apparent surface of polarisation respectively;
One first adhesion layer, sticks together on the surface of first protective layer, to form a glue surface;And
One optical film material, sticks together on second protective layer, and wherein those micro-structurals are directly formed at the light On the surface of the non-glue surface for learning membrane material.
10. a kind of display device, it is characterised in that including:
One backlight;
One display panel;And
Polarizer as described in one of claim 1 to 9, configuration is in the backlight and the display surface Between plate, those micro-structurals of the Polarizer are directed towards the backlight.
CN201610287310.5A 2015-11-27 2016-05-03 Polarizing plate and display device Pending CN106814418A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW104139727 2015-11-27
TW104139727A TWI581013B (en) 2015-11-27 2015-11-27 Polarizing plate and display device

Publications (1)

Publication Number Publication Date
CN106814418A true CN106814418A (en) 2017-06-09

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TW (1) TWI581013B (en)

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CN102169202A (en) * 2005-09-16 2011-08-31 财团法人工业技术研究院 Brightening module and light source device
CN202267753U (en) * 2011-08-25 2012-06-06 祐鼎化工有限公司 Enhancement film structure
CN202735533U (en) * 2012-10-26 2013-02-13 深圳市冠恒电子有限公司 Composite optical film and backlight module using same
CN103513317A (en) * 2012-06-28 2014-01-15 鑫成科技(成都)有限公司 Polarizer and liquid crystal display device

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CN102169202A (en) * 2005-09-16 2011-08-31 财团法人工业技术研究院 Brightening module and light source device
KR20070069512A (en) * 2005-12-28 2007-07-03 삼성정밀화학 주식회사 Integrated broadband reflective high brightness polarizer with diffusion pattern, manufacturing method thereof and liquid crystal display device having same
US20080273144A1 (en) * 2007-05-02 2008-11-06 Industrial Technology Research Institute Diffusing polarizer and backlight module using the same
CN202267753U (en) * 2011-08-25 2012-06-06 祐鼎化工有限公司 Enhancement film structure
CN103513317A (en) * 2012-06-28 2014-01-15 鑫成科技(成都)有限公司 Polarizer and liquid crystal display device
CN202735533U (en) * 2012-10-26 2013-02-13 深圳市冠恒电子有限公司 Composite optical film and backlight module using same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108535802A (en) * 2018-04-19 2018-09-14 京东方科技集团股份有限公司 A kind of polaroid and preparation method thereof and display device

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Application publication date: 20170609