CN104181626A - Polaroid, manufacturing method of polaroid and displayer comprising polaroid - Google Patents
Polaroid, manufacturing method of polaroid and displayer comprising polaroid Download PDFInfo
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- CN104181626A CN104181626A CN201410432654.1A CN201410432654A CN104181626A CN 104181626 A CN104181626 A CN 104181626A CN 201410432654 A CN201410432654 A CN 201410432654A CN 104181626 A CN104181626 A CN 104181626A
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- polaroid
- adhesive phase
- blue light
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- light absorption
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Abstract
The invention provides a polaroid. The polaroid comprises an optical retardation film layer, a first adhesive layer and a polarization layer, wherein the first adhesive layer is located on the optical retardation film layer, the polarization layer is located on the first adhesive layer, and the first adhesive layer comprises blue light absorption materials. The invention further provides a manufacturing method of the polaroid and a displayer comprising the polaroid. According to the polaroid, due to the fact that the blue light absorption materials are doped in the first adhesive layer, the transmittance of blue light with the wavelength smaller than 435 nm is reduced to a greater extent; due to the fact that the polaroid is attached to an OLED display screen, the blue light entering the eyes of a person through the display screen can be reduced, and damage, caused by the blue light, to the eyes of the person is reduced.
Description
Technical field
The present invention relates to a kind of polaroid, be specially and a kind ofly can filter polaroid, the preparation method of blue light and the display that comprises this polaroid.
Background technology
The OLED (organic electroluminescence device) that shows product for a new generation has plurality of advantages, but based on its principle of luminosity, inevitably can launch the blue light of short wavelength's (<435nm wavelength).And medical findings in recent years shows, the blue light of shorter wavelength can produce irreversible damage to people's retina, blue light can accelerate the cellular oxidation in macula retinae district, excessive exposure even can damage cellula visualis, if macular area Long Term Contact blue light, when meeting increase is old there is the risk of ARM in eyes, even likely causes eyesight forever impaired.Therefore the short wavelength's blue light ingredient, how solving in OLED just becomes the key point whether OLED can enter in more healthy mode mobile subscriber's selection.
For the problems referred to above, prior art adopts the mode of plated film to solve more, and the patent that is CN 201666984 U as Granted publication number provides a kind of anti-blue-light polarized light lens, blue light cutoff filter and light polarizing film, consists of, wherein, blue light cutoff filter adopts plastics filter to make.But this film more complicated, cost is higher; And Mobile phone screen is more and more thinner at present, such formation also can increase the thickness of whole mobile phone.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of polaroid, comprise optical delay lamella; The first adhesive phase, is positioned on described optical delay lamella; Polarizing layer, is positioned on described the first adhesive phase; Wherein, described the first adhesive phase comprises blue light absorption material.
According to an embodiment of the present invention, also comprise the second adhesive phase, described the second adhesive phase and described the first adhesive phase lay respectively at the relative both sides of described optical delay lamella.
According to another embodiment of the present invention, described the second adhesive phase comprises blue light absorption material.
According to another embodiment of the present invention, described blue light absorption material is rare earth oxide.
According to another embodiment of the present invention, described rare earth oxide is selected from the potpourri of holimium oxide or praseodymium oxide and three oxidation two rubidiums.
According to another embodiment of the present invention, described in described the first adhesive phase or described the second adhesive phase, the content of blue light absorption material is 3～9vol%.
According to another embodiment of the present invention, described the first adhesive phase or described the second adhesive phase also include acid spreading agent.
According to another embodiment of the present invention, described acid spreading agent comprises TMAH.
According to another embodiment of the present invention, described in described the first adhesive phase or described the second adhesive phase, the content of acid spreading agent is 0.03～0.3vol%.
The present invention also provides a kind of preparation method of polaroid, comprises, a polarizing layer is provided; On described polarizing layer, apply the first bonding agent; Described polarizing layer is fitted by described the first bonding agent and an optical delay sheet; Wherein, in described the first bonding agent uniformly doped with blue light absorption material.
According to an embodiment of the present invention, in described the first bonding agent, the content of blue light absorption material is 3～9vol%.
According to another embodiment of the present invention, in described the first bonding agent also doped with the acid spreading agent of 0.03～0.3vol%.
The present invention further provides a kind of display of organic electroluminescence, comprised, first substrate; Tft layer, is positioned on described first substrate; Second substrate, is positioned on described tft layer; Organic electroluminescence device, is formed between described tft layer and described second substrate, and described organic electroluminescence device has a luminous exit direction, and described luminous exit direction is first substrate or described second substrate described in outgoing at least; And polaroid, be arranged on the first substrate or second substrate of described luminous exit direction; Wherein, the polaroid that described polaroid is above-mentioned any one.
The present invention further provides a kind of bonding agent, comprised blue light absorption material.
According to an embodiment of the present invention, the content of described blue light absorption material is 3～9vol%.
According to another embodiment of the present invention, described blue light absorption material is rare earth oxide.
According to another embodiment of the present invention, described rare earth oxide is selected from the potpourri of holimium oxide or praseodymium oxide and three oxidation two rubidiums.
The present invention further provides a kind of display, comprised the bonding agent of above-mentioned any one, described bonding agent is for filtering from least part of blue light of the light of described display outgoing.
Polaroid of the present invention is by the blue light absorption material that adulterates in the first adhesive phase, reduced to a great extent the transmitance of the blue light below 435nm wavelength, by polarizer sheet sticking of the present invention in OLED display screen, can reduce the blue light that enters human eye by display screen, reduce the harm that blue light causes human eye.
Accompanying drawing explanation
Fig. 1 is the structural representation of the polaroid of one embodiment of the invention;
Fig. 2 is that the light of 410nm～530nm wavelength passes through the intensity spectrogram after comparative example and embodiment 1 to 2 prepared polaroid;
Fig. 3 is the structural representation of display of organic electroluminescence that includes the polaroid of one embodiment of the invention.
Embodiment
The exemplary embodiments that embodies feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various variations on different embodiment, it neither departs from the scope of the present invention, and explanation wherein and to be shown in be when the use that explain in essence, but not in order to limit the present invention.
As shown in Figure 1, the polaroid 30 of an embodiment of the present invention, comprises, optical delay lamella 2 (retard); The first adhesive phase 3, is positioned on optical delay lamella 2; Polarizing layer, be positioned on the first adhesive phase 3, polarizing layer comprises the first poly-cellulose triacetate layer 4 (TAC1), polyvinyl alcohol layer 5 (PVA), the second poly-cellulose triacetate layer 6 (TAC2) setting gradually, and the first poly-cellulose triacetate layer 4 is positioned on the first adhesive phase 3; Wherein, the first adhesive phase 3 comprises blue light absorption material.
In the present invention, also can comprise that the second adhesive phase 1, the second adhesive phase 1 and the first adhesive phase 3 lay respectively at the relative both sides of optical delay lamella 2, and polaroid 30 is attached at display or other object by the second adhesive phase 1.
In the present invention, blue light absorption material is not limited to be entrained in the first adhesive phase 3, and it also can be doped in the second adhesive phase 1.
In the present invention, blue light absorption material can be rare earth oxide, and it can be a kind of rare earth oxide, and for example holimium oxide, can be also the combination of two or more rare earth oxide, for example the potpourri of praseodymium oxide and three oxidation two rubidiums.
The present invention is not particularly limited the material of the second adhesive phase 1, optical delay lamella 2, the first adhesive phase 3, for example the first adhesive phase 3 can be the polyvinyl alcohol (PVA) hydrosol, optical delay lamella 2 can be 1/4th optical wave plates of PC (polycarbonate) or COP class material, the second adhesive phase 1 can be pressure sensitive adhesive (PSA), and pressure sensitive adhesive used can be the combination of acrylic acid series polymeric compounds, isocyanate-based crosslinking chemical, silane coupling agent etc.
In the present invention, the content of blue light absorption material is preferably 3～9vol%, and the volume of the first or second adhesive phase of take is benchmark, and for example, blue light absorption material can be the 6vol% of the first adhesive phase 3.
In the present invention, for promoting the dispersion effect of blue light absorption material in the second adhesive phase 1 or the first adhesive phase 3, also can add wherein acid spreading agent.The acid spreading agent adding can be Tetramethylammonium hydroxide (TMAH), and the content of acid spreading agent can be 0.03～0.3vol%, and the volume of the first or second adhesive phase of take is benchmark.
The present invention is not particularly limited the thickness of each layer of polaroid, and wherein, the second adhesive phase 1 can be 5-25 μ m, preferably 15 μ m; Optical delay lamella 2 can be 30-70 μ m, preferably 50 μ m; The first adhesive phase 3 can be 5-20 μ m, preferably 10 μ m; The first poly-cellulose triacetate layer 4 and the second poly-cellulose triacetate layer 6 can be 10-60 μ m, preferably 40 μ m; Polyvinyl alcohol layer 5 can be 10-30 μ m, preferably 20 μ m.
The present invention does not limit the preparation method of polaroid, in one embodiment of the present invention, is prepared as follows polaroid:
One PVA diaphragm is provided, on the two sides of PVA diaphragm, covers respectively TAC1 film and TAC2 film; On TAC2 film, apply the first bonding agent; To be coated with the TAC2 film of the first bonding agent and a surface of 1/4th optical delay sheets fits; Another surface at optical delay sheet applies the second bonding agent, and wherein, in the first bonding agent, uniformly doped with the blue light absorption material of 3～9vol%, the first bonding agent can be the polyvinyl alcohol (PVA) hydrosol.
Also blue light absorption material can adulterate in the second bonding agent.Wherein, the second bonding agent can be pressure sensitive adhesive.
For blue light absorption material is uniformly distributed in the first bonding agent, the second bonding agent, also can be to the acid spreading agent that adds 0.03～0.3vol% in bonding agent.
The present invention also provides a kind of bonding agent, comprises blue light absorbent.Wherein, the content of blue light absorption material is preferably 3～9vol%, and the volume of bonding agent of take is benchmark.Blue light absorption material can be rare earth oxide, and it can be a kind of rare earth oxide, holimium oxide for example, combination that also can two or more rare earth oxide, for example potpourri of praseodymium oxide and three oxidation two rubidiums.Bonding agent of the present invention does not limit playing the material of adhesive effect, and for example it can be the polyvinyl alcohol (PVA) hydrosol.
As shown in Figure 3, the present invention further provides a kind of display of organic electroluminescence, comprise first substrate 10, tft layer 20 is positioned on first substrate 10, second substrate 40 is positioned on tft layer 20, organic electroluminescence device 30 is formed between tft layer 20 and second substrate 40, organic electroluminescence device 30 has a luminous exit direction, luminous exit direction is outgoing first substrate 10 or second substrate 40 at least, and polaroid 50 sets gradually along the exit direction of organic electroluminescence device 30 light emitted lines.Specifically, when the exit direction of organic electroluminescence device 30 emitted lights is directive second substrate 40 direction, polaroid 50 can attach and be arranged on second substrate 40 with respect to the opposite side of organic electroluminescence device 30, in addition, when the exit direction of organic electroluminescence device 30 emitted lights is directive first substrate 10 direction, 50 of polaroids can be arranged on first substrate 10 with respect to the opposite side of organic electroluminescence device 30, absorb the effect of predetermined band blue light to bring into play polaroid of the present invention.
Below, by specific embodiment, polaroid of the present invention and preparation method thereof is described further:
Comparative example
One PVA diaphragm is provided, after dyeing with iodine or dyestuff system, does uniaxial extension, form polarisation and carry out again the laminating of PVA and TAC; On the two sides of PVA diaphragm, cover respectively TAC1 film and TAC2 film; The coating polyethylene alcohol hydrosol on TAC2 film; To be coated with the TAC2 film of the above-mentioned hydrosol and a surface of 1/4th optical delay sheets fits, on another surface of optical delay sheet, apply pressure sensitive adhesive, obtain polaroid A.
Embodiment 1
In the present embodiment, the preparation method of polaroid and the raw material of use are identical with comparative example, therefore omitted the explanation of constructed content, the difference of itself and comparative example is, the blue light absorption material oxidation holmium that has added equally distributed 6vol% in the polyvinyl alcohol (PVA) hydrosol, obtains polaroid B by the present embodiment.
Embodiment 2
In the present embodiment, the preparation method of polaroid and the raw material of use are identical with comparative example, therefore omitted the explanation of constructed content, the difference of itself and comparative example is, in the polyvinyl alcohol (PVA) hydrosol, add the blue light absorption material oxidation holmium of equally distributed 6vol% and the acid spreading agent TMAH of 0.1vol%, by the present embodiment, obtained polaroid C.
Fig. 2 is that the light of 410nm～530nm wavelength coverage under the same terms passes through the intensity spectrogram after the polaroid C of the polaroid A of comparative example, the polaroid B of embodiment 1 and embodiment 2.As can be seen from the figure, along with adding of blue light absorption material and spreading agent in polaroid, the blue light below 435nm wavelength is by the strength decreased after polaroid.
Test result and Fig. 2 of other embodiment of polaroid of the present invention are similar, therefore economize the description of decorrelation polaroid and test result at this.
Polaroid of the present invention is by the blue light absorption material that adulterates in adhesive phase, reduced to a great extent the transmitance of the blue light below 435nm wavelength, by polarizer sheet sticking of the present invention in OLED display screen, can reduce the blue light that enters human eye by display screen, reduce the harm that blue light causes human eye.
Unless be particularly limited, term used herein is the implication that those skilled in the art understand conventionally.
Embodiment described in the invention is only for exemplary purpose; not in order to limit the scope of the invention, those skilled in the art can make various other replacements, changes and improvements within the scope of the invention, thereby; the invention is not restricted to above-mentioned embodiment, and be only defined by the claims.
Claims (13)
1. a polaroid, comprises
Optical delay lamella;
The first adhesive phase, is positioned on described optical delay lamella;
Polarizing layer, is positioned on described the first adhesive phase;
Wherein, described the first adhesive phase comprises blue light absorption material.
2. according to the polaroid of claim 1, wherein, also comprise the second adhesive phase, described the second adhesive phase and described the first adhesive phase lay respectively at the relative both sides of described optical delay lamella.
3. according to the polaroid of claim 2, wherein, described the second adhesive phase comprises described blue light absorption material.
4. according to the polaroid of claim 1 or 3, wherein, described blue light absorption material is rare earth oxide.
5. according to the polaroid of claim 4, wherein, described rare earth oxide is selected from the potpourri of holimium oxide or praseodymium oxide and three oxidation two rubidiums.
6. according to the polaroid of claim 1 or 3, wherein, described in described the first adhesive phase or described the second adhesive phase, the content of blue light absorption material is 3～9vol%.
7. according to the polaroid of claim 6, wherein, described the first adhesive phase or described the second adhesive phase also include acid spreading agent.
8. according to the polaroid of claim 7, wherein, described acid spreading agent comprises TMAH.
9. according to the polaroid of claim 7, wherein, described in described the first adhesive phase or described the second adhesive phase, the content of acid spreading agent is 0.03～0.3vol%.
10. a preparation method for polaroid, comprises,
One polarizing layer is provided;
On described polarizing layer, apply the first bonding agent;
Described polarizing layer is fitted by described the first bonding agent and an optical delay sheet;
Wherein, in described the first bonding agent uniformly doped with blue light absorption material.
11. according to the method for claim 10, and wherein, in described the first bonding agent, the content of blue light absorption material is 3～9vol%.
12. according to the method for claim 10 or 11, wherein, in described the first bonding agent also doped with the acid spreading agent of 0.03～0.3vol%.
13. 1 kinds of display of organic electroluminescence, comprise,
First substrate;
Tft layer, is positioned on described first substrate;
Second substrate, is positioned on described tft layer;
Organic electroluminescence device, is formed between described tft layer and described second substrate, and described organic electroluminescence device has a luminous exit direction, and described luminous exit direction is first substrate or described second substrate described in outgoing at least; And
Polaroid, is arranged on the first substrate or second substrate of described luminous exit direction;
Wherein, described polaroid is the polaroid of any one in claim 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410432654.1A CN104181626A (en) | 2014-08-29 | 2014-08-29 | Polaroid, manufacturing method of polaroid and displayer comprising polaroid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410432654.1A CN104181626A (en) | 2014-08-29 | 2014-08-29 | Polaroid, manufacturing method of polaroid and displayer comprising polaroid |
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| CN105093377A (en) * | 2015-09-17 | 2015-11-25 | 京东方科技集团股份有限公司 | Blue ray attenuation device and preparation method, base plate, displayer and intelligent wearable product |
| CN105842903A (en) * | 2015-02-03 | 2016-08-10 | 住友化学株式会社 | Polarizing plate, liquid crystal panel and liquid crystal display device |
| CN106371240A (en) * | 2015-07-22 | 2017-02-01 | 乐金显示有限公司 | Display apparatus and polarizer thereof |
| CN106772753A (en) * | 2015-11-25 | 2017-05-31 | 上海和辉光电有限公司 | Rotatory polarization piece and its organic light-emitting display device |
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| CN104793280A (en) * | 2015-04-23 | 2015-07-22 | 深圳市华星光电技术有限公司 | Polarizer, quantum effect based display panel and display device |
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| CN107085257A (en) * | 2016-02-12 | 2017-08-22 | 住友化学株式会社 | Optical film |
| CN107085257B (en) * | 2016-02-12 | 2021-06-01 | 住友化学株式会社 | Optical film |
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| CN108303762A (en) * | 2017-01-13 | 2018-07-20 | 三星Sdi株式会社 | Polarizer for luminous display unit and the luminous display unit including it |
| CN108303762B (en) * | 2017-01-13 | 2021-09-21 | 三星Sdi株式会社 | Polarizing plate for light emitting display device and light emitting display device including the same |
| CN110133785A (en) * | 2018-02-09 | 2019-08-16 | 住友化学株式会社 | Circularly polarizing plate and optical display means |
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| CN108776363A (en) * | 2018-04-23 | 2018-11-09 | 深圳市运宝莱光电科技有限公司 | A kind of anti-blue light polaroid and preparation method thereof |
| CN110922905A (en) * | 2019-12-10 | 2020-03-27 | 厦门理工学院 | Flexible light complex film |
| CN110922905B (en) * | 2019-12-10 | 2022-04-26 | 厦门理工学院 | Flexible light complex film |
| CN112885880A (en) * | 2021-01-21 | 2021-06-01 | 合肥维信诺科技有限公司 | Display device and manufacturing method thereof |
| CN113534523A (en) * | 2021-06-25 | 2021-10-22 | 北海惠科光电技术有限公司 | Color film substrate and manufacturing method thereof |
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Application publication date: 20141203 |