CN102662270B - Polarizing layer of liquid crystal display panel and manufacture method thereof - Google Patents
Polarizing layer of liquid crystal display panel and manufacture method thereof Download PDFInfo
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- CN102662270B CN102662270B CN201210106105.6A CN201210106105A CN102662270B CN 102662270 B CN102662270 B CN 102662270B CN 201210106105 A CN201210106105 A CN 201210106105A CN 102662270 B CN102662270 B CN 102662270B
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Abstract
The invention discloses a polarizing layer of a liquid crystal display panel and a manufacture method thereof. The method includes using polarization ultraviolet light to radiate on an ultraviolet light reactive liquid crystal layer so as to form a polarization ultraviolet light reactive liquid crystal layer as the polarizing layer. The polarizing layer has the advantages of thinness, fine thermal endurance and the like. The polarizing layer is simple in processing and low in manufacture cost.
Description
Technical field
The present invention relates to a kind of polarizing layer and manufacture method thereof of liquid crystal panel, particularly relate to a kind of polarizing layer replacing known Polarizer.
Background technology
One of fundamental parts that Polarizer (Polarizing plate) is liquid crystal display (Liquid crystal display), it is a kind of the transparent panel allowing the light therethrough of specific direction.In the process making liquid crystal panel (Liquid crystal panel), at liquid crystal panel, a Polarizer must be respectively set up and down, and insert in alternate directions, when liquid crystal layer (Liquid crystal layer) accepts external voltage control, liquid crystal display can present bright state and dark state.By this, the image display of liquid crystal display can be controlled.
The structure of known Polarizer is a multilayer film, due to polyvinyl alcohol (PVA) (Polyvinyl Alcohol, PVA) molecule extension characteristics has polarisation effect, often by as the polarisation matrix in Polarizer, its mode is stretched by PVA after film forming, all fit the optical thin film of a triacetate fiber (Triacetyl Cellulose, TAC) in lower two surfaces thereon, in order to prevent the retraction of PVA film.
Based on aforementioned structure, due to all changes such as Polarizer is the product that a multi-layer optical film is formed, the laminating degree between the material quality of each rete, the homogeneity of coating and rete because of, all will affect the character of Polarizer finished product.In addition, the environment for use of Polarizer also can affect its life-span, under hot environment, the size of Polarizer can be caused to produce contraction change, and then cause the adhesive agent for Polarizer of fitting easily to foam, peel off or cause the phenomenons such as light leak.
Therefore, be necessary to provide a kind of polarizing layer replacing known Polarizer, solve the problem existing for known technology.
Summary of the invention
In view of this, the invention provides a kind of polarizing layer and manufacture method thereof of liquid crystal panel, to improve problem existing in known technology.
Fundamental purpose of the present invention is the polarizing layer and the manufacture method thereof that provide a kind of liquid crystal panel, it is by polarization UV-irradiation one ultraviolet light reactive liquid crystalline layer, make it be formed as polarization ultraviolet light reactive liquid crystalline layer that one has polarized light property, and in this, as polarizing layer, polarizing layer of the present invention is except possessing the advantage such as slimming and good temperature tolerance, also possess the easy advantage of job sequence, thus reduce production cost.
For reaching above-mentioned purpose, the invention provides a kind of manufacture method of polarizing layer of liquid crystal panel, it comprises the following step:
There is provided a liquid crystal panel, it has a liquid crystal layer and is located between a pair substrate;
There is provided a rete in this liquid crystal layer and this to substrate wherein between a substrate, a surface of this rete is provided with a ultraviolet light reactive liquid crystalline layer; And
With this ultraviolet light reactive liquid crystalline layer of polarization UV-irradiation, form a polarizing layer.
In one embodiment of this invention, this rete is be selected from comprise color filter film, alignment film, transparency electrode, grid layer, gate insulation layer, source drain layer, semiconductor layer and protect in the group of insulation course.
In one embodiment of this invention, this polarization ultraviolet light is light source UV-irradiation formed through polaroid, and wherein the wavelength coverage of this ultraviolet light is between 200 how rice (nm) to 400 nm.
In one embodiment of this invention, this is respectively colored filter substrate and thin-film transistor array base-plate to substrate.
Moreover the invention provides the manufacture method of the polarizing layer of also a kind of liquid crystal panel, it comprises the following step:
There is provided a liquid crystal panel, it has a liquid crystal layer and is located between a pair substrate;
There is provided a composite film in this liquid crystal layer and this to substrate wherein between a substrate, this composite film the rete made by organic polymer is mixed ultraviolet light reactive liquid crystalline material and formed; And
With this composite film of polarization UV-irradiation, form a polarisation rete.
In one embodiment of this invention, this rete is color filter film.
In one embodiment of this invention, this composite film can be distinguished at least three regions, and also each self-contained a kind of colorant, thus form a polarisation color filter film.
In one embodiment of this invention, the illumination procedure of this polarization ultraviolet light also comprises a light shield, in order to irradiate zones of different.
In one embodiment of this invention, this polarization ultraviolet light is light source UV-irradiation formed through polaroid, and wherein the wavelength coverage of this ultraviolet light is between 200 nm to 400 nm.
In one embodiment of this invention, this is respectively colored filter substrate and thin-film transistor array base-plate to substrate.
The present invention also provides a kind of liquid crystal panel, comprise: a first substrate, a second substrate, a liquid crystal layer, one first polarizing layer and one second polarizing layer, wherein this first polarizing layer and this second polarizing layer are made by the polarization ultraviolet light reactive liquid crystalline material with polarized light property.Liquid crystal display layer is located between this first substrate and this second substrate.This first polarizing layer is located between this first substrate and this liquid crystal layer, and this second polarizing layer is then located between this second substrate and this liquid crystal layer.
In one embodiment of this invention, this first polarizing layer can be distinguished at least three regions again, and also each self-contained a kind of colorant, thus form a polarisation color filter film.
In one embodiment of this invention, this first substrate is colored filter substrate; And this second substrate is thin-film transistor array base-plate.
The polarizing layer of liquid crystal panel of the present invention and manufacture method thereof are by polarization UV-irradiation one ultraviolet light reactive liquid crystalline layer, make it be formed as polarization ultraviolet light reactive liquid crystalline layer that one has polarized light property, and in this, as polarizing layer.Compared to prior art, the present invention, except reducing the thickness of liquid crystal display, improve the temperature tolerance of liquid crystal display, also simplify job sequence, thus reduces production cost.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the manufacture method of the polarizing layer of liquid crystal panel in first embodiment of the invention.
Fig. 2 is the flow chart of steps of the manufacture method of the polarizing layer of liquid crystal panel in second embodiment of the invention.
Fig. 3 is the organigram of the first embodiment of liquid crystal panel of the present invention.
Fig. 4 is the organigram of the second embodiment of liquid crystal panel of the present invention.
Fig. 5 A is the organigram of the first pass of an embodiment of polarisation color filter film in second embodiment of the invention.
Fig. 5 B is the organigram of the second flow process of an embodiment of polarisation color filter film in second embodiment of the invention.
Fig. 5 C is the organigram of the 3rd flow process of an embodiment of polarisation color filter film in second embodiment of the invention.
Fig. 5 D is the organigram of the 4th flow process of an embodiment of polarisation color filter film in second embodiment of the invention.
Fig. 6 A is the organigram of the first pass of another embodiment of polarisation color filter film in second embodiment of the invention.
Fig. 6 B is the organigram of the second flow process of another embodiment of polarisation color filter film in second embodiment of the invention.
Fig. 6 C is the organigram of the 3rd flow process of another embodiment of polarisation color filter film in second embodiment of the invention.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, being reached object and effect, hereby illustrate below and coordinate graphic being explained in detail.
Refer to Fig. 1, it is the flow chart of steps of the manufacture method of the polarizing layer of liquid crystal panel in first embodiment of the invention, and this manufacture method comprises the following steps:
In step s 11, provide a liquid crystal panel, it has a liquid crystal layer and is located between a pair substrate.In one embodiment, this is respectively colored filter substrate and thin-film transistor array base-plate to substrate.
In step s 12, provide a rete in this liquid crystal layer and this to substrate wherein between a substrate, a surface of this rete is provided with a ultraviolet light reactive liquid crystalline layer.This rete is be selected from comprise color filter film, alignment film, transparency electrode, grid layer, gate insulation layer, source drain layer, semiconductor layer and protect in the group of insulation course.This ultraviolet light reactive liquid crystalline layer can be comprise the RM257 of Merck (Merck) company, the LC242 of BASF (BASF) company, and one of them of all kinds of ultraviolet light reactive liquid crystalline material such as the SLM 90519 of watt gram (Wacker) company.
In step s 13, with this ultraviolet light reactive liquid crystalline layer of polarization UV-irradiation, form polarizing layer.This polarization ultraviolet light is light source UV-irradiation formed through polaroid, and wherein the wavelength of this ultraviolet light is between 200 how rice (nm) to 400 nm.
Refer to Fig. 2, it is the flow chart of steps of the manufacture method of the polarizing layer of liquid crystal panel in second embodiment of the invention, and this manufacture method comprises the following steps:
In the step s 21, provide a liquid crystal panel, it has a liquid crystal layer and is located between a pair substrate.In one embodiment, this is respectively colored filter substrate and thin-film transistor array base-plate to substrate.
In step S22, provide a composite film in this liquid crystal layer and this to substrate wherein between a substrate, this composite film the rete made by organic polymer is mixed ultraviolet light reactive liquid crystalline material and formed.This rete is such as color filter film.Aforementioned ultraviolet light reactive liquid crystalline material comprises the RM257 of Merck (Merck) company, the LC242 of BASF (BASF) company, and the SLM 90519 etc. of watt gram (Wacker) company.This composite film can be distinguished at least three regions, and also each self-contained a kind of colorant, thus form polarisation color filter film.
In step S23, with this composite film of polarization UV-irradiation, form polarisation rete.This polarization ultraviolet light is light source UV-irradiation formed through polaroid, and wherein the wavelength of this ultraviolet light is between 200 nm to 400 nm.And the illumination procedure of this polarization ultraviolet light can also comprise a light shield between this polarization ultraviolet light and this composite film, in order to separate these regions in this composite film.
Refer to Fig. 3, its liquid crystal panel be made up of polarizing layer in first embodiment of the invention, wherein this liquid crystal panel 100 comprises first substrate 10, second substrate 20, liquid crystal layer 30, a 1 first polarizing layer 40a, one second polarizing layer 50a, one first alignment film 60 and one second alignment film 70.The liquid crystal layer 30 of the present embodiment is located between first substrate 10 and second substrate 20, and this first substrate 10 is colored filter substrate, and this second substrate 20 is then thin-film transistor array base-plate.First substrate 10 is provided with a color filter film 80 towards the surface of liquid crystal layer 30 side, and this color filter film 80 is made up of a plurality of red sub-pixel 1a, green sub-pixels 2a, blue subpixels 3a.This first polarizing layer 40a is the surface of this color filter film 80 be covered on first substrate 10, fill up the gap between these red sub-pixel 1a, the green sub-pixels 2a of this color filter film 80, blue subpixels 3a, this first alignment film 60 is located between this liquid crystal layer 30 and this first polarizing layer 40a simultaneously.Second substrate 20 is provided with a plurality of transparency electrode 90 towards the surface of liquid crystal layer 30 side, this second polarizing layer 50a is then covered in the surface of these transparency electrodes 90 on second substrate 20, fill up the gap between transparency electrode 90, this second alignment film 70 is located between this liquid crystal layer 30 and this second polarizing layer 50a simultaneously.Aforementioned first polarizing layer 40a and the second polarizing layer 50a is mainly made by the polarization ultraviolet light reactive liquid crystalline material with polarized light property.
Refer to Fig. 4, its liquid crystal panel be made up of polarizing layer in second embodiment of the invention, wherein this liquid crystal panel 100 comprises first substrate 10, second substrate 20, liquid crystal layer 30, polarisation color filter film 40b, a polarizing layer 50b, one first alignment film 60 and one second alignment film 70.The liquid crystal layer 30 of the present embodiment is located between first substrate 10 and second substrate 20, and this first substrate 10 is colored filter substrate, and this second substrate 20 is then thin-film transistor array base-plate.This polarisation color filter film 40b is made up of a plurality of polarisation red sub-pixel 1b, polarisation green sub-pixels 2b, polarisation blue subpixels 3b respectively, it is arranged at the surface of first substrate 10 towards liquid crystal layer 30 side, this first alignment film 60 is located between this liquid crystal layer 30 and this polarisation color filter film 40b, and a wherein surface of this first alignment film 60 is connected to this liquid crystal layer 30.Second substrate 20 is provided with a plurality of transparency electrode 90 towards the surface of liquid crystal layer 30 side, this polarizing layer 50b is then covered in the surface of these transparency electrodes 90 on second substrate 20, fill up the gap between transparency electrode 90, this second alignment film 70 is located between this liquid crystal layer 30 and this polarizing layer 50b simultaneously.Aforementioned polarisation color filter film 40b and polarizing layer 50b is mainly made by the polarization ultraviolet light reactive liquid crystalline material with polarized light property.Below enumerate two embodiments to be illustrated the manufacture method of this polarisation color filter film 40b.
embodiment 1]
A kind of embodiment of polarisation color filter film 40b of the present invention, refer to Fig. 4, Fig. 5 A to Fig. 5 D, wherein the arrow of Fig. 5 B represents a ultraviolet source.First red, green and blue colorant are mixed respectively the ultraviolet light reactive liquid crystalline material of the RM257 that a Merck (Merck) company produces, corresponding formation red reactive liquid crystal material, green reaction liquid crystal material and blue reactive liquid crystalline material.Again red reactive liquid crystal material is coated the surface of first substrate 10 towards liquid crystal layer 30 side, form a red reactive liquid crystal layer RM1.The light shield 200 by one with a plurality of thread empty position 201 that continues is positioned over the top that surface is coated with the first substrate 10 of red reactive liquid crystal material, and the polarization UV-irradiation formed through polaroid 300 with UV-irradiation penetrate this light shield 200 these thread empty positions 201 below red reactive liquid crystal layer RM1, form a plurality of polarisation red sub-pixel 1b.Then remove the red reactive liquid crystal layer RM1 on first substrate 10 surface, obtain these polarisations red sub-pixel 1b in first substrate 10 surface.Continue, green reaction liquid crystal material and blue reactive liquid crystalline material are performed its Making programme respectively according to 5a to Fig. 5 C, corresponding formation a plurality of polarisation green sub-pixels 2b and a plurality of polarisation blue subpixels 3b, in order to form polarisation color filter film 40b, as shown in Figure 5 D.
embodiment 2]
The another kind of embodiment of polarisation color filter film 40b of the present invention, refer to Fig. 4, Fig. 6 A to Fig. 6 C, wherein the arrow of Fig. 6 B represents a ultraviolet source.First red, green and blue colorant are mixed respectively the ultraviolet light reactive liquid crystalline material of the RM257 that a Merck (Merck) company produces, corresponding formation red reactive liquid crystal material, green reaction liquid crystal material and blue reactive liquid crystalline material, and be filled in ink-jet system 400.Recycle ink-jet system 400 by red reactive liquid crystal material, green reaction liquid crystal material and the blue surface of reactive liquid crystalline material spraying to first substrate 10 towards liquid crystal layer 30 side, corresponding formation a plurality of red reactive liquid crystal layer RM1, a plurality of green reaction liquid crystal layer RM2 and a plurality of blue reactive liquid crystalline layer RM3.The light shield 200 by one with a plurality of thread empty position 201 that continues is positioned over the top that surface spraying has the first substrate 10 of the reactive liquid crystalline material of three colour systems, and the polarization UV-irradiation formed through polaroid 300 with UV-irradiation penetrate this light shield 200 these thread empty positions 201 below a plurality of red reactive liquid crystal layer RM1, a plurality of green reaction liquid crystal layer RM2 and a plurality of blue reactive liquid crystalline layer RM3, the a plurality of polarisation red sub-pixel 1b of corresponding formation, a plurality of polarisation green sub-pixels 2b and a plurality of polarisation blue subpixels 3b, in order to form polarisation color filter film 40b, after the reactive liquid crystalline material removing non-irradiation region, namely polarisation color filter film 40b in Fig. 6 C is obtained.
As mentioned above, the polarizing layer of liquid crystal panel of the present invention and manufacture method thereof are by polarization UV-irradiation one ultraviolet light reactive liquid crystalline layer, make it be formed as polarization ultraviolet light reactive liquid crystalline layer that one has polarized light property, and in this, as polarizing layer, this polarizing layer is except possessing the advantage such as slimming and good temperature tolerance, also possess the easy advantage of job sequence, thus reduce production cost.
Although the present invention with preferred embodiment openly as above; so itself and be not used to limit the present invention; persond having ordinary knowledge in the technical field of the present invention; without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, therefore protection scope of the present invention is when being as the criterion depending on the aforesaid claim person of defining.
Claims (17)
1. a manufacture method for the polarizing layer of liquid crystal panel, is characterized in that, comprises:
There is provided a liquid crystal panel, it has a liquid crystal layer and is located between a pair substrate;
There is provided a rete in this liquid crystal layer and this to substrate wherein between a substrate, a surface of this rete is provided with a ultraviolet light reactive liquid crystalline layer; And
With this ultraviolet light reactive liquid crystalline layer of polarization UV-irradiation, form a polarizing layer.
2. the manufacture method of the polarizing layer of liquid crystal panel as claimed in claim 1; it is characterized in that, this rete is be selected from comprise color filter film, alignment film, transparency electrode, grid layer, gate insulation layer, source drain layer, semiconductor layer and protect in the group of insulation course.
3. the manufacture method of the polarizing layer of liquid crystal panel as claimed in claim 1, is characterized in that, this polarization ultraviolet light is light source UV-irradiation formed through polaroid.
4. the manufacture method of the polarizing layer of liquid crystal panel as claimed in claim 3, it is characterized in that, the wavelength coverage of this ultraviolet light is between 200nm to 400nm.
5. the manufacture method of the polarizing layer of liquid crystal panel as claimed in claim 1, it is characterized in that, this is respectively colored filter substrate and thin-film transistor array base-plate to substrate.
6. a manufacture method for the polarizing layer of liquid crystal panel, is characterized in that, comprises:
There is provided a liquid crystal panel, it has a liquid crystal layer and is located between a pair substrate;
There is provided a composite film in this liquid crystal layer and this to substrate wherein between a substrate, this composite film the rete made by organic polymer is mixed ultraviolet light reactive liquid crystalline material and formed; And
With this composite film of polarization UV-irradiation, form a polarisation rete.
7. the manufacture method of the polarizing layer of liquid crystal panel as claimed in claim 6, it is characterized in that, this composite film is color filter film.
8. the manufacture method of the polarizing layer of liquid crystal panel as claimed in claim 6, it is characterized in that, this composite film is distinguished at least three regions.
9. the manufacture method of the polarizing layer of liquid crystal panel as claimed in claim 8, is characterized in that, also each self-contained a kind of colorant in this this composite film at least trizonal, to form a polarisation color filter film.
10. the manufacture method of the polarizing layer of liquid crystal panel as claimed in claim 8, it is characterized in that, the illumination procedure of this polarization ultraviolet light also comprises a light shield, in order to irradiate zones of different.
The manufacture method of the polarizing layer of 11. liquid crystal panels as claimed in claim 6, is characterized in that, this polarization ultraviolet light is light source UV-irradiation formed through polaroid.
The manufacture method of the polarizing layer of 12. liquid crystal panels as claimed in claim 11, it is characterized in that, the wavelength coverage of this ultraviolet light is between 200nm to 400nm.
The manufacture method of the polarizing layer of 13. liquid crystal panels as claimed in claim 6, it is characterized in that, this is respectively colored filter substrate and thin-film transistor array base-plate to substrate.
14. 1 kinds of liquid crystal panels, is characterized in that, comprise:
One first substrate;
One second substrate;
One liquid crystal layer, is located between this first substrate and this second substrate;
One first polarizing layer, is located between this first substrate and this liquid crystal layer; And
One second polarizing layer, is located between this second substrate and this liquid crystal layer,
Wherein this first polarizing layer and this second polarizing layer are made by ultraviolet light reactive liquid crystalline material, and the first polarizing layer and the second polarizing layer are emitted through through polarization ultraviolet lighting.
15. liquid crystal panels as claimed in claim 14, it is characterized in that, this first polarizing layer is distinguished at least three regions again.
16. liquid crystal panels as claimed in claim 15, is characterized in that, also each self-contained a kind of colorant in this at least trizonal ultraviolet light reactive liquid crystalline material, to form a polarisation color filter film.
17. liquid crystal panels as claimed in claim 14, it is characterized in that, this first substrate is colored filter substrate; And this second substrate is thin-film transistor array base-plate.
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| CN201210106105.6A CN102662270B (en) | 2012-04-12 | 2012-04-12 | Polarizing layer of liquid crystal display panel and manufacture method thereof |
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| CN201210106105.6A CN102662270B (en) | 2012-04-12 | 2012-04-12 | Polarizing layer of liquid crystal display panel and manufacture method thereof |
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| CN102662270B true CN102662270B (en) | 2015-05-20 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI510822B (en) * | 2013-05-07 | 2015-12-01 | Chunghwa Picture Tubes Ltd | Manufacturing method of color filter substrate |
| CN103364989A (en) * | 2013-05-22 | 2013-10-23 | 华映视讯（吴江）有限公司 | Manufacturing method of color filter substrate |
| WO2017170947A1 (en) * | 2016-03-31 | 2017-10-05 | 日産化学工業株式会社 | Polarization layer forming composition |
| JP2018049087A (en) * | 2016-09-20 | 2018-03-29 | 日東電工株式会社 | Liquid crystal panel, liquid crystal display device, and polarizer set |
| JP2021086021A (en) * | 2019-11-28 | 2021-06-03 | 日東電工株式会社 | Optical laminate and image display device |
| CN111338124A (en) * | 2020-04-13 | 2020-06-26 | 武汉华星光电技术有限公司 | Quantum dot display panel, quantum dot display device and preparation method thereof |
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| WO2008130186A2 (en) * | 2007-04-23 | 2008-10-30 | Lg Chem, Ltd. | A retardation film, a method for preparing retardation film and polarizer comprising the retardation film |
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| CN1388911A (en) * | 2000-06-06 | 2003-01-01 | 皇家菲利浦电子有限公司 | Liquid crystal display device and method of manufacturing such |
| CN1789289A (en) * | 2004-12-07 | 2006-06-21 | 默克专利股份有限公司 | Polymerizable liquid crystal formulation and polarizer |
| CN101266313A (en) * | 2007-03-12 | 2008-09-17 | Jds尤尼弗思公司 | Space-variant liquid crystal waveplate |
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