CN1236332C - Polarizer and method for manufacturing thin film transistor array substrate with polarizer - Google Patents
Polarizer and method for manufacturing thin film transistor array substrate with polarizer Download PDFInfo
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- CN1236332C CN1236332C CN 03107884 CN03107884A CN1236332C CN 1236332 C CN1236332 C CN 1236332C CN 03107884 CN03107884 CN 03107884 CN 03107884 A CN03107884 A CN 03107884A CN 1236332 C CN1236332 C CN 1236332C
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- 239000000758 substrate Substances 0.000 title claims abstract description 44
- 239000010409 thin film Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 175
- 230000005684 electric field Effects 0.000 claims abstract description 23
- 239000007791 liquid phase Substances 0.000 claims description 135
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims 2
- 238000002791 soaking Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 10
- 238000009826 distribution Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 230000010287 polarization Effects 0.000 description 4
- 239000013039 cover film Substances 0.000 description 3
- 238000007654 immersion Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002535 lyotropic effect Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
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Abstract
一种偏光片及具有偏光片的薄膜晶体管阵列基板的制造方法，此偏光片的制造方法是首先在一基板上涂布一液相型液晶层。之后，提供一电极滚轮，其中电极滚轮的表面上是形成有数个电极，且两相邻的电极之间是形成有一电场。接着，利用电极滚轮滚过液相型液晶层，以使液相型液晶层排列整齐，而形成一偏光片。由于电极滚轮上的两相邻电极之间形成有电场，当电极滚轮滚过液相型液晶层时，可以使其液晶分子排列更为整齐。
A method for manufacturing a polarizer and a thin film transistor array substrate having the polarizer, wherein the manufacturing method of the polarizer is to first coat a liquid crystal layer on a substrate. Then, an electrode roller is provided, wherein a plurality of electrodes are formed on the surface of the electrode roller, and an electric field is formed between two adjacent electrodes. Next, the electrode roller is used to roll over the liquid crystal layer so that the liquid crystal layer is arranged in an orderly manner, thereby forming a polarizer. Since an electric field is formed between two adjacent electrodes on the electrode roller, when the electrode roller rolls over the liquid crystal layer, the liquid crystal molecules can be arranged more orderly.
Description
Technical field
The invention relates to a kind of polaroid and have the manufacture method of the thin-film transistor array base-plate of polaroid, and particularly relevant for a kind of liquid phase type liquid crystal polaroid (Lyotropic Polarizer) and have the manufacture method of the thin-film transistor array base-plate of liquid phase type liquid crystal polaroid.
Background technology
Usually all can be covered with several layers of blooming on two surfaces up and down of display panels, so that display panels can reach effect or the demonstration contrast of enhancement display panels or brightness or the like of demonstration.And polaroid is often to be used a kind of blooming in the display panels, generally can be covered with polaroid respectively in upper and lower two surfaces of display panels, and the direction of its polarization is inequality, by the collocation of two polaroids, just can make display panels reach the effect of demonstration.
In the prior art, it is to utilize the liquid phase type liquid crystal to be used as the polaroid of display panels that a kind of technology is arranged, and the method for its manufacturing is as follows.Please refer to Fig. 1, the manufacture method of existing liquid phase type liquid crystal polaroid is that a substrate 100 at first is provided, afterwards coating one deck liquid phase type liquid crystal layer 102 on substrate 100.Then, can utilize 104 pairs of liquid phase type liquid crystal layers of a printing roller 102 to do the action of extending, so that the directive arrangement of the liquid crystal molecule of liquid phase type liquid crystal layer 102.Thus, has the usefulness that liquid phase type liquid crystal layer 102 that directivity arranges promptly can be used as a polaroid on the substrate 100.Follow-up, above-mentioned formed polaroid is installed on two surfaces up and down of display panels again.
Yet the method for making that has the liquid phase type liquid crystal polaroid now is to utilize the printing roller to apply the mode of an outer acting force, come the liquid phase type liquid crystal molecule is done the action of extension, yet this kind mode also can't reach the effect of the even application of force.Therefore, existing method can't guarantee that the liquid crystal molecule of liquid phase type liquid crystal layer can all complete and uniform marshalling, and thus, the degree of polarization of polaroid will be affected.In addition, in the conventional method, in order to increase the degree of polarization of polaroid, a kind of method is the thickness that increases the liquid phase type liquid crystal layer, but the thickness that increases the liquid phase type liquid crystal layer can make its penetration reduce again.
Summary of the invention
Therefore purpose of the present invention just provides a kind of manufacture method of polaroid, has degree of polarization and the not good problem of penetration to solve existing liquid phase type liquid crystal polaroid.
A further object of the present invention provides a kind of manufacture method with thin-film transistor array base-plate of polaroid, so that the manufacture method a kind of and thin-film transistor array base-plate with polaroid that prior art is inequality to be provided.
The present invention proposes a kind of manufacture method of polaroid, and the method is at first to be coated with a liquid phase type liquid crystal layer on a substrate.Then, providing a wheel electrode, wherein is to be formed with several electrodes on the surface of this wheel electrode, and is to be formed with an electric field between the two adjacent electrodes, and wherein the thickness of the electrode on the wheel electrode is less than 10 microns.Afterwards, utilize above-mentioned wheel electrode to roll across the liquid phase type liquid crystal layer, so that liquid phase type liquid crystal layer marshalling.Utilizing wheel electrode to roll across the liquid phase type liquid crystal layer so that after the liquid phase type liquid crystal layer marshalling, also comprise and carry out a liquid phase type liquid crystal fixating shape step, the substrate immersion that meaning is about to have the liquid phase type liquid crystal layer is in a style keeping liquid, so that the typing of liquid phase type liquid crystal.So, promptly finish the making of a polaroid.
In the manufacture method of above-mentioned polaroid, utilize wheel electrode to roll across the liquid phase type liquid crystal layer so that before the liquid phase type liquid crystal layer marshalling, can also utilize a printing pair of rollers liquid phase type liquid crystal layer to do the action of extending earlier, so that the liquid crystal molecule of liquid phase type liquid crystal layer is done after the preliminary arrangement, utilize wheel electrode to roll across the liquid phase type liquid crystal layer again, so that the arrangement of liquid phase type liquid crystal layer is more neat.
The present invention proposes a kind of manufacture method with thin-film transistor array base-plate of polaroid again, the method is that a substrate at first is provided, wherein be formed with the rete that a thin film transistor array layer and has electrode strip on this substrate, wherein the electrode strip in the rete for example is an interplanar translative mode (In-Plane Switching, IPS) several common electrode bars in the LCD, or multizone homeotropic alignment (Multi-Domain Vertical Alignment, MVA) several common electrode bars in the type LCD.Afterwards, comprehensive coating one liquid phase type liquid crystal layer on substrate, cover film transistor array layer and the rete with electrode strip are bestowed a voltage afterwards on above-mentioned electrode strip, so that be formed with an electric field between the two adjacent electrode strips.Then, utilize a roller to roll across the liquid phase type liquid crystal layer, so that the liquid crystal molecule of liquid phase type liquid crystal layer can marshalling, and the liquid phase type liquid crystal layer of marshalling is promptly as the usefulness of a polaroid.Particularly, rolling across the liquid phase type liquid crystal layer with roller, so that after the liquid crystal molecule of the liquid phase type liquid crystal layer energy marshalling, also comprise and carry out a liquid phase type liquid crystal fixating shape step, the substrate immersion that meaning is about to have the liquid phase type liquid crystal layer is in a style keeping liquid, so that the typing of liquid phase type liquid crystal.
The present invention proposes a kind of manufacture method with thin-film transistor array base-plate of polaroid again, the method is that a substrate at first is provided, wherein be formed with a thin film transistor array layer on the substrate, and be to include several data distribution distributions and several scan wirings in the thin film transistor array layer.Afterwards, comprehensive coating one liquid phase type liquid crystal layer on substrate, and bestow a voltage on data distribution or scan wiring is so that be formed with an electric field between two adjacent data distributions or the scan wiring.Then, utilize a roller to roll across the liquid phase type liquid crystal layer, so that liquid phase type liquid crystal layer marshalling, wherein the liquid phase type liquid crystal layer of marshalling is the usefulness as a polaroid.Particularly, rolling across the liquid phase type liquid crystal layer with roller, so that after the liquid crystal molecule of the liquid phase type liquid crystal layer energy marshalling, also comprise and carry out a liquid phase type liquid crystal fixating shape step, the substrate immersion that meaning is about to have the liquid phase type liquid crystal layer is in a style keeping liquid, so that the typing of liquid phase type liquid crystal.
In the present invention, be the specific direction arrangement owing to formed electric field between the electrode of wheel electrode can order about liquid crystal molecule, it is comparatively even and neat that therefore method of the present invention can make the arrangement of liquid phase type liquid crystal layer liquid crystal molecule.
Liquid phase type liquid crystal polaroid of the present invention is directly to be produced on thin film transistor array layer or to have on the rete of electrode strip, and utilize the scan wiring of thin film transistor array layer or the data distribution produces the source as electric field, or utilize electrode strip to produce the source as electric field, therefore when utilizing general pair of rollers liquid phase type liquid crystal to do to extend, the effect of electric field on the thin-film transistor array base-plate can also make the arrangement of liquid crystal molecule comparatively even and neat.
Description of drawings
For above-mentioned and other purposes of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and conjunction with figs. are described in detail below, wherein:
Fig. 1 is the manufacture method synoptic diagram of existing liquid phase type liquid crystal polaroid;
Fig. 2 is the synoptic diagram according to the wheel electrode of a preferred embodiment of the present invention;
Fig. 3 is the manufacture method synoptic diagram according to the liquid phase type liquid crystal polaroid of a preferred embodiment of the present invention;
Fig. 4 is the manufacture method synoptic diagram according to the liquid phase type liquid crystal polaroid of another preferred embodiment of the present invention;
Fig. 5 is the manufacture method synoptic diagram according to the thin-film transistor array base-plate with liquid phase type liquid crystal polaroid of a preferred embodiment of the present invention; And
Fig. 6 is the manufacture method synoptic diagram according to the thin-film transistor array base-plate with liquid phase type liquid crystal polaroid of another preferred embodiment of the present invention.
Embodiment
Illustrating of Fig. 2 is synoptic diagram according to a wheel electrode of a preferred embodiment of the present invention, and illustrating of Fig. 3 is synoptic diagram according to the manufacture method of the liquid phase type liquid crystal polaroid of a preferred embodiment of the present invention.
Please be simultaneously with reference to Fig. 2 and Fig. 3, the manufacture method of liquid phase type liquid crystal polaroid of the present invention is that a substrate 100 at first is provided, wherein substrate 100 for example is a transparent glass substrate or a clear plastic substrate.Afterwards, coating one deck liquid phase type liquid crystal layer 102 on substrate 100.At this, the liquid crystal molecule of liquid phase type liquid crystal layer 102 is to be discoideus, if discoideus liquid crystal molecule can be consistent with a specific direction proper alignment, just it can be used as a polaroid.
In order to make the neat arrangement of liquid crystal molecule energy of liquid phase type liquid crystal layer 102, the present invention utilizes a wheel electrode 206 to roll across liquid phase type liquid crystal layer 102, so that liquid phase type liquid crystal layer 102 marshallings.At this, wheel electrode 206 is made of a bar-shaped roller 202 and several electrodes 204 that is configured on the bar-shaped roller 202, is to be formed with an electric field between the two wherein adjacent electrodes 204.In a preferred embodiment, the thickness of the electrode 204 on the bar-shaped roller 202 for example is below 10 microns.Because between the two adjacent electrodes 204 of wheel electrode 206 is to be formed with electric field, therefore when rolling across liquid phase type liquid crystal layer 102 with wheel electrode 206, the liquid crystal molecule of liquid phase type liquid crystal layer 102 can be arranged because of effect of electric field is certain direction.
What is particularly worth mentioning is that, if liquid phase type liquid crystal layer 102 is to be an eurymeric liquid crystal, then wheel electrode 206 is to roll across this eurymeric liquid crystal with a first direction, if liquid phase type liquid crystal layer 102 is to be a negative type liquid crystal, then wheel electrode 206 is to roll across this negative type liquid crystal with a second direction, and wherein first direction is vertical with second direction.
Rolling across liquid phase type liquid crystal layer 102 with wheel electrode 206, so that after the liquid crystal molecule of the liquid phase type liquid crystal layer 102 energy marshalling, also comprise and carry out a liquid phase type liquid crystal fixating shape step, the substrate 100 that meaning is about to have liquid phase type liquid crystal layer 102 is soaked in the style keeping liquid, so that 102 typings of liquid phase type liquid crystal layer.So, promptly finish the making of a liquid phase type liquid crystal polaroid.And follow-up upper and lower two surfaces that just can be arranged on a display panels of the liquid phase type liquid crystal polaroid that completes.
Liquid phase type liquid crystal polaroid of the present invention can also be made with another kind of method, as shown in Figure 4 except above-mentioned method for making.This kind method is on substrate 100 after the coating fluid facies pattern liquid crystal layer 102, utilize 104 pairs of liquid phase type liquid crystal layers of a printing roller 102 to do the action of extending earlier, so that the liquid crystal molecule of liquid phase type liquid crystal layer 102 is done after the preliminary arrangement, utilize a wheel electrode 206 to roll across liquid phase type liquid crystal layer 102 again, so that 102 arrangements of liquid phase type liquid crystal layer is more neat.
Above-mentioned liquid phase type liquid crystal polaroid is coating one a liquid phase type liquid crystal layer on a substrate, utilize wheel electrode (or printing roller collocation wheel electrode) so that liquid phase type liquid crystal layer marshalling again, to form after the polaroid, just formed polaroid is installed in two surfaces up and down of display panels.Yet the present invention more proposes a kind of manufacture method with thin-film transistor array base-plate of polaroid, and it is directly to form the liquid phase type liquid crystal polaroid on thin-film transistor array base-plate, and it is described in detail as follows.
Please refer to Fig. 5, it is to be the synoptic diagram according to the thin-film transistor array base-plate with polaroid of a preferred embodiment of the present invention.At first forming a thin film transistor array layer 502 on a substrate 500, wherein is to include several data distributions, several scan wirings, several thin film transistor (TFT)s and several pixel electrodes in the thin film transistor array layer 502.
Afterwards, comprehensive coating one deck liquid phase type liquid crystal layer 504 above substrate 500, cover film transistor array layer 502.Subsequently, on data distribution or scan wiring, bestow a voltage, so that be formed with an electric field between two adjacent data distributions or the scan wiring.Then, utilize a roller 104 to roll across liquid phase type liquid crystal layer 504, so that liquid phase type liquid crystal layer 504 marshallings, wherein the liquid phase type liquid crystal layer 504 of marshalling is the usefulness as a polaroid.
At this, because of the present invention utilizes the scan wiring of thin film transistor array layer or the data distribution produces the source as electric field, so when utilizing general printing roller 104 to come, can also make the even and neat arrangement of liquid phase type liquid crystal layer 504 liquid crystal molecules to the extension of liquid phase type liquid crystal do.
Same, rolling across liquid phase type liquid crystal layer 504 with roller 104, so that after the liquid crystal molecule of the liquid phase type liquid crystal layer 504 energy marshalling, also comprise and carry out a liquid phase type liquid crystal fixating shape step, meaning is about to above-mentioned structure and is soaked in the style keeping liquid, so that 504 typings of liquid phase type liquid crystal layer.
In another preferred embodiment, have being described in detail as follows of manufacture method of the thin-film transistor array base-plate of polaroid.
Please refer to Fig. 6, it is to be the synoptic diagram according to the thin-film transistor array base-plate with polaroid of another preferred embodiment of the present invention.At first on a substrate 500, form the rete 600 that a thin film transistor array layer 502 and has the electrode strip layer, wherein several electrode strips in the rete 600 for example are interplanar translative mode (In-Plane Switching, IPS) several common electrode bars in the LCD, or multizone homeotropic alignment (Multi-Domain VerticalAlignment, MVA) several common electrode bars in the type LCD.
Afterwards, comprehensive coating one deck liquid phase type liquid crystal layer 504 above substrate 500, cover film transistor array layer 502 and rete 600.Subsequently, on the electrode strip of rete 600, bestow a voltage, so that be formed with an electric field between the two adjacent electrode strips.Then, utilize a roller 104 to roll across liquid phase type liquid crystal layer 504, so that liquid phase type liquid crystal layer 504 marshallings, wherein the liquid phase type liquid crystal layer 504 of marshalling is the usefulness as a polaroid.
Because of the present invention utilizes several common electrode bars in the interplanar translative mode LCD, or several common electrode bars in the multizone vertically aligned liquid crystal display produce the source as electric field, so when utilizing general printing roller 104 to come, can also make the even and neat arrangement of liquid phase type liquid crystal layer 504 liquid crystal molecules to the extension of liquid phase type liquid crystal do.
Same, rolling across liquid phase type liquid crystal layer 504 with roller 104, so that after the liquid crystal molecule of the liquid phase type liquid crystal layer 504 energy marshalling, also comprise and carry out a liquid phase type liquid crystal fixating shape step, meaning is about to above-mentioned structure and is soaked in the style keeping liquid, so that 504 typings of liquid phase type liquid crystal layer.
Therefore, manufacture method with thin-film transistor array base-plate of polaroid of the present invention is directly the liquid phase type liquid crystal layer to be formed on the top of thin film transistor array layer, and is not to be two surfaces that polaroid pasted or is installed in display panels as prior art.
Comprehensive the above, the present invention has following advantage:
1. in the present invention, be the specific direction arrangement owing to formed electric field between the electrode of wheel electrode can order about liquid crystal molecule, it is comparatively even and neat that therefore method of the present invention can make the arrangement of liquid phase type liquid crystal layer liquid crystal molecule.
2. liquid phase type liquid crystal polaroid of the present invention is directly to be produced on thin film transistor array layer or to have on the rete of electrode strip, and utilize the scan wiring of thin film transistor array layer or the data distribution produces the source as electric field, or utilize electrode strip to produce the source as electric field, therefore when utilizing general pair of rollers liquid phase type liquid crystal to do to extend, the effect of electric field on the thin-film transistor array base-plate can also make the arrangement of liquid crystal molecule comparatively even and neat.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when looking accompanying being as the criterion that claim defines.
Claims (14)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03107884 CN1236332C (en) | 2003-04-01 | 2003-04-01 | Polarizer and method for manufacturing thin film transistor array substrate with polarizer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03107884 CN1236332C (en) | 2003-04-01 | 2003-04-01 | Polarizer and method for manufacturing thin film transistor array substrate with polarizer |
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| CN1534317A CN1534317A (en) | 2004-10-06 |
| CN1236332C true CN1236332C (en) | 2006-01-11 |
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| CN 03107884 Expired - Fee Related CN1236332C (en) | 2003-04-01 | 2003-04-01 | Polarizer and method for manufacturing thin film transistor array substrate with polarizer |
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| CN100462819C (en) * | 2006-09-11 | 2009-02-18 | 北京京东方光电科技有限公司 | Friction equipment and its application |
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