CN103645586B - A kind of display panels and manufacture method, display device - Google Patents
A kind of display panels and manufacture method, display device Download PDFInfo
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- CN103645586B CN103645586B CN201310682468.9A CN201310682468A CN103645586B CN 103645586 B CN103645586 B CN 103645586B CN 201310682468 A CN201310682468 A CN 201310682468A CN 103645586 B CN103645586 B CN 103645586B
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Abstract
The embodiment of the present invention provides a kind of display panels and manufacture method, display device, relates to display technique field.Comprise first substrate, second substrate and the layer of liquid crystal molecule described first substrate and described second substrate between shaping to box, described first substrate and/or described second substrate are formed with oriented layer near described layer of liquid crystal molecule one side surface; Doped with conducting particles in described oriented layer.Display panels can reduce a driving voltage for liquid crystal indicator like this, improves the quality of products.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of display panels and manufacture method, display device.
Background technology
TFT-LCD(ThinFilmTransistorLiquidCrystalDisplay, Thin Film Transistor-LCD) display technique has been widely used in various display field because of its low energy consumption had and the advantage such as with low cost.Along with the development of TFT-LCD display technique, how to reduce the energy consumption that LCD shows product further, the quality improving LCD display product has also just become people's problem demanding prompt solution.
Show for product for LCD, the importance reducing energy consumption is the driving voltage that how can reduce liquid crystal molecule in liquid crystal indicator.A kind of research method that can reduce liquid crystal drive voltage is proposed in prior art, the method adopts display panel structure as shown in Figure 1, comprising to the shaping color membrane substrates 11 of box and array base palte 12, layer of liquid crystal molecule 13 is filled between color membrane substrates 11 and array base palte 12, in traditional layer of liquid crystal molecule, need higher VOP(driving voltage) drive liquid crystal 131 molecule to deflect, this will produce larger energy consumption, in order to reduce the VOP of liquid crystal molecule, also doped with a certain amount of ferroelectric nano particle 14 in the layer of liquid crystal molecule 13 shown in Fig. 1, an individual system will be formed with liquid crystal molecule 131 when ferroelectric nano particle 14 is in liquid crystal system, because the existence of ferroelectric nano particle 14, liquid crystal molecule also will increase greatly to the susceptibility of electric field, so less driving voltage is adopted namely effectively can to drive liquid crystal molecule, achieve the low energy consumption of liquid crystal indicator.
But a kind of like this weak point of research method is, when ferroelectric nano particle 14 and liquid crystal molecule 131 coexist in an individual system, the blending ratio of ferroelectric nano particle 14 is difficult to accurately control, thus cause the different viewing area of liquid crystal indicator there are differences to show, the reliability of liquid crystal indicator in the tests such as such as image retention, high/low temperature operation and storage is reduced, owing to there is above problem, a kind of like this liquid crystal indicator of structure does not still possess production at present.
Summary of the invention
Embodiments of the invention provide a kind of display panels and manufacture method, display device, can reduce the driving voltage of liquid crystal indicator, improve the quality of products.
The one side of the embodiment of the present invention, provides a kind of display panels, comprises first substrate, second substrate and the layer of liquid crystal molecule described first substrate and described second substrate between shaping to box.
Described first substrate and/or described second substrate are formed with oriented layer near described layer of liquid crystal molecule one side surface;
Doped with conducting particles in described oriented layer.
On the other hand, the embodiment of the present invention also provides a kind of display device, and described display device comprises display panels as above.
The another aspect of the embodiment of the present invention, also provides a kind of liquid crystal display panel preparation method, comprising:
Oriented layer is formed, doped with conducting particles in described oriented layer on the surface of first substrate and/or second substrate;
By described first substrate and described second substrate shaping to box, described oriented layer is positioned at box;
Filling liquid crystal between the described first substrate shaping to box and described second substrate, forms layer of liquid crystal molecule.
The display panels that the embodiment of the present invention provides and manufacture method, display device, display panels comprises first substrate, second substrate and the layer of liquid crystal molecule first substrate and second substrate between shaping to box, wherein, first substrate and/or second substrate are formed with oriented layer near layer of liquid crystal molecule one side surface, and doped with conducting particles in this oriented layer.So, by conducting particles being added in liquid crystal aligning coating systems, can form without the need to the component changing liquid crystal in liquid crystal cell system, can effectively avoid, because conducting particles and liquid crystal molecule coexist in the problem that the quality test reliability that produces in an individual system reduces, significantly improving the quality of liquid crystal display product while the driving voltage reducing liquid crystal indicator.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of display panels in prior art;
The structural representation of a kind of display panels that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the structural representation of the oriented layer doped with conducting particles without friction orientation process;
Fig. 4 is the structural representation of the oriented layer doped with conducting particles after friction orientation process;
The schematic flow sheet of a kind of liquid crystal display panel preparation method that Fig. 5 provides for the embodiment of the present invention;
Fig. 6 forms the schematic flow sheet doped with the oriented layer of conducting particles.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The display panels that the embodiment of the present invention provides, as shown in Figure 2, comprises first substrate 21, second substrate 22 and the layer of liquid crystal molecule first substrate 21 and second substrate 22 between 23 shaping to box.
Wherein, first substrate 21 and/or second substrate 22 are formed with oriented layer 24 near layer of liquid crystal molecule 23 1 side surface.
Doped with conducting particles 25 in oriented layer 24.
The display panels that the embodiment of the present invention provides, display panels comprises first substrate, second substrate and the layer of liquid crystal molecule first substrate and second substrate between shaping to box, wherein, first substrate and/or second substrate are formed with oriented layer near layer of liquid crystal molecule one side surface, and doped with conducting particles in this oriented layer.So, by conducting particles being added in liquid crystal aligning coating systems, can form without the need to the component changing liquid crystal in liquid crystal cell system, can effectively avoid, because conducting particles and liquid crystal molecule coexist in the problem that the quality test reliability that produces in an individual system reduces, significantly improving the quality of liquid crystal display product while the driving voltage reducing liquid crystal indicator.
It should be noted that, oriented layer 24 is mainly used in carrying out orientation to liquid crystal molecule, and to make liquid crystal molecule have certain initial orientation under non-"on" position, oriented layer 24 can adopt various known oriented layer material to make, and the present invention does not limit this.Oriented layer 24 can be formed in the surface of first substrate 21 and/or second substrate 22, in display panels as shown in Figure 2, is the explanation carried out all to have oriented layer 24 on the surface of first substrate 21 and second substrate 22.
Concrete, before formation oriented layer 24, a certain amount of conducting particles 25 can be doped in oriented layer material, by by this oriented layer Material coating doped with conducting particles 25 on the surface of first substrate 21 or second substrate 22, final curing molding forms the oriented layer doped with conducting particles 25.
In embodiments of the present invention, conducting particles 25 is specifically as follows ferroelectric nano particle, although ferroelectric nano particle is outside liquid crystal system, and there is interaction force between liquid crystal molecule, anchoring energy is increased, simultaneously, when there being extra electric field to exist, the director of ferroelectric nano particle can be consistent with the direction of electric field, and liquid crystal molecule is more easily deflected under the induction of ferroelectric nano particle director, thus can driving voltage be effectively reduced, reduce and drive energy consumption.
Further, liquid crystal molecule 231 and high molecular polymer can be comprised in layer of liquid crystal molecule 23.
As shown in Figure 2, the polymer segment 232 of high molecular polymer formation is had in the surrounding of liquid crystal molecule 231.Due to the existence of polymer segment 232, between liquid crystal molecule 231 and polymer segment 232, there is interaction force, make liquid crystal molecule 231 be more prone to deflect under voltage effect, thus the response speed of liquid crystal indicator can be improved.Especially liquid crystal molecule 231 is produced under voltage effect to the situation of vertical deflection, the rising deflection speed of liquid crystal molecule 231 is accelerated greatly, thus effectively can improve the response speed of liquid crystal indicator.
But for traditional display device with polymer segment liquid crystal system, particularly liquid crystal molecule 231 is produced under voltage effect to the situation of vertical deflection, due to the existence of polymer segment, after the driving voltage of liquid crystal molecule removes, so a kind of system can hinder liquid crystal molecule to get back to original state on the contrary, this can cause liquid crystal molecule elongated for fall time, also can increase driving power consumption simultaneously, and product quality can decline too.In liquid crystal indicator as shown in Figure 2, due to the existence of ferroelectric nano particle, ferroelectric nano particle director will drive the mass motion of liquid crystal system, improve the rise time further, and improve fall time to a certain extent.Overall response can increase to some extent, thus further improves the response speed of liquid crystal indicator.
Further, the surface of oriented layer 24 can for adopting the oriented layer surface of friction orientation PROCESS FOR TREATMENT.
Concrete, as shown in Figure 3, ferroelectric nano particle is disorderly and unsystematic arrangement originally in oriented layer 24, by carrying out friction orientation process to oriented layer 24, due to the electrostatic interaction between friction cloth and oriented layer material, ferroelectric nano particle is caused to arrange according to frictional direction, and ferroelectric nano particle itself does not change, under the effect of electrostatic force, just point to the arrowhead direction of electric field, as shown in Figure 4, so, the inducing action of ferroelectric nano particle to liquid crystal molecule can be improved further, thus reduce further the driving voltage of liquid crystal indicator.
It should be noted that, the TFT-LCD array substrate that the embodiment of the present invention provides goes for ADS(Advanced-SuperDimensionSwitch, senior super dimension field switch) type, IPS(InPlaneSwitch, transverse electric field effect) type, TN(TwistNematic, twisted-nematic) production of liquid crystal indicator of the type such as type.Wherein, ADS technology is that the longitudinal electric field that the parallel electric field and pixel electrode layer that are produced by pixel electrode edge in same plane and public electrode interlayer are produced forms multi-dimensional electric field, to make in liquid crystal cell all aligned liquid-crystal molecules between pixel electrode, directly over electrode produce and rotate conversion, thus improve planar orientation system liquid crystal work efficiency and increase light transmission efficiency.
Which kind of liquid crystal indicator above-mentioned all comprise to box be shaped color membrane substrates and array base palte.Unlike, the public electrode of TN type display device is arranged on color membrane substrates, and pixel electrode is arranged on array base palte; Public electrode and the pixel electrode of ADS type display device and IPS type display device are all arranged on array base palte.
Concrete, as shown in Figure 2, be the explanation carried out for ADS type display device in embodiments of the present invention.Wherein, first substrate 21 can be array base palte, and second substrate 22 can be color membrane substrates, and as shown in Figure 2, first substrate 21 specifically can comprise:
Transparency carrier 211, and the first transparency electrode 212 of planar being formed in transparency carrier 211 surface.
The second transparency electrode 213 that striped stride is arranged is formed between first transparency electrode 212 and oriented layer 24.
Between first transparency electrode 213 and the second transparency electrode 213, there is insulation course 214.
In the array base palte of described ADS type display device, described public electrode and the different layer of described pixel electrode are arranged, and optionally, the electrode being positioned at upper strata comprises multiple strip electrode, and the electrode being positioned at lower floor can comprise multiple strip electrode or for plate shaped.In embodiments of the present invention, be the electrode being positioned at lower floor be the explanation that plate shaped planar structure carries out for example.Wherein, different layer is arranged at least two kinds of patterns, and at least two kinds of different layers of pattern arrange and refer to, at least will form at least two kinds of patterns by patterning processes by double-layer films respectively.Two kinds of different layers of pattern are arranged and refers to, by patterning processes, respectively form a kind of pattern by double-layer films.Such as, public electrode and the different layer of pixel electrode arrange and refer to: form lower electrode by ground floor transparent conductive film by patterning processes, upper electrode is formed by patterning processes by second layer transparent conductive film, wherein, lower electrode is public electrode (or pixel electrode), and upper electrode is pixel electrode (or public electrode).
The array base palte of a kind of like this structure that the embodiment of the present invention provides goes for IPS type display device equally, with ADS type display device unlike, described public electrode and described pixel electrode are arranged with layer, described public electrode comprises multiple first strip electrode, described pixel electrode comprises multiple second strip electrode, and described first strip electrode and described second bar shaped electrode gap are arranged.Wherein, arrange at least two kinds of patterns with layer; At least two kinds of patterns arrange with layer and refer to: same film is formed at least two kinds of patterns by patterning processes.Such as, public electrode and pixel electrode arrange with layer and refer to: form pixel electrode and public electrode by same transparent conductive film by patterning processes.Wherein, pixel electrode refers to the electrode be electrically connected with data line by switch element (such as, can be thin film transistor (TFT)), and public electrode refers to the electrode with public electrode wire electrical connection.
The display device that the embodiment of the present invention provides, comprises display panels as above.
It should be noted that display device provided by the present invention can be: any product or parts with Presentation Function such as liquid crystal panel, LCD TV, liquid crystal display, digital album (digital photo frame), mobile phone, panel computer.
The display device that the embodiment of the present invention provides, comprise display panels, this display panels comprises first substrate, second substrate and the layer of liquid crystal molecule first substrate and second substrate between shaping to box, wherein, first substrate and/or second substrate are formed with oriented layer near layer of liquid crystal molecule one side surface, and doped with conducting particles in this oriented layer.So, by conducting particles being added in liquid crystal aligning coating systems, can form without the need to the component changing liquid crystal in liquid crystal cell system, can effectively avoid, because conducting particles and liquid crystal molecule coexist in the problem that the quality test reliability that produces in an individual system reduces, significantly improving the quality of liquid crystal display product while the driving voltage reducing liquid crystal indicator.
The embodiment of the present invention also provides a kind of liquid crystal display panel preparation method, and the method as shown in Figure 5, comprising:
S501, form oriented layer, doped with conducting particles in this oriented layer on the surface of first substrate and/or second substrate.
S502, by first substrate and second substrate shaping to box, oriented layer is positioned at box.
S503, between the first substrate shaping to box and second substrate filling liquid crystal, formed layer of liquid crystal molecule.
The liquid crystal display panel preparation method that the embodiment of the present invention provides, this display panels comprises first substrate, second substrate and the layer of liquid crystal molecule first substrate and second substrate between shaping to box, wherein, first substrate and/or second substrate are formed with oriented layer near layer of liquid crystal molecule one side surface, and doped with conducting particles in this oriented layer.So, by conducting particles being added in liquid crystal aligning coating systems, can form without the need to the component changing liquid crystal in liquid crystal cell system, can effectively avoid, because conducting particles and liquid crystal molecule coexist in the problem that the quality test reliability that produces in an individual system reduces, significantly improving the quality of liquid crystal display product while the driving voltage reducing liquid crystal indicator.
It should be noted that, oriented layer is mainly used in carrying out orientation to liquid crystal molecule, and to make liquid crystal molecule have certain initial orientation under non-"on" position, oriented layer can adopt various known oriented layer material to make, and the present invention does not limit this.Oriented layer can be formed in the surface of first substrate and/or second substrate, in display panels as shown in Figure 2, is all have for the surface at first substrate and second substrate the explanation that oriented layer carries out.
Further, liquid crystal molecule 231 and high molecular polymer can be comprised in layer of liquid crystal molecule 23.
As shown in Figure 2, the polymer segment 232 of high molecular polymer formation is had in the surrounding of liquid crystal molecule 231.Due to the existence of polymer segment 232, between liquid crystal molecule 231 and polymer segment 232, there is interaction force, make liquid crystal molecule 231 be more prone to deflect under voltage effect, thus the response speed of liquid crystal indicator can be improved.Especially liquid crystal molecule 231 is produced under voltage effect to the situation of vertical deflection, the rising deflection speed of liquid crystal molecule 231 is accelerated greatly, thus effectively can improve the response speed of liquid crystal indicator.
But for traditional display device with polymer segment liquid crystal system, particularly liquid crystal molecule 231 is produced under voltage effect to the situation of vertical deflection, due to the existence of polymer segment, after the driving voltage of liquid crystal molecule removes, so a kind of system can hinder liquid crystal molecule to get back to original state on the contrary, this can cause liquid crystal molecule elongated for fall time, also can increase driving power consumption simultaneously, and product quality can decline too.In liquid crystal indicator as shown in Figure 2, due to the existence of ferroelectric nano particle, ferroelectric nano particle director will drive the mass motion of liquid crystal system, improve the rise time further, and improve fall time to a certain extent.Overall response can increase to some extent, thus further improves the response speed of liquid crystal indicator.
Concrete, as shown in Figure 6, step S501, the described surface formation oriented layer at first substrate and/or second substrate can comprise:
S601, at the oriented layer material of the surface of first substrate and/or second substrate coating doped with conducting particles.
In embodiments of the present invention, conducting particles is specifically as follows ferroelectric nano particle, although ferroelectric nano particle is outside liquid crystal system, and there is interaction force between liquid crystal molecule, anchoring energy is increased, simultaneously, when there being extra electric field to exist, the director of ferroelectric nano particle can be consistent with the direction of electric field, and liquid crystal molecule is more easily deflected under the induction of ferroelectric nano particle director, thus can driving voltage be effectively reduced, reduce and drive energy consumption.
S602, process is cured to oriented layer material, cooling is carried out to the oriented layer material carrying out overcuring process and obtains oriented layer.
Such as, can carry out hot setting process to the oriented layer material being coated in substrate surface, temperature remains on 230
+5 DEG C, the duration 1200
+10Sec, after hot setting process, carrying out the sequential time to oriented layer material is 120
+10Sec cools naturally, finally forms liquid crystal aligning layer.
S603, friction orientation process is carried out to the surface of oriented layer.
Concrete, as shown in Figure 3, ferroelectric nano particle is disorderly and unsystematic arrangement originally in oriented layer 24, by carrying out friction orientation process to oriented layer 24, due to the electrostatic interaction between friction cloth and oriented layer material, ferroelectric nano particle is caused to arrange according to frictional direction, and ferroelectric nano particle itself does not change, under the effect of electrostatic force, just point to the arrowhead direction of electric field, as shown in Figure 4, so, the inducing action of ferroelectric nano particle to liquid crystal molecule can be improved further, thus reduce further the driving voltage of liquid crystal indicator.
It should be noted that, the TFT-LCD array substrate that the embodiment of the present invention provides goes for the production of the liquid crystal indicator of the types such as ADS type, IPS type, TN type.Illustrate no longer one by one herein.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (10)
1. a display panels, comprises first substrate, second substrate and the layer of liquid crystal molecule described first substrate and described second substrate between shaping to box, it is characterized in that,
Described first substrate and/or described second substrate are formed with oriented layer near described layer of liquid crystal molecule one side surface;
Doped with conducting particles in described oriented layer;
When there being extra electric field to exist, the director of described conducting particles and the direction of electric field are consistent, and liquid crystal molecule is deflected under the induction of described conducting particles director.
2. display panels according to claim 1, is characterized in that, described layer of liquid crystal molecule comprises liquid crystal molecule and high molecular polymer.
3. display panels according to claim 1, is characterized in that, the surface of described oriented layer is the oriented layer surface adopting friction orientation PROCESS FOR TREATMENT.
4., according to the arbitrary described display panels of claim 1-3, it is characterized in that, described first substrate comprises:
Transparency carrier, and the first transparency electrode of planar being formed in described transparency carrier surface;
The second transparency electrode that striped stride is arranged is formed between described first transparency electrode and described oriented layer;
Between described first transparency electrode and described second transparency electrode, there is insulation course.
5., according to the arbitrary described display panels of claim 1-3, it is characterized in that, described conducting particles comprises ferroelectric nano particle.
6. a display device, is characterized in that, described display device comprise as arbitrary in claim 1-5 as described in display panels.
7. a liquid crystal display panel preparation method, is characterized in that, comprising:
Oriented layer is formed, doped with conducting particles in described oriented layer on the surface of first substrate and/or second substrate;
By described first substrate and described second substrate shaping to box, described oriented layer is positioned at box;
Filling liquid crystal between the described first substrate shaping to box and described second substrate, forms layer of liquid crystal molecule;
When there being extra electric field to exist, the director of described conducting particles and the direction of electric field are consistent, and liquid crystal molecule is deflected under the induction of described conducting particles director.
8. liquid crystal display panel preparation method according to claim 7, is characterized in that, described layer of liquid crystal molecule comprises liquid crystal molecule and high molecular polymer.
9. the liquid crystal display panel preparation method according to claim 7 or 8, is characterized in that, the described surface formation oriented layer at first substrate and/or second substrate comprises:
At the oriented layer material of the surface of first substrate and/or second substrate coating doped with conducting particles;
Process is cured to described oriented layer material, cooling is carried out to the described oriented layer material carrying out overcuring process and obtains oriented layer;
Friction orientation process is carried out to the surface of described oriented layer.
10. the liquid crystal display panel preparation method according to claim 7 or 8, is characterized in that, described conducting particles comprises ferroelectric nano particle.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409830A (en) * | 1999-10-15 | 2003-04-09 | 爱克法－格法特有限公司 | Liquid crystal alignment layer |
| US8284360B2 (en) * | 2006-09-07 | 2012-10-09 | Taiwan Tft Lcd Association | Fabricating method of liquid crystal display panel |
| CN103215050A (en) * | 2013-03-28 | 2013-07-24 | 京东方科技集团股份有限公司 | Blue-phase liquid crystal composite material and liquid crystal display comprising same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0392824A (en) * | 1989-09-06 | 1991-04-18 | Fuji Photo Film Co Ltd | Liquid crystal display element |
| JP2006091547A (en) * | 2004-09-24 | 2006-04-06 | Sharp Corp | Liquid crystal panel and liquid crystal display device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1409830A (en) * | 1999-10-15 | 2003-04-09 | 爱克法－格法特有限公司 | Liquid crystal alignment layer |
| US8284360B2 (en) * | 2006-09-07 | 2012-10-09 | Taiwan Tft Lcd Association | Fabricating method of liquid crystal display panel |
| CN103215050A (en) * | 2013-03-28 | 2013-07-24 | 京东方科技集团股份有限公司 | Blue-phase liquid crystal composite material and liquid crystal display comprising same |
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