CN102929045A - Polymer dispersed liquid crystal panel and preparation method thereof and liquid crystal display device - Google Patents
Polymer dispersed liquid crystal panel and preparation method thereof and liquid crystal display device Download PDFInfo
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- CN102929045A CN102929045A CN2012103782105A CN201210378210A CN102929045A CN 102929045 A CN102929045 A CN 102929045A CN 2012103782105 A CN2012103782105 A CN 2012103782105A CN 201210378210 A CN201210378210 A CN 201210378210A CN 102929045 A CN102929045 A CN 102929045A
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Abstract
The invention relates to the field of liquid crystal display, and discloses a polymer dispersed liquid crystal panel. The polymer dispersed liquid crystal panel comprises a thin film transistor (TFT) array substrate, a color-film substrate and a polymer dispersed liquid crystal (PDLC) layer, wherein the PDLC layer is positioned between the TFT array substrate and the color-film substrate, in each pixel unit, the TFT array substrate faces one face, provided with a plurality of pixel electrodes and a plurality of first public electrodes, of the PDLC layer, the pixel electrodes and the first public electrodes are distributed at intervals, and the color-film substrate faces one face, provided with a second public electrode, of the PDLC layer. In fall time of full response time, the second public electrode cuts off, a transverse electric field is generated between the first public electrodes and the pixel electrodes, liquid crystal molecule in the PDLC layer is rapidly returned by the transverse electric field, the fall time of the liquid crystal molecule in the PDLC layer is reduced, and the full response time of the whole liquid crystal molecule is further shortened. The invention also provides a liquid crystal display device and a preparation method of the polymer dispersed liquid crystal panel.
Description
Technical field
The present invention relates to field of liquid crystal display, particularly a kind of high polymer dispersed liquid crystal panel and preparation method thereof, liquid crystal indicator.
Background technology
High polymer dispersed liquid crystal (PDLC, Polymer Dispersed Liquid Crystal) is dispersed in the solid-state polymer film by liquid crystal particle and forms, and it has according to scattering of light strength control light transmission and the characteristic of needs polaroid not.
In the PDLC panel, the PDLC layer of positivity liquid crystal preparation is not when applying voltage, liquid crystal molecule in the PDLC layer is lack of alignment, so incident light refraction repeatedly occurs and reflect on the interface of liquid crystal molecule and its macromolecule matrix after entering the PDLC layer, and the PDLC panel is scattering states.After applying voltage, the liquid crystal molecule in the PDLC layer is arranged along the direction of electric field, thereby incident light enters and reflection and refraction do not occur behind the PDLC layer and directly transmits.The influence factor of the response time of liquid crystal molecule is more in the PDLC layer, but basically, required energy has determined the response time of liquid crystal molecule in the PDLC layer when initial configuration that the liquid crystal molecule sensing is vowed in the PDLC layer and transformation form.
Generally the response time with liquid crystal molecule in the PDLC layer is divided into two parts: rise time and fall time; Wherein, the rise time changes the initial orientation state of liquid crystal molecule in the PDLC layer by electric field when referring to switch on, and then makes the transmitance of PDLC layer rise to for 90% time that needs by 10% of ON state; Fall time, the liquid crystal molecule in the PDLC layer recovered initial orientation state gradually when referring to cut off the power supply, and then made the transmitance of PDLC layer be down to for 10% time that needs by 90% of OFF state; The total reponse time of PDLC layer be the rise time and fall time sum.
In general, because macromolecule network is to the grappling effect of liquid crystal molecule in the PDLC layer, the PDLC layer has the slower and fall time faster fall time of rise time of the slower character of fast attack time more.
Summary of the invention
The invention provides a kind of high polymer dispersed liquid crystal panel, this high polymer dispersed liquid crystal panel can reduce the fall time of PDLC layer on the basis that guarantees the PDLC layer rise time, and then reduces the total reponse time of PDLC layer.The present invention also provides a kind of preparation method of above-mentioned high polymer dispersed liquid crystal panel.
For achieving the above object, the invention provides following technical scheme:
A kind of high polymer dispersed liquid crystal panel comprises thin film transistor (TFT) tft array substrate, color membrane substrates and the high polymer dispersed liquid crystal PDLC layer between described tft array substrate and color membrane substrates, and described tft array substrate has a plurality of pixel cells,
In each pixel cell, described tft array substrate has many pixel electrodes and many first public electrodes towards the one side of PDLC layer, and described pixel electrode and the first public electrode are spaced apart;
Described color membrane substrates has the second public electrode towards the one side of PDLC layer.
Preferably, described the first public electrode and pixel electrode arrange with layer.
Preferably, in each pixel cell, described the first public electrode is the setting of H type.
Preferably, the initial orientation of liquid crystal molecule is parallel to described tft array substrate in the described PDLC layer, and the liquid crystal molecule in the described PDLC layer is positivity.
Preferably, the initial orientation of liquid crystal molecule is perpendicular to described tft array substrate in the described PDLC layer, and the liquid crystal molecule in the described PDLC layer is negativity.
Preferably, described pixel electrode is identical with the first public electrode width; In a plurality of alternatively distributed described pixel electrodes and the first public electrode, the spacing between adjacent pixel electrode and the first public electrode is identical.
Preferably, the width of described pixel electrode and the first public electrode is 2 ~ 5 μ m, and the spacing between adjacent pixel electrode and the first public electrode is 3 ~ 8 μ m, and the box between described tft array substrate and the described color membrane substrates is thick to be 8 ~ 20 μ m.
Preferably, the width of described pixel electrode and the first public electrode is 2 μ m, and the spacing between adjacent pixel electrode and the first public electrode is 8 μ m, and the box between described tft array substrate and the described color membrane substrates is thick to be 10 μ m.
The present invention also provides a kind of liquid crystal indicator, comprises any high polymer dispersed liquid crystal panel of mentioning in the technique scheme.
The present invention also provides the driving method of the high polymer dispersed liquid crystal panel of mentioning in a kind of technique scheme, comprising:
In the rise time of total reponse time, described the first public electrode and pixel electrode are applied the first identical voltage, described the second public electrode is applied second voltage, the first voltage is different from the second voltage current potential;
In the fall time of response time, described the second public electrode is opened circuit, and described the first public electrode and pixel electrode are applied the voltage of different potentials.
The present invention also provides the preparation method of the high polymer dispersed liquid crystal panel of mentioning in a kind of technique scheme, comprising:
The thin film transistor (TFT) tft array substrate form thin film transistor (TFT) and with pixel electrode and the first public electrode, form the second public electrode at color membrane substrates; Described pixel electrode is electrically connected with described thin film transistor (TFT);
Box is processed, described tft array substrate and described color membrane substrates are carried out box is processed, inject high polymer dispersed liquid crystal PDLC, form liquid crystal panel.
Preferably, the liquid crystal molecule in the described PDLC layer is positivity, and described step is to also comprising before the box processing:
Apply orientation liquid at tft array substrate and color membrane substrates, be orientated liquid-solidization formation alignment films, the surface of alignment films is rubbed, parallel-oriented with tft array substrate.
Preferably, the liquid crystal molecule in the described PDLC layer is negativity, and described step is to also comprising before the box processing:
Apply orientation liquid at tft array substrate and color membrane substrates, be orientated liquid-solidization formation alignment films, vertical orientated with tft array substrate.
High polymer dispersed liquid crystal panel provided by the invention, comprise thin film transistor (TFT) tft array substrate, color membrane substrates and the high polymer dispersed liquid crystal PDLC layer between described tft array substrate and color membrane substrates, described tft array substrate has a plurality of pixel cells, in each pixel cell, described tft array substrate has many pixel electrodes and many first public electrodes towards the one side of PDLC layer, and described pixel electrode and the first public electrode are spaced apart; Described color membrane substrates has the second public electrode towards the one side of PDLC layer.
The total reponse time of liquid crystal molecule is divided into two parts in the PDLC layer: rise time and fall time; Wherein, the rise time changes the initial orientation state of liquid crystal molecule in the PDLC layer by electric field when referring to switch on, and then makes the transmitance of PDLC layer rise to for 90% time that needs by 10% of ON state; Fall time, the liquid crystal molecule in the PDLC layer recovered initial orientation state gradually when referring to cut off the power supply, and then made the transmitance of PDLC layer be down to for 10% time that needs by 90% of OFF state; The total reponse time of PDLC layer be the rise time and fall time sum.
High polymer dispersed liquid crystal panel provided by the invention, in the whole total reponse time of liquid crystal molecule in the PDLC layer, in the rise time of total reponse time, can make the first public electrode identical with the pixel electrode current potential, and different from the second public electrode current potential, can produce between the second public electrode and the pixel electrode between vertical electric field, the second public electrode and the first public electrode and can produce vertical electric field; In the fall time of total reponse time, can be with the second public electrode outage, and make the first public electrode different from the pixel electrode current potential, and the first public electrode and pixel electrode are spaced apart, can generate transverse electric field between the first public electrode and the pixel electrode.PDLC panel provided by the invention in the fall time of response time, resets rapidly the liquid crystal molecule in the PDLC layer by transverse electric field, has reduced the fall time of liquid crystal molecule in the PDLC layer, and then has reduced the total reponse time of liquid crystal molecule integral body.
The liquid crystal molecule of the below in the PDLC layer be as positivity, and initial orientation is that example is introduced when parallel with tft array substrate.
In the rise time of total reponse time, the current potential of supposing the first public electrode and pixel electrode is+and 5 volts, and the current potential of the second public electrode is-5 volts, then all can produce the vertical electric field that points to the second public electrode between the first public electrode and the second public electrode, pixel electrode and the second public electrode, then the liquid crystal molecule in the PDLC layer is stood up under the effect of vertical electric field, thereby light is passed through, form bright attitude; In the fall time of total reponse time, the outage of the second public electrode, and the current potential of the first public electrode is+5 volts, the current potential of pixel electrode is-5 volts, then can produce transverse electric field between the first public electrode and the pixel electrode, the liquid crystal molecule in the PDLC layer can restPose rapidly under the effect of transverse electric field.Therefore, the liquid crystal molecule in the PDLC layer has transverse electric field and assists when recovering initial orientation state, and accelerate release time.
Certainly, the liquid crystal molecule in the PDLC layer is also can realize when being negativity, repeats no more here.
So high polymer dispersed liquid crystal panel provided by the invention can reduce the fall time of PDLC layer, and then the total reponse time of reduction PDLC layer.
Description of drawings
Fig. 1 is the structural representation of high polymer dispersed liquid crystal PDLC panel provided by the invention;
Fig. 2 is rise time electric field status synoptic diagram when liquid crystal is the positivity liquid crystal in the PDLC layer in the high polymer dispersed liquid crystal panel provided by the invention;
Fig. 3 be when liquid crystal is the positivity liquid crystal in the PDLC layer in the high polymer dispersed liquid crystal panel provided by the invention fall time the electric field status synoptic diagram;
Fig. 4 is the wire structures synoptic diagram of the first public electrode and pixel electrode in the high polymer dispersed liquid crystal panel provided by the invention;
Fig. 5 is high polymer dispersed liquid crystal panel preparation method's provided by the invention process flow diagram;
Fig. 6 is the process flow diagram of a kind of preferred version among the high polymer dispersed liquid crystal panel preparation method provided by the invention;
Fig. 7 is the process flow diagram of another kind of preferred version among the high polymer dispersed liquid crystal panel preparation method provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The total reponse time of liquid crystal molecule is divided into two parts in the PDLC layer: rise time and fall time; Wherein, the rise time changes the initial orientation state of liquid crystal molecule in the PDLC layer by electric field when referring to switch on, and then makes the transmitance of PDLC layer rise to for 90% time that needs by 10% of ON state; Fall time, the liquid crystal molecule in the PDLC layer recovered initial orientation state gradually when referring to cut off the power supply, and then made the transmitance of PDLC layer be down to for 10% time that needs by 90% of OFF state; The total reponse time of PDLC layer be the rise time and fall time sum.The present invention reduces its fall time by electric field action, thereby has shortened the total reponse time of liquid crystal molecule in the PDLC layer on the basis that guarantees its rise time.
Embodiment one
As shown in Figure 1, high polymer dispersed liquid crystal panel provided by the invention, comprise thin film transistor (TFT) tft array substrate 1, color membrane substrates 5 and the high polymer dispersed liquid crystal PDLC layer 3 between tft array substrate 1 and color membrane substrates 5, tft array substrate 1 has a plurality of pixel cells, in each pixel cell, tft array substrate 1 has many pixel electrodes 2 and many first public electrodes 6 towards the one side of PDLC layer 3, and pixel electrode 2 and the first public electrode 6 are spaced apart; Color membrane substrates 5 has the second public electrode 4 towards the one side of PDLC layer 3.
High polymer dispersed liquid crystal panel provided by the invention, in the whole total reponse time of liquid crystal molecule in PDLC layer 3, in rise time, make the first public electrode 6 identical with pixel electrode 2 current potentials, and different from the second public electrode 4 current potentials, can produce between the second public electrode 4 and the pixel electrode 2 between vertical electric field, the second public electrode 4 and the first public electrode 6 and can produce vertical electric field; In fall time, with 4 outages of the second public electrode, and make the first public electrode 6 different from pixel electrode 2 current potentials, and the first public electrode 6 is spaced apart with pixel electrode 2, can generate transverse electric field between the first public electrode 6 and the pixel electrode 2.High polymer dispersed liquid crystal panel provided by the invention in fall time, resets rapidly the liquid crystal molecule in the PDLC layer 3 by transverse electric field, has reduced the fall time of PDLC layer 3 interior liquid crystal molecule, and then has reduced the total reponse time of liquid crystal molecule integral body.
Therefore, high polymer dispersed liquid crystal display panel provided by the invention can reduce the fall time of PDLC layer, and then reduces the total reponse time of PDLC layer.
Preferably, the second public electrode 4 has platy structure.
Preferably, in the rise time of total reponse time, the electric field intensity that produces in order to increase the first public electrode 6 and the second public electrode 4, and the homogeneity of the electric field intensity that produces between pixel electrode 2 and the second public electrode 4, the first public electrode 6 arranges with layer with pixel electrode 2.
More preferably, structure as shown in Figure 4, in each pixel cell, the first public electrode 6 is the setting of H type.As shown in Figure 4, take a H type as example, the first public electrode 6 has the first electrode strip 61 and the second electrode strip 62 that is parallel to each other, and the transverse electrode bar 63 that laterally connects the first electrode strip 61 and the second electrode strip 62, pixel electrode 2 has the lug boss 21 that inserts the first electrode strip 61 and the second electrode strip 62 gaps; The shape of the shape of above-mentioned the first public electrode 6 and pixel electrode 2, can increase the homogeneity that interior the first public electrode 6 of each pixel cell and pixel electrode 2 are arranged, be increased in the fall time of total reponse time, produce the intensity of transverse electric field between the first public electrode 6 and the pixel electrode 2.
In the preferred implementation, the initial orientation of liquid crystal molecule is parallel to tft array substrate 1 in the PDLC layer 3, and the liquid crystal molecule in the PDLC layer 3 is positivity.
In the said structure, when the PDLC panel does not apply voltage, positivity liquid crystal molecule in the PDLC layer 3 is parallel to tft array substrate 1 to be arranged, and incident light after entering PDLC layer 3 refraction and reflection occurs repeatedly on the interface of positivity liquid crystal molecule and its macromolecule matrix, and the PDLC panel is scattering states; As shown in Figure 2, in rise time, the first public electrode 6, pixel electrode 2 and the second public electrode 4 apply voltage, suppose that the first public electrode 6 and pixel electrode 2 apply+5V voltage simultaneously, and the second public electrode 4 applies-5 volts of voltages, the first public electrode 6 and the second public electrode 4 produce vertical electric field, pixel electrode 2 and the second public electrode 4 produce vertical electric field, therefore the positivity liquid crystal molecule in the PDLC layer 3 is under the effect of vertical electric field, arrange along the vertical electric field direction, light enters and enters not occur reflection and refraction behind the PDLC layer 3 and directly transmit the bright attitude of PDLC Display panel; As shown in Figure 3, in fall time, liquid crystal molecule in the PDLC layer 3 will reset, thereby when making the PDLC panel recover scattering states, the second public electrode 1 is in off-position, and the pixel electrode 2 on the tft array substrate 1 applies-5V voltage, and apply on the first public electrode 6+5 volts of voltages, produce transverse electric field between pixel electrode 2 and the first public electrode 6, the positivity liquid crystal molecule in the PDLC layer 3 is arranged fast along the direction of transverse electric field, thereby reduces fall time.
So the PDLC panel of said structure can reduce the fall time of PDLC layer 3, and then the total reponse time of reduction PDLC layer 3.
In the preferred implementation, the initial orientation of liquid crystal molecule is perpendicular to tft array substrate 1 in the PDLC layer 3, and the liquid crystal molecule in the PDLC layer 3 is negativity.
In the said structure, when the PDLC panel did not apply voltage, the negative liquid crystal molecule in the PDLC layer 3 was arranged perpendicular to tft array substrate 1, and incident light enters and enters not occur reflection and refraction after the PDLC layer 3 and directly transmit the bright attitude of PDLC Display panel; In rise time, the first public electrode 6, pixel electrode 2 and the second public electrode 4 apply voltage, suppose that the first public electrode 6 and pixel electrode 2 apply+5V voltage simultaneously, and the second public electrode 4 applies-5 volts of voltages, the first public electrode 6 and the second public electrode 4 produce vertical electric field, pixel electrode 2 and the second public electrode 4 produce vertical electric field, therefore the negative liquid crystal molecule in the PDLC layer 3 is arranged perpendicular to direction of an electric field under the effect of vertical electric field, refraction and reflection repeatedly occur after entering PDLC layer 3 in light on the interface of negative liquid crystal molecule and its macromolecule matrix, the PDLC panel is scattering states; In fall time, liquid crystal molecule in the PDLC layer 3 will reset, thereby when making the PDLC panel recover bright attitude, the second public electrode 1 is in off-position, and the pixel electrode 2 on the tft array substrate 1 applies-5V voltage, and applies on the first public electrode 6+5 volts of voltages, produces transverse electric field between pixel electrode 2 and the first public electrode 6, negative liquid crystal molecule direction perpendicular to electric field under the effect of transverse electric field in the PDLC layer 3 is arranged fast, thereby reduces fall time.
So the PDLC panel of said structure can reduce the fall time of PDLC layer 3, and then the total reponse time of reduction PDLC layer 3.
As shown in Figure 1, preferably, for increasing the homogeneity that produces electric field between each electrode, above-described embodiment one with and preferred implementation in, the width a of pixel electrode 2 is identical with the width b of the first public electrode 6, in a plurality of alternatively distributed pixel electrodes 2 and the first public electrode 6, the spacing d between adjacent pixel electrode 2 and the first public electrode 6 is identical.
Particularly, the width of the width a of pixel electrode 2 and the first public electrode 6 is 2 ~ 5 μ m; Spacing d between adjacent pixel electrode 2 and the first public electrode 6 is 3 ~ 8 μ m, and the thick D of box between tft array substrate 1 and the color membrane substrates 5 is 8 ~ 20 μ m.
More specifically, the width b of the width a of pixel electrode 2 and the first public electrode 6 is 2 μ m, and the spacing d between adjacent pixel electrode 2 and the first public electrode 6 is 8 μ m, and the thick D of box between tft array substrate 1 and the color membrane substrates 5 is 10 μ m.
Embodiment two
On the basis of embodiment one and preferred version thereof, present embodiment provides a kind of liquid crystal indicator that comprises above-mentioned any high polymer dispersed liquid crystal panel of mentioning, and the liquid crystal of this liquid crystal indicator has lower total reponse time.
Embodiment three
On the basis of embodiment one and preferred implementation thereof, present embodiment provides a kind of driving method to above-mentioned high polymer dispersed liquid crystal panel, and this driving method comprises:
In the rise time of total reponse time, the first public electrode 6 and pixel electrode 2 are applied the first identical voltage, described the second public electrode 4 is applied second voltage, the first voltage is different from the second voltage current potential;
In the fall time of response time, described the second public electrode 4 is opened circuit, and the first public electrode 6 and pixel electrode 2 are applied the voltage of different potentials.
In the rise time of total reponse time, because the first public electrode 6 applies the first identical voltage with pixel electrode 2, have identical current potential, therefore can not produce transverse electric field between the two; And, since different from the first voltage to the second voltage that the second public electrode 4 applies, therefore, produce respectively vertical electric field between the first public electrode 6 and pixel electrode 2 and the second public electrode 4, thereby the liquid crystal molecule that orders about in the PDLC layer is rotated, and changes the transmitance of PDLC layer;
In the fall time of total reponse time, the first public electrode 6 is applied different voltage with pixel electrode 2, because the second public electrode 4 disconnects, can not produce vertical electric field between the first public electrode 6 and pixel electrode 2 and the second public electrode 4, and first can produce transverse electric field between public electrode 6 and the pixel electrode 2, and then the liquid crystal molecule Rapid reset in the driving PDLC layer 3, the transmitance of change PDLC layer 3.
Therefore, by above-mentioned driving method the high polymer dispersed liquid crystal panel in embodiment one and the preferred implementation thereof is driven, can reduce the fall time in the total reponse time of liquid crystal molecule in the PDLC layer, and then reduce total reponse time.
Embodiment four
As shown in Figure 5, present embodiment provides a kind of preparation method of above-described embodiment one described high polymer dispersed liquid crystal panel, comprising:
Step 201: thin film transistor (TFT) tft array substrate 1 form thin film transistor (TFT) and with pixel electrode 2 and the first public electrode 6, form the second public electrode 4 at color membrane substrates 5; Pixel electrode 2 is electrically connected with described thin film transistor (TFT);
Step 202: box is processed, tft array substrate 1 and color membrane substrates 5 are carried out box is processed, inject high polymer dispersed liquid crystal PDLC, form liquid crystal panel.
As shown in Figure 6, in the preferred implementation, the liquid crystal molecule in the PDLC layer is the positivity liquid crystal, and also comprises before the step 102 pair box processing:
Step 203: apply the orientation liquid at tft array substrate 1 and color membrane substrates 5, be orientated liquid-solidization formation alignment films, the surface of alignment films is rubbed, parallel-oriented with tft array substrate 1.
As shown in Figure 7, in the preferred implementation, the liquid crystal molecule in the PDLC layer is negative liquid crystal, and also comprises before the step 102 pair box processing:
Step 204: apply orientation liquid at tft array substrate 1 and color membrane substrates 5, be orientated liquid-solidization formation alignment films, vertical orientated with tft array substrate 1.
Obviously, those skilled in the art can carry out various changes and modification to the embodiment of the invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (13)
1. high polymer dispersed liquid crystal panel, comprise thin film transistor (TFT) tft array substrate, color membrane substrates and the high polymer dispersed liquid crystal PDLC layer between described tft array substrate and color membrane substrates, described tft array substrate has a plurality of pixel cells, it is characterized in that
In each pixel cell, described tft array substrate has many pixel electrodes and many first public electrodes towards the one side of PDLC layer, and described pixel electrode and the first public electrode are spaced apart;
Described color membrane substrates has the second public electrode towards the one side of PDLC layer.
2. high polymer dispersed liquid crystal panel according to claim 1 is characterized in that, described the first public electrode and pixel electrode arrange with layer.
3. high polymer dispersed liquid crystal panel according to claim 2 is characterized in that, in each pixel cell, described the first public electrode is the setting of H type.
4. high polymer dispersed liquid crystal panel according to claim 3 is characterized in that, the initial orientation of liquid crystal molecule is parallel to described tft array substrate in the described PDLC layer, and the liquid crystal in the described PDLC layer is the positivity liquid crystal.
5. high polymer dispersed liquid crystal panel according to claim 3 is characterized in that, the initial orientation of liquid crystal molecule is perpendicular to described tft array substrate in the described PDLC layer, and the liquid crystal in the described PDLC layer is negative liquid crystal.
6. each described high polymer dispersed liquid crystal panel is characterized in that according to claim 1 ~ 5, and described pixel electrode is identical with the first public electrode width; In a plurality of alternatively distributed described pixel electrodes and the first public electrode, the spacing between adjacent pixel electrode and the first public electrode is identical.
7. high polymer dispersed liquid crystal panel according to claim 6, it is characterized in that, the width of described pixel electrode and the first public electrode is 2 ~ 5 μ m, spacing between adjacent pixel electrode and the first public electrode is 3 ~ 8 μ m, and the box between described tft array substrate and the described color membrane substrates is thick to be 8 ~ 20 μ m.
8. high polymer dispersed liquid crystal panel according to claim 7, it is characterized in that, the width of described pixel electrode and the first public electrode is 2 μ m, spacing between adjacent pixel electrode and the first public electrode is 8 μ m, and the box between described tft array substrate and the described color membrane substrates is thick to be 10 μ m.
9. a liquid crystal indicator is characterized in that, comprises each described high polymer dispersed liquid crystal panel such as claim 1-8.
10. the driving method such as each described high polymer dispersed liquid crystal panel of claim 1-8 is characterized in that, comprising:
In the rise time of total reponse time, described the first public electrode and pixel electrode are applied the first identical voltage, described the second public electrode is applied second voltage, the first voltage is different from the second voltage current potential;
In the fall time of total reponse time, described the second public electrode is opened circuit, and described the first public electrode and pixel electrode are applied the voltage of different potentials.
11. the preparation method such as each described high polymer dispersed liquid crystal panel of claim 1-8 is characterized in that, comprising:
The thin film transistor (TFT) tft array substrate form thin film transistor (TFT) and with pixel electrode and the first public electrode, form the second public electrode at color membrane substrates; Described pixel electrode is electrically connected with described thin film transistor (TFT);
Box is processed, described tft array substrate and described color membrane substrates are carried out box is processed, inject high polymer dispersed liquid crystal PDLC, form liquid crystal panel.
12. the preparation method of high polymer dispersed liquid crystal panel according to claim 11 is characterized in that, the liquid crystal molecule in the described PDLC layer is positivity, and described step is to also comprising before the box processing:
Apply orientation liquid at tft array substrate and color membrane substrates, be orientated liquid-solidization formation alignment films, the surface of alignment films is rubbed, parallel-oriented with tft array substrate.
13. the preparation method of high polymer dispersed liquid crystal panel according to claim 11 is characterized in that, the liquid crystal molecule in the described PDLC layer is negativity, and described step is to also comprising before the box processing:
Apply orientation liquid at tft array substrate and color membrane substrates, be orientated liquid-solidization formation alignment films, vertical orientated with tft array substrate.
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| CN103278976A (en) * | 2013-05-30 | 2013-09-04 | 京东方科技集团股份有限公司 | Liquid crystal display panel, manufacturing method thereof and display device |
| CN104503168A (en) * | 2015-01-14 | 2015-04-08 | 京东方科技集团股份有限公司 | Array substrate and manufacturing method thereof and display device |
| CN106908981A (en) * | 2015-11-30 | 2017-06-30 | 乐金显示有限公司 | Nano capsule liquid crystal layer and the liquid crystal display device including Nano capsule liquid crystal layer |
| JP2019501424A (en) * | 2015-12-02 | 2019-01-17 | フォーカス テック ゲー・エム・ベー・ハーＦＯＣＵＳ ＴＥＣ ＧｍｂＨ | Electrically controllable optical element consisting of an optically isotropic liquid, in particular a lens, and its manufacturing method based on a liquid composite material |
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