CN103018979A - Blue phase liquid crystal display device - Google Patents
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- CN103018979A CN103018979A CN2012105574249A CN201210557424A CN103018979A CN 103018979 A CN103018979 A CN 103018979A CN 2012105574249 A CN2012105574249 A CN 2012105574249A CN 201210557424 A CN201210557424 A CN 201210557424A CN 103018979 A CN103018979 A CN 103018979A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 124
- 239000000758 substrate Substances 0.000 claims abstract description 85
- 238000009413 insulation Methods 0.000 claims description 72
- 239000011521 glass Substances 0.000 claims description 15
- 229920000642 polymer Polymers 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 238000002834 transmittance Methods 0.000 abstract description 4
- 230000005684 electric field Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000004990 Smectic liquid crystal Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003098 cholesteric effect Effects 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention provides a blue phase liquid crystal display device. The blue phase liquid crystal display device comprises a first substrate, a second substrate and a blue phase liquid crystal layer, the second substrate is arranged opposite to the first substrate, and the blue phase liquid crystal layer is positioned between the first substrate and the second substrate. A plurality of electrodes are arranged on the first substrate, each electrode consists of a transparent insulating bulge, a first electrode and a second electrode, wherein the transparent insulating bulge protrudes to the second substrate from the first substrate and is provided with a top end opposite to the second substrate. The transparent insulating bulges respectively cover the first electrode and the second electrode, clearances are formed at the top ends of the transparent insulating bulges through the first electrode and the second electrode so as to be mutually and electrically insulated, and the top ends of the transparent insulating bulges are exposed out of the clearances. The blue phase liquid crystal display device has lower driving voltage and higher transmittance.
Description
Technical field
The present invention relates to a kind of technical field of liquid crystal display, and be particularly related to a kind of blue phase liquid crystal display device.
Background technology
In recent years, along with the development of display technique, liquid crystal display is applied in the display device such as Portable movable electronic products such as smart mobile phone, panel computers more and more widely.
The liquid crystal that traditional liquid crystal display adopts is divided into three kinds of nematic phase, smectic phase and cholesteric phases; for the fast moving scene; traditional liquid crystal display the phenomenons such as streaking and dynamic fuzzy can occur usually, and its main cause is owing to the response time of liquid crystal molecule causes not soon.
Compare with liquid crystal material with now widely used liquid crystal display, blue phase liquid crystal has following four outstanding advantages: the response time of (1) blue phase liquid crystal is in inferior millisecond scope, it need not to adopt overdrive technique (OverDrive), namely can realize the high-speed driving that 240Hz is above, thereby can effectively reduce the dynamic fuzzy of moving image.Adopting red-green-blue light emitting diode (RGB-LED) when doing backlight, need not color filter film, utilize blue phase liquid crystal can realize that namely the field sequential color sequential shows; (2) blue phase liquid crystal does not need the necessary oriented layer of other various display modes, has not only simplified manufacturing process, has reduced cost yet; (3) on the macroscopic view, blue phase liquid crystal is optically isotropic, thereby makes blue phase liquid crystal display device have the good characteristics of wide, the dark attitude in visual angle; (4) need only the thick penetration depth that surpasses electric field of blue phase liquid crystal box box, the variation that the liquid crystal cell box is thick just can be ignored the impact of transmissivity, and this specific character is particularly suitable for making giant-screen or veneer liquid crystal indicator.
Figure 1A is depicted as the structural representation of existing blue phase liquid crystal display, and Figure 1B is depicted as the dark space synoptic diagram of the blue phase liquid crystal display shown in Figure 1A.As shown in Figure 1A and 1B, in existing blue phase liquid crystal display 100, blue phase liquid crystal layer 16 is between top glass substrate 11 and lower glass substrate 12, be provided with strip shaped electric poles 13 at lower glass substrate 12 upper surfaces, be respectively arranged with polaroid 14 and lower polaroid 15 at the upside of top glass substrate 11 and the downside of lower glass substrate 12.In the structure of existing blue phase liquid crystal display 100, the electric field of planar strip electrode 13 upper areas is weak or do not have an electric field, thereby cause planar strip electrode 13 tops can form as shown in Figure 1B dark space 17, cause the transmitance of blue phase liquid crystal display 100 very low, and then affect the display brightness of blue phase liquid crystal display 100.In the prior art, in order to obtain higher penetrance, generally by adopting higher driving voltage to drive, yet there is no method, existing drive integrated circult provides so high voltage, therefore, the polymer stabilizing blue phase liquid crystal is restricted being applied in to a certain extent of display.
For addressing the above problem, industry adopts the mode of improving the blue phase liquid crystal material property or optimizing electrode structure usually at present.But, the mode of improving the blue phase liquid crystal material property for example is the blue phase liquid crystal material of the large Kerr constanr of preparation, when relating to complex process such as the preparation polymer stabilizing blue phase liquid crystal that synthesizes the blue phase liquid crystal material, it need to consider the series of factors such as monomer, light trigger, synthesis condition, therefore, R﹠D costs are very expensive.And the mode of optimizing electrode structure for example is with planar strip electrode fabrication transparent insulation projected electrode in echelon.Fig. 2 A is depicted as the structural representation of the blue phase liquid crystal display of the trapezoidal transparent insulation protruding electrode structure of existing employing, and Fig. 2 B is depicted as the dark space synoptic diagram of the blue phase liquid crystal display shown in Fig. 2 A.Shown in Fig. 2 A, the electrode structure of blue phase liquid crystal display 200 adopts trapezoidal transparent insulation projected electrode 23, in blue phase liquid crystal display 200, because trapezoidal transparent insulation projected electrode 23 has certain altitude, so can strengthen the horizontal component of electric field near top glass substrate 21, thereby reduce to a certain extent driving voltage.But in the blue phase liquid crystal display 200 shown in Fig. 2 A, shown in Fig. 2 B, the dark space 27 of trapezoidal transparent insulation projected electrode 23 tops is reduced and is not obvious, and therefore, the transmitance of blue phase liquid crystal display 200 can not effectively improve.
Summary of the invention
Based on the problem that existing driving voltage is high in the existing blue phase liquid crystal display, transmitance is low, the invention provides and a kind ofly can effectively reduce its driving voltage, can keep again it to have blue phase liquid crystal display than high permeability.
It is to adopt following technical scheme to realize that the present invention solves its technical matters.
The present invention proposes a kind of blue phase liquid crystal display device, comprises first substrate, and the first substrate second substrate and the blue phase liquid crystal layer between first substrate and second substrate that are oppositely arranged.Be provided with a plurality of electrodes on the first substrate, each electrode comprises transparent insulation projection, the first electrode and the second electrode.Wherein, the transparent insulation projection is outstanding to second substrate by first substrate, and has the top relative with second substrate.The first electrode and the second electrode cover respectively the transparent insulation projection, and the second electrode and the first electrode form the gap on the top of transparent insulation projection and be and mutually be electrically insulated, and are come out by the gap in the top of transparent insulation projection.
In preferred embodiment of the present invention, above-mentioned a plurality of electrode is the strip shaped electric poles that be arranged in parallel, the transparent insulation projection is strip transparent insulation projection, and the first electrode, the second electrode and transparent insulation projection are extended along same length direction, and the xsect of transparent insulation projection is trapezoidal or half elliptic.
In preferred embodiment of the present invention, the height of above-mentioned transparent insulation projection is 1.5～2.0 microns.
In preferred embodiment of the present invention, above-mentioned gap is with the first electrode and the second electrode gap the first distance, adjacent above-mentioned electrode interval second distance and being on first substrate is electrically insulated mutually, and the ratio range of the first distance and second distance is 2/3 ~ 2/4.
In preferred embodiment of the present invention, above-mentioned transparent insulation projection has the first side, second side relative with the first side.Above-mentioned end face is connected between the first side and the second side, and the first electrode covers the first side and extends the subregion that covers end face, and the second electrode covers the second side and extends the subregion that covers end face.
In preferred embodiment of the present invention, the width of the subregion of above-mentioned the first electrode extension covering end face and the width that the second electrode extends the subregion that covers end face are respectively 1～2 micron.
In preferred embodiment of the present invention, above-mentioned first substrate comprises driving element array base palte and the polarizer, and a plurality of electrodes are arranged on the driving element array base palte, and the polarizer is arranged at the driving element array base palte away from a side of blue phase liquid crystal layer.Above-mentioned second substrate comprises glass substrate and analyzer, and analyzer is arranged at glass substrate away from a side of blue phase liquid crystal layer.
In preferred embodiment of the present invention, above-mentioned first substrate also comprises the first insulation course, and the first insulation course is arranged between driving element array base palte and the blue phase liquid crystal layer.Above-mentioned second substrate also comprises the second insulation course, and the second insulation course is arranged between glass substrate and the blue phase liquid crystal layer.
In preferred embodiment of the present invention, above-mentioned the first electrode and the second electrode are transparent conductive material.
In preferred embodiment of the present invention, above-mentioned blue phase liquid crystal layer is the polymer stabilizing blue phase liquid crystal.
The invention has the beneficial effects as follows that blue phase liquid crystal display device of the present invention is mutually and is electrically insulated owing to the second electrode and the first electrode form the gap on the top of transparent insulation projection.On the one hand, comprise the transparent insulation projection, the electrode structure of the first electrode and the second electrode can effectively reduce driving voltage.On the other hand, when the first electrode is imposed on respectively different voltage with the second electrode, not only between the first electrode of adjacent electrode and the second electrode, can produce electric field, between the first electrode of the end face of the transparent insulation projection of each electrode and the second electrode, also electric field can be produced, thereby the formation of the dark space of each electrode top can be effectively reduced.Therefore, blue phase liquid crystal display device of the present invention can realize having simultaneously lower driving voltage and higher transmitance.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of instructions, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Figure 1A is depicted as the structural representation of existing blue phase liquid crystal display.
Figure 1B is depicted as the dark space synoptic diagram of the blue phase liquid crystal display shown in Figure 1A.
Fig. 2 A is depicted as the structural representation of the blue phase liquid crystal display of the trapezoidal transparent insulation protruding electrode structure of existing employing.
Fig. 2 B is depicted as the dark space synoptic diagram of the blue phase liquid crystal display shown in Fig. 2 A.
Fig. 3 A is depicted as the structural representation of the blue phase liquid crystal display device of first embodiment of the invention.
Fig. 3 B is depicted as the dark space synoptic diagram of the blue phase liquid crystal display device of the first embodiment of the invention shown in Fig. 3 A.
Figure 4 shows that the structural representation of the blue phase liquid crystal display device of second embodiment of the invention.
Figure 5 shows that the blue phase liquid crystal display device of blue phase liquid crystal display device, the second embodiment of first embodiment of the invention and the driving voltage of existing blue phase liquid crystal display-transmittance curve figure.
Fig. 6 A to 6C is the cross section transmitance scatter chart of analoging brightness figure of the blue phase liquid crystal display device of first embodiment of the invention.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect thereof to blue phase liquid crystal display device of the present invention are described in detail as follows.
Fig. 3 A is depicted as the structural representation of the blue phase liquid crystal display device of first embodiment of the invention.Please refer to Fig. 3 A, the blue phase liquid crystal display device 300 of present embodiment comprises first substrate 310, the second substrate 320 that is oppositely arranged with first substrate 310, and the blue phase liquid crystal layer 330 between first substrate 310 and second substrate 320.
Particularly, first substrate 310 comprises for example thin-film transistor array base-plate of driving element array base palte 311.Be provided with a plurality of electrodes 312 on the driving element array base palte 311 of first substrate 310, a plurality of electrodes 312 are electrically connected with a plurality of driving elements of driving element array base palte 311 respectively, to realize a plurality of electrode 312 alive controls of being executed.In the present embodiment, a plurality of electrodes 312 for example are the strip shaped electric poles that be arranged in parallel.Each electrode 312 comprises transparent insulation projection 313, the first electrode 314 and the second electrode 315.Wherein, transparent insulation projection 313 is strip projected parts, to second substrate 320 projecting height H, and has top 305 with respect to the second electrode 320 by first substrate 310.In the present embodiment, the xsect of transparent insulation projection 313 is trapezoidal, and have the first side 313a, the second side 313b relative with the first side 313a and be connected in the first side 313a and the second side 313b between end face 313c and bottom surface 313d.Under the preferable case, the xsect of transparent insulation projection 313 is isosceles trapezoid, and namely the first side 313a and the formed corner dimension of bottom surface 313d equal the second side 313b and the formed corner dimension of bottom surface 313d.In the present embodiment, the width of end face 313c is less than the width of bottom surface 313d.The first electrode 314, the second electrode 315 all extend along same length direction with transparent insulation projection 313.The first electrode 314 covers the first side 313a and extends the subregion that covers end face 313c, the second electrode 315 covers the second side 313b and extends the subregion that covers end face 313c, and the second electrode 315 is each other in the end face 313c formation gap 319 of transparent insulation projection 313 with the first electrode 314 and is electrically insulated.In other words, transparent insulation projection 313 is come out by the gap 319 that forms between the first electrode 314 and the second electrode 315 with respect to the top 305 of second substrate 320.Gap 319 is with the first electrode 314 and the second electrode 315 intervals the first distance L 1, and the width that also is gap 319 is L1.In the present embodiment, the first distance L 1 refers to the second electrode 315 and the first electrode 314 spacing distance along the direction vertical with the length bearing of trend of electrode 312 on the end face 313c of transparent insulation projection 313.In the present embodiment, the width W 1 of the subregion of the first electrode 314 extension covering end face 313c and the width W 2 that the second electrode 315 extends the subregion that covers end face 313c are respectively 1～2 micron.In addition, in the present embodiment, the first electrode 314 and the second electrode 315 are also respectively to the first substrate 310 surperficial extension width W of transparent insulation projection 313 both sides, and cover part first substrate 310, with the electric connection with first substrate 310 of better realization the first electrode 314 and the second electrode 315.The first electrode 314 and the second electrode 315 are transparent conductive material, for example are transparent indium-tin-oxide (ITO).
Hold above-mentionedly, a plurality of electrodes 312 are evenly and are intervally arranged, and two adjacent electrodes 312 interval second distance L2 and being each other on first substrate 310 is electrically insulated.In the present embodiment, the first electrode 314 of the second electrode 315 that second distance L2 refers to an electrode 312 and another adjacent electrode 312 on first substrate 310 along the spacing distance of the direction vertical with the length bearing of trend of electrode 312.
In the present embodiment, first substrate 310 also comprises and is arranged at driving element array base palte 311 away from the polarizer 317 of a side of blue phase liquid crystal layer 330.In the present embodiment, first substrate 310 comprises that also the first insulation course 318, the first insulation courses 318 are arranged between driving element array base palte 311 and the blue phase liquid crystal layer 330.
In addition, blue phase liquid crystal layer 330 for example is to comprise the polymer stabilizing blue phase liquid crystal.
The blue phase liquid crystal display device 300 of present embodiment is each other and is electrically insulated owing to the second electrode 315 and the first electrode 314 form gaps 319 on the top 305 with respect to second substrate 320 of transparent insulation projection 313.On the one hand, comprise the structural reinforcing of electrode 312 of transparent insulation projection 313, the first electrodes 314 and the second electrode 315 near the horizontal component of electric field of second substrate 320, thereby can effectively reduce driving voltage to a certain extent.On the other hand, when the first electrode 314 is imposed on respectively different voltage with the second electrode 315, not only between the first electrode 314 of adjacent electrode 312 and the second electrode 315, can produce electric field, form between first electrode 314 in gaps 319 and the second electrode 315 on the top 305 of the transparent insulation projection 313 of each electrode 312 and also can produce electric field, the electric field that produces can drive the blue phase liquid crystal of 305 tops, top of transparent insulation projection 313, thereby can effectively reduce the formation of the dark space of each electrode 312 top.Fig. 3 B is depicted as the dark space synoptic diagram of the blue phase liquid crystal display device of the first embodiment of the invention shown in Fig. 3 A.Shown in Fig. 3 B, the blue phase liquid crystal display device 300 in the present embodiment has less dark space 305 even does not have the dark space.Therefore, blue phase liquid crystal display device 300 of the present invention can realize having simultaneously lower driving voltage and higher transmitance.
Fig. 4 is the cross-sectional view of the blue phase liquid crystal display device of second embodiment of the invention.Please refer to Fig. 4, the blue phase liquid crystal display device of present embodiment 400 is roughly the same with blue phase liquid crystal device 300, and the difference of the two is the concrete structure difference to some extent of the electrode 412 of blue phase liquid crystal display device 400.Particularly, in the present embodiment, the xsect of the transparent insulation projection 413 of electrode 412 is half elliptic, and transparent insulation projection 413 is strip projected parts, and is outstanding to second substrate 320 by first substrate 310, and has the top 405 with respect to the second electrode 320.The first electrode 414, the second electrode 415 all extend along same length direction with transparent insulation projection 413.The first electrode 414 and the second electrode 415 cover respectively the relative both sides of transparent insulation projection 413, and the second electrode 415 and the first electrode 414 are in the gap, 405 interval, top 419 of transparent insulation projection 413 and be and be electrically insulated each other, and transparent insulation projection 413 is come out by the gap 419 that forms between the first electrode 414 and the second electrode 415 with respect to the top 405 of second substrate 320.In other words, the top 405 of transparent insulation projection 413 is not covered by the first electrode 314 and the second electrode 315.Gap 419 is with the first electrode 414 and the second electrode 415 intervals the first distance L 1, and the width that also is gap 419 is L1.In the present embodiment, the first distance L 1 refers to that the second electrode 415 and the first electrode 414 are at the spacing distance of the top of transparent insulation projection 413 405 1 sides along the vertical direction of the length bearing of trend of electrode 412.In addition, in the present embodiment, the first electrode 414 and the second electrode 415 are also respectively to the first substrate 410 surperficial extension width W of transparent insulation projection 413 both sides, and cover part first substrate 410, with the electric connection with first substrate 410 of better realization the first electrode 414 and the second electrode 415.Hold above-mentionedly, a plurality of electrodes 412 are evenly and are intervally arranged, and two adjacent electrodes 412 interval second distance L2 and being each other on first substrate 410 is electrically insulated.In the present embodiment, the first electrode 414 of the second electrode 415 that second distance L2 refers to an electrode 412 and another adjacent electrode 412 on first substrate 410 along the spacing distance of the direction vertical with the length bearing of trend of electrode 412.
The electrode structure that below will specify the blue phase liquid crystal display device of this case embodiment improves for the impact effect that reduces driving voltage and raising transmitance.
Fig. 5 is the blue phase liquid crystal display device 400 of blue phase liquid crystal display device 300, the second embodiment of the first embodiment and the driving voltage of existing blue phase liquid crystal display 100 and 200-transmittance curve figure.To the blue phase liquid crystal display device 300(analog sample of the first embodiment a) and the blue phase liquid crystal display device 400(analog sample b of the second embodiment) simulation test that undertaken by following condition to be to obtain driving voltage-transmittance curve figure.Test condition for example is: the first distance L 1 is 2.0 μ m, and second distance L2 is 5.0 μ m, and width W is 0.5 μ m; First substrate 310 and second substrate 320 intervals also are that the distance between the first insulation course 318 and the second insulation course 323 is 6.0 μ m among the embodiment; The height H of transparent insulation projection 313/413 is 1.5～2.0 μ m, and the bottom surface 313d of transparent insulation projection 313 is wide to be 4.0 μ m, and end face 313c is wide to be 3.0 μ m, and the bottom width of transparent insulation projection 413 is 4.0 μ m; The position angle of the polarizer 317 is 45 °, and the position angle of analyzer 322 is 135 °.Use identical polymer stabilizing blue phase liquid crystal during simulation test, adjacent the first electrode 314/414 is applied different voltage with the second electrode 315/415, also namely at the first electrode 314/414(or the second electrode 315/415) add driving voltage, the second electrode 315/415(or the first electrode 314/414) upper voltage zero setting.Existing blue phase liquid crystal display 100(analog sample c shown in Figure 1A) and the blue phase liquid crystal display 200(analog sample d shown in Fig. 2 A) also carry out simulation test as a comparison according to roughly the same condition.As shown in Figure 5, when using identical polymer blue phase liquid crystal material, compare with existing blue phase liquid crystal display device among Fig. 2 A with Figure 1A, the blue phase liquid crystal display device 300 of the first embodiment and the blue phase liquid crystal display device 400 of the second embodiment can either reduce driving voltage also can improve transmitance significantly.
In addition, blue phase liquid crystal display device 300 is prepared simulation test that a plurality of analog samples carry out to obtain the relation of transmitance and driving voltage by following condition.Test condition for example is: the height H of transparent insulation projection 313 is 1.5～2.0 μ m, the first electrode 314 and the second electrode 315 are 0.5 μ m to the first substrate 310 surperficial extension width W of transparent insulation projection 313 both sides respectively, the first distance L 1 is 2.0 μ m, and second distance L2 is respectively 2.0 μ m(analog samples 1), 3.0 μ m(analog samples 2), 3.5 μ m(analog samples 3), 4.0 μ m(analog samples 4), 4.5 μ m(analog samples 5), 5.0 μ m(analog samples 6), 5.5 μ m(analog samples 7).Table 1 has been enumerated transmitance and the driving voltage of analog sample 1～7.From table 1, analog sample 1～7 has lower driving voltage and higher transmitance simultaneously.
The transmitance of table 1 analog sample 1～7 and the relation of driving voltage
| |
1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Driving voltage (V) | 25 | 30 | 30 | 30 | 35 | 35 | 40 |
| Transmitance | 21.59% | 24.75% | 26.77% | 27.22% | 28.75% | 28.78% | 29.59% |
It should be noted that, because the ratio of the first distance L 1 and second distance L2 is different, particularly and second distance L2 constant when the first distance L 1 is when 2.0～5.5 μ m change, can cause Electric Field Distribution inhomogeneous of 312 at electrode, may make blue phase liquid crystal display device 300 in the inhomogeneous of brightness appears during low GTG.Fig. 6 A～6C is the cross section transmitance scatter chart of the analoging brightness figure under the driving voltage of 20V and 30V after blue phase liquid crystal display device 300 is made according to analog sample 2～4 test conditions.See also shown in Fig. 6 A～6C, when the ratio of the first distance L 1 and second distance L2 2/3 ~ 2/4 the time, low GTG Luminance Distribution is substantially even in the blue phase liquid crystal display device 300.Be preferably the ratio of the first distance L 1 and second distance L2 2/3.5, shown in Fig. 6 B, this moment blue phase liquid crystal display device 300 in low GTG Luminance Distribution the most even.In other words, further contemplate blue phase liquid crystal display device 300 in the homogeneity of low GTG Luminance Distribution, when the ratio range of the first distance L 1 and second distance L2 is 2/3 ~ 2/4, blue phase liquid crystal display device 300 not only has lower driving voltage and higher transmitance simultaneously, and in low GTG Luminance Distribution also be substantially uniform, thereby have preferably display quality.
More than blue phase liquid crystal display device provided by the present invention is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. blue phase liquid crystal display device, it comprises first substrate, and this first substrate second substrate and the blue phase liquid crystal layer between this first substrate and this second substrate that are oppositely arranged, it is characterized in that, be provided with a plurality of electrodes on this first substrate, and respectively this electrode comprises:
The transparent insulation projection, this transparent insulation projection is outstanding to this second substrate by this first substrate, and has the top relative with this second substrate;
The first electrode covers this transparent insulation projection; And
The second electrode covers this transparent insulation projection, and this second electrode is in this formation gap, top of this transparent insulation projection with this first electrode and is electrically insulated each other, is come out by this gap in this top of this transparent insulation projection.
2. blue phase liquid crystal display device as claimed in claim 1, it is characterized in that, these a plurality of electrodes are the strip shaped electric poles that be arranged in parallel, this transparent insulation projection is strip projected parts, this first electrode, this second electrode and this transparent insulation projection are extended along same length direction, and the xsect of this transparent insulation projection is trapezoidal or half elliptic.
3. blue phase liquid crystal display device as claimed in claim 2 is characterized in that, the height of this transparent insulation projection is 1.5～2.0 microns.
4. blue phase liquid crystal display device as claimed in claim 3, it is characterized in that, this gap is with this first electrode and this second electrode gap the first distance, adjacent respectively this electrode interval second distance and being on this first substrate is electrically insulated each other, and the ratio range of this first distance and this second distance is 2/3 ~ 2/4.
5. blue phase liquid crystal display device as claimed in claim 1, it is characterized in that, this transparent insulation projection has the first side, second side relative with this first side, this end face is connected between this first side and this second side, this the first electrode covers the subregion of this first side and this end face, and this second electrode covers the subregion of this second side and this end face.
6. blue phase liquid crystal display device as claimed in claim 5 is characterized in that, the width of this subregion of this this end face of first electrode extension covering and the width that this second electrode extends this subregion that covers this end face are respectively 1～2 micron.
7. blue phase liquid crystal display device as claimed in claim 1, it is characterized in that, this first substrate comprises driving element array base palte and the polarizer, these a plurality of electrodes are arranged on this driving element array base palte, this polarizer is arranged at this driving element array base palte away from a side of this blue phase liquid crystal layer, and this second substrate comprises glass substrate and analyzer, and this analyzer is arranged at this glass substrate away from a side of this blue phase liquid crystal layer.
8. blue phase liquid crystal display device as claimed in claim 7, it is characterized in that, this first substrate also comprises the first insulation course, this first insulation course is arranged between this driving element array base palte and this blue phase liquid crystal layer, and this second substrate also comprises the second insulation course, and this second insulation course is arranged between this glass substrate and this blue phase liquid crystal layer.
9. blue phase liquid crystal display device as claimed in claim 1 is characterized in that, this first electrode and this second electrode are transparent conductive material.
10. blue phase liquid crystal display device as claimed in claim 1 is characterized in that, this blue phase liquid crystal layer is the polymer stabilizing blue phase liquid crystal.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103309095A (en) * | 2013-05-30 | 2013-09-18 | 京东方科技集团股份有限公司 | Array substrate and manufacturing method thereof and display device |
| CN103869557A (en) * | 2014-03-25 | 2014-06-18 | 昆山龙腾光电有限公司 | Blue phase liquid crystal display device |
| CN104714344A (en) * | 2015-03-31 | 2015-06-17 | 合肥京东方光电科技有限公司 | Blue phase liquid crystal display device and production method thereof |
| CN105607381A (en) * | 2016-04-01 | 2016-05-25 | 京东方科技集团股份有限公司 | Liquid crystal lens, manufacturing method thereof and curved-surface display device |
| CN105824158A (en) * | 2016-05-30 | 2016-08-03 | 京东方科技集团股份有限公司 | Array substrate, display device and array substrate manufacturing method |
| US9927666B2 (en) | 2016-04-20 | 2018-03-27 | a.u. Vista Inc. | Liquid crystal display systems and related methods |
| CN108022565A (en) * | 2016-11-02 | 2018-05-11 | 群创光电股份有限公司 | Method of adjustment and display |
| CN113009739A (en) * | 2021-03-22 | 2021-06-22 | 厦门天马微电子有限公司 | Display panel and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9117707B2 (en) | 2013-05-30 | 2015-08-25 | Boe Technology Group Co., Ltd. | Array substrate and display device |
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| CN103309095A (en) * | 2013-05-30 | 2013-09-18 | 京东方科技集团股份有限公司 | Array substrate and manufacturing method thereof and display device |
| CN103309095B (en) * | 2013-05-30 | 2015-08-26 | 京东方科技集团股份有限公司 | A kind of array base palte and preparation method thereof, display device |
| CN103869557A (en) * | 2014-03-25 | 2014-06-18 | 昆山龙腾光电有限公司 | Blue phase liquid crystal display device |
| CN104714344A (en) * | 2015-03-31 | 2015-06-17 | 合肥京东方光电科技有限公司 | Blue phase liquid crystal display device and production method thereof |
| US10025147B2 (en) | 2015-03-31 | 2018-07-17 | Boe Technology Group Co., Ltd. | Blue phase liquid crystal display device and manufacturing method thereof |
| CN105607381A (en) * | 2016-04-01 | 2016-05-25 | 京东方科技集团股份有限公司 | Liquid crystal lens, manufacturing method thereof and curved-surface display device |
| US10698268B2 (en) | 2016-04-01 | 2020-06-30 | Boe Technology Group Co., Ltd. | Liquid crystal lens, manufacturing method thereof and curved display device |
| US9927666B2 (en) | 2016-04-20 | 2018-03-27 | a.u. Vista Inc. | Liquid crystal display systems and related methods |
| CN105824158A (en) * | 2016-05-30 | 2016-08-03 | 京东方科技集团股份有限公司 | Array substrate, display device and array substrate manufacturing method |
| CN108022565A (en) * | 2016-11-02 | 2018-05-11 | 群创光电股份有限公司 | Method of adjustment and display |
| CN108022565B (en) * | 2016-11-02 | 2021-03-30 | 群创光电股份有限公司 | Adjusting method and display |
| CN113009739A (en) * | 2021-03-22 | 2021-06-22 | 厦门天马微电子有限公司 | Display panel and display device |
| CN113009739B (en) * | 2021-03-22 | 2023-02-17 | 厦门天马微电子有限公司 | Display panel and display device |
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