CN104597674A - Display substrate, display panel and display device - Google Patents
Display substrate, display panel and display device Download PDFInfo
- Publication number
- CN104597674A CN104597674A CN201510093187.9A CN201510093187A CN104597674A CN 104597674 A CN104597674 A CN 104597674A CN 201510093187 A CN201510093187 A CN 201510093187A CN 104597674 A CN104597674 A CN 104597674A
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- Prior art keywords
- electrode
- substrate
- display
- electrodes
- base plate
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134363—Electrodes characterised by their geometrical arrangement for applying an electric field parallel to the substrate, i.e. in-plane switching [IPS]
Abstract
The invention relates to a display substrate. The display substrate comprises a first substrate, and a plurality of first electrodes and second electrodes, wherein the first electrodes and the second electrodes are arranged on the first substrate and alternatively arranged; the width, in a direction far from the first substrate, of the first electrodes is gradually reduced, and the width, in a direction far from the first substrate, of the second electrodes is gradually reduced. According to the technical scheme adopted by the invention, the first electrodes and the second electrodes, of which the width is gradually reduced towards the direction far from the first substrate, can be arranged on the first substrate, and strong horizontal electric fields are formed between corresponding surfaces of two electrodes by applying different voltages to the two electrodes. After liquid crystal is filled between the first substrate and a second substrate, the horizontal electric fields can drive the liquid crystal to generate strong deflection, so that the light can easily pass through the liquid crystal, and transmittance of the display panel is improved.
Description
Technical field
The present invention relates to display technique field, in particular to a kind of display base plate, a kind of display panel and a kind of display device.
Background technology
The liquid crystal panel of the relative other types of IPS (In-Plane Switching) panel, maximum feature be exactly it two electrodes all on the same face, instead of electrode is in upper and lower surface respectively, three-dimensional arrangement.IPS panel technology is optimized the arrangement mode of liquid crystal molecule, takes horizontal mode, and when running into ambient pressure, molecular structure is sagging a little downwards, but overall molecule is also horizontal.When running into external force, in screen, liquid crystal molecule structural robustness and stability are far superior to soft screen, so can not produce distortion and affect picture color, can farthest protect picture effect not to be compromised
But two the strip shaped electric poles cross sections being in the same face due to IPS are generally approximately rectangle, as shown in Figure 1, the horizontal component of electric field intensity produced between pixel electrode and public electrode is lower, is difficult to make the liquid crystal between upper and lower base plate that larger deflection occur, and makes the transmitance of panel lower.The transmitance of general ip S panel only can reach about 78% of TN (Twisted Nematic) panel transmitance, so the transmitance promoting IPS panel seems particularly important.
Summary of the invention
Technical matters to be solved by this invention is, how to improve electrode in display base plate and produces the intensity of horizontal component of electric field.
For this purpose, the present invention proposes a kind of display base plate, comprising:
First substrate;
Be arranged at described first suprabasil multiple the first electrode of being alternately arranged and the second electrode,
Described first electrode successively decreases towards the direction width away from described first substrate, and described second electrode successively decreases towards the direction width away from described first substrate.
Preferably, described first electrode and described second electrode are parallel to each other.
Preferably, in the plane perpendicular to described first substrate and described first electrode length direction, the first cross section of described first electrode is identical with the second cross section of described second electrode.
Preferably, the limit that the first cross section of described first electrode is relative with the second cross section of described second electrode is indent camber line.
The invention allows for a kind of display panel, comprise the display base plate described in above-mentioned any one, also comprise:
Another substrate of arranging corresponding to described display base plate;
Be arranged at the liquid crystal between described display base plate and another substrate described,
Described first electrode and the second electrode pass to contrary voltage, to drive described liquid crystal deflection.
Preferably, another substrate described comprises the second substrate, and is arranged at described second suprabasil multiple the 3rd electrode of being alternately arranged and the 4th electrode,
Wherein, described 3rd electrode and described first electrode pair should be arranged, and pass to the voltage with described first electrode homophase, and described 4th electrode and described second electrode pair should be arranged, and pass to the voltage with described second electrode homophase.
Preferably, described 3rd electrode successively decreases towards the direction width away from described second substrate, and described 4th electrode successively decreases towards the direction width away from described second substrate.
Preferably, another substrate described comprises the second substrate, and is arranged at multiple 5th electrodes of described second substrate, and described 5th electrode and described first electrode or the second electrode pair should be arranged,
Described 5th electrode and the first corresponding electrode or the second electrode pass to the voltage of homophase,
And the 5th adjacent electrode passes to anti-phase voltage.
Preferably, described 5th electrode successively decreases towards the direction width away from described second substrate.
The invention allows for a kind of display device, comprise the display panel described in above-mentioned any one.
By technique scheme, the first electrode and the second electrode that successively decrease can being set in the first substrate, by passing to different voltage for two electrodes, between the face that two electrode pairs are answered, forming very strong horizontal component of electric field towards the direction width away from the first substrate.And then between the first substrate and the second substrate after filling liquid crystal, horizontal component of electric field can drive liquid crystal that very strong deflection occurs, thus makes light easily by liquid crystal, to make the transmitance of display panel improve.
Accompanying drawing explanation
Can understanding the features and advantages of the present invention clearly by reference to accompanying drawing, accompanying drawing is schematic and should not be construed as and carry out any restriction to the present invention, in the accompanying drawings:
Fig. 1 shows the schematic diagram of electrode in IPS panel in prior art;
Fig. 2 shows the structural representation of display base plate according to an embodiment of the invention;
Fig. 3 shows the structural representation of the display base plate according to another embodiment of the present invention;
Fig. 4 shows the structural representation of the display base plate according to another embodiment of the present invention;
Fig. 5 shows the structural representation of the display base plate according to another embodiment of the present invention;
Fig. 6 shows the structural representation of display panel according to an embodiment of the invention;
Fig. 7 shows the structural representation of the display panel according to another embodiment of the present invention;
Fig. 8 shows the structural representation of the display panel according to another embodiment of the present invention.
Drawing reference numeral illustrates:
1-first electrode; 2-second electrode; 3-the 3rd electrode; 4-the 4th electrode; 5-the 5th electrode; 10-first substrate; 20-second substrate.
Embodiment
Can more clearly understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
Set forth a lot of detail in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not by the restriction of following public specific embodiment.
As shown in Figure 2, display base plate according to an embodiment of the invention, comprising:
First substrate 10;
Be arranged at multiple the first electrode 1 and the second electrodes 2 be alternately arranged in the first substrate 10,
First electrode 1 successively decreases towards the direction width away from the first substrate 10, and the second electrode 2 successively decreases towards the direction width away from the first substrate 10.
Because the width of the first electrode 1 and the second electrode 2 successively decreases towards the direction width away from the first substrate 10, then towards the direction away from the first substrate 10, the curvature on the first electrode 1 and the second electrode 2 surface diminishes gradually, and on conductor (i.e. the first electrode 1 and the second electrode 2) surface, the position CHARGE DISTRIBUTION that curvature is less is more intensive, so in the first electrode 1 and the second electrode 2 position apart from the first substrate 10, CHARGE DISTRIBUTION is the most intensive.
Therefore, when passing to contrary voltage for the first electrode 1 and the second electrode 2, the electric field that first electrode 1 and the second electrode 2 produce, strengthen gradually from the first substrate 10 towards the direction away from the first substrate 10, and in the direction of court away from the first substrate 10, the face of the first electrode 1 and the second electrode 2 correspondence in away from trend, certain weakening can be produced to the trend of electric-field enhancing.
Because the first electrode 1 and the second electrode 2 mainly form electric field between the face that two electrodes are relative, pixel electrode in Fig. 1 and public electrode are then mainly between the end face of two electrodes, form electric field, so the application shortens the distance between the electrode forming electric field, stronger electric field can be formed relative to electrode of the prior art.And due to the first electrode 1 and the second electrode 2 towards away from the first substrate 10 direction in away from trend, the electric field formed between the electrode that width is successively decreased is comparatively even, thus makes the more even of this electric field driven liquid crystal deflection.
It should be noted that, Fig. 2 illustrate only a kind of embodiment of the present invention, namely the cross section of the first electrode 1 and the second electrode 2 is trapezoidal, in embody rule, demand fulfillment first electrode 1 successively decreases towards the direction width away from the first substrate 10, second electrode 2 successively decreases towards the direction width away from the first substrate 10, and such as, cross section shown in Fig. 3 is leg-of-mutton first electrode 1 and the second electrode 2, also can form the electric field being better than prior art between the first electrode 1 and the face of the second electrode 2 correspondence.
Preferably, the first electrode 1 is pixel electrode, and the second electrode 2 is public electrode.
Preferably, the first electrode 1 and the second electrode 2 are parallel to each other.
First electrode 1 and the second electrode 2 are parallel to each other, and the electric field intensity that formed between corresponding surface between the first electrode 1 and the second electrode 2 can be made stronger, and more even.
Preferably, in the plane perpendicular to the first substrate 10 and the first electrode 1 length direction, the first cross section of the first electrode 1 is identical with the second cross section of the second electrode 2.The electric field of formation between the first electrode 1 and the second electrode 2 can be made more even.
As shown in Figure 4, preferably, the limit that the first cross section of the first electrode 1 is relative with the second cross section of the second electrode 2 is indent camber line.
The limit relative with the cross section in the second cross section, first cross section is indent camber line, the face that then the first electrode 1 is relative with the second electrode 2 is inner sunken face, the electrode that inner sunken face is formed, top curvature is very big on the one hand, therefore larger electric field can be produced with corresponding electrode, obverse away from trend between electrode on the other hand, better even results can be produced to electric field.
As shown in Figure 5, plant display panel according to an embodiment of the invention, comprise the display base plate described in above-mentioned any one, also comprise:
Another substrate of arranging corresponding to display base plate;
Be arranged at the liquid crystal (not shown) between display base plate and another substrate,
First electrode 1 and the second electrode 2 pass to contrary voltage, to drive liquid crystal deflection.
The electric field of high strength can be produced to drive liquid crystal deflection between the first adjacent electrode 1 and the second electrode 2.The electric field of high strength can make the liquid crystal in display panel that larger deflection occurs, and is more tending towards horizontality, thus makes the easier liquid crystal through deflection of light, and then improves the transmitance of display panel.
As shown in Figure 6, preferably, another substrate comprises the second substrate 20, and the 3rd electrode 3 that to be arranged in the second substrate 20 multiple is alternately arranged and the 4th electrode 4,
Wherein, the 3rd electrode 3 is corresponding with the first electrode 1 to be arranged, and passes to the voltage with the first electrode 1 homophase, and the 4th electrode 4 is corresponding with the second electrode 2 to be arranged, and passes to the voltage with the second electrode 2 homophase.
By arranging the 3rd electrode 3 and the 4th electrode 5 in the second substrate 20, subsidiary level electric field can be formed between the 3rd adjacent electrode 3 and the 4th electrode 4, thus drive the liquid crystal near the second substrate 20 to deflect, and then improve the transmitance of display panel.
As shown in Figure 7, preferably, the 3rd electrode 3 successively decreases towards the direction width away from the second substrate 20, and the 4th electrode 4 successively decreases towards the direction width away from the second substrate 20.
The 3rd electrode 3 that width successively decreases and the 4th electrode 4 can form electric field between relative face, shorten the distance between the electrode forming electric field, thus stronger electric field can be formed, and then there is larger deflection in the liquid crystal in driving display panel, more be tending towards horizontality, make the easier liquid crystal through deflection of light, and then improve the transmitance of display panel.
As shown in Figure 8, another substrate comprises the second substrate 20, and multiple 5th electrode the 5, five electrode 5 being arranged at the second substrate 20 and the first electrode 1 or the second electrode 2 is corresponding arranges,
5th electrode 5 and the first corresponding electrode 1 or the second electrode 2 pass to the voltage of homophase,
And the 5th adjacent electrode 5 passes to anti-phase voltage.
By arranging the 5th electrode 5 in the second substrate 20, subsidiary level electric field can be formed between the 5th adjacent electrode 5, thus drive the liquid crystal near the second substrate 20 to deflect, and then improve the transmitance of display panel.
Preferably, the 5th electrode 5 successively decreases towards the direction width away from the second substrate 20.
The 5th electrode 5 that width successively decreases can form electric field between relative face, shorten the distance between the electrode forming electric field, thus stronger electric field can be formed, and then there is larger deflection in the liquid crystal in driving display panel, more be tending towards horizontality, make the easier liquid crystal through deflection of light, and then improve the transmitance of display panel.
Electrode in second substrate 20 can be set according to specific needs, such as, when needing to drive more liquid crystal to produce larger deflection, multiple 3rd electrode 3 and the 4th electrode 4 can be set, such as, when supplying less electricity, the 5th electrode 5 can be only set.
The invention allows for a kind of display device, comprise the display panel described in above-mentioned any one.
It should be noted that, the display device in the present embodiment can be: any product or parts with Presentation Function such as Electronic Paper, mobile phone, panel computer, televisor, notebook computer, digital album (digital photo frame), navigating instrument.
According to technique scheme, the first electrode and the second electrode that successively decrease can being set in the first substrate, by passing to different voltage for two electrodes, between the face that two electrode pairs are answered, forming very strong horizontal component of electric field towards the direction width away from the first substrate.And then between the first substrate and the second substrate after filling liquid crystal, horizontal component of electric field can drive liquid crystal that very strong deflection occurs, thus makes light easily by liquid crystal, to make the transmitance of display panel improve.
In the present invention, term " first ", " second ", " the 3rd ", " the 4th ", " the 5th " only for describing object, and can not be interpreted as instruction or hint relative importance.Term " multiple " refers to two or more, unless otherwise clear and definite restriction.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a display base plate, is characterized in that, comprising:
First substrate;
Be arranged at described first suprabasil multiple the first electrode of being alternately arranged and the second electrode,
Described first electrode successively decreases towards the direction width away from described first substrate, and described second electrode successively decreases towards the direction width away from described first substrate.
2. display base plate according to claim 1, is characterized in that, described first electrode and described second electrode are parallel to each other.
3. display base plate according to claim 2, is characterized in that, in the plane perpendicular to described first substrate and described first electrode length direction, the first cross section of described first electrode is identical with the second cross section of described second electrode.
4. display base plate according to claim 3, is characterized in that, the limit that the first cross section of described first electrode is relative with the second cross section of described second electrode is indent camber line.
5. a display panel, is characterized in that, comprises the display base plate according to any one of Claims 1-4, also comprises:
Another substrate of arranging corresponding to described display base plate;
Be arranged at the liquid crystal between described display base plate and another substrate described,
Described first electrode and the second electrode pass to contrary voltage, to drive described liquid crystal deflection.
6. display panel according to claim 5, is characterized in that, another substrate described comprises the second substrate, and is arranged at described second suprabasil multiple the 3rd electrode of being alternately arranged and the 4th electrode,
Wherein, described 3rd electrode and described first electrode pair should be arranged, and pass to the voltage with described first electrode homophase, and described 4th electrode and described second electrode pair should be arranged, and pass to the voltage with described second electrode homophase.
7. display panel according to claim 6, is characterized in that, described 3rd electrode successively decreases towards the direction width away from described second substrate, and described 4th electrode successively decreases towards the direction width away from described second substrate.
8. display panel according to claim 5, is characterized in that, another substrate described comprises the second substrate, and is arranged at multiple 5th electrodes of described second substrate, and described 5th electrode and described first electrode or the second electrode pair should be arranged,
Described 5th electrode and the first corresponding electrode or the second electrode pass to the voltage of homophase,
And the 5th adjacent electrode passes to anti-phase voltage.
9. display panel according to claim 8, is characterized in that, described 5th electrode successively decreases towards the direction width away from described second substrate.
10. a display device, is characterized in that, comprises the display panel according to any one of claim 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510093187.9A CN104597674A (en) | 2015-03-02 | 2015-03-02 | Display substrate, display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510093187.9A CN104597674A (en) | 2015-03-02 | 2015-03-02 | Display substrate, display panel and display device |
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| CN104597674A true CN104597674A (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510093187.9A Pending CN104597674A (en) | 2015-03-02 | 2015-03-02 | Display substrate, display panel and display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066557A (en) * | 2016-08-10 | 2016-11-02 | 京东方科技集团股份有限公司 | Display floater, display device |
| CN108873504A (en) * | 2018-07-25 | 2018-11-23 | 武汉华星光电技术有限公司 | special-shaped display panel and liquid crystal display device |
| CN110058462A (en) * | 2019-04-26 | 2019-07-26 | 苏州汉朗光电有限公司 | Multistable state liquid srystal light valve display and its driving method |
| CN112631027A (en) * | 2020-12-30 | 2021-04-09 | 惠科股份有限公司 | Display panel, manufacturing method thereof and display device |
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| EP1033606A2 (en) * | 1999-02-25 | 2000-09-06 | Hitachi, Ltd. | Liquid crystal display device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106066557A (en) * | 2016-08-10 | 2016-11-02 | 京东方科技集团股份有限公司 | Display floater, display device |
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| CN108873504A (en) * | 2018-07-25 | 2018-11-23 | 武汉华星光电技术有限公司 | special-shaped display panel and liquid crystal display device |
| CN108873504B (en) * | 2018-07-25 | 2020-04-03 | 武汉华星光电技术有限公司 | Special-shaped display panel and liquid crystal display device |
| CN110058462A (en) * | 2019-04-26 | 2019-07-26 | 苏州汉朗光电有限公司 | Multistable state liquid srystal light valve display and its driving method |
| CN110058462B (en) * | 2019-04-26 | 2022-04-12 | 苏州汉朗光电有限公司 | Multistable liquid crystal light valve display screen and driving method thereof |
| CN112631027A (en) * | 2020-12-30 | 2021-04-09 | 惠科股份有限公司 | Display panel, manufacturing method thereof and display device |
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Application publication date: 20150506 |