CN203149252U - Liquid crystal pixel electrode structure, array substrate and display device - Google Patents
Liquid crystal pixel electrode structure, array substrate and display device Download PDFInfo
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- CN203149252U CN203149252U CN 201320168342 CN201320168342U CN203149252U CN 203149252 U CN203149252 U CN 203149252U CN 201320168342 CN201320168342 CN 201320168342 CN 201320168342 U CN201320168342 U CN 201320168342U CN 203149252 U CN203149252 U CN 203149252U
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Abstract
The utility model discloses a liquid crystal pixel electrode structure, an array substrate and a display device and belongs to the technical field of displaying. The electrode structure comprises first pixel electrodes, second pixel electrodes and public electrodes, wherein the first pixel electrodes and the second pixel electrodes are sequentially arranged at intervals and located above the publish electrodes, the driving voltage of the first pixel electrodes and the driving voltage of the second pixel electrodes are different, and equal voltage difference absolute values are respectively formed among the first pixel electrodes and the public electrodes, and among the second pixel electrodes and the public electrodes. The two kinds of pixel electrodes can generate electric fields mutually, and meanwhile the two kinds of electrodes can generate electric fields with the public electrodes respectively, the two kinds of electric fields can be integrated to reduce the demands of the driving voltage, and then energy consumption is reduced. Besides, slit electrodes are adopted as the public electrodes, and thus light transmissivity is promoted.
Description
Technical field
The utility model relates to the display technique field, is specifically related to a kind of liquid crystal pixel electrodes structure, array base palte and display device.
Background technology
In lcd technology, AD-SDS(ADvanced Super Dimension Switch, a senior super dimension switch technology, abbreviation ADS) pattern replaces TN(Twisted Nematic gradually with transmitance height, wide visual angle, response speed advantage fast and low in energy consumption) liquid crystal mode, become one of important technology of field of liquid crystal display.
The electric field that the electric field that produces by gap electrode edge in the same plane based on the display of ADS pattern and gap electrode layer and plate electrode interlayer produce forms multi-dimensional electric field, make in the liquid crystal cell between gap electrode, all aligned liquid-crystal molecules can both produce rotation directly over the electrode, thereby improved the liquid crystal work efficiency and increased light transmission efficiency.A senior super dimension switch technology can improve the picture quality of TFT-LCD product, has high resolving power, high permeability, low-power consumption, wide visual angle, high aperture, low aberration, no water of compaction ripple advantages such as (push Mura).
The structure of existing ADS pattern display panel as shown in Figure 1, comprise color membrane substrates 2, array base palte 3 and both liquid crystal 1 to pouring into after the box, wherein array base palte 3 also comprises pixel electrode 4 (being equivalent to gap electrode), public electrode 5 and passivation layer 6.Not making alive state is represented on the dotted line left side among Fig. 1, and the making alive state is represented on the right.When making alive, box internal electric field line is parabolic shape, the liquid crystal molecule rotation that under the electric field line effect, is distorted, thus reach the purpose of control light.The light transmission rate of existing ADS pattern electrode structure is shown in curve among Fig. 2, and light transmission rate is in edge's maximum of pixel electrode, and place between adjacent pixel electrodes and in the middle of the pixel electrode, light transmission rate is minimum.
In existing ADS pattern, the design of adopting single pixel electrode to cover public electrode fully, electrode be one deck ito thin film normally, and the ITO transmitance is about 0.91, light is about 0.80 through the transmitance of pixel electrode and the two-layer ito thin film of public electrode, and loss is near 0.20.In addition, in the existing ADS pattern between the adjacent pixel electrodes and the centre position electric field of pixel electrode a little less than, need higher driving voltage to guarantee liquid crystal drive.
The utility model content
The technical problems to be solved in the utility model is: provide a kind of and can improve existing ADS pattern transmitance, and reduce driving voltage, reduce liquid crystal pixel electrodes structure, array base palte and the display device of energy consumption.
For addressing the above problem, the utility model provides a kind of liquid crystal pixel electrodes structure, it comprises: first pixel electrode and second pixel electrode and public electrode, described first pixel electrode and second pixel electrode are intervally arranged successively, and be positioned at described public electrode top, described first pixel electrode is different with the driving voltage of second pixel electrode, and forms the voltage difference absolute value that equates respectively with between the described public electrode.
Preferably, described public electrode is gap electrode.
Preferably, the aperture position of described gap electrode is corresponding to the position of described first pixel electrode or described second pixel electrode.
Preferably, the area of described opening is less than the area of corresponding described first pixel electrode or described second pixel electrode.
Preferably, described first pixel electrode and second pixel electrode are made by the ITO material.
Preferably, described public electrode is made by the ITO material.
Preferably, described electrode structure also comprises the passivation layer between described public electrode and described first pixel electrode and second pixel electrode.
The utility model also provides a kind of array base palte, comprises above-mentioned electrode structure.
The utility model also provides a kind of display device, comprises above-mentioned array base palte.
Two kinds of pixel electrodes can produce electric field mutually in the utility model, and these two kinds of electrodes also can produce electric field with public electrode respectively simultaneously, and two kinds of electric fields integrate the demand that can reduce driving voltage, reduce energy consumption.In addition, public electrode adopts gap electrode in the utility model, and light transmission rate gets a promotion.
Description of drawings
Fig. 1 is the structural drawing of existing ADS pattern display panel;
Fig. 2 is the light transmission rate curve of existing ADS pattern electrode structure;
Fig. 3 is the liquid crystal pixel electrodes structural drawing under a kind of ADS pattern of providing of the utility model;
Fig. 4 is the synoptic diagram of the required driving voltage that provides among a kind of embodiment of the utility model;
Fig. 5 is the light transmission rate curve of a kind of ADS pattern electrode structure of providing of the utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.
Fig. 3 is the liquid crystal pixel electrodes structural drawing under a kind of ADS pattern of providing of the utility model, comprise: first pixel electrode 7 and second pixel electrode 8 and public electrode 9, described first pixel electrode 7 and second pixel electrode 8 are intervally arranged successively, and are positioned at described public electrode 9 tops.
Described first pixel electrode 7 is different with the driving voltage of second pixel electrode 8, can produce electric field between them, and its electric field line is labeled as 10.Simultaneously, first pixel electrode 7 and second pixel electrode 8 produce electric field respectively and between the public electrode 9 again, and its electric field line is labeled as 11.
In the utility model, first pixel electrode 7 and second pixel electrode 8 form the voltage difference that equates respectively with between the public electrode 9.For example, the driving voltage that provides for first pixel electrode 7 and second pixel electrode 8 is respectively 8v and 0v, the driving voltage that provides for public electrode 9 is 4v, voltage difference between first pixel electrode 7 and second pixel electrode 8 is 8v so, and the voltage difference absolute value between these two kinds of pixel electrodes and the public electrode 9 is 4v.Fig. 4 is the synoptic diagram of the required driving voltage that provides of present embodiment.
In the existing ADS pattern between the adjacent pixel electrodes and the centre position electric field of pixel electrode a little less than, need higher driving voltage guarantee liquid crystal drive.Have benefited from the electric field action between first pixel electrode 7 and second pixel electrode 8 in the utility model, the combined action by two kinds of electric fields (10 and 11) has reduced the demand to driving voltage, has reduced energy consumption.
Wherein, first pixel electrode 7 and second pixel electrode 8 are made by the ITO material, and public electrode 9 is also made by the ITO material, and described electrode structure also comprises the passivation layer between public electrode 9 and first pixel electrode 7 and second pixel electrode 8.
Because public electrode is etched away part zone, make that light need not to see through two-layer ITO electrode, promoted transmitance.Simultaneously, because the area of public electrode reduces, can reduce storage capacitors C, reduce power consumption, further cut down the consumption of energy.Memory capacitance wherein
ε is specific inductive capacity, and S is the public electrode area overlapping with corresponding pixel electrode, and d is the distance between public electrode and the pixel electrode.
The light transmission rate curve of the ADS pattern electrode structure that the utility model provides as can be seen from the figure, compared with prior art, is improved with the middle light transmission rate of locating of pixel electrode between the adjacent pixel electrodes as shown in Figure 5.
The utility model also provides a kind of array base palte, and described array base palte comprises above-mentioned electrode structure.The utility model also provides a kind of display device, and described display device comprises above-mentioned array base palte.
The above only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and replacement, these improvement and replacement also should be considered as protection domain of the present utility model.
Claims (9)
1. liquid crystal pixel electrodes structure, it is characterized in that, comprise: first pixel electrode and second pixel electrode and public electrode, described first pixel electrode and second pixel electrode are intervally arranged successively, and be positioned at described public electrode top, described first pixel electrode is different with the driving voltage of second pixel electrode, and forms the voltage difference absolute value that equates respectively with between the described public electrode.
2. liquid crystal pixel electrodes structure as claimed in claim 1 is characterized in that, described public electrode is gap electrode.
3. liquid crystal pixel electrodes structure as claimed in claim 2 is characterized in that, the aperture position of described gap electrode is corresponding to the position of described first pixel electrode or described second pixel electrode.
4. liquid crystal pixel electrodes structure as claimed in claim 3 is characterized in that, the area of described opening is less than the area of corresponding described first pixel electrode or described second pixel electrode.
5. liquid crystal pixel electrodes structure as claimed in claim 1 is characterized in that, described first pixel electrode and second pixel electrode are made by the ITO material.
6. liquid crystal pixel electrodes structure as claimed in claim 1 is characterized in that, described public electrode is made by the ITO material.
7. liquid crystal pixel electrodes structure as claimed in claim 1 is characterized in that, described electrode structure also comprises the passivation layer between described public electrode and described first pixel electrode and second pixel electrode.
8. an array base palte is characterized in that, comprises each described liquid crystal pixel electrodes structure as claim 1-7.
9. a display device is characterized in that, comprises array base palte as claimed in claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320168342 CN203149252U (en) | 2013-04-07 | 2013-04-07 | Liquid crystal pixel electrode structure, array substrate and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320168342 CN203149252U (en) | 2013-04-07 | 2013-04-07 | Liquid crystal pixel electrode structure, array substrate and display device |
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| CN203149252U true CN203149252U (en) | 2013-08-21 |
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| CN 201320168342 Expired - Lifetime CN203149252U (en) | 2013-04-07 | 2013-04-07 | Liquid crystal pixel electrode structure, array substrate and display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176317A (en) * | 2013-04-07 | 2013-06-26 | 合肥京东方光电科技有限公司 | Liquid crystal pixel electrode structure, array substrate and display device |
| CN103439840A (en) * | 2013-08-30 | 2013-12-11 | 京东方科技集团股份有限公司 | Array substrate, display device and method for manufacturing array substrate |
-
2013
- 2013-04-07 CN CN 201320168342 patent/CN203149252U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176317A (en) * | 2013-04-07 | 2013-06-26 | 合肥京东方光电科技有限公司 | Liquid crystal pixel electrode structure, array substrate and display device |
| CN103176317B (en) * | 2013-04-07 | 2016-02-10 | 合肥京东方光电科技有限公司 | Liquid crystal pixel electrode structure, array base palte and display device |
| CN103439840A (en) * | 2013-08-30 | 2013-12-11 | 京东方科技集团股份有限公司 | Array substrate, display device and method for manufacturing array substrate |
| WO2015027632A1 (en) * | 2013-08-30 | 2015-03-05 | 京东方科技集团股份有限公司 | Array substrate, display device, and method for manufacturing the array substrate |
| CN103439840B (en) * | 2013-08-30 | 2017-06-06 | 京东方科技集团股份有限公司 | A kind of manufacture method of array base palte, display device and array base palte |
| US9759958B2 (en) | 2013-08-30 | 2017-09-12 | Boe Technology Group Co., Ltd. | Array substrate, display device and method for manufacturing array substrate |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130821 |