CN103913910A - Pixel unit structure, array substrate structure and liquid crystal display device - Google Patents
Pixel unit structure, array substrate structure and liquid crystal display device Download PDFInfo
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- CN103913910A CN103913910A CN201310755329.4A CN201310755329A CN103913910A CN 103913910 A CN103913910 A CN 103913910A CN 201310755329 A CN201310755329 A CN 201310755329A CN 103913910 A CN103913910 A CN 103913910A
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Abstract
The invention discloses a pixel unit structure, an array structure and a liquid crystal display device to solve the problem of poor display effect of a liquid crystal display device in the prior art. The pixel unit structure comprises a first electrode, a second electrode and shielding electrodes, the first electrode is of a faceted structure, a first insulating layer is formed on the first electrode, the second electrode is formed on the first insulating layer and comprises a plurality of strip electrodes which are arranged at intervals, and the shielding electrodes are arranged at the tail ends of the strip electrodes of the second electrode. By the aid of the technical scheme, when the pixel unit structure has electric signals, an Ey-direction electric field generated at the tail ends of the strip electrodes of the second electrode is shielded owing to the shielding electrodes, so that domain lines are effectively avoided, display molecules corresponding to all display areas of the pixel unit structure can rotate according to a preset mode, and image display effects are improved.
Description
Technical field
The present invention relates to display device and make field, relate in particular to a kind of pixel cell structure, array structure and liquid crystal indicator.
Background technology
Along with scientific and technological develop rapidly, the performance of electronic product display device has obtained increasing substantially, and various large scales, high-definition display device are widely applied.
At present, display device adopts TN(Twisted Nematic, twisted-nematic conventionally) display mode, ADS(ADvanced Super Dimension Switch, a senior super dimension switch technology) display mode and FFS(Fringe Filed Switching; Fringe field switching technology) display mode.
FFS display mode is because its visual angle is large, transmittance advantages of higher enjoys market favor.But in FFS display mode of the prior art, pixel cell is away from TFT(Thin Film Transistor, Thin Film Transistor (TFT)) side locate can occur to show abnormal.Fig. 1 is the luminous simulation drawing of a pixel cell of FFS display mode in prior art, and as shown in Figure 1, electrode one end of strip is connected with TFT12, and the other end is to extending in the other direction.Exist in black region 11 away from a side of TFT12 at pixel cell, this black region 11 is exactly to show abnormal region, has reduced the effect showing.
Summary of the invention
Inventor is through research discovery, and in FFS display mode, pixel cell is showing and extremely caused by following reason away from TFT mono-side place generation.
Consult Fig. 2 A and Fig. 2 B, Fig. 2 A is the plan structure figure of a pixel cell of the FFS drive pattern of prior art, in the pixel cell of FFS drive pattern, comprises public electrode 10 and pixel electrode 20, wherein, pixel electrode 20 comprises multiple strip shaped electric poles 200.Fig. 2 B is the schematic cross-section along AA ' in Fig. 2 A.As shown in the figure, in the pixel cell of FFS drive pattern, comprise public electrode 10, pixel electrode 20, and be mixed in the first insulation course 30 between public electrode 10 and pixel electrode 20, wherein, this pixel electrode 20 comprises many strip shaped electric poles 200.
Consult shown in Fig. 2 A, in the time of pixel cell input electrical signal to FFS drive pattern, between each strip shaped electric poles 200 of pixel electrode 20 and public electrode 10, will form x direction electric field Ex, and at strip shaped electric poles 200 ends of pixel electrodes 20 because other electric fields except x direction electric field cannot be cancelled, therefore, there is the electric field E of all directions at strip shaped electric poles 200 ends of pixel electrode 20.Consult shown in Fig. 2 A, electric field E is carried out after force analysis, there is the electric field component Ey of y direction in this electric field E, due in the pixel cell of FFS drive pattern, the main Ex forming by pixel electrode drives and shows that molecule is rotated to present corresponding picture according to predetermined manner, and electric field Ey can not be rotated the demonstration molecule of strip shaped electric poles 200 ends that cause this pixel electrode 20 according to predetermined manner, thereby there is comparatively serious black region 11 in the picture that causes each pixel cell of display device to present, and in the time that the voltage of display device increases, the black region 11 that display device presents on picture will increase, the display effect of picture will be affected greatly.
As can be seen here, in prior art, in the picture that display device presents, there is black region, thereby cause the poor problem of display device picture display effect.
The embodiment of the present invention provides a kind of array base palte and liquid crystal indicator, has the poor problem of display effect in order to solve display device in prior art.
The concrete technical scheme that the embodiment of the present invention provides is as follows:
A kind of pixel cell structure, described pixel cell comprises: the first electrode, the second electrode and guarded electrode;
Described the first electrode is planar structure;
On described the first electrode, be formed with the first insulation course;
Described the second electrode is formed on the first insulation course, and described the second electrode comprises many strip shaped electric poles, interval setting between described many strip shaped electric poles;
End at many strip shaped electric poles of the second electrode is provided with guarded electrode.
An array structure for pixel cell, comprises multiple pixel cells that multi-strip scanning line and data line intersection limit, and described pixel cell is above-mentioned pixel cell.
A kind of liquid crystal indicator, comprises array structure as above, also comprises color membrane substrates, and is arranged at the liquid crystal layer between array base palte and color membrane substrates.
In the embodiment of the present invention, described pixel cell comprises: the first electrode, the second electrode and guarded electrode; Described the first electrode is planar structure; On described the first electrode, be formed with the first insulation course; Described the second electrode is formed on the first insulation course, and described the second electrode comprises many strip shaped electric poles, interval setting between described many strip shaped electric poles; End at many strip shaped electric poles of the second electrode is provided with guarded electrode.Adopt technique scheme, in the time there is electric signal in pixel cell, due to the existence of guarded electrode, the electric field of the Ey direction that the end of the strip shaped electric poles of shielding the second electrode is produced, thereby effectively avoid the appearance in black abnormal show region, ensure that demonstration molecule corresponding to all viewing areas of pixel cell all can be rotated according to predetermined manner, improved picture display effect.
Brief description of the drawings
Fig. 1 is the luminous simulation drawing of a pixel cell of FFS display mode in prior art;
Fig. 2 A is the plan structure figure of a pixel cell of FFS drive pattern in prior art;
Fig. 2 B is that a pixel cell of FFS drive pattern in prior art is along the schematic cross-section of AA ';
The structural representation of the pixel cell that Fig. 3 embodiment of the present invention one provides;
The schematic diagram of the another kind of implementation of the pixel cell that Fig. 4 provides for the embodiment of the present invention one;
The pixel cell that Fig. 5 provides for the embodiment of the present invention one is along the schematic cross-section of BB ';
Via hole position view in the pixel cell that Fig. 6 provides for the embodiment of the present invention one;
The plan structure schematic diagram of the pixel cell that Fig. 7 provides for the embodiment of the present invention two;
The plan structure schematic diagram of the another kind of implementation of the pixel cell that Fig. 8 provides for the embodiment of the present invention two;
Fig. 9 is that vertical view shown in Fig. 8 is along the schematic cross-section of BB ';
Figure 10 is the schematic diagram that via hole is positioned at data line top;
Figure 11 is that vertical view shown in Fig. 8 is along the schematic cross-section of BB ';
Figure 12 is that vertical view shown in Fig. 8 is along the schematic cross-section of CC ';
The array structure schematic diagram that multiple pixel cells that Figure 13 provides for the embodiment of the present invention three form;
Figure 14 is the schematic diagram that via hole 70 is positioned at sweep trace top;
Figure 15 is the schematic diagram of the embodiment of the present invention three another kind of implementations;
Figure 16 is the contrast schematic diagram of prior art and the technology of the present invention directions X electric field strength E x;
Figure 17 is the contrast schematic diagram of prior art and the technology of the present invention Y-direction electric field strength E y.
Embodiment
There is the poor problem of display effect in order to solve display device in prior art.The invention provides a kind of structure of pixel cell, described pixel cell comprises: the first electrode, the second electrode and guarded electrode; Described the first electrode is planar structure; On described the first electrode, be formed with the first insulation course; Described the second electrode is formed on the first insulation course, and described the second electrode comprises many strip shaped electric poles, interval setting between described many strip shaped electric poles; End at many strip shaped electric poles of the second electrode is provided with guarded electrode.Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.
Embodiment mono-
Please refer to Fig. 3, the plan structure schematic diagram of the pixel cell providing for the embodiment of the present invention one.As shown in the figure, the pixel cell that embodiment mono-provides comprises: data line 210, sweep trace 220, TFT12, the first electrode 40, the second electrode 50 and guarded electrode 60, described the first electrode 40 and the second electrode 50 forming surface internal fields.
Particularly, the first electrode 40 is plane-shape electrode, and the second electrode 50 comprises between many strip shaped electric poles 500, the first electrodes 40 and the second electrode 50 being the first insulation course (not shown) for insulating.In embodiment mono-, described the second electrode 50 is pixel electrode, and described the first electrode 40 is public electrode.Between many strip shaped electric poles 500 of described the second electrode 50, for interval arranges, one end of many strip shaped electric poles 500 and the drain electrode of TFT12 of described the second electrode 50 are connected, and the other end is opening shape.End at many strip shaped electric poles 500 of the second electrode 50 is provided with guarded electrode 60.
Consult shown in Fig. 3, in embodiment mono-, described guarded electrode 60 is arranged between the end of each strip shaped electric poles 500 of the second electrode 50, shields the y direction electric field producing between strip shaped electric poles 500 ends of the second electrode 50 by guarded electrode 60.Wherein, the number of guarded electrode 60 equals the skip number between every adjacent two strip shaped electric poles 500 in the second electrode 50, and its size equals the size of space between every adjacent two strip shaped electric poles 500 of the second electrode 50.Wherein, the end of many strip shaped electric poles 500 of above-mentioned the second electrode 50 is the second electrode 50 one end away from thin film transistor (TFT).
Please read Fig. 4, the plan structure schematic diagram of the another kind of implementation of the pixel cell providing for the embodiment of the present invention one.In the another kind of implementation of the embodiment of the present invention one, guarded electrode 60 is arranged between each strip shaped electric poles 500 of the second electrode 50 and each strip shaped electric poles 500 places, shield the y direction electric field of each strip shaped electric poles 500 ends generations of the second electrode 50 by guarded electrode 60, wherein, while being far longer than the size between two strip shaped electric poles 500 outward flanges of outermost of the second electrode 50 due to guarded electrode 60 sizes, to reduce the aperture opening ratio of system, therefore the size of guarded electrode 60 is approximately equal to the size between two strip shaped electric poles 500 outward flanges of outermost of the second electrode 50.The mode of guarded electrode 60 is set compared to the first, in the time adopting the second that the mode of guarded electrode 60 is set, because guarded electrode 60 sizes equal the size between two strip shaped electric poles 500 outward flanges of outermost of the second electrode 50, therefore can shield more reliably the electric field of the y direction of the arc-shaped electric field E generation of each strip shaped electric poles 500 ends generations of the second electrode 50, thereby reduce the black region of abnormal show.
Described guarded electrode 60 can be suspension electrode, also can apply voltage to described guarded electrode 60, and preferably, described guarded electrode 60 is applied with voltage, and its magnitude of voltage equals the magnitude of voltage of pixel cell the first electrode 40.Consult and Figure 5 shows that the schematic cross-section of vertical view shown in Fig. 4 along BB ', because the first electrode 40 is plane-shape electrode, the guarded electrode 60 that is positioned at the first electrode 40 tops can be by running through via hole 70 and its electric connection of the first insulation course 30.Guarded electrode 60 is connected with the current potential of the first electrode 40, and it shields the better effects if of the y direction electric field of the second electrode 50 ends.
Consult shown in Fig. 6, above-mentioned via hole 70 is positioned at the top of data line 210, and guarded electrode 60 is electrically connected by this via hole 70 and the first electrode 40; Or this via hole 70 is positioned at sweep trace 220 tops, guarded electrode 60 is electrically connected by via hole 70 and the first electrode 40.Because data line 210 tops and sweep trace 220 tops are the non-display area of display device, adopt technique scheme, avoid affecting the display effect of display device.Above-mentioned via hole 70 can be circular via hole, can be also rectangle via hole, can also be irregularly shaped via hole; In the time that this via hole 70 is circular via hole, its diameter is at least 3 microns.
Embodiment bis-
Please refer to Fig. 7, the plan structure schematic diagram of the pixel cell providing for the embodiment of the present invention two.As shown in the figure, the pixel cell that embodiment bis-provides comprises: data line 210, sweep trace 220, TFT12, the first electrode 40, the second electrode 50, guarded electrode 60, forming surface internal field between described the first electrode 40 and the second electrode 50.
Concrete, the first electrode 40 is plane-shape electrode, and the second electrode 50 comprises between many strip shaped electric poles 500 and connecting electrode 510, the first electrodes 40 and the second electrode 50 and also comprises the first insulation course (not shown) that plays insulating effect.It between many strip shaped electric poles 500 of the second electrode 50, is interval setting.In embodiment bis-, described the second electrode 50 is pixel electrode, and described the first electrode 40 is public electrode.One end of many strip shaped electric poles 500 and the drain electrode of TFT12 of described the second electrode 50 are connected, and the other end is connected with connecting electrode 510; Connecting electrode 510 is positioned at the second electrode 50 ends many strip shaped electric poles 500 of the second electrode 50 is linked together.Strip shaped electric poles 500 ends at the second electrode 50 are provided with guarded electrode 60.
Consult shown in Fig. 7, in embodiment bis-, described guarded electrode 60 is arranged between each strip shaped electric poles 500 of the second electrode 50 and each strip shaped electric poles 500 places, and this guarded electrode 60 does not cover connecting electrode 510.Shield strip shaped electric poles 500 ends of the second electrode 50 and the y direction electric field that connecting electrode 510 produces by guarded electrode 60.Wherein, the size of guarded electrode 60 is approximately equal to the size between connecting electrode 510 outward flanges of the second electrode 50, has avoided arranging when guarded electrode 60 sizes the problem of the excessive reduction system aperture opening ratio causing.
Refer to Fig. 8, the plan structure schematic diagram of the another kind of implementation of the pixel cell providing for the embodiment of the present invention two.In the another kind of implementation of the embodiment of the present invention two, guarded electrode 60 is arranged between each strip shaped electric poles 500 of the second electrode 50 and each strip shaped electric poles 500 places, and this guarded electrode 60 covers the connecting electrode 510 of the second electrode 50, shield strip shaped electric poles 500 ends of the second electrode 50 and the y direction electric field that connecting electrode 510 produces by guarded electrode 60.Wherein, the size of guarded electrode 60 is approximately equal to the size between connecting electrode 510 outward flanges of the second electrode 50, has avoided arranging when guarded electrode 60 sizes the problem of the excessive reduction system aperture opening ratio causing.
Refer to Fig. 9, for vertical view shown in Fig. 8 is along the schematic cross-section of BB ', described guarded electrode 60 covers described connecting electrode 510, in order to ensure not to be electrically connected between guarded electrode 60 and the second electrode 50, between guarded electrode 60 and the second electrode 50, is also provided with the second insulation course 80.Because the first electrode 40 is plane-shape electrode, therefore, the guarded electrode 60 that is positioned at the first electrode 40 tops can be by running through via hole 70 and its electric connection of the first insulation course 30.Guarded electrode 60 is connected with the current potential of the first electrode 40, and its effect of y direction electric field that shields the second electrode 50 ends is better.
Consult shown in Figure 10, above-mentioned via hole 70 is positioned at the top of data line 210, and guarded electrode 60 is electrically connected by this via hole 70 and the first electrode 40; Or this via hole 70 is positioned at sweep trace 220 tops, guarded electrode 60 is electrically connected by via hole 70 and the first electrode 40.Because data line 210 tops and sweep trace 220 tops are the non-display area of display device, adopt technique scheme, avoid affecting the display effect of display device.Above-mentioned via hole 70 can be circular via hole, can be also rectangle via hole, can also be irregularly shaped via hole; In the time that this via hole 70 is circular via hole, its diameter is at least 3 microns.
Refer to Figure 11, for vertical view shown in Fig. 8 is along the schematic cross-section of BB '.As shown in the figure, guarded electrode 60 also covers the end face of connecting electrode 510 towards the second electrode 50 inside, it is the approximate parcel connecting electrode 510 of guarded electrode 60, Reliable guarantee weakens the y direction electric field of each strip shaped electric poles 500 ends generations of the second electrode 50, further improves the display effect of display device.
Refer to Figure 12, for vertical view shown in Fig. 8 is along the schematic cross-section of CC '.As shown in the figure, the second insulation course 80 wraps up the second electrode 50, the second insulation courses 80 and is greater than or equal to 90 degree away from the angle between side T1 and the first insulation course 30 surface level T2 of connecting electrode 510.Due in the forming process of guarded electrode 60, need to form taking the second insulation course 80 as reference field guarded electrode 60, therefore, when the angle between side T1 and the first insulation course 30 surface level T2 of the second insulation course 80 is greater than 90 while spending, be more conducive to make the connecting electrode 510 of guarded electrode 60 reliable covering the second electrodes 50 that form, thereby ensure the shielding action of the electric field that guarded electrode 60 produces each strip shaped electric poles 500 of the second electrode 50 ends, reduced the black region of abnormal show.
Embodiment tri-
Please refer to Figure 13, the array structure schematic diagram that the multiple pixel cells that provide for the embodiment of the present invention three form.As shown in the figure, the array structure that embodiment tri-provides comprises many data lines 210, multi-strip scanning line 220, and intersects by many data lines 210 and multi-strip scanning line 220 the multiple pixel cells 1 that limit.
Concrete, in each pixel cell 1, comprise the first electrode 40, the second electrode 50 and guarded electrode 60, forming surface internal field between described the first electrode 40 and the second electrode 50.The first electrode 40 is plane-shape electrode, and the second electrode 50 comprises between many strip shaped electric poles 500, the first electrodes 40 and the second electrode 50 being the first insulation course (not shown) for insulating.It between many strip shaped electric poles 500 of described the second electrode 50, is interval setting.In embodiment tri-, described the second electrode 50 is pixel electrode, and described the first electrode 40 is public electrode.One end of many strip shaped electric poles 500 and the drain electrode of TFT12 of described the second electrode 50 are connected, and the other end is opening shape; Or one end of many strip shaped electric poles 500 and the drain electrode of TFT12 of described the second electrode 50 are connected, the other end (not shown) that is connected with connecting electrode.Many strip shaped electric poles 500 ends at the second electrode 50 are provided with guarded electrode 60, for shielding the electric field component of the y direction producing between many strip shaped electric poles 500 ends of the second electrode 50, reduce the black region of abnormal show.
Consult shown in Figure 13, in embodiment tri-, be positioned at same layer as example taking guarded electrode 60 and the second electrode 50, apply voltage to described guarded electrode 60, and this applies magnitude of voltage and equal the magnitude of voltage of pixel cell 1 first electrode 40.Because the first electrode 40 is plane-shape electrode, therefore, the guarded electrode that is positioned at the first electrode 40 tops can be electrically connected by the via hole 70 and the first electrode 40 that run through the first insulation course.Wherein, via hole 70 is positioned at data line 210 tops, and the guarded electrode 60 of pixel cell 1a, pixel cell 1b, pixel cell 1c and pixel cell 1d, by being positioned at the interface channel 90 of data line 210 tops, connects same via hole 70, and be electrically connected by this via hole 70 and the first electrode 40.Adopt technique scheme, multiple pixel cells 1 connect the first electrode 40 by same via hole 70, thereby have simplified manufacture craft.
Refer to Figure 14, in embodiment tri-, above-mentioned via hole 70 can also be positioned at the top of sweep trace 220.Now, if the magnitude of voltage applying to described guarded electrode 60 equals the magnitude of voltage of pixel cell 1 first electrode 40, the guarded electrode 60 of pixel cell 1a, pixel cell 1b is by being positioned at the interface channel 90 of sweep trace 220 tops, connect same via hole 70, and be electrically connected by this via hole 70 and the first electrode 40.
Referring to Figure 15, is the schematic diagram of the embodiment of the present invention three another kind of implementations.In the another kind of implementation of the embodiment of the present invention three, by the guarded electrode 60 of all pixel cells 1 that are positioned at same a line is interconnected, and outside array structure, above-mentioned interconnective guarded electrode 60 is connected to the first electrode 40, make the magnitude of voltage applying to described guarded electrode 60 equal the magnitude of voltage of pixel cell 1 first electrode 40.
The embodiment of the present invention provides a kind of liquid crystal indicator, comprises above-mentioned array structure, also comprises color membrane substrates, and is arranged at the liquid crystal layer between array structure and color membrane substrates.
Concrete, match with above-mentioned array structure, in the color membrane substrates 3 of liquid crystal indicator with on array structure medial surface in opposite directions, be provided with black matrix, and in printing opacity direction, the lightproof part of black matrix blocks guarded electrode.
Please refer to Figure 16 and Figure 17, Figure 16 is the contrast schematic diagram of prior art and the technology of the present invention directions X electric field strength E x, and Figure 17 is the contrast schematic diagram of prior art and the technology of the present invention Y-direction electric field strength E y.From Figure 16 and Figure 17, can see, the technology of the present invention is than prior art, and its electric field strength E x increases and electric field strength E y reduces, and can effectively suppress the area of the black region of abnormal show, improves display effect.
In sum, in the embodiment of the present invention, described pixel cell comprises: the first electrode, the second electrode and guarded electrode; Described the first electrode is planar structure; On described the first electrode, be formed with the first insulation course; Described the second electrode is formed on the first insulation course, and described the second electrode comprises many strip shaped electric poles, interval setting between described many strip shaped electric poles; End at many strip shaped electric poles of the second electrode is provided with guarded electrode.Adopt technique scheme, in the time there is electric signal in pixel cell, due to the existence of guarded electrode, the electric field of the Ey direction that the end of the strip shaped electric poles of shielding the second electrode is produced, thereby effectively avoid farmland line phenomenon, ensure that demonstration molecule corresponding to all viewing areas of pixel cell all can be rotated according to predetermined manner, improved picture display effect.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the embodiment of the present invention the embodiment of the present invention.Like this, if these amendments of the embodiment of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (15)
1. a pixel cell structure, described pixel cell comprises: the first electrode, the second electrode and guarded electrode;
Described the first electrode is planar structure;
On described the first electrode, be formed with the first insulation course;
Described the second electrode is formed on the first insulation course, and described the second electrode comprises many strip shaped electric poles, interval setting between described many strip shaped electric poles;
End at many strip shaped electric poles of the second electrode is provided with guarded electrode.
2. pixel cell structure as claimed in claim 1, is characterized in that, described guarded electrode is arranged between each strip shaped electric poles of the second electrode.
3. pixel cell structure as claimed in claim 1, is characterized in that, described guarded electrode is arranged between each strip shaped electric poles of the second electrode and strip shaped electric poles place.
4. pixel cell structure as claimed in claim 1, is characterized in that, described guarded electrode and the second electrode are positioned at same conductive layer.
5. pixel cell structure as claimed in claim 1, is characterized in that, described the second electrode also comprises connecting electrode, and described connecting electrode links together many strip shaped electric poles in the end of the second electrode.
6. pixel cell structure as claimed in claim 5, is characterized in that, described guarded electrode covers described connecting electrode, and is provided with the second insulation course between described guarded electrode and described connecting electrode.
7. pixel cell structure as claimed in claim 6, is characterized in that, described guarded electrode also covers the end face of connecting electrode towards the second electrode interior.
8. pixel cell structure as claimed in claim 1, is characterized in that, described guarded electrode is electrically connected by the via hole and the first electrode that are positioned at the first insulation course.
9. an array structure for pixel cell, comprises multiple pixel cells that multi-strip scanning line and data line intersection limit, and it is characterized in that, described pixel cell is the arbitrary described pixel cell of claim 1-8.
10. array structure as claimed in claim 9, is characterized in that, described via hole is positioned at the top of data line; Or described via hole is positioned at described sweep trace top.
11. array structures as claimed in claim 9, is characterized in that, the guarded electrode of adjacent multiple pixel cells links together, and are electrically connected by same via hole and the first electrode.
12. array structures as claimed in claim 9, is characterized in that, interconnect, and be electrically connected with the signal of the first electrode outside pixel unit array with the guarded electrode of a line pixel cell.
13. array structures as claimed in claim 9, is characterized in that, described guarded electrode is transparency conducting layer; Or described guarded electrode is metal level.
14. 1 kinds of liquid crystal indicators, is characterized in that, comprise the array structure as described in as arbitrary in claim 9 to 13, also comprise color membrane substrates, and are arranged at the liquid crystal layer between array base palte and color membrane substrates.
15. liquid crystal indicators as claimed in claim 14, is characterized in that, in described color membrane substrates with on described array base palte medial surface in opposite directions, are provided with black matrix, and in printing opacity direction, the lightproof part of described black matrix blocks described guarded electrode.
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| CN201310755329.4A CN103913910B (en) | 2013-12-31 | 2013-12-31 | A kind of pixel cell structure, array base-plate structure and liquid crystal display device |
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| WO2017049674A1 (en) * | 2015-09-25 | 2017-03-30 | 深圳市华星光电技术有限公司 | In-cell touch liquid crystal panel and array substrate thereof |
| CN109856844A (en) * | 2019-03-11 | 2019-06-07 | 合肥鑫晟光电科技有限公司 | A kind of display panel and preparation method, display device |
| CN110865737A (en) * | 2019-11-15 | 2020-03-06 | 京东方科技集团股份有限公司 | Touch substrate and display device |
| TWI694292B (en) * | 2019-03-04 | 2020-05-21 | 友達光電股份有限公司 | Display panel |
| CN113917751A (en) * | 2021-10-25 | 2022-01-11 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and liquid crystal display panel |
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| CN113917751A (en) * | 2021-10-25 | 2022-01-11 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and liquid crystal display panel |
| CN113917751B (en) * | 2021-10-25 | 2023-05-02 | 深圳市华星光电半导体显示技术有限公司 | Array substrate and liquid crystal display panel |
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