CN102346340B - LCD (liquid crystal display) panel - Google Patents
LCD (liquid crystal display) panel Download PDFInfo
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- CN102346340B CN102346340B CN201010249207.4A CN201010249207A CN102346340B CN 102346340 B CN102346340 B CN 102346340B CN 201010249207 A CN201010249207 A CN 201010249207A CN 102346340 B CN102346340 B CN 102346340B
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Abstract
The invention provides an LCD (liquid crystal display) panel which comprises an active element array substrate, an opposite substrate and a liquid crystal layer, wherein the active element array substrate comprises a first substrate, an active element array, a block-up element, a first connecting electrode and a shielding electrode; the block-up element is configured on an active element and a data line of the active element array; the first connecting electrode is arranged above the active element and electrically connected with the active element; the shielding electrode is arranged above the data line and electrically connected to a common potential; the opposite substrate comprises a second substrate, a first electrode, an insulating layer, a second electrode, a spacer and a second connecting electrode; the second electrode is provided with a slit and arranged corresponding to the first electrode; the spacer is arranged corresponding to the active element; and the second connecting electrode covers the spacer, is directly contacted with the first connecting electrode, and electrically connected with the first electrode or the second electrode.
Description
Technical field
The present invention relates to a kind of display panel, relate in particular to a kind of display panels.
Background technology
Generally speaking, liquid crystal display is mainly made up of two substrates and the liquid crystal layer that is disposed between two substrates, disposes multiple dot structures and reach to control the arrangement of liquid crystal molecule the effect of demonstration on one of them substrate.Dot structure comprises multi-strip scanning line, many data lines, multiple active member and multiple pixel electrodes, and wherein pixel electrode is arranged in the sweep trace pixel region crossing with data line.
In order to improve the aperture opening ratio of display panel, conventionally can strengthen as far as possible the area of pixel electrode.But when the distance of pixel electrode and data line approaches very much, the fringe field between data line and pixel electrode may affect swinging to of liquid crystal molecule and cause bright/dark state light leak, and then affect the display quality of display panels.
Summary of the invention
The invention provides a kind of display panels with high-contrast and better display quality.
The invention provides a kind of display panels, it comprises an active component array base board, a subtend substrate and a liquid crystal layer.Active component array base board comprises a first substrate, an active cell array, a padded element, multiple the first connecting electrode and multiple guarded electrode.Active cell array is disposed on first substrate, and active cell array comprises multi-strip scanning line, many data lines and multiple active member.Sweep trace is crossing with data line to define multiple pixel regions, and active member is electrically connected corresponding sweep trace and data line.Padded arrangements of components is on active member and on data line.The first connecting electrode is disposed on padded element, and is positioned at active member top and is electrically connected active member.Guarded electrode is disposed on padded element, and is positioned at data line top, and is electrically connected to a common potential.Subtend substrate is positioned at the top of active component array base board.Subtend substrate comprises a second substrate, multiple the first electrode, an insulation course, multiple the second electrode, multiple sept and multiple the second connecting electrode.The first electrode is disposed on second substrate, and corresponding to pixel region setting.Insulation course is disposed on the first electrode.The second electrode is disposed on insulation course, and corresponding to the first electrode setting, wherein the second electrode has multiple slits.Sept is disposed on insulation course, and the corresponding active member of difference.The second connecting electrode covers sept, and directly contacts with the first connecting electrode, and wherein the second connecting electrode is electrically connected the first electrode or the second electrode.Liquid crystal layer is disposed between active component array base board and subtend substrate.
Based on above-mentioned, the first electrode of using in order to display frame and the second electrode are disposed at subtend substrate by the present invention, and the guarded electrode that is electrically connected to common potential is disposed to the data line top on active component array base board.In the time that display panels of the present invention shows, guarded electrode has shielding action, can avoid the signal that transmits in data line to disturb the voltage in the first electrode and the second electrode that display frame uses.Therefore, the phenomenon of existing dark state light leak can be improved.In addition, the configuration area of the first electrode and the second electrode can moderately be extended to data line top and contribute to improve aperture opening ratio.In other words, display panels of the present invention has higher contrast and display quality preferably.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to elaborate.
Brief description of the drawings
Fig. 1 is the schematic top plan view of a kind of display panels of one embodiment of the invention, and the local schematic top plan view that wherein (a) is active component array base board (b) is the local schematic top plan view of subtend substrate.
Fig. 2 is the partial cutaway schematic of the display panels of Fig. 1.
Fig. 3 is the diagrammatic cross-section of a kind of display panels of another embodiment of the present invention.
Fig. 4 is the diagrammatic cross-section of a kind of display panels of another embodiment of the present invention.
Main description of reference numerals:
100a～100c: display panels; 200a, 200b: active component array base board;
210: first substrate; 220: active cell array;
222: sweep trace; 224: data line;
226: active member; 226a: grid;
226b: gate insulator; 226c: semiconductor layer;
226d: source electrode; 226e: drain electrode;
228: pixel region; 230a, 230b: padded element;
232: contact openings; 234: the first padded patterns;
236: the second padded patterns; 240: the first connecting electrodes;
250: guarded electrode; 300a, 300b: subtend substrate;
310: second substrate; 320: the first electrodes;
330a, 330b: insulation course; 332,702: contact hole;
340: the second electrodes; 342: slit;
350: sept; 360: the second connecting electrodes;
370: filter membranous layer; 400: liquid crystal layer;
500: sense interval thing; 600: induction electrode;
700: protective seam.
Embodiment
Fig. 1 is the schematic top plan view of a kind of display panels of one embodiment of the invention, and the local schematic top plan view that wherein (a) is active component array base board (b) is the local schematic top plan view of subtend substrate.Fig. 2 is the partial cutaway schematic of the display panels of Fig. 1.Please also refer to Fig. 1 and Fig. 2, in the present embodiment, display panels 100a comprises an active component array base board 200a, a subtend substrate 300a and a liquid crystal layer 400.Subtend substrate 300a is positioned at the top of active component array base board 200a.Liquid crystal layer 400 is disposed between active component array base board 200a and subtend substrate 300a.
Active component array base board 200a comprises a first substrate 210, an active cell array 220, a padded element 230a, multiple the first connecting electrode 240 and multiple guarded electrode 250.Active cell array 220 is disposed on first substrate 210, and active cell array 220 comprises multi-strip scanning line 222, many data lines 224 and multiple active member 226.Sweep trace 222 is crossing with data line 224 to define multiple pixel regions 228, and active member 226 is electrically connected corresponding sweep trace 222 and data line 224.
Padded element 230a is disposed on active member 226 and on data line 224.Specifically, in the present embodiment, padded element 230a comprises multiple the first padded patterns 234 and multiple the second padded patterns 236.The first padded pattern 234 is disposed on active member 226, and the second padded pattern 236 is disposed on data line 224.In the present embodiment, the first padded pattern 234 is for example identical rete with the second padded pattern 236, can be by complete the making of the first padded pattern 234 and the second padded pattern 236 with processing procedure simultaneously.
The first connecting electrode 240 is disposed on the first padded pattern 234, and the first connecting electrode 240 is positioned at active member 226 tops and is electrically connected active member 226.Guarded electrode 250 is disposed on the second padded pattern 236, and guarded electrode 250 is positioned at data line 224 tops and is electrically connected to a common potential.Particularly, first connecting electrode 240 of the present embodiment is identical rete with guarded electrode 250, can be by complete the making of the first connecting electrode 240 and guarded electrode 250 with processing procedure simultaneously.In addition, the material of the first connecting electrode 240 is for example indium tin oxide (ITO), and the material of guarded electrode 250 is for example indium tin oxide or other electrically conducting transparent materials.
In detail, active member 226 is made up of a grid 226a, a gate insulator 226b, semi-conductor layer 226c, one source pole 226d and a drain electrode 226e.Grid 226a is disposed on first substrate 210 and with sweep trace 222 and is electrically connected.Gate insulator 226b cover gate 226a and first substrate 210 partly.Semiconductor layer 226c is disposed on gate insulator 226b.Source electrode 226d and drain electrode 226e are disposed at semiconductor layer 226c above, and source electrode 226d can be electrically connected with data line 224.In addition, in the present embodiment, the first connecting electrode 240 is electrically connected the drain electrode 226e of active member 226.
In addition, the display panels 100a of the present embodiment also comprises a protective seam 700 on active component array base board 200a, wherein protective seam 700 be covered on active member 226 with data line 224 on.Protective seam 700 is between active member 226 and the first padded pattern 234 and between data line 224 and the second padded pattern 236, in order to protect active member 226 and data line 224.The material of protective seam 700 is for example the dielectric materials such as silicon dioxide, silicon nitride or silicon oxynitride.It is worth mentioning that, protective seam 700 for example has a contact hole 702 that exposes drain electrode 226e, to make the first connecting electrode 240 be electrically connected drain electrode 226e.
Subtend substrate 300a comprises a second substrate 310, multiple the first electrode 320, an insulation course 330a, multiple the second electrode 340, multiple sept 350 and multiple the second connecting electrode 360.The first electrode 320 is disposed on second substrate 310, and arranges corresponding to pixel region 228.Insulation course 330a is disposed on the first electrode 320.It is upper that the second electrode 340 is disposed at insulation course 330a, and arrange corresponding to the first electrode 320, and wherein the second electrode 340 has multiple slits 342.It is upper that sept 350 is disposed at insulation course 330a, and the corresponding active member 226 of difference.The second connecting electrode 360 covers sept 350, and directly contacts with the first connecting electrode 240, and wherein the second connecting electrode 360 is electrically connected the first electrode 320 or the second electrode 340.Particularly, in the present embodiment, the second connecting electrode 360 is to be directly electrically connected the second electrode 340, and the first electrode 320 is connected to common potential.
In the present embodiment, the second electrode 340 is for example identical rete with the second connecting electrode 360, can be by complete the making of the second electrode 340 and the second connecting electrode 360 with processing procedure simultaneously.In fact, the second connecting electrode 360 can be a part for the second electrode 340, and namely both are formed by same electrode pattern.In addition, subtend substrate 300a can be for example a colorized optical filtering laminar substrate, and subtend substrate 300 can also comprise a colored light filter membrane layer 370, and wherein colored light filter membrane layer 370 is disposed between second substrate 310 and the first electrode 320.Certainly,, in other unshowned embodiment, subtend substrate also can be selected transparent substrates.Now, colored light filter membrane layer for example can be disposed on first substrate 210.
Because the first electrode 320 of using in order to display frame and the second electrode 340 are disposed at subtend substrate 300a by the present embodiment, and the guarded electrode 250 that is electrically connected to common potential is disposed to data line 224 tops on active component array base board 200a.The first electrode 320 and the second electrode 340 are upper because being disposed at subtend substrate 300a, and the voltage signal of the first electrode 320 and the second electrode 340 is not easy to be subject to the voltage signal impact of data line 224.Therefore, the configuration area of the first electrode 320 and the second electrode 340 can moderately be extended to data line 224 tops, contributes to improve aperture opening ratio.In brief, the display panels 100a of the present embodiment has higher contrast and display quality preferably.In addition, in the time that display panels 100a shows, guarded electrode 250 has shielding action, can further avoid the signal that transmits in data line 224 to disturb the voltage in the first electrode 320 and the second electrode 340 that display frame uses.In other words, the design of the display panels 100a of the present embodiment can improve the phenomenon of existing dark state light leak.
In addition, first electrode 320 of the present embodiment, insulation course 330a and the second electrode 340 can expose part second substrate 310.Display panels 100a also comprises at least one sense interval thing 500 and at least one induction electrode 600, and wherein sense interval thing 500 is disposed on the part second substrate 310 being exposed, and is positioned at the top of data line 224.Induction electrode 600 covers sense interval thing 500, and sense interval thing 500 is identical rete with sept 350, can be by complete the making of sense interval thing 500 and sept 350 with processing procedure simultaneously.
Particularly, in the present embodiment, the width of a part for the corresponding sense interval thing 500 of the second padded pattern 236 can be greater than the width of other parts, and second of data line 224 tops the padded pattern 236 has larger width in corresponding sense interval thing 500 places.In addition, the material of induction electrode 600 is for example indium tin oxide.
In the present embodiment, sense interval thing 500 is directly disposed on second substrate 310.So, between the second padded pattern 236 on the sense interval thing 500 in display panels 100a and data line 224, there is a distance.In the time that user touches display panels 100a, subtend substrate 300a can produce deflection because of external force, makes the induction electrode 600 on sense interval thing 500 directly contact with corresponding guarded electrode 250 and produce short circuit.Now, the current potential of induction electrode 600 can be passed to guarded electrode 250, and a wafer (not shown) that connects guarded electrode 250 can become current potential computing received guarded electrode 250 coordinate of corresponding user's touch position.In other words, in the display panels 100a of the present embodiment, also have the element design with touch controllable function.
In addition, due to the corresponding sense interval thing of the second padded pattern 236,500 places have larger width, therefore in the time that user touches display panels 100a, can guarantee further guarded electrode 250 conductings up and down on induction electrode 600 and corresponding the second padded pattern 236 on sense interval thing 500, to improve the yield of display panels 100a.
It is worth mentioning that, the contour structures design of padded element 230a can have other variation.For instance, please refer to Fig. 3, the display panels 100b of Fig. 3 is similar to the display panels 100a of Fig. 2, the two Main Differences part is: the padded element 230b of Fig. 3 is a continuous padded layer, and padded element 230b has multiple contact openings 232, the first connecting electrodes 240 and is electrically connected active member 226 by contact openings 232.
Moreover the electrical relation between the structural design of the insulation course 330a on subtend substrate 300a and the first electrode 320, the second electrode 340 and the second connecting electrode 360 can have other variation.For instance, please refer to Fig. 4, the display panels 100c of Fig. 4 is similar to the display panels 100a of Fig. 2, the two Main Differences part is: insulation course 330b has a contact hole 332 that exposes the first electrode 320, and the second connecting electrode 360 is electrically connected to the first electrode 320 by contact hole 332.Now, the second electrode 340 is to be for example connected to common potential.In fact, one of them is connected to common potential the first electrode 320 and the second electrode 340, and the first electrode 320 and the second electrode 340 one of them be connected to the drain electrode 226e of active member 226, can obtain the wide viewing angle display effect that produces fringe field and switch (FFS).
In sum, because the present invention disposes the electrode that connects the active member on active component array base board and the electrode that connects common potential on subtend substrate, and configure guarded electrode above data line on active component array base board.Therefore,, in the time showing, the electrode on subtend substrate can obtain respectively different voltage and produce marginal field effect, and makes display panels present the display effect of wide viewing angle.Meanwhile, the guarded electrode of data line top has shielding action, can avoid the phenomenon of existing dark state light leak.In other words, display panels of the present invention has higher contrast and display quality preferably.In addition, display panels of the present invention also can built-inly have the element design of touch controllable function.In the time of user's touch control LCD (Liquid Crystal Display) panel, because the width of the part of the corresponding sense interval thing of padded pattern is greater than the width of other parts, therefore the guarded electrode conducting up and down on induction electrode and the corresponding padded pattern on sense interval thing can be guaranteed further, the yield of display panels can be improved.
Although the present invention discloses as above with embodiment; but it is not in order to limit the present invention; technical field technician under any; without departing from the spirit and scope of the present invention; when can changing arbitrarily and being equal to replacement, therefore working as the scope being defined with the application's claim, protection scope of the present invention is as the criterion.
Claims (12)
1. a display panels, comprising:
One active component array base board, comprising: a first substrate; One active cell array, be disposed on this first substrate, and this active cell array comprises multi-strip scanning line, many data lines and multiple active member, described sweep trace is crossing with described data line to define multiple pixel regions, and described active member is electrically connected corresponding described sweep trace and described data line;
One subtend substrate, is positioned at the top of this active component array base board, comprising: a second substrate; And
One liquid crystal layer, is disposed between this active component array base board and this subtend substrate, it is characterized in that, this active component array base board more comprises: a padded element, is disposed on described active member and on described data line; Multiple the first connecting electrodes, are disposed on this padded element, and are positioned at described active member top and are electrically connected described active member; Multiple guarded electrodes, are disposed on this padded element, and are positioned at described data line top, and are electrically connected to a common potential; And
This subtend substrate more comprises: multiple the first electrodes, be disposed on this second substrate, and corresponding to described pixel region setting; One insulation course, is disposed on described the first electrode; Multiple the second electrodes, are disposed on this insulation course, and corresponding to described the first electrode setting, wherein said the second electrode has multiple slits; Multiple septs, are disposed on this insulation course, and the corresponding described active member of difference; Multiple the second connecting electrodes, cover described sept, and directly contact with described the first connecting electrode, and wherein said the second connecting electrode is electrically connected described the first electrode or described the second electrode.
2. display panels according to claim 1, wherein said the first connecting electrode is identical rete with described guarded electrode.
3. display panels according to claim 1, wherein said the second electrode is identical rete with described the second connecting electrode.
4. display panels according to claim 1, wherein said the second connecting electrode directly connects described the second electrode, and described the first electrode is connected to this common potential.
5. display panels according to claim 1, wherein this insulation course has a contact hole that exposes described the first electrode, and described the second connecting electrode is electrically connected to described the first electrode by this contact hole, and described the second electrode is connected to this common potential.
6. display panels according to claim 1, wherein said the first electrode, this insulation course and described the second electrode expose this second substrate of part, described display panels also comprises at least one sense interval thing and at least one induction electrode, this at least one sense interval thing is disposed on this second substrate of part being exposed, and be positioned at described data line top, and this at least one induction electrode covers this at least one sense interval thing.
7. display panels according to claim 1, wherein this padded element is a continuous padded layer, and this padded layer has multiple contact openings, described the first connecting electrode is electrically connected described active member by described contact openings.
8. display panels according to claim 1, wherein this padded element comprises multiple the first padded patterns and multiple the second padded pattern, described the first padded pattern arrangement is on described active member, and described the second padded pattern arrangement is on described data line.
9. display panels according to claim 8, wherein said the first electrode, this insulation course and described the second electrode expose this second substrate of part, described display panels also comprises at least one sense interval thing and at least one induction electrode, this at least one sense interval thing is disposed on this second substrate of part being exposed, and be positioned at described data line top, and this at least one induction electrode covers this at least one sense interval thing.
10. display panels according to claim 9, the described second padded pattern of wherein said data line top is in to having larger width at least one sense interval thing place.
11. display panels according to claim 1, also comprise a protective seam, are covered on described active member and described data line, and between described active member and this padded element and between described data line and this padded element.
12. display panels according to claim 1, wherein this subtend substrate also comprises a filter membranous layer, is disposed between this second substrate and described the first electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010249207.4A CN102346340B (en) | 2010-08-03 | 2010-08-03 | LCD (liquid crystal display) panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010249207.4A CN102346340B (en) | 2010-08-03 | 2010-08-03 | LCD (liquid crystal display) panel |
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| Publication Number | Publication Date |
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| CN102346340A CN102346340A (en) | 2012-02-08 |
| CN102346340B true CN102346340B (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010249207.4A Expired - Fee Related CN102346340B (en) | 2010-08-03 | 2010-08-03 | LCD (liquid crystal display) panel |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293776A (en) * | 2013-05-07 | 2013-09-11 | 北京京东方光电科技有限公司 | Array substrate and preparation method and display device thereof |
| CN103926727B (en) * | 2013-12-24 | 2017-08-25 | 上海天马微电子有限公司 | Touch display panel and display device |
| CN104407760B (en) * | 2014-10-13 | 2018-02-27 | 京东方科技集团股份有限公司 | A kind of In-cell touch panel and display device |
| CN104867939A (en) * | 2015-04-13 | 2015-08-26 | 合肥京东方光电科技有限公司 | Pixel unit, preparation method thereof, array substrate and display device |
| CN104880878B (en) * | 2015-06-19 | 2019-10-15 | 京东方科技集团股份有限公司 | Array substrate and preparation method thereof and display device |
| CN105182642B (en) * | 2015-09-23 | 2018-07-03 | 武汉华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device |
| CN105242470B (en) * | 2015-11-09 | 2018-09-11 | 武汉华星光电技术有限公司 | A kind of liquid crystal display panel and liquid crystal display device |
| CN106601755A (en) * | 2017-01-10 | 2017-04-26 | 北京理工大学 | Structure design of avoiding pixel electrode open and preparation technology thereof |
| CN107561759A (en) * | 2017-09-19 | 2018-01-09 | 惠科股份有限公司 | Touch control display device |
| CN108427229A (en) * | 2018-05-08 | 2018-08-21 | 深圳市华星光电技术有限公司 | Liquid crystal display panel |
| CN111948843B (en) * | 2020-08-10 | 2023-12-26 | Tcl华星光电技术有限公司 | Liquid crystal display panel having a light shielding layer |
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| CN101038385A (en) * | 2006-02-20 | 2007-09-19 | 三星电子株式会社 | Liquid crystal display panel and liquid crystal display panel having the same |
| CN101097372A (en) * | 2006-06-30 | 2008-01-02 | 三星电子株式会社 | Display substrate and display panel having the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI261716B (en) * | 2004-05-13 | 2006-09-11 | Quanta Display Inc | Liquid crystal display apparatus and fabrication thereof |
| JP2010139555A (en) * | 2008-12-09 | 2010-06-24 | Sony Corp | Liquid crystal panel and liquid crystal display device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101038385A (en) * | 2006-02-20 | 2007-09-19 | 三星电子株式会社 | Liquid crystal display panel and liquid crystal display panel having the same |
| CN101097372A (en) * | 2006-06-30 | 2008-01-02 | 三星电子株式会社 | Display substrate and display panel having the same |
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