CN101452164A - TFT-LCD array substrate - Google Patents
TFT-LCD array substrate Download PDFInfo
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- CN101452164A CN101452164A CNA2007101789448A CN200710178944A CN101452164A CN 101452164 A CN101452164 A CN 101452164A CN A2007101789448 A CNA2007101789448 A CN A2007101789448A CN 200710178944 A CN200710178944 A CN 200710178944A CN 101452164 A CN101452164 A CN 101452164A
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Abstract
The present invention relates to a TFT-LCD array substrate which comprises a grid line formed on a substrate, a data line, a pixel electrode and a thin film transistor. At the intersection part of grid line and data line, the grid lines which are positioned at two sides of data lines are connected through a grid connecting line which forms a two-point or multi-point intersection structure with the data line, and/or the data lines at two sides of grid line are connected through a data connecting line which forms a two-point or multi-point intersection structure with the grid line. The TFT-LCD array substrate according to the invention not only reduces the probability of inferior short circuit of grid line/data line, but also reduces the probability of grid line broken circuit or data line broken circuit through installing at least two first grid connecting lines intersected with the data line and/or installing at least two first data connecting lines intersected with the grid lines at the intersection. Simultaneously the TFT-LCD array substrate according to the invention also has the advantages of simple restoring, less working procedure, short time and high success rate of maintenance when the grid line/data line generates short circuit or inferior short circuit.
Description
Technical field
The present invention relates to a kind of Thin Film Transistor-LCD, especially a kind of thin-film transistor LCD device array substrate.
Background technology
Thin Film Transistor-LCD (Thin Film Transistor Liquid CrystalDisplay, be called for short TFT-LCD) have characteristics such as volume is little, low in energy consumption, radiationless, manufacturing cost is relatively low, occupied leading position in current flat panel display market.The TFT-LCD array base palte is one of vitals of TFT-LCD, its structure as shown in figure 12, mainly comprise substrate as substrate, be formed on gate electrode 41 and grid line 10 on the substrate, be formed on gate electrode 41 and the grid line 10 and cover the gate insulation layer (not shown) of whole base plate, be formed on the semiconductor layer (not shown) of gate electrode top, doped semiconductor layer (not shown) and by source electrode 42, the source-drain electrode that drain electrode 43 is formed, form data line 20 simultaneously with grid line 10 square crossings, the passivation layer (not shown) covers whole base plate, the top that is positioned at drain electrode 43 offers passivation layer via hole 44, pixel electrode 30 is formed on pixel region, and pixel electrode 30 is connected with drain electrode 43 by passivation layer via hole 44.Wherein the gate electrode 41 that is connected with grid line 10 is as the switch of active components and parts, the source electrode 42 that is connected with data line 20 and with drain electrode 43 that pixel electrode 30 is connected between form conducting channel, semiconductor layer is as active layer.
From the structure of prior art TFT-LCD array base palte as can be seen, the infall of grid line and data line only separates insulation by gate insulation layer, and therefore in the TFT-LCD array base palte was produced, the infall of grid line and data line took place various bad easily.For example, because foreign matter in producing or static can cause the short circuit between grid line and the data line.When grid line/data line short circuit (DG Short) takes place when, need successively deliver to sideline reparation (Cut Repair) equipment and chemical vapor deposition (CVD) equipment keeps in repair, idiographic flow is: the two ends cut-out that will be short-circuited and locate grid line or data line by the sideline prosthetic appliance earlier, delivering to chemical vapor depsotition equipment again connects by depositing operation grid line or the data line that cuts off, not only operation is many, complicated operation, time is long, and the pixel that reconnects the position occurs badly in subsequent handling easily once more, and repairable rate is low.In addition, the infall of grid line and data line takes place easily also that grid line opens circuit (GateOpen) or data line opens circuit (Data Open).When taking place that grid line opens circuit or data line opens circuit, also need to deliver to chemical vapor depsotition equipment and connect by depositing operation, there are problems such as operation is many, the time is long, repairable rate is low equally.
Summary of the invention
The purpose of this invention is to provide a kind of TFT-LCD array base palte, with technological deficiency such as grid line takes place easily in the existing TFT-LCD array base palte production of effective solution and data line short circuit, grid line open circuit or data line opens circuit, and further solve technological deficiencies such as the prior art maintenance procedures is many, the time is long, success ratio is low.
To achieve these goals, the invention provides a kind of TFT-LCD array base palte, comprise the grid line, data line, pixel electrode and the thin film transistor (TFT) that are formed on the substrate, at grid line and data line infall, the grid line that is positioned at described data line both sides is by being connected with grid connecting line that described data line forms two point or multiple spot decussate texture, and/or the data line that is positioned at described grid line both sides is connected by the data connecting line with described grid line formation two point or multiple spot decussate texture.
Described grid connecting line can be at least two first grid connecting lines, and described first grid connecting line is identical with described grid line material, and is positioned at same one deck with described grid line.
Described grid connecting line also can be at least one second grid connecting line, and the described second grid connecting line is identical with described pixel electrode material, and is positioned at same one deck with described pixel electrode.
Described grid connecting line can also be at least two first grid connecting lines and at least one second grid connecting line, described first grid connecting line is identical with described grid line material, and be positioned at same one deck with described grid line, the described second grid connecting line is identical with described pixel electrode material, and is positioned at same one deck with described pixel electrode.
Further, described first grid connecting line is straight line or camber line, and the width of each described first grid connecting line is 1/10～1/3 of a grid line width, and the distance between the first grid connecting line is 1/10～1/3 of a grid line width.The described second grid connecting line is straight line or camber line, and the width of the described second grid connecting line is 1/4～3/2 of a grid line width.
Further, the described second grid connecting line can be to be connected with the grid line that is positioned at the data line both sides by two passivation layer grid line via holes.
On the technique scheme basis, described data connecting line can be at least two first data connecting lines, and described first data connecting line is identical with described data line material, and with described data line bit in same one deck.
On the technique scheme basis, described data connecting line also can be at least one second data connecting line, and described second data connecting line is identical with described pixel electrode material, and is positioned at same one deck with described pixel electrode.
On the technique scheme basis, described data connecting line can also be at least two first data connecting lines and at least one second data connecting line, described first data connecting line is identical with described data line material, and with described data line bit in same one deck, described second data connecting line is identical with described pixel electrode material, and is positioned at same one deck with described pixel electrode.
Further, described first data connecting line is straight line or camber line, and the width of each described first data connecting line is that the distance between 1/10～1/3, first data connecting line of data line width is 1/10～1/3 of a data line width.Described second data connecting line is straight line or camber line, and the width of described second data connecting line is 1/4～3/2 of a data line width.
Further, described second data connecting line can be to be connected with the data line that is positioned at the grid line both sides by two passivation layer data line via holes.
The present invention proposes a kind of TFT-LCD array base palte, by grid connecting line and/or the data connecting line that forms two point or multiple spot decussate texture being set at grid line and data line infall, on the one hand by increasing the circuit redundancy, the bad probability that reduce to take place that grid line opens circuit or data line opens circuit, by the multiple spot decussate texture, reduce the probability that grid line/data line poor short circuit takes place on the other hand.Is that technical scheme that single-point intersect compare with data line at infall with the prior art grid line, the present invention intersects with grid line by intersecting with data line or two first data connecting lines are set at two first grid connecting lines of infall setting at least at least, reduced the area of grid line and data line overlapping region, reduce the probability that this overlapping region in producing falls foreign matter, therefore reduced the probability of generation grid line/data line poor short circuit; Simultaneously each first grid connecting line or first data connecting line can both conductings during normal condition, when one of them first grid connecting line or first data connecting line open circuit, still can guarantee grid line or data line conducting, therefore also reduce the bad probability that takes place that grid line opens circuit or data line opens circuit.Simultaneously, even grid line/data line poor short circuit occurred in producing, TFT-LCD array base palte of the present invention also has repairs advantages such as simple, that operation is few, the time is short.Further, is that the technical scheme of single grid line or forms data line is compared with prior art grid line and data line at infall, the present invention is by being provided with at least one second grid connecting line or at least one second data connecting line being set at infall, form double grid line structure or Double Data line structure, by increasing the circuit redundancy, effectively reduce on the one hand the bad probability that takes place that grid line opens circuit or data line opens circuit, can simplify the operation of reparation grid line/data line poor short circuit on the other hand, improve repairable rate.Compare with the prior art that is short-circuited or all adopt chemical vapor depsotition equipment to repair when opening circuit, not only reparing process is few for TFT-LCD array base palte of the present invention, and the time is short, and owing to cancelled depositing operation, can not cause pixel bad, the repairable rate height.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of TFT-LCD array base palte first embodiment of the present invention;
Fig. 2 is the structural representation of TFT-LCD array base palte second embodiment of the present invention;
Fig. 3 is the structural representation of TFT-LCD array base palte the 3rd embodiment of the present invention;
Fig. 4 is the structural representation of TFT-LCD array base palte the 4th embodiment of the present invention;
Fig. 5 is the structural representation of TFT-LCD array base palte the 5th embodiment of the present invention;
Fig. 6 is the structural representation of TFT-LCD array base palte the 6th embodiment of the present invention;
Fig. 7 is the structural representation of TFT-LCD array base palte the 7th embodiment of the present invention;
Fig. 8 is the structural representation of TFT-LCD array base palte the 8th embodiment of the present invention;
Fig. 9 is the structural representation of TFT-LCD array base palte the 9th embodiment of the present invention;
Figure 10 is the structural representation of TFT-LCD array base palte the tenth embodiment of the present invention;
Figure 11 is the structural representation of TFT-LCD array base palte the 11 embodiment of the present invention;
Figure 12 is the structural representation of prior art TFT-LCD array base palte.
Description of reference numerals:
10-grid line; 20-data line; 30-pixel electrode;
11-first grid connecting line; 12-the second grid connecting line; 13-passivation layer grid line via hole;
21-the first data connecting line; 22-the second data connecting line; 23-passivation layer data line via hole;
41-gate electrode; 42-source electrode; 43-drain electrode;
44-passivation layer via hole.
Embodiment
Fig. 1 is the structural representation of TFT-LCD array base palte first embodiment of the present invention.As shown in Figure 1, the agent structure of present embodiment TFT-LCD array base palte comprises grid line 10, data line 20, pixel electrode 30 and the thin film transistor (TFT) (TFT) that is formed on the substrate, grid line 10 and data line 20 arranged in a crossed manner define pixel region, and pixel electrode 30 is formed in the pixel region.Particularly, thin film transistor (TFT) as switching device comprises gate electrode 41, source electrode 42 and drain electrode 43 at least, gate electrode 41 and grid line 10 are positioned under the gate insulation layer, source electrode 42, drain electrode 43 and data line 20 are positioned on the gate insulation layer, form passivation layer on it, and in drain electrode 43 positions formation passivation layer via hole 44, pixel electrode 30 is formed on the passivation layer.Gate electrode 41 is connected with grid line 10, and source electrode 42 is connected with data line 20, and pixel electrode 30 is connected with drain electrode 43 by passivation layer via hole 44, and source electrode 42 and drain electrode 43 form conducting channel.In the present embodiment, the grid line 10 that is positioned at data line 20 both sides connects by two first grid connecting lines 11, form the two point decussate texture of grid line 10 and data line 20 infalls, both guaranteed the conducting of grid line 10, effectively reduce again and take place that grid line opens circuit or the probability of grid line/data line poor short circuit, can simplify simultaneously the operation of maintenance trouble, improve repairable rate.The material of present embodiment first grid connecting line is identical with grid line, and is formed on same one deck with grid line, can prepare simultaneously in a mask process, and first grid connecting line can be linear structure, also can be camber line (as semicircle) structure or other polygon structure.
Is that technical scheme that single-point intersect compare with data line at infall with the prior art grid line, present embodiment intersects with data line by two first grid connecting lines are set at infall, reduced the area of grid line and data line overlapping region on the one hand, reduce the probability that this overlapping region in producing falls foreign matter, therefore reduced the probability of generation grid line/data line poor short circuit; Increased the circuit redundancy on the other hand, two first grid connecting lines can both conducting during normal condition, still can guarantee the grid line conducting when one of them first grid connecting line opens circuit, and has therefore also reduced the grid line bad probability that opens circuit takes place.Further, grid line opens circuit or grid line/data line poor short circuit even occurred in producing, and TFT-LCD array base palte of the present invention also has repairs advantages such as simple, that operation is few, the time is short.For example, if when short circuit occurring between first grid connecting line and the data line, that first grid connecting line that only needs will be short-circuited by the sideline prosthetic appliance cuts off, and signal still can transmit by another first grid connecting line.Signal and for example,, then need not keep in repair, because still can transmit by another first grid connecting line if when a first grid connecting line opens circuit.This shows that compare with the prior art that is short-circuited or all adopt chemical vapor depsotition equipment to repair when opening circuit, not only reparing process is few for present embodiment TFT-LCD array base palte, time is short, and, can not cause pixel bad, the repairable rate height owing to cancelled the deposition maintenance process.
In the present embodiment such scheme, first grid connecting line can also be three, also can be for a plurality of.The width of first grid connecting line had both depended on the minimum precision of mask process, the minimum precision that depends on sideline renovation technique cutting again, preferably, the width of each first grid connecting line is 1/10～1/3 of a grid line width, and the distance between the adjacent first grid connecting line is 1/10～1/3 of a grid line width.
Fig. 2 is the structural representation of TFT-LCD array base palte second embodiment of the present invention.As shown in Figure 2, the agent structure and first embodiment of present embodiment TFT-LCD array base palte are basic identical, difference is, in the present embodiment, the data line 20 that is positioned at grid line 10 both sides connects by two first data connecting lines 21, form the two point decussate texture of grid line 10 and data line 20 infalls, both guaranteed the conducting of data line 20, effectively reduce again and take place that data line 20 opens circuit or the probability of grid line/data line poor short circuit, can simplify simultaneously the operation of maintenance trouble, improve repairable rate.The material of present embodiment first data connecting line is identical with data line, and be formed on same one deck with data line, can prepare simultaneously in a mask process, first data connecting line can be linear structure, also can be camber line (as semicircle) structure or other polygon structure.
Is that technical scheme that single-point intersect compare with data line at infall with the prior art grid line, present embodiment intersects with grid line by two first data connecting lines are set at infall, reduced the area of grid line and data line overlapping region on the one hand, reduce the probability that this overlapping region in producing falls foreign matter, therefore reduced the probability of generation grid line/data line poor short circuit; Increased the circuit redundancy on the other hand, two first data connecting lines can both conducting during normal condition, still can guarantee the data line conducting when one of them first data connecting line opens circuit, and has therefore also reduced the data line bad probability that opens circuit takes place.Further, data line opens circuit or grid line/data line poor short circuit even occurred in producing, and present embodiment TFT-LCD array base palte also has repairs advantages such as simple, that operation is few, the time is short.For example, if when short circuit occurring between one first data connecting line and the grid line, that first data connecting line that only needs will be short-circuited by the sideline prosthetic appliance cuts off, and signal still can pass through another first data connecting line transmission.And for example, if when one first data connecting line opens circuit, then need not keep in repair, because signal still can pass through another first data connecting line transmission.This shows that compare with the prior art that is short-circuited or all adopt chemical vapor depsotition equipment to repair when opening circuit, not only reparing process is few for present embodiment TFT-LCD array base palte, time is short, and, can not cause pixel bad, the repairable rate height owing to cancelled the deposition maintenance process.
In the present embodiment such scheme, first data connecting line can also be three or four, also can be for a plurality of.The width of first data connecting line had both depended on the minimum precision of mask process, the minimum precision that depends on sideline renovation technique cutting again, preferably, the width of each first data connecting line is 1/10～1/3 of a data line width, and the distance between adjacent first data connecting line is 1/10～1/3 of a data line width.
Fig. 3 is the structural representation of TFT-LCD array base palte the 3rd embodiment of the present invention.As shown in Figure 3, present embodiment is the combination of aforementioned first embodiment and second embodiment.In the present embodiment, the grid line 10 that is positioned at data line 20 both sides connects by two first grid connecting lines 11, the data line 20 that is positioned at grid line 10 both sides connects by two first data connecting lines 21, form the multiple spot decussate texture of grid line 10 and data line 20 infalls, both guarantee effective conducting of grid line 10 and data line 20, effectively reduced the probability of generation grid line/data line poor short circuit again.The present embodiment structure is except the effect with first embodiment, second embodiment, provide more choices for maintenance grid line/data line poor short circuit, can select to cut off first grid connecting line as required or cut off first data connecting line, applied widely, improve repairable rate to greatest extent.
Fig. 4 is the structural representation of TFT-LCD array base palte the 4th embodiment of the present invention.As shown in Figure 4, the agent structure of present embodiment TFT-LCD array base palte comprises grid line 10, data line 20, pixel electrode 30 and the thin film transistor (TFT) that is formed on the substrate, thin film transistor (TFT) as switching device comprises gate electrode 41, source electrode 42 and drain electrode 43 at least, gate electrode 41 and grid line 10 are positioned under the gate insulation layer, source electrode 42, drain electrode 43 and data line 20 are positioned on the gate insulation layer, form passivation layer on it, and in drain electrode 43 positions formation passivation layer via hole 44, pixel electrode 30 is formed on the passivation layer.Gate electrode 41 is connected with grid line 10, and source electrode 42 is connected with data line 20, and pixel electrode 30 is connected with drain electrode 43 by passivation layer via hole 44, and source electrode 42 and drain electrode 43 form conducting channel.In the present embodiment, the grid line 10 that is positioned at data line 20 both sides also is connected with one second grid connecting line 12 by two passivation layer grid line via holes 13, form the double grid line structure of grid line 10 and data line 20 infalls, both effectively reduced the grid line bad probability that opens circuit had taken place, can simplify simultaneously the operation of reparation grid line/data line poor short circuit, improve repairable rate.The material of the present embodiment second grid connecting line is identical with the pixel electrode material, and is formed on same one deck with pixel electrode.Particularly, in preparation TFT-LCD array base palte, form in the technology of passivation layer via hole 44, on the grid line 10 of data line 20 both sides, form two passivation layer grid line via holes 13 simultaneously, make two passivation layer grid line via holes 13 expose grid line.In forming pixel electrode technology, near grid line 10 and data line 20 infalls, form the second grid connecting line 12 of transparent conductive material simultaneously, and the two ends of the second grid connecting line 12 are connected with grid line 10 by passivation layer grid line via hole 13 respectively, form the double grid line structure of present embodiment.
Is that the technical scheme of single grid line is compared with prior art grid line and data line at infall, present embodiment is by being provided with the second grid connecting line at infall, by increasing the circuit redundancy, effectively reduce on the one hand the grid line bad probability that opens circuit takes place, can simplify the operation of reparation grid line/data line poor short circuit on the other hand, improve repairable rate.During normal condition, grid connect and the second grid connecting line can both conducting, still can guarantee the grid line conducting when wherein open circuit in a certain road.When grid line/data line short circuit occurring, only need the grid line that is short-circuited to be cut off, and signal still can transmit by the second grid connecting line by the sideline prosthetic appliance.Compare with the prior art that is short-circuited or all adopt chemical vapor depsotition equipment to repair when opening circuit, not only reparing process is few for present embodiment TFT-LCD array base palte, and the time is short, and owing to cancelled depositing operation, can not cause pixel bad, the repairable rate height.
In the present embodiment such scheme, the second grid connecting line can also be two or three, also can be for a plurality of.Because the second grid connecting line adopts the transparent pixels electrode material, its width has bigger scope, and preferably, the width of the second grid connecting line is that the shape of 1/4～2/3, the second grid connecting line of grid line width can be square, polygon, semicircle or arc etc.
Fig. 5 is the structural representation of TFT-LCD array base palte the 5th embodiment of the present invention.As shown in Figure 5, present embodiment is the combination of aforementioned first embodiment and the 4th embodiment.In the present embodiment, the grid line 10 that is positioned at data line 20 both sides not only connects by three first grid connecting lines 11, also connect by one second grid connecting line 12, the multiple spot that forms grid line 10 and data line 20 infalls intersects, the multiple-grid line structure, both guaranteed effective conducting of grid line 10, effectively reduce the probability of generation grid line/data line poor short circuit again, simplified the operation of reparation grid line/data line poor short circuit simultaneously.The present embodiment textural association effect and the effect of first embodiment and the 4th embodiment, can simplify the operation of reparation grid line/data line poor short circuit to greatest extent, improve repairable rate to greatest extent, can be suitable for demand widely.
Fig. 6 is the structural representation of TFT-LCD array base palte the 6th embodiment of the present invention.As shown in Figure 6, present embodiment is the combination of aforementioned second embodiment and the 4th embodiment.In the present embodiment, the grid line 10 that not only is positioned at data line 20 both sides connects by one second grid connecting line 12, and the data line 20 that is positioned at grid line 10 both sides connects by three first data connecting lines 21, the multiple spot that forms grid line 10 and data line 20 infalls intersects, the multiple-grid line structure, both guaranteed effective conducting of grid line 10 and data line 20, effectively reduce the probability of generation grid line/data line poor short circuit again, simplified the operation of reparation grid line/data line poor short circuit simultaneously.The present embodiment textural association effect and the effect of second embodiment and the 4th embodiment, can simplify the operation of reparation grid line/data line poor short circuit to greatest extent, improve repairable rate to greatest extent, to be suitable for demand widely.
Fig. 7 is the structural representation of TFT-LCD array base palte the 7th embodiment of the present invention.As shown in Figure 7, present embodiment is the combination of aforementioned the 3rd embodiment and the 4th embodiment.In the present embodiment, the grid line 10 that not only is positioned at data line 20 both sides connects, connects by one second grid connecting line 12 by three first grid connecting lines 11, and the data line 20 that is positioned at grid line 10 both sides connects by three first data connecting lines 21, the multiple spot that forms grid line 10 and data line 20 infalls intersects, the multiple-grid line structure, both guaranteed effective conducting of grid line 10 and data line 20, effectively reduce the probability of generation grid line/data line poor short circuit again, simplified the operation of reparation grid line/data line poor short circuit simultaneously.The present embodiment textural association effect and the effect of the 3rd embodiment and the 4th embodiment, can simplify the operation of reparation grid line/data line poor short circuit to greatest extent, improve repairable rate to greatest extent, to be suitable for demand widely.
Fig. 8 is the structural representation of TFT-LCD array base palte the 8th embodiment of the present invention.As shown in Figure 8, the agent structure of present embodiment TFT-LCD array base palte comprises grid line 10, data line 20, pixel electrode 30 and the thin film transistor (TFT) that is formed on the substrate, thin film transistor (TFT) as switching device comprises gate electrode 41, source electrode 42 and drain electrode 43 at least, gate electrode 41 and grid line 10 are positioned under the gate insulation layer, source electrode 42, drain electrode 43 and data line 20 are positioned on the gate insulation layer, form passivation layer on it, and in drain electrode 43 positions formation passivation layer via hole 44, pixel electrode 30 is formed on the passivation layer.Gate electrode 41 is connected with grid line 10, and source electrode 42 is connected with data line 20, and pixel electrode 30 is connected with drain electrode 43 by passivation layer via hole 44, and source electrode 42 and drain electrode 43 form conducting channel.In the present embodiment, the data line 20 that is positioned at grid line 10 both sides also is connected with one second data connecting line 22 by two passivation layer data line via holes 23, form the Double Data line structure of grid line 10 and data line 20 infalls, both effectively reduced the data line bad probability that opens circuit had taken place, can simplify simultaneously the operation of reparation grid line/data line poor short circuit, improve repairable rate.The material of present embodiment second data connecting line is identical with the pixel electrode material, and is formed on same one deck with pixel electrode.Particularly, in preparation TFT-LCD array base palte, form in the technology of passivation layer via hole 44, on the data line 20 of grid line 10 both sides, form two passivation layer data line via holes 23 simultaneously, make two passivation layer data line via holes 23 expose data line.In forming pixel electrode technology, near grid line 10 and data line 20 infalls, form second data connecting line 22 of transparent conductive material simultaneously, and the two ends of second data connecting line 22 are connected with data line 20 by passivation layer data line via hole 23 respectively, form the Double Data line structure of present embodiment.
Is that the technical scheme of forms data line is compared with prior art grid line and data line at infall, present embodiment is by being provided with second data connecting line at infall, by increasing the circuit redundancy, effectively reduce on the one hand the data line bad probability that opens circuit takes place, can simplify the operation of reparation grid line/data line poor short circuit on the other hand, improve repairable rate.During normal condition, the data line and second data connecting line can both conductings, still can guarantee the data line conducting when wherein open circuit in a certain road.When grid line/data line short circuit occurring, only need the data line that is short-circuited to be cut off, and signal still can pass through the second data connecting line transmission by the sideline prosthetic appliance.Compare with the prior art that is short-circuited or all adopt chemical vapor depsotition equipment to repair when opening circuit, not only reparing process is few for present embodiment TFT-LCD array base palte, and the time is short, and owing to cancelled depositing operation, can not cause pixel bad, the repairable rate height.
In the present embodiment such scheme, second data connecting line can also be two or three, also can be for a plurality of.Because second data connecting line adopts the transparent pixels electrode material, its width has bigger scope, preferably, the width of second data connecting line is that the shape of 1/4～2/3, second data connecting line of data line width can be square, polygon, semicircle or arc etc.
Fig. 9 is the structural representation of TFT-LCD array base palte the 9th embodiment of the present invention.As shown in Figure 9, present embodiment is the combination of aforementioned first embodiment and the 8th embodiment.In the present embodiment, the grid line 10 that not only is positioned at data line 20 both sides connects by three first grid connecting lines 11, and the data line 20 that is positioned at grid line 10 both sides connects by one second data connecting line 22, the multiple spot that forms grid line 10 and data line 20 infalls intersects, the multidata line structure, both guaranteed effective conducting of grid line 10 and data line 20, effectively reduce the probability of generation grid line/data line poor short circuit again, simplified the operation of reparation grid line/data line poor short circuit simultaneously.The present embodiment textural association effect and the effect of first embodiment and the 8th embodiment, can simplify the operation of reparation grid line/data line poor short circuit to greatest extent, improve repairable rate to greatest extent, to be suitable for demand widely.
Figure 10 is the structural representation of TFT-LCD array base palte the tenth embodiment of the present invention.As shown in figure 10, present embodiment is the combination of aforementioned second embodiment and the 8th embodiment.In the present embodiment, the data line 20 that is positioned at grid line 10 both sides not only connects by three first data connecting lines 21, but also connect by one second data connecting line 22, the multiple spot that forms grid line 10 and data line 20 infalls intersects, the multidata line structure, both guaranteed effective conducting of data line 20, effectively reduce the probability of generation grid line/data line poor short circuit again, simplified the operation of reparation grid line/data line poor short circuit simultaneously.The present embodiment textural association effect and the effect of second embodiment and the 8th embodiment, can simplify the operation of reparation grid line/data line poor short circuit to greatest extent, improve repairable rate to greatest extent, can be suitable for demand widely.
Figure 11 is the structural representation of TFT-LCD array base palte the 11 embodiment of the present invention.As shown in figure 11, present embodiment is the combination of aforementioned the 3rd embodiment and the 8th embodiment.In the present embodiment, the grid line 10 that not only is positioned at data line 20 both sides connects by three first grid connecting lines 11, and the data line 20 that is positioned at grid line 10 both sides connects, connects by one second data connecting line 22 by three first data connecting lines 21, the multiple spot that forms grid line 10 and data line 20 infalls intersects, the multidata line structure, both guaranteed effective conducting of grid line 10 and data line 20, effectively reduce the probability of generation grid line/data line poor short circuit again, simplified the operation of reparation grid line/data line poor short circuit simultaneously.The present embodiment textural association effect and the effect of the 3rd embodiment and the 8th embodiment, can simplify the operation of reparation grid line/data line poor short circuit to greatest extent, improve repairable rate to greatest extent, to be suitable for demand widely.
It should be noted that at last: above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (13)
1. TFT-LCD array base palte, comprise the grid line, data line, pixel electrode and the thin film transistor (TFT) that are formed on the substrate, it is characterized in that, at grid line and data line infall, the grid line that is positioned at described data line both sides is by being connected with grid connecting line that described data line forms two point or multiple spot decussate texture, and/or the data line that is positioned at described grid line both sides is connected by the data connecting line with described grid line formation two point or multiple spot decussate texture.
2. TFT-LCD array base palte according to claim 1 is characterized in that, described grid connecting line is at least two first grid connecting lines, and described first grid connecting line is identical with described grid line material, and is positioned at same one deck with described grid line.
3. TFT-LCD array base palte according to claim 1 is characterized in that, described grid connecting line is at least one second grid connecting line, and the described second grid connecting line is identical with described pixel electrode material, and is positioned at same one deck with described pixel electrode.
4. TFT-LCD array base palte according to claim 1, it is characterized in that, described grid connecting line is at least two first grid connecting lines and at least one second grid connecting line, described first grid connecting line is identical with described grid line material, and be positioned at same one deck with described grid line, the described second grid connecting line is identical with described pixel electrode material, and is positioned at same one deck with described pixel electrode.
5. TFT-LCD array base palte according to claim 2, it is characterized in that, described first grid connecting line is straight line or camber line, and the width of each described first grid connecting line is 1/10～1/3 of a grid line width, and the distance between the first grid connecting line is 1/10～1/3 of a grid line width.
6. TFT-LCD array base palte according to claim 3 is characterized in that, the described second grid connecting line is straight line or camber line, and the width of the described second grid connecting line is 1/4～3/2 of a grid line width.
7. according to claim 3,4 or 6 described TFT-LCD array base paltes, it is characterized in that the described second grid connecting line is connected with the grid line that is positioned at the data line both sides by two passivation layer grid line via holes.
8. according to the described TFT-LCD array base palte of arbitrary claim in the claim 1～6, it is characterized in that, described data connecting line is at least two first data connecting lines, and described first data connecting line is identical with described data line material, and with described data line bit in same one deck.
9. according to the described TFT-LCD array base palte of arbitrary claim in the claim 1～6, it is characterized in that, described data connecting line is at least one second data connecting line, and described second data connecting line is identical with described pixel electrode material, and is positioned at same one deck with described pixel electrode.
10. according to the described TFT-LCD array base palte of arbitrary claim in the claim 1～6, it is characterized in that, described data connecting line is at least two first data connecting lines and at least one second data connecting line, described first data connecting line is identical with described data line material, and with described data line bit in same one deck, described second data connecting line is identical with described pixel electrode material, and is positioned at same one deck with described pixel electrode.
11. TFT-LCD array base palte according to claim 8, it is characterized in that, described first data connecting line is straight line or camber line, the width of each described first data connecting line is that the distance between 1/10～1/3, first data connecting line of data line width is 1/10～1/3 of a data line width.
12. TFT-LCD array base palte according to claim 9 is characterized in that, described second data connecting line is straight line or camber line, and the width of described second data connecting line is 1/4～3/2 of a data line width.
13. TFT-LCD array base palte according to claim 9 is characterized in that, described second data connecting line is connected with the data line that is positioned at the grid line both sides by two passivation layer data line via holes.
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| CN2007101789448A CN101452164B (en) | 2007-12-07 | 2007-12-07 | TFT-LCD array substrate |
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| CN2007101789448A CN101452164B (en) | 2007-12-07 | 2007-12-07 | TFT-LCD array substrate |
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| CN2011100453883A Division CN102081271B (en) | 2007-12-07 | 2007-12-07 | TFT-LCD (Thin Film Transistor-Liquid Crystal Display) array substrate |
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| CN101452164B CN101452164B (en) | 2011-08-31 |
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