CN102176099A - Liquid crystal display and repairing method thereof - Google Patents
Liquid crystal display and repairing method thereof Download PDFInfo
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- CN102176099A CN102176099A CN 201110052353 CN201110052353A CN102176099A CN 102176099 A CN102176099 A CN 102176099A CN 201110052353 CN201110052353 CN 201110052353 CN 201110052353 A CN201110052353 A CN 201110052353A CN 102176099 A CN102176099 A CN 102176099A
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 105
- 238000005520 cutting process Methods 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 14
- 230000008054 signal transmission Effects 0.000 abstract 6
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- 238000005859 coupling reaction Methods 0.000 description 8
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- 230000003068 static effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 5
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Abstract
The invention discloses a liquid crystal display and a repairing method thereof. The pixel array substrate comprises a substrate, and a pixel array and a common line which are arranged on the substrate. The common line is located below the pixel array. The opposite substrate is arranged opposite to the pixel array substrate and comprises a common electrode layer. The first signal transmission line is arranged on the substrate and electrically connected with the common line. The second signal transmission line is arranged on the substrate and electrically connected with the common electrode layer, the first signal transmission line and the second signal transmission line have different voltages and at least one staggered position, the first signal transmission line at the staggered position is provided with a plurality of first branch lines extending along one direction, and the second signal transmission line at the staggered position is provided with a plurality of second branch lines extending along the other direction. The insulating layer is arranged between the first branch line and the second branch line.
Description
Technical field
The present invention relates to a kind of display and method for repairing and mending thereof, and particularly relevant for a kind of LCD and method for repairing and mending thereof.
Background technology
Increasingly mature along with photoelectric technology and semiconductor fabrication, flat display apparatus is flourish.Wherein, LCD replaces traditional cathode-ray tube display gradually, and becomes the main flow of display product in recent years based on advantage such as its low voltage operating, radiationless line scattering, in light weight and volume be little.
Display comprises an image element array substrates, a subtend substrate and the display dielectric layer between image element array substrates and subtend substrate.Image element array substrates comprises a substrate and is disposed at a pel array, multi-strip scanning line, many data lines, many shared lines (common line), a plurality of drive element of the grid and one source pole driving circuits on the substrate.Each pixel in the pel array comprises an active member and a pixel electrode, source electrode that active member comprises the grid that electrically connects with corresponding scanning line, electrically connect with corresponding data line and the drain electrode that electrically connects with corresponding pixel electrode.The subtend substrate comprises a substrate and is disposed at having altogether with electrode (common electrode) on the substrate.
In general, the mode that drives pixel comprises provides a shared alternating voltage to the bridging line of image element array substrates and the common electrode of subtend substrate, and the cabling that shared alternating voltage is provided is carried out voltage modulated.Yet, in this type of drive,, cause the needed thrust of driving circuit bigger because shared alternating voltage is to be provided in bridging line and common electrode simultaneously, thereby must carry out voltage modulated to bridging line and common electrode simultaneously.Therefore, a kind of type of drive that is called capacitive coupling driving (Capacitive Coupled Driving, CC Driving) mode is suggested.This type of drive provides the bridging line of an alternating voltage in image element array substrates, and provides another pulse direct current to be pressed on the common electrode of subtend substrate.In this type of drive,, make bridging line and pixel generation capacitance coupling effect by the alternating voltage that is provided in bridging line is carried out voltage modulated.Thus, pixel can make its pixel electrode be drawn high or draw by the common voltage that bridging line provided that receives correspondence and reduce to a predetermined voltage potential.In other words, drive under the design, only need provide less data voltage pixel voltage can be promoted to predetermined voltage potential, so can save the power consumption of driving circuit at this.In addition, be that therefore input signal only must carry out voltage modulated to the bridging line on the image element array substrates and get final product, so the needed whole thrust of driving circuit is less to bridging line and common electrode respectively in this type of drive.
Yet, because the capacitive coupling type of drive is difference input signal bridging line and common electrode, therefore provide the cabling of signal all to be made on the image element array substrates respectively, make two signal lead have staggered situation and take place.In addition, in order to reduce the impedance of signal lead, can the area design of signal lead is bigger, yet but causing the staggered place of two signal lead easily Electrostatic Discharge to take place, this measure punctures the insulation course between the cabling, make two signal lead be short-circuited.Thus, display frame occurs unusual even causes display to scrap.
Summary of the invention
The invention provides a kind of LCD, have the structure that is easy to repair.
The present invention provides a kind of method for repairing and mending of LCD in addition, in order to repair aforesaid LCD.
The present invention proposes a kind of LCD.LCD comprises an image element array substrates, a subtend substrate, at least one first signal transfer line, at least one secondary signal transfer line, an insulation course and a liquid crystal layer.Image element array substrates comprises one first substrate, a pel array and many shared lines.Pixel array configuration is on first substrate.Bridging line is disposed on first substrate and is positioned at the pel array below.Subtend substrate and image element array substrates subtend are provided with, and comprise one second substrate and use electrode layer altogether.The common electrode layer is disposed on second substrate.The first signal transfer line is disposed on first substrate, electrically connects bridging line.The secondary signal transfer line is disposed on first substrate, electrically connect with the common electrode layer on second substrate, the first signal transfer line has different voltages with the secondary signal transfer line, wherein the first signal transfer line and secondary signal transfer line have at least one staggered place, the first signal transfer line that is positioned at the staggered place has many first branch lines that extend along a first direction, and the secondary signal transfer line that is positioned at the staggered place has many second branch lines that extend along a second direction that is different from first direction.Insulation course is disposed between first branch line and second branch line.Liquid crystal layer is disposed between subtend substrate and the image element array substrates.
In one embodiment of this invention, the first above-mentioned substrate comprises a viewing area and a surrounding zone, and bridging line is disposed at the viewing area and extends to the surrounding zone, and the first signal transfer line is disposed at the surrounding zone.
In one embodiment of this invention, the first above-mentioned signal transfer line comprises one first main line and one second main line, and first branch line is between first main line and second main line, and first branch line connects first main line and second main line respectively.
In one embodiment of this invention, the first above-mentioned branch line is parallel to each other.
In one embodiment of this invention, above-mentioned secondary signal transfer line comprises one the 3rd main line and one the 4th main line, and second branch line is between the 3rd main line and the 4th main line, and second branch line connects the 3rd main line and the 4th main line respectively.
In one embodiment of this invention, the second above-mentioned branch line is parallel to each other.
In one embodiment of this invention, above-mentioned first direction is vertical with second direction.
In one embodiment of this invention, more comprise a conductive structure, be disposed between subtend substrate and the image element array substrates that wherein the secondary signal transfer line electrically connects by conductive structure and common electrode layer.
In one embodiment of this invention, above-mentioned conductive structure comprises a conducting sphere or a conductive pole.
In one embodiment of this invention, the first above-mentioned signal transfer line has an alternating voltage, and the secondary signal transfer line has a pulsed dc voltage.
The present invention proposes a kind of method for repairing and mending of LCD in addition, be suitable for repairing aforesaid LCD, when an intersection point of one second branch line of one first branch line of one first signal transfer line wherein and a secondary signal transfer line is short-circuited flaw (short defect), method for repairing and mending comprises that first branch line of flaw takes place in cutting, make first branch line and the first signal transfer line that flaw takes place be electrically insulated, or second branch line of flaw takes place in cutting, second branch line and secondary signal transfer line that flaw make to take place are electrically insulated, thereby the first signal transfer line and secondary signal transfer line are electrically insulated.
In one embodiment of this invention, the first above-mentioned signal transfer line comprises one first main line and one second main line, and first branch line is positioned among first main line, and among second main line.
In one embodiment of this invention, behind first branch line of cutting generation flaw, first main line or second main line transmit signals by all the other first branch lines.
In one embodiment of this invention, above-mentioned secondary signal transfer line comprises one the 3rd main line and one the 4th main line, and second branch line is between the 3rd main line and the 4th main line, and second branch line connects the 3rd main line and the 4th main line respectively.
In one embodiment of this invention, behind second branch line of cutting generation flaw, wherein the 3rd main line or the 4th main line transmit signals by all the other second branch lines.
In one embodiment of this invention, the intersection point of above-mentioned generation flaw comprises one first intersection point and one second intersection point, and method for repairing and mending comprises: cutting has first branch line of first intersection point, makes first branch line and the first signal transfer line that flaw takes place be electrically insulated; And cut second branch line with second intersection point, make second branch line and secondary signal transfer line that flaw takes place be electrically insulated.
The present invention proposes another kind of LCD.LCD comprises one first substrate, many shared lines, one second substrate, has altogether with electrode layer, at least one first signal transfer line, at least one secondary signal transfer line, an insulation course and a liquid crystal layer.Bridging line is disposed on first substrate.Second substrate and the first substrate subtend are provided with.The common electrode layer is disposed on second substrate.The first signal transfer line is disposed on first substrate, extends along a first direction, electrically connects bridging line.The secondary signal transfer line is disposed on first substrate, extend along a second direction that is different from first direction, electrically connect with the common electrode layer on second substrate, the first signal transfer line has different voltages with the secondary signal transfer line, wherein the first signal transfer line and secondary signal transfer line have at least one staggered place, the first signal transfer line that is positioned at the staggered place has many first branch lines, and the secondary signal transfer line that is positioned at the staggered place has many second branch lines.Insulation course is disposed between first branch line and second branch line.Liquid crystal layer is disposed between first substrate and second substrate.
Based on above-mentioned, LCD of the present invention comprises that transmission signals is to the first signal transfer line and the secondary signal transfer line of bridging line and common electrode respectively, wherein the first signal transfer line and secondary signal transfer line have at least one staggered place, and the first signal transfer line that is positioned at the staggered place has many first branch lines, and the secondary signal transfer line that is positioned at the staggered place has many second branch lines.When first branch line and second branch line are short-circuited flaw because of reasons such as static discharges, can isolate with all the other branch lines by flaw takes place in order first branch line or second branch line, win signal transfer line and the recovery of secondary signal transfer line are electrically insulated.Therefore, LCD has the structure that is easy to repair, and avoiding scrapping of LCD, and then significantly reduces the cost of manufacture of LCD.
For above-mentioned feature and advantage of the present invention can be become apparent, embodiment cited below particularly, and cooperate appended accompanying drawing to be described in detail below.
Description of drawings
Figure 1A is the diagrammatic cross-section of the LCD of one embodiment of the invention;
Figure 1B is the schematic top plan view of the LCD of one embodiment of the invention;
Fig. 2 A is the enlarged diagram of the staggered place CR of Figure 1B;
Fig. 2 B is the diagrammatic cross-section along the I-I ' line of Fig. 2 A;
Fig. 2 C is the partial cutaway schematic of secondary signal transfer line and common electrode layer;
Fig. 3 illustrates the drive waveforms synoptic diagram into the LCD shown in Figure 1A;
Fig. 4 A is the be short-circuited schematic top plan view of flaw of first branch line of the wherein one first signal transfer line of the LCD of Figure 1B and an intersection point of second branch line of a secondary signal transfer line wherein;
Fig. 4 B illustrates a kind of schematic top plan view of method for repairing and mending of LCD, and this method for repairing and mending is suitable for repairing the LCD of the short circuit flaw that has shown in Fig. 4 A;
Fig. 4 C illustrates a kind of schematic top plan view of method for repairing and mending of LCD, and this method for repairing and mending is suitable for repairing the LCD of the short circuit flaw that has shown in Fig. 4 A;
Fig. 5 A is the be short-circuited schematic top plan view of flaw of first branch line of the wherein one first signal transfer line of the LCD of Figure 1B and a plurality of intersection points of second branch line of a secondary signal transfer line wherein;
Fig. 5 B illustrates a kind of schematic top plan view of method for repairing and mending of LCD, and this method for repairing and mending is suitable for repairing the LCD of the short circuit flaw that has shown in Fig. 5 A.
Wherein, Reference numeral
100: LCD 110: image element array substrates
112,132: substrate 112a: viewing area
112b: surrounding zone 114: pel array
116: bridging line 130: the subtend substrate
134: common electrode layer 136: conductive structure
136a: conducting sphere 136b: conducting resinl
140,150: signal transfer line 142,146,152,156: main line
144,144a, 144b, 154,154a, 154b: branch line 160: insulation course
170: liquid crystal layer 182,184: conductive connection pads
D1, D2: direction CR: staggered place
CP, CP1, CP2: point of intersection S G, SC1, SC2, SP: waveform
T1, t2, t3, t4: time V1 ,-V2, Va, Va ': voltage
Embodiment
Figure 1A and Figure 1B are respectively the diagrammatic cross-section and the schematic top plan view of the LCD of one embodiment of the invention, wherein omit among Figure 1B and illustrate subtend substrate and liquid crystal layer.Please be simultaneously with reference to Figure 1A and Figure 1B, LCD 100 comprises an image element array substrates 110, a subtend substrate 130, at least one first signal transfer line 140, at least one secondary signal transfer line 150, an insulation course 160 and a liquid crystal layer 170.Liquid crystal layer 170 is disposed between image element array substrates 110 and the subtend substrate 130.
Image element array substrates 110 comprises one first substrate 112, a pel array 114 and many shared lines 116.First substrate 112 for example is to comprise a viewing area 112a and a surrounding zone 112b, and surrounding zone 112b for example is around viewing area 112a.In the present embodiment, viewing area 112a is that the zone that dotted line among Figure 1B crosses interior zone dotted line to the first substrate 112 edges that come then is surrounding zone 112b.Pel array 114 for example is to be disposed on the viewing area 112a of first substrate 112, and pel array 114 for example is to comprise multi-strip scanning line, many data lines and a plurality of pixels (not illustrating) that electrically connect with corresponding scanning line and data line respectively.Bridging line 116 is disposed on first substrate 112 and is positioned at pel array 114 belows.In the present embodiment, bridging line 116 for example is to be disposed at viewing area 112a and to extend to surrounding zone 112b, and bridging line 116 for example is to extend upward in second party.Subtend substrate 130 and image element array substrates 110 subtend settings comprise one second substrate 132 and use electrode layer 134 altogether.Common electrode layer 134 is disposed on second substrate 132.In the present embodiment, subtend substrate 130 for example is a colored optical filtering substrates.
Fig. 2 A is the enlarged diagram of the staggered place CR of Figure 1B, and Fig. 2 B is the diagrammatic cross-section along the I-I ' line of Fig. 2 A, and Fig. 2 C is the partial cutaway schematic of secondary signal transfer line and common electrode layer.Please be simultaneously with reference to Figure 1B and Fig. 2 A to Fig. 2 C, the first signal transfer line 140 is disposed on first substrate 112, has at least a part to extend along a first direction D1, electrically connects many shared lines 116.Secondary signal transfer line 150 is disposed on first substrate 112, have at least a part to extend along a second direction D2 who is different from first direction D1, electrically connect with the common electrode layer 134 on second substrate 132, the first signal transfer line 140 has different voltages with secondary signal transfer line 150.In the present embodiment, the first signal transfer line 140 for example is to be disposed at surrounding zone 112b with secondary signal transfer line 150.Secondary signal transfer line 150 for example is a loop line.The first signal transfer line 140 for example is to electrically connect with conductive connection pads 182, secondary signal transfer line 150 for example is to electrically connect with conductive connection pads 184, wherein conductive connection pads 182,184 connects with different chip for driving (not illustrating) respectively, makes chip for driving to provide different voltages with secondary signal transfer line 150 to the first signal transfer line 140.In the present embodiment, the first signal transfer line 140 for example is to have an alternating voltage, and secondary signal transfer line 150 for example is to have a pulsed dc voltage.
Please refer to Fig. 2 A and Fig. 2 B, the first signal transfer line 140 has at least one staggered place CR with secondary signal transfer line 150, the first signal transfer line 140 that is positioned at staggered place CR has many first branch lines 144, and the secondary signal transfer line 150 that is positioned at staggered place CR has many second branch lines 154, and wherein first branch line 144 extends along second direction D2 along the first direction D1 extension and second branch line 154.Insulation course 160 is disposed between first branch line 144 and second branch line 154.In detail, in the present embodiment, the first signal transfer line 140 for example is to comprise one first main line 142, many first branch lines 144 and one second main line 146, first branch line 144 is between first main line 142 and second main line 146, and each first branch line 144 connects first main line 142 and second main line 146 respectively.In other words, an end of each first branch line 144 connects first main line 142 and the other end connects second main line 146.Therefore, first main line 142 and second main line 146 can electrically connect by arbitrary first branch line 144.In the present embodiment, first branch line 144 is parallel to each other and extend along first direction D1.
In the present embodiment, secondary signal transfer line 150 for example is to comprise one the 3rd main line 152, many second branch lines 154 and one the 4th main line 156, three branch 154 is between second main line 152 and the 4th main line 156, and each second branch line 154 connects the 3rd main line 152 and the 4th main line 156 respectively.In other words, an end of each second branch line 154 connects the 3rd main line 152 and the other end connects the 4th main line 156.Therefore, the 3rd main line 152 and the 4th main line 156 can electrically connect by arbitrary second branch line 154.In the present embodiment, second branch line 154 is parallel to each other and extend along second direction D2.Special one what carry is that though be that to be positioned at first branch line, 144 tops with second branch line 154 be example in the present embodiment, in other embodiments, second branch line 154 also can be positioned at first branch line, 144 belows.
Please refer to Fig. 2 C, in the present embodiment, LCD 100 for example is more to comprise a conductive structure 136, is disposed between subtend substrate 130 and the image element array substrates 110, and wherein secondary signal transfer line 150 electrically connects by conductive structure 136 and common electrode layer 134.In the present embodiment, conductive structure 136 for example is to comprise that a conducting sphere 136a and surrounds the conducting resinl 136b of conducting sphere 136a.Wherein, conducting sphere 136a for example is golden conducting sphere (Au ball), and conducting resinl 136b for example is an elargol.Certainly, in other embodiments, conductive structure 136 also can comprise a conductive pole or other known conductive structures.
Fig. 3 illustrates the drive waveforms synoptic diagram into the LCD shown in Figure 1A.Please refer to Fig. 3, in the present embodiment, for example be to use capacitive coupling to drive (Capacitive Coupled Driving, CCDriving) mode drives pixel, wherein the first signal transfer line 140 for example is to have an alternating voltage or a pulsed dc voltage, and secondary signal transfer line 150 for example is to have a fixing DC voltage.In detail, the signal waveform synoptic diagram of sweep trace is SG, and the signal waveform of the first signal transfer line 140 is SC1, and the signal waveform of secondary signal transfer line 150 is SC2, and the signal waveform of pixel electrode is SP in the pixel.In the present embodiment, by the capacitance coupling effect between pixel electrode and the corresponding bridging line 116, the voltage of pixel electrode can be drawn high or be drawn to fall a voltage potential after sweep trace finishes activation.For instance, during t1, sweep trace activation, and the signal waveform of the first signal transfer line 140 is the magnitude of voltage that SC1 has an electronegative potential, promptly is lower than the current potential of sweep trace, 0V (volt) for example, pixel electrode for example charges to V1 in this moment pixel.Then, after sweep trace finishes activation, the signal waveform of the first signal transfer line 140 is SC1 has a noble potential when t2 a magnitude of voltage, the signal waveform that promptly is higher than the first signal transfer line 140 during the t1 is the SC1 current potential, Va for example, it can be pulled up to the voltage of pixel electrode (V1+Va ') by storage capacitors.
Then, during the t3 in during next picture frame, sweep trace is activation once again, but the signal waveform of the first signal transfer line 140 is the magnitude of voltage that SC1 still has noble potential, the signal waveform that promptly is higher than the first signal transfer line 140 during the t1 is the SC1 current potential, Va for example, pixel electrode for example charges to-V2 in this moment pixel.Afterwards, after sweep trace finished activation, the signal waveform of the first signal transfer line 140 was SC1.Change the magnitude of voltage of electronegative potential in the magnitude of voltage of t4, promptly be lower than the current potential of sweep trace, 0V (volt) for example, it then can be by storage capacitors draws the voltage of pixel electrode and reduces to (V2-Va ').
From the above, drive (Capacitive Coupled Driving in capacitive coupling, CC Driving) in the method, by the capacitance coupling effect between pixel electrode and the corresponding bridging line 116, the voltage of pixel electrode can be drawn high or be drawn to fall a voltage potential after sweep trace finishes activation.Thus, driving circuit only need provide less data line voltage, just can make the voltage of pixel electrode be promoted to setting value because of the coupling effect of bridging line 116, so can save the power consumption of driving circuit.Special one carry be, though be to be that example describes in the present embodiment, the invention is not restricted to this with the capacitive coupling driving method, in other words, LCD of the present invention is suitable for any type of drive that different voltages must be provided bridging line and common electrode.
In the present embodiment, in order to distinguish input signal to bridging line 116 and common electrode 132, therefore will provide the first signal transfer line 140 of signal to be made on first substrate 112 of image element array substrates 110, and the first signal transfer line 140 and secondary signal transfer line 150 can have at least one staggered place CR shown in Figure 1B with secondary signal transfer line 150.What pay special attention to is, the staggered place CR of the first signal transfer line 140 and secondary signal transfer line 150 easily static discharge takes place and punctures between the two insulation course 160, and the signal transfer line 140 of winning is short-circuited with secondary signal transfer line 150.Particularly, in general, in the LCD of using the capacitive coupling driving method, in order to reduce the impedance of signal transfer line, can the area design of signal transfer line is bigger, puncture the insulation course between the cabling yet this measure but causes the easier generation static discharge in the staggered place of two signal transfer lines, make two signal lead be short-circuited.Yet, in the present embodiment, because the first signal transfer line 140 of staggered place CR has a plurality of first branch lines 144, and the secondary signal transfer line 150 of staggered place CR has a plurality of second branch lines 154, therefore when the staggered place CR of the first signal transfer line 140 and secondary signal transfer line 150 is short-circuited, first branch line 144 and all the other first branch lines, 144 isolation of flaw can take place by order, or second branch line 154 of order generation flaw and all the other second branch lines, 154 isolation, make the signal transfer line 140 of winning recover to be electrically insulated with secondary signal transfer line 150.Therefore, LCD 100 has the structure that is easy to repair and is suitable for using the capacitive coupling driving method.
Fig. 4 A is the be short-circuited schematic top plan view of flaw of one first branch line 144a of the wherein one first signal transfer line 140 of the LCD 100 of Figure 1B and the intersection point CP of one second branch line 154a of a secondary signal transfer line 150 wherein.Fig. 4 B and Fig. 4 C illustrate a kind of schematic top plan view of method for repairing and mending of LCD respectively, and this method for repairing and mending is suitable for repairing the LCD 100 of the short circuit flaw that has shown in Fig. 4 A.Please refer to Fig. 4 A, in the present embodiment, static discharge takes place and punctures between the two insulation course 160 in one first branch line 144a of the wherein one first signal transfer line 140 of LCD 100 and the intersection point CP place of one second branch line 154a of a secondary signal transfer line 150 wherein, makes win signal transfer line 140 and secondary signal transfer line 150 defective that is short-circuited.Please refer to Fig. 4 B, in one embodiment, method for repairing and mending comprises that the first branch line 144a of flaw takes place in cutting, makes the first branch line 144a and the first signal transfer line 140 that flaw takes place be electrically insulated, thereby the first signal transfer line 140 recovers to be electrically insulated with secondary signal transfer line 150.Wherein, cutting method for example is a cut.In detail, after the first branch line 144a of flaw takes place in cutting, the first signal transfer line 140 recovers to be electrically insulated with secondary signal transfer line 150, and first main line 142 of the first signal transfer line 140 and second main line 146 can electrically connect by remaining first branch line 144, therefore the first signal transfer line 140 all has normal function with secondary signal transfer line 150, to provide voltage respectively, make LCD 100 normally to show to bridging line 116 and common electrode layer 134.
In another embodiment, shown in Fig. 4 C, method for repairing and mending comprises that the second branch line 154a of flaw takes place in cutting, makes the second branch line 154a and secondary signal transfer line 150 that flaw takes place be electrically insulated, thereby the first signal transfer line 140 recovers to be electrically insulated with secondary signal transfer line 150.Wherein, cutting method for example is a cut.In detail, after the second branch line 154a of flaw takes place in cutting, the first signal transfer line 140 recovers to be electrically insulated with secondary signal transfer line 150, and the 3rd main line 152 of secondary signal transfer line 150 and the 4th main line 156 can electrically connect by remaining second branch line 154, therefore the first signal transfer line 140 all has normal function with secondary signal transfer line 150, to provide voltage respectively, make LCD 100 normally to show to bridging line 116 and common electrode layer 134.
Fig. 5 A is the be short-circuited schematic top plan view of flaw of the first branch line 144a of the wherein one first signal transfer line 140 of the LCD 100 of Figure 1B and wherein a plurality of intersection point CP1, the CP2 of the second branch line 154a of a secondary signal transfer line 150.Fig. 5 B illustrates a kind of schematic top plan view of method for repairing and mending of LCD, and this method for repairing and mending is suitable for repairing the LCD of the short circuit flaw that has shown in Fig. 5 A.Please refer to Fig. 5 A, the short circuit flaw occurs in the first intersection point CP1 of the first branch line 144a and the second branch line 154a, and the second intersection point CP2 of the first branch line 144b and the second branch line 154b.In the present embodiment, the occurrence cause of short circuit flaw for example is that the first intersection point CP1 place and the second intersection point CP2 place respectively static discharge take place and puncture between the two insulation course 160, makes win signal transfer line 140 and 150 short circuits of secondary signal transfer line.
Please refer to Fig. 5 B, in the present embodiment, method for repairing and mending comprises that cutting has the first branch line 144a of the first intersection point CP1, makes the first branch line 144a and the first signal transfer line 140 that flaw takes place be electrically insulated.Then, cutting has the second branch line 154b of the second intersection point CP2, makes the second branch line 154b and secondary signal transfer line 150 that flaw takes place be electrically insulated.Thus, the first signal transfer line 140 recovers to be electrically insulated with secondary signal transfer line 150, and first main line 142 of the first signal transfer line 140 and second main line 146 can pass through remaining first branch line 144,144b electrically connects, the 3rd main line 152 of secondary signal transfer line 150 and the 4th main line 156 can pass through remaining second branch line 154,154a electrically connects, therefore the first signal transfer line 140 all has normal function with secondary signal transfer line 150, to provide voltage respectively, make LCD 100 normally to show to bridging line 116 and common electrode layer 134.Moreover, (do not illustrate) in another embodiment, also can be that cutting has the second branch line 154a of the first intersection point CP1 and the first branch line 144b that cutting has the second intersection point CP2, make the second branch line 154a and secondary signal transfer line 150 that flaw takes place be electrically insulated, and the first branch line 144b and the first signal transfer line 140 of generation flaw are electrically insulated.In other words, impedance for fear of the first signal transfer line 140 or secondary signal transfer line 150 is excessive, can cut some among a plurality of second branch line 154a, the 154b that flaw takes place some and cutting among a plurality of first branch line 144a, the 144b that flaw takes place, make remaining first branch line 144 and second branch line 154 have suitable quantity.Certainly, in other embodiments, also might all cut a plurality of first branch line 144a, the 144b that flaw takes place or all cut a plurality of second branch line 154a, the 154b that flaw takes place according to actual state.
In the present embodiment, because the first signal transfer line 140 of staggered place CR has a plurality of first branch lines 144, and the secondary signal transfer line 150 of staggered place CR has a plurality of second branch lines 154, therefore when first branch line 144 of staggered place CR and second branch line 154 flaw that is short-circuited, first branch line 144 and all the other first branch lines, 144 isolation of flaw can take place by order, or second branch line 154 of order generation flaw and all the other second branch lines, 154 isolation, make the signal transfer line 140 of winning recover to be electrically insulated with secondary signal transfer line 150.Thus, the first signal transfer line 140 can provide voltage to bridging line 116 and common electrode layer 134 respectively with secondary signal transfer line 150.In other words, the method for repairing and mending of LCD can be repaired the first signal transfer line and the secondary signal transfer line of the flaw that is short-circuited in the staggered place simply, make LCD return to normal demonstration by abnormal show, and do not need scrap products, and then significantly reduce the cost of manufacture of LCD.
In sum, LCD of the present invention comprises that transmission signals is to the first signal transfer line and the secondary signal transfer line of bridging line and common electrode respectively, wherein the first signal transfer line and secondary signal transfer line have at least one staggered place, and the first signal transfer line that is positioned at the staggered place has many first branch lines, and the secondary signal transfer line that is positioned at the staggered place has many second branch lines.When first branch line and second branch line are short-circuited flaw because of reasons such as static discharges, first branch line or second branch line of flaw can take place by cutting, make first branch line or second branch line and the isolation of all the other branch lines that flaw takes place.Thus, the first signal transfer line and secondary signal transfer line recover to be electrically insulated, and the first signal transfer line and secondary signal transfer line can normally transmit signal to bridging line and common electrode, so LCD can return to normal demonstration by abnormal show.In other words, LCD has the structure that is easy to repair, and can avoid scrapping of LCD, and then significantly reduces the cost of manufacture of LCD.Particularly, because LCD is suitable for using the capacitive coupling driving method, so LCD has the low power consumption characteristic, can be widely used in such as in the running gears such as mobile phone.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (17)
1. a LCD is characterized in that, comprising:
One image element array substrates comprises: one first substrate; One pel array is disposed on this first substrate; And many shared lines, be disposed on this first substrate and be positioned at this pel array below;
One subtend substrate is provided with this image element array substrates subtend, comprising: one second substrate; And use electrode layer altogether, be disposed on this second substrate;
At least one first signal transfer line is disposed on this first substrate, electrically connects these bridging lines;
At least one secondary signal transfer line, be disposed on this first substrate, electrically connect with this common electrode layer on this second substrate, this first signal transfer line has different voltages with this secondary signal transfer line, wherein this first signal transfer line and this secondary signal transfer line have at least one staggered place, this the first signal transfer line that is positioned at this staggered place has many first branch lines that extend along a first direction, and this secondary signal transfer line that is positioned at this staggered place has many second branch lines that extend along a second direction that is different from this first direction;
One insulation course is disposed between these first branch lines and these second branch lines; And
One liquid crystal layer is disposed between this subtend substrate and this image element array substrates.
2. LCD according to claim 1 is characterized in that, this first substrate comprises a viewing area and a surrounding zone, and these bridging lines are disposed at this viewing area and extend to this surrounding zone, and this first signal transfer line is disposed at this surrounding zone.
3. LCD according to claim 1, it is characterized in that, this first signal transfer line comprises one first main line and one second main line, and these first branch lines are between this first main line and this second main line, and respectively this first branch line connects this first main line and this second main line respectively.
4. LCD according to claim 3 is characterized in that, these first branch lines are parallel to each other.
5. LCD according to claim 1, it is characterized in that, this secondary signal transfer line comprises one the 3rd main line and one the 4th main line, and these second branch lines are between the 3rd main line and the 4th main line, and respectively this second branch line connects the 3rd main line and the 4th main line respectively.
6. LCD according to claim 5 is characterized in that, these second branch lines are parallel to each other.
7. LCD according to claim 1 is characterized in that this first direction is vertical with this second direction.
8. LCD according to claim 1 is characterized in that, more comprises a conductive structure, is disposed between this subtend substrate and this image element array substrates, and wherein this secondary signal transfer line electrically connects by this conductive structure and this common electrode layer.
9. LCD according to claim 8 is characterized in that, this conductive structure comprises a conducting sphere or a conductive pole.
10. LCD according to claim 1 is characterized in that, this first signal transfer line has an alternating voltage, and this secondary signal transfer line has a fixing DC voltage.
11. the method for repairing and mending of a LCD, it is characterized in that, be suitable for repairing the described LCD of claim 1, when an intersection point of one second branch line of one first branch line of one first signal transfer line wherein and a secondary signal transfer line was short-circuited flaw, this method for repairing and mending comprised:
This first branch line of flaw takes place in cutting, make this first branch line and this first signal transfer line that flaw takes place be electrically insulated, or this second branch line of flaw takes place in cutting, this second branch line and this secondary signal transfer line that flaw make to take place are electrically insulated, thereby this first signal transfer line and this secondary signal transfer line are electrically insulated.
12. the method for repairing and mending of LCD according to claim 11, it is characterized in that, this first signal transfer line comprises one first main line and one second main line, these first branch lines are between this first main line and this second main line, and respectively this first branch line connects this first main line and this second main line respectively.
13. the method for repairing and mending of LCD according to claim 11 is characterized in that, behind this first branch line of cutting generation flaw, this first main line or this second main line transmit signal through all the other first branch lines.
14. the method for repairing and mending of LCD according to claim 11, it is characterized in that, this secondary signal transfer line comprises one the 3rd main line and one the 4th main line, these second branch lines are between the 3rd main line and the 4th main line, and respectively this second branch line connects the 3rd main line and the 4th main line respectively.
15. the method for repairing and mending of LCD according to claim 11 is characterized in that, behind this second branch line of cutting generation flaw, wherein the 3rd main line or the 4th main line transmit signal through all the other second branch lines.
16. the method for repairing and mending of LCD according to claim 11 is characterized in that, the intersection point that flaw takes place comprises one first intersection point and one second intersection point, and this method for repairing and mending comprises:
Cutting has this first branch line of this first intersection point, makes this first branch line and this first signal transfer line that flaw takes place be electrically insulated; And
Cutting has this second branch line of this second intersection point, makes this second branch line and this secondary signal transfer line that flaw takes place be electrically insulated.
17. a LCD is characterized in that, comprising:
One first substrate;
Many shared lines are disposed on this first substrate;
One second substrate is provided with this first substrate subtend;
Use electrode layer altogether, be disposed on this second substrate;
At least one first signal transfer line is disposed on this first substrate, extends along a first direction, electrically connects these bridging lines;
At least one secondary signal transfer line, be disposed on this first substrate, extend along a second direction that is different from this first direction, electrically connect with this common electrode layer on this second substrate, this first signal transfer line has different voltages with this secondary signal transfer line, wherein this first signal transfer line and this secondary signal transfer line have at least one staggered place, this the first signal transfer line that is positioned at this staggered place has many first branch lines, and this secondary signal transfer line that is positioned at this staggered place has many second branch lines;
One insulation course is disposed between these first branch lines and these second branch lines; And
One liquid crystal layer is disposed between this first substrate and this second substrate.
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| TW99146767A TWI402595B (en) | 2010-12-30 | 2010-12-30 | Liquid crystal display device and repairing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777939A (en) * | 2015-04-24 | 2015-07-15 | 昆山龙腾光电有限公司 | Touch panel |
| CN111192524A (en) * | 2019-06-17 | 2020-05-22 | 友达光电股份有限公司 | Element substrate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001350154A (en) * | 2000-06-08 | 2001-12-21 | Seiko Epson Corp | Liquid crystal display device and electronic equipment using the device |
| CN1815315A (en) * | 2005-02-01 | 2006-08-09 | 三星电子株式会社 | Liquid crystal display and method of fabricating the same |
| JP2008145686A (en) * | 2006-12-08 | 2008-06-26 | Epson Imaging Devices Corp | Liquid crystal device and electronic apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100242437B1 (en) * | 1996-08-07 | 2000-02-01 | 윤종용 | Liquid crystal module and its manufacturing method |
| KR100295309B1 (en) * | 1997-09-30 | 2001-09-17 | 구본준, 론 위라하디락사 | Thin film transistor substrate |
| TWI248533B (en) * | 2002-10-09 | 2006-02-01 | Chi Mei Optoelectronics Corp | Liquid crystal display panel |
| CN101261373B (en) * | 2008-04-18 | 2010-04-21 | 友达光电(上海)有限公司 | LCD panel and its common electrode lines mending method |
-
2010
- 2010-12-30 TW TW99146767A patent/TWI402595B/en active
-
2011
- 2011-03-02 CN CN 201110052353 patent/CN102176099B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001350154A (en) * | 2000-06-08 | 2001-12-21 | Seiko Epson Corp | Liquid crystal display device and electronic equipment using the device |
| CN1815315A (en) * | 2005-02-01 | 2006-08-09 | 三星电子株式会社 | Liquid crystal display and method of fabricating the same |
| JP2008145686A (en) * | 2006-12-08 | 2008-06-26 | Epson Imaging Devices Corp | Liquid crystal device and electronic apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777939A (en) * | 2015-04-24 | 2015-07-15 | 昆山龙腾光电有限公司 | Touch panel |
| CN104777939B (en) * | 2015-04-24 | 2018-01-16 | 昆山龙腾光电有限公司 | Contact panel |
| US9927935B2 (en) | 2015-04-24 | 2018-03-27 | Infovision Optoelectronics (Kunshan) Co., Ltd. | Touch panel and display device |
| CN111192524A (en) * | 2019-06-17 | 2020-05-22 | 友达光电股份有限公司 | Element substrate |
| CN111192524B (en) * | 2019-06-17 | 2021-10-08 | 友达光电股份有限公司 | Element substrate |
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| CN102176099B (en) | 2013-02-27 |
| TWI402595B (en) | 2013-07-21 |
| TW201227123A (en) | 2012-07-01 |
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