CN105511128A - Display panel and quickly repaired multiplexer circuit and repair method thereof - Google Patents
Display panel and quickly repaired multiplexer circuit and repair method thereof Download PDFInfo
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- CN105511128A CN105511128A CN201610058241.0A CN201610058241A CN105511128A CN 105511128 A CN105511128 A CN 105511128A CN 201610058241 A CN201610058241 A CN 201610058241A CN 105511128 A CN105511128 A CN 105511128A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- Nonlinear Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Electrotherapy Devices (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Abstract
The invention provides a multiplexer circuit, comprising a plurality of multiplexers, at least one standby multiplexer, at least one input repair line and at least N output repair lines. Each multiplexer comprises a first input end and N first output ends. Each standby multiplexer comprises a second input end and N second output ends, the second input end is connected with a second input conductive wire, and each second output end is connected with a second output conductive wire. The input repair lines and all the first input conductive wires are intersected positionally but not electrically connected, and the input repair lines are intersected with the second input conductive wires. The output repair lines are intersected with all the first input conductive wires but not electrically connected with the same, and are intersected with all the second output conductive wires. The invention also provides a display panel and a repair method of the multiplexer circuit. The display panel and the multiplexer circuit and the repair method thereof provide convenience for repairing the multiplexer circuit.
Description
Technical field
The present invention relates to a kind of panel, particularly relate to the demultplexer circuit that can fast repair in a kind of display panel, display panel and restorative procedure thereof.
Background technology
At present, in order to reduce the size of display panel, be a mode effectively by reducing the output wiring of driving chip.The mode that current driving chip exports data line to mostly adopts the mode of the multiplexer circuit comprising multiple multiplexer, each multiplexer has an input end and multiple output terminal, input end is connected with a signal source line of driving chip, and each output terminal is connected with the data line on display panel.It is some that the signal of an input end to be sent in multiple output terminal by multiplexed mode by multiplexer, the signal source line of driving chip can be reduced, and save wiring space.But, multiplexer circuit more complicated, if one of them multiplexer damages for a certain reason, such as, because circuit in processing procedure disconnects, foreign matter causes short circuit, static discharge (ESD, Electro-Staticdischarge) to wound etc. the output terminal that namely there will be in multiplexer bad, even occur that picture is abnormal.Bad now for multiplexer, generally can not do degradation process or repairing by repairing chip, defective products can only scrap process, causes waste.
Summary of the invention
The invention provides a kind of display panel, the multiplexer circuit that can fast repair and restorative procedure thereof, can repair multiplexer circuit easily, avoid existing problem.
A kind of can the multiplexer circuit of convenient reparation, comprise some multiplexers, each multiplexer comprises first input end and N number of first output terminal, each first input end is connected with corresponding source signal line by the first input call wire, each first output terminal exports call wire by first and connects with corresponding data line, wherein, described multiplexer circuit also comprise at least one multiplexer for subsequent use, at least one input patch cord and at least N bar export patch cord.Each multiplexer for subsequent use comprises the second input end and N number of second output terminal, and the second input end and second inputs call wire and is connected, and each second output terminal and second exports call wire and is connected.This at least one input patch cord intersects with all first position inputting call wire but is not electrically connected, and inputs conductive lines intersect with second.This at least N bar export patch cord and export conductive lines intersect with all first and be not electrically connected, and export conductive lines intersect with all second, wherein said N be more than or equal to 2 natural number.
Wherein, the number of described multiplexer for subsequent use is one, and the quantity of described input patch cord is one, and the quantity of described output patch cord equals the number N of the first output terminal of multiplexer.
Wherein, the number of described multiplexer for subsequent use is two, and lay respectively at the both sides of described some multiplexers, the first position inputting call wire that described input patch cord is connected with the first input end of all multiplexers intersects but is not electrically connected, and what described input patch cord was also connected with the second input end of two multiplexers for subsequent use second inputs conductive lines intersect; What described N bar exported that patch cord is connected with the first output terminal of all multiplexers first exports conductive lines intersect and is not electrically connected, and what described N bar output patch cord was connected with the second output terminal of two multiplexers for subsequent use second exports conductive lines intersect; Described input patch cord and N bar export patch cord and do partition process in the centre of any two multiplexers.
Wherein, the quantity of described multiplexer for subsequent use and described input patch cord is M, and the quantity of described output patch cord is N*M, M is natural number; Wherein, input patch cord be connected with multiplexer first input that call wire and multiplexer for subsequent use connect second input conductive lines intersect and be not electrically connected, output patch cord be connected with multiplexer first export that call wire and multiplexer for subsequent use connect second export conductive lines intersect and be not electrically connected.
Wherein, when a certain multiplexer in multiplexer circuit breaks down, the first input end and corresponding first of the multiplexer this broken down inputs call wire and cuts off and connect, and N number of first output terminal of the multiplexer this broken down exports call wire respectively cuts off connect with corresponding N bar first, then, this input patch cord is connected to the first input call wire that this cut-out connects, the second input call wire that the second input end this input patch cord being connected to multiplexer for subsequent use connects, then N bar output patch cord is exported call wire with the N bar first cut off respectively to be electrically connected one by one, and the N bar second to be connected with multiplexer for subsequent use exports call wire and is electrically connected one by one.
Wherein, the first input end and corresponding first of the described multiplexer this broken down inputs call wire and cuts off the mode connected for by radium-shine cutting; Described the first input call wire this input patch cord being connected to this cut-out and connecting, the second input call wire that the second input end this input patch cord being connected to multiplexer for subsequent use connects, then N bar is exported patch cord to export call wire be electrically connected one by one with the N bar first cut off respectively, and N bar is exported N bar second that patch cord is connected with multiplexer for subsequent use respectively and export call wire and electrically connect as one by one by the radium-shine mode run through.
A kind of display panel is provided, comprise source signal chip, TFT substrate and multiplexer circuit, described source signal chip is connected with all source signal lines, for passing through source signal line output source signal, described TFT substrate is connected with all data lines, shows under the driving of source signal for receiving the source signal of data line.This multiplexer circuit comprises some multiplexers, each multiplexer comprises first input end and N number of first output terminal, each first input end is connected with corresponding source signal line by the first input call wire, each first output terminal exports call wire by first and connects with corresponding data line, wherein, described multiplexer circuit also comprise at least one multiplexer for subsequent use, at least one input patch cord and at least N bar export patch cord.Each multiplexer for subsequent use comprises the second input end and N number of second output terminal, and the second input end and second inputs call wire and is connected, and each second output terminal and second exports call wire and is connected.This at least one input patch cord intersects with all first position inputting call wire but is not electrically connected, and inputs conductive lines intersect with second.This at least N bar export patch cord and export conductive lines intersect with all first and be not electrically connected, and export conductive lines intersect with all second, wherein said N be more than or equal to 2 natural number.
Wherein, the number of described multiplexer for subsequent use is one, and the quantity of described input patch cord is one, and the quantity of described output patch cord equals the number N of the first output terminal of multiplexer.
Wherein, the number of described multiplexer for subsequent use is two, and lay respectively at the both sides of described some multiplexers, the first position inputting call wire that described input patch cord is connected with the first input end of all multiplexers intersects but is not electrically connected, and what described input patch cord was also connected with the second input end of two multiplexers for subsequent use second inputs conductive lines intersect; What described N bar exported that patch cord is connected with the first output terminal of all multiplexers first exports conductive lines intersect and is not electrically connected, and what described N bar output patch cord was connected with the second output terminal of two multiplexers for subsequent use second exports conductive lines intersect; Described input patch cord and N bar export patch cord and do partition process in the centre of any two multiplexers.
Wherein, the quantity of described multiplexer for subsequent use and described input patch cord is M, and the quantity of described output patch cord is N*M, M is natural number; Wherein, input patch cord be connected with multiplexer first input that call wire and multiplexer for subsequent use connect second input conductive lines intersect and be not electrically connected, output patch cord be connected with multiplexer first export that call wire and multiplexer for subsequent use connect second export conductive lines intersect and be not electrically connected.
Wherein, when a certain multiplexer in multiplexer circuit breaks down, the first input end and corresponding first of the multiplexer this broken down inputs call wire and cuts off and connect, and N number of first output terminal of the multiplexer this broken down exports call wire respectively cuts off connect with corresponding N bar first, then, this input patch cord is connected to the first input call wire that this cut-out connects, the second input call wire that the second input end this input patch cord being connected to multiplexer for subsequent use connects, then N bar output patch cord is exported call wire with the N bar first cut off respectively to be electrically connected one by one, and the N bar second to be connected with multiplexer for subsequent use exports call wire and is electrically connected one by one.
Wherein, the first input end and corresponding first of the described multiplexer this broken down inputs call wire and cuts off the mode connected for by radium-shine cutting; Described the first input call wire this input patch cord being connected to this cut-out and connecting, the second input call wire that the second input end this input patch cord being connected to multiplexer for subsequent use connects, then N bar is exported patch cord to export call wire be electrically connected one by one with the N bar first cut off respectively, and N bar is exported N bar second that patch cord is connected with multiplexer for subsequent use respectively and export call wire and electrically connect as one by one by the radium-shine mode run through.
A restorative procedure for multiplexer circuit, for repairing multiplexer circuit efficiently, described method comprises: determine the multiplexer broken down; The first input end and corresponding first of the multiplexer this broken down inputs call wire and cuts off, and N number of first output terminal of the multiplexer this broken down exports call wire with corresponding first respectively cuts off; This input patch cord is connected to this cut-out connect first input call wire and multiplexer for subsequent use connect second input call wire; And N bar is exported patch cord export call wire be electrically connected one by one with the N bar first cut off respectively, and the N bar second be connected with multiplexer for subsequent use respectively exports call wire and is electrically connected one by one.
Wherein, described step " first input end and corresponding first of the multiplexer this broken down inputs call wire and cuts off; and N number of first output terminal of the multiplexer this broken down exports call wire with corresponding first respectively cuts off " comprising: the first input end and corresponding first of the multiplexer this broken down by the mode of radium-shine cutting is inputted call wire and cuts off, and N number of first output terminal of the multiplexer this broken down by the mode of radium-shine cutting exports call wire with corresponding first respectively cuts off.
Wherein, this input patch cord " is connected to the first input call wire that this cut-out connects and the second input call wire that multiplexer for subsequent use connects " and comprises by described step: this input patch cord is connected to the first input call wire that this cut-out connects and the second input call wire that multiplexer for subsequent use connects by the radium-shine mode run through; Described step " N bar is exported patch cord export call wire be electrically connected one by one with the N bar first cut off respectively; and the N bar second be connected with multiplexer for subsequent use respectively export call wire be electrically connected one by one connect " comprising: N bar exported patch cord by the radium-shine mode run through and exports call wire with the N bar first cut off respectively and be electrically connected one by one, and by the radium-shine mode run through, the N bar second that N bar output patch cord is connected with multiplexer for subsequent use is respectively exported call wire and be electrically connected one by one.
Display panel of the present invention, the multiplexer circuit that can fast repair and restorative procedure thereof, by arranging multiplexer for subsequent use and some patch cords, can repair multiplexer circuit easily, avoiding the waste of cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other obvious mode of texturing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic diagram of the multiplexer circuit in one embodiment of the invention.
Fig. 2 is the reparation schematic diagram of the multiplexer circuit in one embodiment of the invention.
Fig. 3 is the schematic diagram of the multiplexer circuit in another embodiment of the present invention.
Fig. 4 is the reparation schematic diagram of the multiplexer circuit in another embodiment of the present invention.
Fig. 5 is the schematic diagram of the multiplexer circuit in yet another embodiment of the invention.
Fig. 6 is the module diagram of the display panel in one embodiment of the invention.
Fig. 7 is the process flow diagram of the restorative procedure of multiplexer circuit in one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Referring to Fig. 1, is the schematic diagram of a multiplexer circuit 1.This multiplexer circuit 1 comprises some multiplexers 10 and at least one multiplexer for subsequent use 20.Each multiplexer 10 comprises a first input end 11 and N number of first output terminal 12, and multiplexer 20 for subsequent use comprises the second input end 21 and N number of second output terminal 22.This multiplexer 10 is N-plexing device with multiplexer 20 for subsequent use, exports multiplexing for a road input to N road.Wherein, N be more than or equal to 2 natural number.
The first input end 11 of each multiplexer 10 is connected by the source signal line S1 that one first input call wire 111 is corresponding with, and each first output terminal 12 is connected by the data line D1 that one first exports call wire 112 corresponding with.Wherein, what this source signal line S1 exported can be driving voltage, and this multiplexer 10 exports N bar data line D1 to successively for the driving voltage timesharing accessed by first input end 11, thus realizes multiplexed.Second input end 21 of each multiplexer 20 for subsequent use is connected with the second input call wire 211, and each second output terminal 22 of multiplexer 20 for subsequent use is connected with the second output call wire 212.
This multiplexer circuit 1 also comprise at least one input patch cord L1 and at least N bar export patch cord L2.Wherein, the first position inputting call wire 111 that input patch cord L1 is connected with the first input end 11 of all multiplexers 10 intersects but is not electrically connected.What input patch cord L1 was connected with the second input end 21 of multiplexer 20 for subsequent use second inputs call wire 211 and intersects and be electrically connected or be not electrically connected.Concrete, input patch cord L1 and first inputs call wire 111, second and inputs call wire 211 and be distributed in different wiring layers and mutual electric isolution.This input patch cord L1 also can input call wire 211 further and forms conductive through hole by the radium-shine mode run through and be electrically connected with second, this input patch cord L1 also can be inputted call wire 211 and is electrically connected by wire with second.Thus, before multiplexer circuit 1 is not repaired, this input patch cord L1 can be inputted call wire 211 electric isolution in advance or is electrically connected by conductive through hole or wire with second, that is, input that patch cord L1 is connected with the second input end 21 of multiplexer 20 for subsequent use second inputs call wire 211 intersects and is electrically connected or is not electrically connected.
What this N bar exported that patch cord L2 is connected with the first output terminal 12 of all multiplexers 10 first exports call wire 112 and intersects and be not electrically connected.What this N bar exported that patch cord L2 is connected with the second output terminal 22 of multiplexer 20 for subsequent use second exports call wire 212 and intersects and be electrically connected or be not electrically connected.Concrete, what this N bar exported that patch cord L2 and the first output terminal 12 of all multiplexers 10 connect first exports call wire 112, the second output terminal 22 of multiplexer for subsequent use 20 connects second exports call wire 212 and is also distributed in different wiring layers and mutual electric isolution.Equally, each export patch cord L2 and second export call wire 212 can electric isolution or form conductive through hole by the radium-shine mode run through in advance and carry out correspondingly being electrically connected or being electrically connected by wire.Thus, before multiplexer circuit 1 is not repaired, this output patch cord L2 can be exported call wire 212 electric isolution in advance or is electrically connected by conductive through hole or wire with second, that is, what this N bar exported that patch cord L2 is connected with the second output terminal 22 of multiplexer 20 for subsequent use second exports call wire 212 and intersects and be electrically connected or be not electrically connected.
As shown in Figure 1, in one embodiment, the number of this multiplexer 20 for subsequent use is one, and the quantity of this output patch cord L2 equals the number N of the output terminal 22 of multiplexer 20.
Seeing also Fig. 2, is the reparation schematic diagram of multiplexer circuit 1.Wherein, when a certain multiplexer 10 in multiplexer circuit 1 breaks down, such as line short or multiplexer 10 itself go wrong, now, the first input end 11 and corresponding first of the multiplexer 10 this broken down by the mode of radium-shine cutting inputs call wire 111 and cuts off and connect (see the short solid line q1 of the transverse direction in Fig. 2), and N number of first output terminal 12 of the multiplexer 10 this broken down exports call wire 112 respectively cuts off connect (see the short solid line q1 of the transverse direction in Fig. 2) with corresponding first.
Then, by the radium-shine mode run through, this input patch cord L1 is connected to the first input call wire 111 of this cut-out connection (as the circular firing point Y1 in Fig. 2, compact owing to scheming, only at place's label in Fig. 2) and N bar is exported patch cord L2 cuts off with N bar respectively first export call wire 112 and run through one by one and be electrically connected (the circular firing point Y1 as in Fig. 2).Then, if what input patch cord L1 was connected with the input end 21 of multiplexer 20 for subsequent use second inputs call wire 211 and does not connect, if and N bar exports N bar second that patch cord L2 is connected with multiplexer 20 for subsequent use and exports call wire 212 and do not connect, the second input call wire 211 that the second input end 21 then by the radium-shine mode run through, this input patch cord L1 being connected to multiplexer 20 for subsequent use connects, and then N bar exported by the radium-shine mode run through N bar second that patch cord L2 is connected with multiplexer 20 for subsequent use respectively and export call wire 212 and run through electrical connection one by one.
Now, original source signal line S1 be connected with the first input end 11 of this multiplexer 10 broken down inputs call wire 211 by this input patch cord L1, second and is connected with the second input end 21 of this multiplexer 20 for subsequent use, and original data line D1 be connected with the first output terminal 12 of this multiplexer 10 broken down exports call wire 212 be connected respectively by exporting patch cord L2, second with the second output terminal 22 of multiplexer 20 for subsequent use.Thus this multiplexer 10 broken down of replacement is carried out work by this multiplexer 20 for subsequent use, and completes reparation.
The multiplexer circuit 1 that can fast repair of the present invention, by increasing some patch cords and multiplexer for subsequent use 20, when there being multiplexer 10 to break down, can repair easily.
Referring to Fig. 3, is the schematic diagram of the multiplexer circuit 1 in another embodiment of the present invention.In this embodiment, the number of this multiplexer 20 for subsequent use is two, and lays respectively at the both sides of those multiplexers 10.Wherein, the first position inputting call wire 111 that input patch cord L1 is connected with the first input end 11 of all multiplexers 10 intersects but is not electrically connected.What input patch cord L1 was connected with the second input end 21 of two multiplexers 20 for subsequent use second inputs call wire 211 and intersects and be electrically connected or be not electrically connected.Wherein, input patch cord L1 and first to input call wire 111, second and input call wire 211 and be distributed in different wiring layers and mutual electric isolution.This input patch cord L1 also can be inputted call wire 211 further and forms conductive through hole by the radium-shine mode run through and carry out being electrically connected or being electrically connected by wire with second.Thus, before multiplexer circuit 1 is not repaired, this input patch cord L1 can be inputted call wire 211 electric isolution in advance or is electrically connected by conductive through hole or wire with second, that is, input that patch cord L1 is connected with the second input end 21 of two multiplexers 20 for subsequent use second inputs call wire 211 intersects and is electrically connected or is not electrically connected.
What this N bar exported that patch cord L2 is connected with the first output terminal 12 of all multiplexers 10 first exports call wire 112 and intersects and be not electrically connected.What this N bar exported that patch cord L2 is connected with the second output terminal 22 of two multiplexers 20 for subsequent use second exports call wire 212 and intersects and be electrically connected or be not electrically connected.Equally, what this N bar exported that patch cord L2 and the first output terminal 12 of all multiplexers 10 connect first exports call wire 112, the second output terminal 22 of multiplexer for subsequent use 20 connects second exports call wire 212 and is also distributed in different wiring layers and mutual electric isolution.Each export patch cord L2 and second export call wire 212 can electric isolution or form conductive through hole by the radium-shine mode run through and carry out correspondingly being electrically connected or being electrically connected by wire.Thus, before multiplexer circuit 1 is not repaired, this output patch cord L2 can be exported call wire 212 electric isolution in advance or is electrically connected by conductive through hole or wire with second, that is, what this N bar exported that patch cord L2 is connected with the second output terminal 22 of two multiplexers 20 for subsequent use second exports call wire 212 and intersects and be electrically connected or be not electrically connected.
This input patch cord L1 and N bar export patch cord L2 and also do partition process (the vertical heavy line q2 see the centre position in Fig. 3) in the centre of any two multiplexers 10.Thus one of them multiplexer 20 for subsequent use can be used for the reparation of some multiplexers 10 of the side being positioned at partition, another multiplexer 20 for subsequent use can be used for the reparation of some multiplexers of the opposite side cut off.Input patch cord L1 and N bar can be exported two sections of lines that patch cord L2 cuts into mutual insulating respectively for the mode by radium-shine cutting by this partition process.
Concrete, as shown in Figure 4, when a multiplexer 10 in the left side being positioned at partition breaks down, the first input end 11 and corresponding first of the multiplexer 10 this broken down by the mode of radium-shine cutting inputs call wire 111 and cuts off (see the short solid line q3 of the transverse direction in Fig. 4), and N number of first output terminal 12 of the multiplexer 10 this broken down exports call wire 112 respectively cuts off (see the short solid line q3 of the transverse direction in Fig. 4) with corresponding first.Then, by the radium-shine mode run through, this input patch cord L1 is connected to the first input call wire 111 (the circular firing point Y2 as in Fig. 4) of this cut-out connection.In addition, if what input patch cord L1 was connected with the multiplexer for subsequent use 20 being positioned at left side second inputs call wire 211 and does not connect and export patch cord L2 and N bar second that multiplexer for subsequent use 20 on the left of being positioned at is connected exports call wire 212 and do not connect, what be then connected with the multiplexer for subsequent use 20 being positioned at left side by this input patch cord L1 by the radium-shine mode run through second input call wire 211 and connects, and N bar is exported patch cord L2 respectively be positioned on the left of the N bar second that is connected of multiplexer for subsequent use 20 export call wire 212 and run through electrical connection one by one.
Referring to Fig. 5, is the schematic diagram of the present invention in an embodiment again.In this embodiment, if the quantity of this multiplexer 20 for subsequent use is M, the quantity of this input patch cord L1 is also M, and the quantity of this output patch cord is N*M, M is natural number.Wherein, input patch cord L1 be connected with multiplexer 10 first input that call wire 111 and multiplexer for subsequent use 20 connect second input call wire 211 and intersect and be not electrically connected, output patch cord L2 be connected with multiplexer 10 first export that call wire 112 and multiplexer for subsequent use 20 connect second export call wire 212 and intersect and be not electrically connected.
Thus, when a certain multiplexer 10 breaks down, the first input end 11 and corresponding first of the multiplexer 10 that can first this be broken down inputs call wire 111 and cuts off (see the short solid line q4 of the transverse direction in Fig. 5), and N number of first output terminal 12 of the multiplexer 10 this broken down exports call wire 112 respectively cuts off (see the short solid line q4 of the transverse direction in Fig. 5) with corresponding first.What the first input end 21 then selecting an input patch cord L1 input call wire 111 and a multiplexer 20 for subsequent use respectively with first of this cut-out was connected second input call wire 211 and is electrically connected (see firing point Y3 circular in Fig. 5), and select any N bar to export patch cord L2 cuts off with this N bar respectively first exports that call wire 112 and this multiplexer 20 for subsequent use be connected second export call wire 212 and carry out connecting (arrive see circle in Fig. 5 and lead to a Y3).Thus the multiplexer 10 that this multiplexer 20 for subsequent use can replace this to break down works, and reaches the object of reparation.
Referring to Fig. 6, is the schematic diagram of display panel 100.This display panel 100 comprises this multiplexer circuit 1, source signal chip 2 and TFT substrate 3.This source signal chip 2 is connected with all source signal line S1, for passing through the source signals such as source signal line S1 output drive signal.This TFT substrate 3 is connected with all data line D1, shows under the driving of source signal for receiving the source signal of data line D1.Wherein, this display panel 100 is display panels.
Wherein, when multiplexer 10 breaks down, corresponding data line D1 will not have source signal input and cannot drive display, therefore, the multiplexer 10 broken down is determined in display by detecting display panel 100, and also whether be short-circuited by the tool detection multiplexers such as multimeter 1, open circuit etc. determines the multiplexer 10 broken down.
Wherein, above-mentioned input patch cord L1 can be the wiring of extra increase or the odd number even column control signal wire for using for the unit testing (celltest) of display panel 100.
Seeing also Fig. 7, is the restorative procedure schematic diagram of multiplexer circuit 1.The method is for repairing multiplexer circuit 1 as above.The method comprises the steps:
Determine the multiplexer 10 (S701) broken down.
The first input end 11 and corresponding first of the multiplexer 10 this broken down inputs call wire 111 and cuts off, and N number of first output terminal 12 of the multiplexer 10 this broken down exports call wire 112 with corresponding first respectively cuts off (S703).Concrete, for by the radium-shine mode run through this input patch cord being connected to the first input call wire that this cut-out connects and the second input call wire that multiplexer for subsequent use connects.
This input patch cord L1 is connected to this cut-out connect first input call wire 111 and multiplexer for subsequent use 20 connect second input call wire 211 (S705).Concrete, for by the radium-shine mode run through input patch cord L1 being connected to the first input call wire 111 that this cut-out connects and the second input call wire 211 that multiplexer for subsequent use 20 connects.
N bar is exported patch cord L2 to export call wire 112 respectively with the N bar first cut off and to be electrically connected one by one and the N bar second that is connected with multiplexer 20 for subsequent use respectively exports call wire 212 and is electrically connected (S707) one by one.Concrete, export call wire and be electrically connected one by one with the N bar first cut off for N bar being exported patch cord by the radium-shine mode run through respectively, and N bar exported by the radium-shine mode run through N bar second that patch cord is connected with multiplexer for subsequent use respectively and export call wire and be electrically connected one by one.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are done, still belong to the scope that invention is contained.
Claims (10)
1. one kind can the multiplexer circuit of convenient reparation, comprise some multiplexers, each multiplexer comprises first input end and N number of first output terminal, each first input end is connected with corresponding source signal line by the first input call wire, each first output terminal exports call wire by first and connects with corresponding data line, it is characterized in that, described multiplexer circuit also comprises:
At least one multiplexer for subsequent use, each multiplexer for subsequent use comprises the second input end and N number of second output terminal, and the second input end and second inputs call wire and is connected, and each second output terminal and second exports call wire and is connected;
At least one input patch cord, the position inputting call wire with all first intersects but is not electrically connected, and inputs conductive lines intersect with second;
At least N bar export patch cord, export conductive lines intersect with all first and be not electrically connected, and exporting conductive lines intersect with all second, wherein said N be more than or equal to 2 natural number.
2. multiplexer circuit as claimed in claim 1, it is characterized in that, the number of described multiplexer for subsequent use is one, and the quantity of described input patch cord is one, and the quantity of described output patch cord equals the number N of the first output terminal of multiplexer.
3. multiplexer circuit as claimed in claim 1, it is characterized in that, the number of described multiplexer for subsequent use is two, and lay respectively at the both sides of described some multiplexers, the first position inputting call wire that described input patch cord is connected with the first input end of all multiplexers intersects but is not electrically connected, and what described input patch cord was also connected with the second input end of two multiplexers for subsequent use second inputs conductive lines intersect; What described N bar exported that patch cord is connected with the first output terminal of all multiplexers first exports conductive lines intersect and is not electrically connected, and what described N bar output patch cord was connected with the second output terminal of two multiplexers for subsequent use second exports conductive lines intersect; Described input patch cord and N bar export patch cord and do partition process in the centre of any two multiplexers.
4. multiplexer circuit as claimed in claim 1, it is characterized in that, the quantity of described multiplexer for subsequent use and described input patch cord is M, and the quantity of described output patch cord is N*M, M is natural number; Wherein, input patch cord be connected with multiplexer first input that call wire and multiplexer for subsequent use connect second input conductive lines intersect and be not electrically connected, output patch cord be connected with multiplexer first export that call wire and multiplexer for subsequent use connect second export conductive lines intersect and be not electrically connected.
5. multiplexer circuit as claimed in claim 1, it is characterized in that, when a certain multiplexer in multiplexer circuit breaks down, the first input end and corresponding first of the multiplexer this broken down inputs call wire and cuts off and connect, and N number of first output terminal of the multiplexer this broken down exports call wire respectively cuts off connect with corresponding N bar first, then, this input patch cord is connected to the first input call wire that this cut-out connects, the second input call wire that the second input end this input patch cord being connected to multiplexer for subsequent use connects, then N bar output patch cord is exported call wire with the N bar first cut off respectively to be electrically connected one by one, and the N bar second to be connected with multiplexer for subsequent use exports call wire and is electrically connected one by one.
6. multiplexer circuit as claimed in claim 5, is characterized in that, the first input end and corresponding first of the described multiplexer this broken down inputs call wire and cuts off the mode connected for by radium-shine cutting; Described the first input call wire this input patch cord being connected to this cut-out and connecting, the second input call wire that the second input end this input patch cord being connected to multiplexer for subsequent use connects, then N bar is exported patch cord to export call wire be electrically connected one by one with the N bar first cut off respectively, and N bar is exported N bar second that patch cord is connected with multiplexer for subsequent use respectively and export call wire and electrically connect as one by one by the radium-shine mode run through.
7. a display panel, comprise source signal chip, TFT substrate and the multiplexer circuit according to any one of claim 1-6, described source signal chip is connected with all source signal lines, for passing through source signal line output source signal, described TFT substrate is connected with all data lines, shows under the driving of source signal for receiving the source signal of data line.
8. a restorative procedure for multiplexer circuit, for repairing multiplexer circuit efficiently, described method comprises:
Determine the multiplexer broken down;
The first input end and corresponding first of the multiplexer this broken down inputs call wire and cuts off, and N number of first output terminal of the multiplexer this broken down exports call wire with corresponding first respectively cuts off;
This input patch cord is connected to this cut-out connect first input call wire and multiplexer for subsequent use connect second input call wire; And
N bar is exported patch cord export call wire be electrically connected one by one with the N bar first cut off respectively, and the N bar second be connected with multiplexer for subsequent use respectively exports call wire and is electrically connected one by one.
9. method as claimed in claim 8, it is characterized in that, described step " first input end and corresponding first of the multiplexer this broken down inputs call wire and cuts off, and N number of first output terminal of the multiplexer this broken down exports call wire with corresponding first respectively cut off " comprising:
The first input end and corresponding first of the multiplexer this broken down by the mode of radium-shine cutting is inputted call wire and cuts off, and N number of first output terminal of the multiplexer this broken down by the mode of radium-shine cutting exports call wire with corresponding first respectively cuts off.
10. method as claimed in claim 8, is characterized in that, this input patch cord " is connected to the first input call wire that this cut-out connects and the second input call wire that multiplexer for subsequent use connects " and comprises by described step:
This input patch cord is connected to the first input call wire that this cut-out connects and the second input call wire that multiplexer for subsequent use connects by the radium-shine mode run through;
Described step " N bar is exported patch cord export call wire be electrically connected one by one with the N bar first cut off respectively, and the N bar second be connected with multiplexer for subsequent use respectively export call wire be electrically connected one by one connect " comprising:
By the radium-shine mode run through, N bar is exported patch cord to export call wire be electrically connected one by one with the N bar first cut off respectively, and N bar exported by the radium-shine mode run through N bar second that patch cord is connected with multiplexer for subsequent use respectively and export call wire and be electrically connected one by one.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109949729A (en) * | 2019-04-29 | 2019-06-28 | 武汉华星光电半导体显示技术有限公司 | AMOLED panel is at box detection circuit and its method of repair data line |
| CN111710301A (en) * | 2020-07-13 | 2020-09-25 | 京东方科技集团股份有限公司 | Display panel, preparation method and repair method thereof, and display device |
| CN113474833A (en) * | 2019-03-19 | 2021-10-01 | 三星电子株式会社 | LED display panel and repair method |
| CN114068583A (en) * | 2020-08-03 | 2022-02-18 | 友达光电股份有限公司 | Pixel array substrate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004498A (en) * | 2006-01-18 | 2007-07-25 | 三星电子株式会社 | Liquid crystal display and method of repairing the same |
| CN101354486A (en) * | 2007-07-27 | 2009-01-28 | 中华映管股份有限公司 | Active element array substrate and method for mending perimeter circuit |
| CN101533621A (en) * | 2009-04-22 | 2009-09-16 | 上海广电光电子有限公司 | Method for restoring grid drive |
| KR20120070767A (en) * | 2010-12-22 | 2012-07-02 | 엘지디스플레이 주식회사 | Liquid crystal display device and method for driving the same |
| CN103235459A (en) * | 2013-04-27 | 2013-08-07 | 合肥京东方光电科技有限公司 | Display substrate and lead repairing method of driver ICs (Integrated Circuits) |
| US9035863B2 (en) * | 2011-03-28 | 2015-05-19 | Samsung Display Co., Ltd. | Liquid crystal display data driver capable of column inversion and 3-column inversion driving method |
-
2016
- 2016-01-28 CN CN201610058241.0A patent/CN105511128B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101004498A (en) * | 2006-01-18 | 2007-07-25 | 三星电子株式会社 | Liquid crystal display and method of repairing the same |
| CN101354486A (en) * | 2007-07-27 | 2009-01-28 | 中华映管股份有限公司 | Active element array substrate and method for mending perimeter circuit |
| CN101533621A (en) * | 2009-04-22 | 2009-09-16 | 上海广电光电子有限公司 | Method for restoring grid drive |
| KR20120070767A (en) * | 2010-12-22 | 2012-07-02 | 엘지디스플레이 주식회사 | Liquid crystal display device and method for driving the same |
| US9035863B2 (en) * | 2011-03-28 | 2015-05-19 | Samsung Display Co., Ltd. | Liquid crystal display data driver capable of column inversion and 3-column inversion driving method |
| CN103235459A (en) * | 2013-04-27 | 2013-08-07 | 合肥京东方光电科技有限公司 | Display substrate and lead repairing method of driver ICs (Integrated Circuits) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113474833A (en) * | 2019-03-19 | 2021-10-01 | 三星电子株式会社 | LED display panel and repair method |
| CN109949729A (en) * | 2019-04-29 | 2019-06-28 | 武汉华星光电半导体显示技术有限公司 | AMOLED panel is at box detection circuit and its method of repair data line |
| CN111710301A (en) * | 2020-07-13 | 2020-09-25 | 京东方科技集团股份有限公司 | Display panel, preparation method and repair method thereof, and display device |
| CN114068583A (en) * | 2020-08-03 | 2022-02-18 | 友达光电股份有限公司 | Pixel array substrate |
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|---|---|
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