CN104777687A - Array substrate and display device provided with same - Google Patents
Array substrate and display device provided with same Download PDFInfo
- Publication number
- CN104777687A CN104777687A CN201510212218.8A CN201510212218A CN104777687A CN 104777687 A CN104777687 A CN 104777687A CN 201510212218 A CN201510212218 A CN 201510212218A CN 104777687 A CN104777687 A CN 104777687A
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- Prior art keywords
- metal wire
- metal
- wire
- array base
- base palte
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Classifications
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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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
-
- 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13456—Cell terminals located on one side of the display only
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses an array substrate and a display device provided with the same. Metal lead wires arranged on the array substrate comprise a first metal wire and a second metal wire, wherein the second metal wire is electrically connected with the first metal wire by at least three connecting parts; the two ends of the second metal wire are respectively electrically connected with the two ends of the first metal wire by two of all the connecting parts. The array substrate disclosed by the invention is used for improving the phenomenon that a vertical light line or a horizontal light line is easily caused by adopting the existing double-layer wiring method and improving the display quality.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of array base palte, also relate to the display device with this array base palte.
Background technology
Along with the development of display technique, liquid crystal display has become display device the most common.
Fig. 1 shows the structural representation of the array base palte of liquid crystal display in prior art.As shown in Figure 1, array base palte comprises viewing area 2 and peripheral wiring region 1.Viewing area 2 comprises the sweep trace (attached not shown) and data line (attached not shown) that intersect and lay.Peripheral wiring region 1 comprises scanning lead-in wire 3 and data lead 5.Wherein, one end of scanning lead-in wire 3 connects sweep trace, and the other end connects scanning drive chip 4.One end connection data line of data lead 5, other end connection data driving chip 6.Scanning lead-in wire 3 and data lead 5 are referred to as metal lead wire.
Fig. 2 shows the cut-open view of the metal lead wire shown in Fig. 1.As shown in Figure 2, the patten's design metal lead wire of two-layer wiring is adopted.Particularly, metal lead wire comprises the first metal wire 7, first insulation course 8, second metal wire 9, second insulation course 10 and the connecting electrode 11 set gradually.Wherein, the two ends of the first metal wire 7 are electrically connected with the two ends of the second metal wire 9 accordingly respectively by two connecting electrodes 11.In other words, the first metal wire 7 and the second metal wire 9 are together in parallel by connecting electrode 11.With reference to Fig. 3, be the schematic diagram of the connecting circuit of the first metal wire 7 shown in Fig. 2 and the second metal wire 9, the size of the resistance value of metal lead wire can be expressed from the next:
Wherein, R
arepresent the resistance value of metal lead wire, L
arepresent the length of metal lead wire, R
1represent the unit length resistance of the first metal wire 7, R
2represent the unit length resistance (supposing that the first metal wire 7 is equal with the cross-sectional area of the second metal wire 9) of the second metal wire 9.Can find out, the two-layer wiring mode of prior art decreases the resistance value of metal lead wire, reduces signal delay.
The defect of above-mentioned two-layer wiring patten's design metal lead wire is adopted to be: when the first metal wire 7 or the second metal wire 9 rupture (namely whole piece metal wire not conductings of rupturing occur), only have the metal wire conducting of not rupturing, this metal wire do not ruptured just is equivalent to metal lead wire.And now, because the resistance of this metal lead wire is larger than the resistance of other metal lead wire, the display voltage inputted when module lighting is still lower, therefore easily there is the phenomenon of vertical light line or the light line of level, reduce the display quality of liquid crystal display.
Summary of the invention
Technical matters to be solved by this invention is: the two-layer wiring patten's design metal lead wire adopting prior art, when there is fracture in any metal line forming metal lead wire, because the resistance of this metal lead wire is larger than the resistance of other metal lead wire, the display voltage inputted when module lighting is still lower, therefore easily there is the phenomenon of vertical light line or the light line of level, reduce the display quality of liquid crystal display.
In order to solve the problems of the technologies described above, the invention provides a kind of array base palte and there is the display device of this array base palte.
According to an aspect of the present invention, provide a kind of array base palte, be provided with metal lead wire, described metal lead wire comprises:
First metal wire; And
Second metal wire, it is electrically connected with described first metal wire by least three connecting portions;
The two ends of described second metal wire are electrically connected with the two ends of described first metal wire respectively by two connecting portions in described at least three connecting portions.
Preferably, in described at least three connecting portions, a connecting portion is had at least to realize the electrical connection between described first metal wire and described second metal wire by connecting electrode.
Preferably, described metal lead wire also comprises the first insulation course between described first metal wire and described second metal wire, and the second insulation course be positioned at above described second metal wire, described connecting electrode, by being opened in the via hole on described first insulation course and described second insulation course respectively, realizes the electrical connection between described first metal wire and described second metal wire.
Preferably, described connecting electrode is the conductive electrode of indium tin oxide material.
Preferably, described metal lead wire also comprises the first insulation course between described first metal wire and described second metal wire; In described at least three connecting portions, a connecting portion is had at least to realize the electrical connection between described first metal wire and described second metal wire by the via hole be opened on described first insulation course.
Preferably, described metal lead wire is for transmitting scanning drive signal; Described array base palte is also provided with some sweep traces and some data lines, described first metal wire and described sweep trace are positioned at same layer, and described second metal wire and described data line bit are in same layer.
Preferably, described metal lead wire is used for transmission of data signals; Described array base palte is also provided with some sweep traces and some data lines, described first metal wire and described data line bit are in same layer, and described second metal wire and described sweep trace are positioned at same layer.
According to another aspect of the present invention, a kind of display device with above-mentioned array base palte is provided.
Preferably, described display device is liquid crystal indicator or organic light emitting display.
Compared with prior art, the one or more embodiments in such scheme can have the following advantages or beneficial effect by tool:
When the cleavage event occurred is identical, the affected wire lengths that the present invention relates to is much smaller than the affected wire lengths (i.e. the length of whole piece metal wire) adopting the bilayer of prior art laying mode to relate to.Therefore, the present invention substantially improves the phenomenon adopting the two-layer wiring patten's design metal lead wire of prior art easily to occur vertical light line or the light line of level, substantially increases display quality.
Other features and advantages of the present invention will be set forth in the following description, and partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, with embodiments of the invention jointly for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 shows the structural representation of array base palte in prior art;
Fig. 2 shows the cut-open view of the metal lead wire shown in Fig. 1;
Fig. 3 shows the schematic diagram of the connecting circuit of the first metal wire shown in Fig. 2 and the second metal wire;
Fig. 4 shows the cut-open view of the metal lead wire of embodiment of the present invention array base palte; And
Fig. 5 shows the schematic diagram of the connecting circuit of the first metal wire shown in Fig. 4 and the second metal wire.
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, to the present invention, how application technology means solve technical matters whereby, and the implementation procedure reaching technique effect can fully understand and implement according to this.It should be noted that, only otherwise form conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other, and the technical scheme formed is all within protection scope of the present invention.
Embodiment of the present invention technical matters to be solved is: the two-layer wiring patten's design metal lead wire adopting prior art, when there is fracture in any metal line forming metal lead wire, the resistance of this metal lead wire is larger than the resistance of other metal lead wire, the display voltage inputted when module lighting is still lower, therefore easily there is the phenomenon of vertical light line or the light line of level, reduce the display quality of liquid crystal display.For solving the problems of the technologies described above, embodiments provide a kind of array base palte.
As shown in Figure 4, be the cut-open view of metal lead wire of embodiment of the present invention array base palte.The array base palte of the present embodiment mainly comprises the first metal wire 7 and the second metal wire 9.Wherein, the second metal wire 9 is electrically connected with the first metal wire 7 by least three connecting portions.In addition, in all connecting portions, there are two connecting portions for the two ends correspondence of the two ends of the second metal wire 9 and the first metal wire 7 being electrically connected.
Fig. 5 shows the schematic diagram of the connecting circuit of the first metal wire 7 shown in Fig. 4 and the second metal wire 9.As shown in Figure 5, the first metal wire 7 is divided into by each connecting portion many first sub-metal wire 71, second metal wires 9 to be divided into identical number the second sub-metal wire 91 by each connecting portion.The sub-metal wire of every bar first 71 and the second sub-metal wire 91 are corresponding thereto connected in parallel.Here, two connecting portions that the two ends of metal wire 71 sub-with first are connected also connect the two ends of the second sub-metal wire 91 corresponding with this first sub-metal wire 71 simultaneously.
In the present embodiment, the first metal wire 7 and the second metal wire 9, except except the electrical connection of two ends, also have electric connection point in centre.When fracture occurs the first metal wire 7, only have the first sub-metal wire 71 comprising breaking part can not conducting, and the other parts of the first metal wire 7 can not be affected.Similarly, when fracture occurs the second metal wire 9, only have the second sub-metal wire 91 comprising breaking part can not conducting, and the other parts of the second metal wire 9 can not be affected.
Therefore, when the cleavage event occurred is identical, the affected wire lengths that the present embodiment relates to is much smaller than the affected wire lengths (i.e. the length of whole piece metal wire) adopting the bilayer of prior art laying mode to relate to.Therefore, the present embodiment substantially improves the phenomenon adopting the two-layer wiring patten's design metal lead wire of prior art easily to occur vertical light line or the light line of level, substantially increases display quality.
In the present embodiment, above-mentioned connecting portion can preferably by such as ITO (Indium Tin Oxide, tin indium oxide) electrical connection that the connecting electrode 11 of conductive electrode realizes between the first metal wire 7 and the second metal wire 9, the electrical connection between the first metal wire 7 and the second metal wire 9 also can be realized preferably by the via hole 81 on the first insulation course 8 be opened between two metal wires.
Particularly, in all connecting portions for being electrically connected the first metal wire 7 and the second metal wire 9, a connecting portion is had at least to be connecting electrode 11.Here, when being electrically connected by connecting electrode 11, also need the top of the second metal wire 9 to arrange the second insulation course 10, connecting electrode 11 is positioned on the second insulation course 10.Connecting electrode 11 passes through the via hole (in figure non-label) be opened on the first insulation course 8 and the first insulation course 10 respectively and realizes the electrical connection between the first metal wire 7 and the second metal wire 9.
In all connecting portions for being electrically connected the first metal wire 7 and the second metal wire 9, a connecting portion is had at least to be that via hole 81, second metal wire 9 be opened on the first insulation course 8 is directly electrically connected with the first metal wire 7 by via hole 81.With reference to the embodiment shown in Fig. 4 and Fig. 5, the second metal wire 9 is positioned at the top of the first metal wire 7, and the first metal wire 7 and the second metal wire 9 have six connecting portions altogether within the scope of diagram, comprising:
For being electrically connected two connecting portions at the two ends of the first metal wire 7 and the second metal wire 9, the mode preferably by connecting electrode 11 realizes electrical connection.And
For being electrically connected the first metal wire 7 and the second metal wire 9 and four connecting portions be evenly distributed between above-mentioned two connecting electrodes 11, realize electrical connection preferably by the via hole 81 be opened on the first insulation course 8.
Be understandable that, the concrete number of connecting portion does not limit by the number of the present embodiment, specifically can arrange according to the length of metal lead wire.Such as, the connecting portion of a via structure also only can be set between two ends connecting electrode 11, now, between the first metal wire 7 and the second metal wire 9, altogether only have three connecting portions.The present embodiment is only to provide a kind of optimal way, is not specifically limited.
Equally, be understandable that, the concrete structure distribution of connecting portion is not also by the restriction of the present embodiment.Such as, also can the dependency structure of via hole 81 be adopted to be connected with the connecting portion at the second metal wire 9 two ends the first metal wire 7, or the first metal wire 7 is connected by the dependency structure of connecting electrode 11 with the zone line of the second metal wire 9.The present embodiment is only to provide a kind of optimal way, is not specifically limited.
Especially, the present embodiment forms each via hole 81 by dry ecthing first insulation course 8.Because dry etching process is the usual means that those skilled in the art form via hole 81, therefore expansion explanation is not carried out to the method utilizing dry etching process to form via hole 81 in this article.
In the present invention one preferred embodiment, metal lead wire is for transmitting scanning drive signal.Especially, array base palte is also provided with some sweep traces and some data lines, the first metal wire 7 and sweep trace are positioned at same layer, the second metal wire 9 with data line bit in same layer, to reduce manufacturing process.And on array base palte, the first metal wire 7 and sweep trace can form integral structure with in a patterning processes, thus can improve the transmission quality of scanning drive signal.
In the present invention one preferred embodiment, metal lead wire is used for transmission of data signals.Especially, array base palte is also provided with some sweep traces and some data lines, the first metal wire 7 is with data line bit in same layer, and the second metal wire 9 is positioned at same layer, to reduce manufacturing process with sweep trace.And the first metal wire 7 and data line can form integral structure with in a patterning processes, thus can improve the transmission quality of data-signal.
The embodiment of the present invention additionally provides a kind of display device, can be liquid crystal indicator, organic light emitting display, TV, mobile phone, panel computer etc.This display device comprises the array base palte that above-described embodiment provides.
Because the array base palte that the display device that the embodiment of the present invention provides and above-described embodiment provide has identical technical characteristic, so also identical technical matters can be solved, reach identical technique effect.
Although embodiment disclosed in this invention is as above, the embodiment that described content just adopts for the ease of understanding the present invention, and be not used to limit the present invention.Technician in any the technical field of the invention; under the prerequisite not departing from spirit and scope disclosed in this invention; any amendment and change can be done what implement in form and in details; but protection scope of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (10)
1. an array base palte, is characterized in that, is provided with metal lead wire, and described metal lead wire comprises:
First metal wire; And
Second metal wire, it is electrically connected with described first metal wire by least three connecting portions;
The two ends of described second metal wire are electrically connected with the two ends of described first metal wire respectively by two connecting portions in described at least three connecting portions.
2. array base palte according to claim 1, is characterized in that, in described at least three connecting portions, has at least a connecting portion to realize the electrical connection between described first metal wire and described second metal wire by connecting electrode.
3. array base palte according to claim 2, it is characterized in that, described metal lead wire also comprises the first insulation course between described first metal wire and described second metal wire, and the second insulation course be positioned at above described second metal wire, described connecting electrode, by being opened in the via hole on described first insulation course and described second insulation course respectively, realizes the electrical connection between described first metal wire and described second metal wire.
4. array base palte according to claim 2, is characterized in that, described connecting electrode is the conductive electrode of indium tin oxide material.
5. array base palte according to claim 1, is characterized in that, described metal lead wire also comprises the first insulation course between described first metal wire and described second metal wire; In described at least three connecting portions, a connecting portion is had at least to realize the electrical connection between described first metal wire and described second metal wire by the via hole be opened on described first insulation course.
6. array base palte according to claim 5, is characterized in that, in described at least three connecting portions, has at least a connecting portion to realize the electrical connection between described first metal wire and described second metal wire by connecting electrode.
7. array base palte according to any one of claim 1 to 6, is characterized in that, described metal lead wire is for transmitting scanning drive signal; Described array base palte is also provided with some sweep traces and some data lines, described first metal wire and described sweep trace are positioned at same layer, and described second metal wire and described data line bit are in same layer.
8. array base palte according to any one of claim 1 to 6, is characterized in that, described metal lead wire is used for transmission of data signals; Described array base palte is also provided with some sweep traces and some data lines, described first metal wire and described data line bit are in same layer, and described second metal wire and described sweep trace are positioned at same layer.
9. a display device, is characterized in that, comprises the array base palte according to any one of claim 1 to 8.
10. display device according to claim 9, is characterized in that, described display device is liquid crystal indicator or organic light emitting display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212218.8A CN104777687B (en) | 2015-04-29 | 2015-04-29 | Array base palte and the display device with the array base palte |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510212218.8A CN104777687B (en) | 2015-04-29 | 2015-04-29 | Array base palte and the display device with the array base palte |
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| Publication Number | Publication Date |
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| CN104777687A true CN104777687A (en) | 2015-07-15 |
| CN104777687B CN104777687B (en) | 2017-12-26 |
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| CN201510212218.8A Active CN104777687B (en) | 2015-04-29 | 2015-04-29 | Array base palte and the display device with the array base palte |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693666A (en) * | 2018-07-23 | 2018-10-23 | 深圳市华星光电技术有限公司 | It is fanned out to method for repairing and mending, array substrate and the display panel of cabling |
| CN108957885A (en) * | 2018-07-20 | 2018-12-07 | 深圳市华星光电技术有限公司 | Array substrate |
| CN109100896A (en) * | 2018-10-08 | 2018-12-28 | 深圳市华星光电技术有限公司 | The vertical light line restorative procedure of array substrate, display panel and its display panel |
| CN110828487A (en) * | 2019-11-19 | 2020-02-21 | 京东方科技集团股份有限公司 | A display substrate, its manufacturing method, and a display device |
| US10861881B2 (en) | 2018-07-20 | 2020-12-08 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Array substrate |
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| WO1999049355A1 (en) * | 1998-03-25 | 1999-09-30 | Sony Corporation | Liquid crystal display device |
| KR20080029304A (en) * | 2006-09-28 | 2008-04-03 | 삼성전자주식회사 | Liquid crystal display |
| CN1573445B (en) * | 2003-06-20 | 2010-05-05 | 乐金显示有限公司 | Liquid crystal display device and method of fabricating the same |
| CN104407477A (en) * | 2014-12-02 | 2015-03-11 | 深圳市华星光电技术有限公司 | Array substrate and display devices |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO1999049355A1 (en) * | 1998-03-25 | 1999-09-30 | Sony Corporation | Liquid crystal display device |
| CN1573445B (en) * | 2003-06-20 | 2010-05-05 | 乐金显示有限公司 | Liquid crystal display device and method of fabricating the same |
| KR20080029304A (en) * | 2006-09-28 | 2008-04-03 | 삼성전자주식회사 | Liquid crystal display |
| CN104407477A (en) * | 2014-12-02 | 2015-03-11 | 深圳市华星光电技术有限公司 | Array substrate and display devices |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957885A (en) * | 2018-07-20 | 2018-12-07 | 深圳市华星光电技术有限公司 | Array substrate |
| US10861881B2 (en) | 2018-07-20 | 2020-12-08 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Array substrate |
| CN108693666A (en) * | 2018-07-23 | 2018-10-23 | 深圳市华星光电技术有限公司 | It is fanned out to method for repairing and mending, array substrate and the display panel of cabling |
| CN109100896A (en) * | 2018-10-08 | 2018-12-28 | 深圳市华星光电技术有限公司 | The vertical light line restorative procedure of array substrate, display panel and its display panel |
| CN110828487A (en) * | 2019-11-19 | 2020-02-21 | 京东方科技集团股份有限公司 | A display substrate, its manufacturing method, and a display device |
| CN110828487B (en) * | 2019-11-19 | 2022-05-20 | 京东方科技集团股份有限公司 | A display substrate, its manufacturing method, and a display device |
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|---|---|
| CN104777687B (en) | 2017-12-26 |
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