CN104777687B - Array base palte and the display device with the array base palte - Google Patents
Array base palte and the display device with the array base palte Download PDFInfo
- Publication number
- CN104777687B CN104777687B CN201510212218.8A CN201510212218A CN104777687B CN 104777687 B CN104777687 B CN 104777687B CN 201510212218 A CN201510212218 A CN 201510212218A CN 104777687 B CN104777687 B CN 104777687B
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- Prior art keywords
- metal wire
- array base
- base palte
- metal
- wire
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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
-
- H01L27/3297—
-
- 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
Abstract
The invention discloses a kind of array base palte and the display device with the array base palte, the metal lead wire being located on array base palte include the first metal wire and the second metal wire.Second metal wire is electrically connected by least three connecting portions with the first metal wire；The both ends of second metal wire are electrically connected by two in all connecting portions with the both ends of the first metal wire respectively.Present invention improves easily occurring the phenomenon of vertical light line or horizontal light line using existing two-layer wiring mode, display quality is improved.
Description
Technical field
The present invention relates to display technology field, more particularly to a kind of array base palte, further relates to aobvious with the array base palte
Showing device.
Background technology
With the development of Display Technique, liquid crystal display has become most commonly seen display device.
Fig. 1 shows the structural representation of the array base palte of liquid crystal display in the prior art.As shown in figure 1, array base
Plate includes viewing area 2 and peripheral wiring region 1.Viewing area 2 includes intersecting the scan line (not shown in accompanying drawing) laid and data wire
(not shown in accompanying drawing).Peripheral wiring region 1 includes scanning lead 3 and data lead 5.Wherein, one end connection for scanning lead 3 is swept
Retouch line, other end connection scanning drive chip 4.One end connection data wire of data lead 5, other end connection data driving chip
6.Scanning lead 3 and data lead 5 are referred to as metal lead wire.
Fig. 2 shows the sectional view of the metal lead wire shown in Fig. 1.As shown in Fig. 2 designed by the way of two-layer wiring
Metal lead wire.Specifically, metal lead wire includes setting gradually the first metal wire 7, the first insulating barrier 8, the second metal wire 9, the
Two insulating barriers 10 and connection electrode 11.Wherein, the both ends of the first metal wire 7 respectively by two connection electrodes 11 accordingly with
The both ends electrical connection of second metal wire 9.In other words, the first metal wire 7 and the second metal wire 9 are together in parallel by connection electrode 11.
Reference picture 3, is the schematic diagram of the connection circuit of the first metal wire 7 shown in Fig. 2 and the second metal wire 9, the electricity of metal lead wire
The size of resistance can be expressed from the next：
Wherein, RaRepresent the resistance value of metal lead wire, LaRepresent the length of metal lead wire, R1Represent the list of the first metal wire 7
Bit length resistance, R2Represent the unit length resistance of the second metal wire 9 (assuming that the first metal wire 7 and the second metal wire 9 is transversal
Area equation).As can be seen that the two-layer wiring mode of prior art reduces the resistance value of metal lead wire, reduce signal and prolong
Late.
The defects of designing metal lead wire using above-mentioned two-layer wiring mode is：When the first metal wire 7 or the second metal
When fracture (the whole piece metal wire being broken all is not turned on) occurs for line 9, the conducting of only unbroken metal wire, this is unbroken
Metal wire be equivalent to metal lead wire.And now, because the resistance of the other metal lead wires of the resistance ratio of the metal lead wire is big,
The display voltage inputted in module lighting is still relatively low, therefore the phenomenon of vertical light line or horizontal light line easily occurs, reduces liquid
The display quality of crystal display.
The content of the invention
The technical problems to be solved by the invention are：Metal lead wire is designed using the two-layer wiring mode of prior art, when
When any one metal line of composition metal lead wire is broken, due to the electricity of the other metal lead wires of the resistance ratio of the metal lead wire
Resistance is big, and the display voltage inputted in module lighting is still relatively low, therefore the phenomenon of vertical light line or horizontal light line, drop easily occurs
The low display quality of liquid crystal display.
In order to solve the above-mentioned technical problem, the invention provides a kind of array base palte and the display with the array base palte to fill
Put.
According to an aspect of the invention, there is provided a kind of array base palte, is provided with metal lead wire, the metal draws
Line includes：
First metal wire；And
Second metal wire, it is electrically connected by least three connecting portions with first metal wire；
The both ends of second metal wire pass through two connecting portions at least three connecting portion and described the respectively
The both ends electrical connection of one metal wire.
Preferably, at least three connecting portion, described at least one connecting portion is realized by connection electrode
Electrical connection between first metal wire and second metal wire.
Preferably, the metal lead wire also includes the between first metal wire and second metal wire
One insulating barrier, and the second insulating barrier above second metal wire, the connection electrode by being opened in institute respectively
The via on the first insulating barrier and second insulating barrier is stated, is realized between first metal wire and second metal wire
Electrical connection.
Preferably, the connection electrode is the conductive electrode of indium tin oxide material.
Preferably, the metal lead wire also includes the between first metal wire and second metal wire
One insulating barrier；In at least three connecting portion, at least one connecting portion is by being opened on first insulating barrier
Via realizes the electrical connection between first metal wire and second metal wire.
Preferably, the metal lead wire is used to transmit scanning drive signal；It is additionally provided with the array base palte some
Scan line and some data wires, first metal wire are located at same figure layer, second metal wire and institute with the scan line
Data line bit is stated in same figure layer.
Preferably, the metal lead wire is used to transmit data-signal；Some scannings are additionally provided with the array base palte
Line and some data wires, first metal wire are swept with the data line bit in same figure layer, second metal wire with described
Retouch line and be located at same figure layer.
According to another aspect of the present invention, there is provided a kind of display device with above-mentioned array base palte.
Preferably, the display device is liquid crystal display device or OLED.
Compared with prior art, one or more of such scheme embodiment can have the following advantages that or beneficial to effect
Fruit：
In the case of the cleavage event identical of generation, impacted wire lengths of the present invention are much smaller than use
The impacted wire lengths (i.e. the length of whole piece metal wire) that the double-deck laying mode of prior art is related to.Therefore, this hair
Bright substantially improve designs metal lead wire using the two-layer wiring mode of prior art and vertical light line or horizontal light line easily occurs
Phenomenon, substantially increase display quality.
Other features and advantages of the present invention will be illustrated in the following description, and partly becomes from specification
It is clear that or understood by implementing the present invention.The purpose of the present invention and other advantages can be by wanting in specification, right
Specifically noted structure is sought in book and accompanying drawing to realize and obtain.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be provided commonly for explaining the present invention, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 shows the structural representation of array base palte in the prior art；
Fig. 2 shows the sectional view of the metal lead wire shown in Fig. 1；
Fig. 3 shows the schematic diagram of the connection circuit of the first metal wire and the second metal wire shown in Fig. 2；
Fig. 4 shows the sectional view of the metal lead wire of array base palte of the embodiment of the present invention；And
Fig. 5 shows the schematic diagram of the connection circuit of the first metal wire and the second metal wire shown in Fig. 4.
Embodiment
Embodiments of the present invention are described in detail below with reference to drawings and Examples, and how the present invention is applied whereby
Technological means solves technical problem, and the implementation process for reaching technique effect can fully understand and implement according to this.Need to illustrate
As long as not forming conflict, each embodiment in the present invention and each feature in each embodiment can be combined with each other,
The technical scheme formed is within protection scope of the present invention.
Technical problem to be solved of the embodiment of the present invention is：Metal is designed using the two-layer wiring mode of prior art to draw
Line, when any one metal line for forming metal lead wire is broken, the other metal lead wires of resistance ratio of the metal lead wire
Resistance is big, and the display voltage inputted in module lighting is still relatively low, therefore the phenomenon of vertical light line or horizontal light line easily occurs,
Reduce the display quality of liquid crystal display.In order to solve the above technical problems, the embodiments of the invention provide a kind of array base palte.
As shown in figure 4, it is the sectional view of the metal lead wire of array base palte of the embodiment of the present invention.The array base palte of the present embodiment
Mainly include the first metal wire 7 and the second metal wire 9.Wherein, the second metal wire 9 passes through at least three connecting portions and the first metal
Line 7 electrically connects.In addition, in all connecting portions, there are two connecting portions to be used for the both ends of the second metal wire 9 and the first metal wire
7 both ends are correspondingly electrically connected.
Fig. 5 shows the schematic diagram of the connection circuit of the first metal wire 7 and the second metal wire 9 shown in Fig. 4.Such as Fig. 5
Shown, the first metal wire 7 is divided into a plurality of first sub- metal wire 71 by each connecting portion, and the second metal wire 9 is divided by each connecting portion
For the equal number of second sub- metal wire 91.Every first sub- metal wire 71 and the second sub- metal wire 91 corresponding thereto are in parallel
Connection.Here, also it is connected and the first sub- metal wire 71 simultaneously with two connected connecting portions of the both ends of the first sub- metal wire 71
The both ends of the second corresponding sub- metal wire 91.
In the present embodiment, the first metal wire 7 and the second metal wire 9 also have in addition to being electrically connected at both ends in centre
Be electrically connected contact.When the first metal wire 7 is broken, the only sub- metal wire 71 of first comprising breaking part can not turn on, and
The other parts of first metal wire 7 are unaffected.Similarly, when the second metal wire 9 is broken, only comprising fracture
The second sub- metal wire 91 at place can not be turned on, and the other parts of the second metal wire 9 are unaffected.
Therefore, in the case of the cleavage event identical of generation, the impacted wire lengths that the present embodiment is related to are remote
The impacted wire lengths (i.e. the length of whole piece metal wire) being related to less than the double-deck laying mode using prior art.Cause
This, the present embodiment substantially improves designs metal lead wire easily appearance vertical light line or water using the two-layer wiring mode of prior art
The phenomenon of flat line, substantially increases display quality.
In the present embodiment, above-mentioned connecting portion is preferably led by such as ITO (Indium Tin Oxide, tin indium oxide)
The connection electrode 11 of electrode realizes the electrical connection between the first metal wire 7 and the second metal wire 9, it also may be preferable for ground is by opening up
The via 81 on the first insulating barrier 8 between two metal wires realizes being electrically connected between the first metal wire 7 and the second metal wire 9
Connect.
Specifically, in all connecting portions for electrically connecting the first metal wire 7 and the second metal wire 9, at least one
Connecting portion is connection electrode 11.Here, when being electrically connected by connection electrode 11, it is also necessary to which the top of the second metal wire 9 is set
The second insulating barrier 10 is put, connection electrode 11 is located on the second insulating barrier 10.Connection electrode 11 by being opened in the first insulation respectively
Via (non-label in figure) on the insulating barrier 10 of layer 8 and first realizes being electrically connected between the first metal wire 7 and the second metal wire 9
Connect.
In all connecting portions for electrically connecting the first metal wire 7 and the second metal wire 9, at least one connecting portion is
The via 81 being opened on the first insulating barrier 8, the second metal wire 9 are directly electrically connected by via 81 with the first metal wire 7.Reference
Embodiment shown in Fig. 4 and Fig. 5, the second metal wire 9 are located at the top of the first metal wire 7, and the first metal wire 7 and the second metal
Line 9 has six connecting portions altogether in the range of diagram, including：
For two connecting portions at the both ends for electrically connecting the first metal wire 7 and the second metal wire 9, preferably by connection electricity
The mode of pole 11 realizes electrical connection.And
For electrically connecting the first metal wire 7 and the second metal wire 9 and being evenly distributed between above-mentioned two connection electrode 11
Four connecting portions, realize electrical connection preferably by the via 81 that is opened on the first insulating barrier 8.
It is understood that the specific number of connecting portion is not limited by the number of the present embodiment, can be drawn according to metal
The length of line is specifically set.For example the connecting portion of a via structure can also be only set between both ends connection electrode 11, this
When, there was only three connecting portions between the first metal wire 7 and the second metal wire 9 altogether.The present embodiment is only to provide a kind of preferred side
Formula, it is not specifically limited.
Also, it is to be understood that the concrete structure distribution of connecting portion is not also limited by the present embodiment.For example also may be used
So that the first metal wire 7 and the connecting portion at the both ends of the second metal wire 9 to be attached using the dependency structure of via 81, or by first
The intermediate region of the metal wire 9 of metal wire 7 and second is attached by the dependency structure of connection electrode 11.The present embodiment is
A kind of preferred embodiment is provided, is not specifically limited.
Especially, the present embodiment forms each via 81 by the first insulating barrier of dry ecthing 8.Because dry etching process is this
Art personnel form the usual means of via 81, therefore herein not to the method using dry etching process formation via 81
Carry out expansion explanation.
In a preferred embodiment of the invention, metal lead wire is used to transmit scanning drive signal.Especially, array base palte
On be additionally provided with some scan lines and some data wires, the first metal wire 7 is located at same figure layer, the second metal wire 9 with scan line
With data line bit in same figure layer, to reduce manufacturing process.Moreover, on array base palte, the first metal wire 7 and scan line can be with
Integral structure is formed in a patterning processes, so as to improve the transmission quality of scanning drive signal.
In a preferred embodiment of the invention, metal lead wire is used to transmit data-signal.Especially, on array base palte also
Some scan lines and some data wires are provided with, the first metal wire 7 is with data line bit in same figure layer, and the second metal wire 9 is with sweeping
Retouch line and be located at same figure layer, to reduce manufacturing process.Moreover, the first metal wire 7 and data wire can be the same as a patterning processes
Middle formation integral structure, so as to improve the transmission quality of data-signal.
The embodiment of the present invention additionally provides a kind of display device, can be liquid crystal display device, OLED, electricity
Depending on, mobile phone, tablet personal computer etc..The display device includes the array base palte that above-described embodiment provides.
Because the array base palte that display device provided in an embodiment of the present invention provides with above-described embodiment has identical skill
Art feature, so can also solve identical technical problem, reach identical technique effect.
While it is disclosed that embodiment as above, but described content only to facilitate understand the present invention and adopt
Embodiment, it is not limited to the present invention.Any those skilled in the art to which this invention pertains, this is not being departed from
On the premise of the disclosed spirit and scope of invention, any modification and change can be made in the implementing form and in details,
But protection scope of the present invention, still it should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of array base palte, it is characterised in that be provided with metal lead wire, the metal lead wire includes：
First metal wire；And
Second metal wire, it is electrically connected by least three connecting portions with first metal wire；
The both ends of second metal wire pass through two connecting portions at least three connecting portion and first gold medal respectively
Belong to the both ends electrical connection of line；
Wherein, first metal wire is divided into a plurality of first sub- metal wire by each connecting portion, and second metal wire is by each company
Socket part is divided into the equal number of second sub- metal wire, and two connecting portions being connected with the both ends of the first sub- metal wire are simultaneously
The both ends of the connection second sub- metal wire corresponding with the first sub- metal wire.
2. array base palte according to claim 1, it is characterised in that at least three connecting portion, at least one
Individual connecting portion realizes the electrical connection between first metal wire and second metal wire by connection electrode.
3. array base palte according to claim 2, it is characterised in that the metal lead wire also includes being located at first gold medal
Belong to the first insulating barrier between line and second metal wire, and the second insulating barrier above second metal wire,
The connection electrode realizes described first by the via being opened in respectively on first insulating barrier and second insulating barrier
Electrical connection between metal wire and second metal wire.
4. array base palte according to claim 2, it is characterised in that the connection electrode is the conduction of indium tin oxide material
Electrode.
5. array base palte according to claim 1, it is characterised in that the metal lead wire also includes being located at first gold medal
Belong to the first insulating barrier between line and second metal wire；In at least three connecting portion, at least one connecting portion
Being electrically connected between first metal wire and second metal wire is realized by the via being opened on first insulating barrier
Connect.
6. array base palte according to claim 5, it is characterised in that at least three connecting portion, at least one
Individual connecting portion realizes the electrical connection between first metal wire and second metal wire by connection electrode.
7. array base palte according to any one of claim 1 to 6, it is characterised in that the metal lead wire is used to transmit
Scanning drive signal；Some scan lines and some data wires, first metal wire and institute are additionally provided with the array base palte
State scan line and be located at same figure layer, second metal wire is with the data line bit in same figure layer.
8. array base palte according to any one of claim 1 to 6, it is characterised in that the metal lead wire is used to transmit
Data-signal；Some scan lines and some data wires, first metal wire and the number are additionally provided with the array base palte
It is located at same figure layer according to line, second metal wire is located at same figure layer with the scan line.
9. a kind of display device, it is characterised in that including the array base palte as any one of claim 1 to 8.
10. display device according to claim 9, it is characterised in that the display device be liquid crystal display device or
OLED.
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 CN104777687A (en) | 2015-07-15 |
| CN104777687B true 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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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10861881B2 (en) | 2018-07-20 | 2020-12-08 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Array substrate |
| CN108957885A (en) * | 2018-07-20 | 2018-12-07 | 深圳市华星光电技术有限公司 | 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 |
| CN110828487B (en) * | 2019-11-19 | 2022-05-20 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4232227B2 (en) * | 1998-03-25 | 2009-03-04 | ソニー株式会社 | Display device |
| KR100538328B1 (en) * | 2003-06-20 | 2005-12-22 | 엘지.필립스 엘시디 주식회사 | Liquid Crystal Display Device And Fabricating Method Thereof |
| 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 |
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