CN104407477A - Array substrate and display devices - Google Patents
Array substrate and display devices Download PDFInfo
- Publication number
- CN104407477A CN104407477A CN201410719773.5A CN201410719773A CN104407477A CN 104407477 A CN104407477 A CN 104407477A CN 201410719773 A CN201410719773 A CN 201410719773A CN 104407477 A CN104407477 A CN 104407477A
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- wire
- metal wire
- shaped lead
- fan
- array base
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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
- G02F1/13452—Conductors connecting driver circuitry and terminals of panels
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
Abstract
The invention discloses an array substrate and display devices, belongs to the technical field of display and solves the technical problem of large width of a border area of the existing liquid crystal display. The array substrate is provided with sector-shaped leads. Each sector-shaped lead contains a plurality of conductors, and each conductor includes first metal wires. Partial or all the conductors include second wires. The whole second metal wires are connected with one part of the first metal wires in parallel. In the sector-shaped leads, the length of the second metal wires in the conductors at two ends of the sector-shaped leads is larger than that of the second metal wires in the conductors located in the middles of the sector-shaped leads. The array substrate can be applied to liquid crystal display televisions, liquid crystal displays, cell phones, tablet personal computers and other display devices.
Description
Technical field
The present invention relates to display technique field, specifically, relate to a kind of array base palte and display device.
Background technology
Along with the development of display technique, liquid crystal display has become display device the most common.
In a liquid crystal display, control each pixel by grid line crisscross on substrate and data line, to realize the display of image.Gate drive signal and data-signal send from the control chip liquid crystal display, usually utilizes to cover brilliant film (Chip On Film is called for short COF) and gate drive signal and data-signal are transferred to respectively grid line on substrate and data line.
Concrete, a COF is connected to grid line or the data line of viewing area (ative area) by one group of fan-shaped lead-in wire (fanout).One group of fan-shaped lead-in wire comprises many wires, because the entirety of fan-shaped lead-in wire is fan-shaped, the length being positioned at the wire at fan-shaped lead-in wire two ends can be greater than the length of the wire be positioned in the middle of fan-shaped lead-in wire, so the resistance of the resistance value ratio central conductor of two ends wire is large, the waveform serious distortion of gate drive signal or the data-signal that two ends wire transmits can be made, affect the homogeneity of drive singal.
As shown in Figure 1, in prior art, the wire of centre is mostly taked to be set to arc mode, make the wire at fan-shaped lead-in wire 30 two ends more close with the length of middle wire, then the wire at fan-shaped lead-in wire 30 two ends is also more close with the resistance of middle wire, to improve the homogeneity of drive singal.But, wire is arranged to arc, wire can be made to take larger space, increase the width d of the frame region 20 of liquid crystal display, be difficult to meet the current demand for narrow edge frame product.
Summary of the invention
The object of the present invention is to provide a kind of array base palte, with the technical matters that the width of the frame region solving existing liquid crystal display is larger.
The invention provides a kind of array base palte, described array base palte is provided with fan-shaped lead-in wire;
Described fan-shaped lead-in wire comprises many wires, and every bar wire includes the first metal wire, and part wire or all conducting also comprise the second metal wire, and the entirety of described second metal wire is in parallel with a part for described first metal wire;
In described fan-shaped lead-in wire, be arranged in the length of wire second metal wire at described fan-shaped lead-in wire two ends, be greater than the length of wire second metal wire be arranged in the middle of described fan-shaped lead-in wire.
Preferably, in described fan-shaped lead-in wire, from being positioned at the wire at described fan-shaped lead-in wire two ends to the wire be positioned in the middle of described fan-shaped lead-in wire, in wire described in each bar, the length of the second metal wire reduces gradually.
Preferably, be arranged in the wire at described fan-shaped lead-in wire two ends, the second metal wire is equal with the length of the first metal wire.
Preferably, be arranged in the wire in the middle of described fan-shaped lead-in wire, the length of the second metal wire is 0.
In one implementation, described fan-shaped lead-in wire is for transmitting gate drive signal.
Further, described array base palte is also provided with some grid lines and some data lines, described first metal wire and described grid line are positioned at same layer, and described second metal wire and described data line bit are in same layer.
In another kind of implementation, described fan-shaped lead-in wire is used for transmission of data signals.
Further, described array base palte is also provided with some grid lines and some data lines, described first metal wire and described data line bit are in same layer, and described second metal wire and described grid line are positioned at same layer.
Preferably, be electrically connected by connecting electrode between described first metal wire with described second metal wire.
The present invention also provides a kind of display device, comprises color membrane substrates and above-mentioned array base palte.
Present invention offers following beneficial effect: in array base palte provided by the invention, the wire in fan-shaped lead-in wire can be made up of the first metal wire and the second metal wire, and the length of the second metal wire is less than the first metal wire usually.The entirety of the second metal wire is in parallel with a part for the first metal wire, the resistance of wire can be reduced.Second metal wire is longer, and its part in parallel with the first metal wire is also longer, then the degree of the resistance reduction of wire is also larger.Because in technical scheme provided by the invention, be arranged in the length of wire second metal wire at fan-shaped lead-in wire two ends, be greater than the length of wire second metal wire be arranged in the middle of fan-shaped lead-in wire, so the degree that the resistance of the wire at two ends reduces is very large, and the degree that the resistance of the wire of centre reduces is very little, make the wire at two ends more close, even equal with the resistance of middle wire, to improve the homogeneity of drive singal.Further, each bar wire in the present invention all can be set to straight line, thus reduces the width of frame region, can meet the current demand for narrow edge frame product.
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
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, accompanying drawing required in describing is done simple introduction below to embodiment:
Fig. 1 is the schematic diagram of fan-shaped lead-in wire in existing array base palte;
Fig. 2 is the schematic diagram of fan-shaped lead-in wire in the array base palte that provides of the embodiment of the present invention;
Fig. 3 a to Fig. 3 c is the schematic diagram of three kinds of wires of fan-shaped lead-in wire in the array base palte that provides of the embodiment of the present invention one respectively.
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 one:
As shown in Figure 2, the embodiment of the present invention provides a kind of array base palte, comprises viewing area 10 and frame region 20.In viewing area 10, be provided with some grid lines and some data line (not shown)s, in frame region 20, be provided with fan-shaped lead-in wire 30.
One group of fan-shaped lead-in wire 30 comprises many wires, and every bar wire includes the first metal wire, and part wire or all conducting also comprise the second metal wire.The length of the second metal wire is less than or equal to the first metal wire, and the entirety of the second metal wire and a part for the first metal wire or overall in parallel, can reduce the resistance of wire.Second metal wire is longer, and its part in parallel with the first metal wire is also longer, then the degree of the resistance reduction of wire is also larger.
In one group of fan-shaped lead-in wire 30, be arranged in the length of wire second metal wire at fan-shaped lead-in wire 30 two ends, be greater than the length of wire second metal wire be arranged in the middle of fan-shaped lead-in wire 30.Therefore, the degree that the resistance being positioned at the wire at fan-shaped lead-in wire 30 two ends reduces is very large, and the degree that the resistance being positioned at the wire in the middle of fan-shaped lead-in wire 30 reduces is very little, makes the wire at two ends more close with the resistance of middle wire, even equal, improve the homogeneity of drive singal.Further, each bar wire in fan-shaped lead-in wire 30 all can be set to straight line, thus reduces the width d ＇ of frame region, can meet the current demand for narrow edge frame product.
As a preferred version, be arranged in the wire at fan-shaped lead-in wire two ends, the second metal wire is equal with the length of the first metal wire.As shown in Figure 3 a, underlay substrate (not shown) is formed the first metal wire 1, first insulation course 2, second metal wire 3, second insulation course 4 successively, be connected with the first metal wire 1 by connecting electrode 5 at the second metal wire 3 two ends, overall in parallel to realize the second metal wire 3 and the first metal wire 1, thus farthest reduce the resistance of this wire.
Meanwhile, be arranged in the wire in the middle of fan-shaped lead-in wire, the length of the second metal wire is 0 (namely not arranging the second metal wire).As shown in Figure 3 b, underlay substrate (not shown) is formed the first metal wire 1, first insulation course 2, second insulation course 4 successively, and there is no the second metal wire, make this wire keep original resistance, and length minimally.In other embodiments, the wire be arranged in the middle of fan-shaped lead-in wire also can be provided with the second shorter metal wire of length.
In Fig. 3 a, the size being positioned at the resistance Ra of the wire at fan-shaped lead-in wire two ends can be expressed from the next:
In formula, La is the length of the wire at these fan-shaped lead-in wire two ends, and R1 is the unit length resistance of the first metal wire, and R2 is the unit length resistance (supposing that the first metal wire is equal with the cross-sectional area of the second metal wire) of the second metal wire.
In Fig. 3 b, the size being positioned at the resistance Rb of the wire in the middle of fan-shaped lead-in wire can be expressed from the next:
Rb＝Lb·R1
In formula, Lb is the length of the wire in the middle of this fan-shaped lead-in wire, and R1 is the unit length resistance of the first metal wire.
By arranging the second metal wire in the wire at fan-shaped lead-in wire two ends, can make Ra=Rb, then combining above two formulas can draw:
It can thus be appreciated that in the embodiment of the present invention, the wire in the middle of fan-shaped lead-in wire is straight line, and its length is much less than the length of the wire at fan-shaped lead-in wire two ends.And in prior art, the length of the arc wire in the middle of fan-shaped lead-in wire, equals the length of the wire at fan-shaped lead-in wire two ends.Therefore the embodiment of the present invention is compared to prior art, significantly can reduce the space that wire takies, thus reduce the width of the frame region of array base palte, can meet the current demand for narrow edge frame product.
Be further, in fan-shaped lead-in wire, from being positioned at the wire at fan-shaped lead-in wire two ends to the wire be positioned in the middle of fan-shaped lead-in wire, in each bar wire, the length of the second metal wire reduces gradually, then from the two ends of fan-shaped lead-in wire to centre, the degree that the resistance of each bar wire reduces reduces gradually, thus makes the resistance of each bar wire all more close, even equal, to improve the homogeneity of drive singal.Further, each bar wire still can be set to straight line, to reduce the width of frame region.
Except the wire of fan-shaped lead-in wire two ends and centre, any wire includes the first metal wire and the second metal wire, and the length of the second metal wire is less than the length of the first metal wire.As shown in Figure 3 c, underlay substrate (not shown) is formed the first metal wire 1, first insulation course 2, second metal wire 3, second insulation course 4 successively, be connected with the first metal wire 1 by connecting electrode 5 at the second metal wire 3 two ends, in parallel with a part for the first metal wire 1 with the entirety realizing the second metal wire 3, make the resistance of each bar wire be tending towards equal.
The size of this conductive line resistance values Rc depends on specifically can be expressed from the next the length of the second metal wire:
In formula, Lc is the length of this wire, and L2 is the length of the second metal wire in this wire, and R1 is the unit length resistance of the first metal wire, and R2 is the unit length resistance of the second metal wire.
According to the condition Rc=Ra=Rb that will meet, the length that the second metal wire is suitable can be extrapolated, make the resistance of each bar wire in fan-shaped lead-in wire all equal.
In addition, the technical scheme that the embodiment of the present invention provides also can be suitable combine with prior art.Under can not increasing the prerequisite of the width of frame region too much, can the local of some wires of fan-shaped lead-in wire center section be set to arc, to increase the resistance of these wires, improve the homogeneity of drive singal.
In the above implementation of the present embodiment, be all for transmission gate drive signal fan-shaped lead-in wire be that example is described.As a preferred version, as shown in Fig. 3 a, Fig. 3 b, Fig. 3 c, the first metal wire 1 is positioned at same layer with grid line 6, and the second metal wire 3 is positioned at same layer with data line (not shown).Like this, on array base palte, connecting line 7 (being connected between fan-shaped lead-in wire and COF), the first metal wire 1, grid line 6 can form integral structure with in a patterning processes, thus improve the transmission quality of gate drive signal.
embodiment two:
The present embodiment is substantially identical with embodiment one, and its difference is, in the present embodiment, fan-shaped lead-in wire is used for transmission of data signals.Further, the first metal wire and data line bit are in same layer, and the second metal wire and grid line are positioned at same layer.
Like this, on array base palte, connecting line (being connected between fan-shaped lead-in wire and COF), the first metal wire, data line can form integral structure with in a patterning processes, thus improve the transmission quality of data-signal.
It should be noted that embodiment one and embodiment two also can be combined with each other, realize simultaneously.Namely, in an array base palte, for transmitting the fan-shaped lead-in wire of gate drive signal, arrange in the mode of embodiment one; For the fan-shaped lead-in wire of transmission of data signals, arrange in the mode of embodiment two.
embodiment three:
The embodiment of the present invention provides a kind of display device, can be LCD TV, liquid crystal display, mobile phone, panel computer etc.This display device comprises the array base palte that color membrane substrates and above-described embodiment provide.
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 scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (10)
1. an array base palte, described array base palte is provided with fan-shaped lead-in wire;
Described fan-shaped lead-in wire comprises many wires, and every bar wire includes the first metal wire, and part wire or all conducting also comprise the second metal wire, and the entirety of described second metal wire is in parallel with a part for described first metal wire;
In described fan-shaped lead-in wire, be arranged in the length of wire second metal wire at described fan-shaped lead-in wire two ends, be greater than the length of wire second metal wire be arranged in the middle of described fan-shaped lead-in wire.
2. array base palte as claimed in claim 1, is characterized in that, in described fan-shaped lead-in wire, from being positioned at the wire at described fan-shaped lead-in wire two ends to the wire be positioned in the middle of described fan-shaped lead-in wire, in wire described in each bar, the length of the second metal wire reduces gradually.
3. array base palte as claimed in claim 1, it is characterized in that, be arranged in the wire at described fan-shaped lead-in wire two ends, the second metal wire is equal with the length of the first metal wire.
4. array base palte as claimed in claim 1, is characterized in that, be arranged in the wire in the middle of described fan-shaped lead-in wire, the length of the second metal wire is 0.
5. array base palte as claimed in claim 1, it is characterized in that, described fan-shaped lead-in wire is for transmitting gate drive signal.
6. array base palte as claimed in claim 5, it is characterized in that, described array base palte is also provided with some grid lines and some data lines, described first metal wire and described grid line are positioned at same layer, and described second metal wire and described data line bit are in same layer.
7. array base palte as claimed in claim 1, is characterized in that, described fan-shaped lead-in wire is used for transmission of data signals.
8. array base palte as claimed in claim 7, it is characterized in that, described array base palte is also provided with some grid lines and some data lines, described first metal wire and described data line bit are in same layer, and described second metal wire and described grid line are positioned at same layer.
9. the array base palte as described in claim 6 or 8, is characterized in that, is electrically connected between described first metal wire with described second metal wire by connecting electrode.
10. a display device, comprises color membrane substrates and the array base palte as described in any one of claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719773.5A CN104407477A (en) | 2014-12-02 | 2014-12-02 | Array substrate and display devices |
| PCT/CN2015/070898 WO2016086519A1 (en) | 2014-12-02 | 2015-01-16 | Array substrate and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719773.5A CN104407477A (en) | 2014-12-02 | 2014-12-02 | Array substrate and display devices |
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| Publication Number | Publication Date |
|---|---|
| CN104407477A true CN104407477A (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410719773.5A Pending CN104407477A (en) | 2014-12-02 | 2014-12-02 | Array substrate and display devices |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104407477A (en) |
| WO (1) | WO2016086519A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777690A (en) * | 2015-04-27 | 2015-07-15 | 深圳市华星光电技术有限公司 | Array substrate and display device |
| CN104777687A (en) * | 2015-04-29 | 2015-07-15 | 深圳市华星光电技术有限公司 | Array substrate and display device provided with same |
| WO2016123797A1 (en) * | 2015-02-02 | 2016-08-11 | 深圳市华星光电技术有限公司 | Array substrate, liquid crystal display panel and apparatus |
| CN106019659A (en) * | 2016-07-29 | 2016-10-12 | 京东方科技集团股份有限公司 | Substrate and repairing method and manufacturing method thereof |
| CN108761933A (en) * | 2018-05-28 | 2018-11-06 | 武汉华星光电技术有限公司 | The manufacturing method of array substrate, liquid crystal display and array substrate |
| WO2020062596A1 (en) * | 2018-09-30 | 2020-04-02 | 惠科股份有限公司 | Display panel and display apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016123797A1 (en) * | 2015-02-02 | 2016-08-11 | 深圳市华星光电技术有限公司 | Array substrate, liquid crystal display panel and apparatus |
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| CN104777687A (en) * | 2015-04-29 | 2015-07-15 | 深圳市华星光电技术有限公司 | Array substrate and display device provided with same |
| CN106019659A (en) * | 2016-07-29 | 2016-10-12 | 京东方科技集团股份有限公司 | Substrate and repairing method and manufacturing method thereof |
| CN106019659B (en) * | 2016-07-29 | 2019-12-06 | 京东方科技集团股份有限公司 | substrate and repairing method and manufacturing method thereof |
| CN108761933A (en) * | 2018-05-28 | 2018-11-06 | 武汉华星光电技术有限公司 | The manufacturing method of array substrate, liquid crystal display and array substrate |
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| WO2020062596A1 (en) * | 2018-09-30 | 2020-04-02 | 惠科股份有限公司 | Display panel and display apparatus |
| US11385509B2 (en) | 2018-09-30 | 2022-07-12 | HKC Corporation Limited | Display panel and display apparatus |
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| Publication number | Publication date |
|---|---|
| WO2016086519A1 (en) | 2016-06-09 |
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Application publication date: 20150311 |