CN109410746A - Display device and its surrounding line construction - Google Patents
Display device and its surrounding line construction Download PDFInfo
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- CN109410746A CN109410746A CN201710699000.9A CN201710699000A CN109410746A CN 109410746 A CN109410746 A CN 109410746A CN 201710699000 A CN201710699000 A CN 201710699000A CN 109410746 A CN109410746 A CN 109410746A
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- conducting wire
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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Abstract
The invention discloses a kind of display device and its surrounding line construction, display device includes substrate and surrounding line construction.Surrounding line construction is located on the peripheral region of substrate, and includes common electrode layer, electrostatic protection diode, insulating layer, the first conducting wire and the second conducting wire.Common electrode layer is electrically connected the pixel unit of the viewing area of substrate, and between electrostatic protection diode and pixel unit.Insulating layer covers common electrode layer.First conducting wire is located on insulating layer, and across common electrode layer.Electrostatic protection diode and pixel unit is electrically connected in the both ends of first conducting wire.Second conducting wire is located on insulating layer, and across common electrode layer.The both ends of second the conducting wire position between electrostatic protection diode and common electrode layer and the position between pixel unit and common electrode layer respectively are electrically connected the first conducting wire and are respectively formed the first contact and the second contact.When the first conducting wire is connected with common electrode below, the second conducting wire can be used as extension wire.
Description
Technical field
The invention relates to surrounding's line constructions of a kind of display device and a kind of display device.
Background technique
In a display device, damage by static electricity (Electrostatic discharge；ESD defect) often betides display
The signal input part of device and signal end, that is, surrounding's route of non-display area.Conducting wire in display device peripheral region
It is possible that because insulating layer defective workmanship, ESD such as wound at conducting wire and common electrode (Vcom) conducting that reasons cause different layers, and
It causes partial pixel unit not show normally, causes display device that there is line defect.
Current maintenance mode is as follows: when signal input part ESD wounds a conducting wire, conducting wire and common electricity below
Pole conducting cuts the common electrodes of conducting wire two sides using laser, makes to be wounded common electrode and other portions below conducting wire
The common electrode divided separates.However, when signal input part ESD wounds two conducting wires, if using above-mentioned dimension to this two conducting wires
Repair mode, it will cause the isolation of the common electrode route in the region between this two conducting wires, influence to be located at this two conducting wires it
Between other normal wires below common electrode running.Further, since the distance of laser cutting is (at least more than common electrode
Width), the success rate of maintenance is difficult to be promoted.
Summary of the invention
A purpose of the present invention is that providing a kind of first caused by the first conducting wire is wounded because of insulating layer processing procedure defect or ESD
When conducting wire is connected with common electrode below, the second conducting wire can be used as the display device of extension wire.
According to an embodiment of the present invention, a kind of display device includes substrate and surrounding line construction.Substrate has display
Area and peripheral region.Viewing area has at least one pixel unit.Surrounding line construction is located on the peripheral region of substrate.Surrounding route
Structure includes common electrode layer, at least one electrostatic protection diode, insulating layer, the first conducting wire and at least one the second conducting wires.
Common electrode layer is electrically connected pixel unit.Common electrode layer is between electrostatic protection diode and pixel unit.Insulating layer
Cover common electrode layer.First conducting wire is located on insulating layer.First conducting wire is across common electrode layer, and the both ends of the first conducting wire are divided
It electricity Xing Lianjie not electrostatic protection diode and pixel unit.Second conducting wire is located on insulating layer.Second conducting wire is across common electrode
Layer.The both ends of second the conducting wire position between electrostatic protection diode and common electrode layer and pixel unit and common electricity respectively
Position between the layer of pole, and the both ends of the second conducting wire are electrically connected the first conducting wire and are respectively formed the first contact and connect with second
Point.
In an embodiment of the present invention, the plan view shape of above-mentioned second conducting wire is substantially u-shaped.
In an embodiment of the present invention, above-mentioned insulating layer is located at the between the first conducting wire and common electrode layer
Between two conducting wires and common electrode layer.
In an embodiment of the present invention, above-mentioned second conducting wire has the first section, the second section and third section, third
The both ends of section abut one end of the first section and one end of the second section respectively.Third section is Chong Die with common electrode layer, the
One section and the second section be not Chong Die with common electrode layer.
In an embodiment of the present invention, substantially parallel first conducting wire of the third section of above-mentioned second conducting wire.
In an embodiment of the present invention, the first section of above-mentioned second conducting wire the first conducting wire substantially vertical with the second section
With the third section of the second conducting wire.
In an embodiment of the present invention, above-mentioned insulating layer has through-hole, the common electrode in the second conductive contact through-hole
Layer, the second conducting wire tool be located between the first contact and third section there are two gap and the second contact and third section it
Between.
In an embodiment of the present invention, above-mentioned insulating layer has through-hole, the common electrode in the first conductive contact through-hole
Layer, the first conducting wire tool is located between the first contact and common electrode layer there are two gap and the second contact and common electrode layer
Between.
In an embodiment of the present invention, the width of above-mentioned first conducting wire is roughly the same with the width of the second conducting wire.
In an embodiment of the present invention, the length side of the substantially vertical common electrode layer of length direction of above-mentioned first conducting wire
To.
In an embodiment of the present invention, above-mentioned electrostatic protection diode includes two thin film transistor (TFT)s in it.
In an embodiment of the present invention, above-mentioned surrounding line construction is signal input part or the signal end of display device
End.
It is a further object of the present invention to provide a kind of surrounding line constructions, and on the peripheral region of substrate, and peripheral region encloses
Around the viewing area of substrate.
According to an embodiment of the present invention, a kind of surrounding line construction includes common electrode layer, at least one electrostatic protection
Diode, insulating layer, the first conducting wire and at least one the second conducting wires.At least one picture of common electrode layer electric connection viewing area
Plain unit.Common electrode layer is between electrostatic protection diode and pixel unit.Insulating layer covers common electrode layer.First leads
Line is located on insulating layer.First conducting wire is across common electrode layer, and electrostatic protection two is electrically connected in the both ends of the first conducting wire
Pole pipe and pixel unit.Second conducting wire is located on insulating layer.Second conducting wire is across common electrode layer.Distinguish at the both ends of second conducting wire
The position between position and pixel unit and common electrode layer between electrostatic protection diode and common electrode layer, and electrically
It connects the first conducting wire and is respectively formed the first contact and the second contact.
In above embodiment of the present invention, since around line construction has the second conducting wire across common electrode layer,
And second conducting wire both ends be electrically connected the first conducting wire and be respectively formed the first contact and the second contact, therefore ought the first conducting wire because
Insulating layer defective workmanship or ESD are wounded when the first conducting wire being caused to be connected with common electrode below, and the second conducting wire can be used as standby
Use route.For example, when the first conducting wire is connected with common electrode below, can in the first contact and common electrode layer it
Between the first conducting wire form gap, the first conducting wire between the second contact and common electrode layer forms another gap, Bian Kerang
Electric current only passes through the second conducting wire without by the first conducting wire.Similarly, when the second conducting wire because insulating layer defective workmanship or ESD are wounded
When the second conducting wire being caused to be connected with common electrode below, the first conducting wire also can be used as extension wire.
Detailed description of the invention
Fig. 1 is painted the top view of display device according to an embodiment of the present invention.
Fig. 2 is painted the partial enlarged view of the peripheral region of the display device of Fig. 1.
Fig. 3 is painted the sectional view of section 3-3 along surrounding's line construction of Fig. 2.
When the first conducting wire that Fig. 4 is painted Fig. 2 has defect, the top view in gap is formed in the first conducting wire.
Fig. 5 is painted sectional view of first conducting wire along line segment 5-5 of Fig. 4.
When the second conducting wire that Fig. 6 is painted Fig. 2 has defect, the top view in gap is formed in the second conducting wire.
Fig. 7 is painted sectional view of second conducting wire along line segment 7-7 of Fig. 6.
Fig. 8 is painted the partial enlarged view of the peripheral region of display device according to an embodiment of the present invention.
Specific embodiment
Multiple embodiments of the invention will be disclosed with attached drawing below, as clearly stated, the details in many practices
It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the present invention.Also
It is to say, in some embodiments of the present invention, the details in these practices is non-essential.In addition, for the sake of simplifying attached drawing, one
A little known usual structures will be painted in a manner of simply illustrating in the accompanying drawings with element.
Fig. 1 is painted the top view of display device 200 according to an embodiment of the present invention.Fig. 2 is painted the display device of Fig. 1
The partial enlarged view of 200 peripheral region 214.Simultaneously refering to fig. 1 with Fig. 2, display device 200 includes substrate 210 and surrounding route
Structure 100.Wherein, substrate 210 has viewing area 212 and surrounds the peripheral region 214 of viewing area 212.Viewing area 212 has at least
One pixel unit 216.Surrounding line construction 100 is located on the peripheral region 214 of substrate 210.In addition, surrounding line construction 100
It can be signal input part or signal end of the display device 200 in 212 opposite sides of viewing area.For example, surrounding route
Structure 100 may be provided at the position of peripheral region 214 (such as signal input part) on the left of Fig. 1, may also be arranged on peripheral region on the right side of Fig. 1
The position of 214a (such as signal end), is not intended to limit the invention.
Fig. 3 is painted sectional view of the surrounding's line construction 100 along line segment 3-3 of Fig. 2.Simultaneously refering to Fig. 2 and Fig. 3, circumferential wire
Line structure 100 include common electrode layer 110, at least one electrostatic protection diode 120, insulating layer 115, the first conducting wire 130 with
At least one the second conducting wires 140.Common electrode layer 110 is electrically connected pixel list to provide common electrode current potential (Vcom)
Member 216, such as be electrically connected via conducting wire 125 and conductive through hole 127.Common electrode layer 110 is located at electrostatic protection diode 120
Between pixel unit 216.Insulating layer 115 covers common electrode layer 110.First conducting wire 130 is located on insulating layer 115, so that
Insulating layer 115 is between the first conducting wire 130 and common electrode layer 110.First conducting wire 130 is across common electrode layer 110.First
Electrostatic protection diode 120 and pixel unit 216 is electrically connected in the both ends of conducting wire 130.Second conducting wire 140 is located at insulating layer
On 115, so that insulating layer 115 is between the second conducting wire 140 and common electrode layer 110.Second conducting wire 140 is across common electrode
Layer 110.The both ends of second conducting wire 140 position between electrostatic protection diode 120 and common electrode layer 110 and pixel respectively
Position between unit 216 and common electrode layer 110, and be electrically connected the first conducting wire 130 and be respectively formed the first contact P1 with
Second contact P2.Therefore, the first conducting wire 130 and the second conducting wire 140 are Parallel Design.
The plan view shape of second conducting wire 140 is substantially u-shaped.Second conducting wire 140 has the first section 142, the second section 144
With third section 146, and the both ends of third section 146 respectively abut the first section 142 one end and the second section 144 one
End, so that the whole plan view shape of the first section 142, the second section 144 and third section 146 is substantially u-shaped.In this embodiment party
In formula, substantially parallel first conducting wire 130 of third section 146 of the second conducting wire 140, the first section 142 of the second conducting wire 140 and
The third section 146 of two sections 144 substantially vertical first conducting wire 130 and the second conducting wire 140.
In addition, the third section 146 of the second conducting wire 140 is Chong Die with common electrode layer 110, and the first of the second conducting wire 140
Section 142 and the second section 144 be not Chong Die with common electrode layer 110.In the present embodiment, the first conducting wire 130 is led with second
The length direction D2 of the substantially vertical common electrode layer 110 of the length direction D1 of the third section 146 of line 140, but not to limit
The system present invention.
In the present embodiment, the width W1 of the first conducting wire 130 is roughly the same with the width W2 of the second conducting wire 140.If setting
It sets the design of the first conducting wire 130 and the second conducting wire 140 and the first conducting wire 130 is only set and the design of the second conducting wire 140 of nothing is compared,
Due to the second conducting wire 140 width in parallel and having the same with the first conducting wire 130, although resistance value halves, capacitance can become
Twice, therefore additional resistance capacitance load (Resistance-capacitance loading is not had；RC Loading)
It generates.
In the present embodiment, electrostatic protection diode 120 includes two thin film transistor (TFT)s 122 in it, and can be had not
Conducting wire 124a, 124b, 124c of same layer.These conducting wires 124a, 124b, 124c can electrically be connected each other by conductive through hole 126
It connects.
It will be understood that the element connection relationship described will not be repeated again and repeat, conjunction is first chatted bright.In the following description,
By maintenance mode when illustrating that around the experience insulating layer defective workmanship of line construction 100 or ESD are wounded.
When the first conducting wire 130 that Fig. 4 is painted Fig. 2 has defect E1, gap L 1, the vertical view of L2 are formed in the first conducting wire 130
Figure.Fig. 5 is painted sectional view of first conducting wire 130 along line segment 5-5 of Fig. 4.Simultaneously refering to Fig. 4 and Fig. 5, when the first conducting wire 130 because
When 115 defective workmanship of insulating layer or ESD are wounded (such as defect E1 of Fig. 4), insulating layer 115 may will form through-hole 116a, and
It allows the first conducting wire 130 to enter through-hole 116a and contact common electrode layer 110, the first conducting wire 130 is caused to lead with common electrode layer 110
It is logical and short-circuit.
Since around line construction 100 has the second conducting wire 140 across common electrode layer 110, and the second conducting wire 140
Both ends are electrically connected the first conducting wire 130 and are respectively formed the first contact P1 and the second contact P2, therefore when the first conducting wire 130 and its
When the common electrode layer 110 of lower section is connected, the second conducting wire 140 can be used as extension wire.In the case described above, can be existed with laser
The first conducting wire 130 cutting between first contact P1 and common electrode layer 110 forms gap L 1, in the second contact P2 and common electricity
The first conducting wire 130 cutting between pole layer 110 forms another gap L 2.In this way, in electrostatic protection diode 120 and pixel
The electric current transmitted between unit 216 just only can be via the second conducting wire 140 across common electrode layer 110, without passing through common electrode
First conducting wire 130 of 110 top of layer, that is, not by having the first conducting wire 130 of defect E1 between gap L 1, L2.
Via the above maintenance mode, common electrode layer 110 can avoid due to the generation of defect E1 to the aobvious of pixel unit 216
Show and impacts.Since the distance of laser cutting is short (need to only be greater than or equal to 130 width of the first conducting wire), the success of maintenance
Rate is promoted.
In addition, still can be used to maintenance mode to this two first conducting wires as two first 130 all defective E1 of conducting wire
130 are respectively formed gap L 1, L2, and not will cause 110 route of common electrode layer in the region between this two first conducting wires 130
Isolation.That is, 140 lower section of other normal first conducting wires 130 and the second conducting wire being located between this two first conducting wires 130
Common electrode layer 110 still can normal operation.
When the second conducting wire 140 that Fig. 6 is painted Fig. 2 has defect E2, gap L 3, the vertical view of L4 are formed in the second conducting wire 140
Figure.Fig. 7 is painted sectional view of second conducting wire 140 along line segment 7-7 of Fig. 6.Simultaneously refering to Fig. 6 and Fig. 7, when the second conducting wire 140 because
When 115 defective workmanship of insulating layer or ESD are wounded (such as defect E2 of Fig. 6), insulating layer 115 may will form through-hole 116b, and
It allows the second conducting wire 140 to enter through-hole 116b and contact common electrode layer 110, the second conducting wire 140 is caused to lead with common electrode layer 110
It is logical and short-circuit.
Since around line construction 100 has the second conducting wire 140 across common electrode layer 110, and the second conducting wire 140
Both ends are electrically connected the first conducting wire 130 and are respectively formed the first contact P1 and the second contact P2, therefore work as the second conducting wire 140 (such as
Third section 146) with below common electrode layer 110 be connected when, the first conducting wire 130 can be used as extension wire.Above-mentioned
Under situation, it can be cut with second conducting wire 140 of the laser between the first contact P1 and third section 146 and form gap L 3, the
The second conducting wire 140 cutting between two point P2 and third section 146 forms another gap L 4.In this way, in electrostatic protection
The electric current transmitted between diode 120 and pixel unit 216 just only can via the first conducting wire 130 across common electrode layer 110, and
Not by the second conducting wire 140 of 110 top of common electrode layer, that is, not by having the second of defect E2 between gap L 3, L4
Conducting wire 140.
Fig. 8 is painted the partial enlarged view of the peripheral region 214 of display device 200a according to an embodiment of the present invention.Display
Device 200a includes substrate 210 and surrounding line construction 100a.Surrounding line construction 100a includes common electrode layer 110, at least
One electrostatic protection diode 120, insulating layer 115 (see Fig. 3), the first conducting wire 130 and the second conducting wire 140,140a.With Fig. 2 reality
Apply the different place of mode to be: surrounding line construction 100a has two the second conducting wires 140,140a.In the present embodiment,
First conducting wire 130 and the second conducting wire 140,140a are across common electrode layer 110.Second conducting wire 140a has the first section
142a, the second section 144a and third section 146a, and the both ends of third section 146a abut the one of the first section 142a respectively
The one end at end and the second section 144a, so that the plan view shape of the second conducting wire 140a is substantially u-shaped.First conducting wire 130, second are led
Line 140,140a width having the same and be Parallel Design.If the first conducting wire 130 and two second conducting wires 140,140a are arranged
Design with the first conducting wire 130 is only set and the design without the second conducting wire 140 is compared, although resistance value is 1/3, capacitance can become
Three times, therefore additional resistance capacitance load (Resistance-capacitance loading is not had；RC Loading)
It generates.
However, the quantity of the second conducting wire is not intended to limit the invention.In other embodiments, surrounding line construction can
With more second conducting wires as extension wire.
Although the present invention is disclosed as above with embodiment, however, it is not to limit the invention, any fields
Technical staff, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore protection of the invention
Subject to range ought be defined depending on claim.
Claims (13)
1. a kind of display device, characterized by comprising:
Substrate has viewing area and peripheral region, wherein the viewing area has at least one pixel unit；And
Surrounding line construction, on the peripheral region of the substrate, the surrounding line construction includes:
Common electrode layer is electrically connected the pixel unit；
At least one electrostatic protection diode, wherein the common electrode layer is located at the electrostatic protection diode and the pixel
Between unit；
Insulating layer covers the common electrode layer；
First conducting wire is located on the insulating layer, and first conducting wire is across the common electrode layer, and first conducting wire
The electrostatic protection diode and the pixel unit is electrically connected in both ends；And
At least one the second conducting wires are located on the insulating layer, and second conducting wire is across the common electrode layer, and described second
The both ends of conducting wire respectively the position between the electrostatic protection diode and the common electrode layer and the pixel unit with
Position between the common electrode layer, and first conducting wire and respectively shape is electrically connected in the both ends of second conducting wire
At the first contact and the second contact.
2. display device as described in claim 1, which is characterized in that the plan view shape of second conducting wire is substantially u-shaped.
3. display device as described in claim 1, which is characterized in that the insulating layer be located at first conducting wire with it is described total
With between electrode layer, and between second conducting wire and the common electrode layer.
4. display device as described in claim 1, which is characterized in that second conducting wire has the first section, the second section
With third section, the both ends of the third section abut one end of first section and one end of second section respectively,
The third section is Chong Die with the common electrode layer, first section and second section not with the common electrode layer
Overlapping.
5. display device as claimed in claim 4, which is characterized in that the third section of second conducting wire is substantially parallel
First conducting wire.
6. display device as claimed in claim 4, which is characterized in that first section of second conducting wire and described the
The third section of two sections substantially vertical first conducting wire and second conducting wire.
7. display device as claimed in claim 4, which is characterized in that the insulating layer has through-hole, and second conducting wire connects
The common electrode layer in the through-hole is touched, the second conducting wire tool is located at first contact and institute there are two gap
It states between third section and between second contact and the third section.
8. display device as described in claim 1, which is characterized in that the insulating layer has through-hole, and first conducting wire connects
The common electrode layer in the through-hole is touched, the first conducting wire tool is located at first contact and institute there are two gap
It states between common electrode layer and between second contact and the common electrode layer.
9. display device as described in claim 1, which is characterized in that the width of first conducting wire and second conducting wire
Width is roughly the same.
10. display device as described in claim 1, which is characterized in that the substantially vertical institute of the length direction of first conducting wire
State the length direction of common electrode layer.
11. display device as described in claim 1, which is characterized in that the electrostatic protection diode is in it comprising two thin
Film transistor.
12. display device as described in claim 1, which is characterized in that the surrounding line construction is the display device
Signal input part or signal end.
13. a kind of surrounding line construction, on the peripheral region of substrate, the peripheral region surrounds the viewing area of the substrate,
It is characterized in that, the surrounding line construction includes:
Common electrode layer is electrically connected at least one pixel unit of the viewing area；
At least one electrostatic protection diode, wherein the common electrode layer is located at the electrostatic protection diode and the pixel
Between unit；
Insulating layer covers the common electrode layer；
First conducting wire is located on the insulating layer, and first conducting wire is across the common electrode layer, and first conducting wire
The electrostatic protection diode and the pixel unit is electrically connected in both ends；And
At least one the second conducting wires are located on the insulating layer, and second conducting wire is across the common electrode layer, and described second
The both ends of conducting wire respectively the position between the electrostatic protection diode and the common electrode layer and the pixel unit with
Position between the common electrode layer is simultaneously electrically connected first conducting wire and is respectively formed the first contact and the second contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699000.9A CN109410746A (en) | 2017-08-15 | 2017-08-15 | Display device and its surrounding line construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699000.9A CN109410746A (en) | 2017-08-15 | 2017-08-15 | Display device and its surrounding line construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109410746A true CN109410746A (en) | 2019-03-01 |
Family
ID=65454234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710699000.9A Pending CN109410746A (en) | 2017-08-15 | 2017-08-15 | Display device and its surrounding line construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109410746A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764148A (en) * | 2010-01-19 | 2010-06-30 | 友达光电股份有限公司 | Electroluminescent device |
| CN105140235A (en) * | 2015-07-27 | 2015-12-09 | 合肥鑫晟光电科技有限公司 | Array substrate and display device |
| CN106206746A (en) * | 2016-09-28 | 2016-12-07 | 京东方科技集团股份有限公司 | Thin film transistor (TFT), GOA circuit, display base plate and display device |
| US20170069285A1 (en) * | 2012-05-16 | 2017-03-09 | Samsung Display Co., Ltd. | Display device |
-
2017
- 2017-08-15 CN CN201710699000.9A patent/CN109410746A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101764148A (en) * | 2010-01-19 | 2010-06-30 | 友达光电股份有限公司 | Electroluminescent device |
| US20170069285A1 (en) * | 2012-05-16 | 2017-03-09 | Samsung Display Co., Ltd. | Display device |
| CN105140235A (en) * | 2015-07-27 | 2015-12-09 | 合肥鑫晟光电科技有限公司 | Array substrate and display device |
| CN106206746A (en) * | 2016-09-28 | 2016-12-07 | 京东方科技集团股份有限公司 | Thin film transistor (TFT), GOA circuit, display base plate and display device |
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Application publication date: 20190301 |
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