CN106409152A - A metal wire, a metal wire self-repairing method and a flexible display screen - Google Patents
A metal wire, a metal wire self-repairing method and a flexible display screen Download PDFInfo
- Publication number
- CN106409152A CN106409152A CN201610848653.4A CN201610848653A CN106409152A CN 106409152 A CN106409152 A CN 106409152A CN 201610848653 A CN201610848653 A CN 201610848653A CN 106409152 A CN106409152 A CN 106409152A
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- CN
- China
- Prior art keywords
- metal wire
- breaking part
- conductive material
- described metal
- selfreparing
- Prior art date
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Classifications
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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
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Abstract
The invention relates to the technical field of display and specifically provides a metal wire, a metal wire self-repairing method and a flexible display screen. Repair particles are distributed in the metal wire; each repair particle comprises a conductive outer shell and thermal expansion conductive materials placed in the conductive outer shell. When the metal wire breaks, the breaking portion of the metal wire can be heated to make the temperature at the breaking portion reach the expansion temperature of the thermal expansion conductive materials, and the thermal expansion conductive materials expand and rush out of the corresponding conductive outer shells and fill the breaking portion, so that the metal wire can be repaired by itself; breaking portions of the metal wire can be repaired by the metal wire itself without additional materials.
Description
Technical field
The application is related to display technology field and in particular to a kind of metal wire, the method for metal wire selfreparing and flexibility
Display screen.
Background technology
Flexible display screen is a kind of flexible or folding Flexible Displays screen system, the metal wire in flexible display screen,
After multiple bending, metal line portions occur different degrees of fracture, thus the display effect of display can be affected.
For the problems referred to above, the existing solution of industry is when fracture in metal wire, is coated with one over the metal lines
, in repair liquid, there is certain repairing particle in layer repair liquid；Over the metal lines plus certain voltage, repairing particle can be in breaking part
Dissociate at metal fracture in the presence of electric field, thus playing repairing effect；The method needs additionally to use repair liquid, repairs
Journey is comparatively laborious.
In consideration of it, special propose the application.
Content of the invention
The one side of the application is to provide a kind of metal wire, and this metal wire occurs in use can be certainly during fracture
Repair.
Further aspect of the application is to provide a kind of method of metal wire selfreparing, and the method can easily realize gold
Belong to the selfreparing of line.
Another aspect of the application is to provide a kind of flexible display screen, and the metal wire in this flexible display screen can achieve
Selfreparing.
The concrete technical scheme of the application is：
A kind of metal wire, is distributed with reparation particle in described metal wire, described reparation particle includes conductive enclosure and fills out
Fill the thermal expansivity conductive material in described conductive enclosure.
Preferably, described thermal expansivity conductive material be selected from expanded graphite, in organic thermal expansivity conductive material at least
A kind of.
Preferably, described thermal expansivity conductive material is expanded graphite.
Preferably, described conductive enclosure is metal shell.
Preferably, the material of described metal shell is selected from least one in Ni, Ti, Mo, Al, Ag, ITO.
Preferably, described reparation particle is nanoparticle.
Present invention also provides a kind of method of metal wire selfreparing, the method is：
Described metal wire is front arbitrary described metal wire；When fracture in described metal wire, make described metal wire
Breaking part heats up, after the temperature of described breaking part reaches the expansion temperature of described thermal expansivity conductive material, described thermal expansion
Property conductive material expands, and goes out described conductive enclosure and is filled into described breaking part, realizes reviewing one's lessons by oneself of described metal wire
Multiple.
Preferably, when double-ended break without separation in described metal wire, described metal wire is energized and/or laser is shone
Penetrate, so that the breaking part of described metal wire heats up；When rupturing completely occurs in described metal wire, laser is carried out to described metal wire
Irradiate, so that the breaking part of described metal wire heats up.
Preferably, described laser irradiates is the breaking part to described metal wire or integrally carries out laser photograph to described metal wire
Penetrate.
The application further provides for a kind of flexible display screen, containing front arbitrary described metal wire.
The technical scheme that the application provides can reach following beneficial effect：
Using the metal wire of the application and the method for metal wire selfreparing, can be need not be real in the case of additional other materials
Cash belongs to the self-healing at thread breakage；
Further, using the metal wire of the application and the method for metal wire selfreparing, metal wire can be broken
Splitting place to be positioned, directly the self-healing that can achieve metal wire being irradiated to the overall laser that carries out, thus not affecting to include
The display effect of the flexible display screen of this metal wire.
Brief description
Fig. 1 is the reparation particle structure schematic diagram of the embodiment of the present application；
Fig. 2 is the schematic diagram of the metal wire of the embodiment of the present application；
Fig. 3 is the schematic diagram of the metal wire of portion fractures of the embodiment of the present application；
Fig. 4 is that the metal wire of the portion fractures of the embodiment of the present application occurs the structural representation after selfreparing；
Fig. 5 is the schematic diagram of the metal wire of fracture completely of the embodiment of the present application；
Fig. 6 is that the metal wire of the fracture completely of the embodiment of the present application occurs the structural representation after selfreparing；
Reference,
1- repairs particle；
11- conductive enclosure；
12- expanded graphite；
2- metal wire；
21- portion fractures slight crack；
22- ruptures slight crack completely；
3- power supply.
Specific embodiment
Purpose, technical scheme and advantage for making the application are clearer, below in conjunction with the embodiment of the present application and accompanying drawing,
The technical scheme of the application is clearly and completely described it is clear that described embodiment is the application part enforcement
Example, rather than whole embodiments.The technical scheme being provided based on the application and given embodiment, those skilled in the art
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of the application protection.
A kind of metal wire 2 that the application is related to, be：Reparation particle 1 is distributed with metal wire 2, repairs particle 1 and include conduction
Property the shell 11 and thermal expansivity conductive material being filled in described conductive enclosure 11.
Ensure that metal wire 2 monolithic conductive containing conductive enclosure 11, do not affect plain conductor in normal state
Conductivity；When metal wire 2 occurs fracture, it is conductive that breaking part repairs the thermal expansivity filled in the conductive enclosure 11 of particle 1
Material, can expand when running into high temperature and go out conductive enclosure, and intumescent filler is to breaking part, and thermal expansivity conductive material
Itself there is electric conductivity, therefore can recover the conducting function of metal wire 2 after fracture filling, reach the effect of selfreparing.
As one kind improvement of the application, the conductive enclosure in the application is metal shell.
In the application, the material for metal shell is not particularly limited, for example can selected from Ni, Ti, Mo, Al,
At least one in Ag, ITO.ITO is the abbreviation of Indium Tin Oxides, i.e. indium tin oxide.
As one kind improvement of the application, the application thermal expansivity conductive material is selected from expanded graphite 12 or other has height
At least one in organic thermal expansivity conductive material of thermal coefficient of expansion.
Preferably, the application thermal expansivity conductive material is expanded graphite 12.The expansion start temperature of existing expanded graphite 12
Spend for 80 DEG C～150 DEG C, reach after this temperature can 150～300 times of moment volumetric expansion, after going out shell, intumescent filler is to fracture
Place, and expanded graphite 12 has electric conductivity in itself, therefore breaking part can recover the conduction of metal wire 2 after being inflated graphite 12 filling
Function.
Particularly, when fracture occurring during metal wire 2 uses in energising, can be significantly hotter than it in the temperature of breaking part
The temperature in its place, after temperature reaches certain value herein, expanded graphite 12 expands goes out metal shell, is filled into fracture
Place, thus play the effect of selfreparing.
Preferably, repairing the inside that particle 1 is evenly distributed in metal wire 2.
Preferably, repairing particle 1 is nanoparticle.
Metal wire 2 described herein can apply to the metal wire 2 in different field, and to metal wire 2
Metal material itself is not restricted, and can be the metal wire 2 of any metal material.
Further, metal wire 2 described herein can be the metal wire 2 being applied in flexible display screen, this metal
The material of line 2 is selected from Ni, Ti, Mo, Al, Ag, ITO etc., the material of this metal wire conductive enclosure be selected from Ni, Ti, Mo, Al,
At least one in Ag, ITO.
Typically, for the metal wire 2 of different resistance requirements, metal wire 2 diameter is different.It is applied to the gold in flexible display screen
Belong to line 2 diameter of section and should be less than 1 μm.
The application thus also provides a kind of flexible display screen, and this flexible display screen contains above-mentioned metal wire 2.
Metal wire 2 in flexible display screen only ought be placed under microscope just can be visible, when metal wire 2 ruptures
When, the display effect of display screen can occur exception.
The application further relates to a kind of method of metal wire selfreparing, and the method is particularly directed to front arbitrary metal wire addressed
2 selfreparing；When fracture in described metal wire 2, the breaking part of described metal wire 2 is made to heat up, when the temperature of described breaking part
After degree reaches the expansion temperature of described thermal expansivity conductive material, described thermal expansivity conductive material expands, and goes out described
Conductive enclosure is simultaneously filled into described breaking part, realizes the selfreparing of described metal wire 2.
Preferably, the method that described breaking part heats up is made can be so that described metal wire 2 is energized or metal wire 2 is swashed
Light irradiation.
Wherein, laser irradiates is the breaking part to described metal wire 2 or overall to described metal wire 2 carries out laser irradiation.
As a kind of performance of the method for the application metal wire selfreparing, when non-fully breaking occurs in described metal wire 2
When splitting, described metal wire 2 is energized and/or laser irradiation is carried out to metal wire 2, so that the breaking part of described metal wire 2
Heat up.
As another kind of performance of the method for the application metal wire selfreparing, when breaking completely occurs in described metal wire 2
When splitting, laser irradiation is carried out to described metal wire 2, so that the breaking part of described metal wire 2 heats up.
When metal wire 2 itself is thinner, breaking part is more hidden to be difficult to find, is being distributed with using the application aforementioned inner
During the metal wire 2 of reparation particle, outside when metal wire 2 occurs fracture, the reparation particle of only breaking part is exposed to metal wire 2,
Without the fracture position of positioning metal line 2, directly metal wire 2 can be carried out with overall laser irradiation, the reparation particle of breaking part because
It is can instantaneous high-temperature to rupture under the constraint not having metal line materials, laser irradiation condition, expanded graphite 12 expands and then fills out
It is charged to breaking part, thus playing selfreparing effect.
Below by way of specific embodiment, the technical scheme of the application is further explained：
Prepare the reparation particle 1 in below 10nm for the particle diameter generally according to solwution method, and according to different use environments, select
The expanded graphite 12 of the different initial temperature of filling, repairs particle 1 as shown in Figure 1.
Manufacture method for the metal wire 2 of flexible display screen：
The expansion start temperature of expanded graphite 12 be 80 DEG C when, mainly prepared using solwution method, that is, prepare metallic solution (or
Slurry), and repair particle 1 and be evenly distributed in this solution (or slurry), then by spin coating (spin) or blade coating (slit) system
Standby layer of metal film (being contained within equally distributed reparation particle 1), ultimately forms one after solvent is vapored away by oven drying at low temperature
Layer dry film, then dry film is performed etching, the metal line pattern required for ultimately forming.
When the expansion start temperature of expanded graphite 12 is 150 DEG C, it is possible to use evaporation or sputtering method prepare metal wire.Warp
Ultimately form one layer of dry film after crossing oven drying at low temperature, then dry film is performed etching, the metal line pattern required for ultimately forming, such as scheme
Shown in 2.
, under "on" position, portion when metal wire 2 occurs not rupture completely in flexible display screen containing this metal wire 2
Disjunction slight crack 21, as shown in Figure 3.Under the energization action of power supply 3, the temperature of breaking part can be significantly hotter than the temperature in other places
Degree, after temperature reaches certain value herein, expanded graphite 12 goes out metal shell, is filled into breaking part, thus playing selfreparing
Effect, as shown in Figure 4.
The slight crack 22 that ruptures completely occurs when metal wire 2 is in fracture completely, as shown in figure 5, to breaking part or metal wire 2
Be integrally placed at laser and irradiate under environment, the reparation particle of breaking part ruptures through instantaneous high-temperature, expanded graphite 12 can expand into
And it is filled into breaking part, thus playing selfreparing effect, as shown in Figure 6.
Although the application is with preferred embodiment disclosure as above, it is not for limiting claim, any this area skill
Art personnel, on the premise of conceiving without departing from the application, can make some possible variations and modification, therefore the application
Protection domain should be defined by the scope that the application claim is defined.
Claims (10)
1. it is characterised in that reparation particle is distributed with described metal wire, described reparation particle includes electric conductivity to a kind of metal wire
Shell and the thermal expansivity conductive material being filled in described conductive enclosure.
2. metal wire according to claim 1 it is characterised in that described thermal expansivity conductive material be selected from expanded graphite,
At least one in organic thermal expansivity conductive material.
3. metal wire according to claim 2 is it is characterised in that described thermal expansivity conductive material is expanded graphite.
4. metal wire according to claim 1 is it is characterised in that described conductive enclosure is metal shell.
5. metal wire according to claim 4 it is characterised in that described metal shell material be selected from Ni, Ti, Mo, Al,
At least one in Ag, ITO.
6. metal wire according to claim 1 is it is characterised in that described reparation particle is nanoparticle.
7. a kind of method of metal wire selfreparing it is characterised in that
Described metal wire is the arbitrary described metal wire of claim 1-6；When fracture in described metal wire, make described metal
The breaking part of line heats up, after the temperature of described breaking part reaches the expansion temperature of described thermal expansivity conductive material, described heat
Dilatancy conductive material expands, and goes out described conductive enclosure and is filled into described breaking part, realizes described metal wire
Selfreparing.
8. metal wire selfreparing according to claim 7 method it is characterised in that
When double-ended break without separation in described metal wire, described metal wire is energized and/or laser is irradiated, so that described gold
The breaking part belonging to line heats up；
When rupturing completely occurs in described metal wire, laser irradiation is carried out to described metal wire, so that the fracture of described metal wire
Heat up in place.
9. the method for metal wire selfreparing according to claim 8 is it is characterised in that it is to described gold that described laser irradiates
Belong to the breaking part of line or laser irradiation is integrally carried out to described metal wire.
10. a kind of flexible display screen is it is characterised in that arbitrary described metal wire containing with good grounds claim 1-6.
Priority Applications (1)
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| CN201610848653.4A CN106409152B (en) | 2016-09-26 | 2016-09-26 | A kind of metal wire, metal wire selfreparing method and flexible display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610848653.4A CN106409152B (en) | 2016-09-26 | 2016-09-26 | A kind of metal wire, metal wire selfreparing method and flexible display screen |
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| CN106409152A true CN106409152A (en) | 2017-02-15 |
| CN106409152B CN106409152B (en) | 2019-03-08 |
Family
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| CN107024786A (en) * | 2017-05-02 | 2017-08-08 | 京东方科技集团股份有限公司 | A kind of metal wire method for repairing crack of display base plate |
| CN107482044A (en) * | 2017-08-23 | 2017-12-15 | 京东方科技集团股份有限公司 | Color membrane substrates and OLED display for OLED display |
| CN108470831A (en) * | 2017-11-29 | 2018-08-31 | 中芯集成电路（宁波）有限公司 | Flexible compound electrode structure and its manufacturing method, flexible electronic device |
| CN108665810A (en) * | 2018-05-31 | 2018-10-16 | 昆山国显光电有限公司 | Metal wire, display screen, metal wire production method and metal wire restorative procedure |
| CN109300405A (en) * | 2018-11-30 | 2019-02-01 | 云谷（固安）科技有限公司 | A kind of display panel and device |
| CN110233169A (en) * | 2019-06-19 | 2019-09-13 | 京东方科技集团股份有限公司 | Pixel defining layer, display device, array substrate and its manufacturing method |
| CN110602874A (en) * | 2019-09-18 | 2019-12-20 | 昆山工研院新型平板显示技术中心有限公司 | Flexible circuit board, preparation method thereof and display device |
| WO2020186384A1 (en) * | 2019-03-15 | 2020-09-24 | 深圳市柔宇科技有限公司 | Wire, electronic device, and method for manufacturing wire |
| CN112327543A (en) * | 2020-11-05 | 2021-02-05 | Tcl华星光电技术有限公司 | Liquid crystal display panel, preparation method thereof and liquid crystal display device |
| CN114578595A (en) * | 2022-03-11 | 2022-06-03 | Tcl华星光电技术有限公司 | Liquid crystal display panel and display device |
| CN114783281A (en) * | 2022-02-28 | 2022-07-22 | 深圳市华星光电半导体显示技术有限公司 | Display panel and manufacturing method thereof |
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| CN107024786A (en) * | 2017-05-02 | 2017-08-08 | 京东方科技集团股份有限公司 | A kind of metal wire method for repairing crack of display base plate |
| CN107024786B (en) * | 2017-05-02 | 2021-03-23 | 京东方科技集团股份有限公司 | Metal wire crack repairing method of display substrate |
| CN107482044A (en) * | 2017-08-23 | 2017-12-15 | 京东方科技集团股份有限公司 | Color membrane substrates and OLED display for OLED display |
| CN108470831A (en) * | 2017-11-29 | 2018-08-31 | 中芯集成电路（宁波）有限公司 | Flexible compound electrode structure and its manufacturing method, flexible electronic device |
| CN108470831B (en) * | 2017-11-29 | 2021-09-17 | 中芯集成电路（宁波）有限公司 | Flexible composite electrode structure, manufacturing method thereof and flexible electronic device |
| CN108665810A (en) * | 2018-05-31 | 2018-10-16 | 昆山国显光电有限公司 | Metal wire, display screen, metal wire production method and metal wire restorative procedure |
| CN109300405A (en) * | 2018-11-30 | 2019-02-01 | 云谷（固安）科技有限公司 | A kind of display panel and device |
| WO2020186384A1 (en) * | 2019-03-15 | 2020-09-24 | 深圳市柔宇科技有限公司 | Wire, electronic device, and method for manufacturing wire |
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| CN110233169A (en) * | 2019-06-19 | 2019-09-13 | 京东方科技集团股份有限公司 | Pixel defining layer, display device, array substrate and its manufacturing method |
| CN110602874A (en) * | 2019-09-18 | 2019-12-20 | 昆山工研院新型平板显示技术中心有限公司 | Flexible circuit board, preparation method thereof and display device |
| CN112327543A (en) * | 2020-11-05 | 2021-02-05 | Tcl华星光电技术有限公司 | Liquid crystal display panel, preparation method thereof and liquid crystal display device |
| CN112327543B (en) * | 2020-11-05 | 2022-04-01 | Tcl华星光电技术有限公司 | Liquid crystal display panel, preparation method thereof and liquid crystal display device |
| CN114783281A (en) * | 2022-02-28 | 2022-07-22 | 深圳市华星光电半导体显示技术有限公司 | Display panel and manufacturing method thereof |
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| CN114578595A (en) * | 2022-03-11 | 2022-06-03 | Tcl华星光电技术有限公司 | Liquid crystal display panel and display device |
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