CN108469707A - A kind of repair system and restorative procedure of display panel - Google Patents
A kind of repair system and restorative procedure of display panel Download PDFInfo
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- CN108469707A CN108469707A CN201810164952.5A CN201810164952A CN108469707A CN 108469707 A CN108469707 A CN 108469707A CN 201810164952 A CN201810164952 A CN 201810164952A CN 108469707 A CN108469707 A CN 108469707A
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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
- G02F1/136—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
- G02F1/136259—Repairing; Defects
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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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
- G02F1/136—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
- G02F1/136259—Repairing; Defects
- G02F1/136268—Switch defects
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/861—Repairing
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Abstract
The embodiment of the invention discloses a kind of repair system of display panel and restorative procedures.Wherein, the repair system of display panel includes：First solution storage box, for storing preconfigured first metal compound solution；Reduction treatment module, for carrying out reduction treatment to first metal compound solution, and first metal compound solution Jing Guo reduction treatment is delivered to the breaking part of the metallic diaphragm of display panel, in the breaking part precipitating metal repair layer, to be connected to the metallic diaphragm of the breaking part.Technical solution provided in an embodiment of the present invention can solve the metallic diaphragm fracture restoration poor reliability of existing display panel, the high problem of technology difficulty.
Description
Technical field
The present embodiments relate to the repair systems and reparation of flat panel display technology field more particularly to a kind of display panel
Method.
Background technology
Thin film transistor (TFT) (Thin Film Transistor, TFT) array is liquid crystal display panel and organic light emitting display
The key structure of panel, therefore in the manufacturing process of display panel, tft array processing procedure is complex cumbersome, including multiple
Thin-film deposition and photoetching process form the metallic diaphragm of multilayer arrangement.In photoetching process repeatedly, metal film frequently can lead to
The case where layer is broken, for example, the open circuit of scan line, signal wire and power signal line etc..
It after photoetching process, needs to repair above-mentioned metallic diaphragm, quality problem is generated to avoid tft array, it is existing
Have and mostly uses the reparation that laser beam carries out metallic diaphragm by chemical vapour deposition technique in technology greatly.It is anti-by the chemistry of laser triggering
It should be there are two types of mechanism：First, induced chemical reaction；Second is that heat induced chemical reacts.The former is made using the higher photon of energy in laser
Gas molecule in space containing metallic element is decomposed to form metal, and to form metal layer in breaking part, the latter utilizes laser beam heat source
The thermotropic decomposition for realizing gas phase compounds, will deposit metal layer in breaking part, and TFT substrate temperature is made to increase, and accelerate deposition
Reaction.For example, by six carboxyl tungsten (W (CO)6) it is used as reaction gas, the reaction gas of metallic diaphragm breaking part is irradiated by laser beam
Body then cracks out tungsten, and deposits to breaking part.
The above-mentioned restorative procedure for metallic diaphragm broken string, technology difficulty is higher, and repairs part made of depositing and have
There is conductivity heterogeneous, will cause thermal stress when applying thermal force, leads to the poor reliability for repairing part.
Invention content
The present invention provides a kind of repair system and restorative procedure of display panel, to solve the metal film of existing display panel
Poor reliability, the high problem of technology difficulty are repaired in fault rupture.
In a first aspect, an embodiment of the present invention provides a kind of repair systems of display panel, including：
First solution storage box, for storing preconfigured first metal compound solution；
Reduction treatment module, for carrying out reduction treatment to first metal compound solution, and for that will pass through also
First metal compound solution of original place reason is delivered to the breaking part of the metallic diaphragm of display panel, in the breaking part
Precipitating metal repair layer is connected to the metallic diaphragm of the breaking part.
Second aspect, the embodiment of the present invention additionally provide a kind of restorative procedure of display panel, including：
Preconfigured first metal compound solution is subjected to reduction treatment；
First metal compound solution Jing Guo reduction treatment is delivered to the fracture of the metallic diaphragm of display panel
Place, so that first metal compound solution by reduction treatment is connected to institute in the breaking part precipitating metal repair layer
State the metallic diaphragm of breaking part.
The repair system and restorative procedure of display panel provided in an embodiment of the present invention, by reduction treatment module by first
Preconfigured first metal compound solution carries out reduction treatment in solution storage box, and by the first gold medal Jing Guo reduction treatment
Belong to the breaking part that compound solution is delivered to the metallic diaphragm of display panel, so that the first metallic compound by reduction treatment
Solution connects the metallic diaphragm of fracture, the scheme of the embodiment of the present invention can be in display surface in breaking part precipitating metal repair layer
In the tft array processing procedure of plate, the metallic diaphragms such as the data line that is broken in photoetching process are repaired in time, are solved existing aobvious
Show that the metallic diaphragm fracture restoration poor reliability of panel, the high problem of technology difficulty while cost-effective, increase display panel
The qualification rate of making.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the repair system of display panel provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the repair system of another display panel provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the repair system of another display panel provided in an embodiment of the present invention；
Fig. 4 is a kind of flow diagram of the restorative procedure of display panel provided in an embodiment of the present invention；
Fig. 5 is the flow diagram of the restorative procedure of another display panel provided in an embodiment of the present invention.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
It is mostly in the prior art chemical vapour deposition technique for the renovation technique of metallic diaphragm broken string, generally to contain tungsten
Either the chemical compound gas of chromium as reaction gas by the breaking part of tungsten or chromium deposition to the metallic diaphragms such as data line,
Metallic circuit is set to be connected again.But this renovation technique needs laser technology, renovation technique is more difficult, and is formed by tungsten or chromium
Metallic prosthetic layer have conductivity heterogeneous, cause the poor reliability of metallic prosthetic layer, repairing effect poor.
An embodiment of the present invention provides a kind of repair systems of display panel, and with reference to figure 1, Fig. 1 is that the embodiment of the present invention carries
A kind of structural schematic diagram of the repair system of the display panel supplied, the repair system of the display panel include：
First solution storage box 11, for storing preconfigured first metal compound solution；
Reduction treatment module 12, for carrying out reduction treatment to the first metal compound solution, and for reduction will to be passed through
First metal compound solution of processing is delivered to the breaking part of the metallic diaphragm of display panel, to be repaiied in breaking part precipitating metal
Cladding is connected to the metallic diaphragm of breaking part.
The prosthetic device of display panel provided in this embodiment, using redox reaction by metal from the first metal compound
It is precipitated, i.e., restores metal simple-substance from metallic compound in object solution.The essence of the redox reaction is electronics
Gain and loss, i.e. the variation of chemical valence.For example, for copper chloride CuCl2, the chemical valence of elemental copper Cu is+divalent, if will
CuCl2 carries out reduction treatment, and elemental copper Cu obtains two electronics, and elemental copper is restored from CuCl2, and it is zero to obtain chemical valence
Metallic copper.
Preconfigured first metal compound solution is the metal compound solution for setting concentration.It is restored in the present embodiment
Preconfigured first metal compound solution is carried out reduction treatment by processing module 12.Optionally, the reduction treatment can be with
Including：Electroreduction processing or reducing agent reduction treatment.The recovery scenario of the present embodiment only controls metal compound solution and exists
Reduction reaction is carried out under certain condition, simple for process, cost is relatively low.
Reduction treatment module 12 is additionally operable to the first metal compound solution Jing Guo reduction treatment being delivered to display panel
Metallic diaphragm breaking part so that the metal of precipitation can be attached to the breaking part of metallic diaphragm, be connected to the metal of breaking part
Film layer so that metallic diaphragm can continue to play the effect of signal transmission and energy transmission.
Optionally, the metallic diaphragm includes data line, scan line, power signal line, reference voltage signal line, clock letter
At least one of number line, LED control signal line and metal electrode.Display panel described in the present embodiment can be aobvious for LCD
Show panel, OLED display panel or QLED display panels etc., the structure phase not to the utmost of the metallic diaphragm in different display panels
Together, the restorative procedure of the display panel in the present embodiment can repair above-mentioned display panel all existing data line, scan line, power supply
The signal wire that the metallic diaphragms such as signal wire, clock cable are included, can also repair OLED display panel or QLED is shown
Reference voltage signal line specific to panel, the metal related with self-luminous technology such as LED control signal line and metal electrode
Film layer.
The repair system of display panel provided in an embodiment of the present invention, by reduction treatment module by the first solution storage box
Interior preconfigured first metal compound solution carries out reduction treatment, and the first metallic compound Jing Guo reduction treatment is molten
Liquid is delivered to the breaking part of the metallic diaphragm of display panel, so that the first metal compound solution by reduction treatment is being broken
Locate precipitating metal repair layer, connects the metallic diaphragm of fracture, the scheme of the embodiment of the present invention can be in the tft array of display panel
In processing procedure, the metallic diaphragm being broken in photoetching process is repaired in time, the metallic diaphragm for solving existing display panel is disconnected
Reparation poor reliability is split, the high problem of technology difficulty while cost-effective, increases the qualification rate that display panel makes.
On the basis of the above embodiments, with reference to figure 2, Fig. 2 is another display panel provided in an embodiment of the present invention
The structural schematic diagram of repair system, reduction treatment module 12 include ionisation chamber 121, the first outlet with the first solution storage box 11
Connection, for carrying out electroreduction processing to the first metal compound solution.
When the reduction treatment is that electroreduction is handled, then it is electrolyte solution to require the first metal compound solution,
And electroreduction processing needs the reaction condition being powered, and needs that ionisation chamber 121 is arranged in reduction treatment module 12.Electrolyte is molten
Liquid refers to that solute is dissolved in the solution for being dissociated into ion after solvent completely or partially.Optionally, the metal compound solution can
Think metal salt solution, such as copper sulphate CuSO4Solution and silver nitrate AgNO3Solution etc., in the present embodiment, because copper product is
Display panel common metal film material, metal compound solution is preferably copper salt solution, for CuCl2For solution, solute
For CuCl2, solvent can be water, CuCl in the present embodiment2Copper ion Cu can be will be completely dissociated out after being dissolved in water2+With chlorine from
Sub- Cl—, i.e. solute CuCl2It is with Cu in aqueous solvent2+And Cl—State existing for, so CuCl2Solution is that electrolyte is molten
Liquid.Similarly, for solute CuSO4For, existence in water is copper ion Cu2+With sulfate ion SO4 2-, so
CuSO4Solution is also electrolyte solution.
It needs that cathode and anode are added in electrolyte solution when electroreduction processing.Make electric current pass through electrolyte solution and
Cause the process of redox reaction electrolysis in cathode and anode, the essence of electrolyte solution is converting electrical energy into
Learn energy.If above-mentioned first metal compound solution is CuSO4 solution in the present embodiment, when being electrolysed the first metal compound solution,
Two electrodes of cathode and anode are added in the first metal compound solution.Before energization, Cu2+ and SO42- are freely moved in water
It is dynamic；After energization, these free-moving ions displacement under the action of electric field, positively charged Cu2+ is moved to cathode in solution
Dynamic, Cu2+ obtains electronics and reduction reaction occurs, and obtains Ni metal, and the electronegative hydroxide ion OH-in solution faces south Ghandler motion
Dynamic, OH-loses electronics and oxidation reaction occurs, and obtains oxygen O2.Because the solvent in solution is water, obtain in the energized state
A large amount of hydrogen ion H+ and hydroxide ion OH-.Then specific chemical reaction is as follows：
Anode reaction：4OH--4e-=2H2O+O2 ↑
Cathode reaction：2Cu2++4e-=2Cu
General reaction：2CuSO4+2H2O 2H2SO4+2Cu+O2↑
Similarly, Ni metal can be also generated after the cell reaction of CuCl2 solution, is suitable for the electroreduction processing side of the present embodiment
Method, because of conduction, heat conduction and mechanical performance that Ni metal is superpower so that the repair process of the metallic diaphragm in the present embodiment has
Higher reliability.Similarly, above-mentioned AgNO3 solution, can also be handled by electroreduction, obtain metal Ag, use Ag pairs of metal
Metallic diaphragm is repaired.
Ionisation chamber 121 can obtain the first metal compound solution by the first outlet of the first solution storage box 11, and
And two powered electrodes of cathode and anode are provided in ionisation chamber 121, the first metal compound solution can be carried out at electrolysis
Reason so that metal ion and hydroxide ion can discharge, and export electroreduction treated the first metal from ionisation chamber 121
Compound solution is to display panel 2.
Optionally, display panel repair system can also include：Power control module 13 is electrically connected with ionisation chamber 121, is used
The size of electrical current when controlling electroreduction processing, to control the speed of precipitating metal repair layer.
The principle of 121 electrolyte solution of ionisation chamber be make metal ion or hydroxide ion it is rapid dead electricity
Son, to generate redox reaction, by controlling the size of the electrical current on ionisation chamber 121 between cathode and anode, just
The speed that ion receiving and losing electrons can be controlled, the thickness that speed and metallic prosthetic layer to control the formation of metallic prosthetic layer are formed
Degree.
Optionally, with reference to figure 3, Fig. 3 is the structure of the repair system of another display panel provided in an embodiment of the present invention
Schematic diagram.Reduction treatment template 12 may include the second solution storage box 122, connect with the first outlet of the first solution storage box 11
Logical, for storing reducing agent solution, reducing agent solution is used to carry out reducing agent reduction treatment to the first metal compound solution.
If the reduction treatment is reducing agent reduction treatment, it is molten that reducing agent is added in the first metal compound solution
Liquid so that the metal in the first metal compound solution is reduced out.To be restored by way of adding reducing agent solution
Metallic compound may be used the repair system of display panel shown in Fig. 3, and open the second solution storage box 122 so that the
The first metal compound that reducing agent solution in two solution storage boxes 122 can be exported with 11 first outlet of the first solution storage box
Object solution mixes, and generates precipitated metal.The concentration and speed of reducing agent solution can be exported by controlling the second solution storage box 122
Degree controls the formation speed of metallic prosthetic layer to control the formation speed of precipitated metal.Optionally, first metallization
Polymer solution can be silver ammino solution, and the reducing agent can be the compound solution containing aldehyde radical, and reducing agent can be by silver-colored ammonia
Metal Ag in solution is restored, for example, the reducing agent is glucose solution, chemical equation is as follows：
C6H12O6+2[Ag(NH3)2] OH=C5H11O5COONH4+3NH3+2Ag↓+H2O
The metal Ag formed is reacted because with stronger conductive and heat conductivility, the metal film of display panel can also be formed
The metallic prosthetic layer of layer.
In this embodiment, the repair system that can both use display panel shown in Fig. 2, passes through electrolyte solution
Method precipitating metal repair layer can also use the repair system of display panel shown in Fig. 3, the method by adding reducing agent
Precipitating metal repair layer, user can select the repair system of suitable display panel according to their needs.It optionally, can will be above-mentioned
Ionisation chamber 121 and the second solution storage box 122 are arranged on the repair system of same display panel, realize above two reparation side
The compatibility of method.
Optionally, with reference to figure 2 or Fig. 3, display panel repair system can also include：Concentration adjustment module 14, with first
The first entrance of solution storage box 11 is connected to, the gold for adjusting the first metal compound solution in the first solution storage box 11
Belong to the concentration of compound.Except through reducing agent in control 121 electrical current size of ionisation chamber, the second solution storage box 122
Concentration level controls the formation speed of metallic prosthetic layer, can also pass through and control the first metallization in the first solution storage box 11
The concentration of polymer solution controls the formation speed of metallic prosthetic layer.
Optionally, concentration adjustment module 14 can also include：Third solution storage box 141, for storing concentration higher than the
Second metal compound solution of one metal compound solution；Solvent storage box 142, the solvent for storing metallic compound,
The outlet of the outlet and third solution storage box 141 of solvent storage box 142, and enter with the first of the first solution storage box 11
Mouth connection.
It is worth noting that, " the first metal compound solution " and " the second metal compound solution " described in the present embodiment
Refer to that the metal compound solution of certain concentration, the concentration of second metal compound solution are higher than the first metal compound
Object, the first metal compound solution and the second metal compound solution different, the identical solution of solvents for concentration, it is described
" first " and " second " only for distinguish concentration difference.
If desired the concentration of the first metal compound solution is turned up, then needs to control third solution storage box 141 to first
The first entrance of solution storage box 11 conveys the second metal compound solution；If desired the dense of the first metal compound solution is reduced
Degree then needs to control solvent storage box 142 to the first entrance of the first solution storage box 11 conveying solvent, and the solvent can be
Water.It can realize that the concentration to the first metal compound solution is adjusted by third solution storage box 141 and solvent storage box 142
Section.
Optionally, display panel repair system can also include：Recycling module 15, second with the first solution storage box 11
Outlet, for after gas caused by precipitating metal repair layer and precipitating metal repair layer remaining first to metallize
Polymer solution is recycled.
Recycling module 15 is used to recycle the gas of reaction solution and generation after completion metallic diaphragm reparation, example
Such as, if this system carries out electroreduction processing using CuCl2 solution, copper and chlorine are will produce, chlorine, which is one kind, more to stimulate
Hypertoxic gas need to recycle in chlorine after completing repair, for example, using chlorine be easy to compression characteristic,
Chlorine is pressed into organic solvent and is recycled.If this system carries out electroreduction processing using CuSO4 solution, will produce
Copper, sulfuric acid and oxygen, oxygen are not required to recycle, but need the sulfuric acid solution to generation and react remaining CuSO4 solution progress
Recycling.
Optionally, recycling module 15 may include：Recycling bins 151, the first entrance of recycling bins 151 are stored with the first solution
The second outlet of case 11 is connected to, for recycling the first metal compound solution in the first solution storage box 11；Cleaning
The outlet of liquid storage box 152, cleaning solution storage box 152 is connected to the second entrance of the first solution storage box 11, for first
Solution storage box 11 is cleaned；Acid solution case 153, the outlet of acid solution case 153 connect with the second entrance of recycling bins 151
It is logical, for conveying acid solution to recycling bins.
Recycling bins 151 are for recycling reaction surplus solution, when necessary, it is also necessary to recycle pernicious gas.When first
After first metal compound solution is delivered to recycling bins 151 by solution storage box 11, the first solution storage box 11 there remains portion
Divide solution remaining, needs cleaning solution storage box 152 to export cleaning agent to the first solution storage box 11 and cleaned, optionally, clearly
The cleaning agent that washing lotion storage box 152 exports can be pure water.
In some cases, there may be wild effects for the solution recycled in recycling bins 151, then can pass through acid solution case
153 are added the smaller diluted acid of concentration, to keep the chemical stability of solution in recycling bins 151.If for example, being returned in recycling bins 151
CuSO4 solution is received, CuSO4 solution generates precipitation under alkaline environment in order to prevent, then acid solution case 153 can be placed centainly
Dilute sulfuric acid, in case of need, by acid solution case 153 convey dilute sulfuric acid to recycling bins 151 in.
Optionally, the first solution storage box 11 is connected to reduction treatment module 12 by transmission pipeline 16, and passes through transmission
The first metal compound solution Jing Guo reduction treatment is delivered to the breaking part of the metallic diaphragm of display panel 2 by pipeline 16；The
Be respectively arranged at the first outlet of one solution storage box 11 and on the transmission pipeline 16 in the exit of reduction treatment module 12 to
A few solenoid valve 17.
Because it is liquid solution to be conveyed between the first solution storage box 11 and reduction treatment module 12, then pass through transfer tube
Road 16 realize liquid solution transmission, and by transmission pipeline 16 by Jing Guo reduction treatment the first metal compound solution and life
At metallic transmission to display panel 2 metallic diaphragm breaking part.
Since it is desired that the breaking part for the metallic diaphragm repaired is more small, needs to realize microcell reparation, realize higher spatial
Resolution ratio, the present embodiment use by the smaller transmission pipeline 16 of diameter that the first metallic compound after reduction treatment is molten
Liquid is delivered to the breaking part of the metallic diaphragm of display panel, and fracture is repaired, for example, when being repaired to scan line, needs
Want the diameter of transmission pipeline 16 sufficiently small so that the metal of precipitation will not the adjacent scan line of short circuit.Transmission pipeline 16 can be real
Precision height is repaired in now controllable, high-resolution reparation, highly reliable.
In order to control the reaction speed of the first metal compound solution and reducing agent, the can be controlled by solenoid valve 17
One solution storage box, 11 output liquid flow, and control ionisation chamber 121 in reduction treatment module 12, the second solution storage box 122
The fluid flow of equal babinets output, to control the speed and thickness of the formation of metallic prosthetic layer.
Optionally, with reference to figure 2 or Fig. 3, in addition to there are liquid between the first solution storage box 11 and reduction treatment module 12
The transmission of solution, there is also the defeated of liquid solution between the first solution storage box 11, concentration adjustment module 14 and recycling module 15
It send, each babinet can be interconnected by transmission pipeline 16.In addition, in order to facilitate the tune of the first metal compound solution concentration
Section, and the recycling etc. of remaining first metal compound solution is reacted, the transmission pipeline 16 between any two babinet is extremely
There are one solenoid valves 17 for few setting.
Optionally, display panel repair system can also include：Air Valve Control module 18, the electricity on controlling transmission pipeline 16
Magnet valve 17, to control the speed of metallic prosthetic layer formation.
Air Valve Control module 18 is electrically connected with each solenoid valve 17 respectively by wired or wireless mode, passes through setting
Program controls the fluid flow on each transmission pipeline 16, further saves the human cost of technique.
In conclusion the repair system of display panel provided in this embodiment, the display panel 2 that can will be repaired
It is placed on X-Y base stations 3, X-Y base stations 3 can move on the in-plane for being parallel to display panel 2, convenient for repairing for display panel
Complex system one by one repairs breaking part, and the reparation speed and metallic prosthetic of metallic diaphragm can be controlled by solenoid valve 17
The thickness of layer.And repair process does not need the conditions such as laser or heating, only need to add reducing agent, rehabilitation cost is low.
The repair system of display panel provided in this embodiment can using the good metal of the electric conductivities such as copper, silver as metallic prosthetic layer,
Repairing effect is good.
The embodiment of the present invention additionally provides a kind of restorative procedure of display panel, and with reference to figure 4, Fig. 4 is the embodiment of the present invention
A kind of flow diagram of the restorative procedure of the display panel provided, the restorative procedure of the display panel include：
S110, preconfigured first metal compound solution is subjected to reduction treatment.
The restorative procedure of display panel provided in this embodiment is the precipitation that metal is realized using redox reaction, i.e., will
Metal simple-substance is restored from metallic compound.The essence of the redox reaction is the gain and loss of electronics, i.e. chemical valence
Variation.For example, for copper chloride CuCl2For, the chemical valence of elemental copper Cu is+divalent, if by CuCl2Carry out reduction treatment, member
Plain copper Cu obtains two electronics, and elemental copper is from CuCl2In restore, obtain the metallic copper that chemical valence is zero.
Preconfigured first metal compound solution is subjected to reduction treatment in the present embodiment.Optionally, the reduction
Processing may include：Electroreduction processing or reducing agent reduction treatment.The recovery scenario of this implementation only controls metallic compound
Solution carries out reduction reaction under certain condition, and simple for process, cost is relatively low.
If reduction treatment is electroreduction processing, it is required that the first metal compound solution is electrolyte solution.Electrolyte
Solution refers to that solute is dissolved in the solution for being dissociated into ion after solvent completely or partially.Optionally, the metal compound solution
Can be metal salt solution, such as copper sulphate CuSO4Solution and silver nitrate AgNO3Solution etc., in the present embodiment, because of copper product
For display panel common metal film material, metal compound solution is preferably copper salt solution, for CuCl described above2It is molten
For liquid, solute CuCl2, solvent can be water, CuCl in the present embodiment2Can will be completely dissociated after being dissolved in water copper from
Sub- Cu2+With chlorion Cl—, i.e. solute CuCl2It is with Cu in aqueous solvent2+And Cl—State existing for, so CuCl2Solution
For electrolyte solution.Similarly, for solute CuSO4For, existence in water is copper ion Cu2+And sulfate ion
SO4 2-, so CuSO4Solution is also electrolyte solution.
It needs that cathode and anode are added in electrolyte solution when electroreduction processing.Make electric current pass through electrolyte solution and
Cause the process of redox reaction electrolysis in cathode and anode, the essence of electrolyte solution is converting electrical energy into
Energy is learned, if above-mentioned first metal compound solution is CuSO in the present embodiment4Solution, when being electrolysed the first metal compound solution,
Two electrodes of cathode and anode, before energization, Cu are added in the first metal compound solution2+And SO4 2-It freely moves in water
It is dynamic, after energization, these free-moving ions displacement under the action of electric field, positively charged Cu in solution2+It is moved to cathode
It is dynamic, Cu2+It obtains electronics and reduction reaction occurs, obtain Ni metal, the electronegative hydroxide ion OH in solution—Ghandler motion is dynamic on the sunny side,
OH—It loses electronics and oxidation reaction occurs, obtain oxygen O2.Because the solvent in solution is water, obtain in the energized state a large amount of
Hydrogen ion H+With hydroxide ion OH—.Then specific chemical reaction is as follows：
Anode reaction：4OH—-4e-=2H2O+O2 ↑
Cathode reaction：2Cu2++4e-=2Cu
General reaction：
Similarly, CuCl2Also Ni metal can be generated after solution cell reaction, be suitable for the electroreduction processing side of the present embodiment
Method, because of conduction, heat conduction and mechanical performance that Ni metal is superpower so that the repair process of the metallic diaphragm in the present embodiment has
Higher reliability.Above-mentioned AgNO3 solution, can also be handled by electroreduction, obtain metal Ag, using metal Ag to metal film
Layer is repaired.
Optionally, when reduction treatment is that electroreduction is handled, the restorative procedure of display panel further includes：Control electrolysis is also
The size of electrical current when original place is managed, to control the speed of precipitating metal repair layer.Electrical current size determines Cu2+And OH—
The speed of ion receiving and losing electrons determines to form the speed of metallic prosthetic layer to determine the speed for generating Ni metal.
If the reduction treatment is reducing agent reduction treatment, it is molten that reducing agent is added in the first metal compound solution
Liquid so that the metal in the first metal compound solution is reduced out.Optionally, the metal compound solution can be silver
The compound solutions containing aldehyde radical such as formic acid class are added in ammonia solution in silver ammino solution, by the metal Ag reduction in silver ammino solution
Out, for example, the reducing agent is glucose solution, chemical equation is as follows：
C6H12O6+2[Ag(NH3)2] OH=C5H11O5COONH4+3NH3+2Ag↓+H2O
The metal Ag formed is reacted because with stronger conductive and heat conductivility, the metal film of display panel can also be formed
The metallic prosthetic layer of layer.
S120, the first metal compound solution Jing Guo reduction treatment is delivered to display panel metallic diaphragm fracture
Place, so that the first metal compound solution by reduction treatment is connected to the gold of breaking part in breaking part precipitating metal repair layer
Belong to film layer.
The first metal compound solution Jing Guo reduction treatment is delivered to the breaking part of the metallic diaphragm of display panel, is made
The metal that must be precipitated can be attached to the breaking part of metallic diaphragm, be connected to the metallic diaphragm of breaking part, for example, repaired when needs
When metallic diaphragm is data line, then the metal being precipitated adheres in the breaking part of data line, is connected to the data line of fracture.
Optionally, the metallic diaphragm includes data line, scan line, power signal line, reference voltage signal line, clock letter
At least one of number line, LED control signal line and metal electrode.Display panel described in the present embodiment can be aobvious for LCD
Show panel, OLED display panel or QLED display panels etc., the structure phase not to the utmost of the metallic diaphragm in different display panels
Together, the restorative procedure of the display panel in the present embodiment can repair above-mentioned display panel all existing data line, scan line, power supply
The signal wire that the metallic diaphragms such as signal wire, clock cable are included, can also repair OLED display panel or QLED is shown
Reference voltage signal line specific to panel, the metal related with self-luminous technology such as LED control signal line and metal electrode
Film layer.
The restorative procedure of display panel provided in an embodiment of the present invention, by preconfigured first metal compound solution into
Row reduction treatment, and the first metal compound solution Jing Guo reduction treatment is delivered to the fracture of the metallic diaphragm of display panel
Place, so that the first metal compound solution by reduction treatment connects the metal of fracture in breaking part precipitating metal repair layer
Film layer, the scheme of the embodiment of the present invention can be in the tft array processing procedures of display panel, the number to being broken in photoetching process in time
It is repaired according to metallic diaphragms such as lines, solves the metallic diaphragm fracture restoration poor reliability of existing display panel, technology difficulty
High problem while cost-effective, increases the qualification rate that display panel makes.
It on the basis of the above embodiments, can be by transmission pipeline by the first metal compound solution Jing Guo reduction treatment
It is delivered to the breaking part of the metallic diaphragm of display panel, with reference to figure 5, Fig. 5 is another display surface provided in an embodiment of the present invention
The restorative procedure of the flow diagram of the restorative procedure of plate, the display panel includes：
S210, preconfigured first metal compound solution is subjected to reduction treatment.
S220, the gold that the first metal compound solution Jing Guo reduction treatment is delivered to display panel by transmission pipeline
The breaking part for belonging to film layer, so that the first metal compound solution by reduction treatment is in breaking part precipitating metal repair layer.
Since it is desired that the breaking part for the metallic diaphragm repaired is more small, needs to realize microcell reparation, realize higher spatial
Resolution ratio, the present embodiment, which uses, passes through the smaller transmission pipeline of diameter by the first metal compound solution after reduction treatment
It is delivered to the breaking part of the metallic diaphragm of display panel, fracture is repaired, for example, when being repaired to scan line, is needed
The diameter of transmission pipeline is sufficiently small so that the metal of precipitation will not the adjacent scan line of short circuit.Transmission pipeline can be realized controllably
, high-resolution reparation, it is high to repair precision, highly reliable.
While executing above-mentioned S220 operations, the solenoid valve on the transmission pipeline can also be controlled, described in control
The speed that metallic prosthetic layer is formed.
It is provided with controllable solenoid valve on the transmission pipeline, metal can be controlled by the on off state of control solenoid valve
The speed that repair layer is formed, for example, the speed in the first metal compound solution is added by solenoid valve control reducing agent, to
Control the speed that metallic prosthetic layer is formed.
The restorative procedure of display panel provided in this embodiment improves the reparation precision of metallic diaphragm, realizes reparation
Speed is controllable, can form the metallic prosthetic layer of different-thickness, and is not required to the reaction conditions such as laser or heating, processing procedure letter
Single, repairing effect is good, improves the yields of display panel production.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above example to this
Invention is described in further detail, but the present invention is not limited only to above example, is not departing from present inventive concept
In the case of, can also include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (16)
1. a kind of repair system of display panel, which is characterized in that including：
First solution storage box, for storing preconfigured first metal compound solution；
Reduction treatment module, for carrying out reduction treatment to first metal compound solution, and will be by reduction treatment
First metal compound solution is delivered to the breaking part of the metallic diaphragm of display panel, in the breaking part precipitating metal
Repair layer is connected to the metallic diaphragm of the breaking part.
2. the repair system of display panel according to claim 1, which is characterized in that the reduction treatment module includes：
Ionisation chamber is connected to the first outlet of the first solution storage box, for first metal compound solution into
The processing of row electroreduction.
3. the repair system of display panel according to claim 2, which is characterized in that further include：
Power control module is electrically connected with the ionisation chamber, for controlling the big of the electrical current when electroreduction is handled
It is small, the speed of the metallic prosthetic layer is precipitated with control.
4. the repair system of display panel according to claim 1, which is characterized in that the reduction treatment template includes：
Second solution storage box is connected to the first outlet of the first solution storage box, described for storing reducing agent solution
Reducing agent solution is used to carry out reducing agent reduction treatment to first metal compound solution.
5. the repair system of display panel according to claim 1, which is characterized in that further include：
Concentration adjustment module is connected to the first entrance of the first solution storage box, for adjusting the first solution storage
The concentration of the metallic compound of the first metal compound solution in case.
6. the repair system of display panel according to claim 5, which is characterized in that the concentration adjustment module is also wrapped
It includes：
Third solution storage box, it is molten higher than the second metallic compound of first metal compound solution for storing concentration
Liquid；
Solvent storage box, the solvent for storing the metallic compound, the outlet of the solvent storage box and the third are molten
The outlet of liquid storage box, and be connected to the first entrance of the first solution storage box.
7. the repair system of display panel according to claim 1, which is characterized in that further include：
Recycling module is connected to the second outlet of the first solution storage box, and being used for will be caused by precipitating metal repair layer
Remaining first metal compound solution, is recycled after gas and precipitating metal repair layer.
8. the repair system of display panel according to claim 7, which is characterized in that the recycling module includes：
Recycling bins, the first entrance of the recycling bins are connected to the second outlet of the first solution storage box, and being used for will be described
The first metal compound solution in first solution storage box is recycled；
The outlet of cleaning solution storage box, the cleaning solution storage box is connected to the second entrance of the first solution storage box, is used
It is cleaned in the first solution storage box；
The outlet of acid solution case, the acid solution case is connected to the second entrance of the recycling bins, acid molten for conveying
Liquid is to the recycling bins.
9. the repair system of display panel according to claim 1, it is characterised in that：
The first solution storage box is connected to the reduction treatment module by transmission pipeline, and will by the transmission pipeline
First metal compound solution by reduction treatment is delivered to the breaking part of the metallic diaphragm of display panel；
Distinguish at the first outlet of the first solution storage box and on the transmission pipeline in the exit of the reduction treatment module
It is provided at least one solenoid valve.
10. the repair system of display panel according to claim 9, which is characterized in that further include：Air Valve Control module,
The solenoid valve on the transmission pipeline is controlled, to control the speed that the metallic prosthetic layer is formed.
11. a kind of restorative procedure of display panel, which is characterized in that including：
Preconfigured first metal compound solution is subjected to reduction treatment；
First metal compound solution Jing Guo reduction treatment is delivered to the breaking part of the metallic diaphragm of display panel, with
First metal compound solution by reduction treatment is set to be connected to the fracture in the breaking part precipitating metal repair layer
The metallic diaphragm at place.
12. the restorative procedure of display panel according to claim 11, which is characterized in that the metallic diaphragm includes data
In line, scan line, power signal line, reference voltage signal line, clock cable, LED control signal line and metal electrode extremely
Few one kind.
13. the restorative procedure of display panel according to claim 11, which is characterized in that the reduction treatment includes：Electricity
Solve reduction treatment or reducing agent reduction treatment.
14. the restorative procedure of display panel according to claim 13, which is characterized in that include electricity in the reduction treatment
When solving reduction treatment, the method further includes：
The size of electrical current, the speed of the metallic prosthetic layer is precipitated with control when controlling electroreduction processing.
15. the restorative procedure of display panel according to claim 11, which is characterized in that the metal compound solution packet
Include metal salt solution or silver ammino solution.
16. the restorative procedure of display panel according to claim 11, which is characterized in that will be passed through also by transmission pipeline
First metal compound solution of original place reason is delivered to the breaking part of the metallic diaphragm of display panel, and the method is also wrapped
It includes：
The solenoid valve on the transmission pipeline is controlled, to control the speed that the metallic prosthetic layer is formed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810164952.5A CN108469707A (en) | 2018-02-27 | 2018-02-27 | A kind of repair system and restorative procedure of display panel |
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| CN201810164952.5A CN108469707A (en) | 2018-02-27 | 2018-02-27 | A kind of repair system and restorative procedure of display panel |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101002513A (en) * | 2004-02-25 | 2007-07-18 | 纳米墨水公司 | Micrometric direct-write methods for patterning conductive material and applications to flat panel display repair |
| CN202085397U (en) * | 2011-05-13 | 2011-12-21 | 福州瑞华印制线路板有限公司 | Structure for repairing circuit board |
| CN103676236A (en) * | 2013-12-18 | 2014-03-26 | 合肥京东方光电科技有限公司 | Method and system for repairing defective pixel and display panel |
| CN104409320A (en) * | 2014-10-27 | 2015-03-11 | 昆山国显光电有限公司 | Substrate broken line restoration method and apparatus |
-
2018
- 2018-02-27 CN CN201810164952.5A patent/CN108469707A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101002513A (en) * | 2004-02-25 | 2007-07-18 | 纳米墨水公司 | Micrometric direct-write methods for patterning conductive material and applications to flat panel display repair |
| CN202085397U (en) * | 2011-05-13 | 2011-12-21 | 福州瑞华印制线路板有限公司 | Structure for repairing circuit board |
| CN103676236A (en) * | 2013-12-18 | 2014-03-26 | 合肥京东方光电科技有限公司 | Method and system for repairing defective pixel and display panel |
| CN104409320A (en) * | 2014-10-27 | 2015-03-11 | 昆山国显光电有限公司 | Substrate broken line restoration method and apparatus |
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