CN100369261C - Organic luminous panel having silver alloy - Google Patents
Organic luminous panel having silver alloy Download PDFInfo
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- CN100369261C CN100369261C CNB021602670A CN02160267A CN100369261C CN 100369261 C CN100369261 C CN 100369261C CN B021602670 A CNB021602670 A CN B021602670A CN 02160267 A CN02160267 A CN 02160267A CN 100369261 C CN100369261 C CN 100369261C
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- organic luminous
- luminous panel
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- silver alloy
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Abstract
The present invention relates to an organic luminous panel with silver alloy, which comprises a base board, a plurality of first electrodes, a plurality of second electrodes, a plurality of auxiliary electrodes containing silver alloy, a plurality of conductive wires containing silver alloy, a plurality of blocking layers and an organic luminous function layer, wherein the first electrodes are arranged on the base board in parallel, the auxiliary electrodes are arranged on the first electrodes or the base board in parallel, the blocking layers are protruded out of the base board comprising the first electrodes, the organic luminous function layer is deposited on the first electrodes, the second electrodes are formed on the organic luminous function layer, and the silver alloy of the auxiliary electrodes and the silver alloy of the conductive wires contain the silver of which the mole percentages are from 80 to 99.8, the copper of which the mole percentages are from 0.1 to 10, and at least one kind of transitional metal of which the mole percentages are from 0.1 to 10, wherein the transitional metal is selected from the group composed of palladium, magnesium, gold and platinum, and the total mole percentages of the alloy are 100.
Description
Technical field
The present invention relates to a kind of use silver alloy in auxiliary electrode and lead to reduce the resistance and the consumed power of luminescent panel, especially refer to a kind of silver alloy auxiliary electrode and silver alloy lead that is applicable to organic luminous panel.
Background technology
Organic luminous panel is the element that a kind of self luminous characteristic of utilizing organic functional material (organic functional materials) reaches display effect, can be divided into micromolecule organic illuminating element (small molecule OLED according to the molecular weight difference of organic functional material, SM-OLED) with macromolecule organic illuminating element (polymer light-emitting device, PLED) two big classes.
Present semiconductor or flat display apparatus use the material of chromium metal as lead or auxiliary electrode line more.But because the resistance height of chromium metal, and the power consumption height, so the researcher is seeking to utilize the material of the lower metal of resistance as wafer lead or auxiliary electrode line always.Proposal was once arranged in the past with the material of silver as lead, but because no moderately stable etching solution constituent, and silver is not good to the resistance of atmosphere such as sulphur, ammonia, chlorine and oxygen, so utilization is not widely arranged.
Particularly when silver was exposed to the atmosphere of sulfur-bearing thing, the surface that silver is exposed can produce silver sulfide with reaction of Salmon-Saxl, and its surface can blackening.On the other hand, when silver contacts with ammonia, also can produce silver-colored ammonia misfit thing and the careful silver surface of script is fogged; And these reactions also can continue the diffusion of growing up, and the surface nature of silver is destroyed.Therefore with the material of fine silver as lead or auxiliary electrode line.
On the other hand, proposal is also arranged with the commonly used aluminium of semiconductor or copper material as lead or auxiliary electrode line.Yet because aluminium or copper often are accompanied by migration (migration) as the material of lead or auxiliary electrode line, protrusion of surface (hillock) and the problem of corroding are with the also non-suitable lead or the material of auxiliary electrode line.Also the someone proposes IZO alloy and molybdenum and is used as lead or the material of auxiliary electrode line, yet the relevant issues that Costco Wholesale and processing procedure are simplified still make this technology not be widely used in flat display apparatus as yet.Therefore industry is needed badly and is wanted the good lead of a kind of low resistance, easily heat radiation, tack or the material of auxiliary electrode line, with in response to flat display apparatus or semi-conductive needs.
Summary of the invention
Main purpose of the present invention is to provide a kind of organic luminous panel with silver alloy, with the resistance of reduction organic luminous panel auxiliary electrode or lead, and improves tack.
Another object of the present invention is to provide a kind of organic luminous panel, with the auxiliary electrode that can reduce organic luminous panel or the power consumption of lead with silver alloy.
For achieving the above object, organic luminous panel provided by the invention comprises:
-substrate;
A plurality of first electrodes;
A plurality of second electrodes;
A plurality of leads that contain silver alloy; And
A plurality of organic light emitting function layer;
Wherein these a plurality of first electrodes are parallel on this substrate;
This organic light emitting function layer is formed on first electrode;
This second electrode is formed on the organic light emitting function layer;
These a plurality of leads that contain silver alloy are connected with first electrode or second electrode; And
Silver alloy in this lead includes:
The silver of 80 to 99.8 molar percentages;
0.1 copper to 10 molar percentages; And
0.1 at least a transition metal of 10 molar percentages, wherein this transition metal is selected from the cohort of being made up of palladium, magnesium, gold and platinum, and the total molar percentage of the silver alloy in this lead is 100.
Wherein also comprise a plurality of auxiliary electrodes that contain silver alloy.
Wherein these a plurality of auxiliary electrodes are parallel on this first electrode or this substrate.
Wherein the silver alloy in this auxiliary electrode includes:
The silver of 80 to 99.8 molar percentages;
0.1 copper to 10 molar percentages; And
0.1 at least a transition metal of 10 molar percentages, wherein this transition metal is selected from the cohort of being made up of palladium, magnesium, gold and platinum, and total molar percentage of the silver alloy in this auxiliary electrode is 100.
Wherein also comprise a plurality of barrier layers.
Wherein this barrier layer protrudes in this first electrode.
Also comprise a pixel defining layer that is positioned on first electrode.
Wherein the material of pixel defining layer is pi (polyimide).
Wherein this silver alloy also comprises at least one adhesive force improver, and wherein this adhesive force improver is titanium, aluminium, nickel cobalt or chromium.
Wherein this adhesive force improver content is 0.01 to 5 molar percentage.
Wherein this barrier layer is for being parallel to each other.
Wherein these a plurality of second electrodes are in projection on the substrate and the projection vertical interlaced of these a plurality of first electrodes on substrate.
Wherein this substrate be selected from glass substrate, plastic substrate and flexible base, board one of them.
Wherein the material of this plastic substrate and flexible base, board is selected from Merlon (polycarbonate, PC), polyester (polyester, PET), cyclenes copolymer (cyclic olefin copolymer, COC), crome metal compound base material-cyclenes copolymer (metallocene-based cyclic olefin copolymer, mCOC) and slim glass (Thin Glass) at least one of them.
Wherein this organic light emitting function layer is a single layer structure or sandwich construction.
Wherein the organic light emitting function layer of this sandwich construction comprises a hole injection layer, a hole transport layer, an organic luminous layer, an electron transfer layer and an electron injecting layer.
Description of drawings
Fig. 1 has the half-finished schematic diagram of organic luminous panel of silver alloy auxiliary electrode for the present invention;
Fig. 2 has half-finished another schematic diagram of organic luminous panel of silver alloy auxiliary electrode for the present invention;
Fig. 3 has the half-finished profile of organic luminous panel of silver alloy auxiliary electrode for the present invention; And
Fig. 4 has the schematic diagram of the organic luminous panel of silver alloy lead for the present invention.
Embodiment
For more understanding technology contents of the present invention, be described as follows especially exemplified by organic luminous panel preferred embodiment with silver alloy.
Please refer to Fig. 2,3, organic luminous panel of the present invention comprises a substrate 110; A plurality of first electrodes 130; A plurality of second electrodes 170; A plurality of auxiliary electrodes 120 that contain silver alloy; A plurality of barrier layers 150; An and organic light emitting function layer 160; Wherein these a plurality of first electrodes 130 are parallel on this substrate 110; These a plurality of auxiliary electrodes 120 are parallel on this first electrode 130 or this substrate 110; This barrier layer 150 protrudes in the substrate 110 that contains first electrode 130; This organic light emitting function layer 160 is deposited on first electrode 130; This second electrode 170 is formed on the organic light emitting function layer 160; And these auxiliary electrode 120 silver alloy include: the silver of 80 to 99.8 molar percentages; 0.1 copper to 10 molar percentages; And at least a transition metal of 0.1 to 10 molar percentage, wherein this transition metal is selected from the cohort of being made up of palladium, magnesium, gold and platinum, and total molar percentage of this alloy is 100.
As shown in Figure 4, a plurality of leads that contain silver alloy are connected with first electrode 130 or second electrode 170, and the lead silver alloy also includes: the silver of 80 to 99.8 molar percentages; 0.1 copper to 10 molar percentages; And at least a transition metal of 0.1 to 10 molar percentage, wherein this transition metal is selected from the cohort of being made up of palladium, magnesium, gold and platinum, and total molar percentage of this alloy is 100.
Silver alloy of the present invention can optionally also comprise at least one adhesive force improver to improve the adhesive force that this silver alloy is formed at substrate.Wherein this adhesive force improver can be titanium, aluminium, nickel, cobalt or the chromium of 0.01 to 5 molar percentage.The substrate of organic luminous panel of the present invention can be any transparency carrier commonly used, for example a glass substrate, a plastic cement (plastic) substrate or a flexibility (flexible) substrate; Wherein, plastic substrate and flexible base, board can be a Merlon (polycarbonate, PC) substrate, a polyester (polyester, PET) substrate, a cyclenes copolymer (cyclic olefin copolymer, COC) substrate, a crome metal compound base material-cyclenes copolymer (metallocene-based cyclic olefincopolymer, mCOC) substrate or a slim glass (Thin Glass) substrate.The material of first electrode (anode) can be any electrode material commonly used, is preferably InSnO
3, SnO
2, doping ZnO In
2O
3, CdSnO or antimony.The material of second electrode (negative electrode) can be any electrode material commonly used, is preferably MgAg, aluminium, diamond, class diamond or calcium.The organic light emitting function layer of organic luminous panel of the present invention can be for single layer structure or optionally is the structure of multilayer.This multilayer organic light emitting function layer can be optionally has hole injection layer, hole transmission layer, organic luminous layer, electron transfer layer or electron injecting layer.The number or the shape of first electrode of the present invention and second electrode are unrestricted, and being preferably this first electrode (anode) is a plurality of strip shaped electric poles, and this second electrode (negative electrode) is a plurality of strip shaped electric poles; Organic luminous panel of the present invention can also comprise a plurality of barrier layers, and wherein this barrier layer is positioned on the surface of the substrate of this viewing area or this first electrode, and this barrier layer is between this adjacent second electrode.The barrier layer of organic luminous panel of the present invention is arranged unrestricted, is preferably between barrier layer to be parallel to each other.First electrode of organic luminous panel of the present invention, second electrode projection interlace mode on substrate is unrestricted, is preferably these a plurality of second electrodes in projection on the substrate and the projection vertical interlaced of these a plurality of first electrodes on substrate.Organic luminous panel of the present invention can form a pixel defining layer in going up of first electrode or auxiliary electrode optionally before barrier layer forms.
Organic luminous panel of the present invention is compared under same brightness situation with the organic luminous panel of chromium as the same structure of auxiliary electrode with commonly used, compares the situation of its power consumption, its result such as following table:
| Electrodes for display | Brightness 80cd/m 2 | |||
| V | I(mA) | Power Consumption (mW) | (％) | |
| Cr 3000A ITO 1500A | 11.67 | 26.68 | 311.38 | 100 |
| Ag alloy 4000A ITO 2200A | 9.93 | 21.29 | 211.44 | 68 |
| Electrodes for display | Brightness 100cd/m2 | |||
| V | I(mA) | Power Consumption (mW) | (％) | |
| Cr 3000A ITO 1500A | 12.63 | 35.1 | 444.3 | 100 |
| Ag alloy 4000A ITO 2200A | 10.39 | 27.76 | 288.4 | 65 |
| Electrodes for display | Brightness 150cd/m 2 |
| V | I(mA) | Power Consumption (mW) | (％) | |
| Cr 3000A ITO 1500A | 15.27 | 53.31 | 814 | 100 |
| Ag alloy 4000A ITO 2200A | 11.93 | 44.29 | 528.4 | 65 |
By above comparative result as can be known, organic luminous panel of the present invention greatly reduces with the resistance chromium metal commonly used of silver alloy, and tack is good, is highly suitable for the material of organic luminous panel as auxiliary electrode or lead.And according to the organic luminous panel of silver alloy made of the present invention, its power drain rate reduces significantly, so can prolong the useful life of organic luminous panel and the scope of application that enlarges organic luminous panel, be fairly obvious than the effect of common technology with the present invention.
It should be noted that above-mentioned many embodiment only give an example for convenience of explanation, the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (15)
1. organic luminous panel with silver alloy comprises:
One substrate;
A plurality of first electrodes;
A plurality of second electrodes;
A plurality of leads that contain silver alloy; And
A plurality of organic light emitting function layer;
Wherein these a plurality of first electrodes are parallel on this substrate;
This organic light emitting function layer is formed on first electrode;
This second electrode is formed on the organic light emitting function layer;
These a plurality of leads that contain silver alloy are connected with first electrode or second electrode; And
Silver alloy in this lead includes:
The silver of 80 to 99.8 molar percentages;
0.1 copper to 10 molar percentages; And
0.1 at least a transition metal of 10 molar percentages, wherein this transition metal is selected from the cohort of being made up of palladium, magnesium, gold and platinum; And
At least one adhesive force improver, wherein this adhesive force improver is selected from the cohort that titanium, aluminium, nickel, cobalt or chromium are formed; And total molar percentage of the silver alloy in this lead is 100.
2. organic luminous panel as claimed in claim 1 is characterized in that, also comprises a plurality of auxiliary electrodes that contain silver alloy.
3. organic luminous panel as claimed in claim 2 is characterized in that, wherein these a plurality of auxiliary electrodes are parallel on this first electrode or this substrate.
4. organic luminous panel as claimed in claim 2 is characterized in that, wherein the silver alloy in this auxiliary electrode includes:
The silver of 80 to 99.8 molar percentages;
0.1 copper to 10 molar percentages; And
0.1 at least a transition metal of 10 molar percentages, wherein this transition metal is selected from the cohort of being made up of palladium, magnesium, gold and platinum; And
At least one adhesive force improver, wherein this adhesive force improver is selected from the cohort that titanium, aluminium, nickel, cobalt or chromium are formed; And total molar percentage of the silver alloy in this auxiliary electrode is 100.
5. organic luminous panel as claimed in claim 1 is characterized in that, wherein also comprises a plurality of barrier layers.
6. organic luminous panel as claimed in claim 5 is characterized in that, wherein this barrier layer protrudes in this first electrode.
7. organic luminous panel as claimed in claim 1 is characterized in that, also comprises a pixel defining layer that is positioned on first electrode.
8. organic luminous panel as claimed in claim 7 is characterized in that, wherein the material of pixel defining layer is a pi.
9. organic luminous panel as claimed in claim 1 is characterized in that, wherein this adhesive force improver content is 0.01 to 5 molar percentage.
10. organic electroluminescent element as claimed in claim 5 is characterized in that wherein this barrier layer is for being parallel to each other.
11. organic luminous panel as claimed in claim 1 is characterized in that, wherein these a plurality of second electrodes are in projection on the substrate and the projection vertical interlaced of these a plurality of first electrodes on substrate.
12. organic luminous panel as claimed in claim 1 is characterized in that, wherein this substrate be selected from glass substrate, plastic substrate and flexible base, board one of them.
13. organic luminous panel as claimed in claim 12 is characterized in that, wherein the material of this plastic substrate and flexible base, board be selected from Merlon, polyester, cyclenes copolymer, crome metal compound base material-cyclenes copolymer and slim glass at least one of them.
14. organic luminous panel as claimed in claim 1 is characterized in that, wherein this organic light emitting function layer is a single layer structure or sandwich construction.
15. organic luminous panel as claimed in claim 14 is characterized in that, wherein the organic light emitting function layer of this sandwich construction comprises a hole injection layer, a hole transport layer, an organic luminous layer, an electron transfer layer and an electron injecting layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021602670A CN100369261C (en) | 2002-12-31 | 2002-12-31 | Organic luminous panel having silver alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021602670A CN100369261C (en) | 2002-12-31 | 2002-12-31 | Organic luminous panel having silver alloy |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1514676A CN1514676A (en) | 2004-07-21 |
| CN100369261C true CN100369261C (en) | 2008-02-13 |
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|---|---|---|---|
| CNB021602670A Expired - Fee Related CN100369261C (en) | 2002-12-31 | 2002-12-31 | Organic luminous panel having silver alloy |
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| CN (1) | CN100369261C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108630729A (en) * | 2017-03-24 | 2018-10-09 | 上海和辉光电有限公司 | A kind of structure and method improving OLED pixel defect |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001297630A (en) * | 2000-04-13 | 2001-10-26 | Mitsui Chemicals Inc | Clear electrode |
| CN1345526A (en) * | 1999-04-02 | 2002-04-17 | 出光兴产株式会社 | Organic electroluminescent display device and method of manufacturing the same |
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2002
- 2002-12-31 CN CNB021602670A patent/CN100369261C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1345526A (en) * | 1999-04-02 | 2002-04-17 | 出光兴产株式会社 | Organic electroluminescent display device and method of manufacturing the same |
| JP2001297630A (en) * | 2000-04-13 | 2001-10-26 | Mitsui Chemicals Inc | Clear electrode |
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| Publication number | Publication date |
|---|---|
| CN1514676A (en) | 2004-07-21 |
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Granted publication date: 20080213 Termination date: 20121231 |