TW463524B - Auxiliary layers for electroluminescent assemblies - Google Patents
Auxiliary layers for electroluminescent assemblies Download PDFInfo
- Publication number
- TW463524B TW463524B TW088113990A TW88113990A TW463524B TW 463524 B TW463524 B TW 463524B TW 088113990 A TW088113990 A TW 088113990A TW 88113990 A TW88113990 A TW 88113990A TW 463524 B TW463524 B TW 463524B
- Authority
- TW
- Taiwan
- Prior art keywords
- injection layer
- patent application
- item
- scope
- hole injection
- Prior art date
Links
- 230000000712 assembly Effects 0.000 title claims description 4
- 238000000429 assembly Methods 0.000 title claims description 4
- 239000006185 dispersion Substances 0.000 claims abstract description 33
- 239000000243 solution Substances 0.000 claims abstract description 28
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims abstract description 7
- 238000005401 electroluminescence Methods 0.000 claims description 24
- 238000011049 filling Methods 0.000 claims description 12
- -1 polyphenylene Polymers 0.000 claims description 10
- 230000002079 cooperative effect Effects 0.000 claims description 9
- 125000004432 carbon atom Chemical group C* 0.000 claims description 8
- 229920000447 polyanionic polymer Polymers 0.000 claims description 8
- 125000002091 cationic group Chemical group 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 229920000265 Polyparaphenylene Polymers 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 150000004820 halides Chemical class 0.000 claims 2
- 229920001281 polyalkylene Polymers 0.000 claims 2
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims 1
- OWNRRUFOJXFKCU-UHFFFAOYSA-N Bromadiolone Chemical compound C=1C=C(C=2C=CC(Br)=CC=2)C=CC=1C(O)CC(C=1C(OC2=CC=CC=C2C=1O)=O)C1=CC=CC=C1 OWNRRUFOJXFKCU-UHFFFAOYSA-N 0.000 claims 1
- 229910052792 caesium Inorganic materials 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 229910052701 rubidium Inorganic materials 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000010410 layer Substances 0.000 description 37
- 239000000758 substrate Substances 0.000 description 17
- 229920001940 conductive polymer Polymers 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000007740 vapor deposition Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000012044 organic layer Substances 0.000 description 6
- 229920000123 polythiophene Polymers 0.000 description 6
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 229920000620 organic polymer Polymers 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 238000004528 spin coating Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 229920000144 PEDOT:PSS Polymers 0.000 description 2
- 239000003957 anion exchange resin Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003729 cation exchange resin Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000003456 ion exchange resin Substances 0.000 description 2
- 229920003303 ion-exchange polymer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920000767 polyaniline Polymers 0.000 description 2
- 229920000128 polypyrrole Polymers 0.000 description 2
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- YMMGRPLNZPTZBS-UHFFFAOYSA-N 2,3-dihydrothieno[2,3-b][1,4]dioxine Chemical compound O1CCOC2=C1C=CS2 YMMGRPLNZPTZBS-UHFFFAOYSA-N 0.000 description 1
- GKWLILHTTGWKLQ-UHFFFAOYSA-N 2,3-dihydrothieno[3,4-b][1,4]dioxine Chemical compound O1CCOC2=CSC=C21 GKWLILHTTGWKLQ-UHFFFAOYSA-N 0.000 description 1
- SGTNSNPWRIOYBX-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-{[2-(3,4-dimethoxyphenyl)ethyl](methyl)amino}-2-(propan-2-yl)pentanenitrile Chemical compound C1=C(OC)C(OC)=CC=C1CCN(C)CCCC(C#N)(C(C)C)C1=CC=C(OC)C(OC)=C1 SGTNSNPWRIOYBX-UHFFFAOYSA-N 0.000 description 1
- 229910052778 Plutonium Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- RHZWSUVWRRXEJF-UHFFFAOYSA-N indium tin Chemical compound [In].[Sn] RHZWSUVWRRXEJF-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910000358 iron sulfate Inorganic materials 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 229920002779 poly(alkoxythiophenes) Polymers 0.000 description 1
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000414 polyfuran Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
- C08G61/126—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds with a five-membered ring containing one sulfur atom in the ring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/917—Electroluminescent
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/254—Polymeric or resinous material
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Heterocyclic Compounds Containing Sulfur Atoms (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Luminescent Compositions (AREA)
Description
經濟部智慧財產局員工消費合作社印製 •46352 4 A7 ________B7____ 五、發明說明(1) 本發明係關於含有導電性聚合體作為輔助層之電致發光 組裝。 電致發光(EL)組裝之特徵在於當施加電位時,其會發光 及電流流動。此種組裝長久以來已為工業上所已知,其名 稱為"發光二極體"(LED)。光之發射係由於與光之發射結合 之正電荷(電洞)與負電荷(電子)之結果而發生。 習用於工業上之LED,大多數包含無機半導體材料。但 是’基本組成為有機材料之EL組裝,係已知若干年。 此等有機EL組裝通常含有一或多層有機電荷輸送化合物 〇 其主要層結構如下。數目1至10具有下列意義: 1 載體,基材 2 底部電極 3 電洞注入層 4電洞輸送層 5 發射層 6電子輸送層 7 電子注入層 8 頂部電極 9 接點 10被膜,封裝 此結構係代表最通常之情況,|可藉由省略個別層而簡 化,於此種情沉中’錢層之一係呈現多種功能。於最簡 單之情況中,EL組裝係包含兩個電極,於其間有一個有機 -3- I紙^尺度適用_國€家標準(CNS)A4規格(2】0 X 釐)"一丨· (請先閱讀背面之注意事項再填寫本頁) 訂---------線'. 46352 4 A7 __________B7__ 五、發明說明(2) 層’其具備所有功能,包括光之發射。此種系統係描述於 例如專利申請案WO-A90/13M8中,以聚[對苯乙稀]為基礎 〇 在大面積電致發光顯示元件之製造上,供應電力之電極 2或8中之至少一個,必須由透明且導電性之材料組成。 適當基材1為透明載體,譬如玻璃或塑膠薄膜,譬如聚 酯,例如聚對笨二甲酸乙二酯或聚萘二甲酸乙二酯:聚碳 酸酯,聚丙稀酸酯,聚ί風或聚醯亞胺。 適當透明且導電性之材料為: a) 金屬氧化物’例如氧化銦-錫(ΙΤ〇)、氧化錫^怒八); b) 半透明金屬薄膜,例如Au, Pt,Ag,Cu等。 適當發射層5係描述於DE-A 1% 27 071中。但是,實際上已 發現電子注入或電洞注入層(3,4及/或6,7)必須併入電致發 光組裝中,以增加光通量。Ep_A686 662揭示使用導電性有 機聚合體’譬如3,4-聚乙稀二氧基嗔吩,與多經基化合物 或内醯胺之特殊混合物,作為ELP組裝中之電極1 ^但是, 實際上已發現此等電極具有不足夠之導電率,特別是對大 面積顯示器而言》 DE-A 19627〇7l揭示使用聚合有機導體,例如3,4-聚乙烯二 氧基噻吩,作為電洞注入層《藉此方式,電致發光顯示器 之光通量,與未使用中間有機聚合體層之組裝比較,可相 當大地增加。但是,此等顯示器之壽命對實際應用仍然不 足。 本發明之一項目的係為增加以有機材料為基礎之ELP組 -4- 本紙張尺度適用中國國家標準(CNS)A4規格(210* 297公t ) <請先閱讀背面之注意事項再填寫本頁) -.^------ 經濟部智慧財產局貝工消費合作社印製 =-OJI n K ri I I I— _ t n n n n n n n ί n ϋ 1 n ϋ l 4 6352 4 A7 B7 五、發明說明(3) 裝之壽命。 目前已令人驚料發現使用具有極小粒子尺寸之聚合有 機導體之4液或分散液’及若使用式〗導電性聚合體時, 導電性聚陽離子對料電性抗卿子或非料性黏合劑之 特殊比例,使得電致發光顯示器之壽命能夠被相當大地增 加。亦已發現在兩個導電性電極2與8之間短路之發生,可 依此方式被顯著地降低β 本發明係提供電致發光组裝,其含有聚合有機導體作為 電洞注入層,該導體係自溶液塗敷,或自分散液塗敷,且 其中粒子即使在任何溶脹狀態中,係具有低於1微米,較 佳係低於0.5微米,特別是低於0.25微米之大小。 適當聚合有機導體為經取代或未經取代之聚呋喃、聚吡 咯、聚苯胺或聚噻吩。其係描述於例如ΕΡ-Α 2 257 573 (聚烷 氧基噻吩)、WO-A9〇/〇4256(聚苯胺)、ΕΡ-Α〇589 529(聚吡咯) 及DE-A 22 62 743 (寡苯胺)中。特別適合之聚合有機導體為 未帶電或具陽離子性,可溶性或不溶性之式I次烧基-二氧 基-噻吩 (請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作杜印製 〇 〇
S 其中 η表示5至100之整數,且 -5- (I),
旁+:4|t η 丨举S · I [ ϋ I I I ί » I H I II ϋ 1 I I ^ - I I n n E 1 I -- I I I K l n I ! n . 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) A7
4 6352 4 _____ _B7__ 五、發明說明(4) R表不Η ’具有1至20個碳原子之經取代或未經取代之燒 基’ -CH2-OH或具有6·14個碳原子之芳基。 特別適合之次烷二氧基噻吩之實例,係描述於Ερ_ A 440 957 與 DE-A 42 11 459 中。 同樣特別適合之聚合有機導體,係為未帶電或具陽離子 性’可溶性或不溶性之通式π聚噻吩 η表示5至1〇〇之整數, R表示Η,或具有丨至12個碳原子之烷基, 尺1表示-(〇12)„1-3031^,其中]\1=1^他〖,拙,匚8,仰4,11,及 m表示1至12之整數。 此等聚噻吩之製備,係描述於WO-A 98/03499中。 式Ϊ與II聚噻吩可單獨或以混合物使用。 式Ϊ導電性聚合體特佳係併用聚陰離子,其係描述於例如 EP_A440957中。特別適合之導電性聚合體溶液或分散液, 為以一重量份數之聚陰離子為基準,當有低於〇4,特別是 低於03重量份數之式I導電性聚合體存在時獲得》 導電聚合體對聚陰離子之此比例,可於製備中直接設定 °但是’已發現亦可自含有較高比例導電聚合體之溶液或 -6- 本紙張尺度適用中國國豕標率(CNS)A4規格(21Q X 297公爱) (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消费合作社印製 -Iμ°^ n 1« n 1 n l I i ϋ ! fa I n n n i n n n ·1 n 4635 2 4 A7 B7 五、發明說明(5) 分散液開始,及接著僅藉由添加聚陰離子之鹽或聚陰離子 之自由態酸,設定根據本發明導電聚合體對聚陰離子之比 例。 此外’此等較佳溶液或分散液具有之優點是,該層之導 電率係低於使用具有式I聚噻吩對聚陰離子比例為04 ·· 溶液或分散液所獲得者。這會降低電致發光矩陣顯示器中 之"串擾”(恤1111,3卿]1.1^山,92(1998)1〇7_113)。因此,較佳係 使用會導致在75毫微米乾膜厚下具有表面電阻>1〇5Ω/□層 ,或具有導電率<2S /公分層之溶液或分散液。 本發明之電致發光組裝係利用基本上已知之技術製成。 為製造本發明系統之中間層3,將聚α塞吩之溶液或分散液 以薄膜分佈在底部電極上。所使用之溶劑較佳為水或水/ 醇混合物。適當醇類為例如甲醇、乙醇、丙醇、異丙醇及 丁醇。使用此等溶劑具有之優點是,可自有機溶劑(譬如 芳族或脂族烴混合物)塗敷其他層,而不會使層3受到侵钱 〇 在塗覆步驟之前,較佳係使聚合有機導體之溶液或分散 液’經過濾器過濾’例如得自]Viillipore之膜濾器,其具有孔 隙大小<1微米。較佳係使用<0·5微米濾器。特佳係使用 <0.25微米濾器。 亦可將有機聚合體黏合劑及/或有機低分子量交聯劑, 添加至聚合有機導體之溶液或分散液中。適當黏合劑係描 述於例如ΕΡ-Α 564 911中。 較佳係使用含有低於10 ppm金屬離子及/或低於1〇 ppm無 本紙張尺度適用中國國家標準(CNS>A4規格(210 X 297公釐) (靖先閱讀背面之注意事項再填寫本頁) 訂---------線丨一 經濟部智慧財產局員工消費合作社印製 46352 4 A7 B7 五、發明說明(6) 機酸陰離子之t合有機導體之溶液或分散液。特佳係使用 含有低於1 ppm金屬離子及/或低於1 ppm無機酸陰離子之 聚合有機導體之溶液或分散液。 聚合有機導體之溶液或分散液,係利用譬如旋轉塗覆、 液鑄、刮刀塗覆、印刷或威洗禱技術,均勻地分佈在基材 上。接著使此等層在室溫下,或在至高3〇(rc,較佳為至高 200°C之溫度下乾燥。 此溶液或分散液亦可以結構化形式塗敷,較佳係藉印刷 技術,譬如噴墨印刷。此項技術係針對水溶性聚噻吩,描 述於例如Science,第279卷(1998)中。 已發現當使用載體而其全部區域已塗覆氧化銦-錫’且其 上已以結構化形式塗敷導電性聚合體層時,則接著同樣被 塗敷於全部區域上之發射層,只在塗覆導電性聚合體之位 置處發光。此方法使其能夠以簡單方式製造結構化電致發 光顯示器’而無需導電性底部電極之結構化。 根據本發明中間層3之厚度,係為約3至5〇〇毫微米,較 佳為10至200毫微米。 接著,經由自溶液沈積或經由蒸氣沈積至根據本發明所 製成之中間層3,塗敷其他層。此處較佳係使用聚對苯_乙 烯衍生物或鋁複合物,譬如鋁咹啡化物,作為發射層5。 §使用聚對本-乙稀衍生物時’可有利地省略其他電洞注 入層4。 根據本發明所製成之電致發光顯示器,值得注意的是其 使用時之長壽命、高光通量及低電壓。 -8 - 本紙張尺度適用中國國家標準(CNS>A4規格(210 * 297公釐) (請先閱讀背面之注意事項再填寫本頁) I It — — I I J3T· — I I I I — I I J i. 經濟部智慧財產局員工消費合作社印製 A7 4 6352 4 ___B7____ 五、發明說明(7) 實例 比較會例: 對於Baytron®P (3,冬聚乙烯二氧基噻吩/聚苯乙烯磺酸鹽分 散液,PEDT/PSS 1 ·· 2.5 (Bayer AG))之過濾試驗 此Baytron®P分散液不能夠經過得自Millipore之0,45微米膜 渡器過滤。因此’在未過滤下’將此分散液用於製造電致 發光顯示器。 實例1 3,4_聚乙烯二氧基噻吩/聚苯乙烯確酸鹽分散液PEDT/PSS 1 :4之製備 將2〇克自由態聚苯乙烯罐酸(Mn約4〇,0〇〇)、13.4克過氧重 硫酸鉀及50毫克硫酸鐵(III)添加至2000毫升水中,同時授拌 。添加5.0克3,4·乙二氧基噻吩,同時攪拌。將分散液於室 溫下攪拌24小時。接著,添加1〇〇克陰離子交換樹脂 Lewatit®MP62(BayerAG)與 100 克陽離子交換樹脂 Lewatit®s 100 (Bayer AG) ’兩者均以水潤濕,並將混合物槐拌8小時。 經過具有孔隙大小為50微米之聚丙烯腈織物過渡,移除 離子交換樹脂。這獲得具有固含量約I·2重量%之分散液, 其係立即可用。 此分散液可容易地經過0.45微米濾器過濾》將已過濾之 分散液用於製造電致發光顯示器。 實例2 3,4·聚乙稀二氧基嗔吩/聚苯乙稀續酸鹽分散液pEDT/pss i :8之製備 -9 - 本紙張尺度適用中關家標举(CNS)A4規格(210 X 297公笼) "" (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製
-n n 一OJ n t n n I ^ .1 i .^1 n n ϋ n n n n 1— n I 經濟部智慧財產局員工消費合作社印製 4 6352 4 A7 _______B7______ 五、發明說明(8) 將2〇克自由態聚笨乙烯磺酸(Mn約4〇,000)、6.7克過氧重硫 酸鉀及50毫克硫酸鐵(in)添加至2〇〇〇毫升水中’同時攪拌。 添加2_5克3,4-乙二氧基噻吩’同時攪拌。將分散液於室溫 下攪拌24小時。接著,添加100克陰離子交換樹脂 Lewatit®MP62(BayerAG)與 100 克陽離子交換樹脂 Lewatit®S lOO(BayerAG) ’兩者均以水潤濕,並將混合物攪拌8小時。 經過具有孔隙大小為5〇微米之聚丙烯腈織物過濾,移除 離子交換樹脂。這獲得具有固含量約U重量%之分散液, 其係立即可用》 此分散液可容易地經過0·22微米濾器過濾。將已過濾之 分散液用於製造電致發光顯示器。 用途實例 比較實例1 使用下述程序,建構根據本發明之有機發光二極體 (OLED): 1. 清洗ΙΤΟ基材 將已塗覆ΙΤΟ之玻璃(Merck Balzers AG,部件編號253 674 ΧΟ) 切成50毫米x50毫米片塊(基材)。接薯將基材在3%濃度 Mukasol®水溶液中,於超音波浴中清洗15分鐘。然後, 將基材以蒸館水沖洗,並在離心機中旋轉乾燥。將此沖 洗與乾燥程序重複10次。 2. Baytron P 層塗敷至 ΓΓΟ 將基材置於旋轉塗覆機上,並使約10毫升1.3%濃度之聚 乙婦一氧基嗔吩/聚苯乙稀績酸溶液(Baytron P)分佈於基 -10 - 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) <請先閱讀背面之注意事項再填寫本頁) =TeJi I I I l I I I i I Λ I K — — — — — — — — 1 — — — — — — — . 4 6352 4 A7 B7 五、發明說明(9) 材之ITO-塗覆側上。接著經由將此板在500rpm下旋轉3 分鐘,使過量溶液旋轉脫離。然後,將已依此方式塗覆 之基材,在110°C下,於加熱板上乾燥5分鐘。此層具有 毫微米厚度(Tencor,Alphastep 200),但為不均勻且含有針 孔。 電洞導體層之塗敷 將ί重量份數聚乙烯基咔唑(BASF Luvican®)與2重量份數 胺A(式III)之5毫升I·5%濃度二氣乙烷溶液過濾(Millipore® HV,0·45微米),並分佈在已乾燥之BaytmnP層上》接著, 經由將此板在8〇0 rpm下旋轉6〇秒,使過量溶液旋轉脫離 。然後,使已依此方式塗覆之基材在110°C下,於加熱 板上乾燥5分鐘。總層厚為150毫微米。
(請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製
OCH, 4·發光/電子注入層之蒸氣沈積 (III) f..---— Μ kmpn
訂---------線1一 -11 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) A7 46352 4 —-------------B7_____ 五、發明說明(19 第二個有機層’意即根據本發明使用之物質,參羥基喳 咁化鋁,係藉熱蒸氣沈積而塗敷至按上述製成之兩個有 機層上。其係在蒸氣沈積單元(Leybold, Univex35〇)中進行 在蒸氧沈積期間’該蒸氣沈積單元中之壓力為1〇_ 3 pa ,且沈積速率為2人/秒。此3個有機層之總厚度為2〇〇 毫微米。 金屬陰極之蒸氣沈積 使金屬電極蒸氣沈積於有機層系統上。為達此項目的, 將基材置於多孔罩蓋(孔徑5毫米)上,其中有機層系統 面向下。在1〇_3 Pa壓力下,使元素Mg與Ag自兩個汽化船 形物平行汽化《沈積速率對Mg為28人/秒,而對々為 2人/秒。經蒸氣沈積金屬接點之厚度為5〇〇毫微米。 利用電導線’使兩個有機LED電極連接至電壓來源。使 陽極連接至ITO電極,並使陰極連接至Mg電極。 施加電壓會造成短路,因此電流與電致發光不會長時間 安定。 比較實例2 如實例1中建構根據本發明OLED之程序,惟係將得自實 例2之未經過濾聚乙烯二氧基噻吩分散液,藉旋轉塗覆法 塗敷’以替代BaytronP。下述程序係用於此項目的: 將基材置於旋轉塗覆機上,並使約10亳升聚乙埽二氧基 噻吩/聚磺酸溶液分佈於基材之ΓΓ0·塗覆側上。接著,、經 由將此板在5〇0 rpm下旋轉3分鐘,使過量溶液旋轉脫離。 然後’將已依此方式塗覆之基材,在110°C下,於加熱板上 -12- 本紙張尺度適用令國國家標準(CNS)A4規格(210 X 297公釐) (請先閱讀背面之注意事項再填寫本頁〕 經濟部智慧財產局員工消費合作社印製
< . n / -#-r<»JI n - -1 ϋ 1— I — Λ * TP— I in - I - n J- f < I A7 46352 4 五、發明說明(1》 乾燥5分鐘。此層具有60毫微米厚度(Tencor,Alphastep 200), 但為不均勻且含有針孔。 {請先閱讀背面之注意事項再填寫本頁) 施加電壓會造成短路,因此電流與電致發光不會長時間 安定。 用途實例1 如實例1中建構根據本發明OLED之程序,惟係將得自實 例1已經過0.45微米濾器過濾之溶液’藉旋轉塗覆法塗敷。 下述程序係用於此項目的: 將基材置於旋轉塗覆機上,並使得自實例1已過濾之溶 液分佈於基材之ITO-塗覆側上。接著,經由將此板在 500rpm下旋轉3分鐘,使過量溶液旋轉脫離。然後,將已 依此方式塗覆之基材,在ll〇°C下,於加熱板上乾燥5分鐘 。此層具有60毫微米厚度(Tencor,Alphastep 2〇〇),並為均勻且 未含針孔。 僅高於3伏特之電壓’即可利用光二極體(Eg&gc3_e) 檢出電致發光。10伏特之電壓會造成每單位面積之電流為 iOOmA/平方公分,其係長時間安定’及電致發光強^為 2500cd/平方米,其係長時間安定。電致發光之顏色為綠 經濟部智慧財產局員工消費合作社印製
Claims (1)
- 463524T 5月·^利範圍 c N中in In.圍l)s 咖範aim tA利cl m專‘(90年元月19曰送呈) (Submitted on January 19 ,2001) 1. 一種電致發光組裝,其含有聚合有機導體作為電洞注入 層’該導體係自其中粒子具有低於1微米大小之溶液塗 敷或自分散液塗敷。 2·根據申請專利範圍第1項之電致發光組裝,其特徵在於 電洞注入層係自分散液塗敷’且分散液之粒子具有 <0.25微米之大小。 3.根據申請專利範圍第1項之電致發光組裝,其特徵在於 存在之電洞注入層為聚合有機導體,其包含經取代或未 經取代之未帶電或具陽離子性之式13,4·聚次烷基二氧基 噻吩 fil 丨中朽 :¾ η (I), 其中 η表示5至100之整數,及 R表示Η ’具有1至20個碳原子之經取代或未經取代之 烷基,-CH2-OH或具有6-14個碳原子之芳基。 4.根據申請專利範圍第1項之電致發光組裝,其特徵在於 存在之電洞注入層為聚合有機導體,其包含經取代或未 經取代之未帶電或具陽離子性之式II聚烷氡基噻吩 14- 本紙張尺度適用中國國家標準(CNS)A4規格(210x297公釐) 'i It _ — — — — — — ^ 11.11111 ^ ίιι — fi — — I L· (請先閲讀背面之注意事項再填窝本頁) 經濟部智慧財產局員工消費合作社印製 46352 4 888ΰ ABCD 六、申請專利範圍(π), 經濟部智慧財產局員工消费合作社印製 其中 :::.:j η表示5至1〇〇之整數, R表示Η或具有1至丨2個碳原子之烷基, R 表示 _(CH2 )m -S03 Μ ’ 其中 M=Li,Na,Κ,Rb, Cs,ΝΗ4, Η,及 m表示1至12之整數。 5‘根據申請專利範圍第丨項之電致發光組裝,其特徵在教 毫微米厚電洞注入層之表面電阻為>1〇5 Ω / 口。 6.根據申請專利範圍第i項之電致發光組裝,其特徵在衣 電洞注入層之導電率為<2S/公分。 ' 7·根據申請專利範圍第3項之電致發光組裝,其特徵為名 電洞注入層中’每<〇.4重量份數之式I導電性聚嗜吩,令 存在一重量份數之聚陰離子。 -15- 本紙張尺度適用中國國家標準(CNS)A4規格(21〇 x 297公« ) 1 1--- I---- ---典 Ι1ΓΙΙΙ1 訂 _| I — I — I — I I I‘ {請先^讚背面之注^^項再填寫本頁) γ濟 f n( 1 ** !m T*"* " ·. *»·.....“ r..二一1*. -------i 1…—?<η”ιι〇 類 別 He (以上各櫊由本局填註) 專利申請案第〇 - 轮 曰送呈)〜「咐件 C4 (民國产年之月19 Α4 463524專利説明書 中 文 發明 名稱 人 電致發光組裝用之輔助層 英 文 姓 名 國 籍 住 '居所 Auxiliary layers for electroluminescent assemblies 1. 裘費迪 Friedrich JONAS 2. 魏若夫 Rolf WHHRMANN 3. 伊安德 Andreas ELSCHNER 4. 修翰維 Hehnut-Werner HEUEH 1.-4,皆德國籍 1. 德國安奇城庫季路15號 Kjugenofen 15, 52066 Aachen, Germany 2. 德國克復城希比街101號 Scheiblerstr. 101,47800 Krefeld, Germany 3. 德國牧漢城利狄街6號 Lederstr.6,45479 Miilheim, Germany 4德國克復城卡坦街7號 Kastanienstr.7,47829 Krefeld, Germany 經 中 榡 準 局 員 工 消 費 合 作 印 製 三' 申請人 姓 名 (名稱) 國 籍 住 '居所 (事務所) 代 表人 姓 名 德商拜耳廠股份有限公司 Bayer Aktiengesellschaft 德國 白羅夫(Dr. Rolf Braun) ‘勞斯(Dr. Klaus Reuter) 德國利佛可生城拜耳工業區D 51368 D 51368 Leverkusen, Bayerwerk, Federal Republic of Germany 本紙張尺度適用中囷國家樣準(CNS ) A4W(格(21〇X297公釐)463524T 5月·^利範圍 c N中in In.圍l)s 咖範aim tA利cl m專‘(90年元月19曰送呈) (Submitted on January 19 ,2001) 1. 一種電致發光組裝,其含有聚合有機導體作為電洞注入 層’該導體係自其中粒子具有低於1微米大小之溶液塗 敷或自分散液塗敷。 2·根據申請專利範圍第1項之電致發光組裝,其特徵在於 電洞注入層係自分散液塗敷’且分散液之粒子具有 <0.25微米之大小。 3.根據申請專利範圍第1項之電致發光組裝,其特徵在於 存在之電洞注入層為聚合有機導體,其包含經取代或未 經取代之未帶電或具陽離子性之式13,4·聚次烷基二氧基 噻吩 fil 丨中朽 :¾ η (I), 其中 η表示5至100之整數,及 R表示Η ’具有1至20個碳原子之經取代或未經取代之 烷基,-CH2-OH或具有6-14個碳原子之芳基。 4.根據申請專利範圍第1項之電致發光組裝,其特徵在於 存在之電洞注入層為聚合有機導體,其包含經取代或未 經取代之未帶電或具陽離子性之式II聚烷氡基噻吩 14- 本紙張尺度適用中國國家標準(CNS)A4規格(210x297公釐) 'i It _ — — — — — — ^ 11.11111 ^ ίιι — fi — — I L· (請先閲讀背面之注意事項再填窝本頁) 經濟部智慧財產局員工消費合作社印製
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GB1399256A (en) | 1971-10-22 | 1975-07-02 | Sick Erwin | Method and apparatus for detecting the passing of a straight contrast boundary |
ES2064307T3 (es) | 1986-08-26 | 1995-02-01 | Hoechst Ag | Polimeros solubles, conductores de la electricidad, procedimiento para su obtencion y uso de los mismos. |
US5498761A (en) | 1988-10-11 | 1996-03-12 | Wessling; Bernhard | Process for producing thin layers of conductive polymers |
GB8909011D0 (en) | 1989-04-20 | 1989-06-07 | Friend Richard H | Electroluminescent devices |
DE59010247D1 (de) | 1990-02-08 | 1996-05-02 | Bayer Ag | Neue Polythiophen-Dispersionen, ihre Herstellung und ihre Verwendung |
DE4211461A1 (de) | 1992-04-06 | 1993-10-07 | Agfa Gevaert Ag | Antistatische Kunststoffteile |
TW247319B (zh) * | 1992-06-17 | 1995-05-11 | Japat Ltd | |
TW278096B (zh) | 1992-09-24 | 1996-06-11 | Dsm Nv | |
JP3534445B2 (ja) * | 1993-09-09 | 2004-06-07 | 隆一 山本 | ポリチオフェンを用いたel素子 |
JPH07166160A (ja) * | 1993-12-16 | 1995-06-27 | Toppan Printing Co Ltd | 有機薄膜el素子 |
DE19507413A1 (de) | 1994-05-06 | 1995-11-09 | Bayer Ag | Leitfähige Beschichtungen |
ATE287929T1 (de) * | 1994-05-06 | 2005-02-15 | Bayer Ag | Leitfähige beschichtungen hergestellt aus mischungen enthaltend polythiophen und lösemittel |
JP3249297B2 (ja) * | 1994-07-14 | 2002-01-21 | 三洋電機株式会社 | 有機電界発光素子 |
US5719467A (en) * | 1995-07-27 | 1998-02-17 | Hewlett-Packard Company | Organic electroluminescent device |
DE19627071A1 (de) * | 1996-07-05 | 1998-01-08 | Bayer Ag | Elektrolumineszierende Anordnungen |
AU3252197A (en) * | 1996-07-22 | 1998-02-10 | Universite De Montreal | Novel self-acid-doped highly conducting polythiophenes |
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- 1998-09-12 DE DE19841803A patent/DE19841803A1/de not_active Withdrawn
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- 1999-08-17 TW TW088113990A patent/TW463524B/zh not_active IP Right Cessation
- 1999-08-31 ES ES99116791T patent/ES2186285T3/es not_active Expired - Lifetime
- 1999-08-31 EP EP99116791A patent/EP0991303B1/de not_active Expired - Lifetime
- 1999-08-31 DE DE59903457T patent/DE59903457D1/de not_active Expired - Lifetime
- 1999-08-31 AT AT99116791T patent/ATE228290T1/de not_active IP Right Cessation
- 1999-09-03 JP JP25017599A patent/JP4746727B2/ja not_active Expired - Lifetime
- 1999-09-08 US US09/391,926 patent/US6391481B1/en not_active Expired - Lifetime
- 1999-09-11 KR KR1019990038841A patent/KR100613311B1/ko not_active IP Right Cessation
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2010
- 2010-11-19 JP JP2010258922A patent/JP4725984B2/ja not_active Expired - Lifetime
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US8318046B2 (en) | 2002-09-24 | 2012-11-27 | E I Du Pont De Nemours And Company | Water dispersible polyanilines made with polymeric acid colloids for electronics applications |
US8585931B2 (en) | 2002-09-24 | 2013-11-19 | E I Du Pont De Nemours And Company | Water dispersible polythiophenes made with polymeric acid colloids |
US8784692B2 (en) | 2002-09-24 | 2014-07-22 | E I Du Pont De Nemours And Company | Water dispersible polythiophenes made with polymeric acid colloids |
US8641926B2 (en) | 2003-04-22 | 2014-02-04 | E I Du Pont De Nemours And Company | Water dispersible polythiophenes made with polymeric acid colloids |
US8765022B2 (en) | 2004-03-17 | 2014-07-01 | E I Du Pont De Nemours And Company | Water dispersible polypyrroles made with polymeric acid colloids for electronics applications |
US8409476B2 (en) | 2005-06-28 | 2013-04-02 | E I Du Pont De Nemours And Company | High work function transparent conductors |
US7710020B2 (en) | 2006-07-05 | 2010-05-04 | Au Optronics Corporation | Organic electroluminescence device and method for reducing lateral current leakage thereof |
US8491819B2 (en) | 2006-12-29 | 2013-07-23 | E I Du Pont De Nemours And Company | High work-function and high conductivity compositions of electrically conducting polymers |
CN104770065A (zh) * | 2012-10-26 | 2015-07-08 | 赫劳斯贵金属有限两和公司 | Oled中的具有高导电率和高效率的透明层及其制备方法 |
CN104770065B (zh) * | 2012-10-26 | 2018-12-21 | 赫劳斯贵金属有限两和公司 | Oled中的具有高导电率和高效率的透明层及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
ATE228290T1 (de) | 2002-12-15 |
DE59903457D1 (de) | 2003-01-02 |
JP2011061235A (ja) | 2011-03-24 |
EP0991303A2 (de) | 2000-04-05 |
EP0991303A3 (de) | 2000-04-26 |
US6391481B1 (en) | 2002-05-21 |
JP4725984B2 (ja) | 2011-07-13 |
JP2000091081A (ja) | 2000-03-31 |
ES2186285T3 (es) | 2003-05-01 |
DE19841803A1 (de) | 2000-03-16 |
KR100613311B1 (ko) | 2006-08-21 |
EP0991303B1 (de) | 2002-11-20 |
JP4746727B2 (ja) | 2011-08-10 |
KR20000023089A (ko) | 2000-04-25 |
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