JP4596977B2 - 有機発光表示装置 - Google Patents
有機発光表示装置 Download PDFInfo
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- JP4596977B2 JP4596977B2 JP2005147502A JP2005147502A JP4596977B2 JP 4596977 B2 JP4596977 B2 JP 4596977B2 JP 2005147502 A JP2005147502 A JP 2005147502A JP 2005147502 A JP2005147502 A JP 2005147502A JP 4596977 B2 JP4596977 B2 JP 4596977B2
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- -1 rare earth metal ions Chemical class 0.000 claims description 14
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- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 claims description 10
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- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 11
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- OGGKVJMNFFSDEV-UHFFFAOYSA-N 3-methyl-n-[4-[4-(n-(3-methylphenyl)anilino)phenyl]phenyl]-n-phenylaniline Chemical compound CC1=CC=CC(N(C=2C=CC=CC=2)C=2C=CC(=CC=2)C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C=C(C)C=CC=2)=C1 OGGKVJMNFFSDEV-UHFFFAOYSA-N 0.000 description 1
- FJXNABNMUQXOHX-UHFFFAOYSA-N 4-(9h-carbazol-1-yl)-n,n-bis[4-(9h-carbazol-1-yl)phenyl]aniline Chemical compound C12=CC=CC=C2NC2=C1C=CC=C2C(C=C1)=CC=C1N(C=1C=CC(=CC=1)C=1C=2NC3=CC=CC=C3C=2C=CC=1)C(C=C1)=CC=C1C1=C2NC3=CC=CC=C3C2=CC=C1 FJXNABNMUQXOHX-UHFFFAOYSA-N 0.000 description 1
- YLYPIBBGWLKELC-UHFFFAOYSA-N 4-(dicyanomethylene)-2-methyl-6-(4-(dimethylamino)styryl)-4H-pyran Chemical compound C1=CC(N(C)C)=CC=C1C=CC1=CC(=C(C#N)C#N)C=C(C)O1 YLYPIBBGWLKELC-UHFFFAOYSA-N 0.000 description 1
- AWXGSYPUMWKTBR-UHFFFAOYSA-N 4-carbazol-9-yl-n,n-bis(4-carbazol-9-ylphenyl)aniline Chemical compound C12=CC=CC=C2C2=CC=CC=C2N1C1=CC=C(N(C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=2C=CC(=CC=2)N2C3=CC=CC=C3C3=CC=CC=C32)C=C1 AWXGSYPUMWKTBR-UHFFFAOYSA-N 0.000 description 1
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- ZKHISQHQYQCSJE-UHFFFAOYSA-N C1=CC=CC=C1N(C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=C(C=C(C=1)N(C=1C=CC=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)N(C=1C=CC=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 Chemical compound C1=CC=CC=C1N(C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=C(C=C(C=1)N(C=1C=CC=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)N(C=1C=CC=CC=1)C=1C=CC(=CC=1)N(C=1C=CC=CC=1)C=1C=CC=CC=1)C1=CC=CC=C1 ZKHISQHQYQCSJE-UHFFFAOYSA-N 0.000 description 1
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- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 1
- 239000005751 Copper oxide Substances 0.000 description 1
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- 229910000484 niobium oxide Inorganic materials 0.000 description 1
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 description 1
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- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/805—Electrodes
- H10K59/8052—Cathodes
- H10K59/80524—Transparent cathodes, e.g. comprising thin metal layers
-
- 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
- H10K50/80—Constructional details
- H10K50/805—Electrodes
- H10K50/82—Cathodes
- H10K50/828—Transparent cathodes, e.g. comprising thin metal layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3026—Top emission
-
- 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]
- H10K50/14—Carrier transporting layers
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- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
nmとした。
124,電子輸送層123,発光層122,正孔輸送層121,正孔注入層129の順に各層を積層した。各層の材料,成膜条件,膜厚は図1に示す実施例と同様である。上部電極125はEB蒸着により成膜したCrである。パターン形成はシャドウマスクを用い、膜厚は100nmとした。下部光取出し型表示装置は、上部電極が金属電極であるため上部電極形成時の有機膜酸化による発光電圧の上昇はない。
nmの厚さにスパッタ成膜し、ホトリソグラフィーによりパターニングした。
Si膜を、ドライエッチングでパターン化し、第1トランジスタ101の活性層103,第2トランジスタ102の活性層103′、及び容量下部電極105を形成した。
Ar:O2 混合ガスを雰囲気として真空度1Pa、スパッタクリング出力を0.2W/cm2とした。In−ZnO膜からなる上部電極125は陰極として機能し、その透過率は80%であった。
Claims (6)
- 有機発光層と、前記有機発光層を挟む上部電極及び下部電極とを有して構成され、
前記上部電極側から前記有機発光層の発光光を取出すものであり、
前記上部電極は陰極であり、前記下部電極は陽極であり、
前記有機発光層と前記上部電極との間に、融点近傍に置ける生成ギブズエネルギーが−300kJ/molよりも低い酸化物を主成分とするバッファ層を有し、
前記バッファ層と前記有機発光層との間にあり、前記バッファ層と接する有機膜は電子供与性ドーパントがドーピングされ、
前記バッファ層は酸化バナジウム,酸化モリブデンまたは酸化タングステンを含み、
前記有機膜は電子注入層である、
ことを特徴とする有機発光表示装置。 - 請求項1に記載の有機発光表示装置において、
複数の画素および前記複数の画素を駆動する薄膜トランジスタを有するアクティブ型有機発光表示装置。 - 請求項1または2に記載の有機発光表示装置において、
前記上部電極は酸化インジウムを含む透明電極である有機発光表示装置。 - 請求項1ないし3のいずれか一項に記載の有機発光表示装置において、
前記バッファ層は比抵抗が1×107Ω・cm以下の酸化物からなり、膜厚は5nm〜50nmである有機発光表示装置。 - 請求項1ないし4のいずれか一項に記載の有機発光表示装置において、
前記電子供与性ドーパントはリチウム,マグネシウム,カルシウム,ストロンチウム,バリウム,マグネシウム,アルミニウム,アルカリ金属化合物,アルカリ土類金属化合物,希土類金属化合物,アルカリ金属イオンを含有する有機金属錯体,アルカリ土類金属イオンを含有する有機金属錯体または希土類金属イオンを含有する有機金属錯体を含む有機発光表示装置。 - 請求項1ないし5のいずれか一項に記載の有機発光表示装置において、
絶縁膜を有し、
前記絶縁膜は前記下部電極のエッジを覆う有機発光表示装置。
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