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1. WO2011007849 - LIQUID COLUMN COATING INK, ORGANIC EL ELEMENT PRODUCTION METHOD, AND ORGANIC EL DEVICE PROVIDED WITH SAID ORGANIC EL ELEMENT

Publication Number WO/2011/007849
Publication Date 20.01.2011
International Application No. PCT/JP2010/062021
International Filing Date 09.07.2010
IPC
H01L 51/50 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
H05B 33/10 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
33Electroluminescent light sources
10Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
H05B 33/12 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
33Electroluminescent light sources
12Light sources with substantially two-dimensional radiating surfaces
H05B 33/22 2006.01
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
33Electroluminescent light sources
12Light sources with substantially two-dimensional radiating surfaces
22characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
CPC
H01L 51/0005
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
0001Processes specially adapted for the manufacture or treatment of devices or of parts thereof
0002Deposition of organic semiconductor materials on a substrate
0003using liquid deposition, e.g. spin coating
0004using printing techniques, e.g. ink-jet printing, screen printing
0005ink-jet printing
H01L 51/0007
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
0001Processes specially adapted for the manufacture or treatment of devices or of parts thereof
0002Deposition of organic semiconductor materials on a substrate
0003using liquid deposition, e.g. spin coating
0007characterised by the solvent
H01L 51/0039
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
0032Selection of organic semiconducting materials, e.g. organic light sensitive or organic light emitting materials
0034Organic polymers or oligomers
0035comprising aromatic, heteroaromatic, or arrylic chains, e.g. polyaniline
0039Polyeflurorene and derivatives
H01L 51/5012
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
51Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
50specially adapted for light emission, e.g. organic light emitting diodes [OLED] or polymer light emitting devices [PLED]
5012Electroluminescent [EL] layer
H05B 33/20
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
33Electroluminescent light sources
12Light sources with substantially two-dimensional radiating surfaces
20characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
Applicants
  • 住友化学株式会社 SUMITOMO CHEMICAL COMPANY, LIMITED [JP]/[JP] (AllExceptUS)
  • 合田匡志 GODA, Tadashi [JP]/[JP] (UsOnly)
Inventors
  • 合田匡志 GODA, Tadashi
Agents
  • 中山亨 NAKAYAMA, Tohru
Priority Data
2009-16940317.07.2009JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) LIQUID COLUMN COATING INK, ORGANIC EL ELEMENT PRODUCTION METHOD, AND ORGANIC EL DEVICE PROVIDED WITH SAID ORGANIC EL ELEMENT
(FR) ENCRE DE REVÊTEMENT DE COLONNE DE LIQUIDE, PROCÉDÉ DE PRODUCTION D'ÉLÉMENT ÉLECTROLUMINESCENT ORGANIQUE ET DISPOSITIF ÉLECTROLUMINESCENT ORGANIQUE MUNI DUDIT ÉLÉMENT
(JA) 液柱塗布用インクおよび有機EL素子の製造方法、並びに該有機EL素子を有する有機EL装置
Abstract
(EN)
Disclosed is a liquid column coating ink that comprises organic EL materials and a solvent with a viscosity in the range of 2.5 cP to 10 cP and a boiling point in the range of 210°C to 290°C. The formation of an optimum organic EL layer is possible by using the ink to perform liquid column coating, such as in the nozzle printing method, upon box-shaped partitions in particular. The formed organic EL layer has less nonuniformity in the film thickness between pixels and high uniformity in the film thickness within the pixels. As a result, nonuniformity in the display is suppressed, and a high quality organic EL element with superior luminescence properties is achieved.
(FR)
La présente invention concerne une encre de revêtement de colonne de liquide qui comprend des matériaux électroluminescents organiques et un solvant dont la viscosité se situe dans la plage comprise entre 2,5 cP et 10 cP et présentent un point d'ébullition figurant dans la plage comprise entre 210 °C et 290 °C. La formation d'une couche électroluminescente organique optimum est possible grâce à l'utilisation de l'encre pour réaliser un revêtement de colonne de liquide, comme dans le procédé d'impression par buse, notamment sur des cloisonnages en forme de boîte. La couche électroluminescente organique formée permet de réduire le manque d'uniformité de l'épaisseur du film dans les pixels et d'assurer une forte uniformité de l'épaisseur du film dans les pixels. Par conséquent, l'absence d'uniformité de l'affichage est supprimée et un élément électroluminescent organique haute qualité présentant des propriétés de luminescence supérieures est obtenu.
(JA)
有機EL材料と、2.5cP以上10cP以下の粘度および210℃以上290℃以下の沸点を有する溶媒とを含む液柱塗布用インク。本発明のインクを用いて、特にボックス形状の隔壁に対して、ノズルプリンティング法などの液柱塗布を行うことにより、好適な有機EL層の形成が可能である。形成された有機EL層は画素間の膜厚むらが小さく、かつ画素内の膜厚均一性が高い。結果的に、表示むらが抑制され、発光特性に優れた高品位な有機EL素子を提供することができる。
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