Processing

Please wait...

Settings

Settings

Goto Application

1. WO2018062278 - LIGHT-EMITTING ELEMENT, AND COMPOSITION USEFUL FOR MANUFACTURING LIGHT-EMITTING ELEMENT

Publication Number WO/2018/062278
Publication Date 05.04.2018
International Application No. PCT/JP2017/034966
International Filing Date 27.09.2017
IPC
H01L 51/50 2006.1
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)
CPC
H01L 2251/5376
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
2251Indexing scheme relating to organic semiconductor devices covered by group H01L51/00
50Organic light emitting devices
53Structure
5376Combination of fluorescent and phosphorescent emission
H01L 2251/55
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
2251Indexing scheme relating to organic semiconductor devices covered by group H01L51/00
50Organic light emitting devices
55characterised by parameters
H01L 51/0003
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
H01L 51/0034
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
H01L 51/0035
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
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
Applicants
  • 住友化学株式会社 SUMITOMO CHEMICAL COMPANY, LIMITED [JP]/[JP]
Inventors
  • 佐々田 敏明 SASADA, Toshiaki
  • 松本 龍二 MATSUMOTO, Ryuji
  • 吉田 大泰 YOSHIDA, Tomoyasu
Agents
  • 中山 亨 NAKAYAMA, Tohru
  • 坂元 徹 SAKAMOTO, Toru
Priority Data
2016-19084229.09.2016JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) LIGHT-EMITTING ELEMENT, AND COMPOSITION USEFUL FOR MANUFACTURING LIGHT-EMITTING ELEMENT
(FR) ÉLÉMENT ÉLECTROLUMINESCENT ET COMPOSITION SERVANT À LA FABRICATION DE L'ÉLÉMENT ÉLECTROLUMINESCENT
(JA) 発光素子及び該発光素子の製造に有用な組成物
Abstract
(EN) Provided is a light-emitting element having excellent external quantum efficiency. A light-emitting element having an anode, a cathode, a first organic layer provide between the anode and the cathode, and a second organic layer provided between the anode and the cathode, wherein the first organic layer contains a compound (T) in which the absolute value of the difference between the energy level in the lowest triplet excited state and the energy level in the lowest singlet state is 0.5 eV, the first organic layer not containing a phosphorescence-emitting metal complex, and the second organic layer contains a crosslinked body of a polymer compound including a crosslinking constituent unit, the energy level of the lowest triplet excited state of the polymer compound being 2.25 eV or higher.
(FR) L'invention porte sur un élément électroluminescent qui présente un excellent rendement quantique externe et qui présente : une anode ; une cathode ; une première couche organique disposée entre l'anode et la cathode, et une seconde couche organique disposée entre l'anode et la cathode, la première couche organique comportant un composé (T) dont la valeur absolue de la différence entre le niveau d'énergie dans l'état excité triplet minimal et le niveau d'énergie dans l'état singulet minimal est de 0,5 eV, mais ne comportant pas de complexe métallique émettant la lumière phosphorescente, et la seconde couche organique comportant un corps réticulé d'un composé polymère qui comprend un motif constitutif de réticulation et dont le niveau d'énergie dans l'état excité triplet minimal est supérieur ou égal à 2,25 eV.
(JA) 外部量子効率に優れる発光素子を提供する。 陽極と、陰極と、陽極及び陰極の間に設けられた第1の有機層と、陽極及び陰極の間に設けられた第2の有機層とを有する発光素子であって、 前記第1の有機層が、最低三重項励起状態のエネルギー準位と最低一重項励起状態のエネルギー準位との差の絶対値が0.5eV以下である化合物(T)を含有し、且つ、燐光発光性金属錯体を含有しない層であり、 前記第2の有機層が、架橋構成単位を含む高分子化合物の架橋体を含有する層であり、且つ、該高分子化合物の最低三重項励起状態のエネルギー準位が2.25eV以上である、発光素子。
Latest bibliographic data on file with the International Bureau