Material for organic electroluminescence device, and organic electroluminescence device

Patent metadata

Field	Value
Publication number	US-9368728-B2
Application number	US-201113092487-A
Country	US
Kind code	B2
Filing date	Apr 22, 2011
Priority date	Apr 23, 2010
Publication date	Jun 14, 2016
Grant date	Jun 14, 2016

Abstract

There is provided a material for an organic electroluminescence device, which is a chrysene skeletal structure-containing diarylamine-based organic material as defined in the specification used for deposition of any layer of at least one organic layer contained in an organic electroluminescence device, wherein the water content ratio before deposition as measured by the Karl Fischer's method is from 100 to 1,000 ppm.

First claim

What is claimed is:

1. A method for manufacturing an organic electroluminescence device, comprising:
(i) obtaining a material component having a water content from 100 to 1,000 ppm as measured by the Karl Fischer's method, the material component further comprising a compound of formula (I):

wherein each of A 1 to A 4 independently represents an alkyl group, a cycloalkyl group, an aryl group, a heteroaryl group, a cyano group, a fluorine atom, an alkoxy group, a phenoxy group or an amino group; and
each of m 1 to m 4 independently represents an integer of 0 to 5, and when m 1 to m 4 is 2 or more, a plurality of A 1 's, a plurality of A 2 's, a plurality of A 3 's and a plurality of A 4 's may be the same as or different respectively, and a plurality of A 1 's, a plurality of A 2 's, a plurality of A 3 's and a plurality of A 4 's may combine with each other to form a ring respectively;
(ii) heating the material component to thereby sublimate the material component; and
(iii) depositing the sublimated material component into at least one organic layer of an organic electroluminescence device, wherein the at least one organic layer is disposed between a pair of electrodes.

2. A light emission apparatus, comprising an organic electroluminescence device formed according to the method of claim 1 .

3. A display apparatus, comprising an organic electroluminescence device formed according to the method of claim 1 .

4. An illumination apparatus, comprising an organic electroluminescence device formed according to the method of claim 1 .

5. The method according to claim 1 wherein said heating step is performed at a temperature ranging from 200° C. to 400° C.

6. The method of claim 1 , wherein each of A 1 to A 4 independently represents a methyl group, an ethyl group, an n-propyl group, an isopropyl group, an n-butyl group, an isobutyl group, a sec-butyl group, a tert-butyl group or a neopentyl group.

7. The method of claim 1 , wherein each of m 1 to m 4 is 1.

8. The method of claim 1 , wherein each of A 1 to A 4 is independently a methyl group or an isopropyl group.

9. The method of claim 1 , wherein the compound represented by formula (I) is the following compound

10. An organic electroluminescence device formed according to the method of claim 1 .

Assignees

• Ise Toshihiro
• Udc Ireland Ltd

Inventors

• Ise Toshihiro

Classifications

• H10K59/877

  comprising scattering means · CPC title

• H10K59/876

  comprising a resonant cavity structure, e.g. Bragg reflector pair · CPC title

• H10K59/873

  Encapsulations · CPC title

• H10K59/8722

  Peripheral sealing arrangements, e.g. adhesives, sealants · CPC title

• H10K71/40

  Thermal treatment, e.g. annealing in the presence of a solvent vapour · CPC title