Organic material, light-emitting element, light-emitting device, electronic appliance, and lighting device

Patent metadata

Field	Value
Publication number	US-9159934-B2
Application number	US-201313905720-A
Country	US
Kind code	B2
Filing date	May 30, 2013
Priority date	Jun 1, 2012
Publication date	Oct 13, 2015
Grant date	Oct 13, 2015

Abstract

A novel organic material with fewer impurities, a light-emitting element including the organic material, and a light-emitting device, an electronic appliance, and a lighting device each of which includes the light-emitting element are provided. The organic material is obtained by coupling an aryl halide and an aryl boronic acid or an aryl boronic acid ester. The aryl boronic acid or the aryl boronic acid ester includes at least one of a first impurity in which a boryl group of the aryl boronic acid or the aryl boronic acid ester is substituted by hydrogen and a second impurity in which a molecular mass of 16 or 17 is added to the molecular mass of the first impurity. The concentration of an impurity other than the first impurity and the second impurity is 1% or lower.

First claim

What is claimed is:

1. A method for manufacturing a light-emitting element comprising the steps of:
forming a first electrode;
forming a second electrode; and
forming an EL layer including an organic compound between the first electrode and the second electrode,
wherein the organic compound is prepared by coupling an aryl halide and an aryl boronic acid or an aryl boronic acid ester, and

wherein the aryl boronic acid or the aryl boronic acid ester is purified by treatment…

Assignees

• Semiconductor Energy Lab

Inventors

• Inoue Hideko
• Kitano Yasushi
• Hamada Takao
• Seo Satoshi
• Suzuki Hiroki
• Kubota Tomohiro

Classifications

• H01L51/0072 Primary

  Electricity · mapped topic

• H01L51/006

  Electricity · mapped topic

• H01L51/0074

  Electricity · mapped topic

• H01L2251/308

  Electricity · mapped topic

• H01L51/0085

  Electricity · mapped topic