Encapsulated structure of light-emitting device, encapsulating process thereof and display device comprising encapsulated structure

Patent metadata

Field	Value
Publication number	US-9196864-B2
Application number	US-201314039513-A
Country	US
Kind code	B2
Filing date	Sep 27, 2013
Priority date	Sep 28, 2012
Publication date	Nov 24, 2015
Grant date	Nov 24, 2015

Abstract

An encapsulated structure of a light-emitting device, an encapsulating process thereof, and a display device comprising said encapsulated structure. The encapsulated structure of the light-emitting device comprises: a light-emitting device; and a protective layer of a sulfonate salt formed on a top electrode of the light-emitting device, the sulfonate salt having the following structure:

wherein the cation X + is Li + , Na + or K + ; and
R is a substituent selected from the group consisting of unsubstituted alkyl groups having more than 5 carbon atoms, substituted alkyl groups having more than 5 carbon atoms, and alkoxyl groups having more than 5 carbon atoms.

First claim

The invention claimed is:

1. An encapsulated structure of a light-emitting device, comprising,
a light-emitting device;
a protective layer of a sulfonate salt formed on a top electrode of the light-emitting device, the sulfonate salt having the following structure:

wherein the cation X + is Li + , Na + or K + ; and
R is a substituent, and
wherein, th…

Assignees

• Boe Technology Group Co Ltd

Inventors

• Li Na
• Park Hyoung Joon
• Wang Gang

Classifications

• H10K59/871

  Electricity · mapped topic

• H10K50/844

  Electricity · mapped topic

• H10K59/873 Primary

  Electricity · mapped topic

• H01L2251/5315

  Electricity · mapped topic

• H01L51/56

  Electricity · mapped topic