IP Library Granted Patent US 9,005,774
Granted Patent B2
US 9,005,774 · App. 13/215,102 · Granted Apr 14, 2015

Organic light emitting diode device

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Quick Facts
Patent No.
US 9,005,774
App. No.
13/215,102
Granted
Apr 14, 2015
Kind
B2
Abstract

In one aspect, an organic light emitting diode device that includes a first electrode, a second electrode facing the first electrode, an emission layer interposed between the first electrode and the second electrode and an auxiliary layer interposed between either one of the first electrode and the second electrode and the emission layer, wherein the auxiliary layer includes a substituted or unsubstituted pyrene-based compound having at least one appended phenyl group is provided.

Claims (14)

1. An organic light emitting diode device, comprising

a first electrode;

a second electrode facing the first electrode;

an emission layer interposed between the first electrode and the second electrode; and

an auxiliary layer interposed between either one of the first electrode and the second electrode and the emission layer,

wherein the auxiliary layer is a single layer, and

wherein the auxiliary layer is a mixture of: i) an inorganic compound having the following structure:

and

ii) a compound having the following structure:

2. The organic light emitting diode device of claim 1 , wherein

and the inorganic compound are mixed in a weight ratio of about 1:100 to about 100:1.

3. The organic light emitting diode device of claim 1 , wherein

and the inorganic compound are mixed in a weight ratio of 1:1 to 1:2.

4. The organic light emitting diode device of claim 1 , wherein the auxiliary layer comprises an electron transport layer (ETL).

Assignments (2)
MERGER Recorded Aug 31, 2012
From: SAMSUNG MOBILE DISPLAY CO., LTD.
To: SAMSUNG DISPLAY CO., LTD.
Reel/Frame 028921/0334 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 22, 2011
From: PARK, MIE-HWA; KIM, TAE-SHICK
To: SAMSUNG MOBILE DISPLAY CO., LTD.
Reel/Frame 026788/0971 →