Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jian Li0
Kody George Klimes0
Date of Patent
November 23, 2021
0Patent Application Number
158455750
Date Filed
December 18, 2017
0Patent Citations Received
0
0
...
Patent Primary Examiner
Patent abstract
An organic light emitting diode (OLED) device includes an emissive layer having a first sublayer with a first emitter as a dopant, a second sublayer with a second emitter as a dopant, and a third sublayer with a third emitter as a dopant. The second sublayer is between the first sublayer and the third sublayer. A concentration of the first emitter in the first sublayer exceeds a concentration of the third emitter in the third sublayer, and the concentration of the third emitter in the third sublayer exceeds a concentration of the second emitter in the second sublayer.
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