Title:
エンハンスメント層を有するＯＬＥＤデバイス
Document Type and Number:
Japanese Patent JP6799647
Kind Code:
B2
Abstract:
An OLED is disclosed that includes an enhancement layer having optically active metamaterials, or hyperbolic metamaterials, which transfer radiative energy from the organic emissive material to a non-radiative mode, wherein the enhancement layer is disposed over the organic emissive layer opposite from the first electrode, and is positioned no more than a threshold distance away from the organic emissive layer, wherein the organic emissive material has a total non-radiative decay rate constant and a total radiative decay rate constant due to the presence of the enhancement layer, and the threshold distance is where the total non-radiative decay rate constant is equal to the total radiative decay rate constant; and an outcoupling layer disposed over the enhancement layer, wherein the outcoupling layer scatters radiative energy from the enhancement layer to free space.
Inventors:
Nicholas Jay Thompson
Mark A. Bald
Michael s weaver
Binod M Menon
Mark A. Bald
Michael s weaver
Binod M Menon
Application Number:
JP2019148714A
Publication Date:
December 16, 2020
Filing Date:
August 14, 2019
Export Citation:
Assignee:
Universal Display Corporation
International Classes:
H05B33/02; H01L51/50; H05B33/12; H05B33/22; H05B33/26
Domestic Patent References:
| JP2015529959A | ||||
| JP2015507351A | ||||
| JP2017526119A |
Foreign References:
| WO2011052387A1 | ||||
| WO2014031421A1 | ||||
| WO2014020954A1 | ||||
| US20120224148 | ||||
| US20130153861 | ||||
| CN104813500A | ||||
| CN104115297A | ||||
| KR1020150046128A | ||||
| KR1020140107488A |
Attorney, Agent or Firm:
Koichi Hirota
Yoshihiro Nagare
Naoko Matsuda
Yoshihiro Nagare
Naoko Matsuda
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