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Title:
ORGANIC LIGHT EMITTING DEVICE, AND DESIGN METHOD AND PROGRAM THEREOF
Document Type and Number:
WIPO Patent Application WO/2024/057844
Kind Code:
A1
Abstract:
In an organic light emitting device having a composition including a first host material, a second host material having a higher HOMO energy level than the first host material, a delayed fluorescent material, and a light emitting material, high luminous efficiency can be achieved by setting EHOMO(H2)-EHOMO(T) ≤ 0.33 eV. EHOMO(H2) and EHOMO(T) are the HOMO energy levels of the second host material and delayed fluorescent material, respectively.

Inventors:
YOSHIZAKI MAKOTO (JP)
OZAWA HIROAKI (JP)
CHO YONG JOO (JP)
KANAHARA KOUSEI (JP)
GAIHRE YUBA RAJ (JP)
Application Number:
PCT/JP2023/030160
Publication Date:
March 21, 2024
Filing Date:
August 22, 2023
Export Citation:
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Assignee:
KYULUX INC (JP)
International Classes:
H10K50/12; C09K11/06; H10K71/00; H10K85/60; H10K101/20; H10K101/30
Foreign References:
JP2021077889A2021-05-20
JP2016115734A2016-06-23
JP2019068068A2019-04-25
JP2022132140A2022-09-07
JP2019062184A2019-04-18
JP2020094049A2020-06-18
JP2022121032A2022-08-19
Attorney, Agent or Firm:
SIKS & CO. (JP)
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