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Patent Searching and Data


Title:
ORGANIC ELECTROLUMINESCENT ELEMENT
Document Type and Number:
WIPO Patent Application WO/2021/065491
Kind Code:
A1
Abstract:
Provided are an organic EL element having high efficiency and high operation stability and a material suited thereto. An organic EL element-use material according to the present invention is an oligopyridine compound represented by general formula (1). The organic EL element according to the present invention advantageously contains the oligopyridine compound in a light-emitting layer or a hole-blocking layer. In the formula: R and R' respectively represent a hydrogen, an aliphatic hydrocarbon group, an aromatic hydrocarbon group, or an aromatic heterocyclic group; at least one X represents N; and a + b + c ≥ 3.

Inventors:
OGAWA Junya (13-1, Nihonbashi 1-chome, Chuo-k, Tokyo 27, JP)
KITAHARA Ikumi (13-1, Nihonbashi 1-chome, Chuo-k, Tokyo 27, JP)
Application Number:
JP2020/034992
Publication Date:
April 08, 2021
Filing Date:
September 16, 2020
Export Citation:
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Assignee:
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD. (Nihonbashi 1-chome Chuo-k, Tokyo 27, JP)
International Classes:
C09K11/06; H01L51/50
Attorney, Agent or Firm:
SASAKI Kazuya et al. (Marumori Bldg. 6-10, Nihonbashi Kodenma-cho, Chuo-k, Tokyo 01, JP)
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