Invention Grant
- Patent Title: Charge transporting material, organic electroluminescent element, light emitting device, display device and illumination device
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Application No.: US17239851Application Date: 2021-04-26
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Publication No.: US11800798B2Publication Date: 2023-10-24
- Inventor: Kousuke Watanabe
- Applicant: UDC IRELAND LIMITED
- Applicant Address: IE Dublin
- Assignee: UDC IRELAND LIMITED
- Current Assignee: UDC IRELAND LIMITED
- Current Assignee Address: IE Dublin
- Agency: Riverside Law LLP
- Priority: JP 12116660 2012.05.22
- Main IPC: H01L51/00
- IPC: H01L51/00 ; H05B33/14 ; C07D471/06 ; H10K85/60 ; H10K50/11 ; H10K85/30 ; H10K101/10 ; H10K102/10
Abstract:
A charge transporting material which allows for a low driving voltage and is superior in luminous efficiency and durability is provided. The charge transporting material comprising a compound represented by any one of the general formula (1-1) to (1-3) wherein R111 to R114, R121 to R125 and R131 to R135, L111 to L113, and L121 to L123 are as defined in the specification. Ar111 to Ar113 represent a substituent represented by any one of the general formulae (3-1) to (3-3); * represents a binding position to L121 to L123; and R311, R312, R321 to R325 and R331 to R335 are as defined in the specification:
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