- 专利标题： ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
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申请号： US17657413申请日： 2022-03-31
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公开(公告)号： US20220336748A1公开(公告)日： 2022-10-20
- 发明人: Hsiao-Fan CHEN , Tongxiang LU , Elena SHEINA
- 申请人： UNIVERSAL DISPLAY CORPORATION
- 申请人地址： US NJ Ewing
- 专利权人： UNIVERSAL DISPLAY CORPORATION
- 当前专利权人： UNIVERSAL DISPLAY CORPORATION
- 当前专利权人地址： US NJ Ewing
- 主分类号： H01L51/00
- IPC分类号： H01L51/00 ; C07F5/02 ; C09K11/06
摘要：
Provided are compounds having the structure of Formula I: Formula I;
wherein A is B, Al, Bi, or is not present; and L1-L4 are each independently selected from the group consisting of O, S, Se, NR, BR, BRR′, CRR′, SiRR′, GeRR′, P(O)R, and C═X; and L3 and L4 are each optionally present; wherein each R, R′, R″, R″″, RA, RB, RC, RD, RE, RF, and RG is hydrogen or a substituent; and any two adjacent R, R′, R″, R″″, RA, RB, RC, RD, RE, RF, and RG can be joined or fused to form a ring. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.
wherein A is B, Al, Bi, or is not present; and L1-L4 are each independently selected from the group consisting of O, S, Se, NR, BR, BRR′, CRR′, SiRR′, GeRR′, P(O)R, and C═X; and L3 and L4 are each optionally present; wherein each R, R′, R″, R″″, RA, RB, RC, RD, RE, RF, and RG is hydrogen or a substituent; and any two adjacent R, R′, R″, R″″, RA, RB, RC, RD, RE, RF, and RG can be joined or fused to form a ring. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.
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