中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

131 records (took 0.029 seconds)

    Organic electroluminescent materials and devices
    5.
    发明授权
    Organic electroluminescent materials and devices 有权

    公开(公告)号：US10957858B2

    公开(公告)日：2021-03-23

    申请号：US16385083

    申请日：2019-04-16

    Applicant: Universal Display Corporation

    Inventor： Jason Brooks ,  Chuanjun Xia ,  Raymond Kwong ,  James Fiordeliso

    IPC: H01L51/50 ,  H01L51/00 ,  C07C15/38 ,  C07D307/91 ,  C07D333/76 ,  C07D409/04 ,  C09K11/06 ,  H05B33/14 ,  C09B57/00 ,  C09K11/02

    Abstract: A compound having the structure of Formula I is disclosed. In the structure of Formula I, each of R1, R2, and R3 is independently a hydrogen, a non-fused aryl group having one meta-substituent, or a non-fused heteroaryl six-membered ring having one or more meta-substituents; each meta-substituent is a non-fused aryl or non-fused heteroaryl six-membered ring optionally substituted with further substituents selected from the group consisting of non-fused aryl groups, non-fused heteroaryl groups, and alkyl groups; and at least one of R1, R2, and R3 is a non-fused aryl having one meta-substituent or a heteroaryl six-membered ring having at least one meta-substituent, wherein each meta-substituent is a non-fused aryl or non-fused heteroaryl group further substituted with a chain of at least two non-fused aryl or non-fused heteroaryl groups. The compounds may be useful in phosphorescent organic light emitting devices.

    HOST MATERIALS FOR ELECTROLUMINESCENT DEVICES
    8.
    发明申请
    HOST MATERIALS FOR ELECTROLUMINESCENT DEVICES 审中-公开

    公开(公告)号：US20200168812A1

    公开(公告)日：2020-05-28

    申请号：US16683507

    申请日：2019-11-14

    Applicant: UNIVERSAL DISPLAY CORPORATION

    Inventor： Peter Wolohan ,  Tyler Fleetham ,  Jason Brooks ,  Rasha Hamze ,  Nicholas J. Thompson

    IPC: H01L51/00 ,  C09K11/02 ,  C09K11/06 ,  C07D403/14

    Abstract: A compound of Formula I: wherein ring A is a 5-membered or 6-membered aromatic ring; wherein RA, RB, and RC each independently represent mono to the maximum allowable substitution, or no substitution; wherein Y1 is absent or present, and when present is selected from the group consisting of a direct bond, O, S, Se, CRR′, NR, SiRR′, and BR; wherein each X1-X3 is N or CR; wherein at least one of X1-X3 is N; wherein each A1-A5 is independently C or N; wherein the maximum number of N atoms that can connect to each other within each ring is two; wherein each R1, R2, R3, and R4 is independently selected from the group consisting of alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, aryl, heteroaryl, and combinations thereof; wherein each R, R′, RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; and wherein any two substituents may be joined or fused together to form a ring.

Patent Agency Ranking