Patent application EP20179471A (EP), filed 2020-06-11
Publication number: EP3750898A1
Title: ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND DIAGNOSTIC COMPOSITION INCLUDING THE ORGANOMETALLIC COMPOUND
Abstract: Provided are an organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound.         <Formula 1>     M<sub>1</sub>(L<sub>11</sub>)<sub>n11</sub>(L<sub>12</sub>)<sub>n12</sub>L<sub>11</sub> in Formula 1 is a ligand represented by Formula 1-1, the organometallic compound comprises at least one cumyl group, and the other substituents are the same as described in connection with the detailed description of the specification:
IPC codes: C07F  15/    00            A I
C09K  11/    06            A I
H10K  99/    00            A I
Claims: number: 1
text: An organometallic compound represented by Formula 1:
number: 2
text: The organometallic compound of claim 1, wherein M<1> is Pt, Pd, or Au; and/or
wherein A<10> is each independently A10-1 to A10-20:
number: 3
text: The organometallic compound of claims 1 or 2, wherein A<20>, A<30>, and A<40> are each independently:
number: 4
text: The organometallic compound of any of claims 1-3, wherein at least one of E<21> to E<25> is a cumyl group; and/or
wherein a bond between M<1> and A<10> is a coordination bond,
a bond between M<1> and A<20> is a covalent bond,
a bond between M<1> and A<30> is a covalent bond, and
a bond between M<1> and A<40> is a coordination bond.
number: 5
text: The organometallic compound of any of claims 1-4, wherein L<1> and L<2> are each independently:
number: 6
text: The organometallic compound of any of claims 1-5, wherein R<1> to R<4>, R<11>, R<12>, R<20>, R<30>, and R<40> are each independently:
number: 7
text: The organometallic compound of any of claims 1-6, wherein R<1> to R<4>, R<11>, R<12>, R<20>, R<30> and R<40> are each independently hydrogen, deuterium, one of Formulae 9-1 to 9-19 or one of 10-1 to 10-195:
number: 8
text: The organometallic compound of any of claims 1-7, wherein at least one of Ar<1>, R<1> to R<4>, R<11>, R<12>, R<20>, R<30>, and R<40> comprises a cumyl group.
number: 9
text: The organometallic compound of any of claims 1-8, wherein the organometallic compound represented by Formula 1 is represented by one of Formulae 2-1 to 2-4:
number: 10
text: The organometallic compound of claim 1, wherein the organometallic compound is one of compounds 1 to 108:
number: 12
text: The organic light-emitting device of claim 11, wherein the first electrode is an anode,
the second electrode is a cathode,
the organic layer further comprises a hole transport region between the first electrode and the emission layer and an electron transport region between the emission layer and the second electrode,
the hole transport region comprises a hole injection layer, a hole transport layer, an electron blocking layer, or any combination thereof, and
the electron transport region comprises a hole blocking layer, an electron transport layer, an electron injection layer, or any combination thereof.
number: 13
text: The organic light-emitting device of claims 11 or 12, wherein the organometallic compound is included in the emission layer.
number: 14
text: The organic light-emitting device of claim 13, wherein the emission layer further comprises a host and the amount of the host is greater than the amount of the organometallic compound; and/or
wherein the emission layer further comprises a fluorescent dopant; and/or
wherein the emission layer emits blue light having a maximum luminescence wavelength of 410 nm to 490 nm.
number: 15
text: A diagnostic composition comprising at least one organometallic compound of any of claims 1-10.
Office action: search_report, dated 2020-12-16
Prior art cited: ref_id: US2019119312A1
ref_type: patent
severity: background
ref_id: US2019119312
ref_type: patent
severity: background
Final disposition: pending (2020-12-16)