Patent application EP20179489A (EP), filed 2020-06-11
Publication number: EP3750899A1
Title: ORGANOMETALLIC COMPOUND, ORGANIC LIGHT-EMITTING DEVICE INCLUDING THE SAME, AND DIAGNOSTIC COMPOSITION INCLUDING THE ORGANOMETALLIC COMPOUND
Abstract: [0001]    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<1>(L<11>)<n11>(L<12>)<n12>
wherein L<11> in Formula 1 is a ligand represented by Formula 1-1, and the descriptions of other substituents are the same as described in the detailed description of the present application:

<img class="EMIRef" id="685363086-ia01" />
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 one of A10-1 to A10-4:
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 E<11> to E<15> are each independently:
number: 5
text: The organometallic compound of any of claims 1-4, wherein E<16> and E<17> are each independently:
number: 6
text: The organometallic compound of any of claims 1-5, 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: 7
text: The organometallic compound of any of claims 1-6, wherein L<1> and L<2> are each independently:
number: 8
text: The organometallic compound of any of claims 1-7, wherein R<1> to R<4>, R<11>, R<12>, R<20>, R<30>, and R<40> are each independently:
number: 9
text: The organometallic compound of any of claims 1-8, wherein R<1> to R<4>, R<11>, R<12>, R<20>, R<30>, and R<40> are each independently one of hydrogen, deuterium, and Formulae 9-1 to 9-19 and 10-1 to 10-195:
number: 10
text: The organometallic compound of any of claims 1-9, wherein the organometallic compound represented by Formula 1 is represented by Formula 2-1 or 2-2:
number: 11
text: The organometallic compound of claim 1, wherein the organometallic compound is one of compounds 1 to 428:
number: 13
text: The organic light-emitting device of claim 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 1-11.
Office action: search_report, dated 2020-12-16
Rejection reasons: novelty_epc_54
Prior art cited: ref_id: US2019036042A1
ref_type: patent
severity: background
ref_id: US2018182981A1
ref_type: patent
severity: background
ref_id: US2018182981
ref_type: patent
severity: background
ref_id: US2019036042
ref_type: patent
severity: novelty_destroying
Final disposition: pending (2020-12-16)