Patent application EP20179492A (EP), filed 2020-06-11
Publication number: EP3750900A1
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, and other substituents are the same as described in 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<20>, A<30>, and A<40> are each independently:
a benzene group, a naphthalene group, an anthracene group, a phenanthrene group, a triphenylene group, a pyrene group, a chrysene group, a cyclopentadiene group, a 1,2,3,4-tetrahydronaphthalene group, a furan group, a thiophene group, a silole group, an indene group, a fluorene group, an indole group, a carbazole group, a benzofuran group, a dibenzofuran group, a benzothiophene group, a dibenzothiophene group, a benzosilole group, a dibenzosilole group, an azafluorene group, an azacarbazole group, an azadibenzofuran group, an azadibenzothiophene group, an azadibenzosilole group, a pyridine group, a pyrimidine group, a pyrazine group, a pyridazine group, a triazine group, a quinoline group, an isoquinoline group, a quinoxaline group, a quinazoline group, a phenanthroline group, a pyrrole group, a pyrazole group, an imidazole group, a triazole group, a tetrazole group, an oxazole group, an isooxazole group, a thiazole group, an isothiazole group, an oxadiazole group, a thiadiazole group, a benzopyrazole group, a benzimidazole group, an indazole group, a benzoxazole group, a benzothiazole group, a benzoxadiazole group, a benzothiadiazole group, a benzotriazole group, a diazaindene group, a triazaindene group, a 5,6,7,8-tetrahydroisoquinoline group, or a 5,6,7,8-tetrahydroquinoline group.
number: 3
text: The organometallic compound of claims 1 or 2, wherein E<1> is:
number: 4
text: The organometallic compound of any of claims 1-3, wherein Ar<1> is a group represented by one of Formulae 3-1 to 3-37:
number: 5
text: The organometallic compound of any of claims 1-4, wherein 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: 6
text: The organometallic compound of any of claims 1-5, wherein T<1> is a single bond, *-N[(L<1>)<a1>-(R<1>)<b1>]-*', *-B(R<1>)-*', *-C(R<1>)(R<2>)-*', *-Si(R<1>)(R<2>)-*', *-O-*', or *-S-*', and
T2 is a single bond, *-N[(L<2>)<a2>-(R<3>)<b3>]-*', *-C(R<3>)(R<4>)-*', *-Si(R<3>)(R<4>)-*', *-O-*', or *-S-*'.
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> to R<14>, R<20>, R<30> and R<40> are each independently:
number: 9
text: The organometallic compound of any of claims 1-8, wherein R<20> is not hydrogen; or
wherein R<20> is one of Formulas 9-1 to 9-19 and 10-1 to 10-194:
number: 10
text: The organometallic compound of any of claims 1-9, wherein the organometallic compound represented by Formula 1 is represented by one of Formulae 2-1 and 2-2:
number: 11
text: The organometallic compound of claim 1, wherein the organometallic compound is one of Compounds 1 to 325:
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 emission 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
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)