Patent application EP20179629A (EP), filed 2020-06-12
Publication number: EP3750971A1
Title: ORGANIC ELECTROLUMINESCENT DEVICE
Abstract: Disclosed is an organic electroluminescent device that employs a compound represented by Formula A-1 or A-2:and a compound represented by Formula B:The organic electroluminescent device has excellent luminescent properties such as high color purity and long lifetime.
IPC codes: C09K  11/    06            A I
H10K  99/    00            A I
Claims: number: 1
text: An organic electroluminescent device comprising a first electrode, a second electrode opposite to the first electrode, and a light emitting layer interposed between the first and second electrodes wherein the light emitting layer comprises a compound represented by Formula A-1 or A-2:
number: 2
text: The organic electroluminescent device according to claim 1, wherein at least one of R<6> to R<13> in Formula B is deuterium.
number: 3
text: The organic electroluminescent device according to claim 1, wherein at least one of R<1> to R<5> in Formula B is deuterium and at least one of R<6> to R<13> in Formula B is deuterium.
number: 4
text: The organic electroluminescent device according to claim 1, wherein the compound of Formula A-1 or A-2 has a structure represented by Formula A-3 or A-4:
number: 5
text: The organic electroluminescent device according to claim 1, wherein the compound of Formula A-1 or A-2 has a structure represented by Formula A-5 or A-6:
number: 6
text: The organic electroluminescent device according to claim 1, wherein the compound represented by Formula A-1 or A-2 is selected from the compounds of Formulae A1 to A176:
number: 9
text: The organic electroluminescent device according to claim 8, wherein Ar<9> in Formula C is represented by Formula C-1:
number: 10
text: The organic electroluminescent device according to claim 8, wherein compound of Formula C is selected from the compounds of Formulae C1 to C48:
number: 12
text: The organic electroluminescent device according to claim 11, wherein at least one of Ar<31> to Ar<34> is represented by Formula E:
number: 13
text: The organic electroluminescent device according to claim 11, wherein the compound of Formula D is selected from the compounds of Formulae D1 to D79:
number: 16
text: The organic electroluminescent device according to claim 15, wherein the compound of Formula F is selected from the compounds of Formulae F1 to F33:
Office action: search_report, dated 2020-12-16
Prior art cited: ref_id: US2018301629A1
ref_type: patent
severity: background
ref_id: EP3109253A1
ref_type: patent
severity: background
ref_id: WO2017188111A1
ref_type: patent
severity: background
ref_id: EP3660024A1
ref_type: patent
severity: background
ref_id: EP3109253
ref_type: patent
severity: background
ref_id: WO2017188111
ref_type: patent
severity: background
ref_id: US2018301629
ref_type: patent
severity: background
ref_id: EP3660024
ref_type: patent
severity: background
Final disposition: pending (2020-12-16)