← EPO Patent Bulletin

NITROGENOUS COMPOUNDS FOR ORGANIC ELECTROLUMINESCENT DEVICES

Publication EP4263543A1 Kind: A1 Mar 18, 2026

Applicants

UDC Ireland Limited

Inventors

STOESSEL, Philipp

IPC Classifications

C07D 471/16 20060101AFI20220624BHEP C07D 487/04 20060101ALI20220624BHEP C07D 487/16 20060101ALI20220624BHEP C07D 487/22 20060101ALI20220624BHEP C07D 491/16 20060101ALI20220624BHEP C07D 491/22 20060101ALI20220624BHEP H01L 51/00 20060101ALI20220624BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR