Soulbrain Carbazole OLED Derivatives Patent EP4056564A1
Summary
The European Patent Office published patent application EP4056564A1 for Soulbrain Co., Ltd. on April 15, 2026. The patent covers 9-[4-[4-[4-(9-PHENANTHRENYL)PHENYL]-1,3,5-TRIAZIN-2-YL]PHENYL]-9H-CARBAZOLE and 9-[4-[6-[4-(9-PHENANTHRENYL)PHENYL]-4-PYRIMIDINYL]PHENYL]-9H-CARBAZOLE derivatives designed for use in organic light-emitting diodes (OLEDs). The inventors are JUNG Kwang Ju, HA Jong Jin, LEE Seok Jong, YOO Hyun Young, and SHIN Eun Chul.
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GovPing monitors EPO Patent Bulletin - Organic Chemistry (C07D) for new healthcare & life sciences regulatory changes. Every update since tracking began is archived, classified, and available as free RSS or email alerts — 63 changes logged to date.
What changed
The European Patent Office published patent application EP4056564A1 for Soulbrain Co., Ltd., covering novel carbazole and phenanthrenyl-phenyl derivatives classified under C07D 401/10, C07D 403/14, H10K 50/165, and H10K 85/60 — all relating to organic light-emitting diode (OLED) technology.
Manufacturers and developers in the OLED materials supply chain should monitor this publication when assessing freedom-to-operate for emissive layer and host material technologies. The patent designates all EPO member states including Germany, France, the United Kingdom, Italy, and the Netherlands.
Archived snapshot
Apr 26, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
9-[4-[4-[4-(9-PHENANTHRENYL)PHENYL]-1,3,5-TRIAZIN-2-YL]PHENYL]-9H-CARBAZOLE DERIVATIVES AND 9-[4-[6-[4-(9-PHENANTHRENYL)PHENYL]-4-PYRIMIDINYL]PHENYL]-9H-CARBAZOLE DERIVATIVES FOR USE IN OLEDS
Publication EP4056564A1 Kind: A1 Apr 15, 2026
Applicants
Soulbrain Co., Ltd.
Inventors
JUNG, Kwang Ju, HA, Jong Jin, LEE, Seok Jong, YOO, Hyun Young, SHIN, Eun Chul
IPC Classifications
C07D 401/10 20060101AFI20250620BHEP C07D 403/14 20060101ALI20250620BHEP H10K 50/165 20230101ALI20250620BHEP H10K 85/60 20230101ALI20250620BHEP
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
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