Heteocyclic compound, organic light-emitting device comprising same, and composition for organic layer of organic light-emitting device
Heterocyclic compounds with a phenyl linker between Fused Carbazole and Triazine, utilizing TSCT and deuterium substitution, address performance and lifespan issues in OLEDs by improving electron transfer and stability, resulting in lower voltage and higher efficiency.
Patent Information
- Application Number
- PCT/KR2025/017262
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2025-10-27
- Filing Date
- 2025-10-28
- Publication Date
- 2026-05-07
AI Technical Summary
Existing organic light-emitting diodes (OLEDs) face challenges in improving performance, efficiency, and lifespan due to limitations in the materials used for the organic thin films.
The development of heterocyclic compounds, specifically those with a phenyl linker between Fused Carbazole and Triazine, which facilitate Through-Space Charge Transfer (TSCT) and deuterium substitution, enhancing electron transfer capabilities and molecular stability, thereby improving driving voltage, luminous efficiency, and device lifespan.
The heterocyclic compounds with TSCT and deuterium substitution lower driving voltage, enhance luminous efficiency, and extend the lifespan of OLEDs, particularly in high refresh rate displays by reducing capacitance and improving electron mobility.