ORGANIC ELECTRONIC DEVICES COMPLETING (((Z)-3-(4-CYANO-3,5-BIS(TRIFLUOROMETHYL)PHENYL)-4-OXOPENT-2-EN-2-YL)OXY)COPPER(II) OR THE CORRESPONDING ALUMINUM(III) OR IRON(III) COMPLEXES OR SIMILAR COMPLEXES
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- NOVALED GMBH
- Filing Date
- 2022-06-15
- Publication Date
- 2026-06-17
AI Technical Summary
Existing organic light-emitting diodes (OLEDs) face challenges in achieving improved operating voltage, lifetime, current efficiency, and thermal stability, particularly in the semiconductor layers such as hole injection and transport layers, which are crucial for balanced hole and electron injection and recombination.
The introduction of a semiconductor layer comprising a metal compound with a specific formula, featuring a coordinating linker and ligand fragments with a directed dipole moment, arranged between anode layers and light-emitting layers, enhances the performance of OLEDs by facilitating balanced charge injection and improved thermal stability, suitable for vacuum thermal evaporation in mass production.
The solution results in reduced operating voltage, enhanced current efficiency, and prolonged device lifetime, making the OLEDs more suitable for mass production and commercial applications.