Charge transport material and organic electroluminescent element
The use of a charge transport material with specific ionic compounds and polymers with polymerizable functional groups addresses solvent resistance issues in organic electronics devices, improving layer lamination and device performance.
WO2026141412A1PCT designated stage Publication Date: 2026-07-02RESONAC CORP
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- RESONAC CORP
- Filing Date
- 2025-12-23
- Publication Date
- 2026-07-02
AI Technical Summary
Technical Problem
Existing organic electronics devices face challenges in laminating organic layers due to solvent resistance issues during the film formation of upper layers, which affect device performance.
Method used
A charge transport material comprising an ionic compound with specific cations and a charge-transporting polymer having polymerizable functional groups is used, along with an ink composition, to form an organic layer with excellent solvent resistance.
Benefits of technology
The solution enables the formation of an organic layer with improved solvent resistance, enhancing the laminating process and overall device performance.
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Abstract
One embodiment of the present invention relates to a charge transport material containing: an ionic compound containing a cation including at least one structure selected from the group consisting of a pyridine ring, a quinoline ring, an isoquinoline ring, and an acridine ring; and a charge transport polymer having a polymerizable functional group.
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