Compound having condensed polycyclic structure, organic thin film for light-receiving device, and light-receiving device
A compound with a fused polycyclic structure addresses the challenges of miniaturization, resolution, and light utilization in image sensors by enhancing charge transport and thermal stability in organic thin films, resulting in improved dark current characteristics and conversion efficiency.
Patent Information
- Application Number
- JP2024154975
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-09-12
- Filing Date
- 2024-09-09
- Publication Date
- 2025-03-25
AI Technical Summary
Existing image sensors face challenges in miniaturization, resolution, and light utilization due to the use of inorganic materials and prism-based systems, while organic materials offer potential but require improvements in charge transport, thermal stability, and dark current characteristics.
A compound with a fused polycyclic structure, represented by a specific general formula, is developed, which forms an organic thin film with excellent heat resistance, charge transport properties, and dark current characteristics, suitable for use as an electron blocking layer in photoreceptors.
The compound and its organic thin film significantly improve the dark current characteristics and conversion efficiency of photoreceptors, making them suitable for high-performance image sensors and optical sensors.