IMAGE CAPTURE DEVICE
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- SONY SEMICON SOLUTIONS CORP
- Filing Date
- 2021-10-29
- Publication Date
- 2026-06-10
AI Technical Summary
Leakage current in capacitive elements during global shutter operations can cause signal degradation in image pickup devices, leading to reduced image quality.
The image pickup apparatus incorporates a first and second capacitor connected to an initialization switch, with one end of each capacitor and the initialization switch connected to a voltage source, and an amplification unit to reduce the effect of leakage current by aligning potential states and canceling out leakage currents.
This configuration minimizes the impact of leakage current, ensuring accurate signal retention and improved image quality, particularly in low-light conditions, while also relaxing the withstand voltage requirements of capacitors and enhancing layout efficiency.