AUTO-ZERO TECHNIQUES FOR LATERAL OVERFLOW INTEGRATING CAPACITOR (LOFIC) READOUT IMAGE SENSOR

• Main Authors: Gao, Zhe, Dai, Tiejun
• Format: Patent
• Language: English
• Published: 19.05.2022
• Subjects: BASIC ELECTRIC ELEMENTS; BASIC ELECTRONIC CIRCUITRY; CODE CONVERSION IN GENERAL; CODING; DECODING; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; PICTORIAL COMMUNICATION, e.g. TELEVISION; SEMICONDUCTOR DEVICES

Switching techniques for fast voltage settling in image sensors are described. In one embodiment, an image sensor includes a plurality of lateral overflow integrating capacitor (LOFIC) pixels arranged in rows and columns of a pixel array. The plurality of pixels includes an active pixel configured f...