18390867. IMAGE SENSOR simplified abstract (Samsung Electronics Co., Ltd.)
Contents
IMAGE SENSOR
Organization Name
Inventor(s)
IMAGE SENSOR - A simplified explanation of the abstract
This abstract first appeared for US patent application 18390867 titled 'IMAGE SENSOR
The patent application describes an image sensor with multiple pixels, each consisting of various components such as photodiodes, transfer transistors, reset transistors, a switch transistor, and a driving transistor.
- Each pixel includes a first and second photodiode for capturing light.
- The first and second transfer transistors are connected to floating diffusion nodes for signal transfer.
- Reset transistors reset the floating diffusion nodes with specific power supply voltages.
- A switch transistor connects the second floating diffusion node to the first floating diffusion node.
- A driving transistor outputs an output voltage based on the voltage of the first floating diffusion node.
Potential Applications: - Digital cameras - Smartphones - Surveillance cameras - Medical imaging devices
Problems Solved: - Improved image quality - Enhanced signal processing - Higher sensitivity to light
Benefits: - Higher resolution images - Reduced noise in low-light conditions - Faster image capture speed
Commercial Applications: Title: "Innovative Image Sensor Technology for Enhanced Imaging Devices" This technology can be utilized in the development of advanced digital cameras, smartphones, and other imaging devices, catering to a wide range of consumer and industrial applications.
Questions about Image Sensor Technology: 1. How does this image sensor technology improve image quality compared to traditional sensors? - The use of multiple photodiodes and advanced signal processing techniques enhances image quality by reducing noise and improving sensitivity to light.
2. What are the potential challenges in implementing this technology in commercial imaging devices? - Some challenges may include the complexity of the pixel structure and the need for precise manufacturing processes to ensure optimal performance.
Original Abstract Submitted
An image sensor includes a plurality of pixels, each pixel of the plurality of pixels includes, a first photodiode, a second photodiode, a first transfer transistor connected to a first floating diffusion node, a second transfer transistor connected to a second floating diffusion node, a first reset transistor configured to reset the first floating diffusion node with a first reset power supply voltage, a second reset transistor configured to reset the second floating diffusion node with a second reset power supply voltage, a switch transistor connecting the second floating diffusion node to the first floating diffusion node, and a first driving transistor configured to output an output voltage according to a voltage of the first floating diffusion node.
