低噪声CMOS图像传感器的重点专利分析

Key Patent Analysis of Low Noise CMOS Image Sensor

随着大规模集成电路设计和信号处理技术的提高,CMOS图像传感器日益受到重视,成为固态图像传感器的研究热点,但是噪声仍是制约CMOS图像传感器发展的重要因素之一。针对低噪声的CMOS图像传感器技术领域的专利文献,给出了该领域主要申请人的申请量分布图,并对该领域的重要专利进行分析,介绍了前5位重要专利的技术特点。

With the progress of large scale IC design and signal processing technologies,CMOS image sensor is becoming more and more attention,and becomes the focus in the solid-state image sensor,but the noise is one of the important factors which restrict the development of the CMOS image sensor.In view of the low noise CMOS image sensor technology in the field of patent documents,the distribution of applicant number in this field is given,and the important patents are analyzed,and the technical features of first five important patents are introduced.