UNIT PIXEL OF AN IMAGE SENSOR AND IMAGE SENSOR INCLUDING THE SAME

摘要

A unit pixel of an image sensor includes a visible light detection pixel and an infrared light detection pixel. The visible light detection pixel transforms visible light irradiated from the outside into a first charge by using a photoelectric conversion device and generates a first electrical signal corresponding to the first charge deposition. The infrared light detection pixel transforms infrared light irradiated from the outside into a second charge by using an infrared light detection layer including infrared light detection materials between an upper electrode and a lower electrode. At this time, the infrared light adsorption amount of the infrared light detection layer is adjusted based on a bias by a first voltage applied to the upper electrode and a second voltage applied to the lower electrode.