Patent ID: 7932948

Claim:
A solid-state image sensing device comprising: a light receiving unit for receiving light; a color filter formed above the light receiving unit; a microlens formed above the color filter and having a first refractive index of n 1 ; a first material layer formed on the microlens and having a second refractive index of n 2 ; and a second material layer provided over the first material layer and having a fourth refractive index of n 4 , wherein a third material layer adheres the first material layer and the second material layer and has a third refractive index of n 3 ; the following relations hold: n 3 =(n 2 +n 4 )/2±0.2 and n 1 >n 2 , and the top surface of the first material layer has a first contour and the top surface of the microlens has a second contour, said first contour and said second contour being shaped differently in an area located above said microlens.