Patent ID: 7629662

Claim:
An image sensor comprising: a color filter layer having a red color filter with a first thickness, a green color filter with a second thickness, and a blue color filter with a third thickness, wherein the second thickness is thicker than the first thickness, and the third thickness is thicker than the second thickness; and a microlens array having a first microlens with a fourth thickness formed on the red color filter, a second microlens with a fifth thickness formed on the green color filter, and a third microlens with a sixth thickness formed on the blue color filter, wherein the fifth thickness is thinner than the fourth thickness, and the sixth thickness is thinner than the fifth thickness, wherein the distance where light is condensed through the first microlens, the distance where light is condensed through the second microlens, and the distance where light is condensed through the third microlens are the same.