Patent ID: 8263923

Claim:
A 4 transistors and 4 shared step and repeat unit pixel comprising: a first photodiode diffusion area pattern; a second photodiode diffusion area pattern provided in an upper right diagonal direction from the first photodiode diffusion area pattern; a third photodiode diffusion area pattern provided above the second photodiode diffusion area pattern; a fourth photodiode diffusion area pattern provided in an upper left diagonal direction from the third photodiode diffusion area pattern over the first photodiode diffusion area pattern; a first diffusion area pattern provided between the second and third photodiode diffusion area patterns; a second diffusion area pattern provided between the second and third photodiode diffusion area pattern beside the first diffusion area pattern; and a third diffusion area pattern provided in a diagonal direction from the fourth photodiode diffusion area pattern over the third photodiode diffusion area pattern.