To further illustrate the light-absorbing layer 28 disclosed herein, attention is directed to FIGS. 2A, 2B, and 2C. FIG. 2A is a cross-sectional view taken of a portion of the pixel cell 10 taken along the 2???2 line of FIG. 1 that includes portions of the first region 14 and the second region 16 with the light-absorbing layer 28 contacting the second region 16.