Patent ID: 8325155

Claim:
A touch panel, comprising: a plurality of pixels, wherein each of the pixel includes M*N sub-pixels, and the M*N sub-pixels have at least m sub-pixels each containing at least one photo sensitive area and at least one effective display area, at least n other sub-pixels of the M*N sub-pixels each only contain at least one effective display area, and M≧2, N≧1, m≦M, m+n=M and m≧0, and the at least one photo sensitive area has at least one photo sensor; a color filter disposed at the plurality of pixels, wherein the color filter contains a first color filter film disposed over the photo sensors of the at least m sub-pixels of the M*N sub-pixels, and a second color filter film disposed over the effective display areas of the at least m sub-pixels of the M*N sub-pixels and the effective display areas of the at least n other sub-pixels of the M*N sub-pixels, and the first color filter film disposed over the photo sensors of the at least m sub-pixels of the M*N sub-pixels have a color different from that of a color of the second color filter film disposed over the effective display areas of the at least m sub-pixels; and a signal readout line electrically connecting the photo sensors at the same column, wherein only one signal readout line is disposed at every M columns of the sub-pixels.