CMOS 256-Pixel/480-Pixel Photovoltaic-Powered Subretinal Prosthetic Chips With Wide Image Dynamic Range and Bi/Four-Directional Sharing Electrodes and Their Ex Vivo Experimental Validations With Mice. - Chung-Yu Wu; Chi-Kuan Tseng; Jung-Hsing Liao; Chuan-Chin Chiao; Fang-Liang Chu; Yueh-Chun Tsai; Jun Ohta; Toshihiko Noda (IEEE Trans. Circuits Syst., 2020)