An image sensor (200, 300) comprising: a semiconductor substrate including a plurality of photo-sensing devices (50a,50b); a photoelectric device on the semiconductor substrate and configured to selectively sense a first visible light, the first visible light including light in a first wavelength spectrum; and a plurality of color filters, each of the plurality of color filters being on a corresponding photo-sensing device of the plurality of photo-sensing devices, wherein the plurality of color filters includes: a first color filter configured to selectively transmit second visible light, the second visible light including light in a second wavelength spectrum, the second wavelength spectrum being different from the first wavelength spectrum; and a second color filter configured to transmit a first mixed light, the first mixed light including light in the second wavelength spectrum and light in a third wavelength spectrum, the third wavelength spectrum being different from the second wavelength spectrum, and wherein the plurality of photo-sensing devices includes: a first photo-sensing device overlapping with the first color filter and configured to sense the second visible light; and a second photo-sensing device overlapping with the second color filter and configured to sense a second mixed light, characterised in that the plurality of color filters are between the photoelectric device and the semiconductor substrate, and in that the second mixed light includes the second visible light. a semiconductor substrate including a plurality of photo-sensing devices (50a,50b); a photoelectric device on the semiconductor substrate and configured to selectively sense a first visible light, the first visible light including light in a first wavelength spectrum; and a plurality of color filters, each of the plurality of color filters being on a corresponding photo-sensing device of the plurality of photo-sensing devices, wherein the plurality of color filters includes: a first color filter configured to selectively transmit second visible light, the second visible light including light in a second wavelength spectrum, the second wavelength spectrum being different from the first wavelength spectrum; and a second color filter configured to transmit a first mixed light, the first mixed light including light in the second wavelength spectrum and light in a third wavelength spectrum, the third wavelength spectrum being different from the second wavelength spectrum, and wherein the plurality of photo-sensing devices includes: a first photo-sensing device overlapping with the first color filter and configured to sense the second visible light; and a second photo-sensing device overlapping with the second color filter and configured to sense a second mixed light, characterised in that the plurality of color filters are between the photoelectric device and the semiconductor substrate, and in that the second mixed light includes the second visible light. a first color filter configured to selectively transmit second visible light, the second visible light including light in a second wavelength spectrum, the second wavelength spectrum being different from the first wavelength spectrum; and a second color filter configured to transmit a first mixed light, the first mixed light including light in the second wavelength spectrum and light in a third wavelength spectrum, the third wavelength spectrum being different from the second wavelength spectrum, and wherein the plurality of photo-sensing devices includes: a first photo-sensing device overlapping with the first color filter and configured to sense the second visible light; and a second photo-sensing device overlapping with the second color filter and configured to sense a second mixed light, characterised in that the plurality of color filters are between the photoelectric device and the semiconductor substrate, and in that the second mixed light includes the second visible light. a first photo-sensing device overlapping with the first color filter and configured to sense the second visible light; and a second photo-sensing device overlapping with the second color filter and configured to sense a second mixed light, characterised in that the plurality of color filters are between the photoelectric device and the semiconductor substrate, and in that the second mixed light includes the second visible light.