OPTICAL FUNCTION DEVICE, FUNCTION PANEL, DISPLAY DEVICE, INPUT/OUTPUT DEVICE, AND DATA PROCESSING DEVICE

Provided is a novel optical function device having excellent convenience, practicality, or reliability. The light function device includes a light emitting function converting electrical energy into first light having a first emission spectrum showing a maximum peak at a first wavelength, a photoelectric conversion function having an intensity of 80% of the maximum peak at a second wavelength, a first electrode, a second electrode, and a light function layer. Furthermore, the photoelectric conversion function has a spectral sensitivity characteristic that shows a maximum sensitivity in the range of 420 nm or more and 720 nm or less at the third wavelength, and that has a sensitivity of 80% of the maximum sensitivity at the fourth wavelength. The third wavelength is closer to the second wavelength than the first wavelength, and the fourth wavelength is closer to the first wavelength than the third wavelength. 提供一种方便性、实用性或可靠性优异的新颖的光功能器件。该光功能器件包括发光功能、光电转换功能、第一电极、第二电极以及光功能层，发光功能将电能转换为第一光，第一光具有第一发射光谱，第一发射光谱在第一波长示出