A light-emitting module for a motor-vehicle lighting device, comprising: a. a light source intended to participate in the performance of at least one photometric function; b. an electrochromic device comprising at least one segment arranged downstream of the light source and capable of selectively having a scattering aspect and a transparent aspect; and c. a controller arranged to receive an instruction to emit said photometric function and to control, depending on said instruction, the emission of light by the light source and the appearance of the electrochromic device. the light source being a first light source and the segment of the electrochromic device being a first segment of the electrochromic device, characterized in that it comprises: d. a second light source, each of the first light source and second light source being intended to participate in the performance of a first photometric function and second photometric function, respectively; e. a projecting optical device configured to project the light rays emitted by the first light source and second light source in a first light beam and second light beam along an optical axis (X-X) of the device, respectively; f. a second segment of the electrochromic device arranged downstream of the second light source, the second segment being capable of selectively having a scattering aspect and a transparent aspect; the controller is arranged to receive an instruction to emit either of the first and second photometric functions and to control, depending on said instruction, the emission of light by the first light source and/or second light source and the appearance of the first segment and/or second segment of said electrochromic device. the light-emitting module comprising a first collecting optical device and a second collecting optical device, each collecting optical device being arranged to collect the light rays (LB, HB) emitted by the first and second light sources (2, 2'), respectively, the projecting optical device being arranged to receive the light rays collected by the collecting optical devices (3, 3'), the electrochromic device being arranged between the collecting optical devices (3, 3') and the projecting optical device. a. a light source intended to participate in the performance of at least one photometric function; b. an electrochromic device comprising at least one segment arranged downstream of the light source and capable of selectively having a scattering aspect and a transparent aspect; and c. a controller arranged to receive an instruction to emit said photometric function and to control, depending on said instruction, the emission of light by the light source and the appearance of the electrochromic device. the light source being a first light source and the segment of the electrochromic device being a first segment of the electrochromic device, characterized in that it comprises: d. a second light source, each of the first light source and second light source being intended to participate in the performance of a first photometric function and second photometric function, respectively; e. a projecting optical device configured to project the light rays emitted by the first light source and second light source in a first light beam and second light beam along an optical axis (X-X) of the device, respectively; f. a second segment of the electrochromic device arranged downstream of the second light source, the second segment being capable of selectively having a scattering aspect and a transparent aspect; d. a second light source, each of the first light source and second light source being intended to participate in the performance of a first photometric function and second photometric function, respectively; e. a projecting optical device configured to project the light rays emitted by the first light source and second light source in a first light beam and second light beam along an optical axis (X-X) of the device, respectively; f. a second segment of the electrochromic device arranged downstream of the second light source, the second segment being capable of selectively having a scattering aspect and a transparent aspect; the controller is arranged to receive an instruction to emit either of the first and second photometric functions and to control, depending on said instruction, the emission of light by the first light source and/or second light source and the appearance of the first segment and/or second segment of said electrochromic device. the light-emitting module comprising a first collecting optical device and a second collecting optical device, each collecting optical device being arranged to collect the light rays (LB, HB) emitted by the first and second light sources (2, 2'), respectively, the projecting optical device being arranged to receive the light rays collected by the collecting optical devices (3, 3'), the electrochromic device being arranged between the collecting optical devices (3, 3') and the projecting optical device.