ILLUMINATION MODULE, ENDOSCOPE IMAGING SYSTEM, ENDOSCOPE, AND IMAGING METHOD THEREOF

An illumination module (110), comprising a light source assembly (111) and an optical filtering assembly (112). The light source assembly (111) comprises a first light source (1111), a second light source (1112), and a control element (1113), the control element (1113) being used for controlling the first light source (1111) and/or the second light source (1112) to emit light. The optical filtering assembly (112) comprises a conversion member (1121), a first optical filter (1123), and a second optical filter (1124), wherein the first optical filter (1123) and the second optical filter (1124) alternate in the circumferential direction of the conversion member (1121); and the conversion member (1121) is used for rotating to selectively place the first optical filter (1123) and the second optical filter (1124) on a light-emitting path of the light source assembly (111), the first optical filter (1123) is used for transmitting light emitted by the first light source (1111) and blocking light emitted by the second