Abstract: Provided is a device to prevent filth from collecting on a display of a toilet seat device. A toilet seat device of some embodiments includes a body part having a casing formed so as to be hollow, a toilet seat that is formed so as to be hollow and is supported in the casing; a light emitter that is accommodated in one of the casing and the toilet seat and is provided so as to be capable of emitting light, and a display that is provided at a prescribed location on the one of the casing and the toilet seat, the display indicating an operation state by emitted light from the light emitter. The display is provided with a base part; and a thin-walled part that is formed so as to have a lower thickness than does the base part, the thin-walled part transmitting light and indicating an operation state.

Abstract: A toilet device disposed at a toilet bowl has a main body fixed to an upper surface of the toilet bowl, a toilet seat supported by the main body, and a reflection-type optical sensor disposed at the toilet seat, the optical sensor having a light emitter configured to emit light from a surface of the toilet seat, and a light receiver configured to receive reflection light of the light.

Abstract: The present disclosure prevents filth from collecting on a display of a toilet seat device. A toilet seat device of some embodiments is provided with a body part having a casing formed so as to be hollow, a toilet seat that is formed so as to be hollow and is supported in the casing; a light emitter that is accommodated in one of the casing and the toilet seat and is provided so as to be capable of emitting light, and a display that is provided at a prescribed location on the one of the casing and the toilet seat, the display indicating an operation state by emitted light from the light emitter. The display is provided with a base part; and a thin-walled part that is formed so as to have a lower thickness than does the base part, the thin-walled part transmitting light and indicating an operation state.