Patent attributes
A keyboard includes a base plate, a plurality of key structures, and a light emitting assembly. The base plate includes a body and a plurality of optically transmissive members. The body has a plurality of hollow portions. The optically transmissive members are contained in the hollow portions, respectively. Each of the optically transmissive members has a light guiding portion and a plurality of connecting structures. The key structures correspond to the optically transmissive members, respectively. One of the key structures is connected to the connecting structures of one of the optically transmissive members. The light emitting assembly includes a driver circuit board and a plurality of light emitting units. The light emitting units are located on the driver circuit board. The driver circuit board is located on one of the surfaces of the base plate. The light emitting units are contained in the light guiding portion, respectively.