Patent attributes
An illuminated cap includes a crown having a visor, with a folding member on an inner surface of the crown proximate an ear portion thereof. A light source assembly includes a circuit board, two light emitting members connected to the circuit board, a switch on the circuit board, and at least one cell mounted on the circuit board. A receiving assembly, with the circuit board mounted therein, is fastened on the crown by the folding member which is adapted to separate the head of a wearer from the receiving assembly. A flexible optical fiber strand is disposed on the visor and/or along at least one stitch of the crown and has both ends electrically connected to the light emitting members respectively. The light emitting members (e.g., LEDs) are adapted to light or flash for warning surrounding persons or vehicles.