Patent ID: 7677778

Claim:
A projector lamp unit comprising: a lamp; a resin-covered wire attached to a rear end of the lamp; a lamp case, comprised of aluminum, and housing the lamp, the lamp case comprising: a first case element, and a second case element, wherein the first case element is fastened to the second case element by a screw; a wire protective member comprising: a first member element, a second member element, wherein the first member element and the second member element mate to provide a hole to pass the resin-covered wire, and a pair of projection pieces that extend toward a rear end of the lamp case and are disposed on opposite sides of the hole that passes the resin-covered wire, wherein the pair of projection pieces are fastened to the first case element and the second case element by the screw, wherein the wire protective member resin having a smaller thermal conductivity than the lamp case; wherein the wire protective member attaches to the rear end of the lamp case, the resin-covered wire is routed from the rear end of the lamp to the outside of the lamp case through the hole provided by the wire protective member, the resin-covered wire is nipped between the first member element and the second member element of the wire protective member, and a ventilation clearance of the hole is sealed by the resin-covered wire.