Patent ID: 8294349
Filing Date: 2012-10-23
Classification: G02F,H01R

Abstract:
1. A lighting device comprising: a discharge tube; and a terminal for supplying power to the discharge tube, wherein: the discharge tube includes a glass tube, an electrode provided inside the glass tube, an outer lead provided at an end of the glass tube and configured to make electrical connection between the electrode and an external device, and a ferrule having a drum shape so as to be fitted onto the glass tube and configured to make electrical connection between the outer lead and the terminal; and the ferrule includes a main body fitted onto the glass tube, a connecting part extending from the main body and electrically connected to the outer lead, and a holding part separately provided from the connecting part, extending from the main body and formed so as to hold the outer lead such that holding of the outer lead defines a relative position of the ferrule to the glass tube.