| 摘要 |
A lighting apparatus is provided to control a spreading angle of the light coming out in the light source by using spreading angle controller moved back and forth to control spreading angle. In a lighting apparatus, a housing has an opening(112) which is opened and is recessed into inside form the opening. A light source(130) is installed to be exposed within the accommodating groove of the housing so that the light is projected through the opening. A spreading angle is moved back and forth to control spreading angle of the light coming out in the light source. A base portion(116) is installed for the light source to be exposed. An auxiliary reflecting body(118) has an external diameter is expanded gradually so that it proceed toward the upward. |
