Lighting system

Abstract

A lighting system includes a main power source, a power switch, a daylight white color light source driver, an incandescent color light source driver, a first light source unit, and a second light source unit. The power switch includes a first terminal connected to the main power source, a second terminal and a control terminal. The two drivers are connected to the second terminal of the power switch. The first light source unit is driven by the daylight white color light source driver. The second light source unit is driven by the incandescent color light source driver. A switch driving circuit for applying power-saving switch signals is connected to the control terminal of the power switch, and a signal processing circuit for outputting instruction signals is connected to the switch driving circuit.

1 - 16 . (canceled) 
     
     
         17 . An LED Lighting apparatus comprising:
 a support unit formed in an annular shape and having a wall portion which has an angle to a ceiling; and   an LED package disposed on a first surface of the wall portion of the support unit and outputting light at least in a direction perpendicular to the first surface.   
     
     
         18 . The LED lighting apparatus according to  claim 17 , further comprising a power source supplying electric power to the LED package, wherein the power source is surrounded by the support unit, and at least partially overlaps with the wall portion in a first direction which is parallel with a surface of the ceiling. 
     
     
         19 . The LED lighting apparatus according to  claim 17 , further comprising a power source supplying the electric power to the LED package, wherein the power source is surrounded by the support unit, and at least partially overlaps with the LED package in a first direction which is parallel with a surface of the ceiling. 
     
     
         20 . The LED lighting apparatus according to  claim 18 , further comprising a connecting part to be connected to the ceiling. 
     
     
         21 . The LED lighting apparatus according to  claim 20 , wherein the connecting part is disposed closer to the ceiling than the power source is. 
     
     
         22 . The LED lighting apparatus according to  claim 20 , wherein the connecting part is positioned between the ceiling and the power source. 
     
     
         23 . The LED lighting apparatus according to  claim 20 , wherein at least a part of the connecting part is surrounded by the support unit, and the connecting part and the power source at least partially overlap with the wall portion in the first direction. 
     
     
         24 . The LED lighting apparatus according to  claim 20 , wherein at least a part of the connecting part is surrounded by the support unit, and the connecting part and the power source at least partially overlap with the LED package in the first direction. 
     
     
         25 . The LED lighting apparatus according to  claim 20 , wherein the connecting part is surrounded by the support unit, and the connecting pan and the power source at least partially overlap with each other in the first direction. 
     
     
         26 . The LED lighting apparatus according to  claim 17 , further comprising a first plate formed in an annular shape, wherein the first plate is connected to a proximal edge of the support unit to the ceiling, and has a surface which is parallel with the ceiling. 
     
     
         27 . The LED lighting apparatus according to  claim 26 , further comprising an inclined portion connected to an edge of the first plate that is opposite to a center line of the first plate, wherein the inclined portion is inclined so as to become farther from the ceiling with increasing distance from the center line of the first plate. 
     
     
         28 . The LED lighting apparatus according to  claim 17 , further comprising a first cover covering the LED package and configured to allow passage of the light outputted from the LED package. 
     
     
         29 . The LED lighting apparatus according to  claim 17 , further comprising a base via which the LED package is disposed on the first surface of the will portion. 
     
     
         30 . An LED Lighting apparatus comprising:
 a first plate;   a support unit projected from a surface of the first plate and having a wall portion which is in an annular shape; and   an LED package disposed on a surface of the wall portion and outputting light in a direction perpendicular to the surface of the wall portion.   
     
     
         31 . The LED lighting apparatus according to  claim 30 , further comprising a power source supplying electric power to the LED package, wherein the power source is surrounded by the support unit, and at least partially overlaps with the wall portion in a first direction which is parallel with the surface of the first plate. 
     
     
         32 . The LED lighting apparatus according to  claim 30 , further comprising a power source supplying the electric power to the LED package, wherein the power source is surrounded by the support unit, and at least partially overlaps with the LED package in a first direction which is parallel with the surface of the first plate. 
     
     
         33 . The LED lighting apparatus according to  claim 31 , further comprising a connecting part to be connected to a ceiling. 
     
     
         34 . The LED lighting apparatus according, to  claim 33 , wherein the connecting part is disposed closer to the ceiling than the power source is. 
     
     
         35 . The LED lighting apparatus according to  claim 33 , wherein the connecting part is positioned between the ceiling and the power source. 
     
     
         36 . The LED lighting apparatus according to  claim 33 , wherein at least a part of the connecting part is surrounded by the support unit, and the connecting part and the power source at least partially overlap with the wall portion m the first direction. 
     
     
         37 . The LED lighting apparatus according to  claim 33 , wherein at least a part of the connecting part is surrounded by the support unit, and the connecting part and the power source at least partially overlap with the LED package in the first direction. 
     
     
         38 . The LED lighting apparatus according to  claim 33 , wherein the connecting part is surrounded by the support unit, and the connecting part and the power source at least partially overlap with each other in the first direction. 
     
     
         39 . The LED lighting apparatus according to  claim 30 , further comprising an inclined portion connected to an edge of the first plate that is opposite to a center line of the first plate, wherein the inclined portion is inclined so as to become farther from the first plate with increasing distance from the center line of the first plate. 
     
     
         40 . The LED lighting apparatus according to  claim 30 , further comprising a first cover covering the LED package and configured to allow passage of the light outputted from the LED package. 
     
     
         41 . The LED lighting apparatus according to  claim 30 , further comprising a base via which the LED package is disposed on the surface of the wall portion.