Patent ID: 9332620
Filing Date: 2016-05-03
CPC Classification: G09G,H05B

Claim Text:
1. A lighting device comprising: a contents receiving unit receiving contents from an outside source; lighting units comprising a first lighting unit and a second lighting unit; and a controller controlling a first switching sequence of the lighting units and a second switching sequence of the lighting units based on a frequency, a tempo, and an intensity of an audio signal included in the contents and allowing the lighting units to sequentially drive according to the switching sequences; wherein the lighting units are physically separated from the contents receiving device; wherein the controller controls the first switching sequence of the lighting units by switching the lighting units on or off, separately, and the second switching sequence of the lighting units by switching the lighting units on or off, together; wherein the second lighting unit is turned off by the first switching sequence when the first lighting unit is turned on; and wherein the controller further controls the brightness of the lighting units based on the frequency, the tempo, and the intensity of the audio signal included in the contents.