Patent ID: 9033539
Filing Date: 2015-05-19
Classification: F21L,F21S,F21V,F21Y

Abstract:
1. An LED device, comprising: a main object and a removable LED-unit removably installed in the main object, wherein the main object includes at least one first LED element for providing a main object illumination function and main object power supply means for supplying power to and controlling turn-on and turn-off of the at least one first LED element, wherein said power supply and control means includes (a) prong means for connecting to an external electrical power source, (b) a first internal power source for supplying power to the at least one first LED element in case of a power failure in the external electrical power source or so that the main object may be used as an emergency light when the prong means are disconnected from said external electrical power source, and at least one of: (c) a switch means for turning the at least one first LED element on and off to achieve predetermined illumination effects, and (d) a sensor means for controlling a turn-on and turn-off of the at least one first LED element; and wherein the removable LED-unit includes at least one second LED element for providing a light-unit illumination function when the LED-unit is removed from the main object and second power supply means including a second internal power source in said removable LED-unit for supplying power to and controlling turn-on and turn-off of the at least one second LED element when said removable LED-unit is removed from said main object.