| CPC F21K 9/232 (2016.08) [F21K 9/238 (2016.08); F21K 9/66 (2016.08); F21V 29/70 (2015.01); F21V 29/86 (2015.01); F21Y 2115/10 (2016.08)] | 20 Claims |

|
1. A miniature light emitting diode (LED) light bulb comprising:
a base portion including one or more electrical contacts arranged to mate with an electrical receptacle to receive electric current;
an envelope portion comprising:
a body portion coupled to the base portion; and
a light diffusing portion coupled to an upper circumference of the body portion, the light diffusing portion and the body portion defining an interior portion of the envelope portion, wherein the envelope portion is less than 75 mm in length and less than 25 mm in diameter; and
an LED light assembly housed in the interior portion of the envelope portion, the LED light assembly comprising:
a flexible printed circuit board;
a plurality of LEDs operably engaged with the flexible printed circuit board, wherein the plurality of LEDs are electrically and thermally connected to comprise an LED array; and
an electronics assembly operably engaged with the flexible printed circuit board and comprising an LED driver and an integrated circuit being operably engaged with the one or more electrical contacts and the plurality of LEDs to provide power to the LED array,
wherein the LED array and the electronics assembly are operably configured to comprise a luminous efficiency of at least 45 lumens per watt.
|