Provided are a light emitting device, a light emitting device package, and a lighting system. The differential latch-based one time programmable memory cell includes a differential latching amplifier having a first set of fuse devices coupled to the first input and a second set of fuse devices coupled to the second input. The hammermilled straw is preferably Kentucky Bluegrass straw. The elongated member covers a portion of the bottom of the elbow. The membrane is a single layered, skinned, polymethylpentene hollow fiber microporous membrane.