A method for designing an electronic device including at least one LED light source to reduce spillage of light from the at least one LED light source includes designing a housing, designing a printed circuit board for placement within the housing, positioning the at least one LED light source on the printed circuit board, and positioning a plurality of electronic components around the at least one LED light source on the printed circuit board to reduce spillage of the light from the at least one LED light source. The electronic device may be an in-ear device and the housing may be an ear piece housing.