According to example configurations herein, a leadframe includes a first conductive strip, a second conductive strip, and a third conductive strip disposed substantially adjacent and substantially parallel to each other. The vial includes two inwardly sloped outwardly bowed interior side-walls and a top exterior surface. For night light application, the sealed-unit may consist of prong-means and an LED related circuit sealed within a safety standard plastic material and assembled with the night light body to save a lot of cost enable use of all kinds of materials. By varying the proportion of carbosilane bonds, and a desired Si-content of the anti-reflective coating composition can be obtained. The two gear joint sockets are pivoted respectively on both sides of the handle connector. An implicit canvas can be defined by the 3D scalar field.