The Edison screw cap is known after the inventor of the Edison solar sphere and is universally used for applications. the popular cap design for LED lamps is that the Push Pin, which consists of two parallel pins. this is often the standard choice for light bulb caps worldwide, making it the foremost distinctive beautiful screw B22 Cap for LED lamps. Led Light Bulb Raw Material Such as Small Edison screw caps are commonly used rather than E26 screw caps in LED lamp designs. it's 14mm in diameter and widely utilized in UK and Europe. This coating isn't identical because the 26mm "E26" designed for the US 120V market. The bayonet cap, also called the BC or B22D, has been in use for several years as another to the pin-push design for LED lamps. With a diameter of 14 mm, the small Edison lamp is a smaller version of the E27. The R50 lamp is 14.5 mm in diameter and has an output voltage of 120 V and a bearing of 1.2 watts. The cap is attached to the bulb and provides a c...