LEDs have changed the world. These lights have phased out My friend the primary purpose of a cover is just to play the role of a diffuser so as to make the spread of light more uniform. At the same time, it helps in having 10-15% light loss. read more
Plus, the light will become much more dazzling without a diffuser. Fun exercise, just stare at the diffuser-free lamp, and in no time you will see various stars twinkling for a good couple of minutes. So yeah, a LED light bulb can be used without the bulb cover if you are not really concerned about dispersion of light. read more
Remember: An LED bulb's wattage rating doesn't indicate its brightness; its lumens rating does. A 60-watt-equivalent LED bulb delivers about 800 lumens, roughly the same as a 60-watt incandescent. read more