Next up is the Reflector flood lamp, or R-shaped lamp. Remember, the shape of a bulb determines how it shines and disperses its light, and every shape has a usage function: i.e., an intended fixture to be used in!įor example, don't put standard "A" shape light bulbs (more on that below) in recessed ceiling light fixtures - the light would get "lost" inside your fixture and not be of much use as a light source! Instead, only use the recommended shape/type of bulb for each fixture (or lamp) in your home. While there are many bulb shapes, we'll go over the most commonly found ones and the shapes we do carry to help you choose accordingly. Now, let's get into the shapes of light bulbs. What it looks like: anything! LED are customizable light sources, so they can be made to any specification by changing the diode arrangement and type. How it works: LEDs, or Light Emitting Diodes, are a light source that uses semiconductors. As a result, you can find fluorescents in all different color temperatures though bright, daylight white fluorescents are the most common variety. What it looks like: Manufacturers can vary the color of the light by using different combinations of phosphors. An electric current in the gas excites mercury vapor, producing ultraviolet light, which is then translated to visible light by the phosphor coating in the tube. There are two electrodes at each end of the tube. Inside the tube is a bit of mercury and inert gas. How it works: A glass tube coated with phosphor powder is central to fluorescence. Whether linear tube fluorescent lights in offices or the compact fluorescent lamps (CFL) with the curly tubes for regular lamps - these types use fluorescence. Now, onto creating light through fluorescence. Remember, this is how a bulb uses electricity to create visible light, and the most common technologies are incandescent, halogen, LED, and fluorescent. Most range from the warmer 2700K to the cooler, "bluer" 6500K.Ī few standard technologies are used in household lightbulbs, so let's get into each. Color Temperature is used to describe a lights visual appearance and whiteness. Bulb Base determines how the bulb screws or plugs into a socket.ģ. For example, flood-type bulbs are best for recessed ceiling fixtures standard light bulbs for desk and floor lamps. Every bulb shape has a recommended usage or fixture to be used in. Bulb Shape/Type determines how the light is distributed. The most common technologies are incandescent, halogen, LED, and fluorescent.Ģ. Lighting Technology, or the way the bulb uses electricity to create visible light. To understand light bulbs, you should first understand these essential three components:ġ. So while we usually focus primarily on lighting and wellness, we realized more of you might need guidance on how to best use these tools efficiently! Lighting is a powerful tool whose full effect is felt most if you know how, when, and where to use it! Lighting controls and influences so much of our lives, yet few people put much thought into their lighting, let alone know the differences between all the types and shapes of light bulbs!
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