Filament bulbs: why the Edison lightbulb never goes out of style

Few things define vintage style better than a lit filament bulb. That warm, golden, almost cinematic light that transforms any space into a place with soul. The Edison bulb has been with us for over a century and, far from becoming obsolete, it has become one of the most recognizable icons of contemporary decor.

Why? Because it combines history, craftsmanship, and aesthetics in a single object. In this guide, we tell you everything you need to know about filament lamps and how to integrate them into your home.

A bit of history: from invention to decorative icon

Thomas Edison patented the carbon filament light bulb in 1879. For decades, it was the only form of electric lighting available. With the arrival of fluorescent and LED bulbs, the filament was relegated—until interior designers rediscovered its aesthetic value in the early 2000s.

Today, LED filament bulbs replicate the aesthetics of the originals with minimal consumption. The best of both worlds: the visual warmth of the visible filament with the energy efficiency of LED.

Types of filament bulbs

Not all Edison bulbs are the same. These are the most common shapes and their decorative effect:

• Globe (G95, G125) — spherical shape, very decorative. Ideal for pendant lamps where the bulb is visible.
• Tubular (T30, T45) — elongated and narrow, with a spiral filament. Perfect for sconces and industrial design lamps.
• Standard (A60) — the classic bulb shape, with visible filament. Versatile and economical.
• Candle (C35) — flame shape, elegant. Ideal for wall sconces and table lamps.
• Squirrel cage — very visible and decorative squirrel cage filament. The most photogenic of all.

How to choose the right color temperature

In filament lamps, color temperature is key to achieving the desired ambiance:

• 2200K — very warm light, almost amber. Maximum vintage effect, ideal for ambiance and relaxation areas.
• 2700K — standard warm light. The perfect balance between warmth and functionality.
• 3000K — warm white light. More functional, less atmospheric.

For vintage decor, always stay between 2200K and 2700K.

Where to use filament lamps at home

Filament bulbs work especially well when the bulb is visible—whether in a pendant lamp without a shade, in an industrial design sconce, or in a table lamp with a ceramic or metal base.

• Living room — a vintage pendant lamp with an Edison bulb over the coffee table or sofa creates an irresistible focal point.
• Kitchen — several pendants at different heights over the island or bar, with tubular filament bulbs.
• Bedroom — a vintage table lamp with a globe bulb on the bedside table adds warmth and style.
• Bathroom — bathroom sconces with visible filament bulbs are a trend in retro decor.
• Entrance and hallways — a single pendant with an Edison bulb transforms a过渡 space into a decorative element.

Combine filament with the correct finishes

The Edison bulb demands materials that are up to its standard. The best-working finishes:

• Aged brass — warm and timeless, enhances the golden tone of the filament
• Matte black — elegant contrast, very popular in industrial style
• Copper — sophisticated and warm, perfectly combines with the amber light of the filament
• Handmade ceramic — texture and uniqueness, each piece is unique

At Retrotimes you will find lamps designed to showcase the filament bulb in all its splendor—from industrial pendants to bathroom sconces with artisanal finishes. Pieces that transform lighting into decor.

See vintage pendant lamps · See vintage floor lamps · See table lamps