LED retrofit lightbulbs: bulled by ledo
LED retrofit lightbulbs: bulled by ledo LED retrofit lightbulbs: bulled by ledo
nov 16, 2011

LED retrofit lightbulbs: bulled by ledo

‘bulled light bulbs’ by ledo LED technologie all images © of ledo LED technologie

german company ledo LED technologie GmbH has created ‘bulled’, a series of three retrofitted LED light bulbs which match the size, shape and brightness of incandescents while being 85% more energy efficient. 11 dimmable LED modules combine in a single frame to create as much illumination as a 60 watt incandescent while only being 11 watts. while fluorescent alternatives are also energy efficient, they have a cool color temperature, giving off a white light. by contrast the color temperature of ‘bulled’ is 2800K, allowing the light to look very warm and natural. because of the shape, the light disperses at 330 degrees. with a lifespan of 80,000 hours it lasts 80 years with conventional use. 

‘bulled classic’

the first of the series, ‘bulled classic’, is made of aluminum and other durable electronic components. there is no mercury or lead to be found, unlike in other incandescent alternatives. the body is composed of the LED bulbs located inside cooling fins. 

‘bulled modular’

for ‘bulled modular’, the cooling fins are no longer needed. the fin cones form air ducts, and with the resulting thermodynamic movement, the cool air is guided through the ducting. 

‘bulled star’

in ‘bulled star’ aluminum is replaced with a combination of synthetic materials, making it the most lightweight of the series.
the conductive qualities of the material allow it to match the cooling efficiency of the other two models. 

‘bulled classic’ with light turned on

detail of how the light looks illuminated in the dark 

view from below example of how it looks in different fixture styles 

(left) 11 watt bulled light bulb  (right) 60 watt incandescent light bulb

  • re: the final photograph

    you must be kidding


    dbkii says:
  • I bet they cost 100 times what a normal bulb costs. Look great but very complicated and costly to manufacture…..

    Dr. Design says:
  • Dear Dr. Design,
    they most likely DO cost way more than a normal bulb… but they last for 80,000 hrs. so would you rather pay 30 cents for something that will be in the trash in a few months or 30 dollars for something that you only need to buy once? I guess it’s a matter of principal.

    ps. this bulb is awesome! finally! no more pigtail shaped fluorescents!

    nova says:
  • cute! and good for the planet. good combo.

    ria says:
  • Good work!
    it is available online for purchase?

    Aakash Soneri says:
  • +1 to Aakash Soneri

    un artisant français says:
  • @Aakash: it is available to purchase online, go to mybulled.com > FAQ > bulled suppliers and click one of those, they sell it exclusively

    @Dr. Design & Nova: They cost around 99 euro’s.

    Quite expensive but a very good design nonetheless and energy efficient too.

    Drei says:
  • First, how does the light intensity hold up after so many hours of burning? The pigtail fluorescents start to dim about a quarter of the way into their life span. Another issue they didn’t address in the article. What rare earth metals are used in the LEDs? The World seems to be having trouble with getting rare earth metals since China has cut off the exporting of their rare earth metals resources. If we don’t get rare earth metals, we don’t have LEDs.

    James says:
  • 80k hours, my ass.

    V. Mann says:
  • Why don’t they compare it with compact flourescent lightbulbs? Oh, The comparison to incandescents is for marketing purposes. Costwise, this doesn’t make sense. Excuse the pun.

    JackSilver says:
  • Iranian Copmany “Cordia ” has same product :

    sario says:
  • This is an interesting design. But like many other LED light bulbs are not a great solution.

    AB says:

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