Have a look the claims of this patent. Let's us know if you agree that they are relevant to circuit arrangements for filaments in LED retrofit lamps. The patent is active in Germany, the UK, France, Italy, Austria and Switzerland. It has counterparts in China and Korea.
LED modules often have capacitors to reduce flicker. The LED, the capacitor and other electronic components are generally arranged on a printed circuit board. This patent allows for smaller form factors by separating LED and capacitor into two seperate structural units. This comes in handy when the form factor of an LED module or fixture needs to be small, such as in poorly accessible areas or where the light source is intended to be as movable as possible.
Solid State Lighting (SSL) modules, such as those for street lighting, need to simultaneously meet various requirements, namely: resistance to electrical overstress (EOS), resistance to thermal dissipation, long service life and mechanical strength. This patent proposes a solution to overcome the problem that these four aspects tend to create opposing constraints.
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