Comments on: Considerations When Purchasing LED Light Bulbs http://www.ledtubelights.org/considerations-when-purchasing-led-light-bulbs Buying and Installing LED Fluorescent Replacement Bulbs Mon, 15 Mar 2010 19:49:44 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: Jim http://www.ledtubelights.org/considerations-when-purchasing-led-light-bulbs/comment-page-1#comment-14 Jim Mon, 08 Feb 2010 17:02:35 +0000 http://www.ledtubelights.org/?p=26#comment-14 Hi Howard, thanks for the comments and question. As you suggested, you can basically assume that all good LED lights on the market today operate at high enough frequencies that this is not a problem. In the US right now there is a bit of a conflict between the manufacturers and the Department of Energy about exactly what the required frequency should be, but even if they settle on the the 120 Hz that the manufacturers are asking for and which is commonly found in lamps on the market today, this will be high enough to ensure that there are no problems. Hi Howard, thanks for the comments and question. As you suggested, you can basically assume that all good LED lights on the market today operate at high enough frequencies that this is not a problem. In the US right now there is a bit of a conflict between the manufacturers and the Department of Energy about exactly what the required frequency should be, but even if they settle on the the 120 Hz that the manufacturers are asking for and which is commonly found in lamps on the market today, this will be high enough to ensure that there are no problems.

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]]> By: Howard http://www.ledtubelights.org/considerations-when-purchasing-led-light-bulbs/comment-page-1#comment-13 Howard Sun, 07 Feb 2010 22:08:21 +0000 http://www.ledtubelights.org/?p=26#comment-13 My apologies, Jim! I read the site more carefully and you do mention the flicker issue. Can we take it then that all good LED tubes are flicker free, or at least high enough frequency not to affect humans? My apologies, Jim! I read the site more carefully and you do mention the flicker issue. Can we take it then that all good LED tubes are flicker free, or at least high enough frequency not to affect humans?

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]]> By: Howard http://www.ledtubelights.org/considerations-when-purchasing-led-light-bulbs/comment-page-1#comment-12 Howard Sun, 07 Feb 2010 22:04:55 +0000 http://www.ledtubelights.org/?p=26#comment-12 Helpful soite thanks, but can we have more info about FLICKER? Some makers of fluorescents overcame headache-inducing 100/120Hz flicker with high-frequency drive. So what about LEDS? Surely all they'd need for a continuous flow of light is a simple DC-rectified supply? It would find a market in factory lighting (no strobing) and in film/video media where unsynchronised flicker is a disaster. Helpful soite thanks, but can we have more info about FLICKER? Some makers of fluorescents overcame headache-inducing 100/120Hz flicker with high-frequency drive. So what about LEDS? Surely all they’d need for a continuous flow of light is a simple DC-rectified supply? It would find a market in factory lighting (no strobing) and in film/video media where unsynchronised flicker is a disaster.

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