Comments on: Efficient LED Light Bulbs For The Home

By: Akon PVC Curtains

Akon PVC Curtains — Sat, 30 Mar 2019 06:01:10 +0000

Wonderful Information and very well explained benefits of LED. Nowadays people have switched to LED due to this amazing features which you have displayed in your blog !! Good Work !!

By: Roxette

Roxette — Mon, 02 May 2016 05:27:17 +0000

Great idea. LED light is more preferable to use, not only to conserve energy but at the same time it will give a great lighting. LED lights use less power yet generate the same level of brightness for long periods of time, it consume less electricity and save money from expensive electric bills.

By: Led Bulbs

Led Bulbs — Wed, 16 Mar 2016 10:52:46 +0000

At present time LED light bulbs are more popular than ncandescent and compact fluorescent (CFL) bulbs. By using LED bulbs, is the best way to save energy, protect than environment, reducing electricity bill. This offer “C. Crane GeoBulb 3 for $69.95 , is a 7-watt replacement for a 50-watt incandescent bulb or a 13-watt fluorescent” is really favorite to me….

By: Prediksi Bola

Prediksi Bola — Sun, 11 Jan 2015 08:50:26 +0000

Wow its great idea and this inovation for energy saving

By: RAMACHANDRARARO

RAMACHANDRARARO — Sun, 21 Oct 2012 17:35:14 +0000

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By: Exatorp

Exatorp — Mon, 28 Nov 2011 19:52:48 +0000

Replaced all the lights in my home with either 4w spots or 7w ‘golf balls’, or 2w decorative ‘candles’spots cost £9-14 and the golf balls £18. House now used 160w compared to the 1500ish it used previously.

Spots aren’t quite as bright with 360 lumen ouput, but the golf balls with 480 are just fine. Not expecting to change a bulb for another 10+ years now and they will have paid for themselves inside 9 months.

http://www.ledwaves.com/led-calc/

By: Win

Win — Mon, 03 Oct 2011 20:31:27 +0000

I hope you can do testing for LED lights similar to this to show brightness, watts, color temp, color, perceived brightness, faces, reading as parameters.

As for reading light…
according to this
http://www.fullspectrumsolutions.com/cri_explained.htm
http://www.economicallysound.com/lighting_basics_for_your_basic_bulb_purchase.html

The “Ideal” reading light has color temp of 5000-6000Kelvin and CRI close to 100 as much as possible with 1700-2800 lumens.
Here are example of Color temp and CRI…
Incandescent: 2700k 100 CRI
Tungsten Halogen: 3200k 95 CRI
Cool White: 4200k 62 CRI
Natural Sunlight: 5000-6000k 100 CR
Daylight Bulb: 6400k 80 CRI

Are there LED which has a color temp of 5000-6000Kelvin and CRI close to 100 with 1700-2800 lumens?

By: Anonymous

Anonymous — Mon, 03 Oct 2011 20:16:44 +0000

According to this site
http://www.fullspectrumsolutions.com/cri_explained.htm

The “Ideal” Reading light is that of daylight.
To match daylight it should have color temperature of 5000-6000Kelvin AND Color Rendering Index (CRI) as close to 100 as possible.
Here are examples of Color Temperature and CRI…
Incandescent: 2700k 100 CRI
Cool White: 4200k 62 CRI
Natural Sunlight: 5000-6000k 100 CRI
Daylight Bulb: 6400k 80 CRI

Are there LED lights which have 5000-6000K and CRI close to 100?

By: Win

Win — Mon, 03 Oct 2011 17:45:56 +0000

I am looking for an LED light which is like the “daylight” type of CFL used for reading. (not the desklamp type of LED but the one you put on the ceiling) It is for the study room which has white color paint all around about 15 x 15 x 15 feet in dimension.
I would like to inquire what type of LED lighting I can use for reading?

Win

By: Ganghuiled anna

Ganghuiled anna — Fri, 02 Sep 2011 07:38:01 +0000

LED lights will be the best choice for you if you want to buy ligts.
Why I do so,now let me give you a example why I would personally go for 240 watts over 1000.If I use led for a 24 hour diner with a sign burning 24 hours a day.The 100 watt bulb would use 2400 watts of electricity a day,but the 24 watt LED bulb would only use 480 watts and gives a much brighter glow. So it can help you save many money.