B
Boki
- Jan 1, 1970
- 0
Hi All,
Which color of LED is most brightness ?
In my test, red is brighter than blue.
Best regards,
Boki.
Which color of LED is most brightness ?
In my test, red is brighter than blue.
Best regards,
Boki.
Boki said:Hi All,
Which color of LED is most brightness ?
In my test, red is brighter than blue.
Which color of LED is most brightness ?
In my test, red is brighter than blue.
Hello Boki,
How did you do that test?
Many people's eyes perceive "super red" as the most bright for a given
current. But that can be different, depending on your age (no, you don't
have to tell us...), degree of color blindness, contaminants such as
water vapor (fog) in the path and so on.
Well, how bright is bright? It might be interesting to set up a little
jig, with a red and a green (and maybe others) LED, where each one has
a pot, with a knob. You tell your victims^H^H^H^H^H^H^Htest subjects to
adjust them until they're "equally bright", then take a photometer of
some kind, and your trusty DVM, and log what the currents and PHM
readings are.
Write that up properly, and you could probably get federal funding. ;-)
Not if you are underwater :->
1 lumen is 1 lumen, regardless of the colour. It all depends on what
sensor you are using (human eye or a sensor), and what medium the light
pases through.
Dave![]()
Hello Boki,
How did you do that test?
Many people's eyes perceive "super red" as the most bright for a given
current. But that can be different, depending on your age (no, you don't
have to tell us...), degree of color blindness, contaminants such as
water vapor (fog) in the path and so on.
Um... in fact, test by ................. my eyes, not for verfication.
Many years ago( about 1996 ), I remember that a classmates told me that
blue LED was investaged by a Japanese, is that true ?
Joerg said:Hello Rich,
Supposedly that is the method used in Germany to set the chroma balance
when they introduced color TV. At first a dozen candidates or so and
when they found that the spread was rather huge they upped that number
big time IIRC.
Nah, you'd have to be well connected or know people who are and
preferably be in the agriculture business.
Hi All,
Which color of LED is most brightness ?
In my test, red is brighter than blue.
Best regards,
Boki.