Automotive Lighting 101

Posted on: May 29, 2018, by :

Automotive Lighting 101

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For high beam, any German made H9. Sylvania, Philips, Osram, Volsa are all going to be about equal. There are no reputable cosmetic fancy looking H9s, which really doesnt matter as no-one is going to see your high beam color anyway.

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Thank you for this feedback good sir! Youre right about how deep into the weeds we want to go when explaining highly technical aspects of lighting, such as wavelengths. I originally show to only discuss the long wavelengths as that is what I am most comfortable explaining (I am no engineer!), but hearing your explanation also helps to confirm whats in my head. Ill stick with your edit and keep it how it is – we really wanted this to be something that a novice could use to inform their decision making process, and although it could go more in-depth perhaps that is for another article.

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H9 = high, H11 = low. Dont use those custom capped H9s for the high beams, any quality German H9 will work for highs. The glare capped H9s are specifically for putting an H9 into an H11 reflector fixture like the fogs. To use them, yes you have to do some manual alterations.

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Low beams and fogs both use H11, and the GEs are the current leading best for maximum efficiency in H11 that I am aware of. Unfortunately halogens are really not ideal for changing the output color. To change the color requires filtering the light, which greatly reduces output. If you want true amber fogs, Id suggest checking out the KC G4 amber LED fogs. It is a complete replacement designed for LED from the ground up with light color coming in at 580nm which is the transition point from yellow to amber. I havent tried the amber version, but the standard G4s were outstanding performers, more-so than the specs would suggest. And I literally tried every single tacoma fog and pod.

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On the subject of the GRD (Gravity Reflective Diode which aims the LED to the reflectors), I chose to keep that out as I didnt want this first half to seem like it was too biased towards KC or like we are trying to sell a product. I only wanted the section at the end to have this in it. However, I think youre right. It is worth adding to that section. I will add something along the lines of: One way that the light can be controlled is by aiming the LEDs at precision designed reflectors, as opposed to only having forward facing LED chips.

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Thank you again for your feedback on this!

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Very valid point on the self bias/product promotion. When informative blogs seem be cleverly disguised product promotions it starts to degrade the quality IMO. I only mention it because the efficiency gains by using a reflector make comparing LED raw lumens to a forward facing design apple to oranges for output. Having to break that down to explain it though may also be to low level, but obviously advantageous to your GRD products. You may actually have the right balance and I am just over analyzing things.

Edit: on second thought Id stick with long wavelength penetrating which keeps it from getting too technical.

All in all, I think KC does a very good job in providing balanced lighting info on different technologies and various uses where they may be beneficial or not, vs many where one lighting platform and technology is the answer for everything.Click to expand…Thank you for this feedback good sir! Youre right about how deep into the weeds we want to go when explaining highly technical aspects of lighting, such as wavelengths. I originally show to only discuss the long wavelengths as that is what I am most comfortable explaining (I am no engineer!), but hearing your explanation also helps to confirm whats in my head. Ill stick with your edit and keep it how it is – we really wanted this to be something that a novice could use to inform their decision making process, and although it could go more in-depth perhaps that is for another article.

Also, while you mention long wavelength light penetrates poor weather conditions better, technically true! It is that the short wavelength light refracts and reflects more causing reduced visibility. Though it may be easier for average consumers to understand penetrating.

Great write up! A couple very small suggestions if you are willing to hear. Where you talk about raw lumens vs lux. One of the biggest benefiting factors inKC lightsis the LED designed reflectors are far more efficient than forward facing LEDs. The raw lumen rating of a G4 will outperform a higher raw lumen rating of an LED pod. Not sure if you want to incorporate light projection technology into that section but food for thought!

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On the subject of the GRD (Gravity Reflective Diode which aims the LED to the reflectors), I chose to keep that out as I didnt want this first half to seem like it was too biased towards KC or like we are trying to sell a product. I only wanted the section at the end to have this in it. However, I think youre right. It is worth adding to that section. I will add something along the lines of: One way that the light can be controlled is by aiming the LEDs at precision designed reflectors, as opposed to only having forward facing LED chips.

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Thank you again for your feedback on this!

Discussion inLightingstarted byToo StrokedFeb 16, 2018.

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