FAQ's About HID / Xenon Lighting System

FAQ's About HID / Xenon Lighting System

What does HID stand for?
Why does HIDConcept only give 1 year of warranty?
How do I contact HIDConcept?
What is color shift?
How do I measure the K(Kelvin) of my HID Xenon bulbs?
Do I need a matching set of HID Xenon bulbs?
What are D2S and D2R?
What is the difference between D2R and D2S?
Who is manufacture for the OEM HID Xenon bulbs?
What is the difference between Philips and Osram HID Xenon bulbs?
Can I add HID Xenon conversion kit on my DRL (Daytime Running light)?
How do I figure out if the bulb is bad or the ballast?
Are these HID Xenon light systems street legal?



What does HID stand for?

HID stands for High Intensity Discharge. It refers to lighting technology that relies on an electrical charge to ignite xenon gas contained in a sealed bulb. The technology of HID Xenon automotive lamps is similar to that of common vapor-filled street lamps. HID Xenon lighting doesn't have a filament but instead creates light by igniting an arc between two electrodes. 


Why does HIDConcept give only 1 year of warranty?

Some vendors offer 'LIFETIME WARRANTY'. It would be very good if they really take care of you for lifetime. However, most places who offer such lifetime warranty go out of business in 1 to 2 years. 

Then, where will you file a warranty claim through? We have been in the market since 2001 and we are very confident on the quality of our products. Therefore, we would like to provide a true realistic 1 year of warranty period. We do not advertise and promise on something that we cannot follow up with, but rather deal with customers with trust.


How do I contact HIDConcept? 

The best way to contact us is via email. 
email: info@hidconcept.com
telephone: 1-888-579-5917


Why does a new HID Xenon bulb look yellower than my old one? 

It is very rare to find a high quality (Osram, Philips, GE) HID Xenon bulbs break, but if it does happen it would be a normal thing purchase same brand and model. It is a normal thing that a replacement bulb of same brand and model will look more yellow, because all HID Xenon bulbs do color-shift to become bluer and whiter as more usage applies on the bulbs. Therefore, putting a new bulb on one side and used bulb on the other side will give you an un-even color and lighting output. Up until now, dealers have told custmers that there is not much to do about it, unless both bulbs are new.


What is color shift? 

The labled light color on an HID Xenon bulb is an average that it will maintain over 2-3000 hours. After passing around 100-500 hours the phenonmen "color shift" will take place. Color will change slightly from a yellowish tone to a crisper bluer tone. The magnitude of color shift will vary depending on brand, model and rated color. It is a very gradual change and unless paid close attention to, a customer might not notice. OEM 4100K Bulbs manufactured by Philips has been reported to have a more noticeable color shift than OEM 4100K Osram. OEM 4100K Bulbs manufactured by Philips has a colorshift of approx 250K after 500 hours, which will bring it to up to 4350K. 
Asian manufactured bulbs has been reported to have little or no color shift. Most of them come with output stealing blue filters, which may be part of the cause.


How do I measure the K(Kelvin) of my HID Xenon bulbs? 

Many HID Xenon bulb resellers claim a certain color or Kelvin rating. Many times these bulbs is not the Kelvin rating they are supposed to have. The manufacturer know that the customer will never be able to measure this anyway. You can stare at the coating or salt micture for decades, but it will still end up being homebrew guestimates. It would require advanced measuring equipment worth several thousand dollars. Many customers buys HID Xenon kits second hand and needs spare bulbs. Unless part number listed on bulb, you are more or less traceing back a dead end. Resellers of HID Xenon kits comes and goes and manufacturers are changing specs faster than you change underwear. Both Osram and Philips have P/N listed on bulbs, detailed specs are released on the web, and they stand behind their claim of lifetime.


Do I need a matching set of HID Xenon bulbs? 

Yes. Always get a matched pair. This means they must have the same: 
·  Manufacturer 
·  Part number 
·  Use time (if bought second hand) 

Exceptions from this will show smaller or bigger differences in color, output and size of hotspot.


What are D2S and D2R? 

The letter combination has a meaning to them. 
·  D2S: Discharge second generation shielded 
·  D2R: Discharge second generation reflection


What is the difference between D2R and D2S? 

The main difference is that D2R bulb has the U-shaped masking on the capsule, which blocks out unpredictable light in certain direction, when D2S bulb has no masking on its capsule, but just clear. They did not want to use projectors like BMW. A glare box inside the headlight could have been used to accomplish a straight line, but a mask painted on the bulb was cheaper to make and had better precision. Other (near) luxury cars (Lexus, Infinity and Acura) followed Mercedes and equipped their cars with D2R bulbs in reflector based headlamps. Using a D2R in anything else than an OEM HID Xenon headlight designed for the D2R bulb makes no sense. It will only reduce output. Some HID Xenon kits come with D2R bulbs. Some amateur kit designers will even claim that D2R generally reduces glare in a retrofit. This is nonsense. The D2R bulb masking is around 3-4 a'clock and 8-9 o'clock when bulb is in right position. Those are not the (only) sectors that creates glare.

As an example, here is the data on Philips 2 versions: 
·  PHILIPS OEM D2S (Model# 85122): 3,200lm, 4,300K, 35W 
·  PHILIPS OEM D2R (Model# 85126): 3,200lm, 4,300K, 35W


Who is manufacture for the OEM HID Xenon bulbs? 

Philips and Osram manufacture the OEM HID Xenon bulbs that are widely used in cars in North America/Europe. (GE is still trying to get their feet into car manufacturers budget.) They come with standard 4300K color temperature only. This is the only legal HID Xenon bulb color temperature under DOT/ECE regulations. Many projector headlights in upscale vehicles may look like they have higher Kelvin rating, but that is an optical effect.


What is the difference between Philips and Osram HID Xenon bulbs?

Philips bulb is slightly whiter than Osram bulb. The amount of lumen is the same. Osram bulb seems to be softer on the eye. (Its proven that a lower amount of blue and higher amount of yellow irritates eyes less). Philips has the exact opposite, slightly more blue, slightly less yellow, so they appear more colder white.


Can I add HID Xenon conversion kit on my DRL (Daytime Running light)? 

HID Xenon conversion kit requires constant 12V power as an input power source. Thus, running lower voltage on DRL would be harmful to the HID Xenon conversion kit and needs to be de-activated.


How do I figure out if the bulb is bad or the ballast?

If one side of HID Xenon light stopped working, you can check your fuse, try the working side Hid Xenon bulb on Non-working side to see if it lights up. If it lights up, it’s the bulb, but if it does not, it’s most likely the ballast that needs a replacement unit.


Are these HID Xenon light systems street legal?

NO HID Xenon conversion kit available from any source is DOT approved if installed outside of the factory. Moreover, in the U.S, this is not street legal for use on public roads. As a result, we officially endorse the kit for exhibition and off-road use and will only sell the kit to be used for these purposes. We are not responsible for buyers who violate the terms of sale while in which they will assume all responsibilities for any unauthorized or unintended use other than exhibition or off-road use.


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