LED, light emitting diode, a semiconductor light source of solid state optical PN-junction diode, emitting light energy in the form of photons with the process electroluminescence.
2. Why is LED?
LED in modern times is widely used for a few features, small size, high efficiency, stability, shock resistant and environmental protection, as well as long life and energy-saving. Now we can see and touch LED products everywhere for display and lighting.
3. How to choose LED?
Do you need LED of Through Hole or SMD?
Size of LED diode: Diemeter 3mm, 4mm, 4.8(5)mm, 8mm, 10mm, 2*3*4mm, 2*5*7mm and so on
Color of LED diode: red, yellow, orange, green (yellow-green or traditional green and pure green), blue, white, pink, purple, dual-color or bi-color, RGB and so on.
Appearance of LED diode: type of round, square, oval, straw hat, helmet, concave, bullet and so on
Wavelength of LED diode: 370-410nm-purple, 455-462.5nm-white, 465-475nm-blue, 515-525nm-green, 565-575nm-(yellow-green), 585-595nm-yellow, 603-608nm-orange, 620-630nm-red
4. Why to be the partner with Kohon Optoelectronics?
Quality assurance: By certificate, ISO9001:2008, RoHS, REACH
By production, QC test more than 3 times
By after-sales, 8D report for product problems
Communication: Any doubt? Send enquiry.
Any assistance in need? Inform us.
Not only supplying product service, but also sales-asist for you.
Kohon Opto: 18 years experience since 1999 beginning in electronic component industry
Production capacity of 1,500,000 pcs per day
Skilled workers, engineers and excellent ASM Equipments.
5. Sharing by images
a. How about the terms of payment?
Generally it is EXW price and payment by T/T, Western Union and Paypal.
b. How about the Delivery time?
For normal item, it is 7 to 15 workdays up to order quantity.
For customized item, it is 10 to 30 workdays.
c. What is the sample policy?
Generally sample is 5 to 10 pcs, being free, freight is afforded by customer.
d. What is the warranty?
The warranty is 1 year.
e. How about the shipment?
DHL, FedEx, TNT, UPS, EMS, SF EXPRESS, ARAMEX, anyone of them.