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EOSLED publishs so many LED FAQs to help you understand LED products. Welcome to submit new questions, we promise to reply and publish as new LED FAQs within 48 hours.

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# Article Title Hits
1 Can you prepare China certificate of origin for my order 330
2 Do you accept paypal? 142
3 Can you offer OEM service for customer? 129
4 Are you a supplier or manufacturer? 143
5 What are OLED or PLED? 217
6 What is solid-state lighting(SSL)? 190
7 What is PWM? 179
8 What is maximum operating point? 184
9 What is safe operating point? 164
10 LED meltdown - what is it and how it "works"? 249
11 If I know the exact voltage across my LED can I determine the exact current? 167
12 LEDs resistance - what is it and how it behaves? 168
13 Resistor - what type should I use with my LED? 171
14 LED internal dimmer - what is it and how it works? 202
15 Can I use a dimmer with my LED? 184
16 Driver - what is it and what type should I use with my LED? 178
17 Adaptor (or converter) - What is it and Why I need it with my LED? 161
18 LED array - what is it? 164
19 I have a "12 Volt LED" - what does it mean? 166
20 Low voltage or High voltage LED light saves more energy? 198
21 What is Ohm's Law? 158
22 What's the deal with LEDs wired in series or parallel? What about "current hogging" and "thermal runaway"? 216
23 What's the deal with LEDs and heat? 177
24 What's "bin"? 172
25 Why is Vf important, and how do I measure it? 166
26 What's "Vf"? 167
27 How can an LED be more efficiently driven? 158
28 Is turning an LED on and off bad for it? What's "PWM"? 166
29 With all the buzz around compact fluorescent bulbs, should I skip this step towards efficient lighting altogether and move directly to a LED bulb? 145
30 How do I compare my current lighting with LED lighting so I can make intelligent decisions? 141
31 What types of LED Lighting products are readily available? 168
32 What are the advantages of using LEDs over traditional incandescent lighting? 153
33 Are E26 and E27 Light bulb bases interchangeable? 205
34 What are High power LED Bulbs 167
35 What are benefits of LED Bulbs 158
36 What does PAR mean? 194
37 What is Lux? 179
38 What is lumen? 168
39 Is there a difference between an E26 and an E27 type lamp base? 282
40 What is junction temperature? 206
41 How does ambient temperature affect LED efficiency? 167
42 Why is the life span of an LED measured as lumen depreciation? 190
43 Why use LED drivers 279
44 LED advantages 189
45 How Light Emitting Diodes (L.E.D.) work? 169
46 What is LED lighting? 148
47 What is an LED? 153
48 How to install LED panel light? 339
49 How to install LED tube light? 442
50 Why LEDs? 237
51 How to distinguish LED color temperature? 219
52 Can I get LED light fixtures in different strengths and beam angles? 201
53 How to make payment? 765
54 Why are LED tubes more efficient than other lighting? 211
55 What type of lighting uses LEDs? 226
56 What is the lifespan of LEDs? 225
57 Can I replace an existing T8 fluorescent tube with an LED version? 285
58 Are electrical modifictions required? 213
59 Do LED tubes contain hazardous chemicals? 268
60 Do LED tube lights flicker or emit UV? 438
61 What is an LED tube? 244
62 What is your delivery time? 240
63 What is your MOQ? 914
64 What are your payment terms? 260