COB LED strip introduction

Tutorial For Ordinary people
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How our skilled workers solder the LED strip
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Many customers need to cut the Ocona 4mm or 2.7mm Super Thin LED strip to the length they need, but the soldering is a pain. Here we have 2 videos shows you how workers solder it and how you shall solder it. Hope this help you!

How to solder such thin LED strips? Here shows how

Orange Red by ocona LED strip， starts from 1000meters.
Customize any color you like, just provide us a photo or sample, we can customize any color for you Lake Blue Emerald Blue Mars Green Dodger Blue Greenish Blue Turquoise Green Amber Color Gold Color Flame Color Chinese Red Rose Red Salmon red
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Customize any color you like, just provide us a photo or sample, we can customize any color for you
Lake Blue
Emerald Blue
Mars Green
Dodger Blue
Greenish Blue
Turquoise Green
Amber Color
Gold Color
Flame Color
Chinese Red
Rose Red
Salmon red

COB LED strip  Special customize

<h2>How to choose a outstanding COB LED strip lights?&nbsp;</h2>
Working Voltage:&nbsp;&nbsp;
5V, could be used any USB device
12V, usually car power is 12V
24V, suggested for long strip, there will be less voltage drop.
Interface:
It depends on the interface of LED controller&nbsp;
For static color, 2 wires, DC male/female plug
For CCT strip, 3 wires, or flat 4 Pin
For RGB strip, 4 wires, or flat 4 Pin
For RGBW strip, 5 wires, or flat 5 Pin
For RGBWC strip, 6 wires
Dimmable:
With dimmable strip you could adjust the brightness
Power: 
5W/m, less bright, the light more even for long strips
10W/m, balance between brightness and even light
15W/m, most bright, far power end could be a little dim, compared to 5W/m version.
Strip Width:&nbsp;
The PCB width 2.7mm 3mm 4mm 5mm 8mm 10mm 12mm, choose one suitable for installation.
Usually the wider the PCB is, the better the strip would be.&nbsp;
Wider PCB provide less power loss, higher current , better heat dissipation&nbsp;
LED quantity:
320LEDs/m 480LEDs/m&nbsp;
More LED will provide more uniform light.
For RGB 840LEDs/m, it is 280 red+ 280 green + 280 blue LEDs per meter
Minimum cut length
Short cut length will provide more installation flexiblity. Imagine your profile is 42.5cm, there will be a dark part if the cut length is 5cm
CRI Color Rendering Index: 
Higher CRI provides&nbsp; more real color the item iteself is. And high CRI is also good to human eyes.&nbsp;
If you use it to a picture, you definitely want it shows its orignal color.
Ra95 better than Ra90, then Ra 80, Ra70
Waterproof Level: 
IP20, not water proof
IP65, rainproof， but not underwater
IP68, could be used underwater
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Things you do not see from written parameter
1, The size of LED chipset.
As the chipset is sealed with glue, people care only the density of LEDs. As a manufacuture, we must say this is not enough. High quality COB use branded(Epistar Sanan) chipset with large luminous surface, brings more light. For example, our product uses 9*22mil chipset. Other may use 6*20mil. That is about 30% difference.
2, The thickness of PCB. Seller may declaim 2Oz copper or 35um double-deck PCB, that is thick version.&nbsp;
Better heat dissipation, longer life span.
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How to choose a outstanding COB LED strip lights among so many parameters? In this artical, we will explain what the parameter matters.

How to choose a COB LED strip

How to connect the wires of COB LED strip, if more than 5m/16.5ft?
A: connect several cob LED strips in parallel.
1, Power up at both ends, suitable for 1~10m strips
<img src="https://cdn1.funpinpin.com/o-store/2022/4/%E5%8D%95%E8%89%B203.jpg" alt="" />
2, Connect 2 strips in one socket, suitable for 1~10m strips
<img src="https://cdn1.funpinpin.com/o-store/2022/4/%E5%8D%95%E8%89%B202.jpg" alt="" />
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3, Use a wire to go with strip, connect strips in parallel via the wire, suitable for any more than 10m strips
<img src="https://cdn1.funpinpin.com/o-store/2022/4/%E5%8D%95%E8%89%B201.jpg" alt="" />

Usually COB strip is less than 5m for single roll, because of voltage drop issue. How to connect the wires of COB LED strip more than 5m/16.5ft? Here is the how

How to wire COB LED Light Strip?

<h2>What is COB?</h2>
Chip on board (COB) is a method of circuit board manufacturing in which the integrated circuits (e.g. microprocessors) are wired, bonded directly to a printed circuit board, and covered by a blob of epoxy. By eliminating the packaging of individual semiconductor devices, the completed product can be more compact, lighter, and less costly. In some cases, COB construction improves the operation of radio frequency systems by reducing the inductance and capacitance of integrated circuit leads.
<img src="https://cdn1.funpinpin.com/o-store/2022/4/rgb-226b3366-b26a-11ec-b7d1-37b4a7678489.jpg" alt="" />
<h2>What is the advantage of COB LED Strip?</h2>
Continuous and Uniform, spot free, without dark area
Flexible, bending resistance
Cuttable. Can be cut and re-joined by soldering or fast connector.
<img src="https://cdn1.funpinpin.com/o-store/2022/4/02.jpg" alt="" /><img src="https://cdn1.funpinpin.com/o-store/2022/4/05-3.jpg" alt="" />&nbsp;
SMD 2835 5050 LED strip has dark area, COB strip is a great improve for it.
<h2>What do I need to use a COB LED strip?</h2>
4 issentials:
Power supply: Any DC12V/24V. power adapter, car or truck, battery, power transformer
LED Controller: to control brightness or color, light mode
Remote control: send singals to LED controller
COB LED strip:&nbsp;
<img src="https://cdn1.funpinpin.com/o-store/2022/4/%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%8720220402173400.jpg" alt="" />
<h2>Parameter explanation:</h2>
480LEDs/m
Means 480 LEDs unit per meter, the more the LEDs, the more uniform the strip light will be
Color Temperature.&nbsp;&nbsp;3000K 4000K 6500K....
See 3000K is warm white, 4000K is natural white, 6500K is cool white
<img src="https://cdn1.funpinpin.com/o-store/2022/4/Colortemperatureblackbody800-12200K-1-af5cb42c-b268-11ec-9ddd-addc86c2802d.png" alt="" />
<img src="https://cdn1.funpinpin.com/o-store/2022/4/%E5%BE%AE%E4%BF%A1%E6%88%AA%E5%9B%BE20220402173320.png" alt="" />
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<h2>CRI: Ra &gt; 90</h2>
A Color Rendering Index (CRI) is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with a natural or standard light source. Light sources with a high CRI are desirable in color-critical applications such as neonatal care and art restoration.&nbsp;
Numerically, the highest possible CIE Ra value is 100 and would only be given to a source whose spectrum is identical to the spectrum of daylight, very close to that of a black body (incandescent lamps are effectively black bodies), dropping to negative values for some light sources. Fluorescent lights range from about 50 for the basic types, up to about 98 for the best multi-phosphor type. Typical white-color LEDs have a CRI of 80 or more, our COB strip Ra&gt; 90
<img src="https://ae01.alicdn.com/kf/H8afad68560884de1bf0210314bca3ae3C.jpg" alt="" />
<h2>Strip Width: 2.7mm 4mm 8mm 10mm</h2>
Means the width of PCB, wide PCB will provide better heat dissipation, less voltage drop
2.7mm width, no edge, soldering pad on back
4mm width, small edge, soldering pad on back
8mm/10mm, with edge, soldering pad on edge
<img src="https://cdn1.funpinpin.com/o-store/2022/4/%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%8720210330100948.jpg" alt="" />
<img src="https://cdn1.funpinpin.com/o-store/2022/4/10.jpg" alt="" />
<h2>Rated power: </h2>
10W/m. COB strip consumes 10Watt per meter
Because of voltage drop(the decrease of electrical potential along the path of a current flowing in an electrical circuit.) for low voltage electronics, the far power end can not get enough voltage for driving, so the strip can not reach full rated power, unless increase the &nbsp;power injection point on every short length.
<h2>Cut Length:</h2>
COB strip can be cut and re-joined by soldering or fast connector.
There is a black line(could be small) printed on PCB. There is where the strip can be cut.
If you do not cut on cut line, a small part between 2 cut lines will be broken. The other part will remain good.<img src="https://cdn1.funpinpin.com/o-store/2022/4/%E5%BE%AE%E4%BF%A1%E5%9B%BE%E7%89%8720220402181524.jpg" alt="" />
<img src="https://cdn1.funpinpin.com/o-store/2022/4/06.jpg" alt="" />
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<h2>What is DIM CCT RGB RGBW RGBWW RGBCW?</h2>
DIM, dimmer, usually for single color, you can adjust the brightness of strip
CCT, 1 strip with dual colors. Usually for white strip, our CCT strip can change from 2700K to 6500K
RGB, 1 strip with 3 colors, Red Green Blue. By the combination, theoretically 16M colors can be presented.
RGBW, 1 strip with 4 colors, RGB+W(White), could be warm white or cold white
RGBCW RGBWW, 1 strip with 5 colors, RGB+W(Warm white)+C(Cool white), with both warm and cool white
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<h4><a href="https://oconaled.com/blog/how-to-choose-a-cob-led-strip">How to choose a outstanding COB LED strip lights?</a></h4>
<h4><a href="https://oconaled.com/blog/how-to-choose-a-cob-led-strip">How to wire COB LED strip?</a></h4>
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