LED 3W Bridgelux 3535 circuit board

What is LED PCB?

LED PCB board technology has developed into the innovation of many new products. A good example is the development of PCBs for LED lighting. The LED is soldered to the circuit board, and the chip generates light when it is electrically connected. The heat sink and ceramic substrate printed board are used to connect the chip to absorb heat and cool the process.
PCB LED panels tend to induce a lot of heat, which makes cooling through traditional methods laborious. Therefore, the mental core LED circuit board is usually chosen to improve the heat dissipation capacity of the LED. In particular, aluminum is commonly used in the production of circuit boards for LED lights. Aluminum LED board usually includes a thin layer of thermally conductive dielectric material. Compared with PCBs of other materials, it can relocate and dissolve heat, and has excellent coherence.
PCB LED application

PCB LED lamps can be integrated into many lighting applications because of their excellent energy efficiency, low cost and maximum design flexibility, such as:
traffic light
Car headlight
Military lighting
Street tunnel lighting
Airport Runway
Street lighting
Photovoltaic (solar) lighting
Flashlight and lantern
Hospital operating room lights
Factory lighting, etc.
As a manufacturer of LED circuit boards with more than ten years of experience, www.pcbcoming.com can provide the production of LED circuit boards, and can purchase electronic components and printed circuit boards. We are happy to cooperate with you to develop customized Aluminum base board/Metal Core PCB for your specific application. We provide standard FR-4 circuit boards at reasonable prices. They are coated with hot aluminum, which can effectively dissipate heat, cool all LED circuit components, and significantly improve product performance.
What is embedded LED PCB and its working principle?
LED stands for light-emitting diode. They are semiconductor diodes and belong to the electroluminescent lamp group. They generate light through the recombination of charge carrier pairs in the semiconductor and have a suitable energy band gap. Due to its low voltage, working power, compact size, long life and stability, LEDs are used in industrial and consumer markets. One of its most attractive features is that it can generate light without generating a lot of heat, making it safe in daily use. Its function is the main reason why the LED is integrated into the printed circuit board (PCB). LEDs are reliable and efficient enough for PCB applications. They act as light, especially in non-touch membrane switches. Integrated LED circuit boards are usually used for polyester graphics and rubber keyboards.
User Interface
Circuit boards are often used in the lower circuit of membrane switches, especially because they provide it. Display the LED display window. These are usually easy to integrate into a printed circuit board switch design, but there are some choices when it comes to which type of LED to use.
Single point and blocking LED
They have the most functions and the best effects on almost all types of surface materials. Note that matte or textured surfaces are best for greater light diffusion. It is also important to remember that although LEDs cannot touch the active area of the switch, they can be convinced that they are part of the switch through graphic manipulation.
Integrated or surface-mounted single-point LED
The integrated or prominent single-point LED can be installed in the lower ring of the lower layer. For these types of LEDs, different colors can be used, including bi-color LEDs. When the graphic layer is shaped to receive the LED, it is easy to terminate the termination from the same end of the connector. Please note that you do not need to save the LED completion chart in a separate queue.
Advantages of integrated LED PCB.

As electronic components become thinner and thinner, the use of LED membrane switches is advantageous because it makes product delivery and final assembly easier. These integrated LED cards are most suitable for low-light, consumer, equipment, medical equipment, light to medium industrial, and certain marine and aerospace applications. Regardless of the application, the advantages of an integrated LED board are many:
Lightweight and unobtrusive
Low cost backlit membrane switch
Resistant to dust and humidity
Easy to integrate into games with complex interface
Low energy consumption
There are many colors, sizes and strengths to choose from
Can be used for flexible silver film switches and flexible copper film switches

If the LED is integrated into the circuit board, it is easier to combine the LED membrane switch with the keyboard, touch screen and other types of membrane switches. Even when creating complex backlight switch assemblies, built-in or embedded LED PCBs can provide greater design freedom. The small thickness of the LED membrane switch reduces the total area of these complex switch interfaces. Designers and engineers often choose integrated LED PCBs when checking and updating products.
Generally speaking, LED PCB provides the most convenient backlight for membrane switches. Sometimes they are a better choice for backlighting small icons and symbols, because uniform backlighting of larger icons and symbols with embedded LED PCB circuits is not so easy to achieve.

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