What is the difference between COB and DOB:
COB light source is a high-efficiency integrated surface light source technology in which LED chips are directly attached to a high-reflectivity mirror metal substrate. This technology eliminates the concept of brackets, no electroplating, no reflow soldering, and no SMT process. Therefore, the process is reduced by nearly one-third, and the cost is also saved by one-third. Generally speaking, it is a lamp that is more advanced and more eye-friendly than LED strips.
DOB is the so-called "de" power supply, a new driving method derived from the characteristics of LEDs that is different from traditional switching power supplies. The so-called "de-powering" does not mean removing the power supply, but actually improving and simplifying the LED power supply, removing the relatively large electrolytic capacitors, transformers and other components in the power supply, simplifying the circuit design and components, reducing the volume, and making the volume Smaller parts are combined with LED packages. The combination of DOB with high-voltage LED can improve the life of the driving power supply, simplify the circuit, reduce the cost and increase the power density. Although, DOB has many advantages, but because of the lack of electrolytic capacitors, the luminous efficiency is low, there is strobe, the heat of the packaged device itself is increased, and the service life of the packaged product itself has a certain impact
Shenzhen Aihongyang Lighting Co., Ltd. is a high-tech energy-saving company specializing in the production of COB LED planar light sources. The company has 6 automated production lines with a daily output of 400K. The main advantageous products are LED lighting matrix packaging and LED lighting lamps. The company relies on LED With many years of experience in LED application in the electronic packaging industry, we have a production team developed by experts, masters and senior engineers. Products and services, dedicated to the application of LED T5, T8, T10 fluorescent lamps, LED ceiling lamps, LED bulb lamps, LED spotlights, LED downlights and other lamps; dedicated to LED light sources and products with low light decay and long life services. Continuous innovation in LED application products. The enterprise adheres to the principle of "integrity and sustainability", treats products with monographs, treats customers with sincerity, and acts as a model of honest management with the determination to build a century-old enterprise. Realize the perfect combination of the company's planar light source and traditional lamps, and contribute high-quality and low-cost products to the LED industry.