Sunfree Lighting Limited is a high-tech manufacturer specialized in R&D and production of solar led street light

How you can Compare LED Lights When purchasing in Bulk

by:SUNFREE     2020-07-05
With the increase in popularity of LED lighting, many people are confused when it comes to picking an LED lamp. First we should understand that the quality and associated with lamps are determined by four components: LED chip, LED driver, Heat Sink and Printed Circuit Board (PCB). 1. LED Chip One of these two most key components of an LED lamp, chips are presented in a lot of performance standards and consequently the price will vary depending upon the brand of chip utilized by the label. While high performance lamps use CREE or OSRAM; the price may perceived as little rich for most consumers. Instead, you may want to opt for virtually any lamp using a chip from Bridgelux, Samsung or Epistar to name but three affordable, quality chips.Use with a good quality chip translates to beautiful color, (as gauged by its color temperature and color rendering index - CRI), as well as high luminous efficacy (a measure of how well a light produces visible light). Chip lengths are measured in millimeters (mil) 1 millimeter equals one thousandth of an inch. Generally, the larger the chip the better the results. As specifications and claims by manufacturers will often be over-stated, it is prudent to compare one lamp with another by determining which components are utilized for the creation of the products in question. Many manufactuers use SMD LED chips in indoor lighting, such as SMD 2835 in LED tubes, and SMD 3014 in LED panel lighting fixures. These low power LEDs produce fewer lumens resulting in a light is actually why easy on human eye. Simply put, a lumen is often a measurement among the amount of sunshine emitted per second. High power LEDs are used in industrial lamps due to their small size and the result is a concentrated light that does an excellent job. Many LED high bay lamps are fitted with 45x45 mil chips and arewidely-used and packaged with a chips on this phone (COB) light. For your information, the numbers 2835, 3014, 3528, 5050, 5630 end up being names of packaging process models. Another process having a very promising future will be the previously mentioned COB light source, where chips are mounted right on the printed circuit boards (PCB) nothing like surfaced mount devices (SMD). As these light sources have many types of features, every day you have a few minutes to familiarize yourself with them in order to best suit your requirements. As have got seen, LED packaging is closely tied to its performance and manages an associated with functions including heat dissipation, light distribution and varying the color temperature and CRI from the chip.It is interesting to see that a chip generates white light has yellow phosphor combined with it to alter the original blue light it initially produces to white. 2. LED Driver The second key component is the power system, known as the chauffeur. It is the limiting think about the longevity of the LED lamp - as there is an urban myth that alleges lifespan of a lamp can be much as 30 years; the driver might only last 1000 to 2000 hours. So ignore manufacturer claims of 50,000 hour of LED lamp lives. A reputable driver, for Meanwell, to expect to have 15,000 hours of whole life. However, the cost would be 80% compared to the average driver manfactured in Malaysia. Most manufacturers use their own driver. In these cases it is sensible to inquire if the capacitor comes in the reputable maker. Another indication of daily life is the warranty offered. 3. Heat Sink LEDs are temperature sensitive making the high temperature sink a big concern. Most products work aluminum alloy heat sink for your money efficiency even though the specifications don't really tell us much, there are three items we seem at. A. Thermal conductivity: die-cast 6063 aluminum is the commonest material utilized .. The better ones have anodized coating. S. Quantity and size of fins: the more and the bigger the a great deal better. C. Heat pipe is present in some high power LED lamps. 4. Pcb The materials and the design of a PCB is significant as it connects the chip to the heating sink. A PCB with low thermal conductivity provides a hot table lamp. Metal and ceramic core PCBs have a good heat transfer coefficient do not manufacturers choose fiberglass to save money.
Custom message
Chat Online 编辑模式下无法使用
Chat Online inputting...
Thank you for your enquiry. We will get back to you ASAP