![]() ![]() Table 2 and Table 3 rank companies in the two more specific categories. We've evaluated general LED suppliers in North America in Table 1. Packages include F5 lamps used in indoor applications, surface mount devices (SMDs) that are typically used in displays, high power LEDs used in spot lighting, and COB LEDs for outdoor lighting. They secure and encapsulate the chip with LED phosphors and epoxy silicone resin, and allow for versatility and standardization in LED lighting applications. The LED packages protect the LED chip and the welded lead wires from direct contact with the environment. LED packages are assemblies that house the LED chip. These companies manufacture LED packages. LED chips enable the management of luminosity, brightness, color, and lifetime for applications on roadways, parking areas, and indoors. The chips can be bonded directly to the substrate within the LED bulb so that the bulb is referred to as a chip-on-board (COB) LED. Current flows through the chip, emitting light. These global companies manufacture LED chips that enable control of LED lighting. Lastly, the article includes summaries of LED Lighting manufacturers who sell finished lighting units either wholesale or retails to businesses or consumers. ![]() The second group represents manufacturers of packaging, which is defined here to be the housings or other assemblies which hold the semiconductor LEDs, provide associated electrical input wiring or harnesses, and include any needed mounting connections. The first group represents manufacturers of LED chips, the semiconductor devices themselves. In this article, we have summarized and characterized the suppliers of LED lighting technology in three distinct sets of companies. The term LED is an acronym for Light Emitting Diode, a light source that generates photons from the movement of electrons that recombine with electron holes when an electrical current is passed through through a semiconductor material that contains a specific type of p-n junction. Top 10 LED Lighting Assembly Manufacturers in the U.S. ![]()
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