Most lighting designers believe that the quality of all LED products are the same. However, many LED manufacturers and suppliers, Asian manufacturers to low-cost global supply LEDs. Surprisingly, only a small part of these manufacturers to create high quality led lights. For applications that only used as a simple indicating the role of the low quality of the LED is sufficient to meet the requirements. However, in many areas of the requirements of consistency, reliability, solid-state instructions or lighting must be of high quality led lights, especially in harsh environments, such as highways, military / aerospace, and industrial applications.
In the New York subway stations and other environmental, safety requirements are very demanding, the led high bay lights must meet the high quality requirements of the fundamental factors.
Distinguish between the level of LED quality factors? How to tell the difference between the two LED’s? In fact, high-quality LED chip start until assembly is complete, during which there are many factors to consider. Tier-One, the LED manufacturing company capable of producing excellent indicators of the same wafer is to start from the high-quality LED manufacturing materials, enough to make a good chip. Determine the conditions of the LED performance, the chemical materials used in wafer production process is a very important factor.
A 2-inch wafer can be cut out more than 6000 high quality led lights chip, there is only individual chip performance overall. A good chip manufacturer makes chips in the difference of color, brightness, and the voltage drop is very small. When the LED chip package is completed, many of their performance, there may exist a great difference, such as perspective. In addition, the impact of packaging materials is quite large, for example, silicone epoxy performance.