Patterned substrate sapphire (PSS) is widely used in LED industry as it improves GaN epitaxial crystal quality and increases LED’s light extraction efficie
InGaN/GaN blue multiple quantum well (MQW) light emitting diodes with low-temperature heavily Mg doped and unintentionally doped (UID) electron blocking lay
Detecting human movement accurately is the basis for Interactive LED lighting control.The paper presents a moving object detection method based on microwave
Recently,the alternating current light emitting diode (AC LED) has been investigated and was regarded as a potential device for solid state lighting.In this
MANY OF THE RELIABILITY WORK INVOLVES EXTENSIVE TESTING,FINDING FAILURE MODES,ESTABLISHING A MODEL FOR ACCELERATED STRESS.HOWEVER,TO PUT A RELIABLE PRODUCT
This paper discussed about universal interface for LED driver to reduce its pin count and simplifying its connection port to external device to improve the
Modulated design of LED luminaire is an emerging trend for inter-changeability concern.For spotlight module design,heatsink is typically separated from the
With the development of LED lighting,LED drive power technology is constantly evolving.LED driver transformer design as a core part of power supply design,a
In this paper,the characteristics of nitride-based blue light-emitting diodes (LEDs) with double superlattices are analyzed numerically.One of the superlatt