Queendom Technology has been committed to the production and sales of LED lights for 18 years. It is an LED lamp bead manufacturer, a light-emitting diode manufacturer,

LED light-emitting diode materials and applications，ight-emitting diodes(LEDs) are optoelectronic components made of three-five group compoundsemiconductors, whose core is a PN junction. Under the forward voltage,electrons are injected into the P zone from the N zone, and holes are injectedinto the N zone from the P zone. Some of the minority carriers and the majoritycarriers that enter the opposing area recombine and emit light. The nature ofthe material forming the PN junction (band gap) deter

Queendom Technology has been committed to the production and sales of LED lights for 18 years. It is an LED lamp bead manufacturer, a light-emitting diode manufacturer,

Queendom Technology has been committed to the production and sales of LED lights for 18 years. It is an LED lamp bead manufacturer, a light-emitting diode manufacturer,

China Queendom specializes in the development and production of control panels, Smart home control panel, control panel development, scheme design, and automation control panels. The company provides development and production of dishwasher control panels, industrial control panels, intelligent IoT equipment, intelligent control panels, medical equipment, etc. service. Participating in several home furnishing exhibitions can become a shining "star" in the exhibition. The products of China Manuf

Guangdong Queendom Technology Co., Ltd. is an integrated enterprise of research, production and sales, and a technological leader with R&D as the core. Its main business involves consumer market products, home lighting, furniture partial lighting customization, hospitals and schools large-scale energy consumption control Lighting, photobiological eye protection lighting, road traffic and public place lighting