blue LED chip

Blue LED Chips


Blue LED chips are a type of LED chip that emit light in the blue spectral range, which is between 450 and 500 nanometers (nm) in wavelength. Blue LED chips are made using semiconductor materials, such as gallium nitride (GaN) or indium gallium nitride (InGaN), which are doped with impurities to create a p-n junction that can emit blue light when a voltage is applied.

Blue LED chips are important in the development of white LED lighting, which uses a combination of blue LED chips and yellow phosphors to create white light. Blue LED chips are also used in a variety of applications, including backlighting for displays and signage, automotive lighting, and general lighting. Blue LED chips offer several advantages over traditional lighting sources, including lower power consumption, longer lifetime, and higher color quality.

Blue LED chips have played a significant role in the development of modern lighting technology and have won several Nobel Prizes in physics for their contributions to the field. The performance of blue LED chips is typically characterized by their efficiency, color quality, and lifetime, which are influenced by factors such as the quality of the semiconductor material, the design of the p-n junction, and the thermal management of the device.

Type Material Wavelength Wp 20mA 40mA 60mA 100mA 120mA 150mA 200mA 350mA 500mA 700mA


GaN 425nm x x x x x x x x x x
430nm x x x x x x x x x x
435nm x x x x x x x
445nm x x x x x x
450nm x x x x x x x x x x
455nm x x x x x x x x x x
460nm x x x x x x x x x x
465nm x x x x x x x x x x
470nm x x x x x x x x x x
475nm x x x x x x x x x x
480nm x x x x

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