far red LED chip

Far Red LED Chips


Far red LED chips are a type of LED chip that emit light in the far red spectral range, typically between 700 and 800 nanometers (nm) in wavelength. These LED chips are made using semiconductor materials such as aluminum gallium arsenide (AlGaAs) or indium gallium aluminum phosphide (InGaAlP) that are doped with specific impurities to create a p-n junction that can emit far red light when a voltage is applied.

Far red LED chips are used in a variety of applications, including horticultural lighting, medical therapy, and general lighting. In horticultural lighting, far red light is used to stimulate plant growth and regulate flowering. Far red light is also used in medical therapy, as it has been shown to have a positive effect on wound healing, skin conditions, and pain relief.

The performance of far red LED chips is 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. The efficiency of far red LED chips is typically lower than that of other LED chips, but they are often combined with other LED chips to create a full spectrum of light for optimal plant growth or medical therapy. The color quality of far red LED chips is also important, particularly in horticultural applications, as it affects the growth and development of plants. The lifetime of far red LED chips is influenced by the same factors as other LED chips, and proper thermal management is particularly important for maximizing their lifetime.

Type Material Wavelength Wp 20mA 40mA 100mA 350mA 700mA

Far Red


700nm x x x x x
705nm x x x x x
710nm x x x x xx
715nm x x x x x
720nm x x x x x
725nm x x x x x
730nm x x x x x
735nm x x x x x
740nm x x x x x

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