Development of LED semiconductor technology

With the development of technology, LED semiconductor technology has been widely used in various industries. Its application fields are mainly focused on signal indication, intelligent display, automotive lighting, landscape lighting and special lighting. The following are the latest developments in LED technology:

1. Nanowire LED: The Boer Institute researches nanowire LEDs. The core of the nanowire is a Gan material with a length of about 2 microns and a diameter of about 10 to 500 nanometers. The peripheral material is InGan. The light in the diode is determined by the mechanical tension between the two materials. This nanowire can provide higher brightness and energy savings with less energy.

2, Guantum dot LED: quantum dot (QD) using nanotechnology, QD particles are generally between 2nm ~ 12nm, quantum dot illuminants consist of luminescent core, semiconductor shell, organic ligands, such as luminescent cdse (selenium Cadmium) QD particles have the advantage of emitting visible light to infrared light, stable luminescence, and an internal quantum efficiency of up to 90%. Combined with LEDs, it produces a rich, bright white warm white light.

3. LEDs close to sunlight: It has been studied to use a nano-particle panel to scatter white LED light sources to obtain light close to sunlight. Using the principle of Rayleigh scattering, the white LED array is diffused into a “blue sky” effect, or micro The yellow spots simulate the sun, and the effect is good, which can greatly improve the light color quality.