Types of Led Chip Material Epitaxy
1.LPE:Liquid Phase Epitaxy GaP/GaP
2.VPE:Vapor Phase Epitaxy GaAsP/GaAs
3.MOVPE:Metal Organic Vapor Phase Epitaxy AlGaInP、GaN
4.SH:GaAlAs/GaAs Single Heterostructure GaAlAs/GaAs
5.DH:GaAlAs/GaAs Double Heterostructure GaAlAs/GaAs
6.DDH:GaAlAs/GaAlAs Double Heterostructure GaAlAs/GaAlAs
Composition and Illumination of LED Chip
Composition of LED chip: It is mainly composed of arsenic (AS) aluminum (AL) gallium (Ga) indium (IN) phosphorus (P) nitrogen (N) strontium (Si).
Classification of LED chip
1、Brightness:
A、General brightness ( Brightness Meter ):R、H、G、Y、E and so on
B、High brightness:VG、VY、SR and so on
C、Ultrahigh brightness:UG、UY、UR、UYS、URF、UE and so on
D、Invisible light (infrared ray):R、SIR、VIR、HIR
E、Infrared receiving tube:PT
F、Phototube:PD
2、Components:
A、Two quaternary chips (phosphorus, gallium): H, G and so on
B、Three quaternary chips(Phosphorus, gallium, arsenic): SR、HR、UR and so on
C、Four quaternary chips:SRF、HRF、URF、VY、HY、UY、UYS、UE、HE、UG
About Lisun Group:
Lead in CFL and LED Tester. Click to our product lists:
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