+8618117273997 weixin
en English
Posttime: 02 Mar, 2012 Views: 99 Author: Jacky

Material Epitaxy, Composition and Illumination of LED Chip

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:

Goniophotometer
Spectroradiometer
Integrating Sphere
Colorimeter and Photometer
LED Test Instruments
CFL Testing Instruments
EMC testing
Electronic Ballast Tester
Equipments for Testing Electronic components
Electrical Safety Tester
Environmental Chamber
AC and DC power supply
Spectrophotometer

Tags:

Leave Message

Your email address will not be published. Required fields are marked *

=