GaN based LED Epitaxial Wafer
PAM-XIAMEN’s GaN(gallium nitride)-based LED epitaxial wafer is for ultra high brightness blue and green light emitting diodes (LED) and laser diodes (LD) application.
- Descrizione
Product Description
The LED epitaxial wafer is a substrate heated to an appropriate temperature. The LED wafer material is the cornerstone of the technology development for the semiconductor lighting industry. Different substrate materials require different LED epitaxial wafer growth technology, chip processing technology and device packaging technology. The substrate for LED epi wafer determines the development route of semiconductor lighting technology. To achieve luminous efficiency, epitaxial wafer suppliers pay more attention to GaN based LED epitaxial wafer, since the epitaxial wafer price is in low cost, and the epi wafer defect density is small. LED epi wafer advantage on GaN substrate is the realization of high efficiency, large area, single lamp and high power, which make the process technology simplify and improve the large yield rate. The development prospects of the LED epi wafer market are optimistic.
1. LED Wafer List
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LED Epitaxial Wafer |
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| Voce | Dimensione | Orientation | Emission | Wavelength | Thickness | Substrato | Surface | Usable area |
| PAM-50-LED-BLUE-F | 50mm | 0°±0.5° | blue light | 445-475nm | 425um+/-25um | Sapphire | P/L | >90% |
| PAM-50-LED-BLUE-PSS | 50mm | 0°±0.5° | blue light | 445-475nm | 425um+/-25um | Sapphire | P/L | >90% |
| PAM-100-LED-BLUE-F | 100mm | 0°±0.5° | blue light | 445-475nm | / | Sapphire | P/L | >90% |
| PAM-100-LED-BLUE-PSS | 100mm | 0°±0.5° | blue light | 445-475nm | / | Sapphire | P/L | >90% |
| PAM-150-LED-BLUE | 150mm | 0°±0.5° | blue light | 445-475nm | / | Sapphire | P/L | >90% |
| PAM-100-LED-BLUE-SIL | 50mm | 0°±0.5° | blue light | 445-475nm | / | Silicon | P/L | >90% |
| PAM-100-LED-BLUE-SIL | 100mm | 0°±0.5° | blue light | 445-475nm | / | Silicon | P/L | >90% |
| PAM-150-LED-BLUE-SIL | 150mm | 0°±0.5° | blue light | 445-475nm | / | Silicon | P/L | >90% |
| PAM-200-LED-BLUE-SIL | 200mm | 0°±0.5° | blue light | 445-475nm | / | Silicon | P/L | >90% |
| PAM-50-LED-GREEN-F | 50mm | 0°±0.5° | green light | 510-530nm | 425um+/-25um | Sapphire | P/L | >90% |
| PAM-50-LED-GREEN-PSS | 50mm | 0°±0.5° | green light | 510-530nm | 425um+/-25um | Sapphire | P/L | >90% |
| PAM-100-LED-GREEN-F | 100mm | 0°±0.5° | green light | 510-530nm | / | Sapphire | P/L | >90% |
| PAM-100-LED-GREEN-PSS | 100mm | 0°±0.5° | green light | 510-530nm | / | Sapphire | P/L | >90% |
| PAM-150-LED-GREEN | 150mm | 0°±0.5° | green light | 510-530nm | / | Sapphire | P/L | >90% |
| PAM-100-LED-RED-GAAS-620 | 100mm | 15°±0.5° | red light | 610-630nm | / | GaAs | P/L | >90% |
| PAM210527-LED-660 | 100mm | 15°±0.5° | red light | 660nm | / | GaAs | P/L | >90% |
| PAM-210414-850nm-LED | 100mm | 15°±0.5° | IR | 850nm | / | GaAs | P/L | >90% |
| PAMP21138-940LED | 100mm | 15°±0.5° | IR | 940nm | / | GaAs | P/L | >90% |
| PAM-50-LED-UV-365-PSS | 50mm | 0°±0.5° | UVA | 365 nm | 425um+/-25um | Sapphire | ||
| PAM-50-LED-UV-405-PSS | 50mm | 0°±0.5° | UVA | 405 nm | 425um+/-25um | Sapphire | ||
| PAM-50-LED-UVC-275-PSS | 50mm | 0°±0.5° | UVC | 275nm | 425um+/-25um | Sapphire | ||
| PAM-50-LD-BLUE-405-SIL | 50mm | 0°±0.5° | blue light | 405nm | / | Silicon | P/L | >90% |
| PAM-50-LD-BLUE-450-SIL | 50mm | 0°±0.5° | blue light | 450nm | / | Silicon | P/L | >90% |
As a LED epitaxial wafer manufacturer, PAM-XIAMEN can offer activated and unactivated GaN Epi LED wafer for LED and laser diodes (LD) application,such as For micro LED or ultra thin wafer or UV LED researches or LED manufacturers. LED epitaxial wafer on GaN is grown by MOCVD with PSS or flat sapphire for LCD back light, mobile, electronic or UV(ultraviolet), with blue or green or red emission, including InGaN/GaN active area and AlGaN layers with GaN well/AlGaN barrier for different chip sizes.
2. InGaN/GaN(gallium nitride) based LED Epitaxial Wafer
GaN on Al2O3-2” epi wafer Specification(LED Epitaxial wafer)
| White： 445～460 nm |
| Blue： 465～475 nm |
| Green： 510～530 nm |
Tecnica 1. Crescita - MOCVD
Diametro 2.Wafer: 50,8 millimetri
3.Wafer substrate material: Patterned Sapphire Substrate(Al2O3) or Flat Sapphire
4.Wafer dimensioni modello: 3X2X1.5μm
3. Wafer structure:
| strati di struttura | Thickness(μm) |
| p-GaN | 0.2 |
| p-AlGaN | 0.03 |
| InGaN / GaN (area attiva) | 0.2 |
| n-GaN | 2.5 |
| u- GaN | 3.5 |
| Al2O3 (substrato) | 430 |
4. Wafer parameters to make chips:
| em | Colore | Chip Size | Caratteristiche | Aspetto | |
| PAM1023A01 | Blu | 10mil 23mil x |  |
Illuminazione | |
| Vf = 2.8 ~ 3.4V | retroilluminazione LCD | ||||
| Po = 18 ~ 25mW | apparecchi mobili | ||||
| Wd = 450 ~ 460nm | elettronica di consumo | ||||
| PAM454501 | Blu | 45mil 45mil x | Vf = 2.8 ~ 3.4V |  |
illuminazione generale |
| Po = 250 ~ 300mW | retroilluminazione LCD | ||||
| Wd = 450 ~ 460nm | display esterno |
5. Application of LED epitaixal wafer:
*If you need to know more detail information of Blue LED Epitaxial Wafer, please contact with our sales departments
Illuminazione
retroilluminazione LCD
apparecchi mobili
elettronica di consumo
6. Specification of LED Epi Wafer as an example:
Spec PAM190730-LED
– size : 4 inch
– WD : 455 ± 10nm
– brightness : > 90mcd
– VF : < 3.3V
– n-GaN Thickness : <4.1㎛
– u-GaN thickness : <2.2㎛
– substrate : patterned sapphire substrate (PSS)
7.GaAs(Gallium arsenide)based LED Wafer Material:
Riguardo GaAs wafer LED, vengono fatti crescere mediante MOCVD, vedi sotto lunghezza d'onda di GaAs wafer LED:
Rosso: 585nm, 615nm, 620 ~ 630nm
Yellow:587 ~ 592nm
Yellow/Green: 568 ~ 573nm
8. Definition of LED Epitaxial Wafer:
What we offer is bare LED epi wafer or not processed wafer without lithography processes, n- and metals contacts, etc. And you can fabricate the LED chip using your fabrication equipment for different application such as nano optoelectronics research.
Per queste specifiche di wafer a LED GaAs dettaglio, si prega di visitare:GaAs Epi Wafer per LED
Per le specifiche di wafer a LED UV, si prega di visitare:UV LED Epi Wafer
Per wafer di silicio LED specifiche, si prega di visitare:Wafer LED on Silicon
Per le specifiche Blu GaN LD wafer, si prega di visitare: Blu GaN LD Wafer
850nm and 940nm infrared LED wafer
850-880nm and 890-910nm Red Infrared AlGaAs /GaAs LED Epi-Wafer
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