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High Power AlInGaN-Based Deep Ultraviolet Light Emitting Diodes

Award Information

Agency:
Department of Defense
Branch:
Army
Award ID:
87192
Program Year/Program:
2008 / SBIR
Agency Tracking Number:
A082-077-1853
Solicitation Year:
N/A
Solicitation Topic Code:
N/A
Solicitation Number:
N/A
Small Business Information
Sensor Electronic Technology, Inc.
1195 Atlas Road Columbia, SC -
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
 
Phase 1
Fiscal Year: 2008
Title: High Power AlInGaN-Based Deep Ultraviolet Light Emitting Diodes
Agency / Branch: DOD / ARMY
Contract: W911NF-09-C-0011
Award Amount: $69,767.00
 

Abstract:

Two complementary approaches to develop next generation of large area, high-efficiency and high-power deep ultraviolet light emitting diodes (DUV LED) are being proposed. Firstly, due to the lack of adequate quality native substrates, DUV LEDs are made from heteroepitaxial AlGaN films grown on foreign substrates and thus suffer from high-density of crystal defects. Large concentration of defects reduces deep UV LEDs' efficiency, reliability and lifetime. Furthermore, poor conductivity of n-AlGaN causes current crowding problem for conventional square geometry LED design, which limits the device output power. We propose to develop large area, single-chip monolithic array DUV LEDs fabricated using low defect density AlGaN templates deposited over patterned sapphire substrates. Secondly, to enhance the external efficiency and power handling capability of DUV LEDs, we propose to develop vertical geometry devices using laser-assisted removal of sapphire substrate and fabrication of 2D photonic crystal using anodized Al technology.

Principal Investigator:

Jinwei Yang
Chief Scientist
8036479757
jinwei@s-et.com

Business Contact:

Remis Gaska
President and CEO
8036479757
gaska@s-et.com
Small Business Information at Submission:

SENSOR ELECTRONIC TECHNOLOGY, INC.
1195 Atlas Road Columbia, SC 29209

EIN/Tax ID: 141812556
DUNS: N/A
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No