Key Technologies of Chip Core

Based on high-energy efficiency ultraviolet radiation LED Innovative breakthroughs in chip photon control technology, Realize UV LED The chip's light output efficiency has been doubled or more, Leading peers 50%

Improved luminous efficiency

Breakthrough implementation of ultraviolet technology LED The chip's light output efficiency has been doubled or more

industry-leading

Leading peers 50%, Won first place in multiple national competitions

technological innovation

Pioneering the UV Vis Microstructure of Moth Eyes LED Chip and Total Space Reflection Technology

Innovative High Energy Efficiency UV LED Chip photon control technology

Interface light regulation and total spatial reflection structure through moth eye microstructure, Significantly increased TE/TM Light extraction efficiency of the pattern

Interface moth eye microstructure morphology

Using an electron microscope (SEM) Observation of the microstructure of moth eyes, Semi spherical microstructures with regular surface coverage arrangement, uniform distribution, The scale is 3μm.

Comparison of Optical Transmission Characteristics
Planar structure: Small angle high transmission, 30°After a sharp decline
Moth eye structure: Wide angle high transmission, 90°There is still significant transmission

Transverse electricity TE Mode light output enhancement

Moth eye microstructure surface compared to planar surface, Significantly improved light extraction efficiency, Reduced total internal reflection, Enable more photons to successfully escape.

Chip structure hierarchy
Sapphire AlN
n-AlGaN MQWs
EBL p-AlGaN

Technological achievements and intellectual property rights

Innovative achievements based on chip technology have received multiple national level recognitions and high recognition from industry experts

core patent

New type of deep ultraviolet light-emitting diode chip and its preparation method
Patent Number: ZL201811375706. 0
whole-space ODR Deep ultraviolet high-efficiency diode chip and its manufacturing process
Patent Number: ZL201910693448. 9

Representative Paper

ACS Photonics
2018, 5. 9: 3534-3540
Optics Express
2019, 27. 20: 1601-1614

Award Achievements

Ministry of Industry and Information Technology 2023 Maker China National Optoelectronic Professional Competition
first place
Ministry of Science and Technology 2023"mass entrepreneurship and innovation"Competition Hubei Division
first place

Summary of Technical Advantages

Pioneering the UV Vis Microstructure of Moth Eyes LED chip technology
Breakthrough in Total Space Reflection Technology
Significantly increased TE/TM Pattern light extraction efficiency
Effectively solving the problem of low light extraction efficiency in the active region of quantum wells
More than double the luminous efficiency
Leading peers 50%