The Solid State Lighting & Energy Electronics Center (SSLEEC) at UC Santa Barbara is a collaborative center, which partners key industry leaders and UCSB researchers to advance solid-state lighting and energy efficient power switching using wide-bandgap semiconductors.  

Featured article on UCSB's magazine, Convergence

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UV Light Emitters Development


UVA, UVB and UVC light emitters: LEDs and lasers

Advanced UV device design for high power and efficiency

Novel epitaxial process for AlGaN alloys

Design of UV-transparent current spreading layer and tunnel junction contacts

Deep UV for safer disinfection

Disinfection and sterilization for COVID-19


UVC-LED details 

To support the UVC-LED research

Micro-LED Development


State-of-the-art MOCVD growths for long-wavelength III-nitride LEDs

Revolutionary fabrication processes to mitigate size effect

Cascade LED epitaxial structure for monolithic integration

Novel epitaxial design for strain relaxation

Low-voltage tunnel junction by MOCVD


High Efficiency, High Power LEDs for Lighting 



Advanced packaging for light extraction

Strain relaxation for more indium incorporation

V-defect structure for high efficiency

Understanding efficiency loss mechanisms with electron-emission spectroscopy (EES)

Lasers for Lighting and Communication


Green Laser

Violet, blue, and green high power laser diodes for quantum computing

DFB laser design with surface gratings

Narrow linewidth with DFB lasers

Heterogeneous integration for photonic integration circuits

Novel laser device design for better efficiency


Vertical Cavity Surface Emitting Lasers (VCSELS)


VCSEL with Penny

3D light source

Fully polarized array

Achieve n-side mirror with high difference in refractive indices

High power device design


GaN Electronics


High breakdown voltage

RF electronics

Power switching


Orange microLEDs

Questions regarding UC Santa Barbara's newly-available LED lighting technology


Questions regarding UC Santa Barbara's patented filament LED lighting technology


FAQ regarding UV sanitation: IES CR-2-20-V1, Germicidal Ultraviolet (GUV) – Frequently Asked Questions


To support UVC-LED research at UCSB, click:


To support PROFESSOR SHUJI NAKAMURA'S research at UCSB (write unrestricted research support of SSLEEC in comments), click: