Multiple colors are realized with a single epitaxial growth using 
the technology of sequentially growing RGB epitaxial layers.
[Video] Vertical type Monolithic multi-color LED Epi wafer 
This sample sequentially emitted.
 
			[Fig.] Monolithic RGB epi wafer shows multiple wavelength at 200 mA
 
				[Fig.] Epi design for micro-LED device
 
				[Fig.] Epi design for quick check
[Video] Vertical type Monolithic multi-color 
 LED Epi wafer shows white
[Video] Vertical type Monolithic multi-color 
 LED Epi wafer shows wavelength
Basically, this technique is applicable to all substrates (Sapphire, Si, SiC and GaN). 
Our epitaxial technology can implement RGB color with a single LED chip.