Are your LEDs 4-terminal or 6-terminal? If they are 6-terminal (i.e. not common anode or common cathode), you can connect several in series. This lets you use a higher voltage, lower current supply, which makes the design easier.
Are your LEDs 4-terminal or 6-terminal? If they are 6-terminal (i.e. not common anode or common cathode), you can connect several in series. This lets you use a higher voltage, lower current supply, which makes the design easier.