A white light generating unit includes an LED structure and a lens structure. The LED structure generates a light. The lens structure has a convex lens or a concave lens. The lens structure has a fluorescent member that receives the light from the LED structure to emit a white light.

 
Web www.patentalert.com

< Method and system of LED light extraction using optical elements

> Surface light-source device and display unit using the same
~ 00428