Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
LED unit










Image Number 4 for United States Patent #8120048.

An LED unit includes an LED and a lens mounted on the LED. The lens includes a light-incident face adjacent to the LED, a light-emergent face remote from the LED, and a light-reflecting face between the light-incident face and the light-emergent face. The light-incident face includes a first light-incident face facing the LED, and the light-emergent face includes a first light-emergent face located opposite to the first light-incident face. The first light-incident face is a continuously curved face which has a curvature, along a bottom-to-top direction of the lens, firstly decreasing gradually to a first value; then increasing gradually to a second value; then decreasing gradually again to a third value; and then increasing gradually again. The light-emergent face has a first light-emergent face located above the first light-incident face and having a varied curvature.








 
 
  Recently Added Patents
Maize hybrid X08B748
Monitoring agent programs in a distributed computing platform
Digital microwave radio link with adaptive data rate
Oscillation circuit
Flash drive
Packaging for socks
Transistor and display device
  Randomly Featured Patents
Retrofittable trim system for fuel-air optimization in cannular gas turbine combustors
Radial adjustment mechanism for blade tip clearance control apparatus
Display device and driving method
Garden sprinkler
Vaso-active medicament to treat impotence
Pocket size stylus flashlight
3-dimensional musical keyboard
Method and apparatus for manufacturing image displaying apparatus
Subterranean heating and cooling system
Device for pivotably connecting parts of an orthopaedic device