Resources Contact Us Home
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
Cantilever of scanning probe microscope and method for manufacturing the same, method for inspecting thermal assist type magnetic head device and its apparatus
Wire guide
Method and system for parallelizing data copy in a distributed file system
Washing machine
Catecholic butanes and use thereof for cancer therapy
Integrated projector system
Input system including position-detecting device
  Randomly Featured Patents
Wrecking tool II
Rubber-modified styrene-based resin and light diffusion plate containing such resin
Foldable cover for a truck bed
Progress bar for recorded video
Data processor
Video display apparatus
Drop tube assembly
Information recording and reproducing method
Elastomeric connector having a plurality of fine pitched contacts, a method for connecting components using the same and a method for manufacturing such a connector
Gardening implement