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
Vehicle running control system
Soft co-processors to provide a software service function off-load architecture in a multi-core processing environment
Fast port switching in an audiovisual receiver by use of port pre-authentication by a partial PHY decoder core
Charge pump and method of biasing deep N-well in charge pump
Resist composition and method for producing resist pattern
Methods, systems and computer program products for importing data from an edge router to a network management system
Signal judgment method, signal judgment apparatus, program, and signal judgment system
  Randomly Featured Patents
Method and apparatus for monitoring and transferring a client from a low priority access number to a higher priority access number during active internet and other WAN connection-sessions
Enteric coating for pharmaceutical dosage forms
Method and system for defining relationships among labels
Method for generating an internet protocol suite checksum in a single macro instruction
Monitoring device for an electric power system
Nectarine tree named `Grand Candy`
Packaging system with in-tandem applicator pads for topical drug delivery
Method for producing detergent particles having high bulk density
Method of producing a water-in-oil emulsion explosive
Apparatus for spraying trickler plates with cooling water