Resources Contact Us Home
High brightness illumination device with incoherent solid state light source

Image Number 3 for United States Patent #7740375.

An illumination light source includes an incoherent solid state light source adapted to emit light over at least one light emission surface and having a total light emission surface area S.sub.0; a light circulation device including at least one light receiving surface adapted to receive the light from the incoherent solid state light source, and a light extraction area having a first surface area S.sub.1; and a light extraction device for extracting the light from the light circulation device at the light extraction area, wherein S.sub.1<S.sub.0. Accordingly, the apparent brightness of the light is increased by distributing it over a smaller area.

  Recently Added Patents
3D IC method and device
Method and system for security authentication of radio frequency identification
Lubricant composition
Liquid crystal display device
Organic light emitting diode light source device
Image processing apparatus, image processing method, and program
Digital fine delay processing
  Randomly Featured Patents
Ring laser having an output at a single frequency
Apparatus and method for treating ventricular tachyarrhythmias
Method, apparatus, and computer readable medium to reproduce a 2-channel virtual sound based on a listener position
Combined tumbler and toothbrush holder
Device for testing ferromagnetic materials
Telephone office equipment utilization monitor
Method of winding film on a spool and loading the spool with the film into a magazine, and a system for carrying out the method
Program execution processing terminal device, program execution processing method, and program
Dilution vessel
Image forming device