Resources Contact Us Home
Planar light source and planar lighting apparatus

Image Number 3 for United States Patent #7422347.

A planar light source comprises at least one point light source disposed on a supporting substrate, and a cylindrical lens that covers the light emitting observation side of the point light source, wherein the cylindrical lens has a concave lens function in the direction (y direction) perpendicular to the supporting substrate, and has a convex lens function in at least part of the horizontal direction (x direction).

  Recently Added Patents
Navigation system and navigation apparatus
System and method to assess serviceability of device
Image forming apparatus, control method of image forming apparatus, and storage medium
Charge domain filter and method thereof
Silicas and alkali metal salt compositions, detergents formed from such compositions and method of forming such compositions and detergents
Contact detection between a disk and magnetic head
  Randomly Featured Patents
Method for forming a through silicon via layout
Engine drive train having a front gear train with improved torsional dynamics
Component having a mechanical contact and method for producing the component
Method and apparatus for generating propulsive forces without the ejection of propellant
Semiconductor device fabrication method
Tool of a breaking apparatus
Backlight module
Shifting apparatus for a bicycle
Semiconductor device using complementary clock and signal input state detection circuit used for the same
Method and system for managing weakly mutable data in a distributed storage system