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
Switching device, switch control method, and storage system
Capacity and coverage self-optimization method and device in a mobile network
Complete context search system
Semiconductor device
Tunnel magnetoresistance read head with narrow shield-to-shield spacing
Method and apparatus of motion vector prediction with extended motion vector predictor
Analog to digital converter with increased sub-range resolution
  Randomly Featured Patents
Adaptive digital spectral compensation and calibration of analog components and transceiver chains
Sheet conveying apparatus and image forming apparatus
Pipe coupling
Dual-chamber type oil pan and engine equipped with same
Reference standard and method for calibration
System to increase the tension capacity of pipe piles driven into the ocean floor
Electro-optic device
Buffing pad backing plate
Turbocharger compressor housing
System for selectively increasing fuel pressure in a fuel injection system