Resources Contact Us Home
Backlighting device

Image Number 4 for United States Patent #7744230.

The present invention relates to illumination of an instrument for displaying information suitable for use in a vehicle. The invention provides an illumination device for an instrument of a vehicle comprising: a substantially Y shaped light guide having a first leg portion a second leg portion and a third leg portion coupled at a junction; an LED coupled to one end of the first portion of the light guide; and in which the second portion and the third portion have an internal peripheral portion and an external peripheral portion, and the second leg portion and the third leg portion are arranged in operation to illuminate a segment of an instrument and each of the second leg portion and third leg portion have first grooves formed along the internal peripheral portion, and second grooves formed along the second peripheral portion. An instrument comprising such an illumination device is also provided.

  Recently Added Patents
Compositions and methods for lowering triglycerides in a subject on concomitant statin therapy
Method of transmitting and receiving wireless resource information
Method for forming ventilation holes in an electrode plate
Systems and methods for updating a data store using a transaction store
Focus adjustment unit and optical scanning microscope
Method for forming pattern
Analogue-to-digital converter
  Randomly Featured Patents
Devices, tools and methods for performing minimally invasive abdominal surgical procedures
Traction distributing devices for motor vehicles
Dynamic adaptation to congestion in connection-oriented networks
Media cartridge with multi-distance antennas and cartridge export prevention and tracking mechanisms
Exception recovery in a data processing system
Combination bookmark display device
Controlling integration times of pixel sensors
DSP system for capturing data at a fixed rate
Read-only-memory process with self-aligned coding
Pulse generating circuit and pulse width modulator