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
Projection-type video-image display apparatus
Aware manufacturing of integrated circuits
Antisense modulation of C-reactive protein expression
Resist composition and method for producing resist pattern
Method and apparatus for reducing power consumption used in communication system having time slots
DL control channel structure enhancement
Data-conditioned encryption method
  Randomly Featured Patents
Method for the creation of a pole wheel/wheel hub connection and arrangement thereof
Optocoupler having folded lead frame construction
Integrated motor and resolver including absolute position capability
Demand-relay-reporting electronic wattmeter without a current transformer sensor
Mobile based learning and testing system for automated test assignment, automated class registration and customized material delivery
Stack type package
Hydroxy functional urethane polyester with polymerized lactones
Low current ground fault relay
Bi-metal operator for smoke, fire and air control damper
Baseball equipment storage and organizing device