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
LED string with a capability to maintain a current path and LED unit thereof
Stable aqueous composite compositions
Change management automation tool
Fibrous laminate interface for security coatings
Personal warming apparatus
Methods for processing 2Nx2N block with N being positive integer greater than four under intra-prediction mode and related processing circuits thereof
Liquid crystal display and manufacturing method thereof
  Randomly Featured Patents
Fluid alternator sleeve
Recycling of waste sulfuric acid
Methods of determining the level of human TBP-II with anti-TBP-II antibody
Method of cleaning toner resin from a printing device
Encapsulated toner for heat-and-pressure fixing and method for production thereof
Variable rotary engine
Composite armor
Plasma display panel and fabrication method of the same
Counterbalance mechanism for a removable tailgate
Method and system for providing formatted information via a two-way communications system