Coupling device

  • US 20080159693A1
  • Filed: 11/28/2007
  • Published: 07/03/2008
  • Est. Priority Date: 12/28/2006
  • Status: Abandoned Application
First Claim
Patent Images

1. A coupling device, comprising:

  • a reflective cavity, having an opening, and including a top surface, a bottom surface, a first side surface, a second side surface, and an end surface opposite to the opening;

    at least one light source, disposed at a position of the end surface; and

    a light guide plate, having a side surface connected with the opening, and a thickness smaller than that of the light source.

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